blob: c211be7590feca67ff9547ebca99843a80a2b6c4 (
plain)
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
|
// Copyright 2008 the V8 project 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 V8_D8_DEBUG_H_
#define V8_D8_DEBUG_H_
#include "d8.h"
#include "debug.h"
#include "platform/socket.h"
namespace v8 {
void HandleDebugEvent(const Debug::EventDetails& event_details);
// Start the remove debugger connecting to a V8 debugger agent on the specified
// port.
void RunRemoteDebugger(Isolate* isolate, int port);
// Forward declerations.
class RemoteDebuggerEvent;
class ReceiverThread;
// Remote debugging class.
class RemoteDebugger {
public:
explicit RemoteDebugger(Isolate* isolate, int port)
: isolate_(isolate),
port_(port),
event_available_(0),
head_(NULL), tail_(NULL) {}
void Run();
// Handle events from the subordinate threads.
void MessageReceived(i::SmartArrayPointer<char> message);
void KeyboardCommand(i::SmartArrayPointer<char> command);
void ConnectionClosed();
private:
// Add new debugger event to the list.
void AddEvent(RemoteDebuggerEvent* event);
// Read next debugger event from the list.
RemoteDebuggerEvent* GetEvent();
// Handle a message from the debugged V8.
void HandleMessageReceived(char* message);
// Handle a keyboard command.
void HandleKeyboardCommand(char* command);
// Get connection to agent in debugged V8.
i::Socket* conn() { return conn_; }
Isolate* isolate_;
int port_; // Port used to connect to debugger V8.
i::Socket* conn_; // Connection to debugger agent in debugged V8.
// Linked list of events from debugged V8 and from keyboard input. Access to
// the list is guarded by a mutex and a semaphore signals new items in the
// list.
i::Mutex event_access_;
i::Semaphore event_available_;
RemoteDebuggerEvent* head_;
RemoteDebuggerEvent* tail_;
friend class ReceiverThread;
};
// Thread reading from debugged V8 instance.
class ReceiverThread: public i::Thread {
public:
explicit ReceiverThread(RemoteDebugger* remote_debugger)
: Thread("d8:ReceiverThrd"),
remote_debugger_(remote_debugger) {}
~ReceiverThread() {}
void Run();
private:
RemoteDebugger* remote_debugger_;
};
// Thread reading keyboard input.
class KeyboardThread: public i::Thread {
public:
explicit KeyboardThread(RemoteDebugger* remote_debugger)
: Thread("d8:KeyboardThrd"),
remote_debugger_(remote_debugger) {}
~KeyboardThread() {}
void Run();
private:
RemoteDebugger* remote_debugger_;
};
// Events processed by the main deubgger thread.
class RemoteDebuggerEvent {
public:
RemoteDebuggerEvent(int type, i::SmartArrayPointer<char> data)
: type_(type), data_(data), next_(NULL) {
ASSERT(type == kMessage || type == kKeyboard || type == kDisconnect);
}
static const int kMessage = 1;
static const int kKeyboard = 2;
static const int kDisconnect = 3;
int type() { return type_; }
char* data() { return data_.get(); }
private:
void set_next(RemoteDebuggerEvent* event) { next_ = event; }
RemoteDebuggerEvent* next() { return next_; }
int type_;
i::SmartArrayPointer<char> data_;
RemoteDebuggerEvent* next_;
friend class RemoteDebugger;
};
} // namespace v8
#endif // V8_D8_DEBUG_H_
|
