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/*MT*
MediaTomb - http://www.mediatomb.cc/
process.cc - this file is part of MediaTomb.
Copyright (C) 2005 Gena Batyan <bgeradz@mediatomb.cc>,
Sergey 'Jin' Bostandzhyan <jin@mediatomb.cc>
Copyright (C) 2006-2007 Gena Batyan <bgeradz@mediatomb.cc>,
Sergey 'Jin' Bostandzhyan <jin@mediatomb.cc>,
Leonhard Wimmer <leo@mediatomb.cc>
MediaTomb is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License version 2
as published by the Free Software Foundation.
MediaTomb 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
version 2 along with MediaTomb; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
$Id: process.cc 1294 2007-05-13 16:28:24Z lww $
*/
/// \file process.cc
#ifdef HAVE_CONFIG_H
#include "autoconfig.h"
#endif
#include "process.h"
#include <stdio.h>
#include <unistd.h>
#include <sys/types.h>
#include <string.h>
#include <errno.h>
using namespace zmm;
#define BUF_SIZE 256
#define MAX_TEMPLATE 64
char input_template[MAX_TEMPLATE];
char output_template[MAX_TEMPLATE];
void init_process()
{
sprintf(input_template, "/tmp/mediaserver_in_%d_XXXXXX", getuid());
sprintf(output_template, "/tmp/mediaserver_out_%d_XXXXXX", getuid());
}
String run_process(String prog, String param, String input)
{
FILE *file;
int fd;
/* creating input file */
char input_file[MAX_TEMPLATE];
strcpy(input_file, input_template);
fd = mkstemp(input_file);
int ret = write(fd, input.c_str(), input.length());
close(fd);
/* touching output file */
char output_file[MAX_TEMPLATE];
strcpy(output_file, output_template);
fd = mkstemp(output_file);
close(fd);
/* executing script */
String command = prog + " " + param + " < " + input_file +
" > " + output_file;
log_debug("running %s\n", command.c_str());
ret = system(command.c_str());
/* reading output file */
file = fopen(output_file, "r");
Ref<StringBuffer> output(new StringBuffer());
int bytesRead;
char buf[BUF_SIZE];
while (1)
{
bytesRead = fread(buf, 1, BUF_SIZE, file);
if(bytesRead > 0)
*output << String(buf, bytesRead);
else
break;
}
fclose(file);
/* removing input and output files */
unlink(input_file);
unlink(output_file);
return output->toString();
}
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