-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathdltminiserver.cpp
426 lines (344 loc) · 12.4 KB
/
dltminiserver.cpp
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
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
/**
* @licence app begin@
* Copyright (C) 2021 Alexander Wenzel
*
* This file is part of the DLT Relais project.
*
* \copyright This code is licensed under GPLv3.
*
* \author Alexander Wenzel <[email protected]>
*
* \file dltminiserver.h
* @licence end@
*/
#include "dltminiserver.h"
#include <QDebug>
#include <QFile>
DLTMiniServer::DLTMiniServer(QObject *parent) : QObject(parent)
{
clearSettings();
tcpSocket = 0;
}
DLTMiniServer::~DLTMiniServer()
{
stop();
}
void DLTMiniServer::start()
{
if(tcpServer.isListening())
return;
tcpServer.setMaxPendingConnections(1);
if(tcpServer.listen(QHostAddress::Any,port)==true)
{
connect(&tcpServer, SIGNAL(newConnection()), this, SLOT(newConnection()));
status("listening");
qDebug() << "DLTMiniServer: listening" << port;
}
else
{
status("error");
qDebug() << "DLTMiniServer: errorg" << port;
}
}
void DLTMiniServer::stop()
{
if(tcpSocket && tcpSocket->isOpen())
{
disconnect(tcpSocket, SIGNAL(connected()), this, SLOT(connected()));
disconnect(tcpSocket, SIGNAL(disconnected()), this, SLOT(disconnected()));
tcpSocket->close();
}
disconnect(&tcpServer, SIGNAL(newConnection()), this, SLOT(newConnection()));
tcpServer.close();
readData.clear();
status("stopped");
qDebug() << "DLTMiniServer: stopped" << port;
}
void DLTMiniServer::clearSettings()
{
port = 3491;
applicationId = "DLT";
contextId = "Mini";
}
void DLTMiniServer::writeSettings(QXmlStreamWriter &xml)
{
/* Write project settings */
xml.writeStartElement("DLTMiniServer");
xml.writeTextElement("port",QString("%1").arg(port));
xml.writeTextElement("applicationId",applicationId);
xml.writeTextElement("contextId",contextId);
xml.writeEndElement(); // DLTMiniServer
}
void DLTMiniServer::readSettings(const QString &filename)
{
bool isDLTRelais = false;
QFile file(filename);
if (!file.open(QFile::ReadOnly | QFile::Text))
return;
QXmlStreamReader xml(&file);
while (!xml.atEnd())
{
xml.readNext();
if(xml.isStartElement())
{
if(isDLTRelais)
{
/* Project settings */
if(xml.name() == QString("port"))
{
port = xml.readElementText().toUShort();
}
if(xml.name() == QString("applicationId"))
{
applicationId = xml.readElementText();
}
if(xml.name() == QString("contextId"))
{
contextId = xml.readElementText();
}
}
else if(xml.name() == QString("DLTMiniServer"))
{
isDLTRelais = true;
}
}
else if(xml.isEndElement())
{
/* Connection, plugin and filter */
if(xml.name() == QString("DLTMiniServer"))
{
isDLTRelais = false;
}
}
}
if (xml.hasError())
{
qDebug() << "Error in processing filter file" << filename << xml.errorString();
}
file.close();
}
void DLTMiniServer::readyRead()
{
while(tcpSocket && tcpSocket->bytesAvailable())
{
readData += tcpSocket->readAll();
// check if complete DLT message is received
do
{
if(readData.size()>=4)
{
// calculate size
unsigned short length = (unsigned short)(readData[3]) | ((unsigned short)(readData[2]) << 8);
if(readData.size()>=length)
{
qDebug() << "DLTMiniServer: msg received with length" << length;
unsigned char htyp = (unsigned char)(readData[0]);
int standardHeaderLength = 4;
if(htyp&0x04) standardHeaderLength+=4; // with ecu id
if(htyp&0x08) standardHeaderLength+=4; // with session id
