source: fact/FADctrl/FADBoard.cc@ 10285

Last change on this file since 10285 was 10279, checked in by ogrimm, 14 years ago
Frequency available as DIM service
File size: 19.2 KB
Line 
1/********************************************************************\
2
3 Class interfacing to FAD board
4
5\********************************************************************/
6
7#include "FADBoard.h"
8using namespace std;
9
10//
11// Constructor
12//
13FADBoard::FADBoard(string Server, unsigned short ServerPort, class FAD *Parent, unsigned int Num) {
14
15 int Ret;
16
17 // Initialization
18 m = Parent;
19 Active = false;
20 Continue = true;
21 CommOK = false;
22 ACalib.Time = -1;
23 Status.Update.tv_sec = -1;
24 Port = ServerPort;
25 Status.Frequency = 0;
26 Status.BoardID = 0;
27
28 Name = new char [Server.size()+1]; // Name in permanent memory for DIM service
29 strcpy(Name, Server.c_str());
30
31 // Initialise mutex for synchronization
32 pthread_mutexattr_t Attr;
33
34 if ((Ret = pthread_mutexattr_settype(&Attr, PTHREAD_MUTEX_ERRORCHECK)) != 0) {
35 m->Message(m->ERROR, "pthread_mutex_settype() failed (%s)", strerror(Ret));
36 }
37 if ((Ret = pthread_mutex_init(&Mutex, &Attr)) != 0) {
38 m->Message(m->FATAL, "pthread_mutex_init() failed (%s)", strerror(Ret));
39 }
40
41 // Initialise condition variable for synchronization
42 if ((Ret = pthread_cond_init(&CondVar, NULL)) != 0) {
43 m->Message(m->FATAL, "pthread_cond_init() failed (%s)", strerror(Ret));
44 }
45
46 // Construct DIM service name prefix
47 stringstream ID;
48 ID << SERVER_NAME"/Board" << setfill('0') << setw(2) << Num << "/";
49
50 DIM_Name = new DimService((ID.str()+"Server").c_str(), Name);
51 DIM_Status = new DimService((ID.str()+"Status").c_str(), (char *) "");
52 DIM_ID = new DimService((ID.str()+"BoardID").c_str(), (char *) "S", NULL, 0);
53 DIM_Frequency = new DimService((ID.str()+"Frequency").c_str(), Status.Frequency);
54 DIM_Temp = new DimService((ID.str()+"Temperature").c_str(), (char *) "F", NULL, 0);
55 DIM_DAC = new DimService((ID.str()+"DAC").c_str(), (char *) "S", NULL, 0);
56 DIM_ROI = new DimService((ID.str()+"ROI").c_str(), (char *) "S", NULL, 0);
57
58 // Create thread that connects and receives data
59 SetStatus("Trying to connect...");
60
61 if ((Ret = pthread_create(&Thread, NULL, (void * (*)(void *)) LaunchThread,(void *) this)) != 0) {
62 m->Message(m->FATAL, "pthread_create() failed in FADBoard() (%s)", strerror(Ret));
63 }
64
65 // Start thread to connect to other sockets
66 DimThread::start();
67}
68
69//
70// Destructor
71//
72FADBoard::~FADBoard() {
73
74 int Ret;
75
76 // Cancel thread (if it did not quit already) and wait for it to quit
77 if ((Ret = pthread_cancel(Thread)) != 0 && Ret != ESRCH) {
78 m->Message(m->ERROR, "pthread_cancel() failed in ~FADBoard() (%s)", strerror(Ret));
79 }
80 if ((Ret = pthread_join(Thread, NULL)) != 0) {
81 m->Message(m->ERROR, "pthread_join() failed in ~FADBoard (%s)", strerror(Ret));
82 }
83
84 delete DIM_Name;
85 delete DIM_Status;
86 delete DIM_ID;
87 delete DIM_Frequency;
88 delete DIM_Temp;
89 delete DIM_DAC;
90 delete DIM_ROI;
91 delete[] Name;
92
93 // Delete condition variable
94 if ((Ret = pthread_cond_destroy(&CondVar)) != 0) {
95 m->Message(m->ERROR, "pthread_cond_destroy() failed in ~FADBoard (%s)", strerror(Ret));
96 }
97
98 // Delete mutex
99 if ((Ret = pthread_mutex_destroy(&Mutex)) != 0) {
100 m->Message(m->ERROR, "pthread_mutex_destroy() failed in ~FADBoard (%s)", strerror(Ret));
101 }
102}
103
104
105//
106// Send data to board
