diff options
Diffstat (limited to 'source/cBlockingTCPLink.cpp')
-rw-r--r-- | source/cBlockingTCPLink.cpp | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/source/cBlockingTCPLink.cpp b/source/cBlockingTCPLink.cpp new file mode 100644 index 000000000..a87809857 --- /dev/null +++ b/source/cBlockingTCPLink.cpp @@ -0,0 +1,137 @@ +#include "cBlockingTCPLink.h"
+#include "packets/cPacket.h"
+#include <string>
+
+#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
+
+cBlockingTCPLink::cBlockingTCPLink()
+ : m_Socket( 0 )
+{
+}
+
+cBlockingTCPLink::~cBlockingTCPLink()
+{
+ CloseSocket();
+}
+
+void cBlockingTCPLink::CloseSocket()
+{
+ if( m_Socket )
+ {
+ closesocket( m_Socket );
+ m_Socket = 0;
+ }
+}
+
+bool cBlockingTCPLink::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;
+ }
+
+ return true;
+}
+
+int cBlockingTCPLink::Send( char* a_Data, unsigned int a_Size, int a_Flags /* = 0 */ )
+{
+ if( !m_Socket )
+ {
+ LOGWARN("cBlockingTCPLink: Trying to send data without a valid connection!");
+ return -1;
+ }
+ return cPacket::SendData( m_Socket, a_Data, a_Size, a_Flags );
+}
+
+int cBlockingTCPLink::SendMessage( const char* a_Message, int a_Flags /* = 0 */ )
+{
+ if( !m_Socket )
+ {
+ LOGWARN("cBlockingTCPLink: Trying to send message without a valid connection!");
+ return -1;
+ }
+ return cPacket::SendData( m_Socket, a_Message, strlen(a_Message), a_Flags );
+}
+
+std::string cBlockingTCPLink::ReceiveData()
+{
+ if( !m_Socket ) return "";
+
+ int Received = 0;
+ char Buffer[256];
+ std::string Data;
+ while( (Received = recv(m_Socket, Buffer, 256, 0) ) > 0 )
+ {
+ //LOGINFO("Recv: %i", Received);
+ //LOG("%s", Buffer );
+ Data.append( Buffer, Received );
+ memset( Buffer, 0, 256 );
+ }
+
+ //LOGINFO("Received returned: %i", Received );
+ return Data;
+}
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