/**
* Check the service still exists and start a worker that will
* just perform a TCP-connect test.
*/
static int
_check_tcp_service_task(gpointer udata, GError **error)
{
struct service_info_s *si;
struct namespace_data_s *ns_data;
struct taskdata_checksrv_s *task_data;
task_data = udata;
ns_data = g_hash_table_lookup(namespaces, task_data->ns_name);
if (!ns_data) {
task_done(task_data->task_name);
GSETERROR(error, "Namespace unavailable");
return 0;
}
/* if the service does not exists, the task itself is de-scheduled */
if (!(si=g_hash_table_lookup(ns_data->local_services, task_data->srv_key))
&& !(si=g_hash_table_lookup(ns_data->down_services, task_data->srv_key))) {
task_done(task_data->task_name);
task_stop(task_data->task_name);
INFO("Service [%s] does not exist, stopping task [%s]", task_data->srv_key, task_data->task_name);
return 1;
}
/* Now start a worker for this service. The worker has its own session_data,
* without hard reference to the task_t or the namespace_data_t */
do {
int fd = addrinfo_connect_nopoll(&(si->addr), 1000, error);
if (0 > fd) {
GSETERROR(error, "Connection to gridd server failed : (%d) %s",
errno, strerror(errno));
return 0;
}
sock_set_linger(fd, 1, 0);
struct workerdata_checksrv_s *wdata = g_malloc0(sizeof(*wdata));
g_strlcpy(wdata->task_name, task_data->task_name, sizeof(wdata->task_name)-1);
g_strlcpy(wdata->ns_name, task_data->ns_name, sizeof(wdata->ns_name)-1);
g_strlcpy(wdata->srv_key, task_data->srv_key, sizeof(wdata->srv_key)-1);
worker_t *worker = g_malloc0(sizeof(worker_t));
worker->func = _check_tcp_service_worker_func;
worker->clean = _check_tcp_service_worker_cleaner;
worker->timeout.startup = 1000;
worker->timeout.activity = 1000;
worker->data.sock_timeout = 1000;
worker->data.fd = fd;
worker->data.session = wdata;
if (!add_fd_to_io_scheduler(worker, EPOLLOUT, error)) {
_mark_service_state(task_data->ns_name, wdata->srv_key, FALSE);
task_done(task_data->task_name);
g_free(worker);
g_free(wdata);
GSETERROR(error, "Failed to add socket fd=%d to io_scheduler : %s", fd, strerror(errno));
return 0;
}
TRACE("TCP-connect tried to [%s] for [%s] (fd=%d)", task_data->srv_key, task_data->task_name, fd);
} while (0);
return 1;
}
gboolean
sock_set_linger_default(int fd)
{
return sock_set_linger(fd, SOCK_DEFAULT_LINGER_ONOFF,
SOCK_DEFAULT_LINGER_DELAY);
}