コード例 #1
0
watcher_object_list_t *collectWatchers(zhandle_t *zh,int type, char *path)
{
    struct watcher_object_list *list = create_watcher_object_list(0);

    if(type==ZOO_SESSION_EVENT) {
        watcher_object_t defWatcher;
        defWatcher.watcher=zh->watcher;
        defWatcher.context=zh->context;
        add_to_list(&list, &defWatcher, 1);
        collect_session_watchers(zh, &list);
        return list;
    }
    switch(type) {
    case CREATED_EVENT_DEF:
    case CHANGED_EVENT_DEF:
        // look up the watchers for the path and move them to a delivery list
        add_for_event(zh->active_node_watchers,path,&list);
        add_for_event(zh->active_exist_watchers,path,&list);
        break;
    case CHILD_EVENT_DEF:
        // look up the watchers for the path and move them to a delivery list
        add_for_event(zh->active_child_watchers,path,&list);
        break;
    case DELETED_EVENT_DEF:
        // look up the watchers for the path and move them to a delivery list
        add_for_event(zh->active_node_watchers,path,&list);
        add_for_event(zh->active_exist_watchers,path,&list);
        add_for_event(zh->active_child_watchers,path,&list);
        break;
    }
    return list;
}
コード例 #2
0
static int do_insert_watcher_object(zk_hashtable *ht, const char *path, watcher_object_t* wo)
{
    int res=1;
    watcher_object_list_t* wl;

    wl=hashtable_search(ht->ht,(void*)path);
    if(wl==0) {
        int res;
        /* inserting a new path element */
        res=hashtable_insert(ht->ht,strdup(path),create_watcher_object_list(wo));
        assert(res);
    } else {
        /* path already exists; check if the watcher already exists */
        res = add_to_list(&wl, wo, 1);
    }
    return res;
}
コード例 #3
0
ファイル: zk_hashtable.c プロジェクト: 10fish/datafari
static int do_insert_watcher_object(zk_hashtable *ht, const char *path, watcher_object_t* wo)
{
    int res=1;
    watcher_object_list_t* wl;

    wl=hashtable_search(ht->ht,(void*)path);
    if(wl==0){
        int res;
        /* inserting a new path element */
        res=hashtable_insert(ht->ht,strdup(path),create_watcher_object_list(wo));
        assert(res);
    }else{
        /*
         * Path already exists; check if the watcher already exists.
         * Don't clone the watcher since it's allocated on the heap --- avoids
         * a memory leak and saves a clone operation (calloc + copy).
         */
        res = add_to_list(&wl, wo, 0);
    }
    return res;    
}