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73abe331 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
16 | /* | |
17 | $Log$ | |
92c4ccff | 18 | Revision 1.7 2007/10/16 15:02:20 jgrosseo |
19 | fixed bug if zero values collected | |
20 | ||
e1c93495 | 21 | Revision 1.6 2007/10/16 14:37:16 jgrosseo |
22 | changing to AMANDA protocol version 2 | |
23 | ||
4e3d5771 | 24 | Revision 1.5 2007/10/05 12:40:55 acolla |
25 | ||
26 | Result error code added to AliDCSClient data members (it was "lost" with the new implementation of TMap* GetAliasValues and GetDPValues). | |
27 | ||
1790d4b7 | 28 | Revision 1.4 2007/09/14 16:46:14 jgrosseo |
29 | 1) Connect and Close are called before and after each query, so one can | |
30 | keep the same AliDCSClient object. | |
31 | 2) The splitting of a query is moved to GetDPValues/GetAliasValues. | |
32 | 3) Splitting interval can be specified in constructor | |
33 | ||
b41b252a | 34 | Revision 1.3 2007/09/11 16:42:02 jgrosseo |
35 | starting modifying AliDCSClient to transparently switch between single and multi query | |
36 | first step: same alidcsclient can be used for several queries | |
37 | ||
bee83158 | 38 | Revision 1.2 2007/06/09 13:01:09 jgrosseo |
39 | Switching to retrieval of several DCS DPs at a time (multiDPrequest) | |
40 | ||
a038aa70 | 41 | Revision 1.1 2006/11/06 14:22:47 jgrosseo |
42 | major update (Alberto) | |
43 | o) reading of run parameters from the logbook | |
44 | o) online offline naming conversion | |
45 | o) standalone DCSclient package | |
46 | ||
eba76848 | 47 | Revision 1.6 2006/10/02 16:38:39 jgrosseo |
48 | update (alberto): | |
49 | fixed memory leaks | |
50 | storing of objects that failed to be stored to the grid before | |
51 | interfacing of shuttle status table in daq system | |
52 | ||
2bb7b766 | 53 | Revision 1.5 2006/08/15 10:50:00 jgrosseo |
54 | effc++ corrections (alberto) | |
55 | ||
4f0ab988 | 56 | Revision 1.4 2006/07/04 14:59:57 jgrosseo |
57 | revision of AliDCSValue: Removed wrapper classes, reduced storage size per value by factor 2 | |
58 | ||
45a493ce | 59 | Revision 1.3 2006/06/12 09:11:16 jgrosseo |
60 | coding conventions (Alberto) | |
61 | ||
58bc3020 | 62 | Revision 1.2 2006/03/07 07:52:34 hristov |
63 | New version (B.Yordanov) | |
64 | ||
d477ad88 | 65 | Revision 1.3 2005/11/17 17:47:34 byordano |
66 | TList changed to TObjArray | |
67 | ||
68 | Revision 1.2 2005/11/17 14:43:23 byordano | |
69 | import to local CVS | |
70 | ||
71 | Revision 1.1.1.1 2005/10/28 07:33:58 hristov | |
72 | Initial import as subdirectory in AliRoot | |
73 | ||
73abe331 | 74 | Revision 1.1.1.1 2005/09/12 22:11:40 byordano |
75 | SHUTTLE package | |
76 | ||
77 | Revision 1.3 2005/08/30 10:53:23 byordano | |
78 | some more descriptions added | |
79 | ||
80 | */ | |
81 | ||
82 | // | |
83 | // This class represents the AliDCSClient. | |
84 | // The client used for data retrieval from DCS server. | |
85 | // There are two way for retrieving data from the server. | |
86 | // 1) asking for DP (DataPoint) - usually changed frequently. | |
87 | // 2) asking for Alias (Alias) - alias should be the same through whole | |
88 | // experimnet. | |
89 | // | |
90 | // There are two type of read operations: | |
91 | // Asking for single alias/dp or asking for set of aliases/dp | |
92 | // | |
93 | // In case of ServerError the coresponding error code and | |
94 | // error string (description) could be got by GetServerErrorCode() and | |
95 | // GetServerErrorString() | |
96 | // | |
97 | ||
98 | #include "AliDCSClient.h" | |
73abe331 | 99 | #include "AliDCSValue.h" |
100 | #include "AliLog.h" | |
101 | ||
58bc3020 | 102 | #include <TSocket.h> |
d477ad88 | 103 | #include <TObjArray.h> |
73abe331 | 104 | #include <TMap.h> |
105 | #include <TObjString.h> | |
106 | #include <TSystem.h> | |
107 | ||
108 | ClassImp(AliDCSClient) | |
109 | ||
73abe331 | 110 | const char* AliDCSClient::fgkBadStateString = "BadState"; |
73abe331 | 111 | const char* AliDCSClient::fgkInvalidParameterString = "InvalidParameter"; |
73abe331 | 112 | const char* AliDCSClient::fgkTimeoutString = "Timeout"; |
