static void child_watch_cb (GPid pid, gint status, Job *job)
{
/* Close pid */
g_spawn_close_pid (pid);
job->age += 1;
job->worker_pid = 0;
if (WIFEXITED (status) && (WEXITSTATUS (status) == 0)) {
GST_ERROR ("Job with pid %d normaly exit, status is %d", pid, WEXITSTATUS (status));
*(job->output->state) = GST_STATE_NULL;
job->eos = TRUE;
}
if (WIFEXITED (status) && (WEXITSTATUS (status) != 0)) {
GST_ERROR ("Job with pid %d abnormaly exit, status is %d", pid, WEXITSTATUS (status));
*(job->output->state) = GST_STATE_NULL;
job->eos = TRUE;
}
if (WIFSIGNALED (status)) {
gchar *ret;
if (*(job->output->state) == GST_STATE_PAUSED) {
GST_ERROR ("Job with pid %d exit on an unhandled signal and paused, stopping gstreamill...", pid);
*(job->output->state) = GST_STATE_NULL;
return;
}
GST_ERROR ("Job with pid %d exit on an unhandled signal, restart.", pid);
job_reset (job);
ret = create_job_process (job);
if (g_str_has_suffix (ret, "failure")) {
/* create process failure, clean from job list */
*(job->output->state) = GST_STATE_NULL;
}
GST_ERROR ("create_job_process: %s", ret);
g_free (ret);
}
return;
}
/**
* gstreamill_job_start:
* @job: (in): json type of job description.
*
* Returns: json type of job execution result.
*/
gchar * gstreamill_job_start (Gstreamill *gstreamill, gchar *job_desc)
{
gchar *p, *name;
Job *job;
if (!jobdesc_is_valid (job_desc)) {
p = g_strdup_printf ("{\n \"result\": \"failure\",\n \"reason\": \"invalid job\"\n}");
return p;
}
if (jobdesc_is_live (job_desc)) {
GST_ERROR ("live job arrived:\n%s", job_desc);
} else {
GST_ERROR ("transcode job arrived:\n%s", job_desc);
}
/* create job object */
name = jobdesc_get_name (job_desc);
if (get_job (gstreamill, name) != NULL) {
GST_ERROR ("start job failure, duplicated name %s.", name);
p = g_strdup_printf ("{\n \"result\": \"failure\",\n \"reason\": \"duplicated name\"\n}");
g_free (name);
return p;
}
job = job_new ("job", job_desc, "name", name, "exe_path", gstreamill->exe_path, NULL);
g_free (name);
/* job initialize */
job->log_dir = gstreamill->log_dir;
g_mutex_init (&(job->access_mutex));
job->is_live = jobdesc_is_live (job_desc);
job->eos = FALSE;
job->current_access = 0;
job->age = 0;
job->last_start_time = NULL;
if (job_initialize (job, gstreamill->daemon) != 0) {
p = g_strdup_printf ("{\n \"result\": \"failure\",\n \"reason\": \"initialize job failure\"\n}");
g_object_unref (job);
return p;
}
if (job->is_live && (job_output_initialize (job) != 0)) {
p = g_strdup_printf ("{\n \"result\": \"failure\",\n \"reason\": \"initialize job output failure\"\n}");
g_object_unref (job);
return p;
}
/* reset and start job */
job_reset (job);
if (gstreamill->daemon) {
guint64 stat;
stat = create_job_process (job);
if (stat == JOB_STATE_PLAYING) {
GST_ERROR ("Start job %s success", job->name);
g_mutex_lock (&(gstreamill->job_list_mutex));
gstreamill->job_list = g_slist_append (gstreamill->job_list, job);
g_mutex_unlock (&(gstreamill->job_list_mutex));
p = g_strdup_printf ("{\n \"name\": \"%s\",\n\"result\": \"success\"\n}", job->name);
} else {
GST_ERROR ("Start job %s failure, return stat: %s", job->name, job_state_get_name (stat));
g_object_unref (job);
p = g_strdup_printf ("{\n \"result\": \"failure\",\n \"reason\": \"create process failure\"\n}");
}
} else {
job_encoders_output_initialize (job);
if (job_start (job) == 0) {
g_mutex_lock (&(gstreamill->job_list_mutex));
gstreamill->job_list = g_slist_append (gstreamill->job_list, job);
g_mutex_unlock (&(gstreamill->job_list_mutex));
p = g_strdup ("{\n \"result\": \"success\"\n}");
