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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 #ifndef VM_NATIVE_MESSAGE_HANDLER_H_ | 5 #ifndef VM_NATIVE_MESSAGE_HANDLER_H_ |
6 #define VM_NATIVE_MESSAGE_HANDLER_H_ | 6 #define VM_NATIVE_MESSAGE_HANDLER_H_ |
7 | 7 |
8 #include "include/dart_api.h" | 8 #include "include/dart_api.h" |
9 #include "vm/message.h" | 9 #include "vm/message_handler.h" |
10 | 10 |
11 namespace dart { | 11 namespace dart { |
12 | 12 |
13 // A NativeMessageHandler accepts messages and dispatches them to | 13 // A NativeMessageHandler accepts messages and dispatches them to |
14 // native C handlers. | 14 // native C handlers. |
15 class NativeMessageHandler : public MessageHandler { | 15 class NativeMessageHandler : public MessageHandler { |
16 public: | 16 public: |
17 NativeMessageHandler(const char* name, Dart_NativeMessageHandler func); | 17 NativeMessageHandler(const char* name, Dart_NativeMessageHandler func); |
18 ~NativeMessageHandler(); | 18 ~NativeMessageHandler(); |
19 | 19 |
20 const char* name() const { return name_; } | 20 const char* name() const { return name_; } |
21 Dart_NativeMessageHandler func() const { return func_; } | 21 Dart_NativeMessageHandler func() const { return func_; } |
22 | 22 |
| 23 bool HandleMessage(Message* message); |
| 24 |
23 #if defined(DEBUG) | 25 #if defined(DEBUG) |
24 // Check that it is safe to access this handler. | 26 // Check that it is safe to access this handler. |
25 void CheckAccess(); | 27 void CheckAccess(); |
26 #endif | 28 #endif |
27 | 29 |
28 // Delete this handlers when its last live port is closed. | 30 // Delete this handlers when its last live port is closed. |
29 virtual bool OwnedByPortMap() const { return true; } | 31 virtual bool OwnedByPortMap() const { return true; } |
30 | 32 |
31 // Start a worker thread which will service messages for this handler. | |
32 // | |
33 // TODO(turnidge): Instead of starting a worker for each | |
34 // NativeMessageHandler, we should instead use a shared thread pool | |
35 // which services a queue of ready MessageHandlers. If we implement | |
36 // this correctly, the same pool will work for | |
37 // IsolateMessageHandlers as well. | |
38 void StartWorker(); | |
39 | |
40 private: | 33 private: |
41 char* name_; | 34 char* name_; |
42 Dart_NativeMessageHandler func_; | 35 Dart_NativeMessageHandler func_; |
43 }; | 36 }; |
44 | 37 |
45 } // namespace dart | 38 } // namespace dart |
46 | 39 |
47 #endif // VM_NATIVE_MESSAGE_HANDLER_H_ | 40 #endif // VM_NATIVE_MESSAGE_HANDLER_H_ |
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