node.js binding fixes

node-binding/client.h

@@ -36,6 +36,7 @@ private:
     uv_poll_t poll_watcher;
     // FIXME: Is it really needed?
     std::mutex mu;
+    std::vector<std::function<void()>> postponed;
 
     NodeVitastor();
 
@@ -44,6 +45,14 @@ private:
     static void on_write_finish(void *opaque, long retval);
     static void on_read_bitmap_finish(void *opaque, long retval, uint8_t *bitmap);
 
+    void run_postponed();
+    static void postpone_read_finish(void *opaque, long retval, uint64_t version);
+    static void postpone_write_finish(void *opaque, long retval);
+    static void postpone_read_bitmap_finish(void *opaque, long retval, uint8_t *bitmap);
+
+    NodeVitastorRequest* get_read_request(const Nan::FunctionCallbackInfo<v8::Value> & info, int argpos);
+    NodeVitastorRequest* get_write_request(const Nan::FunctionCallbackInfo<v8::Value> & info, int argpos);
+
     friend class NodeVitastorImage;
     friend class NodeVitastorKV;
     friend class NodeVitastorKVListing;
@@ -74,11 +83,10 @@ private:
     std::vector<NodeVitastorRequest*> on_init;
     Nan::Persistent<v8::Object> cliObj;
 
-    NodeVitastorImage();
-
     static void on_watch_start(void *opaque, long retval);
     void exec_request(NodeVitastorRequest *req);
     void exec_or_wait(NodeVitastorRequest *req);
+    void fill_info(v8::Local<v8::Object> & res);
 };
 
 class NodeVitastorKV: public Nan::ObjectWrap
@@ -86,7 +94,7 @@ class NodeVitastorKV: public Nan::ObjectWrap
 public:
     // constructor(node_vitastor)
     static NAN_METHOD(Create);
-    // open(inode_id, { ...config }, callback(err))
+    // open(pool_id, inode_num, { ...config }, callback(err))
     static NAN_METHOD(Open);
     // set_config({ ...config })
     static NAN_METHOD(SetConfig);
@@ -113,8 +121,6 @@ private:
     NodeVitastor *cli = NULL;
     vitastorkv_dbw_t *dbw = NULL;
 
-    NodeVitastorKV();
-
     static void get_impl(const Nan::FunctionCallbackInfo<v8::Value> & info, bool allow_cache);
 
     friend class NodeVitastorKVListing;
@@ -135,8 +141,6 @@ public:
 private:
     NodeVitastorKV *kv = NULL;
     void *handle = NULL;
-
-    NodeVitastorKVListing();
 };
 
 #endif