| // 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_ |