diff options
48 files changed, 1363 insertions, 2071 deletions
diff --git a/Install/ThirdPartyLicenses/LibEvent-LICENSE.txt b/Install/ThirdPartyLicenses/LibEvent-LICENSE.txt new file mode 100644 index 000000000..402ca5089 --- /dev/null +++ b/Install/ThirdPartyLicenses/LibEvent-LICENSE.txt @@ -0,0 +1,99 @@ +Libevent is available for use under the following license, commonly known +as the 3-clause (or "modified") BSD license: + +============================== +Copyright (c) 2000-2007 Niels Provos <provos@citi.umich.edu> +Copyright (c) 2007-2012 Niels Provos and Nick Mathewson + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions +are met: +1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. +2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. +3. The name of the author may not be used to endorse or promote products + derived from this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR +IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES +OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. +IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, +INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT +NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF +THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +============================== + +Portions of Libevent are based on works by others, also made available by +them under the three-clause BSD license above. The copyright notices are +available in the corresponding source files; the license is as above. Here's +a list: + +log.c: + Copyright (c) 2000 Dug Song <dugsong@monkey.org> + Copyright (c) 1993 The Regents of the University of California. + +strlcpy.c: + Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com> + +win32select.c: + Copyright (c) 2003 Michael A. Davis <mike@datanerds.net> + +evport.c: + Copyright (c) 2007 Sun Microsystems + +ht-internal.h: + Copyright (c) 2002 Christopher Clark + +minheap-internal.h: + Copyright (c) 2006 Maxim Yegorushkin <maxim.yegorushkin@gmail.com> + +============================== + +The arc4module is available under the following, sometimes called the +"OpenBSD" license: + + Copyright (c) 1996, David Mazieres <dm@uun.org> + Copyright (c) 2008, Damien Miller <djm@openbsd.org> + + Permission to use, copy, modify, and distribute this software for any + purpose with or without fee is hereby granted, provided that the above + copyright notice and this permission notice appear in all copies. + + THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +============================== + +The Windows timer code is based on code from libutp, which is +distributed under this license, sometimes called the "MIT" license. + + +Copyright (c) 2010 BitTorrent, Inc. + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. diff --git a/MCServer/webadmin/GenerateSelfSignedHTTPSCertUsingOpenssl.cmd b/MCServer/webadmin/GenerateSelfSignedHTTPSCertUsingOpenssl.cmd index 3ea6963b4..7022ef12a 100644 --- a/MCServer/webadmin/GenerateSelfSignedHTTPSCertUsingOpenssl.cmd +++ b/MCServer/webadmin/GenerateSelfSignedHTTPSCertUsingOpenssl.cmd @@ -1,3 +1,4 @@ +@echo off echo This script generates the certificate and private key for the https webadmin echo Note that the generated certificate is self-signed, and therefore not trusted by browsers echo Note that this script requires openssl to be installed and in PATH diff --git a/Tools/RCONClient/Globals.h b/Tools/RCONClient/Globals.h index a3a2f2846..dc7669270 100644 --- a/Tools/RCONClient/Globals.h +++ b/Tools/RCONClient/Globals.h @@ -22,6 +22,18 @@ #define ALIGN_8 #define ALIGN_16 + #define FORMATSTRING(formatIndex, va_argsIndex) + + // MSVC has its own custom version of zu format + #define SIZE_T_FMT "%Iu" + #define SIZE_T_FMT_PRECISION(x) "%" #x "Iu" + #define SIZE_T_FMT_HEX "%Ix" + + #define NORETURN __declspec(noreturn) + + // Use non-standard defines in <cmath> + #define _USE_MATH_DEFINES + #elif defined(__GNUC__) // TODO: Can GCC explicitly mark classes as abstract (no instances can be created)? @@ -38,6 +50,29 @@ // Some portability macros :) #define stricmp strcasecmp + #define FORMATSTRING(formatIndex, va_argsIndex) __attribute__((format (printf, formatIndex, va_argsIndex))) + + #if defined(_WIN32) + // We're compiling on MinGW, which uses an old MSVCRT library that has no support for size_t printfing. + // We need direct size formats: + #if defined(_WIN64) + #define SIZE_T_FMT "%I64u" + #define SIZE_T_FMT_PRECISION(x) "%" #x "I64u" + #define SIZE_T_FMT_HEX "%I64x" + #else + #define SIZE_T_FMT "%u" + #define SIZE_T_FMT_PRECISION(x) "%" #x "u" + #define SIZE_T_FMT_HEX "%x" + #endif + #else + // We're compiling on Linux, so we can use libc's size_t printf format: + #define SIZE_T_FMT "%zu" + #define SIZE_T_FMT_PRECISION(x) "%" #x "zu" + #define SIZE_T_FMT_HEX "%zx" + #endif + + #define NORETURN __attribute((__noreturn__)) + #else #error "You are using an unsupported compiler, you might need to #define some stuff here for your compiler" @@ -74,6 +109,8 @@ typedef unsigned long long UInt64; typedef unsigned int UInt32; typedef unsigned short UInt16; +typedef unsigned char Byte; + @@ -94,7 +131,7 @@ typedef unsigned short UInt16; #ifdef _WIN32 #define WIN32_LEAN_AND_MEAN - #define _WIN32_WINNT 0x501 // We want to target WinXP and higher + #define _WIN32_WINNT 0x502 // We want to target WinXP SP2 and higher #include <Windows.h> #include <winsock2.h> @@ -175,7 +212,8 @@ typedef unsigned short UInt16; #include "StringUtils.h" #include "OSSupport/CriticalSection.h" #include "OSSupport/File.h" -#include "MCLogger.h" +#include "OSSupport/Event.h" +#include "Logger.h" diff --git a/Tools/RCONClient/RCONClient.cpp b/Tools/RCONClient/RCONClient.cpp index 288363a66..7d6cf6d8f 100644 --- a/Tools/RCONClient/RCONClient.cpp +++ b/Tools/RCONClient/RCONClient.cpp @@ -80,14 +80,14 @@ bool cRCONPacketizer::SendPacket(int a_PacketType, const AString & a_PacketPaylo size_t Length = Packet.size(); if (!m_Socket.Send((const char *)&Length, 4)) { - fprintf(stderr, "Network error while sending packet: %d (%s). Aborting.", + fprintf(stderr, "Network error while sending packet: %d (%s). Aborting.\n", cSocket::GetLastError(), cSocket::GetLastErrorString().c_str() ); return false; } if (!m_Socket.Send(Packet.data(), Packet.size())) { - fprintf(stderr, "Network error while sending packet: %d (%s). Aborting.", + fprintf(stderr, "Network error while sending packet: %d (%s). Aborting.\n", cSocket::GetLastError(), cSocket::GetLastErrorString().c_str() ); return false; @@ -110,12 +110,12 @@ bool cRCONPacketizer::ReceiveResponse(void) int NumReceived = m_Socket.Receive(buf, sizeof(buf), 0); if (NumReceived == 0) { - fprintf(stderr, "The remote end closed the connection. Aborting."); + fprintf(stderr, "The remote end closed the connection. Aborting.\n"); return false; } if (NumReceived < 0) { - fprintf(stderr, "Network error while receiving response: %d, %d (%s). Aborting.", + fprintf(stderr, "Network error while receiving response: %d, %d (%s). Aborting.\n", NumReceived, cSocket::GetLastError(), cSocket::GetLastErrorString().c_str() ); return false; @@ -156,13 +156,13 @@ bool cRCONPacketizer::ParsePacket(cByteBuffer & a_Buffer, int a_PacketLength) { if ((RequestID == -1) && (m_RequestID == 0)) { - fprintf(stderr, "Login failed. Aborting."); + fprintf(stderr, "Login failed. Aborting.\n"); IsValid = false; // Continue, so that the payload is printed before the program aborts. } else { - fprintf(stderr, "The server returned an invalid request ID, got %d, exp. %d. Aborting.", RequestID, m_RequestID); + fprintf(stderr, "The server returned an invalid request ID, got %d, exp. %d. Aborting.\n", RequestID, m_RequestID); return false; } } @@ -172,7 +172,7 @@ bool cRCONPacketizer::ParsePacket(cByteBuffer & a_Buffer, int a_PacketLength) VERIFY(a_Buffer.ReadLEInt(PacketType)); if (PacketType != ptCommand) { - fprintf(stderr, "The server returned an unknown packet type: %d. Aborting.", PacketType); + fprintf(stderr, "The server returned an unknown packet type: %d. Aborting.\n", PacketType); IsValid = false; // Continue, so that the payload is printed before the program aborts. } @@ -200,8 +200,8 @@ bool cRCONPacketizer::ParsePacket(cByteBuffer & a_Buffer, int a_PacketLength) int RealMain(int argc, char * argv[]) { - new cMCLogger; // Create a new logger - + cLogger::InitiateMultithreading(); + // Parse the cmdline params for server IP, port, password and the commands to send: AString ServerAddress, Password; int ServerPort = -1; @@ -301,6 +301,7 @@ int RealMain(int argc, char * argv[]) } } + // Send each command: for (AStringVector::const_iterator itr = Commands.begin(), end = Commands.end(); itr != end; ++itr) { if (g_IsVerbose) diff --git a/Tools/RCONClient/RCONClient.sln b/Tools/RCONClient/RCONClient.sln index 0a8596e43..5c977fc81 100644 --- a/Tools/RCONClient/RCONClient.sln +++ b/Tools/RCONClient/RCONClient.sln @@ -1,7 +1,9 @@ -Microsoft Visual Studio Solution File, Format Version 10.00 -# Visual C++ Express 2008 -Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "RCONClient", "RCONClient.vcproj", "{1A48B032-07D0-4DDD-8362-66C0FC7F7849}" +Microsoft Visual Studio Solution File, Format Version 12.00 +# Visual Studio Express 2013 for Windows Desktop +VisualStudioVersion = 12.0.31101.0 +MinimumVisualStudioVersion = 10.0.40219.1 +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "RCONClient", "RCONClient.vcxproj", "{1A48B032-07D0-4DDD-8362-66C0FC7F7849}" EndProject Global GlobalSection(SolutionConfigurationPlatforms) = preSolution diff --git a/src/ClientHandle.cpp b/src/ClientHandle.cpp index 387cc4628..c774a92c2 100644 --- a/src/ClientHandle.cpp +++ b/src/ClientHandle.cpp @@ -15,7 +15,6 @@ #include "Item.h" #include "Mobs/Monster.h" #include "ChatColor.h" -#include "OSSupport/Socket.h" #include "Items/ItemHandler.h" #include "Blocks/BlockHandler.h" #include "Blocks/BlockSlab.h" @@ -56,16 +55,15 @@ int cClientHandle::s_ClientCount = 0; //////////////////////////////////////////////////////////////////////////////// // cClientHandle: -cClientHandle::cClientHandle(const cSocket * a_Socket, int a_ViewDistance) : +cClientHandle::cClientHandle(const AString & a_IPString, int a_ViewDistance) : m_CurrentViewDistance(a_ViewDistance), m_RequestedViewDistance(a_ViewDistance), - m_IPString(a_Socket->GetIPString()), - m_OutgoingData(64 KiB), + m_IPString(a_IPString), m_Player(nullptr), m_HasSentDC(false), m_LastStreamedChunkX(0x7fffffff), // bogus chunk coords to force streaming upon login m_LastStreamedChunkZ(0x7fffffff), - m_TimeSinceLastPacket(0), + m_TicksSinceLastPacket(0), m_Ping(1000), m_PingID(1), m_BlockDigAnimStage(-1), @@ -135,9 +133,6 @@ cClientHandle::~cClientHandle() SendDisconnect("Server shut down? Kthnxbai"); } - // Close the socket as soon as it sends all outgoing data: - cRoot::Get()->GetServer()->RemoveClient(this); - delete m_Protocol; m_Protocol = nullptr; @@ -151,6 +146,10 @@ cClientHandle::~cClientHandle() void cClientHandle::Destroy(void) { { + cCSLock Lock(m_CSOutgoingData); + m_Link.reset(); + } + { cCSLock Lock(m_CSDestroyingState); if (m_State >= csDestroying) { @@ -168,6 +167,10 @@ void cClientHandle::Destroy(void) RemoveFromAllChunks(); m_Player->GetWorld()->RemoveClientFromChunkSender(this); } + if (m_Player != nullptr) + { + m_Player->RemoveClientHandle(); + } m_State = csDestroyed; } @@ -326,7 +329,8 @@ void cClientHandle::Authenticate(const AString & a_Name, const AString & a_UUID, m_Protocol->SendLoginSuccess(); // Spawn player (only serversided, so data is loaded) - m_Player = new cPlayer(this, GetUsername()); + m_Player = new cPlayer(m_Self, GetUsername()); + m_Self.reset(); cWorld * World = cRoot::Get()->GetWorld(m_Player->GetLoadedWorldName()); if (World == nullptr) @@ -689,6 +693,47 @@ void cClientHandle::HandleCreativeInventory(short a_SlotNum, const cItem & a_Hel +void cClientHandle::HandleEnchantItem(Byte a_WindowID, Byte a_Enchantment) +{ + if (a_Enchantment > 2) + { + LOGWARNING("%s attempt to crash the server with invalid enchanting selection!", GetUsername().c_str()); + Kick("Invalid enchanting!"); + return; + } + + if ( + (m_Player->GetWindow() == nullptr) || + (m_Player->GetWindow()->GetWindowID() != a_WindowID) || + (m_Player->GetWindow()->GetWindowType() != cWindow::wtEnchantment) + ) + { + return; + } + + cEnchantingWindow * Window = reinterpret_cast<cEnchantingWindow *>(m_Player->GetWindow()); + cItem Item = *Window->m_SlotArea->GetSlot(0, *m_Player); // Make a copy of the item + short BaseEnchantmentLevel = Window->GetPropertyValue(a_Enchantment); + + if (Item.EnchantByXPLevels(BaseEnchantmentLevel)) + { + if (m_Player->IsGameModeCreative() || m_Player->DeltaExperience(-m_Player->XpForLevel(BaseEnchantmentLevel)) >= 0) + { + Window->m_SlotArea->SetSlot(0, *m_Player, Item); + Window->SendSlot(*m_Player, Window->m_SlotArea, 0); + Window->BroadcastWholeWindow(); + + Window->SetProperty(0, 0, *m_Player); + Window->SetProperty(1, 0, *m_Player); + Window->SetProperty(2, 0, *m_Player); + } + } +} + + + + + void cClientHandle::HandlePlayerAbilities(bool a_CanFly, bool a_IsFlying, float FlyingSpeed, float WalkingSpeed) { UNUSED(FlyingSpeed); // Ignore the client values for these @@ -1777,44 +1822,9 @@ void cClientHandle::SendData(const char * a_Data, size_t a_Size) // This could crash the client, because they've already unloaded the world etc., and suddenly a wild packet appears (#31) return; } - - { - cCSLock Lock(m_CSOutgoingData); - - // _X 2012_09_06: We need an overflow buffer, usually when streaming the initial chunks - if (m_OutgoingDataOverflow.empty()) - { - // No queued overflow data; if this packet fits into the ringbuffer, put it in, otherwise put it in the overflow buffer: - size_t CanFit = m_OutgoingData.GetFreeSpace(); - if (CanFit > a_Size) - { - CanFit = a_Size; - } - if (CanFit > 0) - { - m_OutgoingData.Write(a_Data, CanFit); - } - if (a_Size > CanFit) - { - m_OutgoingDataOverflow.append(a_Data + CanFit, a_Size - CanFit); - } - } - else - { - // There is a queued overflow. Append to it, then send as much from its front as possible - m_OutgoingDataOverflow.append(a_Data, a_Size); - size_t CanFit = m_OutgoingData.GetFreeSpace(); - if (CanFit > 128) - { - // No point in moving the data over if it's not large enough - too much effort for too little an effect - m_OutgoingData.Write(m_OutgoingDataOverflow.data(), CanFit); - m_OutgoingDataOverflow.erase(0, CanFit); - } - } - } // Lock(m_CSOutgoingData) - - // Notify SocketThreads that we have something to write: - cRoot::Get()->GetServer()->NotifyClientWrite(this); + + cCSLock Lock(m_CSOutgoingData); + m_OutgoingData.append(a_Data, a_Size); } @@ -1871,10 +1881,24 @@ void cClientHandle::Tick(float a_Dt) cCSLock Lock(m_CSIncomingData); std::swap(IncomingData, m_IncomingData); } - m_Protocol->DataReceived(IncomingData.data(), IncomingData.size()); + if (!IncomingData.empty()) + { + m_Protocol->DataReceived(IncomingData.data(), IncomingData.size()); + } + + // Send any queued outgoing data: + AString OutgoingData; + { + cCSLock Lock(m_CSOutgoingData); + std::swap(OutgoingData, m_OutgoingData); + } + if ((m_Link != nullptr) && !OutgoingData.empty()) + { + m_Link->Send(OutgoingData.data(), OutgoingData.size()); + } - m_TimeSinceLastPacket += a_Dt; - if (m_TimeSinceLastPacket > 30000.f) // 30 seconds time-out + m_TicksSinceLastPacket += 1; + if (m_TicksSinceLastPacket > 600) // 30 seconds time-out { SendDisconnect("Nooooo!! You timed out! D: Come back!"); Destroy(); @@ -1955,7 +1979,21 @@ void cClientHandle::ServerTick(float a_Dt) cCSLock Lock(m_CSIncomingData); std::swap(IncomingData, m_IncomingData); } - m_Protocol->DataReceived(IncomingData.data(), IncomingData.size()); + if (!IncomingData.empty()) + { + m_Protocol->DataReceived(IncomingData.data(), IncomingData.size()); + } + + // Send any queued outgoing data: + AString OutgoingData; + { + cCSLock Lock(m_CSOutgoingData); + std::swap(OutgoingData, m_OutgoingData); + } + if ((m_Link != nullptr) && !OutgoingData.empty()) + { + m_Link->Send(OutgoingData.data(), OutgoingData.size()); + } if (m_State == csAuthenticated) { @@ -1970,8 +2008,8 @@ void cClientHandle::ServerTick(float a_Dt) return; } - m_TimeSinceLastPacket += a_Dt; - if (m_TimeSinceLastPacket > 30000.f) // 30 seconds time-out + m_TicksSinceLastPacket += 1; + if (m_TicksSinceLastPacket > 600) // 30 seconds { SendDisconnect("Nooooo!! You timed out! D: Come back!"); Destroy(); @@ -2843,94 +2881,79 @@ void cClientHandle::PacketError(UInt32 a_PacketType) -bool cClientHandle::DataReceived(const char * a_Data, size_t a_Size) +void cClientHandle::SocketClosed(void) { - // Data is received from the client, store it in the buffer to be processed by the Tick thread: - m_TimeSinceLastPacket = 0; - cCSLock Lock(m_CSIncomingData); - m_IncomingData.append(a_Data, a_Size); - return false; + // The socket has been closed for any reason + + if (!m_Username.empty()) // Ignore client pings + { + LOGD("Client %s @ %s disconnected", m_Username.c_str(), m_IPString.c_str()); + cRoot::Get()->GetPluginManager()->CallHookDisconnect(*this, "Player disconnected"); + } + + Destroy(); } -void cClientHandle::GetOutgoingData(AString & a_Data) +void cClientHandle::SetSelf(cClientHandlePtr a_Self) { - // Data can be sent to client - { - cCSLock Lock(m_CSOutgoingData); - m_OutgoingData.ReadAll(a_Data); - m_OutgoingData.CommitRead(); - a_Data.append(m_OutgoingDataOverflow); - m_OutgoingDataOverflow.clear(); - } - - // Disconnect player after all packets have been sent - if (m_HasSentDC && a_Data.empty()) - { - Destroy(); - } + ASSERT(m_Self == nullptr); + m_Self = a_Self; } -void cClientHandle::SocketClosed(void) +void cClientHandle::OnLinkCreated(cTCPLinkPtr a_Link) { - // The socket has been closed for any reason - - LOGD("Player %s @ %s disconnected", m_Username.c_str(), m_IPString.c_str()); + m_Link = a_Link; +} - if (!m_Username.empty()) // Ignore client pings - { - cRoot::Get()->GetPluginManager()->CallHookDisconnect(*this, "Player disconnected"); - } - Destroy(); + + + +void cClientHandle::OnReceivedData(const char * a_Data, size_t a_Length) +{ + // Reset the timeout: + m_TicksSinceLastPacket = 0; + + // Queue the incoming data to be processed in the tick thread: + cCSLock Lock(m_CSIncomingData); + m_IncomingData.append(a_Data, a_Length); } -void cClientHandle::HandleEnchantItem(Byte & a_WindowID, Byte & a_Enchantment) +void cClientHandle::OnRemoteClosed(void) { - if (a_Enchantment > 2) { - LOGWARNING("%s attempt to crash the server with invalid enchanting selection!", GetUsername().c_str()); - Kick("Invalid enchanting!"); - return; + cCSLock Lock(m_CSOutgoingData); + m_Link.reset(); } + SocketClosed(); +} - if ( - (m_Player->GetWindow() == nullptr) || - (m_Player->GetWindow()->GetWindowID() != a_WindowID) || - (m_Player->GetWindow()->GetWindowType() != cWindow::wtEnchantment) - ) - { - return; - } - - cEnchantingWindow * Window = (cEnchantingWindow*) m_Player->GetWindow(); - cItem Item = *Window->m_SlotArea->GetSlot(0, *m_Player); - int BaseEnchantmentLevel = Window->GetPropertyValue(a_Enchantment); - if (Item.EnchantByXPLevels(BaseEnchantmentLevel)) - { - if (m_Player->IsGameModeCreative() || m_Player->DeltaExperience(-m_Player->XpForLevel(BaseEnchantmentLevel)) >= 0) - { - Window->m_SlotArea->SetSlot(0, *m_Player, Item); - Window->SendSlot(*m_Player, Window->m_SlotArea, 0); - Window->BroadcastWholeWindow(); - Window->SetProperty(0, 0, *m_Player); - Window->SetProperty(1, 0, *m_Player); - Window->SetProperty(2, 0, *m_Player); - } + + +void cClientHandle::OnError(int a_ErrorCode, const AString & a_ErrorMsg) +{ + LOGD("An error has occurred on client link for %s @ %s: %d (%s). Client disconnected.", + m_Username.c_str(), m_IPString.c_str(), a_ErrorCode, a_ErrorMsg.c_str() + ); + { + cCSLock Lock(m_CSOutgoingData); + m_Link.reset(); } + SocketClosed(); } diff --git a/src/ClientHandle.h b/src/ClientHandle.h index 03ae38cfd..8129d6a50 100644 --- a/src/ClientHandle.h +++ b/src/ClientHandle.h @@ -8,12 +8,10 @@ #pragma once -#ifndef CCLIENTHANDLE_H_INCLUDED -#define CCLIENTHANDLE_H_INCLUDED +#include "OSSupport/Network.h" #include "Defines.h" #include "Vector3.h" -#include "OSSupport/SocketThreads.h" #include "ChunkDef.h" #include "ByteBuffer.h" #include "Scoreboard.h" @@ -27,6 +25,7 @@ +// fwd: class cChunkDataSerializer; class cInventory; class cMonster; @@ -42,25 +41,29 @@ class cItemHandler; class cWorld; class cCompositeChat; class cStatManager; +class cClientHandle; +typedef SharedPtr<cClientHandle> cClientHandlePtr; -class cClientHandle : // tolua_export - public cSocketThreads::cCallback +class cClientHandle // tolua_export + : public cTCPLink::cCallbacks { // tolua_export -public: - -#if defined(ANDROID_NDK) - static const int DEFAULT_VIEW_DISTANCE = 4; // The default ViewDistance (used when no value is set in Settings.ini) -#else - static const int DEFAULT_VIEW_DISTANCE = 10; -#endif +public: // tolua_export + + #if defined(ANDROID_NDK) + static const int DEFAULT_VIEW_DISTANCE = 4; // The default ViewDistance (used when no value is set in Settings.ini) + #else + static const int DEFAULT_VIEW_DISTANCE = 10; + #endif static const int MAX_VIEW_DISTANCE = 32; static const int MIN_VIEW_DISTANCE = 1; - cClientHandle(const cSocket * a_Socket, int a_ViewDistance); + /** Creates a new client with the specified IP address in its description and the specified initial view distance. */ + cClientHandle(const AString & a_IPString, int a_ViewDistance); + virtual ~cClientHandle(); const AString & GetIPString(void) const { return m_IPString; } // tolua_export @@ -276,6 +279,10 @@ public: void HandleCommandBlockEntityChange(int a_EntityID, const AString & a_NewCommand); void HandleCreativeInventory (short a_SlotNum, const cItem & a_HeldItem); + + /** Called when the player enchants an Item in the Enchanting table UI. */ + void HandleEnchantItem(Byte a_WindowID, Byte a_Enchantment); + void HandleEntityCrouch (int a_EntityID, bool a_IsCrouching); void HandleEntityLeaveBed (int a_EntityID); void HandleEntitySprinting (int a_EntityID, bool a_IsSprinting); @@ -329,9 +336,6 @@ public: Sends an UnloadChunk packet for each loaded chunk and resets the streamed chunks. */ void RemoveFromWorld(void); - /** Called when the player will enchant a Item */ - void HandleEnchantItem(Byte & a_WindowID, Byte & a_Enchantment); - /** Called by the protocol recognizer when the protocol version is known. */ void SetProtocolVersion(UInt32 a_ProtocolVersion) { m_ProtocolVersion = a_ProtocolVersion; } @@ -340,6 +344,9 @@ public: private: + friend class cServer; // Needs access to SetSelf() + + /** The type used for storing the names of registered plugin channels. */ typedef std::set<AString> cChannels; @@ -361,13 +368,20 @@ private: cChunkCoordsList m_SentChunks; // Chunks that are currently sent to the client cProtocol * m_Protocol; - + + /** Protects m_IncomingData against multithreaded access. */ cCriticalSection m_CSIncomingData; - AString m_IncomingData; - + + /** Queue for the incoming data received on the link until it is processed in Tick(). + Protected by m_CSIncomingData. */ + AString m_IncomingData; + + /** Protects m_OutgoingData against multithreaded access. */ cCriticalSection m_CSOutgoingData; - cByteBuffer m_OutgoingData; - AString m_OutgoingDataOverflow; ///< For data that didn't fit into the m_OutgoingData ringbuffer temporarily + + /** Buffer for storing outgoing data from any thread; will get sent in Tick() (to prevent deadlocks). + Protected by m_CSOutgoingData. */ + AString m_OutgoingData; Vector3d m_ConfirmPosition; @@ -379,8 +393,8 @@ private: int m_LastStreamedChunkX; int m_LastStreamedChunkZ; - /** Seconds since the last packet data was received (updated in Tick(), reset in DataReceived()) */ - float m_TimeSinceLastPacket; + /** Number of ticks since the last network packet was received (increased in Tick(), reset in OnReceivedData()) */ + int m_TicksSinceLastPacket; /** Duration of the last completed client ping. */ std::chrono::steady_clock::duration m_Ping; @@ -458,6 +472,13 @@ private: /** The version of the protocol that the client is talking, or 0 if unknown. */ UInt32 m_ProtocolVersion; + /** The link that is used for network communication. + m_CSOutgoingData is used to synchronize access for sending data. */ + cTCPLinkPtr m_Link; + + /** Shared pointer to self, so that this instance can keep itself alive when needed. */ + cClientHandlePtr m_Self; + /** Returns true if the rate block interactions is within a reasonable limit (bot protection) */ bool CheckBlockInteractionsRate(void); @@ -483,16 +504,19 @@ private: /** Removes all of the channels from the list of current plugin channels. Ignores channels that are not found. */ void UnregisterPluginChannels(const AStringVector & a_ChannelList); - // cSocketThreads::cCallback overrides: - virtual bool DataReceived (const char * a_Data, size_t a_Size) override; // Data is received from the client - virtual void GetOutgoingData(AString & a_Data) override; // Data can be sent to client - virtual void SocketClosed (void) override; // The socket has been closed for any reason -}; // tolua_export - + /** Called when the network socket has been closed. */ + void SocketClosed(void); + /** Called right after the instance is created to store its SharedPtr inside. */ + void SetSelf(cClientHandlePtr a_Self); + // cTCPLink::cCallbacks overrides: + virtual void OnLinkCreated(cTCPLinkPtr a_Link) override; + virtual void OnReceivedData(const char * a_Data, size_t a_Length) override; + virtual void OnRemoteClosed(void) override; + virtual void OnError(int a_ErrorCode, const AString & a_ErrorMsg) override; +}; // tolua_export -#endif // CCLIENTHANDLE_H_INCLUDED diff --git a/src/Entities/Player.cpp b/src/Entities/Player.cpp index 1ca131375..527380761 100644 --- a/src/Entities/Player.cpp +++ b/src/Entities/Player.cpp @@ -47,7 +47,7 @@ const int cPlayer::EATING_TICKS = 30; -cPlayer::cPlayer(cClientHandle* a_Client, const AString & a_PlayerName) : +cPlayer::cPlayer(cClientHandlePtr a_Client, const AString & a_PlayerName) : super(etPlayer, 0.6, 1.8), m_bVisible(true), m_FoodLevel(MAX_FOOD_LEVEL), @@ -174,7 +174,7 @@ void cPlayer::Destroyed() void cPlayer::SpawnOn(cClientHandle & a_Client) { - if (!m_bVisible || (m_ClientHandle == (&a_Client))) + if (!m_bVisible || (m_ClientHandle.get() == (&a_Client))) { return; } @@ -246,7 +246,7 @@ void cPlayer::Tick(std::chrono::milliseconds a_Dt, cChunk & a_Chunk) if (CanMove) { - BroadcastMovementUpdate(m_ClientHandle); + BroadcastMovementUpdate(m_ClientHandle.get()); } if (m_Health > 0) // make sure player is alive @@ -419,7 +419,7 @@ void cPlayer::StartChargingBow(void) LOGD("Player \"%s\" started charging their bow", GetName().c_str()); m_IsChargingBow = true; m_BowCharge = 0; - m_World->BroadcastEntityMetadata(*this, m_ClientHandle); + m_World->BroadcastEntityMetadata(*this, m_ClientHandle.get()); } @@ -432,7 +432,7 @@ int cPlayer::FinishChargingBow(void) int res = m_BowCharge; m_IsChargingBow = false; m_BowCharge = 0; - m_World->BroadcastEntityMetadata(*this, m_ClientHandle); + m_World->BroadcastEntityMetadata(*this, m_ClientHandle.get()); return res; } @@ -446,7 +446,7 @@ void cPlayer::CancelChargingBow(void) LOGD("Player \"%s\" cancelled charging their bow at a charge of %d", GetName().c_str(), m_BowCharge); m_IsChargingBow = false; m_BowCharge = 0; - m_World->BroadcastEntityMetadata(*this, m_ClientHandle); + m_World->BroadcastEntityMetadata(*this, m_ClientHandle.get()); } @@ -1391,7 +1391,7 @@ void cPlayer::SetVisible(bool a_bVisible) if (!a_bVisible && m_bVisible) { m_bVisible = false; - m_World->BroadcastDestroyEntity(*this, m_ClientHandle); // Destroy on all clients + m_World->BroadcastDestroyEntity(*this, m_ClientHandle.get()); // Destroy on all clients } } @@ -2294,6 +2294,16 @@ void cPlayer::Detach() +void cPlayer::RemoveClientHandle(void) +{ + ASSERT(m_ClientHandle != nullptr); + m_ClientHandle.reset(); +} + + + + + AString cPlayer::GetUUIDFileName(const AString & a_UUID) { AString UUID = cMojangAPI::MakeUUIDDashed(a_UUID); diff --git a/src/Entities/Player.h b/src/Entities/Player.h index d3ed46db6..fa9ac7cad 100644 --- a/src/Entities/Player.h +++ b/src/Entities/Player.h @@ -40,7 +40,7 @@ public: CLASS_PROTODEF(cPlayer) - cPlayer(cClientHandle * a_Client, const AString & a_PlayerName); + cPlayer(cClientHandlePtr a_Client, const AString & a_PlayerName); virtual ~cPlayer(); @@ -222,7 +222,15 @@ public: /** Closes the current window if it matches the specified ID, resets current window to m_InventoryWindow */ void CloseWindowIfID(char a_WindowID, bool a_CanRefuse = true); - cClientHandle * GetClientHandle(void) const { return m_ClientHandle; } + /** Returns the raw client handle associated with the player. */ + cClientHandle * GetClientHandle(void) const { return m_ClientHandle.get(); } + + // tolua_end + + /** Returns the SharedPtr to client handle associated with the player. */ + cClientHandlePtr GetClientHandlePtr(void) const { return m_ClientHandle; } + + // tolua_begin void SendMessage (const AString & a_Message) { m_ClientHandle->SendChat(a_Message, mtCustom); } void SendMessageInfo (const AString & a_Message) { m_ClientHandle->SendChat(a_Message, mtInformation); } @@ -467,6 +475,10 @@ public: virtual bool IsRclking (void) const { return IsEating() || IsChargingBow(); } virtual void Detach(void); + + /** Called by cClientHandle when the client is being destroyed. + The player removes its m_ClientHandle ownership so that the ClientHandle gets deleted. */ + void RemoveClientHandle(void); protected: @@ -537,7 +549,7 @@ protected: std::chrono::steady_clock::time_point m_LastPlayerListTime; - cClientHandle * m_ClientHandle; + cClientHandlePtr m_ClientHandle; cSlotNums m_InventoryPaintSlots; diff --git a/src/Generating/BioGen.cpp b/src/Generating/BioGen.cpp index 2cc810d3b..378ece6a3 100644 --- a/src/Generating/BioGen.cpp +++ b/src/Generating/BioGen.cpp @@ -205,8 +205,7 @@ void cBiomeGenList::InitializeBiomes(const AString & a_Biomes) int Count = 1; if (Split2.size() >= 2) { - Count = atol(Split2[1].c_str()); - if (Count <= 0) + if (!StringToInteger(Split2[1], Count)) { LOGWARNING("Cannot decode biome count: \"%s\"; using 1.", Split2[1].c_str()); Count = 1; diff --git a/src/HTTPServer/HTTPConnection.cpp b/src/HTTPServer/HTTPConnection.cpp index d5dbf0199..de12b36ce 100644 --- a/src/HTTPServer/HTTPConnection.cpp +++ b/src/HTTPServer/HTTPConnection.cpp @@ -38,8 +38,7 @@ cHTTPConnection::~cHTTPConnection() void cHTTPConnection::SendStatusAndReason(int a_StatusCode, const AString & a_Response) { - AppendPrintf(m_OutgoingData, "%d %s\r\nContent-Length: 0\r\n\r\n", a_StatusCode, a_Response.c_str()); - m_HTTPServer.NotifyConnectionWrite(*this); + SendData(Printf("%d %s\r\nContent-Length: 0\r\n\r\n", a_StatusCode, a_Response.c_str())); m_State = wcsRecvHeaders; } @@ -49,8 +48,7 @@ void cHTTPConnection::SendStatusAndReason(int a_StatusCode, const AString & a_Re void cHTTPConnection::SendNeedAuth(const AString & a_Realm) { - AppendPrintf(m_OutgoingData, "HTTP/1.1 401 Unauthorized\r\nWWW-Authenticate: Basic realm=\"%s\"\r\nContent-Length: 0\r\n\r\n", a_Realm.c_str()); - m_HTTPServer.NotifyConnectionWrite(*this); + SendData(Printf("HTTP/1.1 401 Unauthorized\r\nWWW-Authenticate: Basic realm=\"%s\"\r\nContent-Length: 0\r\n\r\n", a_Realm.c_str())); m_State = wcsRecvHeaders; } @@ -61,9 +59,10 @@ void cHTTPConnection::SendNeedAuth(const AString & a_Realm) void cHTTPConnection::Send(const cHTTPResponse & a_Response) { ASSERT(m_State == wcsRecvIdle); - a_Response.AppendToData(m_OutgoingData); + AString toSend; + a_Response.AppendToData(toSend); m_State = wcsSendingResp; - m_HTTPServer.NotifyConnectionWrite(*this); + SendData(toSend); } @@ -73,10 +72,10 @@ void cHTTPConnection::Send(const cHTTPResponse & a_Response) void cHTTPConnection::Send(const void * a_Data, size_t a_Size) { ASSERT(m_State == wcsSendingResp); - AppendPrintf(m_OutgoingData, SIZE_T_FMT_HEX "\r\n", a_Size); - m_OutgoingData.append((const char *)a_Data, a_Size); - m_OutgoingData.append("\r\n"); - m_HTTPServer.NotifyConnectionWrite(*this); + // We're sending in Chunked transfer encoding + SendData(Printf(SIZE_T_FMT_HEX "\r\n", a_Size)); + SendData(a_Data, a_Size); + SendData("\r\n"); } @@ -86,9 +85,8 @@ void cHTTPConnection::Send(const void * a_Data, size_t a_Size) void cHTTPConnection::FinishResponse(void) { ASSERT(m_State == wcsSendingResp); - m_OutgoingData.append("0\r\n\r\n"); + SendData("0\r\n\r\n"); m_State = wcsRecvHeaders; - m_HTTPServer.NotifyConnectionWrite(*this); } @@ -108,8 +106,7 @@ void cHTTPConnection::AwaitNextRequest(void) case wcsRecvIdle: { // The client is waiting for a response, send an "Internal server error": - m_OutgoingData.append("HTTP/1.1 500 Internal Server Error\r\n\r\n"); - m_HTTPServer.NotifyConnectionWrite(*this); + SendData("HTTP/1.1 500 Internal Server Error\r\n\r\n"); m_State = wcsRecvHeaders; break; } @@ -117,7 +114,7 @@ void cHTTPConnection::AwaitNextRequest(void) case wcsSendingResp: { // The response headers have been sent, we need to terminate the response body: - m_OutgoingData.append("0\r\n\r\n"); + SendData("0\r\n\r\n"); m_State = wcsRecvHeaders; break; } @@ -140,15 +137,27 @@ void cHTTPConnection::Terminate(void) { m_HTTPServer.RequestFinished(*this, *m_CurrentRequest); } - m_HTTPServer.CloseConnection(*this); + m_Link.reset(); } -bool cHTTPConnection::DataReceived(const char * a_Data, size_t a_Size) +void cHTTPConnection::OnLinkCreated(cTCPLinkPtr a_Link) { + ASSERT(m_Link == nullptr); + m_Link = a_Link; +} + + + + + +void cHTTPConnection::OnReceivedData(const char * a_Data, size_t a_Size) +{ + ASSERT(m_Link != nullptr); + switch (m_State) { case wcsRecvHeaders: @@ -164,13 +173,14 @@ bool cHTTPConnection::DataReceived(const char * a_Data, size_t a_Size) delete m_CurrentRequest; m_CurrentRequest = nullptr; m_State = wcsInvalid; - m_HTTPServer.CloseConnection(*this); - return true; + m_Link->Close(); + m_Link.reset(); + return; } if (m_CurrentRequest->IsInHeaders()) { // The request headers are not yet complete - return false; + return; } // The request has finished parsing its headers successfully, notify of it: @@ -186,11 +196,13 @@ bool cHTTPConnection::DataReceived(const char * a_Data, size_t a_Size) // Process the rest of the incoming data into the request body: if (a_Size > BytesConsumed) { - return cHTTPConnection::DataReceived(a_Data + BytesConsumed, a_Size - BytesConsumed); + cHTTPConnection::OnReceivedData(a_Data + BytesConsumed, a_Size - BytesConsumed); + return; } else { - return cHTTPConnection::DataReceived("", 0); // If the request has zero body length, let it be processed right-away + cHTTPConnection::OnReceivedData("", 0); // If the request has zero body length, let it be processed right-away + return; } } @@ -210,8 +222,9 @@ bool cHTTPConnection::DataReceived(const char * a_Data, size_t a_Size) if (!m_CurrentRequest->DoesAllowKeepAlive()) { m_State = wcsInvalid; - m_HTTPServer.CloseConnection(*this); - return true; + m_Link->Close(); + m_Link.reset(); + return; } delete m_CurrentRequest; m_CurrentRequest = nullptr; @@ -225,32 +238,39 @@ bool cHTTPConnection::DataReceived(const char * a_Data, size_t a_Size) break; } } - return false; } -void cHTTPConnection::GetOutgoingData(AString & a_Data) +void cHTTPConnection::OnRemoteClosed(void) { - std::swap(a_Data, m_OutgoingData); + if (m_CurrentRequest != nullptr) + { + m_HTTPServer.RequestFinished(*this, *m_CurrentRequest); + } + m_Link.reset(); } -void cHTTPConnection::SocketClosed(void) + +void cHTTPConnection::OnError(int a_ErrorCode, const AString & a_ErrorMsg) { - if (m_CurrentRequest != nullptr) - { - m_HTTPServer.RequestFinished(*this, *m_CurrentRequest); - } - m_HTTPServer.CloseConnection(*this); + OnRemoteClosed(); } +void cHTTPConnection::SendData(const void * a_Data, size_t a_Size) +{ + m_Link->Send(a_Data, a_Size); +} + + + diff --git a/src/HTTPServer/HTTPConnection.h b/src/HTTPServer/HTTPConnection.h index ccbf26466..8ecc4a4d4 100644 --- a/src/HTTPServer/HTTPConnection.h +++ b/src/HTTPServer/HTTPConnection.h @@ -9,7 +9,7 @@ #pragma once -#include "../OSSupport/SocketThreads.h" +#include "../OSSupport/Network.h" @@ -25,7 +25,7 @@ class cHTTPRequest; class cHTTPConnection : - public cSocketThreads::cCallback + public cTCPLink::cCallbacks { public: @@ -78,9 +78,6 @@ protected: /** Status in which the request currently is */ eState m_State; - /** Data that is queued for sending, once the socket becomes writable */ - AString m_OutgoingData; - /** The request being currently received Valid only between having parsed the headers and finishing receiving the body. */ cHTTPRequest * m_CurrentRequest; @@ -88,18 +85,34 @@ protected: /** Number of bytes that remain to read for the complete body of the message to be received. Valid only in wcsRecvBody */ size_t m_CurrentRequestBodyRemaining; + + /** The network link attached to this connection. */ + cTCPLinkPtr m_Link; - // cSocketThreads::cCallback overrides: - /** Data is received from the client. - Returns true if the connection has been closed as the result of parsing the data. */ - virtual bool DataReceived(const char * a_Data, size_t a_Size) override; + // cTCPLink::cCallbacks overrides: + /** The link instance has been created, remember it. */ + virtual void OnLinkCreated(cTCPLinkPtr a_Link) override; + + /** Data is received from the client. */ + virtual void OnReceivedData(const char * a_Data, size_t a_Size) override; - /** Data can be sent to client */ - virtual void GetOutgoingData(AString & a_Data) override; + /** The socket has been closed for any reason. */ + virtual void OnRemoteClosed(void) override; - /** The socket has been closed for any reason */ - virtual void SocketClosed(void) override; + /** An error has occurred on the socket. */ + virtual void OnError(int a_ErrorCode, const AString & a_ErrorMsg) override; + + // Overridable: + /** Called to send raw data over the link. Descendants