コード例 #1
0
ファイル: mist_in.cpp プロジェクト: TribeMedia/mistserver
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;
}
コード例 #2
0
ファイル: mist_in.cpp プロジェクト: DDVTECH/mistserver
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;
}