107//
108void FADBoard::Send(const void *Data, size_t Bytes) {
109
110 // Do not send if not active or communication problem
111 if (!Active || !CommOK) return;
112
113 // Write data
114 ssize_t Result = write(Socket, Data, Bytes);
115
116 // Check result
117 if (Result == -1) m->PrintMessage("Error: Could not write to socket (%s)\n", strerror(errno));
118 else if ((size_t) Result < Bytes) m->PrintMessage("Error: Could only write %d bytes out of %d to socket\n", Result, Bytes);
119}
120
121void FADBoard::Send(unsigned short Data) {
122
123 unsigned short Buffer = htons(Data);
124
125 Send(&Buffer, sizeof(unsigned short));
126}
127
128
129//
130// Get board status (mutex protected to avoid concurrent access in ReadLoop)
131//
132struct FADBoard::BoardStatus FADBoard::GetStatus() {
133
134 int Ret;
135 struct BoardStatus S;
136
137 // Lock
138 if ((Ret = pthread_mutex_lock(&Mutex)) != 0) {
139 m->Message(m->FATAL, "pthread_mutex_lock() failed in ReadLoop() (%s)", strerror(Ret));
140 }
141
142 S = Status;
143
144 // Unlock
145 if ((Ret = pthread_mutex_unlock(&Mutex)) != 0) {
146 m->Message(m->FATAL, "pthread_mutex_unlock() failed in Unlock() (%s)", strerror(Ret));
147 }
148
149 return S;
150}
151
152
153//
154// Perform amplitude calibration in steps
155//
156// The steps are intended to assure that up to date data is available
157void FADBoard::AmplitudeCalibration() {
158
159 vector<unsigned short> ROICmd;
160 unsigned short DACCmd[] = {htons(CMD_Write | (BADDR_DAC + 1)), 0, htons(CMD_Write | (BADDR_DAC + 2)), 0, htons(CMD_Write | (BADDR_DAC + 3)), 0};
161 string Message = string("ACALIBDONE")+Name;
162
163 switch (State) {
164 // ====== Part A: Check if amplitude calibration should start and initialise =====
165 case standbye:
166 if (m->Mode != m->acalib) break;
167
168 // Invalidate current calibration
169 ACalib.Time = -1;
170 Count = 0;
171
172 // Save initial board status, set all ROIs to 1024 and set DAC values
173 InitialStatus = GetStatus();
174
175 for (unsigned int i=0; i<NChips*NChannels; i++) {
176 ROICmd.push_back(htons(CMD_Write | (BADDR_ROI + i)));
177 ROICmd.push_back(htons(NBins));
178 }
179 Send(&ROICmd[0], ROICmd.size()*sizeof(unsigned short));
180
181 DACCmd[1] = htons(0);
182 DACCmd[3] = htons(0);
183 DACCmd[5] = htons(0);
184 Send(DACCmd, sizeof(DACCmd));
185
186 // Clear sum vector and set state to accumulate
187 memset(Sum, 0, sizeof(Sum));
188 State = baseline;
189 break;
190
191 // ====== Part B: Baseline calibration =====
192 case baseline:
193 // Check for stopping
194 if (m->Mode != m->acalib) {
195 State = cleanup;
196 break;
197 }
198
199 // Average
200 for (unsigned int Chip=0; Chip<NChips; Chip++) {
201 for (unsigned int Chan=0; Chan<NChannels; Chan++) {
202 for (int i=0; i<Status.ROI[Chip][Chan]; i++) {
203 Sum[Chip][Chan][(i+Status.TriggerCell[Chip]) % NBins] += Data[Chip][Chan][i];
204 }
205 }
206 }
207 Count++;
208
209 // Determine baseline if integration finished
210 if (Count < m->NumEventsRequested) break;
211
212 for (unsigned int i=0; i<NChips; i++) {
213 for (unsigned int j=0; j<NChannels; j++) {
214 for (unsigned int k=0; k<NBins; k++) {
215 ACalib.Baseline[i][j][k] = Sum[i][j][k] / m->NumEventsRequested;
216 }
217 }
218 }
219
220 // Set new DAC values and start accumulation
221 DACCmd[1] = htons(50000);
222 DACCmd[3] = htons(50000);
223 DACCmd[5] = htons(50000);
224 Send(DACCmd, sizeof(DACCmd));
225
226 // Clear sum vector and set state to accumulate
227 memset(Sum, 0, sizeof(Sum));
228 Count = 0;