may provide data transformations (SSL etc.) */ + virtual void SendData(const void * a_Data, size_t a_Size); + + /** Sends the raw data over the link. + Descendants may provide data transformations (SSL etc.) via the overridable SendData() function. */ + void SendData(const AString & a_Data) + { + SendData(a_Data.data(), a_Data.size()); + } } ; typedef std::vector<cHTTPConnection *> cHTTPConnections; diff --git a/src/HTTPServer/HTTPMessage.cpp b/src/HTTPServer/HTTPMessage.cpp index d59ca438e..c87b3cc8b 100644 --- a/src/HTTPServer/HTTPMessage.cpp +++ b/src/HTTPServer/HTTPMessage.cpp @@ -55,7 +55,10 @@ void cHTTPMessage::AddHeader(const AString & a_Key, const AString & a_Value) } else if (Key == "content-length") { - m_ContentLength = static_cast<size_t>(atol(m_Headers[Key].c_str())); + if (!StringToInteger(m_Headers[Key], m_ContentLength)) + { + m_ContentLength = 0; + } } } diff --git a/src/HTTPServer/HTTPServer.cpp b/src/HTTPServer/HTTPServer.cpp index 9ab030a1f..71f974a97 100644 --- a/src/HTTPServer/HTTPServer.cpp +++ b/src/HTTPServer/HTTPServer.cpp @@ -119,11 +119,45 @@ class cDebugCallbacks : //////////////////////////////////////////////////////////////////////////////// +// cHTTPServerListenCallbacks: + +class cHTTPServerListenCallbacks: + public cNetwork::cListenCallbacks +{ +public: + cHTTPServerListenCallbacks(cHTTPServer & a_HTTPServer, UInt16 a_Port): + m_HTTPServer(a_HTTPServer), + m_Port(a_Port) + { + } + +protected: + /** The HTTP server instance that we're attached to. */ + cHTTPServer & m_HTTPServer; + + /** The port for which this instance is responsible. */ + UInt16 m_Port; + + // cNetwork::cListenCallbacks overrides: + virtual cTCPLink::cCallbacksPtr OnIncomingConnection(const AString & a_RemoteIPAddress, UInt16 a_RemotePort) override + { + return m_HTTPServer.OnIncomingConnection(a_RemoteIPAddress, a_RemotePort); + } + virtual void OnAccepted(cTCPLink & a_Link) override {} + virtual void OnError(int a_ErrorCode, const AString & a_ErrorMsg) override + { + LOGWARNING("HTTP server error on port %d: %d (%s)", m_Port, a_ErrorCode, a_ErrorMsg.c_str()); + } +}; + + + + + +//////////////////////////////////////////////////////////////////////////////// // cHTTPServer: cHTTPServer::cHTTPServer(void) : - m_ListenThreadIPv4(*this, cSocket::IPv4, "WebServer"), - m_ListenThreadIPv6(*this, cSocket::IPv6, "WebServer"), m_Callbacks(nullptr) { } @@ -141,7 +175,7 @@ cHTTPServer::~cHTTPServer() -bool cHTTPServer::Initialize(const AString & a_PortsIPv4, const AString & a_PortsIPv6) +bool cHTTPServer::Initialize(void) { // Read the HTTPS cert + key: AString CertFile = cFile::ReadWholeFile("webadmin/httpscert.crt"); @@ -177,18 +211,6 @@ bool cHTTPServer::Initialize(const AString & a_PortsIPv4, const AString & a_Port { LOGINFO("WebServer: The server is running in secure HTTPS mode."); } - - // Open up requested ports: - bool HasAnyPort; - m_ListenThreadIPv4.SetReuseAddr(true); - m_ListenThreadIPv6.SetReuseAddr(true); - HasAnyPort = m_ListenThreadIPv4.Initialize(a_PortsIPv4); - HasAnyPort = m_ListenThreadIPv6.Initialize(a_PortsIPv6) || HasAnyPort; - if (!HasAnyPort) - { - return false; - } - return true; } @@ -196,19 +218,28 @@ bool cHTTPServer::Initialize(const AString & a_PortsIPv4, const AString & a_Port -bool cHTTPServer::Start(cCallbacks & a_Callbacks) +bool cHTTPServer::Start(cCallbacks & a_Callbacks, const AStringVector & a_Ports) { m_Callbacks = &a_Callbacks; - if (!m_ListenThreadIPv4.Start()) - { - return false; - } - if (!m_ListenThreadIPv6.Start()) + + // Open up requested ports: + for (auto port : a_Ports) { - m_ListenThreadIPv4.Stop(); - return false; - } - return true; + UInt16 PortNum; + if (!StringToInteger(port, PortNum)) + { + LOGWARNING("WebServer: Invalid port value: \"%s\". Ignoring.", port.c_str()); + continue; + } + auto Handle = cNetwork::Listen(PortNum, std::make_shared<cHTTPServerListenCallbacks>(*this, PortNum)); + if (Handle->IsListening()) + { + m_ServerHandles.push_back(Handle); + } + } // for port - a_Ports[] + + // Report success if at least one port opened successfully: + return !m_ServerHandles.empty(); } @@ -217,63 +248,30 @@ bool cHTTPServer::Start(cCallbacks & a_Callbacks) void cHTTPServer::Stop(void) { - m_ListenThreadIPv4.Stop(); - m_ListenThreadIPv6.Stop(); - - // Drop all current connections: - cCSLock Lock(m_CSConnections); - while (!m_Connections.empty()) + for (auto handle : m_ServerHandles) { - m_Connections.front()->Terminate(); - } // for itr - m_Connections[] + handle->Close(); + } + m_ServerHandles.clear(); } -void cHTTPServer::OnConnectionAccepted(cSocket & a_Socket) +cTCPLink::cCallbacksPtr cHTTPServer::OnIncomingConnection(const AString & a_RemoteIPAddress, UInt16 a_RemotePort) { - cHTTPConnection * Connection; + UNUSED(a_RemoteIPAddress); + UNUSED(a_RemotePort); + if (m_Cert.get() != nullptr) { - Connection = new cSslHTTPConnection(*this, m_Cert, m_CertPrivKey); + return std::make_shared<cSslHTTPConnection>(*this, m_Cert, m_CertPrivKey); } else { - Connection = new cHTTPConnection(*this); + return std::make_shared<cHTTPConnection>(*this); } - m_SocketThreads.AddClient(a_Socket, Connection); - cCSLock Lock(m_CSConnections); - m_Connections.push_back(Connection); -} - - - - - -void cHTTPServer::CloseConnection(cHTTPConnection & a_Connection) -{ - m_SocketThreads.RemoveClient(&a_Connection); - cCSLock Lock(m_CSConnections); - for (cHTTPConnections::iterator itr = m_Connections.begin(), end = m_Connections.end(); itr != end; ++itr) - { - if (*itr == &a_Connection) - { - m_Connections.erase(itr); - break; - } - } - delete &a_Connection; -} - - - - - -void cHTTPServer::NotifyConnectionWrite(cHTTPConnection & a_Connection) -{ - m_SocketThreads.NotifyWrite(&a_Connection); } diff --git a/src/HTTPServer/HTTPServer.h b/src/HTTPServer/HTTPServer.h index 73d4cbdd0..d626fb475 100644 --- a/src/HTTPServer/HTTPServer.h +++ b/src/HTTPServer/HTTPServer.h @@ -9,8 +9,7 @@ #pragma once -#include "../OSSupport/ListenThread.h" -#include "../OSSupport/SocketThreads.h" +#include "../OSSupport/Network.h" #include "../IniFile.h" #include "PolarSSL++/RsaPrivateKey.h" #include "PolarSSL++/CryptoKey.h" @@ -33,8 +32,7 @@ typedef std::vector<cHTTPConnection *> cHTTPConnections; -class cHTTPServer : - public cListenThread::cCallback +class cHTTPServer { public: class cCallbacks @@ -42,44 +40,39 @@ public: public: virtual ~cCallbacks() {} - /** Called when a new request arrives over a connection and its headers have been parsed. - The request body needn't have arrived yet. - */ + /** Called when a new request arrives over a connection and all its headers have been parsed. + The request body needn't have arrived yet. */ virtual void OnRequestBegun(cHTTPConnection & a_Connection, cHTTPRequest & a_Request) = 0; /** Called when another part of request body has arrived. May be called multiple times for a single request. */ virtual void OnRequestBody(cHTTPConnection & a_Connection, cHTTPRequest & a_Request, const char * a_Data, size_t a_Size) = 0; - /// Called when the request body has been fully received in previous calls to OnRequestBody() + /** Called when the request body has been fully received in previous calls to OnRequestBody() */ virtual void OnRequestFinished(cHTTPConnection & a_Connection, cHTTPRequest & a_Request) = 0; } ; cHTTPServer(void); virtual ~cHTTPServer(); - /// Initializes the server on the specified ports - bool Initialize(const AString & a_PortsIPv4, const AString & a_PortsIPv6); + /** Initializes the server - reads the cert files etc. */ + bool Initialize(void); - /// Starts the server and assigns the callbacks to use for incoming requests - bool Start(cCallbacks & a_Callbacks); + /** Starts the server and assigns the callbacks to use for incoming requests */ + bool Start(cCallbacks & a_Callbacks, const AStringVector & a_Ports); - /// Stops the server, drops all current connections + /** Stops the server, drops all current connections */ void Stop(void); protected: friend class cHTTPConnection; friend class cSslHTTPConnection; + friend class cHTTPServerListenCallbacks; - cListenThread m_ListenThreadIPv4; - cListenThread m_ListenThreadIPv6; + /** The cNetwork API handle for the listening socket. */ + cServerHandlePtrs m_ServerHandles; - cSocketThreads m_SocketThreads; - - cCriticalSection m_CSConnections; - cHTTPConnections m_Connections; ///< All the connections that are currently being serviced - - /// The callbacks to call for various events + /** The callbacks to call for various events */ cCallbacks * m_Callbacks; /** The server certificate to use for the SSL connections */ @@ -89,23 +82,18 @@ protected: cCryptoKeyPtr m_CertPrivKey; - // cListenThread::cCallback overrides: - virtual void OnConnectionAccepted(cSocket & a_Socket) override; - - /// Called by cHTTPConnection to close the connection (presumably due to an error) - void CloseConnection(cHTTPConnection & a_Connection); - - /// Called by cHTTPConnection to notify SocketThreads that there's data to be sent for the connection - void NotifyConnectionWrite(cHTTPConnection & a_Connection); - - /// Called by cHTTPConnection when it finishes parsing the request header + /** Called by cHTTPServerListenCallbacks when there's a new incoming connection. + Returns the connection instance to be used as the cTCPLink callbacks. */ + cTCPLink::cCallbacksPtr OnIncomingConnection(const AString & a_RemoteIPAddress, UInt16 a_RemotePort); + + /** Called by cHTTPConnection when it finishes parsing the request header */ void NewRequest(cHTTPConnection & a_Connection, cHTTPRequest & a_Request); /** Called by cHTTPConenction when it receives more data for the request body. May be called multiple times for a single request. */ void RequestBody(cHTTPConnection & a_Connection, cHTTPRequest & a_Request, const char * a_Data, size_t a_Size); - /// Called by cHTTPConnection when it detects that the request has finished (all of its body has been received) + /** Called by cHTTPConnection when it detects that the request has finished (all of its body has been received) */ void RequestFinished(cHTTPConnection & a_Connection, cHTTPRequest & a_Request); } ; diff --git a/src/HTTPServer/SslHTTPConnection.cpp b/src/HTTPServer/SslHTTPConnection.cpp index d237089d9..f09daac8f 100644 --- a/src/HTTPServer/SslHTTPConnection.cpp +++ b/src/HTTPServer/SslHTTPConnection.cpp @@ -25,14 +25,8 @@ cSslHTTPConnection::cSslHTTPConnection(cHTTPServer & a_HTTPServer, const cX509Ce -bool cSslHTTPConnection::DataReceived(const char * a_Data, size_t a_Size) +void cSslHTTPConnection::OnReceivedData(const char * a_Data, size_t a_Size) { - // If there is outgoing data in the queue, notify the server that it should write it out: - if (!m_OutgoingData.empty()) - { - m_HTTPServer.NotifyConnectionWrite(*this); - } - // Process the received data: const char * Data = a_Data; size_t Size = a_Size; @@ -52,17 +46,18 @@ bool cSslHTTPConnection::DataReceived(const char * a_Data, size_t a_Size) int NumRead = m_Ssl.ReadPlain(Buffer, sizeof(Buffer)); if (NumRead > 0) { - if (super::DataReceived(Buffer, (size_t)NumRead)) - { - // The socket has been closed, and the object is already deleted. Bail out. - return true; - } + super::OnReceivedData(Buffer, (size_t)NumRead); + } + else if (NumRead == POLARSSL_ERR_NET_WANT_READ) + { + // SSL requires us to send data to peer first, do so by "sending" empty data: + SendData(nullptr, 0); } // If both failed, bail out: if ((BytesWritten == 0) && (NumRead <= 0)) { - return false; + return; } } } @@ -71,18 +66,20 @@ bool cSslHTTPConnection::DataReceived(const char * a_Data, size_t a_Size) -void cSslHTTPConnection::GetOutgoingData(AString & a_Data) +void cSslHTTPConnection::SendData(const void * a_Data, size_t a_Size) { + const char * OutgoingData = reinterpret_cast<const char *>(a_Data); + size_t pos = 0; for (;;) { // Write as many bytes from our buffer to SSL's encryption as possible: int NumWritten = 0; - if (!m_OutgoingData.empty()) + if (pos < a_Size) { - NumWritten = m_Ssl.WritePlain(m_OutgoingData.data(), m_OutgoingData.size()); + NumWritten = m_Ssl.WritePlain(OutgoingData + pos, a_Size - pos); if (NumWritten > 0) { - m_OutgoingData.erase(0, (size_t)NumWritten); + pos += static_cast<size_t>(NumWritten); } } @@ -91,7 +88,7 @@ void cSslHTTPConnection::GetOutgoingData(AString & a_Data) size_t NumBytes = m_Ssl.ReadOutgoing(Buffer, sizeof(Buffer)); if (NumBytes > 0) { - a_Data.append(Buffer, NumBytes); + m_Link->Send(Buffer, NumBytes); } // If both failed, bail out: diff --git a/src/HTTPServer/SslHTTPConnection.h b/src/HTTPServer/SslHTTPConnection.h index c2c1585cd..dc54b1eff 100644 --- a/src/HTTPServer/SslHTTPConnection.h +++ b/src/HTTPServer/SslHTTPConnection.h @@ -36,8 +36,8 @@ protected: cCryptoKeyPtr m_PrivateKey; // cHTTPConnection overrides: - virtual bool DataReceived (const char * a_Data, size_t a_Size) override; // Data is received from the client - virtual void GetOutgoingData(AString & a_Data) override; // Data can be sent to client + virtual void OnReceivedData(const char * a_Data, size_t a_Size) override; // Data is received from the client + virtual void SendData(const void * a_Data, size_t a_Size) override; // Data is to be sent to client } ; diff --git a/src/IniFile.cpp b/src/IniFile.cpp index ded7e4199..3a213a90e 100644 --- a/src/IniFile.cpp +++ b/src/IniFile.cpp @@ -888,3 +888,39 @@ void cIniFile::RemoveBom(AString & a_line) const + +AStringVector ReadUpgradeIniPorts( + cIniFile & a_IniFile, + const AString & a_KeyName, + const AString & a_PortsValueName, + const AString & a_OldIPv4ValueName, + const AString & a_OldIPv6ValueName, + const AString & a_DefaultValue +) +{ + // Read the regular value, but don't use the default (in order to detect missing value for upgrade): + AStringVector Ports = StringSplitAndTrim(a_IniFile.GetValue(a_KeyName, a_PortsValueName), ";,"); + + if (Ports.empty()) + { + // Historically there were two separate entries for IPv4 and IPv6, merge them and migrate: + AString Ports4 = a_IniFile.GetValue(a_KeyName, a_OldIPv4ValueName, a_DefaultValue); + AString Ports6 = a_IniFile.GetValue(a_KeyName, a_OldIPv6ValueName); + Ports = MergeStringVectors(StringSplitAndTrim(Ports4, ";,"), StringSplitAndTrim(Ports6, ";,")); + a_IniFile.DeleteValue(a_KeyName, a_OldIPv4ValueName); + a_IniFile.DeleteValue(a_KeyName, a_OldIPv6ValueName); + + // If those weren't present or were empty, use the default:" + if (Ports.empty()) + { + Ports = StringSplitAndTrim(a_DefaultValue, ";,"); + } + a_IniFile.SetValue(a_KeyName, a_PortsValueName, StringsConcat(Ports, ',')); + } + + return Ports; +} + + + + diff --git a/src/IniFile.h b/src/IniFile.h index e5879f46c..3e717723f 100644 --- a/src/IniFile.h +++ b/src/IniFile.h @@ -15,9 +15,7 @@ !! MODIFIED BY FAKETRUTH and madmaxoft!! */ -#ifndef CIniFile_H -#define CIniFile_H - +#pragma once @@ -215,4 +213,22 @@ public: // tolua_end -#endif + + + + +/** Reads the list of ports from the INI file, possibly upgrading from IPv4/IPv6-specific values into new version-agnostic value. +Reads the list of ports from a_PortsValueName. If that value doesn't exist or is empty, the list is combined from values +in a_OldIPv4ValueName and a_OldIPv6ValueName; in this case the old values are removed from the INI file. +If there is none of the three values or they are all empty, the default is used and stored in the Ports value. */ +AStringVector ReadUpgradeIniPorts( + cIniFile & a_IniFile, + const AString & a_KeyName, + const AString & a_PortsValueName, + const AString & a_OldIPv4ValueName, + const AString & a_OldIPv6ValueName, + const AString & a_DefaultValue +); + + + diff --git a/src/OSSupport/CMakeLists.txt b/src/OSSupport/CMakeLists.txt index c8e96cbec..6f609c519 100644 --- a/src/OSSupport/CMakeLists.txt +++ b/src/OSSupport/CMakeLists.txt @@ -13,12 +13,9 @@ SET (SRCS HostnameLookup.cpp IPLookup.cpp IsThread.cpp - ListenThread.cpp NetworkSingleton.cpp Semaphore.cpp ServerHandleImpl.cpp - Socket.cpp - SocketThreads.cpp StackTrace.cpp TCPLinkImpl.cpp ) @@ -32,14 +29,11 @@ SET (HDRS HostnameLookup.h IPLookup.h IsThread.h - ListenThread.h Network.h NetworkSingleton.h Queue.h Semaphore.h ServerHandleImpl.h - Socket.h - SocketThreads.h StackTrace.h TCPLinkImpl.h ) diff --git a/src/OSSupport/File.h b/src/OSSupport/File.h index dfb38e839..ac6d1ab21 100644 --- a/src/OSSupport/File.h +++ b/src/OSSupport/File.h @@ -126,7 +126,7 @@ public: /** Returns the entire contents of the specified file as a string. Returns empty string on error. */ static AString ReadWholeFile(const AString & a_FileName); - + // tolua_end /** Returns the list of all items in the specified folder (files, folders, nix pipes, whatever's there). */ diff --git a/src/OSSupport/ListenThread.cpp b/src/OSSupport/ListenThread.cpp deleted file mode 100644 index b029634e9..000000000 --- a/src/OSSupport/ListenThread.cpp +++ /dev/null @@ -1,238 +0,0 @@ - -// ListenThread.cpp - -// Implements the cListenThread class representing the thread that listens for client connections - -#include "Globals.h" -#include "ListenThread.h" - - - - - -cListenThread::cListenThread(cCallback & a_Callback, cSocket::eFamily a_Family, const AString & a_ServiceName) : - super(Printf("ListenThread %s", a_ServiceName.c_str())), - m_Callback(a_Callback), - m_Family(a_Family), - m_ShouldReuseAddr(false), - m_ServiceName(a_ServiceName) -{ -} - - - - - -cListenThread::~cListenThread() -{ - Stop(); -} - - - - - -bool cListenThread::Initialize(const AString & a_PortsString) -{ - ASSERT(m_Sockets.empty()); // Not yet started - - if (!CreateSockets(a_PortsString)) - { - return false; - } - - return true; -} - - - - - -bool cListenThread::Start(void) -{ - if (m_Sockets.empty()) - { - // There are no sockets listening, either forgotten to initialize or the user specified no listening ports - // Report as successful, though - return true; - } - return super::Start(); -} - - - - - -void cListenThread::Stop(void) -{ - if (m_Sockets.empty()) - { - // No sockets means no thread was running in the first place - return; - } - - m_ShouldTerminate = true; - - // Close one socket to wake the thread up from the select() call - m_Sockets[0].CloseSocket(); - - // Wait for the thread to finish - super::Wait(); - - // Close all the listening sockets: - for (cSockets::iterator itr = m_Sockets.begin() + 1, end = m_Sockets.end(); itr != end; ++itr) - { - itr->CloseSocket(); - } // for itr - m_Sockets[] - m_Sockets.clear(); -} - - - - - -void cListenThread::SetReuseAddr(bool a_Reuse) -{ - ASSERT(m_Sockets.empty()); // Must not have been Initialize()d yet - - m_ShouldReuseAddr = a_Reuse; -} - - - - - -bool cListenThread::CreateSockets(const AString & a_PortsString) -{ - AStringVector Ports = StringSplitAndTrim(a_PortsString, ","); - - if (Ports.empty()) - { - return false; - } - - AString FamilyStr = m_ServiceName; - switch (m_Family) - { - case cSocket::IPv4: FamilyStr.append(" IPv4"); break; - case cSocket::IPv6: FamilyStr.append(" IPv6"); break; - default: - { - ASSERT(!"Unknown address family"); - break; - } - } - - for (AStringVector::const_iterator itr = Ports.begin(), end = Ports.end(); itr != end; ++itr) - { - int Port = atoi(itr->c_str()); - if ((Port <= 0) || (Port > 65535)) - { - LOGWARNING("%s: Invalid port specified: \"%s\".", FamilyStr.c_str(), itr->c_str()); - continue; - } - m_Sockets.push_back(cSocket::CreateSocket(m_Family)); - if (!m_Sockets.back().IsValid()) - { - LOGWARNING("%s: Cannot create listening socket for port %d: \"%s\"", FamilyStr.c_str(), Port, cSocket::GetLastErrorString().c_str()); - m_Sockets.pop_back(); - continue; - } - - if (m_ShouldReuseAddr) - { - if (!m_Sockets.back().SetReuseAddress()) - { - LOG("%s: Port %d cannot reuse addr, syscall failed: \"%s\".", FamilyStr.c_str(), Port, cSocket::GetLastErrorString().c_str()); - } - } - - // Bind to port: - bool res = false; - switch (m_Family) - { - case cSocket::IPv4: res = m_Sockets.back().BindToAnyIPv4(Port); break; - case cSocket::IPv6: res = m_Sockets.back().BindToAnyIPv6(Port); break; - default: - { - ASSERT(!"Unknown address family"); - res = false; - } - } - if (!res) - { - LOGWARNING("%s: Cannot bind port %d: \"%s\".", FamilyStr.c_str(), Port, cSocket::GetLastErrorString().c_str()); - m_Sockets.pop_back(); - continue; - } - - if (!m_Sockets.back().Listen()) - { - LOGWARNING("%s: Cannot listen on port %d: \"%s\".", FamilyStr.c_str(), Port, cSocket::GetLastErrorString().c_str()); - m_Sockets.pop_back(); - continue; - } - - LOGINFO("%s: Port %d is open for connections", FamilyStr.c_str(), Port); - } // for itr - Ports[] - - return !