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
|
/*****************************************************************
|
| Messages Test Program 1
|
| (c) 2001-2008 Gilles Boccon-Gibod
| Author: Gilles Boccon-Gibod (bok@bok.net)
|
****************************************************************/
/*----------------------------------------------------------------------
| includes
+---------------------------------------------------------------------*/
#include "Neptune.h"
/*----------------------------------------------------------------------
| TestServerMessageHandler
+---------------------------------------------------------------------*/
class TestServerMessageHandler
{
public:
NPT_IMPLEMENT_DYNAMIC_CAST(TestServerMessageHandler)
// destructor
virtual ~TestServerMessageHandler() {}
// methods
virtual void OnTestCommand(NPT_MessageReceiver* /*receiver*/, int /*id*/) {}
};
NPT_DEFINE_DYNAMIC_CAST_ANCHOR(TestServerMessageHandler)
/*----------------------------------------------------------------------
| TestServerMessage
+---------------------------------------------------------------------*/
class TestServerMessage : public NPT_Message
{
public:
static NPT_Message::Type MessageType;
NPT_Message::Type GetType() {
return MessageType;
}
virtual NPT_Result Deliver(TestServerMessageHandler* handler) = 0;
virtual NPT_Result Dispatch(NPT_MessageHandler* handler) {
TestServerMessageHandler* specific = NPT_DYNAMIC_CAST(TestServerMessageHandler, handler);
if (specific) {
return Deliver(specific);
} else {
return DefaultDeliver(handler);
}
}
};
NPT_Message::Type TestServerMessage::MessageType = "TestServer Message";
/*----------------------------------------------------------------------
| TestServerTestCommandMessage
+---------------------------------------------------------------------*/
class TestServerTestCommandMessage : public TestServerMessage
{
public:
TestServerTestCommandMessage(NPT_MessageReceiver* receiver, int id) :
m_Receiver(receiver), m_Id(id) {}
NPT_Result Deliver(TestServerMessageHandler* handler) {
handler->OnTestCommand(m_Receiver, m_Id);
return NPT_SUCCESS;
}
private:
NPT_MessageReceiver* m_Receiver;
int m_Id;
};
/*----------------------------------------------------------------------
| TestClientMessageHandler
+---------------------------------------------------------------------*/
class TestClientMessageHandler
{
public:
NPT_IMPLEMENT_DYNAMIC_CAST(TestClientMessageHandler)
// destructor
virtual ~TestClientMessageHandler() {}
// methods
virtual void OnReply(int /*id*/) {}
};
NPT_DEFINE_DYNAMIC_CAST_ANCHOR(TestClientMessageHandler)
/*----------------------------------------------------------------------
| TestClientMessage
+---------------------------------------------------------------------*/
class TestClientMessage : public NPT_Message
{
public:
static NPT_Message::Type MessageType;
NPT_Message::Type GetType() {
return MessageType;
}
virtual NPT_Result Deliver(TestClientMessageHandler* handler) = 0;
virtual NPT_Result Dispatch(NPT_MessageHandler* handler) {
TestClientMessageHandler* specific = NPT_DYNAMIC_CAST(TestClientMessageHandler, handler);
if (specific) {
return Deliver(specific);
} else {
return DefaultDeliver(handler);
}
}
};
NPT_Message::Type TestClientMessage::MessageType = "TestClient Message";
/*----------------------------------------------------------------------
| TestClientReplyMessage
+---------------------------------------------------------------------*/
class TestClientReplyMessage : public TestClientMessage
{
public:
TestClientReplyMessage(int id) : m_Id(id) {}
NPT_Result Deliver(TestClientMessageHandler* handler) {
handler->OnReply(m_Id);
return NPT_SUCCESS;
}
private:
int m_Id;
};
/*----------------------------------------------------------------------
| TestServer
+---------------------------------------------------------------------*/
class TestServer : public NPT_Thread,
public NPT_MessageReceiver,
public NPT_MessageHandler,
public TestServerMessageHandler
{
public:
TestServer();
// message posting wrappers
NPT_Result DoTestCommand(NPT_MessageReceiver* receiver, int id);
// NPT_Runnable methods (from NPT_Thread)
void Run();
// NPT_TestServerMessageHandler methods
void OnTestCommand(NPT_MessageReceiver* receiver, int id);
private:
// members
NPT_SimpleMessageQueue* m_MessageQueue;
};
/*----------------------------------------------------------------------
| TestServer::TestServer
+---------------------------------------------------------------------*/
TestServer::TestServer()
{
// create the message queue
m_MessageQueue = new NPT_SimpleMessageQueue();
// attach to the message queue
SetQueue(m_MessageQueue);
SetHandler(this);
// start the thread
Start();
}
/*----------------------------------------------------------------------
| TestServer::Run
+---------------------------------------------------------------------*/
void
TestServer::Run()
{
printf("TestServer::Run - begin\n");
while (m_MessageQueue->PumpMessage() == NPT_SUCCESS) {};
printf("TestServer::Run - end\n");
}
/*----------------------------------------------------------------------
| TestServer::DoTestCommand
+---------------------------------------------------------------------*/
NPT_Result
TestServer::DoTestCommand(NPT_MessageReceiver* receiver, int id)
{
return this->PostMessage(new TestServerTestCommandMessage(receiver, id));
}
/*----------------------------------------------------------------------
| TestServer::OnTestCommand
+---------------------------------------------------------------------*/
void
TestServer::OnTestCommand(NPT_MessageReceiver* receiver, int id)
{
printf("TestServer::OnTestCommand %d\n", id);
receiver->PostMessage(new TestClientReplyMessage(id+10000));
}
/*----------------------------------------------------------------------
| TestClient
+---------------------------------------------------------------------*/
class TestClient : public NPT_MessageReceiver,
public NPT_MessageHandler,
public TestClientMessageHandler
{
public:
TestClient(TestServer* server, int id);
// NPT_TestServerMessageHandler methods
void OnReply(int id);
private:
// members
int m_Id;
};
/*----------------------------------------------------------------------
| TestClient::TestClient
+---------------------------------------------------------------------*/
TestClient::TestClient(TestServer* server, int id) :
m_Id(id)
{
// set ourself as the message handler
SetHandler(this);
// send commands to server
server->DoTestCommand(this, 1);
server->DoTestCommand(this, 2);
server->DoTestCommand(this, 3);
server->DoTestCommand(this, 4);
}
/*----------------------------------------------------------------------
| TestClient::OnReply
+---------------------------------------------------------------------*/
void
TestClient::OnReply(int id)
{
printf("TestClient::OnReply (client=%d) %d\n", m_Id, id);
}
/*----------------------------------------------------------------------
| main
+---------------------------------------------------------------------*/
int
main(int argc, char** argv)
{
NPT_COMPILER_UNUSED(argc);
NPT_COMPILER_UNUSED(argv);
printf("MessagesTest2:: start\n");
TestServer* server = new TestServer();
TestClient* client1 = new TestClient(server, 1);
TestClient* client2 = new TestClient(server, 2);
NPT_MessageQueue* queue = new NPT_SimpleMessageQueue();
client1->SetQueue(queue);
client2->SetQueue(queue);
server->Wait();
delete client1;
delete client2;
delete server;
delete queue;
printf("MessagesTest2:: end\n");
}
|