} else {
p = g_strdup_printf ("{\n \"result\": \"failure\",\n \"reason\": \"unknown\"\n}");
}
}
return p;
}
static void child_watch_cb (GPid pid, gint status, Job *job)
{
/* Close pid */
g_spawn_close_pid (pid);
job->age += 1;
job->worker_pid = 0;
if (WIFEXITED (status) && (WEXITSTATUS (status) == 0)) {
GST_ERROR ("Job %s normaly exit, status is %d", job->name, WEXITSTATUS (status));
*(job->output->state) = JOB_STATE_NULL;
job->eos = TRUE;
return;
}
if (WIFEXITED (status) && (WEXITSTATUS (status) != 0)) {
if (WEXITSTATUS (status) < 100) {
GST_ERROR ("Start job failure: subprocess return %d and don't restart it.", WEXITSTATUS (status));
return;
} else {
GST_ERROR ("Job %s exit on critical error return %d, restart ...", job->name, WEXITSTATUS (status));
job_reset (job);
if (create_job_process (job) == JOB_STATE_PLAYING) {
GST_ERROR ("Restart job %s success", job->name);
} else {
/* create process failure, clean from job list */
GST_ERROR ("Restart job %s failure", job->name);
*(job->output->state) = JOB_STATE_NULL;
}
}
}
if (WIFSIGNALED (status)) {
if (*(job->output->state) == JOB_STATE_PAUSED) {
GST_ERROR ("Job %s exit on signal and paused, stopping gstreamill...", job->name);
*(job->output->state) = JOB_STATE_NULL;
return;
}
if (!job->is_live) {
GST_ERROR ("Nonlive job %s exit on an unhandled signal.", job->name);
*(job->output->state) = JOB_STATE_NULL;
job->eos = TRUE;
return;
}
GST_ERROR ("Live job %s exit on an unhandled signal, restart.", job->name);
job_reset (job);
if (create_job_process (job) == JOB_STATE_PLAYING) {
GST_ERROR ("Restart job %s success", job->name);
} else {
/* create process failure, clean from job list */
GST_ERROR ("Restart job %s failure", job->name);
*(job->output->state) = JOB_STATE_NULL;
}
}
return;
}
/**
* gstreamill_job_start:
* @job: (in): json type of job description.
*
* Returns: json type of job execution result.
*/
gchar * gstreamill_job_start (Gstreamill *gstreamill, gchar *job_desc)
{
gchar *p, *name;
Job *job;
if (!jobdesc_is_valid (job_desc)) {
p = g_strdup ("Invalid job");
return p;
}
if (jobdesc_is_live (job_desc)) {
GST_ERROR ("live job arrived");
} else {
GST_ERROR ("transcode job arrived");
}
/* create job object */
name = jobdesc_get_name (job_desc);
if (get_job (gstreamill, name) != NULL) {
GST_ERROR ("start live job failure, duplicated name %s.", name);
p = g_strdup_printf ("start live job failure, duplicated name %s.", name);
g_free (name);
return p;
}
job = job_new ("job", job_desc, "name", name, NULL);
g_free (name);
/* job initialize */
job->log_dir = gstreamill->log_dir;
g_mutex_init (&(job->access_mutex));
job->is_live = jobdesc_is_live (job_desc);
job->eos = FALSE;
job->current_access = 0;
job->age = 0;
job->last_start_time = NULL;
if (job_initialize (job, gstreamill->daemon) != 0) {
p = g_strdup ("initialize job failure");
g_object_unref (job);
return p;
}
/* reset and start job */
job_reset (job);
if (gstreamill->daemon) {
p = create_job_process (job);
GST_ERROR ("%s: %s", p, job->name);
if (g_str_has_suffix (p, "success")) {
g_mutex_lock (&(gstreamill->job_list_mutex));
gstreamill->job_list = g_slist_append (gstreamill->job_list, job);
g_mutex_unlock (&(gstreamill->job_list_mutex));
} else {
g_object_unref (job);
}
} else {
if (job_start (job) == 0) {
g_mutex_lock (&(gstreamill->job_list_mutex));
gstreamill->job_list = g_slist_append (gstreamill->job_list, job);
g_mutex_unlock (&(gstreamill->job_list_mutex));
p = g_strdup ("success");
} else {
p = g_strdup ("failure");
}
}
return p;
}