(m_Sockets.empty()); -} - - - - - -void cListenThread::Execute(void) -{ - if (m_Sockets.empty()) - { - LOGD("Empty cListenThread, ending thread now."); - return; - } - - // Find the highest socket number: - cSocket::xSocket Highest = m_Sockets[0].GetSocket(); - for (cSockets::iterator itr = m_Sockets.begin(), end = m_Sockets.end(); itr != end; ++itr) - { - if (itr->GetSocket() > Highest) - { - Highest = itr->GetSocket(); - } - } // for itr - m_Sockets[] - - while (!m_ShouldTerminate) - { - // Put all sockets into a FD set: - fd_set fdRead; - FD_ZERO(&fdRead); - for (cSockets::iterator itr = m_Sockets.begin(), end = m_Sockets.end(); itr != end; ++itr) - { - FD_SET(itr->GetSocket(), &fdRead); - } // for itr - m_Sockets[] - - timeval tv; // On Linux select() doesn't seem to wake up when socket is closed, so let's kinda busy-wait: - tv.tv_sec = 1; - tv.tv_usec = 0; - if (select((int)Highest + 1, &fdRead, nullptr, nullptr, &tv) == -1) - { - LOG("select(R) call failed in cListenThread: \"%s\"", cSocket::GetLastErrorString().c_str()); - continue; - } - for (cSockets::iterator itr = m_Sockets.begin(), end = m_Sockets.end(); itr != end; ++itr) - { - if (itr->IsValid() && FD_ISSET(itr->GetSocket(), &fdRead)) - { - cSocket Client = (m_Family == cSocket::IPv4) ? itr->AcceptIPv4() : itr->AcceptIPv6(); - if (Client.IsValid()) - { - m_Callback.OnConnectionAccepted(Client); - } - } - } // for itr - m_Sockets[] - } // while (!m_ShouldTerminate) -} - - - - diff --git a/src/OSSupport/ListenThread.h b/src/OSSupport/ListenThread.h deleted file mode 100644 index b2d806c82..000000000 --- a/src/OSSupport/ListenThread.h +++ /dev/null @@ -1,85 +0,0 @@ - -// ListenThread.h - -// Declares the cListenThread class representing the thread that listens for client connections - - - - - -#pragma once - -#include "IsThread.h" -#include "Socket.h" - - - - - -// fwd: -class cServer; - - - - - -class cListenThread : - public cIsThread -{ - typedef cIsThread super; - -public: - /** Used as the callback for connection events */ - class cCallback - { - public: - virtual ~cCallback() {} - - /** This callback is called whenever a socket connection is accepted */ - virtual void OnConnectionAccepted(cSocket & a_Socket) = 0; - } ; - - cListenThread(cCallback & a_Callback, cSocket::eFamily a_Family, const AString & a_ServiceName = ""); - ~cListenThread(); - - /** Creates all the sockets, returns trus if successful, false if not. */ - bool Initialize(const AString & a_PortsString); - - bool Start(void); - - void Stop(void); - - /** Call before Initialize() to set the "reuse" flag on the sockets */ - void SetReuseAddr(bool a_Reuse = true); - -protected: - typedef std::vector<cSocket> cSockets; - - /** The callback which to notify of incoming connections */ - cCallback & m_Callback; - - /** Socket address family to use */ - cSocket::eFamily m_Family; - - /** Sockets that are being monitored */ - cSockets m_Sockets; - - /** If set to true, the SO_REUSEADDR socket option is set to true */ - bool m_ShouldReuseAddr; - - /** Name of the service that's listening on the ports; for logging purposes only */ - AString m_ServiceName; - - - /** Fills in m_Sockets with individual sockets, each for one port specified in a_PortsString. - Returns true if successful and at least one socket has been created - */ - bool CreateSockets(const AString & a_PortsString); - - // cIsThread override: - virtual void Execute(void) override; -} ; - - - - diff --git a/src/OSSupport/NetworkSingleton.cpp b/src/OSSupport/NetworkSingleton.cpp index 92f0604cd..000b17641 100644 --- a/src/OSSupport/NetworkSingleton.cpp +++ b/src/OSSupport/NetworkSingleton.cpp @@ -18,7 +18,8 @@ -cNetworkSingleton::cNetworkSingleton(void) +cNetworkSingleton::cNetworkSingleton(void): + m_HasTerminated(false) { // Windows: initialize networking: #ifdef _WIN32 @@ -72,6 +73,29 @@ cNetworkSingleton::cNetworkSingleton(void) cNetworkSingleton::~cNetworkSingleton() { + // Check that Terminate has been called already: + ASSERT(m_HasTerminated); +} + + + + + +cNetworkSingleton & cNetworkSingleton::Get(void) +{ + static cNetworkSingleton Instance; + return Instance; +} + + + + + +void cNetworkSingleton::Terminate(void) +{ + ASSERT(!m_HasTerminated); + m_HasTerminated = true; + // Wait for the LibEvent event loop to terminate: event_base_loopbreak(m_EventBase); m_EventLoopTerminated.Wait(); @@ -96,16 +120,6 @@ cNetworkSingleton::~cNetworkSingleton() -cNetworkSingleton & cNetworkSingleton::Get(void) -{ - static cNetworkSingleton Instance; - return Instance; -} - - - - - void cNetworkSingleton::LogCallback(int a_Severity, const char * a_Msg) { switch (a_Severity) @@ -138,6 +152,7 @@ void cNetworkSingleton::RunEventLoop(cNetworkSingleton * a_Self) void cNetworkSingleton::AddHostnameLookup(cHostnameLookupPtr a_HostnameLookup) { + ASSERT(!m_HasTerminated); cCSLock Lock(m_CS); m_HostnameLookups.push_back(a_HostnameLookup); } @@ -148,6 +163,7 @@ void cNetworkSingleton::AddHostnameLookup(cHostnameLookupPtr a_HostnameLookup) void cNetworkSingleton::RemoveHostnameLookup(const cHostnameLookup * a_HostnameLookup) { + ASSERT(!m_HasTerminated); cCSLock Lock(m_CS); for (auto itr = m_HostnameLookups.begin(), end = m_HostnameLookups.end(); itr != end; ++itr) { @@ -165,6 +181,7 @@ void cNetworkSingleton::RemoveHostnameLookup(const cHostnameLookup * a_HostnameL void cNetworkSingleton::AddIPLookup(cIPLookupPtr a_IPLookup) { + ASSERT(!m_HasTerminated); cCSLock Lock(m_CS); m_IPLookups.push_back(a_IPLookup); } @@ -175,6 +192,7 @@ void cNetworkSingleton::AddIPLookup(cIPLookupPtr a_IPLookup) void cNetworkSingleton::RemoveIPLookup(const cIPLookup * a_IPLookup) { + ASSERT(!m_HasTerminated); cCSLock Lock(m_CS); for (auto itr = m_IPLookups.begin(), end = m_IPLookups.end(); itr != end; ++itr) { @@ -192,6 +210,7 @@ void cNetworkSingleton::RemoveIPLookup(const cIPLookup * a_IPLookup) void cNetworkSingleton::AddLink(cTCPLinkImplPtr a_Link) { + ASSERT(!m_HasTerminated); cCSLock Lock(m_CS); m_Connections.push_back(a_Link); } @@ -202,6 +221,7 @@ void cNetworkSingleton::AddLink(cTCPLinkImplPtr a_Link) void cNetworkSingleton::RemoveLink(const cTCPLinkImpl * a_Link) { + ASSERT(!m_HasTerminated); cCSLock Lock(m_CS); for (auto itr = m_Connections.begin(), end = m_Connections.end(); itr != end; ++itr) { @@ -219,6 +239,7 @@ void cNetworkSingleton::RemoveLink(const cTCPLinkImpl * a_Link) void cNetworkSingleton::AddServer(cServerHandleImplPtr a_Server) { + ASSERT(!m_HasTerminated); cCSLock Lock(m_CS); m_Servers.push_back(a_Server); } @@ -229,6 +250,7 @@ void cNetworkSingleton::AddServer(cServerHandleImplPtr a_Server) void cNetworkSingleton::RemoveServer(const cServerHandleImpl * a_Server) { + ASSERT(!m_HasTerminated); cCSLock Lock(m_CS); for (auto itr = m_Servers.begin(), end = m_Servers.end(); itr != end; ++itr) { diff --git a/src/OSSupport/NetworkSingleton.h b/src/OSSupport/NetworkSingleton.h index 1d26fc8f4..e27e19012 100644 --- a/src/OSSupport/NetworkSingleton.h +++ b/src/OSSupport/NetworkSingleton.h @@ -4,7 +4,8 @@ // Declares the cNetworkSingleton class representing the storage for global data pertaining to network API // such as a list of all connections, all listening sockets and the LibEvent dispatch thread. -// This is an internal header, no-one outside OSSupport should need to include it; use Network.h instead +// This is an internal header, no-one outside OSSupport should need to include it; use Network.h instead; +// the only exception being the main app entrypoint that needs to call Terminate before quitting. @@ -48,6 +49,11 @@ public: /** Returns the singleton instance of this class */ static cNetworkSingleton & Get(void); + /** Terminates all network-related threads. + To be used only on app shutdown. + MSVC runtime requires that the LibEvent networking be shut down before the main() function is exitted; this is the way to do it. */ + void Terminate(void); + /** Returns the main LibEvent handle for event registering. */ event_base * GetEventBase(void) { return m_EventBase; } @@ -113,6 +119,9 @@ protected: /** Event that gets signalled when the event loop terminates. */ cEvent m_EventLoopTerminated; + /** Set to true if Terminate has been called. */ + volatile bool m_HasTerminated; + /** Initializes the LibEvent internals. */ cNetworkSingleton(void); diff --git a/src/OSSupport/ServerHandleImpl.cpp b/src/OSSupport/ServerHandleImpl.cpp index ba38dbf2e..5fc5662e1 100644 --- a/src/OSSupport/ServerHandleImpl.cpp +++ b/src/OSSupport/ServerHandleImpl.cpp @@ -83,6 +83,9 @@ void cServerHandleImpl::Close(void) // Remove the ptr to self, so that the object may be freed: m_SelfPtr.reset(); + + // Remove self from cNetworkSingleton: + cNetworkSingleton::Get().RemoveServer(this); } @@ -157,10 +160,6 @@ bool cServerHandleImpl::Listen(UInt16 a_Port) int res = setsockopt(MainSock, IPPROTO_IPV6, IPV6_V6ONLY, reinterpret_cast<const char *>(&Zero), sizeof(Zero)); err = EVUTIL_SOCKET_ERROR(); NeedsTwoSockets = ((res == SOCKET_ERROR) && (err == WSAENOPROTOOPT)); - LOGD("setsockopt(IPV6_V6ONLY) returned %d, err is %d (%s). %s", - res, err, evutil_socket_error_to_string(err), - NeedsTwoSockets ? "Second socket will be created" : "Second socket not needed" - ); #else setsockopt(MainSock, IPPROTO_IPV6, IPV6_V6ONLY, reinterpret_cast<const char *>(&Zero), sizeof(Zero)); #endif @@ -256,19 +255,20 @@ void cServerHandleImpl::Callback(evconnlistener * a_Listener, evutil_socket_t a_ // Get the textual IP address and port number out of a_Addr: char IPAddress[128]; - evutil_inet_ntop(a_Addr->sa_family, a_Addr->sa_data, IPAddress, ARRAYCOUNT(IPAddress)); UInt16 Port = 0; switch (a_Addr->sa_family) { case AF_INET: { sockaddr_in * sin = reinterpret_cast<sockaddr_in *>(a_Addr); + evutil_inet_ntop(AF_INET, sin, IPAddress, ARRAYCOUNT(IPAddress)); Port = ntohs(sin->sin_port); break; } case AF_INET6: { sockaddr_in6 * sin6 = reinterpret_cast<sockaddr_in6 *>(a_Addr); + evutil_inet_ntop(AF_INET, sin6, IPAddress, ARRAYCOUNT(IPAddress)); Port = ntohs(sin6->sin6_port); break; } diff --git a/src/OSSupport/SocketThreads.cpp b/src/OSSupport/SocketThreads.cpp deleted file mode 100644 index 153d6ed1d..000000000 --- a/src/OSSupport/SocketThreads.cpp +++ /dev/null @@ -1,702 +0,0 @@ - -// cSocketThreads.cpp - -// Implements the cSocketThreads class representing the heart of MCS's client networking. -// This object takes care of network communication, groups sockets into threads and uses as little threads as possible for full read / write support -// For more detail, see http://forum.mc-server.org/showthread.php?tid=327 - -#include "Globals.h" -#include "SocketThreads.h" -#include "Errors.h" - - - - - -//////////////////////////////////////////////////////////////////////////////// -// cSocketThreads: - -cSocketThreads::cSocketThreads(void) -{ -} - - - - - -cSocketThreads::~cSocketThreads() -{ - for (cSocketThreadList::iterator itr = m_Threads.begin(); itr != m_Threads.end(); ++itr) - { - delete *itr; - } // for itr - m_Threads[] - m_Threads.clear(); -} - - - - - - -bool cSocketThreads::AddClient(const cSocket & a_Socket, cCallback * a_Client) -{ - // Add a (socket, client) pair for processing, data from a_Socket is to be sent to a_Client - - // Try to add to existing threads: - cCSLock Lock(m_CS); - for (cSocketThreadList::iterator itr = m_Threads.begin(); itr != m_Threads.end(); ++itr) - { - if ((*itr)->IsValid() && (*itr)->HasEmptySlot()) - { - (*itr)->AddClient(a_Socket, a_Client); - return true; - } - } - - // No thread has free space, create a new one: - LOGD("Creating a new cSocketThread (currently have " SIZE_T_FMT ")", m_Threads.size()); - cSocketThread * Thread = new cSocketThread(this); - if (!Thread->Start()) - { - // There was an error launching the thread (but it was already logged along with the reason) - LOGERROR("A new cSocketThread failed to start"); - delete Thread; - Thread = nullptr; - return false; - } - Thread->AddClient(a_Socket, a_Client); - m_Threads.push_back(Thread); - return true; -} - - - - - -void cSocketThreads::RemoveClient(const cCallback * a_Client) -{ - // Remove the associated socket and the client from processing - - cCSLock Lock(m_CS); - for (cSocketThreadList::iterator itr = m_Threads.begin(); itr != m_Threads.end(); ++itr) - { - if ((*itr)->RemoveClient(a_Client)) - { - return; - } - } // for itr - m_Threads[] - - // This client wasn't found. - // It's not an error, because it may have been removed by a different thread in the meantime. -} - - - - - -void cSocketThreads::NotifyWrite(const cCallback * a_Client) -{ - // Notifies the thread responsible for a_Client that the client has something to write - - cCSLock Lock(m_CS); - for (cSocketThreadList::iterator itr = m_Threads.begin(); itr != m_Threads.end(); ++itr) - { - if ((*itr)->NotifyWrite(a_Client)) - { - return; - } - } // for itr - m_Threads[] - - // Cannot assert - this normally happens if a client disconnects and has pending packets, the cServer::cNotifyWriteThread will call this on invalid clients too - // ASSERT(!"Notifying write to an unknown client"); -} - - - - - -void cSocketThreads::Write(const cCallback * a_Client, const AString & a_Data) -{ - // Puts a_Data into outgoing data queue for a_Client - cCSLock Lock(m_CS); - for (cSocketThreadList::iterator itr = m_Threads.begin(); itr != m_Threads.end(); ++itr) - { - if ((*itr)->Write(a_Client, a_Data)) - { - return; - } - } // for itr - m_Threads[] - - // This may be perfectly legal, if the socket has been destroyed and the client is finishing up - // ASSERT(!"Writing to an unknown socket"); -} - - - - - -//////////////////////////////////////////////////////////////////////////////// -// cSocketThreads::cSocketThread: - -cSocketThreads::cSocketThread::cSocketThread(cSocketThreads * a_Parent) : - cIsThread("cSocketThread"), - m_Parent(a_Parent), - m_NumSlots(0) -{ - // Nothing needed yet -} - - - - - -cSocketThreads::cSocketThread::~cSocketThread() -{ - m_ShouldTerminate = true; - - // Notify the thread: - ASSERT(m_ControlSocket2.IsValid()); - m_ControlSocket2.Send("a", 1); - - // Wait for the thread to finish: - Wait(); - - // Close the control sockets: - m_ControlSocket1.CloseSocket(); - m_ControlSocket2.CloseSocket(); -} - - - - - -void cSocketThreads::cSocketThread::AddClient(const cSocket & a_Socket, cCallback * a_Client) -{ - ASSERT(m_Parent->m_CS.IsLockedByCurrentThread()); - ASSERT(m_NumSlots < MAX_SLOTS); // Use HasEmptySlot() to check before adding - - m_Slots[m_NumSlots].m_Client = a_Client; - m_Slots[m_NumSlots].m_Socket = a_Socket; - m_Slots[m_NumSlots].m_Socket.SetNonBlocking(); - m_Slots[m_NumSlots].m_Outgoing.clear(); - m_Slots[m_NumSlots].m_State = sSlot::ssNormal; - m_NumSlots++; - - // Notify the thread of the change: - ASSERT(m_ControlSocket2.IsValid()); - m_ControlSocket2.Send("a", 1); -} - - - - - -bool cSocketThreads::cSocketThread::RemoveClient(const cCallback * a_Client) -{ - ASSERT(m_Parent->m_CS.IsLockedByCurrentThread()); - - if (m_NumSlots == 0) - { - return false; - } - - for (int i = m_NumSlots - 1; i >= 0 ; --i) - { - if (m_Slots[i].m_Client != a_Client) - { - continue; - } - - // Found the slot: - if (m_Slots[i].m_State == sSlot::ssRemoteClosed) - { - // The remote has already closed the socket, remove the slot altogether: - if (m_Slots[i].m_Socket.IsValid()) - { - m_Slots[i].m_Socket.CloseSocket(); - } - m_Slots[i] = m_Slots[--m_NumSlots]; - } - else - { - // Query and queue the last batch of outgoing data: - AString Data; - m_Slots[i].m_Client->GetOutgoingData(Data); - m_Slots[i].m_Outgoing.append(Data); - if (m_Slots[i].m_Outgoing.empty()) - { - // No more outgoing data, shut the socket down immediately: - m_Slots[i].m_Socket.ShutdownReadWrite(); - m_Slots[i].m_State = sSlot::ssShuttingDown; - } - else - { - // More data to send, shut down reading and wait for the rest to get sent: - m_Slots[i].m_State = sSlot::ssWritingRestOut; - } - m_Slots[i].m_Client = nullptr; - } - - // Notify the thread of the change: - ASSERT(m_ControlSocket2.IsValid()); - m_ControlSocket2.Send("r", 1); - return true; - } // for i - m_Slots[] - - // Not found - return false; -} - - - - - -bool cSocketThreads::cSocketThread::HasClient(const cCallback * a_Client) const -{ - ASSERT(m_Parent->m_CS.IsLockedByCurrentThread()); - - for (int i = m_NumSlots - 1; i >= 0; --i) - { - if (m_Slots[i].m_Client == a_Client) - { - return true; - } - } // for i - m_Slots[] - return false; -} - - - - - -bool cSocketThreads::cSocketThread::HasSocket(const cSocket * a_Socket) const -{ - for (int i = m_NumSlots - 1; i >= 0; --i) - { - if (m_Slots[i].m_Socket == *a_Socket) - { - return true; - } - } // for i - m_Slots[] - return false; -} - - - - - -bool cSocketThreads::cSocketThread::NotifyWrite(const cCallback * a_Client) -{ - ASSERT(m_Parent->m_CS.IsLockedByCurrentThread()); - - if (HasClient(a_Client)) - { - // Notify the thread that there's another packet in the queue: - ASSERT(m_ControlSocket2.IsValid()); - m_ControlSocket2.Send("q", 1); - return true; - } - return false; -} - - - - - -bool cSocketThreads::cSocketThread::Write(const cCallback * a_Client, const AString & a_Data) -{ - ASSERT(m_Parent->m_CS.IsLockedByCurrentThread()); - for (int i = m_NumSlots - 1; i >= 0; --i) - { - if (m_Slots[i].m_Client == a_Client) - { - m_Slots[i].m_Outgoing.append(a_Data); - - // Notify the thread that there's data in the queue: - ASSERT(m_ControlSocket2.IsValid()); - m_ControlSocket2.Send("q", 