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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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