229 State = gain;
230 break;
231
232 // ====== Part C: Gain calibration =====
233 case gain:
234 // Check for stopping
235 if (m->Mode != m->acalib) {
236 State = cleanup;
237 break;
238 }
239
240 // Average
241 for (unsigned int Chip=0; Chip<NChips; Chip++) {
242 for (unsigned int Chan=0; Chan<NChannels; Chan++) {
243 for (int i=0; i<Status.ROI[Chip][Chan]; i++) {
244 Sum[Chip][Chan][(i+Status.TriggerCell[Chip]) % NBins] += Data[Chip][Chan][i];
245 }
246 }
247 }
248 Count++;
249
250 // Determine gain if integration finished
251 if (Count < m->NumEventsRequested) break;
252
253 for (unsigned int i=0; i<NChips; i++) {
254 for (unsigned int j=0; j<NChannels; j++) {
255 for (unsigned int k=0; k<NBins; k++) {
256 ACalib.Gain[i][j][k] = (Sum[i][j][k] / m->NumEventsRequested) - ACalib.Baseline[i][j][k];
257 }
258 }
259 }
260
261 // Set new DAC values and start accumulation
262 DACCmd[1] = htons(0);
263 DACCmd[3] = htons(0);
264 DACCmd[5] = htons(0);
265 Send(DACCmd, sizeof(DACCmd));
266
267 // Clear sum vector and set state to accumulate
268 memset(Sum, 0, sizeof(Sum));
269 Count = 0;
270 State = secondary;
271 break;
272
273 // ====== Part D: Secondary calibration =====
274 case secondary:
275 // Check for stopping
276 if (m->Mode != m->acalib) {
277 State = cleanup;
278 break;
279 }
280
281 // Average
282 for (unsigned int Chip=0; Chip<NChips; Chip++) {
283 for (unsigned int Chan=0; Chan<NChannels; Chan++) {
284 for (int i=0; i<Status.ROI[Chip][Chan]; i++) {
285 Sum[Chip][Chan][i] = Data[Chip][Chan][i] - ACalib.Baseline[Chip][Chan][(i-Status.TriggerCell[Chip]) % NBins];
286 }
287 }
288 }
289 Count++;
290
291 // Determine secondary baseline if integration finished
292 if (Count < m->NumEventsRequested) break;
293
294 for (unsigned int i=0; i<NChips; i++) {
295 for (unsigned int j=0; j<NChannels; j++) {
296 for (unsigned int k=0; k<NBins; k++) {
297 ACalib.Secondary[i][j][k] = Sum[i][j][k] / (double) m->NumEventsRequested;
298 }
299 }
300 }
301
302 // Store calibration time and temperature
303 ACalib.DNA = Status.DNA;
304 ACalib.Frequency = Status.Frequency;
305 ACalib.Time = time(NULL);
306 ACalib.Temp = 0;
307 for (unsigned int i=0; i<NTemp; i++) ACalib.Temp += Status.Temp[i] / NTemp;
308
309 // Inform event thread that calibration is finished for this board
310 if (write(m->Pipe[1], Message.data(), Message.size()) == -1) {
311 m->Message(m->ERROR, "write() to Pipe[1] failed in class FADBoard::AmplitudeCalibration (%s)", strerror(errno));
312 }
313
314 State = cleanup;
315 break;
316
317 // ====== Part E: Write back original ROI and DAC settings =====
318 case cleanup:
319 // ROI values
320 ROICmd.clear();
321 for (unsigned int i=0; i<NChips*NChannels; i++) {
322 ROICmd.push_back(htons(CMD_Write | (BADDR_ROI + i)));
323 ROICmd.push_back(htons(InitialStatus.ROI[i/NChannels][i%NChannels]));
324 }
325 Send(&ROICmd[0], ROICmd.size()*sizeof(unsigned short));
326
327 // DAC values
328 DACCmd[1] = htons(InitialStatus.DAC[1]);
329 DACCmd[3] = htons(InitialStatus.DAC[2]);
330 DACCmd[5] = htons(InitialStatus.DAC[3]);
331 Send(DACCmd, sizeof(DACCmd));
332
333 State = wait;
334 break;
335
336 // ====== Wait for Mode not being idle =====
337 case wait:
338 if (m->Mode == m->idle) State = standbye;
339 break;
340 }
341}
342
343//
344// Connect to board and read data
345//
346void FADBoard::ReadLoop() {
347
348 char Buffer[READ_BUFFER_SIZE];
349 unsigned int Pos = 0, Temp;
350 const PEVNT_HEADER *Header = (PEVNT_HEADER *) Buffer;
351 ssize_t Result;
352 struct sockaddr_in SocketAddress;
