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// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.

#ifndef NODE_STAT_WATCHER_H_
#define NODE_STAT_WATCHER_H_

#include "node.h"
#include "uv-private/ev.h"

namespace node {

class StatWatcher : ObjectWrap {
 public:
  static void Initialize(v8::Handle<v8::Object> target);

 protected:
  static v8::Persistent<v8::FunctionTemplate> constructor_template;

  StatWatcher() : ObjectWrap() {
    persistent_ = false;
    path_ = NULL;
    ev_init(&watcher_, StatWatcher::Callback);
    watcher_.data = this;
  }

  ~StatWatcher() {
    Stop();
    assert(path_ == NULL);
  }

  static v8::Handle<v8::Value> New(const v8::Arguments& args);
  static v8::Handle<v8::Value> Start(const v8::Arguments& args);
  static v8::Handle<v8::Value> Stop(const v8::Arguments& args);

 private:
  static void Callback(EV_P_ ev_stat *watcher, int revents);

  void Stop();

  ev_stat watcher_;
  bool persistent_;
  char *path_;
};

} // namespace node
#endif // NODE_STAT_WATCHER_H_
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