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
|
/**
* server for a reactor based connection establishment test using HTBP
*
* $Id: server.cpp 91822 2010-09-17 09:00:19Z johnnyw $
*/
#include "ace/Log_Msg.h"
#include "ace/HTBP/HTBP_Session.h"
#include "ace/HTBP/HTBP_Stream.h"
#include "ace/HTBP/HTBP_Addr.h"
#include "ace/SOCK_Acceptor.h"
#include "ace/SOCK_Stream.h"
#include "ace/Event_Handler.h"
#include "ace/Reactor.h"
#include "ace/Get_Opt.h"
#include "ace/OS_NS_stdio.h"
#include "ace/OS_NS_unistd.h"
#include "ace/OS_NS_sys_socket.h"
#include "ace/os_include/os_netdb.h"
unsigned port = 8088;
const ACE_TCHAR *notifier_file = 0;
int
parse_args (int argc, ACE_TCHAR *argv[])
{
ACE_Get_Opt get_opts (argc, argv, ACE_TEXT("o:p:"));
int c;
while ((c = get_opts ()) != -1)
switch (c)
{
case 'o':
notifier_file = get_opts.opt_arg();
break;
case 'p':
port = static_cast<unsigned>(ACE_OS::atoi (get_opts.opt_arg()));
break;
case '?':
default:
ACE_ERROR_RETURN ((LM_ERROR,
"usage: %s "
"-p port "
"\n",
argv [0]),
-1);
}
// Indicates successful parsing of the command line
return 0;
}
class Accept_Handler : public ACE_Event_Handler
{
public:
Accept_Handler (ACE_SOCK_Acceptor& a);
virtual ~Accept_Handler (void);
virtual int handle_input (ACE_HANDLE );
private:
ACE_SOCK_Acceptor& acceptor_;
ACE::HTBP::Channel *channels_[2];
};
class Stream_Handler : public ACE_Event_Handler
{
public:
Stream_Handler (ACE::HTBP::Stream &s);
virtual ~Stream_Handler ();
virtual int handle_input (ACE_HANDLE );
private:
ACE::HTBP::Stream &stream_;
};
Accept_Handler::Accept_Handler(ACE_SOCK_Acceptor &a)
:ACE_Event_Handler(),
acceptor_(a)
{
this->channels_[0] = this->channels_[1] = 0;
if (this->reactor() == 0)
this->reactor(ACE_Reactor::instance());
this->reactor()->register_handler (acceptor_.get_handle(),
this,
ACE_Event_Handler::ACCEPT_MASK);
}
Accept_Handler::~Accept_Handler()
{
this->reactor()->remove_handler (acceptor_.get_handle(),
ACE_Event_Handler::ACCEPT_MASK|
ACE_Event_Handler::DONT_CALL);
acceptor_.close();
}
int
Accept_Handler::handle_input (ACE_HANDLE h)
{
ACE::HTBP::Channel **ch = 0;
if (h == acceptor_.get_handle())
{
ACE_SOCK_Stream *sock = new ACE_SOCK_Stream;
acceptor_.accept(*sock);
ch = channels_[0] == 0 ? &channels_[0] :& channels_[1];
*ch = new ACE::HTBP::Channel(*sock);
this->reactor()->register_handler (sock->get_handle(),
this,
ACE_Event_Handler::READ_MASK);
return 0;
}
for (int i = 0; i < 2; i++)
if (channels_[i] && channels_[i]->get_handle() == h)
{
ch = &channels_[i];
break;
}
if (ch == 0)
ACE_ERROR_RETURN ((LM_ERROR,
ACE_TEXT ("(%P|%t) Server Accept_Handler::handle_input, ")
ACE_TEXT ("unknown handle %d\n") ,h),
-1);
int result = (*ch)->pre_recv();
if (result == 0)
{
this->reactor()->remove_handler (h,
ACE_Event_Handler::READ_MASK |
ACE_Event_Handler::DONT_CALL);
(*ch)->register_notifier(this->reactor());
ACE::HTBP::Session *session = (*ch)->session();
ACE::HTBP::Stream *stream = new ACE::HTBP::Stream(session);
ACE_Event_Handler *handler = session->handler();
