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
|
/*
* $Id: RecordingDevice_Text.cpp 80826 2008-03-04 14:51:23Z wotte $
*
* A RecordingDevice that listens to a socket and collects text.
*/
#include "MessageInfo.h"
#include "RecordingDevice.h"
#include "RecordingDevice_Text.h"
#include "Util.h"
TextListenerAcceptor::TextListenerAcceptor (void)
: ACE_Event_Handler(), RecordingDevice()
{ }
// ACE_Event_Handler interface
int TextListenerAcceptor::open (ACE_INET_Addr &addr)
{
if (this->acceptor_.open (addr, 1) == -1)
ACE_ERROR_RETURN ((LM_ERROR,
ACE_TEXT ("%p\n"),
ACE_TEXT ("acceptor open")),
-1);
return 0;
}
ACE_HANDLE TextListenerAcceptor::get_handle (void) const
{
return this->acceptor_.get_handle ();
}
int TextListenerAcceptor::handle_input (ACE_HANDLE)
{
ACE_DEBUG ((LM_INFO,
ACE_TEXT ("TextListenerAcceptor - connection request\n" )));
return 0;
}
int TextListenerAcceptor::accept (ACE_SOCK_Stream &peer)
{
return this->acceptor_.accept (peer);
}
// RecordingDevice interface
// Open a listening socket on the port specified by argv.
int TextListenerAcceptor::init (int argc, ACE_TCHAR *argv[])
{
ACE_UNUSED_ARG(argc);
ACE_INET_Addr addr (argv[1]);
if (this->open (addr) < 0)
ACE_ERROR_RETURN ((LM_ERROR,
ACE_TEXT ("%p\n"),
ACE_TEXT ("TextListener - open")),
-1);
return 0;
}
ACE_Event_Handler *TextListenerAcceptor::get_handler (void) const
{
return (ACE_Event_Handler *)this;
}
RecordingDevice *TextListenerAcceptor::wait_for_activity (void)
{
this->RecordingDevice::wait_for_activity ();
return new TextListener (this);
}
int TextListenerAcceptor::answer_call (void)
{
return -1;
}
CallerId *TextListenerAcceptor::retrieve_callerId (void)
{
return 0;
}
int TextListenerAcceptor::play_message (ACE_FILE_Addr &addr)
{
ACE_UNUSED_ARG(addr);
return 0;
}
MessageType *TextListenerAcceptor::record_message (ACE_FILE_Addr &addr)
{
ACE_UNUSED_ARG(addr);
return 0;
}
// Listing 01 code/ch18
TextListener::TextListener (TextListenerAcceptor *acceptor)
: acceptor_(acceptor)
{
ACE_TRACE ("TextListener ctor");
ACE_NEW (this->command_stream_, CommandStream (&(this->peer_)));
this->command_stream_->open (0);
}
// Listing 01
const ACE_TCHAR *TextListener::get_name (void) const
{
return ACE_TEXT ("TextListener");
}
// Listing 02 code/ch18
int TextListener::answer_call (void)
{
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("TextListener::answer_call()\n")));
Command *c = new Command ();
c->command_ = Command::CMD_ANSWER_CALL;
c->extra_data_ = this->acceptor_;
c = this->command_stream_->execute (c);
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("TextListener::answer_call() ")
ACE_TEXT ("result is %d\n"),
c->numeric_result_));
return c->numeric_result_;
}
// Listing 02
// Listing 03 code/ch18
CallerId *TextListener::retrieve_callerId (void)
{
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("TextListener::retrieve_callerId()\n")));
Command *c = new Command ();
c->command_ = Command::CMD_RETRIEVE_CALLER_ID;
c = this->command_stream_->execute (c);
CallerId *caller_id = new CallerId (c->result_);
return caller_id;
}
// Listing 03
// Listing 04 code/ch18
int TextListener::play_message (ACE_FILE_Addr &addr)
{
MessageType *type = Util::identify_message (addr);
if (type->is_text ())
{
Command *c = new Command ();
c->command_ = Command::CMD_PLAY_MESSAGE;
c->extra_data_ = &addr;
c = this->command_stream_->execute (c);
return c->numeric_result_;
}
ACE_FILE_Addr temp (ACE_TEXT ("/tmp/outgoing_message.text"));
ACE_FILE_IO *file;
if (type->is_audio ())
file = Util::audio_to_text (addr, temp);
else if (type->is_video ())
file = Util::video_to_text (addr, temp);
else
ACE_ERROR_RETURN
((LM_ERROR, ACE_TEXT ("Invalid message type %d\n"),
type->get_codec ()), -1);
int rval = this->play_message (temp);
file->remove ();
return rval;
}
// Listing 04
// Listing 05 code/ch18
MessageType *TextListener::record_message (ACE_FILE_Addr &addr)
{
Command *c = new Command ();
c->command_ = Command::CMD_RECORD_MESSAGE;
c->extra_data_ = &addr;
c = this->command_stream_->execute (c);
if (c->numeric_result_ == -1)
return 0;
return new MessageType (MessageType::RAWTEXT, addr);
}
// Listing 05
// Listing 06 code/ch18
void TextListener::release (void)
{
delete this;
}
// Listing 06
|
