int32_t vrs_callback_update(const uint8_t session_id)
{
static Generic_Cmd *cmd;
int i;
/* Check if CTX was initialized */
if(vc_ctx == NULL) {
v_print_log(VRS_PRINT_ERROR, "Basic callback functions were not set.\n");
return VRS_NO_CB_FUNC;
} else {
int session_found = 0;
pthread_mutex_lock(&vc_ctx->mutex);
/* Go through all sessions ... */
for(i = 0; i<vc_ctx->max_sessions; i++) {
/* ... and try to find connection with session_id */
if(vc_ctx->vsessions[i] != NULL &&
vc_ctx->vsessions[i]->session_id == session_id) {
/* Pop all incoming commands from queue */
while(v_in_queue_cmd_count(vc_ctx->vsessions[i]->in_queue) > 0) {
cmd = v_in_queue_pop(vc_ctx->vsessions[i]->in_queue);
vc_call_callback_func(session_id, cmd);
v_cmd_destroy(&cmd);
}
session_found = 1;
break;
}
}
pthread_mutex_unlock(&vc_ctx->mutex);
if(session_found == 1) {
return VRS_SUCCESS;
}
}
v_print_log(VRS_PRINT_ERROR, "Invalid session_id: %d.\n", session_id);
return VRS_FAILURE;
}
/**
* \brief This is function of main data thread. It waits for new data in
* incoming queues of session, that are in OPEN/CLOSEREQ states.
*/
void *vs_data_loop(void *arg)
{
struct VS_CTX *vs_ctx = (struct VS_CTX*)arg;
struct Generic_Cmd *cmd;
struct timespec ts;
struct timeval tv;
int i, ret = 0;
gettimeofday(&tv, NULL);
ts.tv_sec = tv.tv_sec + 1;
ts.tv_nsec = 1000*tv.tv_usec;
while(vs_ctx->state != SERVER_STATE_CLOSED) {
#ifdef __linux__
ret = sem_timedwait(vs_ctx->data.sem, &ts);
#elif __APPLE__
/* Fast fix */
ret = sem_wait(vs_ctx->data.sem);
#endif
if(ret == 0) {
for(i=0; i<vs_ctx->max_sessions; i++) {
if(vs_ctx->vsessions[i]->dgram_conn->host_state == UDP_SERVER_STATE_OPEN ||
vs_ctx->vsessions[i]->stream_conn->host_state == TCP_SERVER_STATE_STREAM_OPEN)
{
/* Pop all data of incoming messages from queue */
while(v_in_queue_cmd_count(vs_ctx->vsessions[i]->in_queue) > 0) {
cmd = v_in_queue_pop(vs_ctx->vsessions[i]->in_queue);
vs_handle_node_cmd(vs_ctx, vs_ctx->vsessions[i], cmd);
v_cmd_destroy(&cmd);
}
}
}
} else {
if(errno == ETIMEDOUT) {
ts.tv_sec++;
}
}
}
v_print_log(VRS_PRINT_DEBUG_MSG, "Exiting data thread\n");
pthread_exit(NULL);
return NULL;
}