if(htyp&0x10) standardHeaderLength+=4; // with timestamp
//qDebug() << "DLTMiniServer: header length" << standardHeaderLength;
if(htyp&0x01) // use of extended header
{
unsigned char msin = (unsigned char)(readData[standardHeaderLength]);
unsigned char mstp = (msin >> 1) & 0x07;
unsigned char mtin = (msin >> 4) & 0x0f;
//qDebug() << "DLTMiniServer: mstp" << mstp << "mtin" << mtin;
if(mstp==0x3 && mtin == 0x01 && readData.size()>=standardHeaderLength+10+4) // Control request message
{
unsigned int serviceId = (unsigned int)(readData[standardHeaderLength+10]) |
(unsigned int)(readData[standardHeaderLength+11]) << 8 |
(unsigned int)(readData[standardHeaderLength+12]) << 16 |
(unsigned int)(readData[standardHeaderLength+13]) << 24;
//qDebug() << "DLTMiniServer: serviceId" << serviceId;
if(serviceId==4096 && readData.size()>=standardHeaderLength+10+4+4)
{
int lengthData = (unsigned int)(readData[standardHeaderLength+14]) |
(unsigned int)(readData[standardHeaderLength+15]) << 8 |
(unsigned int)(readData[standardHeaderLength+15]) << 16 |
(unsigned int)(readData[standardHeaderLength+15]) << 24;
//qDebug() << "DLTMiniServer: lengthData" << lengthData;
if(readData.size()>=standardHeaderLength+18+lengthData)
{
QByteArray injectionData = readData.mid(standardHeaderLength+18,lengthData);
QString injectionStr = QString::fromLatin1(injectionData);
qDebug() << "DLTMiniServer: injection" << injectionStr;
injection(injectionStr);
}
}
}
}
readData.remove(0,length); // full message received, delete
}
else
{
break; // no full message received
}
}
else
{
break; // no full message received
}
} while(true);
}
}
void DLTMiniServer::newConnection()
{
tcpSocket = tcpServer.nextPendingConnection();
connect(tcpSocket, SIGNAL(connected()), this, SLOT(connected()));
connect(tcpSocket, SIGNAL(disconnected()), this, SLOT(disconnected()));
connect(tcpSocket, SIGNAL(readyRead()), this, SLOT(readyRead()));
tcpServer.pauseAccepting();
readData.clear();
status("connected");
}
void DLTMiniServer::connected()
{
}
void DLTMiniServer::disconnected()
{
tcpSocket->close();
disconnect(tcpSocket, SIGNAL(connected()), this, SLOT(connected()));
disconnect(tcpSocket, SIGNAL(disconnected()), this, SLOT(disconnected()));
disconnect(tcpSocket, SIGNAL(readyRead()), this, SLOT(readyRead()));
//delete tcpSocket;
tcpSocket = 0;
tcpServer.resumeAccepting();
readData.clear();
status("listening");
}
void DLTMiniServer::sendValue(QString appId,QString ctxId, QString text,int logLevel)
{
if(tcpSocket==0 || !tcpSocket->isOpen())
{
return;
}
QByteArray data;
// Standard Header (4 Byte)
data += 0x21; // htyp: Use extended header, version 0x1
data += (char)0x00; // message counter
data += (char)0x00; // length high byte
data += (char)4+10+4+2+text.length(); // length low byte
// Extended Header (10 Byte)
data += (char)0x01|(char)logLevel<<4; // MSIN: Verbose,DLT_TYPE_LOG
data += (char)0x01; // NOAR
data += appId[0].toLatin1(); // APID
data += appId[1].toLatin1(); // APID
data += appId[2].toLatin1(); // APID
data += appId[3].toLatin1(); // APID
data += ctxId[0].toLatin1(); // CTID
data += ctxId[1].toLatin1(); // CTID
data += ctxId[2].toLatin1(); // CTID
data += ctxId[3].toLatin1(); // CTID
// Payload Type Info (4 Byte)
data += (char)0x00;
data += (char)0x02; // String
data += (char)0x00;
data += (char)0x00;
// Payload Type Data Length
