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/*
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 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 <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.log(info, "TCP server got a new client.\n");
if (tcp->client != NULL) {
delete tcp->client;
}
tcp->client = client;
}
etiLog.log(error, "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.log(error,
"\"%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.log(error,
"can't convert port number in tcp address %s\n", address);
goto tcp_open_fail;
}
if (port == 0) {
etiLog.log(error,
"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.log(error, "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.log(error, "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.log(error, "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.log(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;
}
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