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
|
/*
Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Her Majesty the Queen in
Right of Canada (Communications Research Center Canada)
Copyright (C) 2013 Matthias P. Braendli
http://mpb.li
TCP output
*/
/*
This file is part of CRC-DabMux.
CRC-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.
CRC-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 CRC-DabMux. If not, see <http://www.gnu.org/licenses/>.
*/
#include <cstring>
#include <cstdio>
#include <signal.h>
#include <limits.h>
#include "dabOutput.h"
#include "TcpServer.h"
#ifdef _WIN32
# include <io.h>
# ifdef __MINGW32__
# define FS_DECLARE_CFG_ARRAYS
# include <winioctl.h>
# endif
# include <sdci.h>
#else
# include <unistd.h>
# include <sys/time.h>
# ifndef O_BINARY
# define O_BINARY 0
# endif // O_BINARY
#endif
void* tcpThread(void* param)
{
TcpSocket* client;
DabOutputTcp* tcp = (DabOutputTcp*)param;
while ((client = tcp->server->accept()) != NULL) {
etiLog.print(TcpLog::INFO, "TCP server got a new client.\n");
if (tcp->client != NULL) {
delete tcp->client;
}
tcp->client = client;
}
etiLog.print(TcpLog::ERR, "TCP thread can't accept new client (%s)\n",
inetErrDesc, inetErrMsg);
return NULL;
}
int DabOutputTcp::Open(const char* name)
{
char* hostport = strdup(name); // the name is actually an tuple host:port
char* address;
long port;
address = strchr((char*)hostport, ':');
if (address == NULL) {
etiLog.printHeader(TcpLog::ERR,
"\"%s\" is an invalid format for tcp address: "
"should be [address]:port - > aborting\n",
hostport);
goto tcp_open_fail;
}
// terminate string hostport after the host, and advance address to the port number
*(address++) = 0;
port = strtol(address, (char **)NULL, 10);
if ((port == LONG_MIN) || (port == LONG_MAX)) {
etiLog.printHeader(TcpLog::ERR,
"can't convert port number in tcp address %s\n", address);
goto tcp_open_fail;
}
if (port == 0) {
etiLog.printHeader(TcpLog::ERR,
"can't use port number 0 in tcp address\n");
goto tcp_open_fail;
}
address = hostport;
if (strlen(address) > 0) {
if (this->server->create(port, address) == -1) {
etiLog.printHeader(TcpLog::ERR, "Can't create Tcp server on %s:%i "
"(%s: %s) -> aborting\n",
address, port, inetErrDesc, inetErrMsg);
goto tcp_open_fail;
}
} else {
if (this->server->create(port) == -1) {
etiLog.printHeader(TcpLog::ERR, "Can't create Tcp server on :%i "
"(%s: %s) -> aborting\n",
port, inetErrDesc, inetErrMsg);
goto tcp_open_fail;
}
}
//sprintf(name, "%s:%i", this->packet_->getAddress().getHostAddress(),
// this->packet_->getAddress().getPort());
if (this->server->listen() == -1) {
etiLog.printHeader(TcpLog::ERR, "Can't listen on Tcp socket (%s: %s)\n",
inetErrDesc, inetErrMsg);
goto tcp_open_fail;
}
#ifdef _WIN32
this->thread_ = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)tcpThread, this, 0, NULL);
if (this->thread_ == NULL) {
fprintf(stderr, "Can't create TCP child");
goto tcp_open_fail;
}
#else
if (pthread_create(&this->thread_, NULL, tcpThread, this)) {
perror("Can't create TCP child");
goto tcp_open_fail;
}
#endif
return 0;
tcp_open_fail:
free(hostport);
return -1;
}
int DabOutputTcp::Write(void* buffer, int size)
{
if (this->client != NULL) {
if (this->client->write(&size, 2) == 2) {
if (this->client->write(buffer, size) != size) {
return size;
}
}
else {
etiLog.print(TcpLog::INFO, "TCP server client disconnected.\n");
delete this->client;
this->client = NULL;
}
}
return size;
}
int DabOutputTcp::Close()
{
this->server->close();
if( this->client != NULL )
this->client->close();
#ifdef WIN32
DWORD status;
for (int i = 0; i < 5; ++i) {
if (GetExitCodeThread(this->thread_, &status)) {
break;
}
Sleep(100);
}
TerminateThread(this->thread_, 1);
#else
pthread_kill(this->thread_, SIGPIPE);
#endif
return 0;
}
|