From 386d58b5862d8b76925c6523721594887606e82a Mon Sep 17 00:00:00 2001
From: faketruth <faketruth@0a769ca7-a7f5-676a-18bf-c427514a06d6>
Date: Mon, 3 Oct 2011 18:41:19 +0000
Subject: MCServer c++ source files

git-svn-id: http://mc-server.googlecode.com/svn/trunk@3 0a769ca7-a7f5-676a-18bf-c427514a06d6
---
 source/cTCPLink.cpp | 146 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 146 insertions(+)
 create mode 100644 source/cTCPLink.cpp

(limited to 'source/cTCPLink.cpp')

diff --git a/source/cTCPLink.cpp b/source/cTCPLink.cpp
new file mode 100644
index 000000000..13eb593ef
--- /dev/null
+++ b/source/cTCPLink.cpp
@@ -0,0 +1,146 @@
+#include "cTCPLink.h"
+#include "cSocket.h"
+#include "cEvent.h"
+#include "cThread.h"
+
+#include "cMCLogger.h"
+
+#ifndef _WIN32
+#include <cstring>
+#include <errno.h>
+#endif
+
+#ifdef _WIN32
+#define MSG_NOSIGNAL (0)
+#endif
+#ifdef __MACH__
+#define MSG_NOSIGNAL (0)
+#endif
+
+cTCPLink::cTCPLink()
+	: m_Socket( 0 )
+	, m_StopEvent( new cEvent() )
+{
+}
+
+cTCPLink::~cTCPLink()
+{
+	if( m_Socket )
+	{
+		CloseSocket();
+		m_StopEvent->Wait();
+	}
+	delete m_StopEvent;
+}
+
+void cTCPLink::CloseSocket()
+{
+	if( m_Socket )
+	{
+		closesocket( m_Socket );
+		m_Socket = 0;
+	}
+}
+
+bool cTCPLink::Connect( const char* a_Address, unsigned int a_Port )
+{
+	if( m_Socket )
+	{
+		LOGWARN("WARNING: cTCPLink Connect() called while still connected. ALWAYS disconnect before re-connecting!");
+	}
+
+	struct hostent *hp;
+	unsigned int addr;
+	struct sockaddr_in server;
+
+#ifdef _WIN32
+	WSADATA wsaData;
+	int wsaret=WSAStartup(/*0x101*/ MAKEWORD(2, 2),&wsaData);
+
+	if(wsaret!=0)
+	{
+		LOGERROR("cTCPLink: WSAStartup returned error");
+		return false;
+	}
+#endif
+
+	m_Socket=socket(AF_INET,SOCK_STREAM,0);
+#ifdef _WIN32
+	if( m_Socket==INVALID_SOCKET )
+#else
+    if( m_Socket < 0 )
+#endif
+	{
+		LOGERROR("cTCPLink: Invalid socket");
+		m_Socket = 0;
+		return false;
+	}
+
+
+	addr=inet_addr( a_Address );
+	hp=gethostbyaddr((char*)&addr,sizeof(addr),AF_INET);
+	if(hp==NULL)
+	{
+		//LOGWARN("cTCPLink: gethostbyaddr returned NULL");
+		hp = gethostbyname( a_Address );
+		if( hp == NULL )
+		{
+			LOGWARN("cTCPLink: Could not resolve %s", a_Address);
+			CloseSocket();
+			return false;
+		}
+	}
+
+	server.sin_addr.s_addr=*((unsigned long*)hp->h_addr);
+	server.sin_family=AF_INET;
+	server.sin_port=htons( (unsigned short)a_Port );
+	if( connect( m_Socket, (struct sockaddr*)&server, sizeof(server) ) )
+	{
+		LOGWARN("cTCPLink: No response from server (%i)", errno);
+		CloseSocket();
+		return false;
+	}
+
+	cThread( ReceiveThread, this );
+
+	return true;
+}
+
+int cTCPLink::Send( char* a_Data, unsigned int a_Size, int a_Flags /* = 0 */ )
+{
+	//LOG("TCPLink::Send()");
+	if( !m_Socket )
+	{
+		LOGWARN("cTCPLink: Trying to send data without a valid connection!");
+		return -1;
+	}
+	return send( m_Socket, a_Data, a_Size, a_Flags | MSG_NOSIGNAL );
+}
+
+int cTCPLink::SendMessage( const char* a_Message, int a_Flags /* = 0 */ )
+{
+	//LOG("TCPLink::SendMessage()");
+	if( !m_Socket )
+	{
+		LOGWARN("cTCPLink: Trying to send message without a valid connection!");
+		return -1;
+	}
+	return send( m_Socket, a_Message, strlen(a_Message), a_Flags | MSG_NOSIGNAL );
+}
+
+void cTCPLink::ReceiveThread( void* a_Param)
+{
+	cTCPLink* self = (cTCPLink*)a_Param;
+	SOCKET Socket = self->m_Socket;
+	int Received = 0;
+	do
+	{
+		char Data[256];
+		Received = recv(Socket, Data, 256, 0);
+		self->ReceivedData( Data, (Received>0?Received:-1) );
+	} while ( Received > 0 );
+
+	LOGINFO("cTCPLink Disconnected (%i)", Received );
+
+	if( Socket == self->m_Socket ) self->m_StopEvent->Set();
+}
-- 
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