if (handler == 0)
{
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("(%P|%t) Server Accept_Handler::handle_input ")
ACE_TEXT ("Creating new stream handler for %d\n"),
stream->get_handle()));
Stream_Handler *sh = new Stream_Handler(*stream);
session->handler (sh);
}
else
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("(%P|%t) Server Accept_Handler::handle_input ")
ACE_TEXT ("There is already a handler for %d\n"),
stream->get_handle()));
if ((*ch)->state() == ACE::HTBP::Channel::Data_Queued)
{
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("(%P|%t) Server Accept_Handler::handle_input\n"),
ACE_TEXT ("Issuing notification on handler\n")));
this->reactor()->notify (session->handler(),
ACE_Event_Handler::READ_MASK);
}
*ch = 0;
}
return 0;
}
Stream_Handler::Stream_Handler (ACE::HTBP::Stream &s)
:stream_(s)
{}
Stream_Handler::~Stream_Handler ()
{
}
int
Stream_Handler::handle_input (ACE_HANDLE h)
{
char buffer[1000];
ssize_t n = this->stream_.recv (buffer,1000);
if (n == -1)
ACE_ERROR_RETURN ((LM_ERROR,
ACE_TEXT ("(%P|%t) Server Stream_Handler::handle_input %p\n"),
ACE_TEXT ("recv")),
0);
buffer[n] = 0;
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("(%P|%t) Server Stream_Handler::handle_input ")
ACE_TEXT (" (%d) read %b:\n%C\n"),
h, n, buffer));
const char *tok_loc = ACE_OS::strstr (buffer, "goodbye");
if (tok_loc != 0)
this->reactor()->end_event_loop();
else
{
ACE::HTBP::Channel *ch = stream_.session()->outbound();
if (ch != 0)
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("(%P|%t) Server Stream_Handler::handle_input ")
ACE_TEXT ("Sending reply on %d\n"),
ch->ace_stream().get_handle()));
else
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("(%P|%t) Server Stream_Handler::handle_input ")
ACE_TEXT ("Can't send reply on nul channel\n")));
this->stream_.send ("Back atcha!",11);
}
return 0;
}
int
ACE_TMAIN (int argc, ACE_TCHAR * argv[])
{
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("(%P|%t) Server: ")
ACE_TEXT ("At start of main\n")));
ACE_OS::socket_init (ACE_WSOCK_VERSION);
if (parse_args (argc, argv) != 0)
return 1;
ACE_TCHAR host[MAXHOSTNAMELEN+1];
if (ACE_OS::hostname (host, MAXHOSTNAMELEN) != 0)
ACE_ERROR_RETURN ((LM_ERROR,
ACE_TEXT ("(%P|%t) Server failure: %p\n"),
ACE_TEXT ("hostname")),
1);
ACE_INET_Addr local (port, host);
local.addr_to_string (host, MAXHOSTNAMELEN);
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("(%P|%t) Server: ")
ACE_TEXT ("listening at %s\n"),
host));
ACE_SOCK_Acceptor acc (local, 1);
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("(%P|%t) Server: ")
ACE_TEXT ("opened listener\n")));
Accept_Handler handler (acc);
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("(%P|%t) Server: ")
ACE_TEXT ("server is ready\n")));
if (notifier_file != 0)
{
FILE *f = ACE_OS::fopen (notifier_file,ACE_TEXT("w+"));
const char *msg = "server ready";
ACE_OS::fwrite (msg,ACE_OS::strlen(msg),1,f);
ACE_OS::fclose (f);
}
ACE_Reactor::instance()->run_reactor_event_loop();
return 0;
}
|
