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| 1 // Copyright 2017 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #include "content/network/net_adapters.h" |
| 6 |
| 7 #include "net/base/net_errors.h" |
| 8 |
| 9 namespace content { |
| 10 |
| 11 namespace { |
| 12 const uint32_t kMaxBufSize = 64 * 1024; |
| 13 } |
| 14 |
| 15 NetToMojoPendingBuffer::NetToMojoPendingBuffer( |
| 16 mojo::ScopedDataPipeProducerHandle handle, |
| 17 void* buffer) |
| 18 : handle_(std::move(handle)), buffer_(buffer) {} |
| 19 |
| 20 NetToMojoPendingBuffer::~NetToMojoPendingBuffer() { |
| 21 if (handle_.is_valid()) |
| 22 EndWriteDataRaw(handle_.get(), 0); |
| 23 } |
| 24 |
| 25 MojoResult NetToMojoPendingBuffer::BeginWrite( |
| 26 mojo::ScopedDataPipeProducerHandle* handle, |
| 27 scoped_refptr<NetToMojoPendingBuffer>* pending, |
| 28 uint32_t* num_bytes) { |
| 29 void* buf; |
| 30 *num_bytes = 0; |
| 31 MojoResult result = BeginWriteDataRaw(handle->get(), &buf, num_bytes, |
| 32 MOJO_WRITE_DATA_FLAG_NONE); |
| 33 if (result == MOJO_RESULT_OK) { |
| 34 if (*num_bytes > kMaxBufSize) |
| 35 *num_bytes = kMaxBufSize; |
| 36 *pending = new NetToMojoPendingBuffer(std::move(*handle), buf); |
| 37 } |
| 38 return result; |
| 39 } |
| 40 |
| 41 mojo::ScopedDataPipeProducerHandle NetToMojoPendingBuffer::Complete( |
| 42 uint32_t num_bytes) { |
| 43 EndWriteDataRaw(handle_.get(), num_bytes); |
| 44 buffer_ = NULL; |
| 45 return std::move(handle_); |
| 46 } |
| 47 |
| 48 NetToMojoIOBuffer::NetToMojoIOBuffer(NetToMojoPendingBuffer* pending_buffer) |
| 49 : net::WrappedIOBuffer(pending_buffer->buffer()), |
| 50 pending_buffer_(pending_buffer) {} |
| 51 |
| 52 NetToMojoIOBuffer::~NetToMojoIOBuffer() {} |
| 53 |
| 54 } // namespace content |
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