353 struct BoardStatus PrevStatus;
354 time_t LastUpdate = 0;
355 int Ret;
356
357 // Resolve hostname
358 struct hostent *Host = gethostbyname(Name);
359 if (Host == 0) {
360 SetStatus("Could not resolve host name '%s'", Name);
361 return;
362 }
363
364 SocketAddress.sin_family = PF_INET;
365 SocketAddress.sin_port = htons(Port);
366 SocketAddress.sin_addr = *(struct in_addr*) Host->h_addr;
367
368 // Open socket descriptor
369 if ((Socket = socket(PF_INET, SOCK_STREAM, 0)) == -1) {
370 m->Message(m->ERROR, "Could not open socket for %s (%s)\n", Name, strerror(errno));
371 return;
372 }
373
374 // Connect to server
375 if (connect(Socket, (struct sockaddr *) &SocketAddress, sizeof(SocketAddress)) == -1) {
376 SetStatus("Could not connect to port %hu (%s)", Port, strerror(errno));
377 }
378 else {
379 CommOK = true;
380 Active = true;
381 SetStatus("Connected");
382 }
383
384 memset(&PrevStatus, 0, sizeof(PrevStatus));
385
386 // Leave loop if program termination requested or board communication not OK
387 while (!m->ExitRequest && CommOK) {
388 // Read data from socket
389 Result = read(Socket, Buffer + Pos, sizeof(Buffer)-Pos);
390
391 // Check result of read
392 if (Result == -1) {
393 m->Message(m->ERROR, "Could not read from socket for %s, exiting read loop (%s)\n", Name, strerror(errno));
394 CommOK = false;
395 break;
396 }
397 else if (Result == 0) {
398 SetStatus("Server not existing anymore, exiting read loop");
399 CommOK = false;
400 break;
401 }
402
403 // If not active, discard incoming data
404 if (!Active) continue;
405
406 // Advance write pointer
407 Pos += Result;
408
409 // Check if internal buffer full
410 if (Pos == sizeof(Buffer)) {
411 SetStatus("Internal buffer full, deleting all data in buffer");
412 Pos = 0;
413 continue;
414 }
415
416 // Check if buffer starts with start_package_flag, remove data if not
417 Temp = 0;
418 while (ntohs(*((unsigned short *) (Buffer+Temp))) != 0xfb01 && Temp<Pos) Temp++;
419 if (Temp != 0) {
420 memmove(Buffer, Buffer+Temp, Pos-Temp);
421 Pos -= Temp;
422 SetStatus("Removed %d bytes because of start_package_flag not found", Temp);
423 continue;
424 }
425
426 // Wait until the buffer contains at least enough bytes to potentially hold a PEVNT_HEADER
427 if (Pos < sizeof(PEVNT_HEADER)) continue;
428
429 unsigned int Length = ntohs(Header->package_length)*2*sizeof(char);
430 if (Pos < Length) continue;
431
432 // Extract data if event end package flag correct
433 if (ntohs(*(unsigned short *) (Buffer+Length-sizeof(unsigned short))) == 0x04FE) {
434
435 // Prepare pointers to channel data (channels stored in order 0,9,18,27 - 1,10,19,28 - ... - 8,17,26,35)
436 PCHANNEL *Channel[NChips*NChannels], *Pnt=(PCHANNEL *) (Header+1);
437 for(unsigned int i=0; i<NChips*NChannels; i++) {
438 Channel[i] = Pnt;
439 Pnt = (PCHANNEL *) ((short *) (Channel[i] + 1) + ntohs(Channel[i]->roi));
440 }
441
442 PrevStatus = Status;
443
444 // Wait until event thread processed the previous data and lock to avoid concurrent access in GetStatus()
445 Lock();
446 while (!Continue) {
447 if ((Ret = pthread_cond_wait(&CondVar, &Mutex)) != 0) {
448 m->Message(m->ERROR, "pthread_cond_wait() failed (%s)", strerror(Ret));
449 }
450 }
451 gettimeofday(&Status.Update, NULL);
452
453 // Extract board and trigger information
454 Status.BoardID = ntohs(Header->board_id);
455 Status.FirmwareRevision = ntohs(Header->version_no);
456 Status.BoardTime = ntohl(Header->time);
457 Status.EventCounter = ntohl(Header->fad_evt_counter);
