/**
* \brief This function sends Node_Create command to the subscriber of parent
* node.
*/
int vs_node_send_create(struct VSNodeSubscriber *node_subscriber,
struct VSNode *node,
struct VSNode *avatar_node)
{
struct Generic_Cmd *node_create_cmd = NULL;
struct VSEntityFollower *node_follower;
/* Check if this node is in created/creating state */
if(!(node->state == ENTITY_CREATING || node->state == ENTITY_CREATED)) {
v_print_log(VRS_PRINT_DEBUG_MSG,
"This node: %d is in %d state\n", node->id, node->state);
return 0;
}
/* Check if this command, has not been already sent */
node_follower = node->node_folls.first;
while(node_follower != NULL) {
if(node_follower->node_sub->session->session_id == node_subscriber->session->session_id &&
(node_follower->state == ENTITY_CREATING ||
node_follower->state == ENTITY_CREATED))
{
v_print_log(VRS_PRINT_DEBUG_MSG,
"Client already knows about node: %d\n", node->id);
return 0;
}
node_follower = node_follower->next;
}
if(avatar_node != NULL){
node_create_cmd = v_node_create_create(node->id, avatar_node->id, node->owner->user_id, node->type);
} else {
node_create_cmd = v_node_create_create(node->id, node->parent_link->parent->id, node->owner->user_id, node->type);
}
if ( node_create_cmd != NULL &&
v_out_queue_push_tail(node_subscriber->session->out_queue,
node_subscriber->prio,
node_create_cmd) == 1)
{
/* Add this session to the list of session, that knows about this
* node. Server could send them node_destroy in the future. */
node_follower = (struct VSEntityFollower*)calloc(1, sizeof(struct VSEntityFollower));
node_follower->node_sub = node_subscriber;
node_follower->state = ENTITY_CREATING;
v_list_add_tail(&node->node_folls, node_follower);
return 1;
}
return 0;
}
int32_t vrs_send_node_create(const uint8_t session_id,
const uint8_t prio,
const uint16_t type)
{
int i, ret;
/* This function is more complicated, because avatar ID and user ID are
* stored in session */
if(vc_ctx == NULL) {
v_print_log(VRS_PRINT_ERROR, "Basic callback functions were not set.\n");
return VRS_NO_CB_FUNC;
} else {
/* Go through all sessions ... */
for(i=0; i<vc_ctx->max_sessions; i++) {
/* ... and try to find session with session_id */
if(vc_ctx->vsessions[i]!=NULL &&
vc_ctx->vsessions[i]->session_id==session_id)
{
struct Generic_Cmd *node_create_cmd = v_node_create_create(VRS_RESERVED_NODE_ID,
vc_ctx->vsessions[i]->avatar_id,
vc_ctx->vsessions[i]->user_id,
type);
assert(node_create_cmd != NULL);
ret = v_out_queue_push_tail(vc_ctx->vsessions[i]->out_queue,
OUT_QUEUE_LIMITS, prio, node_create_cmd);
if(ret == 1)
return VRS_SUCCESS;
else
return VRS_FAILURE;
}
}
}
v_print_log(VRS_PRINT_ERROR, "Session %d does not exist.\n", session_id);
return VRS_FAILURE;
}
