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
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
|
// Copyright (c) 2012 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 "content/child/socket_stream_dispatcher.h"
#include <string>
#include <vector>
#include "base/bind.h"
#include "base/id_map.h"
#include "base/lazy_instance.h"
#include "base/memory/ref_counted.h"
#include "base/message_loop/message_loop.h"
#include "base/strings/string16.h"
#include "base/strings/utf_string_conversions.h"
#include "content/child/child_thread.h"
#include "content/child/web_socket_stream_handle_bridge.h"
#include "content/child/web_socket_stream_handle_delegate.h"
#include "content/child/web_socket_stream_handle_impl.h"
#include "content/common/socket_stream.h"
#include "content/common/socket_stream_handle_data.h"
#include "content/common/socket_stream_messages.h"
#include "net/base/net_errors.h"
#include "url/gurl.h"
namespace content {
// IPCWebSocketStreamHandleBridge is owned by each SocketStreamHandle.
// It communicates with the main browser process via SocketStreamDispatcher.
class IPCWebSocketStreamHandleBridge : public WebSocketStreamHandleBridge {
public:
IPCWebSocketStreamHandleBridge(blink::WebSocketStreamHandle* handle,
WebSocketStreamHandleDelegate* delegate)
: socket_id_(kNoSocketId), handle_(handle), delegate_(delegate) {}
// Returns the handle having given id or NULL if there is no such handle.
static IPCWebSocketStreamHandleBridge* FromSocketId(int id);
// WebSocketStreamHandleBridge methods.
virtual void Connect(const GURL& url) OVERRIDE;
virtual bool Send(const std::vector<char>& data) OVERRIDE;
virtual void Close() OVERRIDE;
// Called by SocketStreamDispatcher.
void OnConnected(int max_amount_send_allowed);
void OnSentData(int amount_sent);
void OnReceivedData(const std::vector<char>& data);
void OnClosed();
void OnFailed(int error_code, const std::string& error_msg);
private:
virtual ~IPCWebSocketStreamHandleBridge();
// The ID for this bridge and corresponding SocketStream instance in the
// browser process.
int socket_id_;
blink::WebSocketStreamHandle* handle_;
WebSocketStreamHandleDelegate* delegate_;
// Map from ID to bridge instance.
static base::LazyInstance<IDMap<IPCWebSocketStreamHandleBridge> >::Leaky
all_bridges;
};
// static
base::LazyInstance<IDMap<IPCWebSocketStreamHandleBridge> >::Leaky
IPCWebSocketStreamHandleBridge::all_bridges = LAZY_INSTANCE_INITIALIZER;
/* static */
IPCWebSocketStreamHandleBridge* IPCWebSocketStreamHandleBridge::FromSocketId(
int id) {
return all_bridges.Get().Lookup(id);
}
IPCWebSocketStreamHandleBridge::~IPCWebSocketStreamHandleBridge() {
DVLOG(1) << "Bridge (" << this << ", socket_id_=" << socket_id_
<< ") Destructor";
if (socket_id_ == kNoSocketId)
return;
ChildThread::current()->Send(new SocketStreamHostMsg_Close(socket_id_));
socket_id_ = kNoSocketId;
}
void IPCWebSocketStreamHandleBridge::Connect(const GURL& url) {
DVLOG(1) << "Bridge (" << this << ") Connect (url=" << url << ")";
DCHECK_EQ(socket_id_, kNoSocketId);
if (delegate_)
delegate_->WillOpenStream(handle_, url);
socket_id_ = all_bridges.Get().Add(this);
DCHECK_NE(socket_id_, kNoSocketId);
int render_frame_id = MSG_ROUTING_NONE;
WebSocketStreamHandleImpl* impl =
static_cast<WebSocketStreamHandleImpl*>(handle_);
const SocketStreamHandleData* data =
static_cast<SocketStreamHandleData*>(impl->GetUserData(handle_));
if (data)
render_frame_id = data->render_frame_id();
AddRef(); // Released in OnClosed().
ChildThread::current()->Send(
new SocketStreamHostMsg_Connect(render_frame_id, url, socket_id_));
DVLOG(1) << "Bridge #" << socket_id_ << " sent IPC Connect";
// TODO(ukai): timeout to OnConnected.
