cf_uint32 Get()
{
return ReadPid();
}
int
main(int argc, char *argv[], char *envp[])
{
int i, poolid, classid;
ssize_t len;
key_t key;
char *msg;
// Parse the options and configure appropriate values.
parse_opt(argc, argv);
// Read the configuration
setConfigFile();
myConfigServerType = CONFIG_SERPLEX_EXECD;
DoConfig(ConfigureExecD);
// Daemonize
if (execd_daemonize) {
daemonize();
(void) freopen( "/dev/null", "r", stdin );
(void) freopen( "/var/log/iserverout.log", "a", stdout );
(void) freopen( "/var/log/iservererr.log", "a", stderr );
for (i = 3; i < MAXFD; i++) {
close(i);
}
}
// Start the signal handler thread.
SignalInit();
NetSyslogOpen(pname, NETLOG_ASYNC);
sprintf(pidf, "%s/%s", PIDS_DIRECTORY, EXECD_PID_FILE);
execdpid = ReadPid(pidf);
if ( execdpid > 0 ) {
if ((kill(execdpid, 0) == 0) || (errno != ESRCH)) {
NETERROR(MRSD, ("%s seems to be running already - exiting\n", basename(argv[0])));
exit(0);
}
else /* Get rid of the leftover file */
UnlinkPid(pidf);
}
StorePid(pidf);
NETINFOMSG(MEXECD, ("*** NexTone Cmd Execution Server started ***\n"));
// Start the thread which sends message to pm
Initpoll(EXECD_ID, SERPLEX_GID);
Sendpoll(0);
ThreadLaunch((PFVP)SendPMPoll, NULL, 1);
// Get the msg_q id. If it does not exist then create it
if ((key = ftok(ISERVER_FTOK_PATH, ISERVER_EXECD_Q)) < 0) {
NETERROR(MEXECD, ("ftok: %s\n", strerror(errno)));
exit(0);
}
if (q_vget(key, 0, MAX_NUM_MSG, MAX_MSGLEN, &msgqid) < 0) {
NETERROR(MEXECD, ("q_vget: %s\n", strerror(errno)));
exit(0);
}
#ifdef USE_SYS_POPEN
sys_utils_init();
#endif
// Start a threadpool of worker threads
poolid = ThreadPoolInit("execcmd", nthreads, PTHREAD_SCOPE_PROCESS, -1, 0);
classid = ThreadAddPoolClass("execcmd", poolid, 0, 0);
ThreadPoolStart(poolid);
// msgqid has to be valid if we reached here
for( ; ; ) {
if (!(msg = malloc(MAX_MSGLEN))) {
NETERROR(MEXECD, ("malloc: %s\n", strerror(errno)));
sleep(5); // sleep and try again
continue;
}
if (q_vreceive(msgqid, msg, MAX_MSGLEN, SRVR_MSG_TYP, 0, &len) < 0) {
NETERROR(MEXECD, ("q_vreceive: %s\n", strerror(errno)));
// Check error types
if (errno == EIDRM) {
printf("execd: stop messing with my message queue\n");
// somebody deleted the queue
if (q_vget(key, 0, MAX_NUM_MSG, MAX_MSGLEN, &msgqid) < 0) {
NETERROR(MEXECD, ("q_vget: %s\n", strerror(errno)));
exit(0);
}
}
free(msg);
continue;
}
if (ThreadDispatch(poolid, classid, (PFVP)CmdWorker, msg, 1,
PTHREAD_SCOPE_PROCESS, SCHED_FIFO, 59) < 0) {
NETERROR(MRSD, ("ThreadDispatch: No free thread\n"));
// Send response in a new thread
ThreadLaunch((PFVP)SendFailMsg, msg, 1);
}
}
}