1); - - return true; - } - } // for i - m_Slots[] - return false; -} - - - - - -bool cSocketThreads::cSocketThread::Start(void) -{ - // Create the control socket listener - m_ControlSocket2 = cSocket::CreateSocket(cSocket::IPv4); - if (!m_ControlSocket2.IsValid()) - { - LOGERROR("Cannot create a Control socket for a cSocketThread (\"%s\"); continuing, but server may be unreachable from now on.", cSocket::GetLastErrorString().c_str()); - return false; - } - if (!m_ControlSocket2.BindToLocalhostIPv4(cSocket::ANY_PORT)) - { - LOGERROR("Cannot bind a Control socket for a cSocketThread (\"%s\"); continuing, but server may be unreachable from now on.", cSocket::GetLastErrorString().c_str()); - m_ControlSocket2.CloseSocket(); - return false; - } - if (!m_ControlSocket2.Listen(1)) - { - LOGERROR("Cannot listen on a Control socket for a cSocketThread (\"%s\"); continuing, but server may be unreachable from now on.", cSocket::GetLastErrorString().c_str()); - m_ControlSocket2.CloseSocket(); - return false; - } - if (m_ControlSocket2.GetPort() == 0) - { - LOGERROR("Cannot determine Control socket port (\"%s\"); conitnuing, but the server may be unreachable from now on.", cSocket::GetLastErrorString().c_str()); - m_ControlSocket2.CloseSocket(); - return false; - } - - // Start the thread - if (!super::Start()) - { - LOGERROR("Cannot start new cSocketThread"); - m_ControlSocket2.CloseSocket(); - return false; - } - - // Finish connecting the control socket by accepting connection from the thread's socket - cSocket tmp = m_ControlSocket2.AcceptIPv4(); - if (!tmp.IsValid()) - { - LOGERROR("Cannot link Control sockets for a cSocketThread (\"%s\"); continuing, but server may be unreachable from now on.", cSocket::GetLastErrorString().c_str()); - m_ControlSocket2.CloseSocket(); - return false; - } - m_ControlSocket2.CloseSocket(); - m_ControlSocket2 = tmp; - - return true; -} - - - - - -void cSocketThreads::cSocketThread::Execute(void) -{ - // Connect the "client" part of the Control socket: - m_ControlSocket1 = cSocket::CreateSocket(cSocket::IPv4); - ASSERT(m_ControlSocket2.GetPort() != 0); // We checked in the Start() method, but let's be sure - if (!m_ControlSocket1.ConnectToLocalhostIPv4(m_ControlSocket2.GetPort())) - { - LOGERROR("Cannot connect Control sockets for a cSocketThread (\"%s\"); continuing, but the server may be unreachable from now on.", cSocket::GetLastErrorString().c_str()); - m_ControlSocket2.CloseSocket(); - return; - } - - // The main thread loop: - while (!m_ShouldTerminate) - { - // Read outgoing data from the clients: - QueueOutgoingData(); - - // Put sockets into the sets - fd_set fdRead; - fd_set fdWrite; - cSocket::xSocket Highest = m_ControlSocket1.GetSocket(); - PrepareSets(&fdRead, &fdWrite, Highest); - - // Wait for the sockets: - timeval Timeout; - Timeout.tv_sec = 5; - Timeout.tv_usec = 0; - if (select((int)Highest + 1, &fdRead, &fdWrite, nullptr, &Timeout) == -1) - { - LOG("select() call failed in cSocketThread: \"%s\"", cSocket::GetLastErrorString().c_str()); - continue; - } - - // Perform the IO: - ReadFromSockets(&fdRead); - WriteToSockets(&fdWrite); - CleanUpShutSockets(); - } // while (!mShouldTerminate) -} - - - - - -void cSocketThreads::cSocketThread::PrepareSets(fd_set * a_Read, fd_set * a_Write, cSocket::xSocket & a_Highest) -{ - FD_ZERO(a_Read); - FD_ZERO(a_Write); - FD_SET(m_ControlSocket1.GetSocket(), a_Read); - - cCSLock Lock(m_Parent->m_CS); - for (int i = m_NumSlots - 1; i >= 0; --i) - { - if (!m_Slots[i].m_Socket.IsValid()) - { - continue; - } - if (m_Slots[i].m_State == sSlot::ssRemoteClosed) - { - // This socket won't provide nor consume any data anymore, don't put it in the Set - continue; - } - cSocket::xSocket s = m_Slots[i].m_Socket.GetSocket(); - FD_SET(s, a_Read); - if (s > a_Highest) - { - a_Highest = s; - } - if (!m_Slots[i].m_Outgoing.empty()) - { - // There's outgoing data for the socket, put it in the Write set - FD_SET(s, a_Write); - } - } // for i - m_Slots[] -} - - - - - -void cSocketThreads::cSocketThread::ReadFromSockets(fd_set * a_Read) -{ - // Read on available sockets: - - // Reset Control socket state: - if (FD_ISSET(m_ControlSocket1.GetSocket(), a_Read)) - { - char Dummy[128]; - m_ControlSocket1.Receive(Dummy, sizeof(Dummy), 0); - } - - // Read from clients: - cCSLock Lock(m_Parent->m_CS); - for (int i = m_NumSlots - 1; i >= 0; --i) - { - cSocket::xSocket Socket = m_Slots[i].m_Socket.GetSocket(); - if (!cSocket::IsValidSocket(Socket) || !FD_ISSET(Socket, a_Read)) - { - continue; - } - char Buffer[1024]; - int Received = m_Slots[i].m_Socket.Receive(Buffer, ARRAYCOUNT(Buffer), 0); - if (Received <= 0) - { - if (cSocket::GetLastError() != cSocket::ErrWouldBlock) - { - // The socket has been closed by the remote party - switch (m_Slots[i].m_State) - { - case sSlot::ssNormal: - { - // Close the socket on our side: - m_Slots[i].m_State = sSlot::ssRemoteClosed; - m_Slots[i].m_Socket.CloseSocket(); - - // Notify the callback that the remote has closed the socket, *after* removing the socket: - cCallback * client = m_Slots[i].m_Client; - m_Slots[i] = m_Slots[--m_NumSlots]; - if (client != nullptr) - { - client->SocketClosed(); - } - break; - } - case sSlot::ssWritingRestOut: - case sSlot::ssShuttingDown: - case sSlot::ssShuttingDown2: - { - // Force-close the socket and remove the slot: - m_Slots[i].m_Socket.CloseSocket(); - m_Slots[i] = m_Slots[--m_NumSlots]; - break; - } - default: - { - LOG("%s: Unexpected socket state: %d (%s)", - __FUNCTION__, m_Slots[i].m_Socket.GetSocket(), m_Slots[i].m_Socket.GetIPString().c_str() - ); - ASSERT(!"Unexpected socket state"); - break; - } - } // switch (m_Slots[i].m_State) - } - } - else - { - if (m_Slots[i].m_Client != nullptr) - { - m_Slots[i].m_Client->DataReceived(Buffer, Received); - } - } - } // for i - m_Slots[] -} - - - - - -void cSocketThreads::cSocketThread::WriteToSockets(fd_set * a_Write) -{ - // Write to available client sockets: - cCSLock Lock(m_Parent->m_CS); - for (int i = m_NumSlots - 1; i >= 0; --i) - { - cSocket::xSocket Socket = m_Slots[i].m_Socket.GetSocket(); - if (!cSocket::IsValidSocket(Socket) || !FD_ISSET(Socket, a_Write)) - { - continue; - } - if (m_Slots[i].m_Outgoing.empty()) - { - // Request another chunk of outgoing data: - if (m_Slots[i].m_Client != nullptr) - { - AString Data; - m_Slots[i].m_Client->GetOutgoingData(Data); - m_Slots[i].m_Outgoing.append(Data); - } - if (m_Slots[i].m_Outgoing.empty()) - { - // No outgoing data is ready - if (m_Slots[i].m_State == sSlot::ssWritingRestOut) - { - m_Slots[i].m_State = sSlot::ssShuttingDown; - m_Slots[i].m_Socket.ShutdownReadWrite(); - } - continue; - } - } // if (outgoing data is empty) - - if (m_Slots[i].m_State == sSlot::ssRemoteClosed) - { - continue; - } - - if (!SendDataThroughSocket(m_Slots[i].m_Socket, m_Slots[i].m_Outgoing)) - { - int Err = cSocket::GetLastError(); - LOGWARNING("Error %d while writing to client \"%s\", disconnecting. \"%s\"", Err, m_Slots[i].m_Socket.GetIPString().c_str(), GetOSErrorString(Err).c_str()); - m_Slots[i].m_Socket.CloseSocket(); - if (m_Slots[i].m_Client != nullptr) - { - m_Slots[i].m_Client->SocketClosed(); - } - continue; - } - - if (m_Slots[i].m_Outgoing.empty() && (m_Slots[i].m_State == sSlot::ssWritingRestOut)) - { - m_Slots[i].m_State = sSlot::ssShuttingDown; - m_Slots[i].m_Socket.ShutdownReadWrite(); - } - - // _X: If there's data left, it means the client is not reading fast enough, the server would unnecessarily spin in the main loop with zero actions taken; so signalling is disabled - // This means that if there's data left, it will be sent only when there's incoming data or someone queues another packet (for any socket handled by this thread) - /* - // If there's any data left, signalize the Control socket: - if (!m_Slots[i].m_Outgoing.empty()) - { - ASSERT(m_ControlSocket2.IsValid()); - m_ControlSocket2.Send("q", 1); - } - */ - } // for i - m_Slots[i] -} - - - - - -bool cSocketThreads::cSocketThread::SendDataThroughSocket(cSocket & a_Socket, AString & a_Data) -{ - // Send data in smaller chunks, so that the OS send buffers aren't overflown easily - while (!a_Data.empty()) - { - size_t NumToSend = std::min(a_Data.size(), (size_t)1024); - int Sent = a_Socket.Send(a_Data.data(), NumToSend); - if (Sent < 0) - { - int Err = cSocket::GetLastError(); - if (Err == cSocket::ErrWouldBlock) - { - // The OS send buffer is full, leave the outgoing data for the next time - return true; - } - // An error has occured - return false; - } - if (Sent == 0) - { - a_Socket.CloseSocket(); - return true; - } - a_Data.erase(0, Sent); - } - return true; -} - - - - - -void cSocketThreads::cSocketThread::CleanUpShutSockets(void) -{ - cCSLock Lock(m_Parent->m_CS); - for (int i = m_NumSlots - 1; i >= 0; i--) - { - switch (m_Slots[i].m_State) - { - case sSlot::ssShuttingDown2: - { - // The socket has reached the shutdown timeout, close it and clear its slot: - m_Slots[i].m_Socket.CloseSocket(); - m_Slots[i] = m_Slots[--m_NumSlots]; - break; - } - case sSlot::ssShuttingDown: - { - // The socket has been shut down for a single thread loop, let it loop once more before closing: - m_Slots[i].m_State = sSlot::ssShuttingDown2; - break; - } - default: break; - } - } // for i - m_Slots[] -} - - - - -void cSocketThreads::cSocketThread::QueueOutgoingData(void) -{ - cCSLock Lock(m_Parent->m_CS); - for (int i = 0; i < m_NumSlots; i++) - { - if (m_Slots[i].m_Client != nullptr) - { - AString Data; - m_Slots[i].m_Client->GetOutgoingData(Data); - m_Slots[i].m_Outgoing.append(Data); - } - if (m_Slots[i].m_Outgoing.empty()) - { - // No outgoing data is ready - if (m_Slots[i].m_State == sSlot::ssWritingRestOut) - { - // The socket doesn't want to be kept alive anymore, and doesn't have any remaining data to send. - // Shut it down and then close it after a timeout, or when the other side agrees - m_Slots[i].m_State = sSlot::ssShuttingDown; - m_Slots[i].m_Socket.ShutdownReadWrite(); - } - continue; - } - } -} - - - - diff --git a/src/OSSupport/SocketThreads.h b/src/OSSupport/SocketThreads.h deleted file mode 100644 index df819468d..000000000 --- a/src/OSSupport/SocketThreads.h +++ /dev/null @@ -1,194 +0,0 @@ - -// SocketThreads.h - -// Interfaces to the cSocketThreads class representing the heart of MCS's client networking. -// This object takes care of network communication, groups sockets into threads and uses as little threads as possible for full read / write support -// For more detail, see http://forum.mc-server.org/showthread.php?tid=327 - -/* -Additional details: -When a client wants to terminate the connection, they call the RemoveClient() function. This calls the -callback one last time to read all the available outgoing data, putting it in the slot's m_OutgoingData -buffer. Then it marks the slot as having no callback. The socket is kept alive until its outgoing data -queue is empty, then shutdown is called on it and finally the socket is closed after a timeout. -If at any time within this the remote end closes the socket, then the socket is closed directly. -As soon as the socket is closed, the slot is finally removed from the SocketThread. -The graph in $/docs/SocketThreads States.gv shows the state-machine transitions of the slot. -*/ - - - - - -/** How many clients should one thread handle? (must be less than FD_SETSIZE for your platform) */ -#define MAX_SLOTS 63 - - - - - -#pragma once - -#include "Socket.h" -#include "IsThread.h" - - - - -// Check MAX_SLOTS: -#if MAX_SLOTS >= FD_SETSIZE - #error "MAX_SLOTS must be less than FD_SETSIZE for your platform! (otherwise select() won't work)" -#endif - - - - - -// fwd: -class cSocket; -class cClientHandle; - - - - - -class cSocketThreads -{ -public: - - // Clients of cSocketThreads must implement this interface to be able to communicate - class cCallback - { - public: - // Force a virtual destructor in all subclasses: - virtual ~cCallback() {} - - /** Called when data is received from the remote party. - SocketThreads does not care about the return value, others can use it for their specific purpose - - for example HTTPServer uses it to signal if the connection was terminated as a result of the data received. */ - virtual bool DataReceived(const char * a_Data, size_t a_Size) = 0; - - /** Called when data can be sent to remote party - The function is supposed to *set* outgoing data to a_Data (overwrite) */ - virtual void GetOutgoingData(AString & a_Data) = 0; - - /** Called when the socket has been closed for any reason */ - virtual void SocketClosed(void) = 0; - } ; - - - cSocketThreads(void); - ~cSocketThreads(); - - /** Add a (socket, client) pair for processing, data from a_Socket is to be sent to a_Client; returns true if successful */ - bool AddClient(const cSocket & a_Socket, cCallback * a_Client); - - /** Remove the associated socket and the client from processing. - The socket is left to send its last outgoing data and is removed only after all its m_Outgoing is sent - and after the socket is properly shutdown (unless the remote disconnects before that) - */ - void RemoveClient(const cCallback * a_Client); - - /** Notify the thread responsible for a_Client that the client has something to write */ - void NotifyWrite(const cCallback * a_Client); - - /** Puts a_Data into outgoing data queue for a_Client */ - void Write(const cCallback * a_Client, const AString & a_Data); - -private: - - class cSocketThread : - public cIsThread - { - typedef cIsThread super; - - public: - - cSocketThread(cSocketThreads * a_Parent); - virtual ~cSocketThread(); - - // All these methods assume parent's m_CS is locked - bool HasEmptySlot(void) const {return m_NumSlots < MAX_SLOTS; } - bool IsEmpty (void) const {return m_NumSlots == 0; } - - void AddClient (const cSocket & a_Socket, cCallback * a_Client); // Takes ownership of the socket - bool RemoveClient(const cCallback * a_Client); // Returns true if removed, false if not found - bool HasClient (const cCallback * a_Client) const; - bool HasSocket (const cSocket * a_Socket) const; - bool NotifyWrite (const cCallback * a_Client); // Returns true if client handled by this thread - bool Write (const cCallback * a_Client, const AString & a_Data); // Returns true if client handled by this thread - - bool Start(void); // Hide the cIsThread's Start method, we need to provide our own startup to create the control socket - - bool IsValid(void) const {return m_ControlSocket2.IsValid(); } // If the Control socket dies, the thread is not valid anymore - - private: - - cSocketThreads * m_Parent; - - // Two ends of the control socket, the first is select()-ed, the second is written to for notifications - cSocket m_ControlSocket1; - cSocket m_ControlSocket2; - - // Socket-client-dataqueues-state quadruplets. - // Manipulation with these assumes that the parent's m_CS is locked - struct sSlot - { - /** The socket is primarily owned by this object */ - cSocket m_Socket; - - /** The callback to call for events. May be nullptr */ - cCallback * m_Client; - - /** If sending writes only partial data, the rest is stored here for another send. - Also used when the slot is being removed to store the last batch of outgoing data. */ - AString m_Outgoing; - - enum eState - { - ssNormal, ///< Normal read / write operations - ssWritingRestOut, ///< The client callback was removed, continue to send outgoing data - ssShuttingDown, ///< The last outgoing data has been sent, the socket has called shutdown() - ssShuttingDown2, ///< The shutdown has been done at least 1 thread loop ago (timeout detection) - ssRemoteClosed, ///< The remote end has closed the connection (and we still have a client callback) - } m_State; - } ; - - sSlot m_Slots[MAX_SLOTS]; - int m_NumSlots; // Number of slots actually used - - virtual void Execute(void) override; - - /** Prepares the Read and Write socket sets for select() - Puts all sockets into the read set, along with m_ControlSocket1. - Only sockets that have outgoing data queued on them are put in the write set.*/ - void PrepareSets(fd_set * a_ReadSet, fd_set * a_WriteSet, cSocket::xSocket & a_Highest); - - /** Reads from sockets indicated in a_Read */ - void ReadFromSockets(fd_set * a_Read); - - /** Writes to sockets indicated in a_Write */ - void WriteToSockets (fd_set * a_Write); - - /** Sends data through the specified socket, trying to fill the OS send buffer in chunks. - Returns true if there was no error while sending, false if an error has occured. - Modifies a_Data to contain only the unsent data. */ - bool SendDataThroughSocket(cSocket & a_Socket, AString & a_Data); - - /** Removes those slots in ssShuttingDown2 state, sets those with ssShuttingDown state to ssShuttingDown2 */ - void CleanUpShutSockets(void); - - /** Calls each client's callback to retrieve outgoing data for that client. */ - void QueueOutgoingData(void); - } ; - - typedef std::list<cSocketThread *> cSocketThreadList; - - - cCriticalSection m_CS; - cSocketThreadList m_Threads; -} ; - - - - diff --git a/src/OSSupport/TCPLinkImpl.cpp b/src/OSSupport/TCPLinkImpl.cpp index b4cefa60c..f97db7582 100644 --- a/src/OSSupport/TCPLinkImpl.cpp +++ b/src/OSSupport/TCPLinkImpl.cpp @@ -17,8 +17,9 @@ cTCPLinkImpl::cTCPLinkImpl(cTCPLink::cCallbacksPtr a_LinkCallbacks): super(a_LinkCallbacks), - m_BufferEvent(bufferevent_socket_new(cNetworkSingleton::Get().GetEventBase(), -1, BEV_OPT_CLOSE_ON_FREE)) + m_BufferEvent(bufferevent_socket_new(cNetworkSingleton::Get().GetEventBase(), -1, BEV_OPT_CLOSE_ON_FREE | BEV_OPT_THREADSAFE)) { + LOGD("Created new cTCPLinkImpl at %p with BufferEvent at %p", this, m_BufferEvent); } @@ -27,9 +28,11 @@ cTCPLinkImpl::cTCPLinkImpl(cTCPLink::cCallbacksPtr a_LinkCallbacks): cTCPLinkImpl::cTCPLinkImpl(evutil_socket_t a_Socket, cTCPLink::cCallbacksPtr a_LinkCallbacks, cServerHandleImplPtr a_Server, const sockaddr * a_Address, socklen_t a_AddrLen): super(a_LinkCallbacks), - m_BufferEvent(bufferevent_socket_new(cNetworkSingleton::Get().GetEventBase(), a_Socket, BEV_OPT_CLOSE_ON_FREE)), + m_BufferEvent(bufferevent_socket_new(cNetworkSingleton::Get().GetEventBase(), a_Socket, BEV_OPT_CLOSE_ON_FREE | BEV_OPT_THREADSAFE)), m_Server(a_Server) { + LOGD("Created new cTCPLinkImpl at %p with BufferEvent at %p", this, m_BufferEvent); + // Update the endpoint addresses: UpdateLocalAddress(); UpdateAddress(a_Address, a_AddrLen, m_RemoteIP, m_RemotePort); @@ -41,6 +44,7 @@ cTCPLinkImpl::cTCPLinkImpl(evutil_socket_t a_Socket, cTCPLink::cCallbacksPtr a_L cTCPLinkImpl::~cTCPLinkImpl() { + LOGD("Deleting cTCPLinkImpl at %p with BufferEvent at %p", this, m_BufferEvent); bufferevent_free(m_BufferEvent); } @@ -179,6 +183,8 @@ void cTCPLinkImpl::ReadCallback(bufferevent * a_BufferEvent, void * a_Self) void cTCPLinkImpl::EventCallback(bufferevent * a_BufferEvent, short a_What, void * a_Self) { + LOGD("cTCPLink event callback for link %p, BEV %p; what = 0x%02x", a_Self, a_BufferEvent, a_What); + ASSERT(a_Self != nullptr); cTCPLinkImplPtr Self = static_cast<cTCPLinkImpl *>(a_Self)->m_Self; diff --git a/src/PolarSSL++/BlockingSslClientSocket.cpp b/src/PolarSSL++/BlockingSslClientSocket.cpp index 59e1281ac..821125b31 100644 --- a/src/PolarSSL++/BlockingSslClientSocket.cpp +++ b/src/PolarSSL++/BlockingSslClientSocket.cpp @@ -10,6 +10,80 @@ +//////////////////////////////////////////////////////////////////////////////// +// cBlockingSslClientSocketConnectCallbacks: + +class cBlockingSslClientSocketConnectCallbacks: + public cNetwork::cConnectCallbacks +{ + /** The socket object that is using this instance of the callbacks. */ + cBlockingSslClientSocket & m_Socket; + + virtual void OnConnected(cTCPLink & a_Link) override + { + m_Socket.OnConnected(); + } + + virtual void OnError(int a_ErrorCode, const AString & a_ErrorMsg) override + { + m_Socket.OnConnectError(a_ErrorMsg); + } + +public: + cBlockingSslClientSocketConnectCallbacks(cBlockingSslClientSocket & a_Socket): + m_Socket(a_Socket) + { + } +}; + + + + + +//////////////////////////////////////////////////////////////////////////////// +// cBlockingSslClientSocketLinkCallbacks: + +class cBlockingSslClientSocketLinkCallbacks: + public cTCPLink::cCallbacks +{ + cBlockingSslClientSocket & m_Socket; + + virtual void OnLinkCreated(cTCPLinkPtr a_Link) override + { + m_Socket.SetLink(a_Link); + } + + + virtual void OnReceivedData(const char * a_Data, size_t a_Length) + { + m_Socket.OnReceivedData(a_Data, a_Length); + } + + + virtual void OnRemoteClosed(void) + { + m_Socket.OnDisconnected(); + } + + + virtual void OnError(int a_ErrorCode, const AString & a_ErrorMsg) + { + m_Socket.OnDisconnected(); + } +public: + cBlockingSslClientSocketLinkCallbacks(cBlockingSslClientSocket & a_Socket): + m_Socket(a_Socket) + { + } +}; + + + + + +//////////////////////////////////////////////////////////////////////////////// +// cBlockingSslClientSocket: + cBlockingSslClientSocket::cBlockingSslClientSocket(void) : m_Ssl(*this), m_IsConnected(false) @@ -32,10 +106,19 @@ bool cBlockingSslClientSocket::Connect(const AString & a_ServerName, UInt16 a_Po } // Connect the underlying socket: - m_Socket.CreateSocket(cSocket::IPv4); - if (!m_Socket.ConnectIPv4(a_ServerName.c_str(), a_Port)) + m_ServerName = a_ServerName; + if (!cNetwork::Connect(a_ServerName, a_Port, + std::make_shared<cBlockingSslClientSocketConnectCallbacks>(*this), + std::make_shared<cBlockingSslClientSocketLinkCallbacks>(*this)) + ) + { + return false; + } + + // Wait for the connection to succeed or fail: + m_Event.Wait(); + if (!m_IsConnected) { - Printf(m_LastErrorText, "Socket connect failed: %s", m_Socket.GetLastErrorString().c_str()); return false; } @@ -102,7 +185,7 @@ bool cBlockingSslClientSocket::Send(const void * a_Data, size_t a_NumBytes) ASSERT(m_IsConnected); // Keep sending the data until all of it is sent: - const char * Data = (const char *)a_Data; + const char * Data = reinterpret_cast<const char *>(a_Data); size_t NumBytes = a_NumBytes; for (;;) { @@ -156,7 +239,8 @@ void cBlockingSslClientSocket::Disconnect(void) } m_Ssl.NotifyClose(); - m_Socket.CloseSocket(); + m_Socket->Close(); + m_Socket.reset(); m_IsConnected = false; } @@ -166,13 +250,25 @@ void cBlockingSslClientSocket::Disconnect(void) int cBlockingSslClientSocket::ReceiveEncrypted(unsigned char * a_Buffer, size_t a_NumBytes) { - int res = m_Socket.Receive((char *)a_Buffer, a_NumBytes, 0); - if (res < 0) + // Wait for any incoming data, if there is none: + cCSLock Lock(m_CSIncomingData); + while (m_IsConnected && m_IncomingData.empty()) + { + cCSUnlock Unlock(Lock); + m_Event.Wait(); + } + + // If we got disconnected, report an error after processing all data: + if (!m_IsConnected && m_IncomingData.empty()) { - // PolarSSL's net routines distinguish between connection reset and general failure, we don't need to return POLARSSL_ERR_NET_RECV_FAILED; } - return res; + + // Copy the data from the incoming buffer into the specified space: + size_t NumToCopy = std::min(a_NumBytes, m_IncomingData.size()); + memcpy(a_Buffer, m_IncomingData.data(), NumToCopy); + m_IncomingData.erase(0, NumToCopy); + return static_cast<int>(NumToCopy); } @@ -181,13 +277,69 @@ int cBlockingSslClientSocket::ReceiveEncrypted(unsigned char * a_Buffer, size_t int cBlockingSslClientSocket::SendEncrypted(const unsigned char * a_Buffer, size_t a_NumBytes) { - int res = m_Socket.Send((const char *)a_Buffer, a_NumBytes); - if (res < 0) + cTCPLinkPtr Socket(m_Socket); // Make a copy so that multiple threads don't race on deleting the socket. + if (Socket == nullptr) + { + return POLARSSL_ERR_NET_SEND_FAILED; + } + if (!Socket->Send(a_Buffer, a_NumBytes)) { // PolarSSL's net routines distinguish between connection reset and general failure, we don't need to return POLARSSL_ERR_NET_SEND_FAILED; } - return res; + return static_cast<int>(a_NumBytes); +} + + + + +void cBlockingSslClientSocket::OnConnected(void) +{ + m_IsConnected = true; + m_Event.Set(); +} + + + + + +void cBlockingSslClientSocket::OnConnectError(const AString & a_ErrorMsg) +{ + LOG("Cannot connect to %s: %s", m_ServerName.c_str(), a_ErrorMsg.c_str()); + m_Event.Set(); +} + + + + + +void cBlockingSslClientSocket::OnReceivedData(const char * a_Data, size_t a_Size) +{ + { + cCSLock Lock(m_CSIncomingData); + m_IncomingData.append(a_Data, a_Size); + } + m_Event.Set(); +} + + + + + +void cBlockingSslClientSocket::SetLink(cTCPLinkPtr a_Link) +{ + m_Socket = a_Link; +} + + + + + +void cBlockingSslClientSocket::OnDisconnected(void) +{ + m_Socket.reset(); + m_IsConnected = false; + m_Event.Set(); } diff --git a/src/PolarSSL++/BlockingSslClientSocket.h b/src/PolarSSL++/BlockingSslClientSocket.h index 7af897582..319e82bf2 100644 --- a/src/PolarSSL++/BlockingSslClientSocket.h +++ b/src/PolarSSL++/BlockingSslClientSocket.h @@ -9,8 +9,8 @@ #pragma once +#include "OSSupport/Network.h" #include "CallbackSslContext.h" -#include "../OSSupport/Socket.h" @@ -51,25 +51,56 @@ public: const AString & GetLastErrorText(void) const { return m_LastErrorText; } protected: + friend class cBlockingSslClientSocketConnectCallbacks; + friend class cBlockingSslClientSocketLinkCallbacks; + /** The SSL context used for the socket */ cCallbackSslContext m_Ssl; /** The underlying socket to the SSL server */ - cSocket m_Socket; + cTCPLinkPtr m_Socket; + + /** The object used to signal state changes in the socket (the cause of the blocking). */ + cEvent m_Event; /** The trusted CA root cert store, if we are to verify the cert strictly. Set by SetTrustedRootCertsFromString(). */ cX509CertPtr m_CACerts; /** The expected SSL peer's name, if we are to verify the cert strictly. Set by SetTrustedRootCertsFromString(). */ AString m_ExpectedPeerName; + + /** The hostname to which the socket is connecting (stored for error reporting). */ + AString m_ServerName; /** Text of the last error that has occurred. */ AString m_LastErrorText; /** Set to true if the connection established successfully. */ bool m_IsConnected; + + /** Protects m_IncomingData against multithreaded access. */ + cCriticalSection m_CSIncomingData; + + /** Buffer for the data incoming on the network socket. + Protected by m_CSIncomingData. */ + AString m_IncomingData; + /** Called when the connection is established successfully. */ + void OnConnected(void); + + /** Called when an error occurs while connecting the socket. */ + void OnConnectError(const AString & a_ErrorMsg); + + /** Called when there's incoming data from the socket. */ + void OnReceivedData(const char * a_Data, size_t a_Size); + + /** Called when the link for the connection is created. */ + void SetLink(cTCPLinkPtr a_Link); + + /** Called when the link is disconnected, either gracefully or by an error. */ + void OnDisconnected(void); + // cCallbackSslContext::cDataCallbacks overrides: virtual int ReceiveEncrypted(unsigned char * a_Buffer, size_t a_NumBytes) override; virtual int SendEncrypted(const unsigned char * a_Buffer, size_t a_NumBytes) override; diff --git a/src/PolarSSL++/SslContext.cpp b/src/PolarSSL++/SslContext.cpp index 902267f90..66dfefc65 100644 --- a/src/PolarSSL++/SslContext.cpp +++ b/src/PolarSSL++/SslContext.cpp @@ -70,7 +70,7 @@ int cSslContext::Initialize(bool a_IsClient, const SharedPtr<cCtrDrbgContext> & // so they're disabled until someone needs them ssl_set_dbg(&m_Ssl, &SSLDebugMessage, this); ssl_set_verify(&m_Ssl, &SSLVerifyCert, this); - */ + //*/ /* // Set ciphersuite to the easiest one to decode, so that the connection can be wireshark-decoded: diff --git a/src/Protocol/Protocol18x.cpp b/src/Protocol/Protocol18x.cpp index 3c4e049bd..7d954a297 100644 --- a/src/Protocol/Protocol18x.cpp +++ b/src/Protocol/Protocol18x.cpp @@ -108,8 +108,17 @@ cProtocol180::cProtocol180(cClientHandle * a_Client, const AString & a_ServerAdd { static int sCounter = 0; cFile::CreateFolder("CommLogs"); - AString FileName = Printf("CommLogs/%x_%d__%s.log", (unsigned)time(nullptr), sCounter++, a_Client->GetIPString().c_str()); - m_CommLogFile.Open(FileName, cFile::fmWrite); + AString IP(a_Client->GetIPString()); + ReplaceString(IP, ":", "_"); + AString FileName = Printf("CommLogs/%x_%d__%s.log", + static_cast<unsigned>(time(nullptr)), + sCounter++, + IP.c_str() + ); + if (!m_CommLogFile.Open(FileName, cFile::fmWrite)) + { + LOG("Cannot log communication to file, the log file \"%s\" cannot be opened for writing.", FileName.c_str()); + } } } @@ -1659,7 +1668,7 @@ void cProtocol180::FixItemFramePositions(int a_ObjectData, double & a_PosX, doub void cProtocol180::AddReceivedData(const char * a_Data, size_t a_Size) { // Write the incoming data into the comm log file: - if (g_ShouldLogCommIn) + if (g_ShouldLogCommIn && m_CommLogFile.IsOpen()) { if (m_ReceivedData.GetReadableSpace() > 0) { @@ -1764,7 +1773,7 @@ void cProtocol180::AddReceivedData(const char * a_Data, size_t a_Size) bb.Write("\0", 1); // Log the packet info into the comm log file: - if (g_ShouldLogCommIn) + if (g_ShouldLogCommIn && m_CommLogFile.IsOpen()) { AString PacketData; bb.ReadAll(PacketData); @@ -1796,7 +1805,7 @@ void cProtocol180::AddReceivedData(const char * a_Data, size_t a_Size) #endif // _DEBUG // Put a message in the comm log: - if (g_ShouldLogCommIn) + if (g_ShouldLogCommIn && m_CommLogFile.IsOpen()) { m_CommLogFile.Printf("^^^^^^ Unhandled packet ^^^^^^\n\n\n"); } @@ -1813,7 +1822,7 @@ void cProtocol180::AddReceivedData(const char * a_Data, size_t a_Size) ); // Put a message in the comm log: - if (g_ShouldLogCommIn) + if (g_ShouldLogCommIn && m_CommLogFile.IsOpen()) { m_CommLogFile.Printf("^^^^^^ Wrong number of bytes read for this packet (exp %d left, got " SIZE_T_FMT " left) ^^^^^^\n\n\n", 1, bb.GetReadableSpace() @@ -1827,7 +1836,7 @@ void cProtocol180::AddReceivedData(const char * a_Data, size_t a_Size) } // for (ever) // Log any leftover bytes into the logfile: - if (g_ShouldLogCommIn && (m_ReceivedData.GetReadableSpace() > 0)) + if (g_ShouldLogCommIn && (m_ReceivedData.GetReadableSpace() > 0) && m_CommLogFile.IsOpen()) { AString AllData; size_t OldReadableSpace = m_ReceivedData.GetReadableSpace(); @@ -2798,7 +2807,7 @@ cProtocol180::cPacketizer::~cPacketizer() } // Log the comm into logfile: - if (g_ShouldLogCommOut) + if (g_ShouldLogCommOut && m_Protocol.m_CommLogFile.IsOpen()) { AString Hex; ASSERT(PacketData.size() > 0); diff --git a/src/RCONServer.cpp b/src/RCONServer.cpp index 49ca4fc61..685bd92f5 100644 --- a/src/RCONServer.cpp +++ b/src/RCONServer.cpp @@ -39,13 +39,50 @@ enum //////////////////////////////////////////////////////////////////////////////// +// cRCONListenCallbacks: + +class cRCONListenCallbacks: + public cNetwork::cListenCallbacks +{ +public: + cRCONListenCallbacks(cRCONServer & a_RCONServer, UInt16 a_Port): + m_RCONServer(a_RCONServer), + m_Port(a_Port) + { + } + +protected: + /** The RCON server instance that we're attached to. */ + cRCONServer & m_RCONServer; + + /** The port for which this instance is responsible. */ + UInt16 m_Port; + + // cNetwork::cListenCallbacks overrides: + virtual cTCPLink::cCallbacksPtr OnIncomingConnection(const AString & a_RemoteIPAddress, UInt16 a_RemotePort) override + { + LOG("RCON Client \"%s\" connected!", a_RemoteIPAddress.c_str()); + return std::make_shared<cRCONServer::cConnection>(m_RCONServer, a_RemoteIPAddress); + } + virtual void OnAccepted(cTCPLink & a_Link) override {} + virtual void OnError(int a_ErrorCode, const AString & a_ErrorMsg) override + { + LOGWARNING("RCON server error on port %d: %d (%s)", m_Port, a_ErrorCode, a_ErrorMsg.c_str()); + } +}; + + + + + +//////////////////////////////////////////////////////////////////////////////// // cRCONCommandOutput: class cRCONCommandOutput : public cCommandOutputCallback { public: - cRCONCommandOutput(cRCONServer::cConnection & a_Connection, int a_RequestID) : + cRCONCommandOutput(cRCONServer::cConnection & a_Connection, UInt32 a_RequestID) : m_Connection(a_Connection), m_RequestID(a_RequestID) { @@ -59,13 +96,13 @@ public: virtual void Finished(void) override { - m_Connection.SendResponse(m_RequestID, RCON_PACKET_RESPONSE, (int)m_Buffer.size(), m_Buffer.c_str()); + m_Connection.SendResponse(m_RequestID, RCON_PACKET_RESPONSE, static_cast<UInt32>(m_Buffer.size()), m_Buffer.c_str()); delete this; } protected: cRCONServer::cConnection & m_Connection; - int m_RequestID; + UInt32 m_RequestID; AString m_Buffer; } ; @@ -77,9 +114,7 @@ protected: // cRCONServer: cRCONServer::cRCONServer(cServer & a_Server) : - m_Server(a_Server), - m_ListenThread4(*this, cSocket::IPv4, "RCON"), - m_ListenThread6(*this, cSocket::IPv6, "RCON") + m_Server(a_Server) { } @@ -89,8 +124,10 @@ cRCONServer::cRCONServer(cServer & a_Server) : cRCONServer::~cRCONServer() { - m_ListenThread4.Stop(); - m_ListenThread6.Stop(); + for (auto srv: m_ListenServers) + { + srv->Close(); + } } @@ -112,24 +149,28 @@ void cRCONServer::Initialize(cIniFile & a_IniFile) return; } - // Read and initialize both IPv4 and IPv6 ports for RCON - bool HasAnyPorts = false; - AString Ports4 = a_IniFile.GetValueSet("RCON", "PortsIPv4", "25575"); - if (m_ListenThread4.Initialize(Ports4)) - { - HasAnyPorts = true; - m_ListenThread4.Start(); - } - AString Ports6 = a_IniFile.GetValueSet("RCON", "PortsIPv6", "25575"); - if (m_ListenThread6.Initialize(Ports6)) + // Read the listening ports for RCON from config: + AStringVector Ports = ReadUpgradeIniPorts(a_IniFile, "RCON", "Ports", "PortsIPv4", "PortsIPv6", "25575"); + + // Start listening on each specified port: + for (auto port: Ports) { - HasAnyPorts = true; - m_ListenThread6.Start(); + UInt16 PortNum; + if (!StringToInteger(port, PortNum)) + { + LOGINFO("Invalid RCON port value: \"%s\". Ignoring.", port.c_str()); + continue; + } + auto Handle = cNetwork::Listen(PortNum, std::make_shared<cRCONListenCallbacks>(*this, PortNum)); + if (Handle->IsListening()) + { + m_ListenServers.push_back(Handle); + } } - if (!HasAnyPorts) + + if (m_ListenServers.empty()) { - LOGWARNING("RCON is requested, but no ports are specified. Specify at least one port in PortsIPv4 or PortsIPv6. RCON is now disabled."); - return; + LOGWARNING("RCON is enabled but no valid ports were found. RCON is not accessible."); } } @@ -137,103 +178,92 @@ void cRCONServer::Initialize(cIniFile & a_IniFile) -void cRCONServer::OnConnectionAccepted(cSocket & a_Socket) -{ - if (!a_Socket.IsValid()) - { - return; - } +//////////////////////////////////////////////////////////////////////////////// +// cRCONServer::cConnection: - LOG("RCON Client \"%s\" connected!", a_Socket.GetIPString().c_str()); - - // Create a new cConnection object, it will be deleted when the connection is closed - m_SocketThreads.AddClient(a_Socket, new cConnection(*this, a_Socket)); +cRCONServer::cConnection::cConnection(cRCONServer & a_RCONServer, const AString & a_IPAddress) : + m_IsAuthenticated(false), + m_RCONServer(a_RCONServer), + m_IPAddress(a_IPAddress) +{ } -//////////////////////////////////////////////////////////////////////////////// -// cRCONServer::cConnection: - -cRCONServer::cConnection::cConnection(cRCONServer & a_RCONServer, cSocket & a_Socket) : - m_IsAuthenticated(false), - m_RCONServer(a_RCONServer), - m_Socket(a_Socket), - m_IPAddress(a_Socket.GetIPString()) +void cRCONServer::cConnection::OnLinkCreated(cTCPLinkPtr a_Link) { + m_Link = a_Link; } -bool cRCONServer::cConnection::DataReceived(const char * a_Data, size_t a_Size) +void cRCONServer::cConnection::OnReceivedData(const char * a_Data, size_t a_Size) { + ASSERT(m_Link != nullptr); + // Append data to the buffer: m_Buffer.append(a_Data, a_Size); // Process the packets in the buffer: while (m_Buffer.size() >= 14) { - int Length = IntFromBuffer(m_Buffer.data()); + UInt32 Length = UIntFromBuffer(m_Buffer.data()); if (Length > 1500) { // Too long, drop the connection LOGWARNING("Received an invalid RCON packet length (%d), dropping RCON connection to %s.", Length, m_IPAddress.c_str() ); - m_RCONServer.m_SocketThreads.RemoveClient(this); - m_Socket.CloseSocket(); - delete this; - return false; + m_Link->Close(); + m_Link.reset(); + return; } - if (Length > (int)(m_Buffer.size() + 4)) + if (Length > static_cast<UInt32>(m_Buffer.size() + 4)) { // Incomplete packet yet, wait for more data to come - return false; + return; } - int RequestID = IntFromBuffer(m_Buffer.data() + 4); - int PacketType = IntFromBuffer(m_Buffer.data() + 8); + UInt32 RequestID = UIntFromBuffer(m_Buffer.data() + 4); + UInt32 PacketType = UIntFromBuffer(m_Buffer.data() + 8); if (!ProcessPacket(RequestID, PacketType, Length - 10, m_Buffer.data() + 12)) { - m_RCONServer.m_SocketThreads.RemoveClient(this); - m_Socket.CloseSocket(); - delete this; - return false; + m_Link->Close(); + m_Link.reset(); + return; } m_Buffer.erase(0, Length + 4); } // while (m_Buffer.size() >= 14) - return false; } -void cRCONServer::cConnection::GetOutgoingData(AString & a_Data) +void cRCONServer::cConnection::OnRemoteClosed(void) { - a_Data.assign(m_Outgoing); - m_Outgoing.clear(); + m_Link.reset(); } -void cRCONServer::cConnection::SocketClosed(void) +void cRCONServer::cConnection::OnError(int a_ErrorCode, const AString & a_ErrorMsg) { - m_RCONServer.m_SocketThreads.RemoveClient(this); - delete this; + LOGD("Error in RCON connection %s: %d (%s)", m_IPAddress.c_str(), a_ErrorCode, a_ErrorMsg.c_str()); + m_Link.reset(); } -bool cRCONServer::cConnection::ProcessPacket(int a_RequestID, int a_PacketType, int a_PayloadLength, const char * a_Payload) +bool cRCONServer::cConnection::ProcessPacket(UInt32 a_RequestID, UInt32 a_PacketType, UInt32 a_PayloadLength, const char * a_Payload) { switch (a_PacketType) { @@ -242,7 +272,7 @@ bool cRCONServer::cConnection::ProcessPacket(int a_RequestID, int a_PacketType, if (strncmp(a_Payload, m_RCONServer.m_Password.c_str(), a_PayloadLength) != 0) { LOGINFO("RCON: Invalid password from client %s, dropping connection.", m_IPAddress.c_str()); - SendResponse(-1, RCON_PACKET_RESPONSE, 0, nullptr); + SendResponse(0xffffffffU, RCON_PACKET_RESPONSE, 0, nullptr); return