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Unified Diff: blimp/net/blimp_message_output_buffer.h

Issue 2632803002: Remove all blimp network code. (Closed)
Patch Set: merge from origin/master for good measure Created 3 years, 11 months ago
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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
deleted file mode 100644
index e5895d490fdf1237b5905896f7258af5f98bace6..0000000000000000000000000000000000000000
--- a/blimp/net/blimp_message_output_buffer.h
+++ /dev/null
@@ -1,101 +0,0 @@
-// 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 <stdint.h>
-
-#include <list>
-#include <queue>
-#include <utility>
-
-#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"
-#include "net/base/completion_callback.h"
-
-namespace blimp {
-
-// Provides a FIFO buffer for reliable, ordered message delivery.
-// Messages are retained for redelivery until they are acknowledged by the
-// receiving end (via BlimpMessageCheckpointObserver).
-// Messages can be paired with callbacks that are invoked on successful
-// message acknowledgment.
-// (Redelivery will be used in a future CL to implement Fast Recovery
-// of dropped connections.)
-// BlimpMessageOutputBuffer is created on the UI thread, and then used and
-// destroyed on the IO thread.
-class BLIMP_NET_EXPORT BlimpMessageOutputBuffer
- : public BlimpMessageProcessor,
- public BlimpMessageCheckpointObserver {
- public:
- explicit BlimpMessageOutputBuffer(int max_buffer_size_bytes);
- ~BlimpMessageOutputBuffer() override;
-
- // Sets the processor that will be used for writing buffered messages.
- void SetOutputProcessor(BlimpMessageProcessor* processor);
-
- // Marks all messages in buffer for retransmission.
- void RetransmitBufferedMessages();
-
- // BlimpMessageProcessor implementation.
- // |callback|, if set, will be called once the remote end has acknowledged the
- // receipt of |message|.
- void ProcessMessage(std::unique_ptr<BlimpMessage> message,
- const net::CompletionCallback& callback) override;
-
- // MessageCheckpointObserver implementation.
- void OnMessageCheckpoint(int64_t message_id) override;
-
- int GetBufferByteSizeForTest() const;
- int GetUnacknowledgedMessageCountForTest() const;
-
- private:
- struct BufferEntry {
- BufferEntry(std::unique_ptr<BlimpMessage> message,
- net::CompletionCallback callback);
- ~BufferEntry();
-
- const std::unique_ptr<BlimpMessage> message;
- const net::CompletionCallback callback;
- };
-
- typedef std::list<std::unique_ptr<BufferEntry>> MessageBuffer;
-
- // Writes the next message in the buffer if an output processor is attached
- // and the buffer contains a message.
- void WriteNextMessageIfReady();
-
- // Receives the completion status of a write operation.
- void OnWriteComplete(int result);
-
- BlimpMessageProcessor* output_processor_ = nullptr;
- net::CancelableCompletionCallback write_complete_cb_;
-
- // Maximum serialized footprint of buffered messages.
- int max_buffer_size_bytes_;
-
- // Serialized footprint of the messages contained in the write and ack
- // buffers.
- int current_buffer_size_bytes_ = 0;
-
- // The ID used by the last outgoing message.
- int64_t prev_message_id_ = 0;
-
- // List of unsent messages.
- MessageBuffer write_buffer_;
-
- // List of messages that are sent and awaiting acknowledgment.
- // The messages in |ack_buffer_| are contiguous with the messages in
- // |write_buffer_|.
- MessageBuffer ack_buffer_;
-
- DISALLOW_COPY_AND_ASSIGN(BlimpMessageOutputBuffer);
-};
-
-} // namespace blimp
-
-#endif // BLIMP_NET_BLIMP_MESSAGE_OUTPUT_BUFFER_H_
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