int main(int argc, char * argv[]) {
Util::Config conf(argv[0], PACKAGE_VERSION);
mistIn conv(&conf);
if (conf.parseArgs(argc, argv)) {
IPC::semaphore playerLock;
if(conf.getString("streamname").size()) {
playerLock.open(std::string("/lock_" + conf.getString("streamname")).c_str(), O_CREAT | O_RDWR, ACCESSPERMS, 1);
if (!playerLock.tryWait()) {
DEBUG_MSG(DLVL_DEVEL, "A player for stream %s is already running", conf.getString("streamname").c_str());
return 1;
}
}
conf.activate();
while (conf.is_active) {
int pid = fork();
if (pid == 0) {
playerLock.close();
return conv.run();
}
if (pid == -1) {
DEBUG_MSG(DLVL_FAIL, "Unable to spawn player process");
playerLock.post();
return 2;
}
//wait for the process to exit
int status;
while (waitpid(pid, &status, 0) != pid && errno == EINTR) continue;
//if the exit was clean, don't restart it
if (WIFEXITED(status) && (WEXITSTATUS(status) == 0)) {
DEBUG_MSG(DLVL_MEDIUM, "Finished player succesfully");
break;
}
if (DEBUG >= DLVL_DEVEL) {
DEBUG_MSG(DLVL_DEVEL, "Player exited with errors - stopping because this is a development build.");
break;
}
}
playerLock.post();
playerLock.close();
}
return 0;
}
int main(int argc, char * argv[]) {
Util::Config conf(argv[0]);
mistIn conv(&conf);
if (conf.parseArgs(argc, argv)) {
std::string streamName = conf.getString("streamname");
conv.argumentsParsed();
IPC::semaphore playerLock;
if (conv.needsLock()) {
if (streamName.size()) {
char semName[NAME_BUFFER_SIZE];
snprintf(semName, NAME_BUFFER_SIZE, SEM_INPUT, streamName.c_str());
playerLock.open(semName, O_CREAT | O_RDWR, ACCESSPERMS, 1);
if (!playerLock.tryWait()) {
DEBUG_MSG(DLVL_DEVEL, "A player for stream %s is already running", streamName.c_str());
return 1;
}
}
}
conf.activate();
uint64_t reTimer = 0;
while (conf.is_active) {
pid_t pid = fork();
if (pid == 0) {
if (conv.needsLock()) {
playerLock.close();
}
return conv.run();
}
if (pid == -1) {
DEBUG_MSG(DLVL_FAIL, "Unable to spawn player process");
if (conv.needsLock()) {
playerLock.post();
}
return 2;
}
//wait for the process to exit
int status;
while (waitpid(pid, &status, 0) != pid && errno == EINTR) {
if (!conf.is_active) {
DEBUG_MSG(DLVL_DEVEL, "Shutting down input for stream %s because of signal interrupt...", streamName.c_str());
Util::Procs::Stop(pid);
}
continue;
}
//if the exit was clean, don't restart it
if (WIFEXITED(status) && (WEXITSTATUS(status) == 0)) {
DEBUG_MSG(DLVL_MEDIUM, "Input for stream %s shut down cleanly", streamName.c_str());
break;
}
#if DEBUG >= DLVL_DEVEL
WARN_MSG("Aborting autoclean; this is a development build.");
#else
conv.onCrash();
#endif
if (DEBUG >= DLVL_DEVEL) {
DEBUG_MSG(DLVL_DEVEL, "Input for stream %s uncleanly shut down! Aborting restart; this is a development build.", streamName.c_str());
break;
} else {
DEBUG_MSG(DLVL_DEVEL, "Input for stream %s uncleanly shut down! Restarting...", streamName.c_str());
Util::wait(reTimer);
reTimer += 1000;
}
}
if (conv.needsLock()) {
playerLock.post();
playerLock.unlink();
playerLock.close();
}
}
return 0;
}