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
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
|
/*
Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Her Majesty the Queen in
Right of Canada (Communications Research Center Canada)
*/
/*
This file is part of ODR-DabMux.
ODR-DabMux is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.
ODR-DabMux is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with ODR-DabMux. If not, see <http://www.gnu.org/licenses/>.
*/
#include "TcpServer.h"
#include <iostream>
#include <stdio.h>
#include <errno.h>
#ifdef _WIN32
#else
# include <sys/socket.h>
#endif
#ifdef TRACE_ON
# ifndef TRACE_CLASS
# define TRACE_CLASS(class, func) cout <<"-" <<(class) <<"\t(" <<this <<")::" <<(func) <<endl
# define TRACE_STATIC(class, func) cout <<"-" <<(class) <<"\t(static)::" <<(func) <<endl
# endif
#else
# ifndef TRACE_CLASS
# define TRACE_CLASS(class, func)
# define TRACE_STATIC(class, func)
# endif
#endif
/// Must be call once before doing any operation on sockets
int TcpServer::init()
{
#ifdef _WIN32
WSADATA wsaData;
WORD wVersionRequested = wVersionRequested = MAKEWORD( 2, 2 );
int res = WSAStartup( wVersionRequested, &wsaData );
if (res) {
setInetError("Can't initialize winsock");
return -1;
}
#endif
return 0;
}
/// Must be call once before leaving application
int TcpServer::clean()
{
#ifdef _WIN32
int res = WSACleanup();
if (res) {
setInetError("Can't initialize winsock");
return -1;
}
#endif
return 0;
}
/**
* Two step constructor. Create must be called prior to use this
* socket.
*/
TcpServer::TcpServer() :
listenSocket(INVALID_SOCKET)
{
TRACE_CLASS("TcpServer", "TcpServer()");
}
/**
* One step constructor.
* @param port The port number on which the socket will be bind
* @param name The IP address on which the socket will be bind.
* It is used to bind the socket on a specific interface if
* the computer have many NICs.
*/
TcpServer::TcpServer(int port, const char *name) :
listenSocket(INVALID_SOCKET)
{
TRACE_CLASS("TcpServer", "TcpServer(int, char*)");
create(port, name);
}
/**
* Two step initializer. This function must be called after the constructor
* without argument as been called.
* @param port The port number on which the socket will be bind
* @param name The IP address on which the socket will be bind.
* It is used to bind the socket on a specific interface if
* the computer have many NICs.
* @return 0 if ok
* -1 if error
*/
int TcpServer::create(int port, const char *name)
{
TRACE_CLASS("TcpServer", "create(int, char*)");
if (listenSocket != INVALID_SOCKET)
closesocket(listenSocket);
address.setAddress(name);
address.setPort(port);
if ((listenSocket = socket(PF_INET, SOCK_STREAM, 0)) == INVALID_SOCKET) {
setInetError("Can't create socket");
return -1;
}
reuseopt_t reuse = 1;
if (setsockopt(listenSocket, SOL_SOCKET, SO_REUSEADDR, &reuse, sizeof(reuse))
== SOCKET_ERROR) {
setInetError("Can't reuse address");
return -1;
}
if (bind(listenSocket, address.getAddress(), sizeof(sockaddr_in)) == SOCKET_ERROR) {
setInetError("Can't bind socket");
closesocket(listenSocket);
listenSocket = INVALID_SOCKET;
return -1;
}
return 0;
}
/**
* Close the underlying socket.
* @return 0 if ok
* -1 if error
*/
int TcpServer::close()
{
TRACE_CLASS("TcpServer", "close()");
if (listenSocket != INVALID_SOCKET) {
int res = closesocket(listenSocket);
if (res != 0) {
setInetError("Can't close socket");
return -1;
}
listenSocket = INVALID_SOCKET;
}
return 0;
}
/// Destructor
TcpServer::~TcpServer()
{
TRACE_CLASS("TcpServer", "~TcpServer()");
close();
}
int TcpServer::listen()
{
TRACE_CLASS("TcpServer", "listen()");
if (::listen(listenSocket, 1) == SOCKET_ERROR) {
setInetError("Can't listen on socket");
return -1;
}
return 0;
}
TcpSocket* TcpServer::accept()
{
SOCKET socket;
TcpSocket* client = NULL;
InetAddress addr;
socklen_t addrLen = sizeof(sockaddr_in);
socket = ::accept(listenSocket, addr.getAddress(), &addrLen);
if (socket == SOCKET_ERROR) {
setInetError("Can't accept connection on socket");
} else {
client = new TcpSocket();
client->setSocket(socket, addr);
}
return client;
}
/*
WSAEINTR
WSAEBADF
WSAEACCES
WSAEFAULT
WSAEINVAL
WSAEMFILE
WSAEWOULDBLOCK
WSAEINPROGRESS
WSAEALREADY
WSAENOTSOCK
WSAEDESTADDRREQ
WSAEMSGSIZE
WSAEPROTOTYPE
WSAENOPROTOOPT
WSAEPROTONOSUPPORT
WSAESOCKTNOSUPPORT
WSAEOPNOTSUPP
WSAEPFNOSUPPORT
WSAEAFNOSUPPORT
WSAEADDRINUSE
WSAEADDRNOTAVAIL
WSAENETDOWN
WSAENETUNREACH
WSAENETRESET
WSAECONNABORTED
WSAECONNRESET
WSAENOBUFS
WSAEISCONN
WSAENOTCONN
WSAESHUTDOWN
WSAETOOMANYREFS
WSAETIMEDOUT
WSAECONNREFUSED
WSAELOOP
WSAENAMETOOLONG
WSAEHOSTDOWN
WSAEHOSTUNREACH
WSAENOTEMPTY
WSAEPROCLIM
WSAEUSERS
WSAEDQUOT
WSAESTALE
WSAEREMOTE
WSAEDISCON
WSASYSNOTREADY
WSAVERNOTSUPPORTED
WSANOTINITIALISED
*/
|
