blob: ff1b0bfd7a08086275c291a3413059e56e806abc [file] [log] [blame]
// Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
#ifndef BIN_NATIVE_SERVICE_H_
#define BIN_NATIVE_SERVICE_H_
#include "include/dart_api.h"
#include "platform/globals.h"
#include "platform/thread.h"
namespace dart {
namespace bin {
// Utility class to set up a native service and allocate Dart native
// ports to interact with it from Dart code. The number of native ports
// allocated for each service is limited.
class NativeService {
public:
// Create a native service with the given name and handler. Allow
// the creation of [number_of_ports] native ports for the service.
// If GetServicePort is called more than [number_of_ports] times
// one of the already allocated native ports will be reused.
NativeService(const char* name,
Dart_NativeMessageHandler handler,
int number_of_ports);
~NativeService();
// Get a Dart native port for this native service.
Dart_Port GetServicePort();
private:
// Name and handler for the native service.
const char* name_;
Dart_NativeMessageHandler handler_;
// Allocated native ports for the service. Mutex protected since
// the service can be used from multiple isolates.
dart::Mutex mutex_;
int service_ports_size_;
Dart_Port* service_ports_;
int service_ports_index_;
DISALLOW_IMPLICIT_CONSTRUCTORS(NativeService);
};
} // namespace bin
} // namespace dart
#endif // BIN_NATIVE_SERVICE_H_