73abe331 | 113 | const char* AliDCSClient::fgkBadMessageString = "BadMessage"; |
73abe331 | 114 | const char* AliDCSClient::fgkCommErrorString = "CommunicationError"; |
73abe331 | 115 | const char* AliDCSClient::fgkServerErrorString = "ServerError"; |
116 | ||
58bc3020 | 117 | //______________________________________________________________________ |
73abe331 | 118 | AliDCSClient::AliDCSClient(const char* host, Int_t port, UInt_t timeout, |
b41b252a | 119 | Int_t retries, Int_t multiSplit): |
120 | fSocket(NULL), fHost(host), fPort(port), fTimeout(timeout), fRetries(retries), fMultiSplit(multiSplit), | |
1790d4b7 | 121 | fServerErrorCode(AliDCSMessage::kNoneError), fServerError(""), fResultErrorCode(0) |
73abe331 | 122 | { |
123 | // | |
124 | // host: DCS server host | |
125 | // port: DCS server port | |
126 | // timeout: in case of communication error or socket read/write this | |
127 | // timeout will be used before the next try is made. | |
128 | // retries: the number of retries after which the connection is | |
129 | // is considered as invalid and error is returned. | |
130 | // | |
73abe331 | 131 | } |
132 | ||
58bc3020 | 133 | //______________________________________________________________________ |
bee83158 | 134 | AliDCSClient::~AliDCSClient() |
58bc3020 | 135 | { |
bee83158 | 136 | // destructor |
58bc3020 | 137 | |
bee83158 | 138 | Close(); |
58bc3020 | 139 | } |
140 | ||
141 | //______________________________________________________________________ | |
bee83158 | 142 | Bool_t AliDCSClient::Connect() |
58bc3020 | 143 | { |
bee83158 | 144 | // connects to the AMANDA server |
145 | ||
146 | Close(); | |
147 | ||
148 | Int_t tries = 0; | |
149 | while (tries < fRetries) | |
150 | { | |
151 | fSocket = new TSocket(fHost, fPort); | |
152 | if (fSocket->IsValid()) | |
153 | { | |
154 | AliDebug(1, Form("Connected to %s:%d", fHost.Data(), fPort)); | |
155 | fSocket->SetOption(kNoBlock, 1); | |
156 | return kTRUE; | |
157 | } | |
58bc3020 | 158 | |
bee83158 | 159 | AliDebug(1, Form("Connection timeout! tries <%d> ...", tries)); |
58bc3020 | 160 | |
73abe331 | 161 | delete fSocket; |
bee83158 | 162 | fSocket = NULL; |
163 | ||
164 | gSystem->Sleep(fTimeout); | |
165 | tries ++; | |
73abe331 | 166 | } |
bee83158 | 167 | |
168 | return kFALSE; | |
73abe331 | 169 | } |
170 | ||
58bc3020 | 171 | //______________________________________________________________________ |
172 | Int_t AliDCSClient::SendBuffer(const char* buffer, Int_t size) | |
173 | { | |
174 | // send buffer containing the message to the DCS server | |
73abe331 | 175 | |
176 | Int_t sentSize = 0; | |
177 | Int_t tries = 0; | |
178 | ||
179 | while (sentSize < size && tries < fRetries) { | |
180 | ||
181 | Int_t sResult = fSocket->Select(TSocket::kWrite, fTimeout); | |
182 | ||
183 | if (sResult == 0) { | |
184 | AliDebug(1, Form("Timeout! tries <%d> ...", tries)); | |
185 | tries ++; | |
186 | continue; | |
187 | ||
188 | } else if (sResult < 0) { | |
189 | AliDebug(1, Form("Communication error <%d>!", | |
190 | fSocket->GetErrorCode())); | |
191 | return AliDCSClient::fgkCommError; | |
192 | } | |
193 | ||
194 | sResult = fSocket->SendRaw(buffer + sentSize, size - sentSize, | |
195 | kDontBlock); | |
196 | ||
197 | if (sResult > 0) { | |
198 | sentSize += sResult; | |
199 | } else { | |
200 | AliDebug(1, Form("Communication error <%d>!", | |
201 | fSocket->GetErrorCode())); | |
202 | return AliDCSClient::fgkCommError; | |
203 | } | |
204 | } | |
205 | ||
206 | if (tries == fRetries) { | |
207 | return AliDCSClient::fgkTimeout; | |
208 | } | |
209 | ||
210 | return sentSize; | |
211 | } | |
212 | ||
58bc3020 | 213 | //______________________________________________________________________ |
214 | Int_t AliDCSClient::ReceiveBuffer(char* buffer, Int_t size) | |
215 | { | |
216 | // Receive message from the DCS server and fill buffer | |
73abe331 | 217 | |
218 | Int_t receivedSize = 0; | |
219 | Int_t tries = 0; | |
220 | ||
221 | while (receivedSize < size && tries < fRetries) { | |
222 | ||
223 | Int_t sResult = fSocket->Select(TSocket::kRead, fTimeout); | |
224 | ||
225 | if (sResult == 0) { | |
