1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
|
#include "cTCPLink.h"
#include "cSocket.h"
#include "cEvent.h"
#include "cThread.h"
#include "MCSocket.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 )
{
m_Socket.CloseSocket();
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();
}
|
