blob: 8a35a64a83ffaaef5a63e4be88ad325a2c339534 (
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
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
|
// **********************************************************************
//
// Copyright (c) 2003-2011 ZeroC, Inc. All rights reserved.
//
// This copy of Ice is licensed to you under the terms described in the
// ICE_LICENSE file included in this distribution.
//
// **********************************************************************
#include <Ice/Ice.h>
#include <ChatSessionI.h>
#include <list>
using namespace std;
using namespace Demo;
class ChatRoom;
typedef IceUtil::Handle<ChatRoom> ChatRoomPtr;
class ChatRoom : public IceUtil::Mutex, public IceUtil::Shared
{
public:
ChatRoom();
~ChatRoom();
static ChatRoomPtr& instance();
void enter(const Demo::ChatSessionPrx&, const Demo::ChatCallbackPrx&);
void leave(const Demo::ChatCallbackPrx&);
void message(const string&) const;
void update(const Demo::ChatCallbackPrx&);
struct MemberInfo
{
Demo::ChatSessionPrx session;
Demo::ChatCallbackPrx callback;
IceUtil::Time updateTime;
};
list<MemberInfo> members() const;
static IceUtil::Mutex* _instanceMutex;
private:
list<MemberInfo> _members;
IceUtil::TimerPtr _timer;
static ChatRoomPtr _instance;
};
ChatRoomPtr ChatRoom::_instance;
IceUtil::Mutex* ChatRoom::_instanceMutex = 0;
namespace
{
class Init
{
public:
Init()
{
ChatRoom::_instanceMutex = new IceUtil::Mutex;
}
~Init()
{
delete ChatRoom::_instanceMutex;
ChatRoom::_instanceMutex = 0;
}
};
Init init;
class ReapTask : public IceUtil::TimerTask
{
public:
virtual void runTimerTask()
{
ChatRoomPtr chatRoom = ChatRoom::instance();
list<ChatRoom::MemberInfo> members = chatRoom->members();
IceUtil::Time now = IceUtil::Time::now();
for(list<ChatRoom::MemberInfo>::const_iterator p = members.begin(); p != members.end(); ++p)
{
if(now - p->updateTime > IceUtil::Time::secondsDouble(30 * 1.5)) // SessionTimeout * 1.5
{
try
{
p->session->destroy();
}
catch(const Ice::Exception&)
{
// Ignore
}
}
}
}
};
}
ChatRoom::ChatRoom()
{
_timer = new IceUtil::Timer();
_timer->scheduleRepeated(new ReapTask(), IceUtil::Time::seconds(30));
}
ChatRoom::~ChatRoom()
{
_timer->destroy();
}
ChatRoomPtr&
ChatRoom::instance()
{
IceUtil::Mutex::Lock sync(*_instanceMutex);
if(!_instance)
{
_instance = new ChatRoom();
}
return _instance;
}
void
ChatRoom::enter(const Demo::ChatSessionPrx& session, const ChatCallbackPrx& callback)
{
Lock sync(*this);
MemberInfo info;
info.session = session;
info.callback = callback;
info.updateTime = IceUtil::Time::now();
_members.push_back(info);
}
void
ChatRoom::leave(const ChatCallbackPrx& callback)
{
Lock sync(*this);
list<MemberInfo>::iterator p;
for(p = _members.begin(); p != _members.end(); ++p)
{
if(Ice::proxyIdentityEqual(callback, p->callback))
{
break;
}
}
assert(p != _members.end());
_members.erase(p);
}
void
ChatRoom::message(const string& data) const
{
Lock sync(*this);
for(list<MemberInfo>::const_iterator p = _members.begin(); p != _members.end(); ++p)
{
p->callback->begin_message(data);
}
}
void
ChatRoom::update(const ChatCallbackPrx& callback)
{
Lock sync(*this);
for(list<MemberInfo>::iterator p = _members.begin(); p != _members.end(); ++p)
{
if(Ice::proxyIdentityEqual(callback, p->callback))
{
p->updateTime = IceUtil::Time::now();
break;
}
}
}
list<ChatRoom::MemberInfo>
ChatRoom::members() const
{
return _members;
}
ChatSessionI::ChatSessionI(const string& userId) :
_userId(userId)
{
}
void
ChatSessionI::ice_ping(const Ice::Current&) const
{
Lock sync(*this);
ChatRoom::instance()->update(_callback);
}
void
ChatSessionI::setCallback(const ChatCallbackPrx& callback, const Ice::Current& current)
{
Lock sync(*this);
if(!_callback)
{
_callback = callback;
ChatRoomPtr chatRoom = ChatRoom::instance();
chatRoom->message(_userId + " has entered the chat room.");
chatRoom->enter(ChatSessionPrx::uncheckedCast(current.adapter->createProxy(current.id)), callback);
}
}
void
ChatSessionI::say(const string& data, const Ice::Current&)
{
Lock sync(*this);
ChatRoomPtr chatRoom = ChatRoom::instance();
chatRoom->message(_userId + " says: " + data);
chatRoom->update(_callback);
}
void
ChatSessionI::destroy(const Ice::Current& current)
{
Lock sync(*this);
if(_callback)
{
ChatRoomPtr chatRoom = ChatRoom::instance();
chatRoom->leave(_callback);
_callback = 0;
chatRoom->message(_userId + " has left the chat room.");
}
current.adapter->remove(current.id);
}
|
