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authorAlexander Harkness <bearbin@gmail.com>2013-11-24 15:19:41 +0100
committerAlexander Harkness <bearbin@gmail.com>2013-11-24 15:19:41 +0100
commit675b4aa878f16291ce33fced48a2bc7425f635ae (patch)
tree409914df27a98f65adf866da669429c4de141b6f /src/OSSupport/BlockingTCPLink.cpp
parentLineBlockTracer: Using the coord-based block faces. (diff)
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Diffstat (limited to 'src/OSSupport/BlockingTCPLink.cpp')
-rw-r--r--src/OSSupport/BlockingTCPLink.cpp149
1 files changed, 149 insertions, 0 deletions
diff --git a/src/OSSupport/BlockingTCPLink.cpp b/src/OSSupport/BlockingTCPLink.cpp
new file mode 100644
index 000000000..55454a4b5
--- /dev/null
+++ b/src/OSSupport/BlockingTCPLink.cpp
@@ -0,0 +1,149 @@
+
+#include "Globals.h" // NOTE: MSVC stupidness requires this to be the same across all modules
+
+#include "BlockingTCPLink.h"
+
+
+
+
+
+#ifdef _WIN32
+ #define MSG_NOSIGNAL (0)
+#endif
+#ifdef __MACH__
+ #define MSG_NOSIGNAL (0)
+#endif
+
+
+
+
+
+cBlockingTCPLink::cBlockingTCPLink(void)
+{
+}
+
+
+
+
+
+cBlockingTCPLink::~cBlockingTCPLink()
+{
+ CloseSocket();
+}
+
+
+
+
+
+void cBlockingTCPLink::CloseSocket()
+{
+ if (!m_Socket.IsValid())
+ {
+ m_Socket.CloseSocket();
+ }
+}
+
+
+
+
+
+bool cBlockingTCPLink::Connect(const char * iAddress, unsigned int iPort)
+{
+ ASSERT(!m_Socket.IsValid());
+ if (m_Socket.IsValid())
+ {
+ LOGWARN("WARNING: cTCPLink Connect() called while still connected.");
+ m_Socket.CloseSocket();
+ }
+
+ struct hostent *hp;
+ unsigned int addr;
+ struct sockaddr_in server;
+
+ m_Socket = socket(AF_INET, SOCK_STREAM, 0);
+ if (!m_Socket.IsValid())
+ {
+ LOGERROR("cTCPLink: Cannot create a socket");
+ return false;
+ }
+
+ addr = inet_addr(iAddress);
+ hp = gethostbyaddr((char *)&addr, sizeof(addr), AF_INET);
+ if (hp == NULL)
+ {
+ //LOGWARN("cTCPLink: gethostbyaddr returned NULL");
+ hp = gethostbyname(iAddress);
+ if (hp == NULL)
+ {
+ LOGWARN("cTCPLink: Could not resolve %s", iAddress);
+ CloseSocket();
+ return false;
+ }
+ }
+
+ server.sin_addr.s_addr = *((unsigned long *)hp->h_addr);
+ server.sin_family = AF_INET;
+ server.sin_port = htons( (unsigned short)iPort);
+ if (connect(m_Socket, (struct sockaddr *)&server, sizeof(server)))
+ {
+ LOGWARN("cTCPLink: Connection to \"%s:%d\" failed (%s)", iAddress, iPort, cSocket::GetErrorString( cSocket::GetLastError() ).c_str() );
+ CloseSocket();
+ return false;
+ }
+
+ return true;
+}
+
+
+
+
+
+int cBlockingTCPLink::Send(char * a_Data, unsigned int a_Size, int a_Flags /* = 0 */ )
+{
+ ASSERT(m_Socket.IsValid());
+ if (!m_Socket.IsValid())
+ {
+ LOGERROR("cBlockingTCPLink: Trying to send data without a valid connection!");
+ return -1;
+ }
+ return m_Socket.Send(a_Data, a_Size);
+}
+
+
+
+
+
+int cBlockingTCPLink::SendMessage( const char* a_Message, int a_Flags /* = 0 */ )
+{
+ ASSERT(m_Socket.IsValid());
+ if (!m_Socket.IsValid())
+ {
+ LOGWARN("cBlockingTCPLink: Trying to send message without a valid connection!");
+ return -1;
+ }
+ return m_Socket.Send(a_Message, strlen(a_Message));
+}
+
+
+
+
+
+void cBlockingTCPLink::ReceiveData(AString & oData)
+{
+ ASSERT(m_Socket.IsValid());
+ if (!m_Socket.IsValid())
+ {
+ return;
+ }
+
+ int Received = 0;
+ char Buffer[256];
+ while ((Received = recv(m_Socket, Buffer, sizeof(Buffer), 0)) > 0)
+ {
+ oData.append(Buffer, Received);
+ }
+}
+
+
+
+