false; } m_IsAuthenticated = true; @@ -284,23 +314,22 @@ bool cRCONServer::cConnection::ProcessPacket(int a_RequestID, int a_PacketType, -/// Reads 4 bytes from a_Buffer and returns the int they represent -int cRCONServer::cConnection::IntFromBuffer(const char * a_Buffer) +UInt32 cRCONServer::cConnection::UIntFromBuffer(const char * a_Buffer) { - return ((unsigned char)a_Buffer[3] << 24) | ((unsigned char)a_Buffer[2] << 16) | ((unsigned char)a_Buffer[1] << 8) | (unsigned char)a_Buffer[0]; + const Byte * Buffer = reinterpret_cast<const Byte *>(a_Buffer); + return (Buffer[3] << 24) | (Buffer[2] << 16) | (Buffer[1] << 8) | Buffer[0]; } -/// Puts 4 bytes representing the int into the buffer -void cRCONServer::cConnection::IntToBuffer(int a_Value, char * a_Buffer) +void cRCONServer::cConnection::UIntToBuffer(UInt32 a_Value, char * a_Buffer) { - a_Buffer[0] = a_Value & 0xff; - a_Buffer[1] = (a_Value >> 8) & 0xff; - a_Buffer[2] = (a_Value >> 16) & 0xff; - a_Buffer[3] = (a_Value >> 24) & 0xff; + a_Buffer[0] = static_cast<char>(a_Value & 0xff); + a_Buffer[1] = static_cast<char>((a_Value >> 8) & 0xff); + a_Buffer[2] = static_cast<char>((a_Value >> 16) & 0xff); + a_Buffer[3] = static_cast<char>((a_Value >> 24) & 0xff); } @@ -308,25 +337,22 @@ void cRCONServer::cConnection::IntToBuffer(int a_Value, char * a_Buffer) /// Sends a RCON packet back to the client -void cRCONServer::cConnection::SendResponse(int a_RequestID, int a_PacketType, int a_PayloadLength, const char * a_Payload) +void cRCONServer::cConnection::SendResponse(UInt32 a_RequestID, UInt32 a_PacketType, UInt32 a_PayloadLength, const char * a_Payload) { ASSERT((a_PayloadLength == 0) || (a_Payload != nullptr)); // Either zero data to send, or a valid payload ptr + ASSERT(m_Link != nullptr); - char Buffer[4]; - int Length = a_PayloadLength + 10; - IntToBuffer(Length, Buffer); - m_Outgoing.append(Buffer, 4); - IntToBuffer(a_RequestID, Buffer); - m_Outgoing.append(Buffer, 4); - IntToBuffer(a_PacketType, Buffer); - m_Outgoing.append(Buffer, 4); + char Buffer[12]; + UInt32 Length = a_PayloadLength + 10; + UIntToBuffer(Length, Buffer); + UIntToBuffer(a_RequestID, Buffer + 4); + UIntToBuffer(a_PacketType, Buffer + 8); + m_Link->Send(Buffer, 12); if (a_PayloadLength > 0) { - m_Outgoing.append(a_Payload, a_PayloadLength); + m_Link->Send(a_Payload, a_PayloadLength); } - m_Outgoing.push_back(0); - m_Outgoing.push_back(0); - m_RCONServer.m_SocketThreads.NotifyWrite(this); + m_Link->Send("\0", 2); // Send two zero chars as the padding } diff --git a/src/RCONServer.h b/src/RCONServer.h index 47c746736..352fa7b50 100644 --- a/src/RCONServer.h +++ b/src/RCONServer.h @@ -9,8 +9,7 @@ #pragma once -#include "OSSupport/SocketThreads.h" -#include "OSSupport/ListenThread.h" +#include "OSSupport/Network.h" @@ -24,8 +23,7 @@ class cIniFile; -class cRCONServer : - public cListenThread::cCallback +class cRCONServer { public: cRCONServer(cServer & a_Server); @@ -35,72 +33,61 @@ public: protected: friend class cRCONCommandOutput; + friend class cRCONListenCallbacks; class cConnection : - public cSocketThreads::cCallback + public cTCPLink::cCallbacks { public: - cConnection(cRCONServer & a_RCONServer, cSocket & a_Socket); + cConnection(cRCONServer & a_RCONServer, const AString & a_IPAddress); protected: friend class cRCONCommandOutput; - /// Set to true if the client has successfully authenticated + /** Set to true if the client has successfully authenticated */ bool m_IsAuthenticated; - /// Buffer for the incoming data + /** Buffer for the incoming data */ AString m_Buffer; - /// Buffer for the outgoing data - AString m_Outgoing; - - /// Server that owns this connection and processes requests + /** Server that owns this connection and processes requests */ cRCONServer & m_RCONServer; - /// The socket belonging to the client - cSocket & m_Socket; + /** The TCP link to the client */ + cTCPLinkPtr m_Link; - /// Address of the client + /** Address of the client */ AString m_IPAddress; - // cSocketThreads::cCallback overrides: - virtual bool DataReceived(const char * a_Data, size_t a_Size) override; - virtual void GetOutgoingData(AString & a_Data) override; - virtual void SocketClosed(void) override; + // cTCPLink::cCallbacks overrides: + virtual void OnLinkCreated(cTCPLinkPtr a_Link); + virtual void OnReceivedData(const char * a_Data, size_t a_Length) override; + virtual void OnRemoteClosed(void) override; + virtual void OnError(int a_ErrorCode, const AString & a_ErrorMsg) override; - /// Processes the given packet and sends the response; returns true if successful, false if the connection is to be dropped - bool ProcessPacket(int a_RequestID, int a_PacketType, int a_PayloadLength, const char * a_Payload); + /** Processes the given packet and sends the response; returns true if successful, false if the connection is to be dropped */ + bool ProcessPacket(UInt32 a_RequestID, UInt32 a_PacketType, UInt32 a_PayloadLength, const char * a_Payload); - /// Reads 4 bytes from a_Buffer and returns the int they represent - int IntFromBuffer(const char * a_Buffer); + /** Reads 4 bytes from a_Buffer and returns the LE UInt32 they represent */ + UInt32 UIntFromBuffer(const char * a_Buffer); - /// Puts 4 bytes representing the int into the buffer - void IntToBuffer(int a_Value, char * a_Buffer); + /** Puts 4 bytes representing the int into the buffer */ + void UIntToBuffer(UInt32 a_Value, char * a_Buffer); - /// Sends a RCON packet back to the client - void SendResponse(int a_RequestID, int a_PacketType, int a_PayloadLength, const char * a_Payload); + /** Sends a RCON packet back to the client */ + void SendResponse(UInt32 a_RequestID, UInt32 a_PacketType, UInt32 a_PayloadLength, const char * a_Payload); } ; - /// The server object that will process the commands received + /** The server object that will process the commands received */ cServer & m_Server; - /// The thread(s) that take care of all the traffic on the RCON ports - cSocketThreads m_SocketThreads; - - /// The thread for accepting IPv4 RCON connections - cListenThread m_ListenThread4; - - /// The thread for accepting IPv6 RCON connections - cListenThread m_ListenThread6; + /** The sockets for accepting RCON connections (one socket per port). */ + cServerHandlePtrs m_ListenServers; - /// Password for authentication + /** Password for authentication */ AString m_Password; - - - // cListenThread::cCallback overrides: - virtual void OnConnectionAccepted(cSocket & a_Socket) override; } ; diff --git a/src/Root.cpp b/src/Root.cpp index eaacf3608..27d87c717 100644 --- a/src/Root.cpp +++ b/src/Root.cpp @@ -181,43 +181,49 @@ void cRoot::Start(void) IniFile.WriteFile("settings.ini"); LOGD("Finalising startup..."); - m_Server->Start(); - - m_WebAdmin->Start(); - - #if !defined(ANDROID_NDK) - LOGD("Starting InputThread..."); - try + if (m_Server->Start()) { - m_InputThread = std::thread(InputThread, std::ref(*this)); - m_InputThread.detach(); - } - catch (std::system_error & a_Exception) - { - LOGERROR("cRoot::Start (std::thread) error %i: could not construct input thread; %s", a_Exception.code().value(), a_Exception.what()); - } - #endif + m_WebAdmin->Start(); - LOG("Startup complete, took %ldms!", static_cast<long int>(std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::steady_clock::now() - BeginTime).count())); - #ifdef _WIN32 - EnableMenuItem(hmenu, SC_CLOSE, MF_ENABLED); // Re-enable close button - #endif + #if !defined(ANDROID_NDK) + LOGD("Starting InputThread..."); + try + { + m_InputThread = std::thread(InputThread, std::ref(*this)); + m_InputThread.detach(); + } + catch (std::system_error & a_Exception) + { + LOGERROR("cRoot::Start (std::thread) error %i: could not construct input thread; %s", a_Exception.code().value(), a_Exception.what()); + } + #endif - while (!m_bStop && !m_bRestart && !m_TerminateEventRaised) // These are modified by external threads - { - std::this_thread::sleep_for(std::chrono::seconds(1)); - } + LOG("Startup complete, took %ldms!", static_cast<long int>(std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::steady_clock::now() - BeginTime).count())); + #ifdef _WIN32 + EnableMenuItem(hmenu, SC_CLOSE, MF_ENABLED); // Re-enable close button + #endif - if (m_TerminateEventRaised) + while (!m_bStop && !m_bRestart && !m_TerminateEventRaised) // These are modified by external threads + { + std::this_thread::sleep_for(std::chrono::seconds(1)); + } + + if (m_TerminateEventRaised) + { + m_bStop = true; + } + + // Stop the server: + m_WebAdmin->Stop(); + + LOG("Shutting down server..."); + m_Server->Shutdown(); + } // if (m_Server->Start()) + else { m_bStop = true; } - // Stop the server: - m_WebAdmin->Stop(); - - LOG("Shutting down server..."); - m_Server->Shutdown(); delete m_MojangAPI; m_MojangAPI = nullptr; LOGD("Shutting down deadlock detector..."); diff --git a/src/Server.cpp b/src/Server.cpp index 4dbe59ac6..3f61be378 100644 --- a/src/Server.cpp +++ b/src/Server.cpp @@ -5,7 +5,6 @@ #include "Server.h" #include "ClientHandle.h" #include "Mobs/Monster.h" -#include "OSSupport/Socket.h" #include "Root.h" #include "World.h" #include "ChunkDef.h" @@ -58,6 +57,39 @@ typedef std::list< cClientHandle* > ClientList; //////////////////////////////////////////////////////////////////////////////// +// cServerListenCallbacks: + +class cServerListenCallbacks: + public cNetwork::cListenCallbacks +{ + cServer & m_Server; + UInt16 m_Port; + + virtual cTCPLink::cCallbacksPtr OnIncomingConnection(const AString & a_RemoteIPAddress, UInt16 a_RemotePort) override + { + return m_Server.OnConnectionAccepted(a_RemoteIPAddress); + } + + virtual void OnAccepted(cTCPLink & a_Link) override {} + + virtual void OnError(int a_ErrorCode, const AString & a_ErrorMsg) + { + LOGWARNING("Cannot listen on port %d: %d (%s).", m_Port, a_ErrorCode, a_ErrorMsg.c_str()); + } + +public: + cServerListenCallbacks(cServer & a_Server, UInt16 a_Port): + m_Server(a_Server), + m_Port(a_Port) + { + } +}; + + + + + +//////////////////////////////////////////////////////////////////////////////// // cServer::cTickThread: cServer::cTickThread::cTickThread(cServer & a_Server) : @@ -100,8 +132,6 @@ void cServer::cTickThread::Execute(void) // cServer: cServer::cServer(void) : - m_ListenThreadIPv4(*this, cSocket::IPv4, "Client"), - m_ListenThreadIPv6(*this, cSocket::IPv6, "Client"), m_PlayerCount(0), m_PlayerCountDiff(0), m_ClientViewDistance(0), @@ -121,42 +151,6 @@ cServer::cServer(void) : -void cServer::ClientDestroying(const cClientHandle * a_Client) -{ - m_SocketThreads.RemoveClient(a_Client); -} - - - - - -void cServer::NotifyClientWrite(const cClientHandle * a_Client) -{ - m_NotifyWriteThread.NotifyClientWrite(a_Client); -} - - - - - -void cServer::WriteToClient(const cClientHandle * a_Client, const AString & a_Data) -{ - m_SocketThreads.Write(a_Client, a_Data); -} - - - - - -void cServer::RemoveClient(const cClientHandle * a_Client) -{ - m_SocketThreads.RemoveClient(a_Client); -} - - - - - void cServer::ClientMovedToWorld(const cClientHandle * a_Client) { cCSLock Lock(m_CSClients); @@ -211,33 +205,8 @@ bool cServer::InitServer(cIniFile & a_SettingsIni, bool a_ShouldAuth) LOGINFO("Compatible clients: %s", MCS_CLIENT_VERSIONS); LOGINFO("Compatible protocol versions %s", MCS_PROTOCOL_VERSIONS); - if (cSocket::WSAStartup() != 0) // Only does anything on Windows, but whatever - { - LOGERROR("WSAStartup() != 0"); - return false; - } - - bool HasAnyPorts = false; - AString Ports = a_SettingsIni.GetValueSet("Server", "Port", "25565"); - m_ListenThreadIPv4.SetReuseAddr(true); - if (m_ListenThreadIPv4.Initialize(Ports)) - { - HasAnyPorts = true; - } - - Ports = a_SettingsIni.GetValueSet("Server", "PortsIPv6", "25565"); - m_ListenThreadIPv6.SetReuseAddr(true); - if (m_ListenThreadIPv6.Initialize(Ports)) - { - HasAnyPorts = true; - } + m_Ports = ReadUpgradeIniPorts(a_SettingsIni, "Server", "Ports", "Port", "PortsIPv6", "25565"); - if (!HasAnyPorts) - { - LOGERROR("Couldn't open any ports. Aborting the server"); - return false; - } - m_RCONServer.Initialize(a_SettingsIni); m_bIsConnected = true; @@ -278,8 +247,6 @@ bool cServer::InitServer(cIniFile & a_SettingsIni, bool a_ShouldAuth) LOGINFO("Setting default viewdistance to the maximum of %d", m_ClientViewDistance); } - m_NotifyWriteThread.Start(this); - PrepareKeys(); return true; @@ -327,36 +294,14 @@ void cServer::PrepareKeys(void) -void cServer::OnConnectionAccepted(cSocket & a_Socket) +cTCPLink::cCallbacksPtr cServer::OnConnectionAccepted(const AString & a_RemoteIPAddress) { - if (!a_Socket.IsValid()) - { - return; - } - - const AString & ClientIP = a_Socket.GetIPString(); - if (ClientIP.empty()) - { - LOGWARN("cServer: A client connected, but didn't present its IP, disconnecting."); - a_Socket.CloseSocket(); - return; - } - - LOGD("Client \"%s\" connected!", ClientIP.c_str()); - - cClientHandle * NewHandle = new cClientHandle(&a_Socket, m_ClientViewDistance); - if (!m_SocketThreads.AddClient(a_Socket, NewHandle)) - { - // For some reason SocketThreads have rejected the handle, clean it up - LOGERROR("Client \"%s\" cannot be handled, server probably unstable", ClientIP.c_str()); - a_Socket.CloseSocket(); - delete NewHandle; - NewHandle = nullptr; - return; - } - + LOGD("Client \"%s\" connected!", a_RemoteIPAddress.c_str()); + cClientHandlePtr NewHandle = std::make_shared<cClientHandle>(a_RemoteIPAddress, m_ClientViewDistance); + NewHandle->SetSelf(NewHandle); cCSLock Lock(m_CSClients); m_Clients.push_back(NewHandle); + return NewHandle; } @@ -403,23 +348,30 @@ bool cServer::Tick(float a_Dt) void cServer::TickClients(float a_Dt) { - cClientHandleList RemoveClients; + cClientHandlePtrs RemoveClients; { cCSLock Lock(m_CSClients); // Remove clients that have moved to a world (the world will be ticking them from now on) - for (cClientHandleList::const_iterator itr = m_ClientsToRemove.begin(), end = m_ClientsToRemove.end(); itr != end; ++itr) + for (auto itr = m_ClientsToRemove.begin(), end = m_ClientsToRemove.end(); itr != end; ++itr) { - m_Clients.remove(*itr); + for (auto itrC = m_Clients.begin(), endC = m_Clients.end(); itrC != endC; ++itrC) + { + if (itrC->get() == *itr) + { + m_Clients.erase(itrC); + break; + } + } } // for itr - m_ClientsToRemove[] m_ClientsToRemove.clear(); // Tick the remaining clients, take out those that have been destroyed into RemoveClients - for (cClientHandleList::iterator itr = m_Clients.begin(); itr != m_Clients.end();) + for (auto itr = m_Clients.begin(); itr != m_Clients.end();) { if ((*itr)->IsDestroyed()) { - // Remove the client later, when CS is not held, to avoid deadlock: http://forum.mc-server.org/showthread.php?tid=374 + // Delete the client later, when CS is not held, to avoid deadlock: http://forum.mc-server.org/showthread.php?tid=374 RemoveClients.push_back(*itr); itr = m_Clients.erase(itr); continue; @@ -430,10 +382,7 @@ void cServer::TickClients(float a_Dt) } // Delete the clients that have been destroyed - for (cClientHandleList::iterator itr = RemoveClients.begin(); itr != RemoveClients.end(); ++itr) - { - delete *itr; - } // for itr - RemoveClients[] + RemoveClients.clear(); } @@ -442,12 +391,23 @@ void cServer::TickClients(float a_Dt) bool cServer::Start(void) { - if (!m_ListenThreadIPv4.Start()) + for (auto port: m_Ports) { - return false; - } - if (!m_ListenThreadIPv6.Start()) + UInt16 PortNum; + if (!StringToInteger(port, PortNum)) + { + LOGWARNING("Invalid port specified for server: \"%s\". Ignoring.", port.c_str()); + continue; + } + auto Handle = cNetwork::Listen(PortNum, std::make_shared<cServerListenCallbacks>(*this, PortNum)); + if (Handle->IsListening()) + { + m_ServerHandles.push_back(Handle); + } + } // for port - Ports[] + if (m_ServerHandles.empty()) { + LOGERROR("Couldn't open any ports. Aborting the server"); return false; } if (!m_TickThread.Start()) @@ -640,7 +600,6 @@ void cServer::PrintHelp(const AStringVector & a_Split, cCommandOutputCallback & const AStringPair & cmd = *itr; a_Output.Out(Printf("%-*s%s\n", static_cast<int>(Callback.m_MaxLen), cmd.first.c_str(), cmd.second.c_str())); } // for itr - Callback.m_Commands[] - a_Output.Finished(); } @@ -670,19 +629,24 @@ void cServer::BindBuiltInConsoleCommands(void) void cServer::Shutdown(void) { - m_ListenThreadIPv4.Stop(); - m_ListenThreadIPv6.Stop(); + // Stop listening on all sockets: + for (auto srv: m_ServerHandles) + { + srv->Close(); + } + m_ServerHandles.clear(); + // Notify the tick thread and wait for it to terminate: m_bRestarting = true; m_RestartEvent.Wait(); cRoot::Get()->SaveAllChunks(); + // Remove all clients: cCSLock Lock(m_CSClients); - for (ClientList::iterator itr = m_Clients.begin(); itr != m_Clients.end(); ++itr) + for (auto itr = m_Clients.begin(); itr != m_Clients.end(); ++itr) { (*itr)->Destroy(); - delete *itr; } m_Clients.clear(); } @@ -694,7 +658,7 @@ void cServer::Shutdown(void) void cServer::KickUser(int a_ClientID, const AString & a_Reason) { cCSLock Lock(m_CSClients); - for (ClientList::iterator itr = m_Clients.begin(); itr != m_Clients.end(); ++itr) + for (auto itr = m_Clients.begin(); itr != m_Clients.end(); ++itr) { if ((*itr)->GetUniqueID() == a_ClientID) { @@ -710,7 +674,7 @@ void cServer::KickUser(int a_ClientID, const AString & a_Reason) void cServer::AuthenticateUser(int a_ClientID, const AString & a_Name, const AString & a_UUID, const Json::Value & a_Properties) { cCSLock Lock(m_CSClients); - for (ClientList::iterator itr = m_Clients.begin(); itr != m_Clients.end(); ++itr) + for (auto itr = m_Clients.begin(); itr != m_Clients.end(); ++itr) { if ((*itr)->GetUniqueID() == a_ClientID) { @@ -724,82 +688,3 @@ void cServer::AuthenticateUser(int a_ClientID, const AString & a_Name, const ASt -//////////////////////////////////////////////////////////////////////////////// -// cServer::cNotifyWriteThread: - -cServer::cNotifyWriteThread::cNotifyWriteThread(void) : - super("ClientPacketThread"), - m_Server(nullptr) -{ -} - - - - - -cServer::cNotifyWriteThread::~cNotifyWriteThread() -{ - m_ShouldTerminate = true; - m_Event.Set(); - Wait(); -} - - - - - -bool cServer::cNotifyWriteThread::Start(cServer * a_Server) -{ - m_Server = a_Server; - return super::Start(); -} - - - - - -void cServer::cNotifyWriteThread::Execute(void) -{ - cClientHandleList Clients; - while (!m_ShouldTerminate) - { - cCSLock Lock(m_CS); - while (m_Clients.empty()) - { - cCSUnlock Unlock(Lock); - m_Event.Wait(); - if (m_ShouldTerminate) - { - return; - } - } - - // Copy the clients to notify and unlock the CS: - Clients.splice(Clients.begin(), m_Clients); - Lock.Unlock(); - - for (cClientHandleList::iterator itr = Clients.begin(); itr != Clients.end(); ++itr) - { - m_Server->m_SocketThreads.NotifyWrite(*itr); - } // for itr - Clients[] - Clients.clear(); - } // while (!mShouldTerminate) -} - - - - - -void cServer::cNotifyWriteThread::NotifyClientWrite(const cClientHandle * a_Client) -{ - { - cCSLock Lock(m_CS); - m_Clients.remove(const_cast<cClientHandle *>(a_Client)); // Put it