1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
|
// Copyright 2014 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 "remoting/protocol/fake_stream_socket.h"
#include <utility>
#include "base/bind.h"
#include "base/callback_helpers.h"
#include "base/location.h"
#include "base/single_thread_task_runner.h"
#include "base/threading/thread_task_runner_handle.h"
#include "net/base/address_list.h"
#include "net/base/io_buffer.h"
#include "net/base/net_errors.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace remoting {
namespace protocol {
FakeStreamSocket::FakeStreamSocket()
: task_runner_(base::ThreadTaskRunnerHandle::Get()), weak_factory_(this) {}
FakeStreamSocket::~FakeStreamSocket() {
EXPECT_TRUE(task_runner_->BelongsToCurrentThread());
if (peer_socket_) {
task_runner_->PostTask(
FROM_HERE, base::Bind(&FakeStreamSocket::AppendReadError, peer_socket_,
net::ERR_CONNECTION_CLOSED));
}
}
void FakeStreamSocket::AppendInputData(const std::string& data) {
EXPECT_TRUE(task_runner_->BelongsToCurrentThread());
input_data_.insert(input_data_.end(), data.begin(), data.end());
// Complete pending read if any.
if (!read_callback_.is_null()) {
int result = std::min(read_buffer_size_,
static_cast<int>(input_data_.size() - input_pos_));
EXPECT_GT(result, 0);
memcpy(read_buffer_->data(),
&(*input_data_.begin()) + input_pos_, result);
input_pos_ += result;
read_buffer_ = nullptr;
base::ResetAndReturn(&read_callback_).Run(result);
}
}
void FakeStreamSocket::AppendReadError(int error) {
EXPECT_TRUE(task_runner_->BelongsToCurrentThread());
// Complete pending read if any.
if (!read_callback_.is_null()) {
base::ResetAndReturn(&read_callback_).Run(error);
} else {
next_read_error_ = error;
}
}
void FakeStreamSocket::PairWith(FakeStreamSocket* peer_socket) {
EXPECT_TRUE(task_runner_->BelongsToCurrentThread());
peer_socket_ = peer_socket->GetWeakPtr();
peer_socket->peer_socket_ = GetWeakPtr();
}
base::WeakPtr<FakeStreamSocket> FakeStreamSocket::GetWeakPtr() {
return weak_factory_.GetWeakPtr();
}
int FakeStreamSocket::Read(const scoped_refptr<net::IOBuffer>& buf,
int buf_len,
const net::CompletionCallback& callback) {
EXPECT_TRUE(task_runner_->BelongsToCurrentThread());
if (input_pos_ < static_cast<int>(input_data_.size())) {
int result = std::min(buf_len,
static_cast<int>(input_data_.size()) - input_pos_);
memcpy(buf->data(), &(*input_data_.begin()) + input_pos_, result);
input_pos_ += result;
return result;
} else if (next_read_error_ != net::OK) {
int r = next_read_error_;
next_read_error_ = net::OK;
return r;
} else {
read_buffer_ = buf;
read_buffer_size_ = buf_len;
read_callback_ = callback;
return net::ERR_IO_PENDING;
}
}
int FakeStreamSocket::Write(const scoped_refptr<net::IOBuffer>& buf,
int buf_len,
const net::CompletionCallback& callback) {
EXPECT_TRUE(task_runner_->BelongsToCurrentThread());
EXPECT_FALSE(write_pending_);
if (write_limit_ > 0)
buf_len = std::min(write_limit_, buf_len);
if (async_write_) {
task_runner_->PostTask(FROM_HERE, base::Bind(
&FakeStreamSocket::DoAsyncWrite, weak_factory_.GetWeakPtr(),
scoped_refptr<net::IOBuffer>(buf), buf_len, callback));
write_pending_ = true;
return net::ERR_IO_PENDING;
} else {
if (next_write_error_ != net::OK) {
int r = next_write_error_;
next_write_error_ = net::OK;
return r;
}
DoWrite(buf, buf_len);
return buf_len;
}
}
void FakeStreamSocket::DoAsyncWrite(const scoped_refptr<net::IOBuffer>& buf,
int buf_len,
const net::CompletionCallback& callback) {
write_pending_ = false;
if (next_write_error_ != net::OK) {
int r = next_write_error_;
next_write_error_ = net::OK;
callback.Run(r);
return;
}
DoWrite(buf.get(), buf_len);
callback.Run(buf_len);
}
void FakeStreamSocket::DoWrite(const scoped_refptr<net::IOBuffer>& buf,
int buf_len) {
written_data_.insert(written_data_.end(),
buf->data(), buf->data() + buf_len);
if (peer_socket_) {
task_runner_->PostTask(
FROM_HERE,
base::Bind(&FakeStreamSocket::AppendInputData,
peer_socket_,
std::string(buf->data(), buf->data() + buf_len)));
}
}
FakeStreamChannelFactory::FakeStreamChannelFactory()
: task_runner_(base::ThreadTaskRunnerHandle::Get()),
weak_factory_(this) {
}
FakeStreamChannelFactory::~FakeStreamChannelFactory() {}
FakeStreamSocket* FakeStreamChannelFactory::GetFakeChannel(
const std::string& name) {
return channels_[name].get();
}
void FakeStreamChannelFactory::PairWith(
FakeStreamChannelFactory* peer_factory) {
peer_factory_ = peer_factory->weak_factory_.GetWeakPtr();
peer_factory->peer_factory_ = weak_factory_.GetWeakPtr();
}
void FakeStreamChannelFactory::CreateChannel(
const std::string& name,
const ChannelCreatedCallback& callback) {
std::unique_ptr<FakeStreamSocket> channel(new FakeStreamSocket());
channels_[name] = channel->GetWeakPtr();
channel->set_async_write(async_write_);
if (peer_factory_) {
FakeStreamSocket* peer_channel = peer_factory_->GetFakeChannel(name);
if (peer_channel)
channel->PairWith(peer_channel);
}
if (fail_create_)
channel.reset();
if (asynchronous_create_) {
task_runner_->PostTask(FROM_HERE, base::Bind(
&FakeStreamChannelFactory::NotifyChannelCreated,
weak_factory_.GetWeakPtr(), base::Passed(&channel), name, callback));
} else {
NotifyChannelCreated(std::move(channel), name, callback);
}
}
void FakeStreamChannelFactory::NotifyChannelCreated(
std::unique_ptr<FakeStreamSocket> owned_channel,
const std::string& name,
const ChannelCreatedCallback& callback) {
if (channels_.find(name) != channels_.end())
callback.Run(std::move(owned_channel));
}
void FakeStreamChannelFactory::CancelChannelCreation(const std::string& name) {
channels_.erase(name);
}
} // namespace protocol
} // namespace remoting
|
