| Index: blimp/net/stream_packet_writer.cc
|
| diff --git a/blimp/net/stream_packet_writer.cc b/blimp/net/stream_packet_writer.cc
|
| deleted file mode 100644
|
| index 04fed0a8e85a869373904ea7938d6bb584f9f055..0000000000000000000000000000000000000000
|
| --- a/blimp/net/stream_packet_writer.cc
|
| +++ /dev/null
|
| @@ -1,159 +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.
|
| -
|
| -#include "blimp/net/stream_packet_writer.h"
|
| -
|
| -#include <iostream>
|
| -
|
| -#include "base/callback_helpers.h"
|
| -#include "base/location.h"
|
| -#include "base/logging.h"
|
| -#include "base/memory/ref_counted.h"
|
| -#include "base/single_thread_task_runner.h"
|
| -#include "base/sys_byteorder.h"
|
| -#include "base/threading/thread_task_runner_handle.h"
|
| -#include "blimp/common/proto/blimp_message.pb.h"
|
| -#include "blimp/net/blimp_stats.h"
|
| -#include "blimp/net/common.h"
|
| -#include "net/base/io_buffer.h"
|
| -#include "net/base/net_errors.h"
|
| -#include "net/socket/stream_socket.h"
|
| -
|
| -namespace blimp {
|
| -
|
| -std::ostream& operator<<(std::ostream& out,
|
| - const StreamPacketWriter::WriteState state) {
|
| - switch (state) {
|
| - case StreamPacketWriter::WriteState::IDLE:
|
| - out << "IDLE";
|
| - break;
|
| - case StreamPacketWriter::WriteState::HEADER:
|
| - out << "HEADER";
|
| - break;
|
| - case StreamPacketWriter::WriteState::PAYLOAD:
|
| - out << "PAYLOAD";
|
| - break;
|
| - }
|
| - return out;
|
| -}
|
| -
|
| -StreamPacketWriter::StreamPacketWriter(net::StreamSocket* socket)
|
| - : write_state_(WriteState::IDLE),
|
| - socket_(socket),
|
| - header_buffer_(
|
| - new net::DrainableIOBuffer(new net::IOBuffer(kPacketHeaderSizeBytes),
|
| - kPacketHeaderSizeBytes)),
|
| - weak_factory_(this) {
|
| - DCHECK(socket_);
|
| -}
|
| -
|
| -StreamPacketWriter::~StreamPacketWriter() {}
|
| -
|
| -void StreamPacketWriter::WritePacket(
|
| - const scoped_refptr<net::DrainableIOBuffer>& data,
|
| - const net::CompletionCallback& callback) {
|
| - DCHECK_EQ(WriteState::IDLE, write_state_);
|
| - DCHECK(data);
|
| - CHECK(data->BytesRemaining());
|
| -
|
| - write_state_ = WriteState::HEADER;
|
| - header_buffer_->SetOffset(0);
|
| - *reinterpret_cast<uint32_t*>(header_buffer_->data()) =
|
| - base::HostToNet32(data->BytesRemaining());
|
| - payload_buffer_ = data;
|
| -
|
| - BlimpStats::GetInstance()->Add(BlimpStats::BYTES_SENT,
|
| - payload_buffer_->BytesRemaining());
|
| - int result = DoWriteLoop(net::OK);
|
| - if (result != net::ERR_IO_PENDING) {
|
| - // Release the payload buffer, since the write operation has completed
|
| - // synchronously.
|
| - payload_buffer_ = nullptr;
|
| -
|
| - // Adapt synchronous completion to an asynchronous style.
|
| - base::ThreadTaskRunnerHandle::Get()->PostTask(FROM_HERE,
|
| - base::Bind(callback, result));
|
| - } else {
|
| - callback_ = callback;
|
| - }
|
| -}
|
| -
|
| -int StreamPacketWriter::DoWriteLoop(int result) {
|
| - DCHECK_NE(net::ERR_IO_PENDING, result);
|
| - DCHECK_GE(result, 0);
|
| - DCHECK_NE(WriteState::IDLE, write_state_);
|
| -
|
| - while (result >= 0 && write_state_ != WriteState::IDLE) {
|
| - VLOG(2) << "DoWriteLoop (state=" << write_state_ << ", result=" << result
|
| - << ")";
|
| -
|
| - switch (write_state_) {
|
| - case WriteState::HEADER:
|
| - result = DoWriteHeader(result);
|
| - break;
|
| - case WriteState::PAYLOAD:
|
| - result = DoWritePayload(result);
|
| - break;
|
| - case WriteState::IDLE:
|
| - NOTREACHED();
|
| - result = net::ERR_UNEXPECTED;
|
| - break;
|
| - }
|
| - }
|
| -
|
| - return result;
|
| -}
|
| -
|
| -int StreamPacketWriter::DoWriteHeader(int result) {
|
| - DCHECK_EQ(WriteState::HEADER, write_state_);
|
| - DCHECK_GE(result, 0);
|
| -
|
| - header_buffer_->DidConsume(result);
|
| - if (header_buffer_->BytesRemaining() > 0) {
|
| - return DoWrite(header_buffer_.get(), header_buffer_->BytesRemaining());
|
| - }
|
| -
|
| - write_state_ = WriteState::PAYLOAD;
|
| - return net::OK;
|
| -}
|
| -
|
| -int StreamPacketWriter::DoWritePayload(int result) {
|
| - DCHECK_EQ(WriteState::PAYLOAD, write_state_);
|
| - DCHECK_GE(result, 0);
|
| -
|
| - payload_buffer_->DidConsume(result);
|
| - if (payload_buffer_->BytesRemaining() > 0) {
|
| - return DoWrite(payload_buffer_.get(), payload_buffer_->BytesRemaining());
|
| - }
|
| -
|
| - write_state_ = WriteState::IDLE;
|
| - return net::OK;
|
| -}
|
| -
|
| -void StreamPacketWriter::OnWriteComplete(int result) {
|
| - DCHECK_NE(net::ERR_IO_PENDING, result);
|
| -
|
| - if (result == 0) {
|
| - // Convert EOF return value to ERR_CONNECTION_CLOSED.
|
| - result = net::ERR_CONNECTION_CLOSED;
|
| - } else if (result > 0) {
|
| - // Write was successful; get the next one started.
|
| - result = DoWriteLoop(result);
|
| - if (result == net::ERR_IO_PENDING) {
|
| - return;
|
| - }
|
| - }
|
| -
|
| - payload_buffer_ = nullptr;
|
| - base::ResetAndReturn(&callback_).Run(result);
|
| -}
|
| -
|
| -int StreamPacketWriter::DoWrite(net::IOBuffer* buf, int buf_len) {
|
| - int result = socket_->Write(buf, buf_len,
|
| - base::Bind(&StreamPacketWriter::OnWriteComplete,
|
| - weak_factory_.GetWeakPtr()));
|
| - return (result != 0 ? result : net::ERR_CONNECTION_CLOSED);
|
| -}
|
| -
|
| -} // namespace blimp
|
|
|