}
bool IPCWebSocketStreamHandleBridge::Send(const std::vector<char>& data) {
DVLOG(1) << "Bridge #" << socket_id_ << " Send (" << data.size()
<< " bytes)";
ChildThread::current()->Send(
new SocketStreamHostMsg_SendData(socket_id_, data));
if (delegate_)
delegate_->WillSendData(handle_, &data[0], data.size());
return true;
}
void IPCWebSocketStreamHandleBridge::Close() {
DVLOG(1) << "Bridge #" << socket_id_ << " Close";
ChildThread::current()->Send(new SocketStreamHostMsg_Close(socket_id_));
}
void IPCWebSocketStreamHandleBridge::OnConnected(int max_pending_send_allowed) {
DVLOG(1) << "Bridge #" << socket_id_
<< " OnConnected (max_pending_send_allowed="
<< max_pending_send_allowed << ")";
if (delegate_)
delegate_->DidOpenStream(handle_, max_pending_send_allowed);
}
void IPCWebSocketStreamHandleBridge::OnSentData(int amount_sent) {
DVLOG(1) << "Bridge #" << socket_id_ << " OnSentData (" << amount_sent
<< " bytes)";
if (delegate_)
delegate_->DidSendData(handle_, amount_sent);
}
void IPCWebSocketStreamHandleBridge::OnReceivedData(
const std::vector<char>& data) {
DVLOG(1) << "Bridge #" << socket_id_ << " OnReceiveData (" << data.size()
<< " bytes)";
if (delegate_)
delegate_->DidReceiveData(handle_, &data[0], data.size());
}
void IPCWebSocketStreamHandleBridge::OnClosed() {
DVLOG(1) << "Bridge #" << socket_id_ << " OnClosed";
if (socket_id_ != kNoSocketId) {
all_bridges.Get().Remove(socket_id_);
socket_id_ = kNoSocketId;
}
if (delegate_)
delegate_->DidClose(handle_);
delegate_ = NULL;
Release();
}
void IPCWebSocketStreamHandleBridge::OnFailed(int error_code,
const std::string& error_msg) {
DVLOG(1) << "Bridge #" << socket_id_ << " OnFailed (error_code=" << error_code
<< ")";
if (delegate_)
delegate_->DidFail(handle_, error_code, base::ASCIIToUTF16(error_msg));
}
SocketStreamDispatcher::SocketStreamDispatcher() {
}
// static
WebSocketStreamHandleBridge* SocketStreamDispatcher::CreateBridge(
blink::WebSocketStreamHandle* handle,
WebSocketStreamHandleDelegate* delegate) {
return new IPCWebSocketStreamHandleBridge(handle, delegate);
}
bool SocketStreamDispatcher::OnMessageReceived(const IPC::Message& msg) {
bool handled = true;
IPC_BEGIN_MESSAGE_MAP(SocketStreamDispatcher, msg)
IPC_MESSAGE_HANDLER(SocketStreamMsg_Connected, OnConnected)
IPC_MESSAGE_HANDLER(SocketStreamMsg_SentData, OnSentData)
IPC_MESSAGE_HANDLER(SocketStreamMsg_ReceivedData, OnReceivedData)
IPC_MESSAGE_HANDLER(SocketStreamMsg_Closed, OnClosed)
IPC_MESSAGE_HANDLER(SocketStreamMsg_Failed, OnFailed)
IPC_MESSAGE_UNHANDLED(handled = false)
IPC_END_MESSAGE_MAP()
return handled;
}
void SocketStreamDispatcher::OnConnected(int socket_id,
int max_pending_send_allowed) {
DVLOG(1) << "SocketStreamDispatcher::OnConnected (max_pending_send_allowed="
<< max_pending_send_allowed << ") to socket_id=" << socket_id;
IPCWebSocketStreamHandleBridge* bridge =
IPCWebSocketStreamHandleBridge::FromSocketId(socket_id);
if (bridge)
bridge->OnConnected(max_pending_send_allowed);
else
DLOG(ERROR) << "No bridge for socket_id=" << socket_id;
}
void SocketStreamDispatcher::OnSentData(int socket_id, int amount_sent) {
DVLOG(1) << "SocketStreamDispatcher::OnSentData (" << amount_sent
<< " bytes) to socket_id=" << socket_id;
IPCWebSocketStreamHandleBridge* bridge =
IPCWebSocketStreamHandleBridge::FromSocketId(socket_id);
if (bridge)
bridge->OnSentData(amount_sent);
else
DLOG(ERROR) << "No bridge for socket_id=" << socket_id;
}
void SocketStreamDispatcher::OnReceivedData(
int socket_id, const std::vector<char>& data) {
DVLOG(1) << "SocketStreamDispatcher::OnReceivedData (" << data.size()
<< " bytes) to socket_id=" << socket_id;
IPCWebSocketStreamHandleBridge* bridge =
IPCWebSocketStreamHandleBridge::FromSocketId(socket_id);
if (bridge)
bridge->OnReceivedData(data);
else
DLOG(ERROR) << "No bridge for socket_id=" << socket_id;
}
void SocketStreamDispatcher::OnClosed(int socket_id) {
DVLOG(1) << "SocketStreamDispatcher::OnClosed to socket_id=" << socket_id;
IPCWebSocketStreamHandleBridge* bridge =
IPCWebSocketStreamHandleBridge::FromSocketId(socket_id);
if (bridge)
bridge->OnClosed();
else
DLOG(ERROR) << "No bridge for socket_id=" << socket_id;
}
void SocketStreamDispatcher::OnFailed(int socket_id, int error_code) {
IPCWebSocketStreamHandleBridge* bridge =
IPCWebSocketStreamHandleBridge::FromSocketId(socket_id);
if (bridge)
bridge->OnFailed(error_code, net::ErrorToString(error_code));
else
DLOG(ERROR) << "No bridge for socket_id=" << socket_id;
}
} // namespace content
|
