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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "blimp/net/stream_packet_writer.h" | 5 #include "blimp/net/stream_packet_writer.h" |
| 6 | 6 |
| 7 #include <iostream> | 7 #include <iostream> |
| 8 | 8 |
| 9 #include "base/callback_helpers.h" | 9 #include "base/callback_helpers.h" |
| 10 #include "base/logging.h" | 10 #include "base/logging.h" |
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| 48 StreamPacketWriter::~StreamPacketWriter() {} | 48 StreamPacketWriter::~StreamPacketWriter() {} |
| 49 | 49 |
| 50 void StreamPacketWriter::WritePacket(scoped_refptr<net::DrainableIOBuffer> data, | 50 void StreamPacketWriter::WritePacket(scoped_refptr<net::DrainableIOBuffer> data, |
| 51 const net::CompletionCallback& callback) { | 51 const net::CompletionCallback& callback) { |
| 52 DCHECK_EQ(WriteState::IDLE, write_state_); | 52 DCHECK_EQ(WriteState::IDLE, write_state_); |
| 53 DCHECK(data); | 53 DCHECK(data); |
| 54 CHECK(data->BytesRemaining()); | 54 CHECK(data->BytesRemaining()); |
| 55 | 55 |
| 56 write_state_ = WriteState::HEADER; | 56 write_state_ = WriteState::HEADER; |
| 57 header_buffer_->SetOffset(0); | 57 header_buffer_->SetOffset(0); |
| 58 *reinterpret_cast<uint32*>(header_buffer_->data()) = | 58 *reinterpret_cast<uint32_t*>(header_buffer_->data()) = |
| 59 base::HostToNet32(data->BytesRemaining()); | 59 base::HostToNet32(data->BytesRemaining()); |
| 60 payload_buffer_ = data; | 60 payload_buffer_ = data; |
| 61 | 61 |
| 62 int result = DoWriteLoop(net::OK); | 62 int result = DoWriteLoop(net::OK); |
| 63 if (result != net::ERR_IO_PENDING) { | 63 if (result != net::ERR_IO_PENDING) { |
| 64 // Release the payload buffer, since the write operation has completed | 64 // Release the payload buffer, since the write operation has completed |
| 65 // synchronously. | 65 // synchronously. |
| 66 payload_buffer_ = nullptr; | 66 payload_buffer_ = nullptr; |
| 67 | 67 |
| 68 // Adapt synchronous completion to an asynchronous style. | 68 // Adapt synchronous completion to an asynchronous style. |
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| 141 | 141 |
| 142 // If the write finished, either successfully or by error, inform the | 142 // If the write finished, either successfully or by error, inform the |
| 143 // caller. | 143 // caller. |
| 144 if (result != net::ERR_IO_PENDING) { | 144 if (result != net::ERR_IO_PENDING) { |
| 145 payload_buffer_ = nullptr; | 145 payload_buffer_ = nullptr; |
| 146 base::ResetAndReturn(&callback_).Run(result); | 146 base::ResetAndReturn(&callback_).Run(result); |
| 147 } | 147 } |
| 148 } | 148 } |
| 149 | 149 |
| 150 } // namespace blimp | 150 } // namespace blimp |
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