Index: blimp/net/blimp_message_output_buffer.h |
diff --git a/blimp/net/blimp_message_output_buffer.h b/blimp/net/blimp_message_output_buffer.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..03c9beb9e345f55b62b5fa9d1a7fb0f34bc06561 |
--- /dev/null |
+++ b/blimp/net/blimp_message_output_buffer.h |
@@ -0,0 +1,53 @@ |
+// Copyright 2015 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#ifndef BLIMP_NET_BLIMP_MESSAGE_OUTPUT_BUFFER_H_ |
+#define BLIMP_NET_BLIMP_MESSAGE_OUTPUT_BUFFER_H_ |
+ |
+#include "base/macros.h" |
+#include "blimp/net/blimp_message_checkpoint_observer.h" |
+#include "blimp/net/blimp_message_processor.h" |
+#include "blimp/net/blimp_net_export.h" |
+ |
+namespace blimp { |
+ |
+class BlimpConnection; |
+ |
+// Provides a FIFO buffer for reliable, ordered message delivery. |
+// Messages are retained for redelivery until they are acknowledged by the |
+// receiving end (via BlimpMessageAckObserver). |
+// (Redelivery will be used in a future CL to implement Fast Recovery |
+// of dropped connections.) |
+class BLIMP_NET_EXPORT BlimpMessageOutputBuffer |
+ : public BlimpMessageProcessor, |
+ public BlimpMessageCheckpointObserver { |
+ public: |
+ BlimpMessageOutputBuffer(); |
+ ~BlimpMessageOutputBuffer() override; |
+ |
+ // Sets the processor to receive messages from this buffer. |
+ void set_outgoing_message_processor(BlimpMessageProcessor* processor) { |
+ NOTIMPLEMENTED(); |
Wez
2015/11/12 03:45:57
Simple setter is no good if it's not simple. Let's
Kevin M
2015/11/12 19:03:47
Done.
|
+ } |
+ |
+ // BlimpMessageProcessor implementation. |
+ // |callback|, if set, will be called once the remote end has acknowledged the |
+ // receipt of |message|. |
+ void ProcessMessage(const BlimpMessage& message, |
+ const net::CompletionCallback& callback) override; |
+ |
+ // MessageCheckpointObserver implementation. |
+ // Flushes acknowledged messages from the buffer and invokes their |
+ // |callbacks|, if any. |
+ // Callbacks should not destroy |this| so as to not interfere with the |
+ // processing of any other pending callbacks. |
+ void OnMessageCheckpoint(int64 message_id) override; |
+ |
+ private: |
+ DISALLOW_COPY_AND_ASSIGN(BlimpMessageOutputBuffer); |
+}; |
+ |
+} // namespace blimp |
+ |
+#endif // BLIMP_NET_BLIMP_MESSAGE_OUTPUT_BUFFER_H_ |