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
|
// Copyright 2013 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.
#ifndef CONTENT_BROWSER_WEBSOCKETS_WEBSOCKET_IMPL_H_
#define CONTENT_BROWSER_WEBSOCKETS_WEBSOCKET_IMPL_H_
#include <stdint.h>
#include <memory>
#include <string>
#include <vector>
#include "base/macros.h"
#include "base/memory/weak_ptr.h"
#include "base/time/time.h"
#include "content/common/content_export.h"
#include "mojo/public/cpp/bindings/binding.h"
#include "third_party/WebKit/public/platform/modules/websockets/websocket.mojom.h"
class GURL;
namespace url {
class Origin;
} // namespace url
namespace net {
class WebSocketChannel;
} // namespace net
namespace content {
class StoragePartition;
// Host of net::WebSocketChannel.
class CONTENT_EXPORT WebSocketImpl
: NON_EXPORTED_BASE(public blink::mojom::WebSocket) {
public:
class Delegate {
public:
virtual ~Delegate() {}
virtual int GetClientProcessId() = 0;
virtual StoragePartition* GetStoragePartition() = 0;
virtual void OnReceivedResponseFromServer(WebSocketImpl* impl) = 0;
virtual void OnLostConnectionToClient(WebSocketImpl* impl) = 0;
};
WebSocketImpl(Delegate* delegate,
blink::mojom::WebSocketRequest request,
int child_id,
int frame_id,
base::TimeDelta delay);
~WebSocketImpl() override;
// The renderer process is going away.
// This function is virtual for testing.
virtual void GoAway();
// blink::mojom::WebSocket methods:
void AddChannelRequest(const GURL& url,
const std::vector<std::string>& requested_protocols,
const url::Origin& origin,
const GURL& first_party_for_cookies,
const std::string& user_agent_override,
blink::mojom::WebSocketClientPtr client) override;
void SendFrame(bool fin,
blink::mojom::WebSocketMessageType type,
const std::vector<uint8_t>& data) override;
void SendFlowControl(int64_t quota) override;
void StartClosingHandshake(uint16_t code, const std::string& reason) override;
bool handshake_succeeded() const { return handshake_succeeded_; }
void OnHandshakeSucceeded() { handshake_succeeded_ = true; }
protected:
class WebSocketEventHandler;
void OnConnectionError();
void AddChannel(const GURL& socket_url,
const std::vector<std::string>& requested_protocols,
const url::Origin& origin,
const GURL& first_party_for_cookies,
const std::string& user_agent_override);
Delegate* delegate_;
mojo::Binding<blink::mojom::WebSocket> binding_;
blink::mojom::WebSocketClientPtr client_;
// The channel we use to send events to the network.
std::unique_ptr<net::WebSocketChannel> channel_;
// Delay used for per-renderer WebSocket throttling.
base::TimeDelta delay_;
// SendFlowControl() is delayed when OnFlowControl() is called before
// AddChannel() is called.
// Zero indicates there is no pending SendFlowControl().
int64_t pending_flow_control_quota_;
int child_id_;
int frame_id_;
// handshake_succeeded_ is set and used by WebSocketManager to manage
// counters for per-renderer WebSocket throttling.
bool handshake_succeeded_;
base::WeakPtrFactory<WebSocketImpl> weak_ptr_factory_;
DISALLOW_COPY_AND_ASSIGN(WebSocketImpl);
};
} // namespace content
#endif // CONTENT_BROWSER_WEBSOCKETS_WEBSOCKET_IMPL_H_
|
