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-rw-r--r--src/Protocol/Protocol17x.cpp64
-rw-r--r--src/Protocol/Protocol17x.h5
-rw-r--r--src/main.cpp25
3 files changed, 93 insertions, 1 deletions
diff --git a/src/Protocol/Protocol17x.cpp b/src/Protocol/Protocol17x.cpp
index 9506332dc..d2d0df7f7 100644
--- a/src/Protocol/Protocol17x.cpp
+++ b/src/Protocol/Protocol17x.cpp
@@ -53,6 +53,18 @@ Implements the 1.7.x protocol classes:
+#ifdef _DEBUG
+// fwd: main.cpp:
+extern bool g_ShouldLogComm;
+#endif
+
+
+
+
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+// cProtocol172:
+
cProtocol172::cProtocol172(cClientHandle * a_Client, const AString & a_ServerAddress, UInt16 a_ServerPort, UInt32 a_State) :
super(a_Client),
m_ServerAddress(a_ServerAddress),
@@ -63,6 +75,15 @@ cProtocol172::cProtocol172(cClientHandle * a_Client, const AString & a_ServerAdd
m_OutPacketLenBuffer(20), // 20 bytes is more than enough for one VarInt
m_IsEncrypted(false)
{
+ // Create the comm log file, if so requested:
+ #ifdef _DEBUG
+ if (g_ShouldLogComm)
+ {
+ cFile::CreateFolder("CommLogs");
+ AString FileName = Printf("CommLogs/%x__%s.log", (unsigned)time(NULL), a_Client->GetIPString().c_str());
+ m_CommLogFile.Open(FileName, cFile::fmWrite);
+ }
+ #endif // _DEBUG
}
@@ -1065,6 +1086,18 @@ void cProtocol172::SendWindowProperty(const cWindow & a_Window, short a_Property
void cProtocol172::AddReceivedData(const char * a_Data, int a_Size)
{
+ // Write the incoming data into the comm log file:
+ #ifdef _DEBUG
+ if (g_ShouldLogComm)
+ {
+ AString Hex;
+ CreateHexDump(Hex, a_Data, a_Size, 16);
+ m_CommLogFile.Printf("Incoming data: %d bytes. %d bytes unparsed already present in buffer.\n%s\n",
+ a_Size, m_ReceivedData.GetReadableSpace(), Hex.c_str()
+ );
+ }
+ #endif
+
if (!m_ReceivedData.Write(a_Data, a_Size))
{
// Too much data in the incoming queue, report to caller:
@@ -1100,6 +1133,24 @@ void cProtocol172::AddReceivedData(const char * a_Data, int a_Size)
return;
}
+ // Log the packet info into the comm log file:
+ #ifdef _DEBUG
+ if (g_ShouldLogComm)
+ {
+ AString PacketData;
+ bb.ReadAll(PacketData);
+ bb.ResetRead();
+ bb.ReadVarInt(PacketType);
+ ASSERT(PacketData.size() > 0);
+ PacketData.resize(PacketData.size() - 1);
+ AString PacketDataHex;
+ CreateHexDump(PacketDataHex, PacketData.data(), PacketData.size(), 16);
+ m_CommLogFile.Printf("Next incoming packet is type %u (0x%x), length %u (0x%x) at state %d. Payload:\n%s\n",
+ PacketType, PacketType, PacketLen, PacketLen, m_State, PacketDataHex.c_str()
+ );
+ }
+ #endif // _DEBUG
+
if (!HandlePacket(bb, PacketType))
{
// Unknown packet, already been reported, but without the length. Log the length here:
@@ -1807,6 +1858,19 @@ cProtocol172::cPacketizer::~cPacketizer()
m_Out.ReadAll(DataToSend);
m_Protocol.SendData(DataToSend.data(), DataToSend.size());
m_Out.CommitRead();
+
+ // Log the comm into logfile:
+ #ifdef _DEBUG
+ if (g_ShouldLogComm)
+ {
+ AString Hex;
+ ASSERT(DataToSend.size() > 0);
+ CreateHexDump(Hex, DataToSend.data() + 1, DataToSend.size() - 1, 16);
+ m_Protocol.m_CommLogFile.Printf("Outgoing packet: type %d (0x%x), length %u (0x%x), state %d. Payload:\n%s\n",
+ DataToSend[0], DataToSend[0], PacketLen, PacketLen, m_Protocol.m_State, Hex.c_str()
+ );
+ }
+ #endif // _DEBUG
}
diff --git a/src/Protocol/Protocol17x.h b/src/Protocol/Protocol17x.h
index 3f440f313..b04a1f019 100644
--- a/src/Protocol/Protocol17x.h
+++ b/src/Protocol/Protocol17x.h
@@ -223,6 +223,11 @@ protected:
CryptoPP::CFB_Mode<CryptoPP::AES>::Decryption m_Decryptor;
CryptoPP::CFB_Mode<CryptoPP::AES>::Encryption m_Encryptor;
+ #ifdef _DEBUG
+ /** The logfile where the comm is logged, when g_ShouldLogComm is true */
+ cFile m_CommLogFile;
+ #endif
+
/// Adds the received (unencrypted) data to m_ReceivedData, parses complete packets
void AddReceivedData(const char * a_Data, int a_Size);
diff --git a/src/main.cpp b/src/main.cpp
index 340149e0b..68bf6683f 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -19,6 +19,15 @@ bool g_SERVER_TERMINATED = false; // Set to true when the server terminates, so
+#ifdef _DEBUG
+/** If set to true, the protocols will log each player's communication to a separate logfile */
+bool g_ShouldLogComm;
+#endif
+
+
+
+
+
/// If defined, a thorough leak finder will be used (debug MSVC only); leaks will be output to the Output window
#define ENABLE_LEAK_FINDER
@@ -216,12 +225,26 @@ int main( int argc, char **argv )
#ifndef _DEBUG
std::signal(SIGSEGV, NonCtrlHandler);
std::signal(SIGTERM, NonCtrlHandler);
- std::signal(SIGINT, NonCtrlHandler);
+ std::signal(SIGINT, NonCtrlHandler);
#endif
// DEBUG: test the dumpfile creation:
// *((int *)0) = 0;
+ // Check if comm logging is to be enabled:
+ #ifdef _DEBUG
+ for (int i = 0; i < argc; i++)
+ {
+ if (
+ (_stricmp(argv[i], "/commlog") == 0) ||
+ (_stricmp(argv[i], "/logcomm") == 0)
+ )
+ {
+ g_ShouldLogComm = true;
+ }
+ }
+ #endif // _DEBUG
+
#if !defined(ANDROID_NDK)
try
#endif