458 Status.TriggerID = ntohl(Header->trigger_id);
459 Status.TriggerType = ntohs(Header->trigger_type);
460 Status.TriggerCRC = ntohs(Header->trigger_crc);
461 Status.DNA = Header->DNA;
462
463 // Extract frequency related information
464 Status.Frequency = ntohl(Header->REFCLK_frequency)/1.0e3*2.048;
465 Status.PhaseShift = Header->adc_clock_phase_shift;
466 for (unsigned int i=0; i<NChips; i++) {
467 if ((ntohs(Header->PLLLCK)>>12 & (1<<i)) != 0) Status.Lock[i] = true;
468 else Status.Lock[i] = false;
469 }
470
471 // Extract Firmware status info
472 Status.denable = (bool) ( ntohs(Header->PLLLCK) & (1<<11) );
473 Status.dwrite = (bool) ( ntohs(Header->PLLLCK) & (1<<10) );
474 Status.DCM_lock = (bool) ( ntohs(Header->PLLLCK) & (1<<9) );
475 Status.DCM_ready = (bool) ( ntohs(Header->PLLLCK) & (1<<8) );
476 Status.spi_clk = (bool) ( ntohs(Header->PLLLCK) & (1<<7) );
477
478 // Extract temperatures (MSB indicates if temperature is positive or negative)
479 for (unsigned int i=0; i<NTemp; i++) {
480 if ((ntohs(Header->drs_temperature[i]) & 0x8000) == 0) Status.Temp[i] = float(ntohs(Header->drs_temperature[i]) >> 3)/16;
481 else Status.Temp[i] = float(0xE000 | (ntohs(Header->drs_temperature[i])) >> 3)/16;
482 }
483
484 // Extract DAC channels
485 for (unsigned int i=0; i<NDAC; i++) Status.DAC[i] = ntohs(Header->dac[i]);
486
487 short Buf;
488 for (unsigned int Chip=0; Chip<NChips; Chip++) {
489 // Extract trigger cells
490 Status.TriggerCell[Chip] = (int) ntohs(Channel[Chip]->start_cell);
491
492 for (unsigned int Chan=0; Chan<NChannels; Chan++) {
493 // Extract ROI
494 Status.ROI[Chip][Chan] = ntohs(Channel[Chip+NChips*Chan]->roi);
495
496 // Extract ADC data (stored in 12 bit signed twis complement with out-of-range-bit and leading zeroes)
497 for (int i=0; i<Status.ROI[Chip][Chan]; i++) {
498 Buf = ntohs(Channel[Chip+NChips*Chan]->adc_data[i]);
499 (Buf <<= 4) >>= 4; //delete the sign-bit by shifting left and shift back
500 Data[Chip][Chan][i] = Buf;
501 }
502 }
503 }
504
505 // Prepare predicate for condition variable
506 Continue = false;
507 Unlock();
508
509 // Amplitude calibration (will check if Mode is acalib)
510 AmplitudeCalibration();
511
512 // Update DIM services if necessary
513 if (time(NULL) - LastUpdate > m->EventUpdateDelay) {
514 LastUpdate = time(NULL);
515
516 if (PrevStatus.Frequency != Status.Frequency) DIM_Frequency->updateService();
517
518 if (memcmp(PrevStatus.Temp, Status.Temp, sizeof(Status.Temp)) != 0) {
519 DIM_Temp->updateService(Status.Temp, sizeof(Status.Temp));
520 }
521 if (memcmp(PrevStatus.DAC, Status.DAC, sizeof(Status.DAC)) != 0) {
522 DIM_DAC->updateService(Status.DAC, sizeof(Status.DAC));
523 }
524 if (memcmp(PrevStatus.ROI, Status.ROI, sizeof(Status.ROI)) != 0) {
525 DIM_ROI->updateService(Status.ROI, sizeof(Status.ROI));
526 }
527 if (PrevStatus.BoardID != Status.BoardID) {
528 DIM_ID->updateService(&Status.BoardID, sizeof(Status.BoardID));
529 }
530 }
531
532 // Inform event thread of new data
533 string Message = string("EVENT")+Name;
534 if (write(m->Pipe[1], Message.data(), Message.size()) == -1) {
535 m->Message(m->ERROR, "write() to Pipe[1] failed in class FADBoard (%s)", strerror(errno));
536 m->ExitRequest = true;
537 }
538 }
539 else SetStatus("End package flag incorrect, removing corrupt event");
540
541 // Remove event data from internal buffer
542 memmove(Buffer, Buffer+Length, Pos-Length);
543 Pos = Pos-Length;
544 } // while()
545
546 // Set inactive and close socket descriptor
547 Active = false;
