void fwd_destroy(qeo_factory_t *factory)
{
lock(&factory->mutex);
if (true == factory->fwd.rqst_pending) {
/* Wait untill the fwd request is finished before continuing. */
qeo_log_i("waiting for the fwd request to finish.");
pthread_cond_wait(&factory->fwd.wait_rqst_finished, &factory->mutex);
}
unlock(&factory->mutex);
if (factory->flags.is_forwarder) {
fwd_server_unregister(factory);
if (FWD_STATE_ENABLED == factory->fwd.u.server.state) {
if (QEO_OK != fwd_server_instance_remove(factory)) {
qeo_log_e("failed to remove instance from forwarder topic");
}
}
if (NULL != factory->fwd.u.server.writer) {
qeocore_writer_close(factory->fwd.u.server.writer);
}
}
if (NULL != factory->fwd.reader) {
qeocore_reader_close(factory->fwd.reader);
}
if (NULL != factory->fwd.timer) {
DDS_Timer_delete(factory->fwd.timer);
}
pthread_cond_destroy(&factory->fwd.wait_rqst_finished);
fwd_locator_destroy(factory);
}
static void client_state_machine_eval_ul(qeo_factory_t *factory,
client_state_events_t event,
qeo_mgmt_client_locator_t *locator,
int64_t device_id)
{
qeo_log_i("received event %s in state %s", client_event_to_str(event),
client_state_to_str(factory->fwd.u.client.state));
switch (factory->fwd.u.client.state) {
case FWD_CLIENT_STATE_INIT:
switch (event) {
case CLIENT_EVENT_START:
factory->fwd.device_id = -1;
if (QEO_OK == client_start_timer(factory, 1)) {
factory->fwd.u.client.state = FWD_CLIENT_STATE_WAIT;
}
if (QEO_OK != qeocore_reader_enable(factory->fwd.reader)) {
qeo_log_e("error enabling forwarder topic reader");
}
if (QEO_OK != fwd_get_list(factory)) {
qeo_log_e("error requesting list of forwarders");
}
break;
default:
qeo_log_e("unexpected event %s in state %s", client_event_to_str(event),
client_state_to_str(factory->fwd.u.client.state));
break;
}
break;
case FWD_CLIENT_STATE_WAIT:
switch (event) {
case CLIENT_EVENT_TIMEOUT:
if (QEO_OK == client_start_timer(factory, 0)) {
factory->fwd.u.client.state = FWD_CLIENT_STATE_WAIT;
}
if (QEO_OK != fwd_get_list(factory)) {
qeo_log_e("error requesting list of forwarders");
}
break;
case CLIENT_EVENT_LOC_SRV_DATA_RECEIVED:
fwd_client_reconfig(factory, locator, device_id);
factory->fwd.u.client.state = FWD_CLIENT_STATE_WAIT_READER;
break;
case CLIENT_EVENT_FWD_DATA_RECEIVED:
fwd_client_reconfig(factory, locator, device_id);
DDS_Timer_stop(factory->fwd.timer);
factory->fwd.u.client.state = FWD_CLIENT_STATE_READY;
break;
default:
qeo_log_e("unexpected event %s in state %s", client_event_to_str(event),
client_state_to_str(factory->fwd.u.client.state));
break;
}
break;
case FWD_CLIENT_STATE_WAIT_READER:
switch (event) {
case CLIENT_EVENT_TIMEOUT:
if (QEO_OK == client_start_timer(factory, 0)) {
factory->fwd.u.client.state = FWD_CLIENT_STATE_WAIT;
}
fwd_locator_destroy(factory);
factory->fwd.device_id = -1;
if (QEO_OK != fwd_get_list(factory)) {
qeo_log_e("error requesting list of forwarders");
}
break;
case CLIENT_EVENT_FWD_DATA_RECEIVED:
DDS_Timer_stop(factory->fwd.timer);
factory->fwd.u.client.state = FWD_CLIENT_STATE_READY;
if (factory->fwd.device_id != device_id) {
fwd_client_reconfig(factory, locator, device_id);
}
break;
default:
qeo_log_e("unexpected event %s in state %s", client_event_to_str(event),
client_state_to_str(factory->fwd.u.client.state));
break;
}
break;
case FWD_CLIENT_STATE_READY:
switch (event) {
case CLIENT_EVENT_FWD_DATA_REMOVED:
if (QEO_OK == client_start_timer(factory, 1)) {
factory->fwd.u.client.state = FWD_CLIENT_STATE_WAIT;
}
fwd_locator_destroy(factory);
factory->fwd.device_id = -1;
if (QEO_OK != fwd_get_list(factory)) {
qeo_log_e("error requesting list of forwarders");
}
break;
default:
qeo_log_e("unexpected event %s in state %s", client_event_to_str(event),
client_state_to_str(factory->fwd.u.client.state));
break;
}
break;
}
qeo_log_i("new state %s", client_state_to_str(factory->fwd.u.client.state));
}
