From 86f2f82d2a81bac4739d135959b08c011d007303 Mon Sep 17 00:00:00 2001 From: Mattes D Date: Sat, 24 Jan 2015 23:17:13 +0100 Subject: BlockingSslClientSocket: Migrated to cNetwork API. --- src/PolarSSL++/BlockingSslClientSocket.cpp | 176 +++++++++++++++++++++++++++-- 1 file changed, 164 insertions(+), 12 deletions(-) (limited to 'src/PolarSSL++/BlockingSslClientSocket.cpp') 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(*this), + std::make_shared(*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(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(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(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(); } -- cgit v1.2.3