548
549 if (close(Socket) == -1) {
550 m->Message(m->ERROR, "Could not close socket descriptor for board %s (%s)", Name, strerror(errno));
551 }
552
553}
554
555//
556// Launch read thread inside class
557//
558void FADBoard::LaunchThread(class FADBoard *m) {
559
560 m->ReadLoop();
561}
562
563
564//
565// Set status message
566//
567void FADBoard::SetStatus(const char *Format, ...) {
568
569 int Ret;
570
571 // Assemble message
572 va_list ArgumentPointer;
573 va_start(ArgumentPointer, Format);
574 Lock();
575 Ret = vsnprintf(Status.Message, sizeof(Status.Message), Format, ArgumentPointer);
576 Unlock();
577 va_end(ArgumentPointer);
578
579 if (Ret == -1) m->Message(m->FATAL, "snprintf() in FADBoard::SetStatus() failed (%s)", strerror(errno));
580
581 // Update status service
582 DIM_Status->updateService(Status.Message);
583}
584
585
586//
587// Lock and unlock mutex
588//
589void FADBoard::Lock() {
590
591 int Ret;
592
593 if ((Ret = pthread_mutex_lock(&Mutex)) != 0) {
594 m->Message(m->FATAL, "pthread_mutex_lock() failed in class FADBoard (%s)", strerror(Ret));
595 }
596}
597
598void FADBoard::Unlock() {
599
600 int Ret;
601
602 if ((Ret = pthread_mutex_unlock(&Mutex)) != 0) {
603 m->Message(m->FATAL, "pthread_mutex_unlock() failed in class FADBoard (%s)", strerror(Ret));
604 }
605}
606
607
608//
609// Open other sockets
610//
611// Error reporting is limited as this function is expected to be removed when firmware allows single socket
612//
613void FADBoard::threadHandler() {
614
615 int List[] = {5001, 5002, 5003, 5004, 5005, 5006, 5007};
616 int Socket[sizeof(List)/sizeof(int)], MaxSocketNum, Ret;
617 fd_set DescriptorList;
618 char Buffer[1000000];
619
620 // Resolve hostname
621 struct hostent *Host = gethostbyname(Name);
622 if (Host == 0) return;
623
624 // Connect to server
625 struct sockaddr_in SocketAddress;
626 SocketAddress.sin_family = PF_INET;
627 SocketAddress.sin_addr = *(struct in_addr*) Host->h_addr;
628
629 for (unsigned int i=0; i<sizeof(List)/sizeof(int); i++) {
630 // Open socket descriptor
631 if ((Socket[i] = socket(PF_INET, SOCK_STREAM, 0)) == -1) {
632 m->Message(m->ERROR, "OtherSockets: Could not open socket for port %d (%s)\n", List[i], strerror(errno));
633 return;
634 }
635 MaxSocketNum = *max_element(Socket, Socket+sizeof(List)/sizeof(int));
636
637 // Connect to server
638 SocketAddress.sin_port = htons((unsigned short) List[i]);
639 if (connect(Socket[i], (struct sockaddr *) &SocketAddress, sizeof(SocketAddress)) == -1) return;
640 }
641
642 while(true) {
643 // Wait for data from sockets
644 FD_ZERO(&DescriptorList);
645 for (unsigned int i=0; i<sizeof(List)/sizeof(int); i++) FD_SET(Socket[i], &DescriptorList);
646 if (select(MaxSocketNum+1, &DescriptorList, NULL, NULL, NULL) == -1) {
647 m->Message(m->ERROR, "OtherSockets: Error with select() (%s)\n", strerror(errno));
648 break;
649 }
650
651 // Data from socket
652 for (unsigned int i=0; i<sizeof(List)/sizeof(int); i++) if (FD_ISSET(Socket[i], &DescriptorList)) {
653 Ret = read(Socket[i], Buffer, sizeof(Buffer));
654 if (Ret == -1) m->Message(m->ERROR, "OtherSockets: Error reading from port %d (%s)\n", List[i], strerror(errno));
655 }
656 }
657
658 // Close all sockets
659 for (unsigned int i=0; i<sizeof(List)/sizeof(int); i++) {
660 if ((Socket[i] != -1) && (close(Socket[i]) == -1)) {
661 m->Message(m->ERROR, "OtherSockets: Could not close socket of port %d (%s)", List[i], strerror(errno));
662 }
663 }
664}
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