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
|
/***************************************************************************
* *
* copyright (C) 2004 by Michael Buesch *
* email: mbuesch@freenet.de *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License version 2 *
* as published by the Free Software Foundation. *
* *
***************************************************************************/
/***************************************************************************
* copyright (C) 2004 by Ulf Schenk
* This file is originaly based on version 1.0.1 of pwmanager
* and was modified to run on embedded devices that run microkde
*
* $Id$
**************************************************************************/
#include "ipc.h"
#include "pwmexception.h"
#include <qsocketnotifier.h>
#ifndef _WIN32_
#include <sys/socket.h>
#endif
#ifndef PWM_EMBEDDED
#include <sys/types.h>
#include <stdio.h>
#else
#include <q3socket.h>
#endif
#define END_OF_LINE '\n'
#define INIT_LINEBUF_LEN 64 /* byte */
#ifndef PWM_EMBEDDED
Ipc::Ipc()
: stream (0)
, notifier (0)
, rdBuf (0)
{
if (socketpair(AF_LOCAL, SOCK_STREAM, 0, sock)) {
throw PwMException(PwMException::EX_GENERIC,
"Ipc: socketpair() failed");
}
rdBufSize = INIT_LINEBUF_LEN;
rdBuf = static_cast<char *>(malloc(rdBufSize));
if (!rdBuf) {
close(sock[0]);
close(sock[1]);
throw PwMException(PwMException::EX_GENERIC,
"Ipc: OOM");
}
stream = fdopen(sock[0], "r");
if (!stream) {
close(sock[0]);
close(sock[1]);
free(rdBuf);
throw PwMException(PwMException::EX_GENERIC,
"Ipc: fdopen() failed");
}
notifier = new QSocketNotifier(sock[0], QSocketNotifier::Read);
connect(notifier, SIGNAL(activated(int)),
this, SLOT(receiveData(int)));
host = true;
}
#else
Ipc::Ipc()
: notifier (0)
, rdBuf (0)
{
#ifndef _WIN32_
if (socketpair(AF_LOCAL, SOCK_STREAM, 0, sock)) {
qDebug("Ipc: socketpair() failed");
}
#endif
Q3Socket* qsock = new Q3Socket();
qsock->setSocket(sock[0]);
rdBufSize = INIT_LINEBUF_LEN;
rdBuf = (char *)(malloc(rdBufSize));
if (!rdBuf) {
close(sock[0]);
close(sock[1]);
qDebug("Ipc: OOM");
}
qsock = new Q3Socket();
qsock->setSocket(sock[0]);
/*US
stream = fdopen(sock[0], "r");
if (!stream) {
close(sock[0]);
close(sock[1]);
free(rdBuf);
qDebug("Ipc: fdopen() failed");
}
*/
notifier = new QSocketNotifier(sock[0], QSocketNotifier::Read);
connect(notifier, SIGNAL(activated(int)),
this, SLOT(receiveData(int)));
host = true;
}
#endif
#ifndef PWM_EMBEDDED
Ipc::Ipc(const Ipc *ipc)
: stream (0)
, notifier (0)
, rdBuf (0)
{
rdBufSize = INIT_LINEBUF_LEN;
rdBuf = static_cast<char *>(malloc(rdBufSize));
if (!rdBuf) {
throw PwMException(PwMException::EX_GENERIC,
"Ipc: OOM");
}
sock[0] = ipc->sock[1];
sock[1] = ipc->sock[0];
stream = fdopen(sock[0], "r");
if (!stream) {
free(rdBuf);
throw PwMException(PwMException::EX_GENERIC,
"Ipc: fdopen() failed");
}
notifier = new QSocketNotifier(sock[0], QSocketNotifier::Read);
connect(notifier, SIGNAL(activated(int)),
this, SLOT(receiveData(int)));
host = false;
}
#else
Ipc::Ipc(const Ipc *ipc)
: notifier (0)
, rdBuf (0)
{
rdBufSize = INIT_LINEBUF_LEN;
rdBuf = (char *)(malloc(rdBufSize));
if (!rdBuf) {
qDebug("Ipc: OOM");
}
sock[0] = ipc->sock[1];
sock[1] = ipc->sock[0];
qSock = new Q3Socket();
qSock->setSocket(sock[0]);
/*US
stream = fdopen(sock[0], "r");
if (!stream) {
free(rdBuf);
qDebug("Ipc: fdopen() failed");
}
*/
notifier = new QSocketNotifier(sock[0], QSocketNotifier::Read);
connect(notifier, SIGNAL(activated(int)),
this, SLOT(receiveData(int)));
host = false;
}
#endif
Ipc::~Ipc()
{
#ifdef PWM_EMBEDDED
delete qSock;
#endif
delete_ifnot_null(notifier);
if (rdBuf)
free(rdBuf);
#ifndef PWM_EMBEDDED
if (stream)
fclose(stream);
#endif
if (host) {
close(sock[0]);
close(sock[1]);
}
}
void Ipc::receiveData(int s)
{
PWM_ASSERT(s == sock[0]);
PARAM_UNUSED(s);
#ifndef PWM_EMBEDDED
ssize_t rd;
rd = ::getline(&rdBuf, &rdBufSize, stream);
if (likely(rd > 0)) {
emit lineAvailable(rdBuf, rd);
}
#else
int rd;
rd = qSock->readLine(rdBuf, rdBufSize);
if (rd > 0) {
emit lineAvailable(rdBuf, rd);
}
#endif
qDebug("void Ipc::receiveData(int s) has to be implemented.");
}
#ifndef PWM_EMBEDDED_
#include "moc_ipc.cpp"
#endif
|