void process()
{
unsigned short port(g_confvalue.http_listen.port);
string ip(g_confvalue.http_listen.ip);
short timeout(5);
CHttpServer httpserver(port, ip.c_str(), timeout);
if (!httpserver.work()) {
logerr("httpserver start fail");
}
for (; ;) {
select_sleep(1000, 0);
}
}
int main(int argc, char *argv[])
{
int i;
pid_t pid;
char *package_name = NULL;
char *service_name = NULL;
char *daemon_file_dir = NULL;
int interval = SLEEP_INTERVAL;
LOGI(LOG_TAG, "Copyright (c) 2015, Vincent Cheung<*****@*****.**>");
if (argc < 7)
{
LOGE(LOG_TAG, "usage: %s -p package-name -s "
"daemon-service-name -t interval-time", argv[0]);
return;
}
for (i = 0; i < argc; i ++)
{
if (!strcmp("-p", argv[i]))
{
package_name = argv[i + 1];
LOGD(LOG_TAG, "package name: %s", package_name);
}
if (!strcmp("-s", argv[i]))
{
service_name = argv[i + 1];
LOGD(LOG_TAG, "service name: %s", service_name);
}
if (!strcmp("-t", argv[i]))
{
interval = atoi(argv[i + 1]);
LOGD(LOG_TAG, "interval: %d", interval);
}
}
/* package name and service name should not be null */
if (package_name == NULL || service_name == NULL)
{
LOGE(LOG_TAG, "package name or service name is null");
return;
}
if ((pid = fork()) < 0)
{
exit(EXIT_SUCCESS);
}
else if (pid == 0)
{
/* add signal */
signal(SIGTERM, sigterm_handler);
/* become session leader */
setsid();
/* change work directory */
chdir("/");
for (i = 0; i < MAXFILE; i ++)
{
close(i);
}
/* find pid by name and kill them */
int pid_list[100];
int total_num = find_pid_by_name(argv[0], pid_list);
LOGD(LOG_TAG, "total num %d", total_num);
for (i = 0; i < total_num; i ++)
{
int retval = 0;
int daemon_pid = pid_list[i];
if (daemon_pid > 1 && daemon_pid != getpid())
{
retval = kill(daemon_pid, SIGTERM);
if (!retval)
{
LOGD(LOG_TAG, "kill daemon process success: %d", daemon_pid);
}
else
{
LOGD(LOG_TAG, "kill daemon process %d fail: %s", daemon_pid, strerror(errno));
exit(EXIT_SUCCESS);
}
}
}
LOGD(LOG_TAG, "child process fork ok, daemon start: %d", getpid());
while(sig_running)
{
interval = interval < SLEEP_INTERVAL ? SLEEP_INTERVAL : interval;
select_sleep(interval, 0);
LOGD(LOG_TAG, "check the service once, interval: %d", interval);
/* start service */
start_service(package_name, service_name);
}
exit(EXIT_SUCCESS);
}
else
{
/* parent process */
exit(EXIT_SUCCESS);
}
}