there only once - m_Clients.push_back(const_cast<cClientHandle *>(a_Client)); - } - m_Event.Set(); -} - - - - diff --git a/src/Server.h b/src/Server.h index aab47987f..1f30295b7 100644 --- a/src/Server.h +++ b/src/Server.h @@ -9,10 +9,9 @@ #pragma once -#include "OSSupport/SocketThreads.h" -#include "OSSupport/ListenThread.h" - #include "RCONServer.h" +#include "OSSupport/IsThread.h" +#include "OSSupport/Network.h" #ifdef _MSC_VER #pragma warning(push) @@ -36,10 +35,12 @@ // fwd: class cPlayer; class cClientHandle; +typedef SharedPtr<cClientHandle> cClientHandlePtr; +typedef std::list<cClientHandlePtr> cClientHandlePtrs; +typedef std::list<cClientHandle *> cClientHandles; class cIniFile; class cCommandOutputCallback; -typedef std::list<cClientHandle *> cClientHandleList; namespace Json { @@ -50,10 +51,11 @@ namespace Json -class cServer // tolua_export - : public cListenThread::cCallback -{ // tolua_export -public: // tolua_export +// tolua_begin +class cServer +{ +public: + // tolua_end virtual ~cServer() {} bool InitServer(cIniFile & a_SettingsIni, bool a_ShouldAuth); @@ -105,13 +107,6 @@ public: // tolua_export /** Called by cClientHandle's destructor; stop m_SocketThreads from calling back into a_Client */ void ClientDestroying(const cClientHandle * a_Client); - /** Notifies m_SocketThreads that client has something to be written */ - void NotifyClientWrite(const cClientHandle * a_Client); - - void WriteToClient(const cClientHandle * a_Client, const AString & a_Data); // Queues outgoing data for the client through m_SocketThreads - - void RemoveClient(const cClientHandle * a_Client); // Removes the clienthandle from m_SocketThreads - /** Don't tick a_Client anymore, it will be ticked from its cPlayer instead */ void ClientMovedToWorld(const cClientHandle * a_Client); @@ -147,30 +142,7 @@ public: // tolua_export private: friend class cRoot; // so cRoot can create and destroy cServer - - /** When NotifyClientWrite() is called, it is queued for this thread to process (to avoid deadlocks between cSocketThreads, cClientHandle and cChunkMap) */ - class cNotifyWriteThread : - public cIsThread - { - typedef cIsThread super; - - cEvent m_Event; // Set when m_Clients gets appended - cServer * m_Server; - - cCriticalSection m_CS; - cClientHandleList m_Clients; - - virtual void Execute(void); - - public: - - cNotifyWriteThread(void); - ~cNotifyWriteThread(); - - bool Start(cServer * a_Server); - - void NotifyClientWrite(const cClientHandle * a_Client); - } ; + friend class cServerListenCallbacks; // Accessing OnConnectionAccepted() /** The server tick thread takes care of the players who aren't yet spawned in a world */ class cTickThread : @@ -189,21 +161,29 @@ private: } ; - cNotifyWriteThread m_NotifyWriteThread; - - cListenThread m_ListenThreadIPv4; - cListenThread m_ListenThreadIPv6; - - cCriticalSection m_CSClients; ///< Locks client lists - cClientHandleList m_Clients; ///< Clients that are connected to the server and not yet assigned to a cWorld - cClientHandleList m_ClientsToRemove; ///< Clients that have just been moved into a world and are to be removed from m_Clients in the next Tick() - - mutable cCriticalSection m_CSPlayerCount; ///< Locks the m_PlayerCount - int m_PlayerCount; ///< Number of players currently playing in the server - cCriticalSection m_CSPlayerCountDiff; ///< Locks the m_PlayerCountDiff - int m_PlayerCountDiff; ///< Adjustment to m_PlayerCount to be applied in the Tick thread + /** The network sockets listening for client connections. */ + cServerHandlePtrs m_ServerHandles; + + /** Protects m_Clients and m_ClientsToRemove against multithreaded access. */ + cCriticalSection m_CSClients; + + /** Clients that are connected to the server and not yet assigned to a cWorld. */ + cClientHandlePtrs m_Clients; + + /** Clients that have just been moved into a world and are to be removed from m_Clients in the next Tick(). */ + cClientHandles m_ClientsToRemove; - cSocketThreads m_SocketThreads; + /** Protects m_PlayerCount against multithreaded access. */ + mutable cCriticalSection m_CSPlayerCount; + + /** Number of players currently playing in the server. */ + int m_PlayerCount; + + /** Protects m_PlayerCountDiff against multithreaded access. */ + cCriticalSection m_CSPlayerCountDiff; + + /** Adjustment to m_PlayerCount to be applied in the Tick thread. */ + int m_PlayerCountDiff; int m_ClientViewDistance; // The default view distance for clients; settable in Settings.ini @@ -250,19 +230,24 @@ private: /** True if BungeeCord handshake packets (with player UUID) should be accepted. */ bool m_ShouldAllowBungeeCord; + /** The list of ports on which the server should listen for connections. + Initialized in InitServer(), used in Start(). */ + AStringVector m_Ports; + cServer(void); /** Loads, or generates, if missing, RSA keys for protocol encryption */ void PrepareKeys(void); + + /** Creates a new cClientHandle instance and adds it to the list of clients. + Returns the cClientHandle reinterpreted as cTCPLink callbacks. */ + cTCPLink::cCallbacksPtr OnConnectionAccepted(const AString & a_RemoteIPAddress); bool Tick(float a_Dt); /** Ticks the clients in m_Clients, manages the list in respect to removing clients */ void TickClients(float a_Dt); - - // cListenThread::cCallback overrides: - virtual void OnConnectionAccepted(cSocket & a_Socket) override; }; // tolua_export diff --git a/src/StringUtils.cpp b/src/StringUtils.cpp index a63525356..4eb2d48b6 100644 --- a/src/StringUtils.cpp +++ b/src/StringUtils.cpp @@ -905,3 +905,47 @@ bool SplitZeroTerminatedStrings(const AString & a_Strings, AStringVector & a_Out + +AStringVector MergeStringVectors(const AStringVector & a_Strings1, const AStringVector & a_Strings2) +{ + // Initialize the resulting vector by the first vector: + AStringVector res = a_Strings1; + + // Add each item from strings2 that is not already present: + for (auto item : a_Strings2) + { + if (std::find(res.begin(), res.end(), item) == res.end()) + { + res.push_back(item); + } + } // for item - a_Strings2[] + + return res; +} + + + + + +AString StringsConcat(const AStringVector & a_Strings, char a_Separator) +{ + // If the vector is empty, return an empty string: + if (a_Strings.empty()) + { + return ""; + } + + // Concatenate the strings in the vector: + AString res; + res.append(a_Strings[0]); + for (auto itr = a_Strings.cbegin() + 1, end = a_Strings.cend(); itr != end; ++itr) + { + res.push_back(a_Separator); + res.append(*itr); + } + return res; +} + + + + diff --git a/src/StringUtils.h b/src/StringUtils.h index bfe2a41fa..bc3bb7a2c 100644 --- a/src/StringUtils.h +++ b/src/StringUtils.h @@ -115,7 +115,16 @@ a_Output is first cleared and then each separate string is pushed back into a_Ou Returns true if there are at least two strings in a_Output (there was at least one \0 separator). */ extern bool SplitZeroTerminatedStrings(const AString & a_Strings, AStringVector & a_Output); -/// Parses any integer type. Checks bounds and returns errors out of band. +/** Merges the two vectors of strings, removing duplicate entries from the second vector. +The resulting vector contains items from a_Strings1 first, then from a_Strings2. +The order of items doesn't change, only the duplicates are removed. +If a_Strings1 contains duplicates, the result will still contain those duplicates. */ +extern AStringVector MergeStringVectors(const AStringVector & a_Strings1, const AStringVector & a_Strings2); + +/** Concatenates the specified strings into a single string, separated by the specified separator. */ +extern AString StringsConcat(const AStringVector & a_Strings, char a_Separator); + +/** Parses any integer type. Checks bounds and returns errors out of band. */ template <class T> bool StringToInteger(const AString & a_str, T & a_Num) { diff --git a/src/WebAdmin.cpp b/src/WebAdmin.cpp index dbf600c25..13cf3cc41 100644 --- a/src/WebAdmin.cpp +++ b/src/WebAdmin.cpp @@ -19,7 +19,16 @@ -/// Helper class - appends all player names together in a HTML list +static const char DEFAULT_WEBADMIN_PORTS[] = "8080"; + + + + + +//////////////////////////////////////////////////////////////////////////////// +// cPlayerAccum: + +/** Helper class - appends all player names together in an HTML list */ class cPlayerAccum : public cPlayerListCallback { @@ -40,11 +49,12 @@ public: +//////////////////////////////////////////////////////////////////////////////// +// cWebAdmin: + cWebAdmin::cWebAdmin(void) : m_IsInitialized(false), m_IsRunning(false), - m_PortsIPv4("8080"), - m_PortsIPv6(""), m_TemplateScript("<webadmin_template>") { } @@ -91,8 +101,7 @@ bool cWebAdmin::Init(void) m_IniFile.AddHeaderComment(" Password format: Password=*password*; for example:"); m_IniFile.AddHeaderComment(" [User:admin]"); m_IniFile.AddHeaderComment(" Password=admin"); - m_IniFile.SetValue("WebAdmin", "Port", m_PortsIPv4); - m_IniFile.SetValue("WebAdmin", "PortsIPv6", m_PortsIPv6); + m_IniFile.SetValue("WebAdmin", "Ports", DEFAULT_WEBADMIN_PORTS); m_IniFile.WriteFile("webadmin.ini"); } @@ -104,32 +113,6 @@ bool cWebAdmin::Init(void) LOGD("Initialising WebAdmin..."); - m_PortsIPv4 = m_IniFile.GetValueSet("WebAdmin", "Port", m_PortsIPv4); - m_PortsIPv6 = m_IniFile.GetValueSet("WebAdmin", "PortsIPv6", m_PortsIPv6); - - if (!m_HTTPServer.Initialize(m_PortsIPv4, m_PortsIPv6)) - { - return false; - } - m_IsInitialized = true; - m_IniFile.WriteFile("webadmin.ini"); - return true; -} - - - - - -bool cWebAdmin::Start(void) -{ - if (!m_IsInitialized) - { - // Not initialized - return false; - } - - LOGD("Starting WebAdmin..."); - // Initialize the WebAdmin template script and load the file m_TemplateScript.Create(); m_TemplateScript.RegisterAPILibs(); @@ -141,6 +124,7 @@ bool cWebAdmin::Start(void) return false; } + // Load the login template, provide a fallback default if not found: if (!LoadLoginTemplate()) { LOGWARN("Could not load WebAdmin login template \"%s\", using fallback template.", FILE_IO_PREFIX "webadmin/login_template.html"); @@ -155,7 +139,34 @@ bool cWebAdmin::Start(void) "</center>"; } - m_IsRunning = m_HTTPServer.Start(*this); + // Read the ports to be used: + // Note that historically the ports were stored in the "Port" and "PortsIPv6" values + m_Ports = ReadUpgradeIniPorts(m_IniFile, "WebAdmin", "Ports", "Port", "PortsIPv6", DEFAULT_WEBADMIN_PORTS); + + if (!m_HTTPServer.Initialize()) + { + return false; + } + m_IsInitialized = true; + m_IniFile.WriteFile("webadmin.ini"); + return true; +} + + + + + +bool cWebAdmin::Start(void) +{ + if (!m_IsInitialized) + { + // Not initialized + return false; + } + + LOGD("Starting WebAdmin..."); + + m_IsRunning = m_HTTPServer.Start(*this, m_Ports); return m_IsRunning; } diff --git a/src/WebAdmin.h b/src/WebAdmin.h index a85fb1f0c..86a8a9a4b 100644 --- a/src/WebAdmin.h +++ b/src/WebAdmin.h @@ -5,7 +5,6 @@ #pragma once -#include "OSSupport/Socket.h" #include "Bindings/LuaState.h" #include "IniFile.h" #include "HTTPServer/HTTPServer.h" @@ -135,8 +134,16 @@ public: /** Returns the prefix needed for making a link point to the webadmin root from the given URL ("../../../webadmin"-style) */ AString GetBaseURL(const AString & a_URL); - AString GetIPv4Ports(void) const { return m_PortsIPv4; } - AString GetIPv6Ports(void) const { return m_PortsIPv6; } + /** Returns the list of ports used for the webadmin. */ + AString GetPorts(void) const { return StringsConcat(m_Ports, ','); } + + /** OBSOLETE: Returns the list of IPv4 ports used for the webadmin. + Currently there is no distinction between IPv4 and IPv6; use GetPorts() instead. */ + AString GetIPv4Ports(void) const { return GetPorts(); } + + /** OBSOLETE: Returns the list of IPv6 ports used for the webadmin. + Currently there is no distinction between IPv4 and IPv6; use GetPorts() instead. */ + AString GetIPv6Ports(void) const { return GetPorts(); } // tolua_end @@ -205,8 +212,8 @@ protected: PluginList m_Plugins; - AString m_PortsIPv4; - AString m_PortsIPv6; + /** The ports on which the webadmin is running. */ + AStringVector m_Ports; /** The Lua template script to provide templates: */ cLuaState m_TemplateScript; diff --git a/src/World.cpp b/src/World.cpp index 24b1a9b40..474f77b81 100644 --- a/src/World.cpp +++ b/src/World.cpp @@ -815,10 +815,9 @@ void cWorld::Stop(void) // Delete the clients that have been in this world: { cCSLock Lock(m_CSClients); - for (cClientHandleList::iterator itr = m_Clients.begin(); itr != m_Clients.end(); ++itr) + for (auto itr = m_Clients.begin(); itr != m_Clients.end(); ++itr) { (*itr)->Destroy(); - delete *itr; } // for itr - m_Clients[] m_Clients.clear(); } @@ -1093,19 +1092,26 @@ void cWorld::TickScheduledTasks(void) void cWorld::TickClients(float a_Dt) { - cClientHandleList RemoveClients; + cClientHandlePtrs RemoveClients; { cCSLock Lock(m_CSClients); // Remove clients scheduled for removal: - for (cClientHandleList::iterator itr = m_ClientsToRemove.begin(), end = m_ClientsToRemove.end(); itr != end; ++itr) + for (auto itr = m_ClientsToRemove.begin(), end = m_ClientsToRemove.end(); itr != end; ++itr) { - m_Clients.remove(*itr); + for (auto itrC = m_Clients.begin(), endC = m_Clients.end(); itrC != endC; ++itrC) + { + if (itrC->get() == *itr) + { + m_Clients.erase(itrC); + break; + } + } } // for itr - m_ClientsToRemove[] m_ClientsToRemove.clear(); // Add clients scheduled for adding: - for (cClientHandleList::iterator itr = m_ClientsToAdd.begin(), end = m_ClientsToAdd.end(); itr != end; ++itr) + for (auto itr = m_ClientsToAdd.begin(), end = m_ClientsToAdd.end(); itr != end; ++itr) { ASSERT(std::find(m_Clients.begin(), m_Clients.end(), *itr) == m_Clients.end()); m_Clients.push_back(*itr); @@ -1113,7 +1119,7 @@ void cWorld::TickClients(float a_Dt) m_ClientsToAdd.clear(); // Tick the clients, take out those that have been destroyed into RemoveClients - for (cClientHandleList::iterator itr = m_Clients.begin(); itr != m_Clients.end();) + for (auto itr = m_Clients.begin(); itr != m_Clients.end();) { if ((*itr)->IsDestroyed()) { @@ -1126,12 +1132,9 @@ void cWorld::TickClients(float a_Dt) ++itr; } // for itr - m_Clients[] } - - // Delete the clients that have been destroyed - for (cClientHandleList::iterator itr = RemoveClients.begin(); itr != RemoveClients.end(); ++itr) - { - delete *itr; - } // for itr - RemoveClients[] + + // Delete the clients queued for removal: + RemoveClients.clear(); } @@ -3525,7 +3528,7 @@ void cWorld::AddQueuedPlayers(void) cCSLock Lock(m_CSClients); for (cPlayerList::iterator itr = PlayersToAdd.begin(), end = PlayersToAdd.end(); itr != end; ++itr) { - cClientHandle * Client = (*itr)->GetClientHandle(); + cClientHandlePtr Client = (*itr)->GetClientHandlePtr(); if (Client != nullptr) { m_Clients.push_back(Client); diff --git a/src/World.h b/src/World.h index e7519dab8..3cac71a36 100644 --- a/src/World.h +++ b/src/World.h @@ -38,6 +38,9 @@ class cRedstoneSimulator; class cItem; class cPlayer; class cClientHandle; +typedef SharedPtr<cClientHandle> cClientHandlePtr; +typedef std::list<cClientHandlePtr> cClientHandlePtrs; +typedef std::list<cClientHandle *> cClientHandles; class cEntity; class cBlockEntity; class cWorldGenerator; // The generator that actually generates the chunks for a single world @@ -1019,13 +1022,13 @@ private: cCriticalSection m_CSClients; /** List of clients in this world, these will be ticked by this world */ - cClientHandleList m_Clients; + cClientHandlePtrs m_Clients; /** Clients that are scheduled for removal (ticked in another world), waiting for TickClients() to remove them */ - cClientHandleList m_ClientsToRemove; + cClientHandles m_ClientsToRemove; /** Clients that are scheduled for adding, waiting for TickClients to add them */ - cClientHandleList m_ClientsToAdd; + cClientHandlePtrs m_ClientsToAdd; /** Guards m_EntitiesToAdd */ cCriticalSection m_CSEntitiesToAdd; diff --git a/src/main.cpp b/src/main.cpp index d4adc1ed9..20609a2f8 100644 --- a/src/main.cpp +++ b/src/main.cpp @@ -11,13 +11,17 @@ #include <dbghelp.h> #endif // _MSC_VER +#include "OSSupport/NetworkSingleton.h" -bool cRoot::m_TerminateEventRaised = false; // If something has told the server to stop; checked periodically in cRoot -static bool g_ServerTerminated = false; // Set to true when the server terminates, so our CTRL handler can then tell the OS to close the console +/** If something has told the server to stop; checked periodically in cRoot */ +bool cRoot::m_TerminateEventRaised = false; + +/** Set to true when the server terminates, so our CTRL handler can then tell the OS to close the console. */ +static bool g_ServerTerminated = false; /** If set to true, the protocols will log each player's incoming (C->S) communication to a per-connection logfile */ bool g_ShouldLogCommIn; @@ -305,6 +309,9 @@ int main( int argc, char **argv) g_ServerTerminated = true; + // Shutdown all of LibEvent: + cNetworkSingleton::Get().Terminate(); + return EXIT_SUCCESS; } diff --git a/tests/Network/EchoServer.cpp b/tests/Network/EchoServer.cpp index 728db0b7c..5f4b7651d 100644 --- a/tests/Network/EchoServer.cpp +++ b/tests/Network/EchoServer.cpp @@ -7,6 +7,7 @@ #include <iostream> #include <string> #include "OSSupport/Network.h" +#include "OSSupport/NetworkSingleton.h" @@ -98,7 +99,7 @@ class cEchoServerCallbacks: -int main() +void DoTest(void) { LOGD("EchoServer: starting up"); cServerHandlePtr Server = cNetwork::Listen(9876, std::make_shared<cEchoServerCallbacks>()); @@ -119,9 +120,20 @@ int main() Server->Close(); ASSERT(!Server->IsListening()); LOGD("Server has been closed."); +} + + + + + +int main() +{ + DoTest(); printf("Press enter to exit test.\n"); + AString line; std::getline(std::cin, line); + cNetworkSingleton::Get().Terminate(); LOG("Network test finished."); return 0; diff --git a/tests/Network/Google.cpp b/tests/Network/Google.cpp index 2b8830c24..54bfa6de4 100644 --- a/tests/Network/Google.cpp +++ b/tests/Network/Google.cpp @@ -7,6 +7,7 @@ #include <thread> #include "OSSupport/Event.h" #include "OSSupport/Network.h" +#include "OSSupport/NetworkSingleton.h" @@ -96,7 +97,7 @@ public: -int main() +void DoTest(void) { cEvent evtFinish; @@ -109,7 +110,19 @@ int main() LOGD("Connect request has been queued."); evtFinish.Wait(); +} + + + + + +int main() +{ + DoTest(); + + cNetworkSingleton::Get().Terminate(); LOGD("Network test finished"); + return 0; } diff --git a/tests/Network/NameLookup.cpp b/tests/Network/NameLookup.cpp index 822a96baf..16fa8042b 100644 --- a/tests/Network/NameLookup.cpp +++ b/tests/Network/NameLookup.cpp @@ -7,6 +7,7 @@ #include <thread> #include "OSSupport/Event.h" #include "OSSupport/Network.h" +#include "OSSupport/NetworkSingleton.h" @@ -45,7 +46,7 @@ public: -int main() +void DoTest(void) { cEvent evtFinish; @@ -70,7 +71,16 @@ int main() LOGD("IP lookup has been successfully queued"); evtFinish.Wait(); LOGD("IP lookup finished."); +} + + + + +int main() +{ + DoTest(); + cNetworkSingleton::Get().Terminate(); LOGD("Network test finished"); return 0; } |