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/*
* Copyright 2013 Google Inc.
*
* This program 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 2
* of the License, or (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
/*
* Author: ncardwell@google.com (Neal Cardwell)
*
* This is the main() for the packetdrill TCP testing tool.
*/
#include "types.h"
#include <arpa/inet.h>
#include <getopt.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "assert.h"
#include "config.h"
#include "parse.h"
#include "run.h"
#include "script.h"
#include "system.h"
#include "wire_server.h"
static void run_init_scripts(struct config *config)
{
char *cp1, *cp2, *scripts, *error;
if (config->init_scripts == NULL)
return;
cp1 = scripts = strdup(config->init_scripts);
while (*cp1 != 0) {
cp2 = strstr(cp1, ",");
if (cp2 != NULL)
*cp2 = 0;
if (safe_system(cp1, &error)) {
die("%s: error executing init script '%s': %s\n",
config->script_path, cp1, error);
}
if (cp2 == NULL)
break;
else
cp1 = cp2 + 1;
}
free(scripts);
}
int main(int argc, char *argv[])
{
struct config config;
set_default_config(&config);
/* Get command line options and list of test scripts. */
char **arg = parse_command_line_options(argc, argv, &config);
/* If we're running as a server, just listen for connections forever. */
if (config.is_wire_server) {
if (*arg != NULL) {
fprintf(stderr,
"error: do not pass script paths to "
"the wire server on command line\n");
show_usage();
exit(EXIT_FAILURE);
}
run_wire_server(&config);
return 0;
}
/* Ensure that there is at least one script path, to avoid
* confusion between the lack of output caused by "all tests
* passing" and "no tests listed on command line".
*/
if (*arg == NULL) {
fprintf(stderr, "error: missing script path\n");
show_usage();
exit(EXIT_FAILURE);
}
/* Parse and run each script on the command line. */
for (; *arg != NULL; ++arg) {
struct script script;
const char *script_path = *arg;
if (parse_script_and_set_config(argc, argv, &config, &script,
script_path, NULL))
exit(EXIT_FAILURE);
/* If --dry_run, then don't actually execute the script. */
if (config.dry_run)
continue;
run_init_scripts(&config);
run_script(&config, &script);
}
return 0;
}
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