data += ((char)text.length()); // length low byte
data += ((char)0x00); // length high byte
// Payload Type Data
data += text.toUtf8();
tcpSocket->write(data);
}
void DLTMiniServer::sendValue2(QString appId,QString ctxId, QString text1,QString text2,int logLevel)
{
if(tcpSocket==0 || !tcpSocket->isOpen())
{
return;
}
QByteArray data;
// Standard Header (4 Byte)
data += 0x21; // htyp: Use extended header, version 0x1
data += (char)0x00; // message counter
data += (char)0x00; // length high byte
data += (char)4+10+4+2+text1.length()+4+2+text2.length(); // length low byte
// Extended Header (10 Byte)
data += (char)0x01|(char)logLevel<<4; // MSIN: Verbose,DLT_TYPE_LOG
data += (char)0x02; // NOAR
data += appId[0].toLatin1(); // APID
data += appId[1].toLatin1(); // APID
data += appId[2].toLatin1(); // APID
data += appId[3].toLatin1(); // APID
data += ctxId[0].toLatin1(); // CTID
data += ctxId[1].toLatin1(); // CTID
data += ctxId[2].toLatin1(); // CTID
data += ctxId[3].toLatin1(); // CTID
// Payload Type Info (4 Byte)
data += (char)0x00;
data += (char)0x02; // String
data += (char)0x00;
data += (char)0x00;
// Payload Type Data Length
data += ((char)text1.length()); // length low byte
data += ((char)0x00); // length high byte
// Payload Type Data
data += text1.toUtf8();
// Payload Type Info (4 Byte)
data += (char)0x00;
data += (char)0x02; // String
data += (char)0x00;
data += (char)0x00;
// Payload Type Data Length
data += ((char)text2.length()); // length low byte
data += ((char)0x00); // length high byte
// Payload Type Data
data += text2.toUtf8();
tcpSocket->write(data);
}
void DLTMiniServer::sendValue3(QString appId,QString ctxId, QString text1,QString text2,QString text3,int logLevel)
{
if(tcpSocket==0 || !tcpSocket->isOpen())
{
return;
}
QByteArray data;
// Standard Header (4 Byte)
data += 0x21; // htyp: Use extended header, version 0x1
data += (char)0x00; // message counter
data += (char)0x00; // length high byte
data += (char)4+10+4+2+text1.length()+4+2+text2.length()+4+2+text3.length(); // length low byte
// Extended Header (10 Byte)
data += (char)0x01|(char)logLevel<<4; // MSIN: Verbose,DLT_TYPE_LOG
data += (char)0x03; // NOAR
data += appId[0].toLatin1(); // APID
data += appId[1].toLatin1(); // APID
data += appId[2].toLatin1(); // APID
data += appId[3].toLatin1(); // APID
data += ctxId[0].toLatin1(); // CTID
data += ctxId[1].toLatin1(); // CTID
data += ctxId[2].toLatin1(); // CTID
data += ctxId[3].toLatin1(); // CTID
// Payload Type Info (4 Byte)
data += (char)0x00;
data += (char)0x02; // String
data += (char)0x00;
data += (char)0x00;
// Payload Type Data Length
data += ((char)text1.length()); // length low byte
data += ((char)0x00); // length high byte
// Payload Type Data
data += text1.toUtf8();
// Payload Type Info (4 Byte)
data += (char)0x00;
data += (char)0x02; // String
data += (char)0x00;
data += (char)0x00;
// Payload Type Data Length
data += ((char)text2.length()); // length low byte
data += ((char)0x00); // length high byte
// Payload Type Data
data += text2.toUtf8();
// Payload Type Info (4 Byte)
data += (char)0x00;
data += (char)0x02; // String
data += (char)0x00;
data += (char)0x00;
// Payload Type Data Length
data += ((char)text3.length()); // length low byte
data += ((char)0x00); // length high byte
// Payload Type Data
data += text3.toUtf8();
tcpSocket->write(data);
}