/**
* \brief This function creates new node at verse server, when client sent
* node_create command.
*/
static struct VSNode *vs_node_new(struct VS_CTX *vs_ctx,
struct VSession *vsession,
const uint16 type)
{
struct VSNode *node = NULL;
struct VSNode find_node, *avatar_node;
struct VSUser *owner;
struct VBucket *bucket;
struct VSNodePermission *perm;
struct VSNodeSubscriber *node_subscriber;
/* Try to find avatar node to be able to create initial link to
* avatar node (initial parent of new created node) */
find_node.id = vsession->avatar_id;
bucket = v_hash_array_find_item(&vs_ctx->data.nodes, &find_node);
if(bucket != NULL) {
avatar_node = (struct VSNode*)bucket->data;
} else {
v_print_log(VRS_PRINT_DEBUG_MSG, "vsession->avatar_id: %d not found\n", vsession->avatar_id);
goto end;
}
/* Try to find owner of the new node */
if((owner = vs_user_find(vs_ctx, vsession->user_id)) == NULL) {
v_print_log(VRS_PRINT_DEBUG_MSG, "vsession->user_id: %d not found\n", vsession->user_id);
goto end;
}
/* Try to create new verse node */
if( (node = vs_node_create(vs_ctx, avatar_node, owner, VRS_RESERVED_NODE_ID, type)) == NULL) {
goto end;
}
/* Set initial state of this node */
node->state = ENTITY_CREATING;
/* Find node representing fake user other_users */
if( vs_ctx->other_users != NULL) {
/* Set access permissions for other users */
perm = (struct VSNodePermission *)calloc(1, sizeof(struct VSNodePermission));
perm->user = vs_ctx->other_users;
/* TODO: implement default session permissions and use them,
* when are available */
perm->permissions = vs_ctx->default_perm;
v_list_add_tail(&node->permissions, perm);
}
/* Send node_create to all subscribers of avatar node data */
node_subscriber = avatar_node->node_subs.first;
while(node_subscriber) {
vs_node_send_create(node_subscriber, node, avatar_node);
node_subscriber = node_subscriber->next;
}
end:
return node;
}
static void callback_send_node_create(void *user_data, VNodeID node_id, uint8 type, VNodeOwner owner_id)
{
vs_node_create(vs_get_avatar(), type);
}
