/**
* \brief This function destroy branch of nodes
*/
int vs_node_destroy_branch(struct VS_CTX *vs_ctx,
struct VSNode *node,
uint8 send)
{
struct VSNode *child_node;
struct VSEntityFollower *node_follower;
struct VSLink *link, *next_link;
int ret = 0;
link = node->children_links.first;
/* Remove all sub-branches */
while(link != NULL) {
child_node = link->child;
next_link = link->next;
vs_node_destroy_branch(vs_ctx, child_node, send);
link = next_link;
}
node_follower = node->node_folls.first;
if(node_follower != NULL && send == 1) {
/* Send node_destroy command to all clients that knows about this node */
ret = vs_node_send_destroy(node);
/* Own node will be destroyed, when verse server receive confirmation
* of receiving node_destroy command */
} else {
/* When all clients consider this node as destroyed, then it is
* possible to remove it from server */
ret = vs_node_destroy(vs_ctx, node);
}
return ret;
}
/**
* \brief This function tries to handle node_destroy command
*/
int vs_handle_node_destroy(struct VS_CTX *vs_ctx,
struct VSession *vsession,
struct Generic_Cmd *node_destroy)
{
struct VSUser *user;
struct VSNode *node;
uint32 node_id = UINT32(node_destroy->data[0]);
/* Try to find node */
if((node = vs_node_find(vs_ctx, node_id)) == NULL) {
v_print_log(VRS_PRINT_DEBUG_MSG, "%s() node (id: %d) not found\n",
__FUNCTION__, node_id);
return 0;
}
/* Node has to be created */
if(! (node->state == ENTITY_CREATED || node->state == ENTITY_CREATING)) {
v_print_log(VRS_PRINT_DEBUG_MSG,
"%s() node (id: %d) is not in NODE_CREATED state: %d\n",
__FUNCTION__, node->id, node->state);
return 0;
}
/* Try to find user */
if((user = 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);
return 0;
}
/* Is this user owner of this node? */
if(user != node->owner) {
v_print_log(VRS_PRINT_DEBUG_MSG,
"user_id: %d is not owner of the node (id: %d) and can't delete this node.\n",
vsession->user_id, node->id);
return 0;
}
return vs_node_send_destroy(node);
}