226 | AliDebug(1, Form("Timeout! tries <%d> ...", tries)); | |
227 | tries ++; | |
228 | continue; | |
229 | ||
230 | } else if (sResult < 0) { | |
231 | AliDebug(1, Form("Communication error <%d>", | |
232 | fSocket->GetErrorCode())); | |
233 | return AliDCSClient::fgkCommError; | |
234 | } | |
235 | ||
236 | sResult = fSocket->RecvRaw(buffer + receivedSize, | |
237 | size - receivedSize, kDontBlock); | |
238 | ||
239 | if (sResult > 0) { | |
240 | receivedSize += sResult; | |
241 | } else { | |
242 | AliDebug(1, Form("Communication error <%d>", | |
243 | fSocket->GetErrorCode())); | |
244 | return AliDCSClient::fgkCommError; | |
245 | } | |
246 | } | |
247 | ||
248 | if (tries == fRetries) { | |
249 | return AliDCSClient::fgkTimeout; | |
250 | } | |
251 | ||
252 | return receivedSize; | |
253 | } | |
254 | ||
58bc3020 | 255 | //______________________________________________________________________ |
256 | Int_t AliDCSClient::SendMessage(AliDCSMessage& message) | |
257 | { | |
258 | // send message to the DCS server | |
73abe331 | 259 | |
260 | message.StoreToBuffer(); | |
261 | ||
262 | AliDebug(2, "Sending message.\n"); | |
263 | message.Print(); | |
264 | ||
265 | return SendBuffer(message.GetMessage(), message.GetMessageSize()); | |
266 | } | |
267 | ||
58bc3020 | 268 | //______________________________________________________________________ |
4e3d5771 | 269 | Int_t AliDCSClient::ReceiveMessage(AliDCSMessage& message) |
58bc3020 | 270 | { |
271 | // receive message from the DCS server | |
73abe331 | 272 | |
273 | char header[HEADER_SIZE]; | |
274 | ||
275 | Int_t sResult; | |
276 | ||
277 | if ((sResult = ReceiveBuffer(header, HEADER_SIZE)) < 0) { | |
278 | AliDebug(1, Form("Can't receive message header! Reason: %s", | |
279 | GetErrorString(sResult))); | |
280 | return sResult; | |
281 | } | |
282 | ||
283 | if (!message.SetRawHeader(header)) { | |
284 | return AliDCSClient::fgkBadMessage; | |
285 | } | |
286 | ||
287 | if ((sResult = ReceiveBuffer(message.GetBody(), | |
288 | message.GetBodySize())) < 0) { | |
289 | ||
290 | AliDebug(1, Form("Can't receive message body! Reason: %s", | |
291 | GetErrorString(sResult))); | |
292 | return sResult; | |
293 | } | |
294 | ||
295 | message.LoadFromBuffer(); | |
296 | ||
297 | AliDebug(2, "Message received."); | |
298 | message.Print(); | |
299 | ||
300 | return HEADER_SIZE + sResult; | |
301 | } | |
302 | ||
58bc3020 | 303 | //______________________________________________________________________ |
73abe331 | 304 | Int_t AliDCSClient::GetValues(AliDCSMessage::RequestType reqType, |
2bb7b766 | 305 | const char* reqString, UInt_t startTime, UInt_t endTime, TObjArray* result) |
73abe331 | 306 | { |
bee83158 | 307 | // get array of DCS values from the DCS server |
308 | // reqString: alias name | |
309 | // startTime, endTime: start time and end time of the query | |
310 | // result: contains the array of retrieved AliDCSValue's | |
58bc3020 | 311 | |
bee83158 | 312 | Connect(); |
313 | ||
73abe331 | 314 | if (!IsConnected()) { |
315 | AliError("Not connected!"); | |
316 | return AliDCSClient::fgkBadState; | |
317 | } | |
318 | ||
bee83158 | 319 | Int_t sResult = -1; |
73abe331 | 320 | AliDCSMessage requestMessage; |
2bb7b766 | 321 | requestMessage.CreateRequestMessage(reqType, startTime, endTime, |
73abe331 | 322 | reqString); |
323 | ||
324 | if ((sResult = SendMessage(requestMessage)) < 0) { | |
325 | AliError(Form("Can't send request message! Reason: %s", | |
326 | GetErrorString(sResult))); | |
327 | Close(); | |
328 | return sResult; | |
2bb7b766 | 329 | } |
330 | ||
4e3d5771 | 331 | Int_t receivedValues = 0; |
332 | ||
333 | while (1) | |
334 | { | |
335 | Int_t tmp = 0; | |
336 | sResult = ReceiveValueSet(result, tmp); | |
337 | if (sResult <= 0) | |
338 | break; | |
339 | receivedValues += sResult; | |
340 | } | |
2bb7b766 | 341 | |
73abe331 | 342 | Close(); |
343 | ||
4e3d5771 | 344 | return receivedValues; |
73abe331 | 345 | } |
346 | ||
58bc3020 | 347 | //______________________________________________________________________ |
a038aa70 | 348 | TMap* AliDCSClient::GetValues(AliDCSMessage::RequestType reqType, |
349 | const TSeqCollection* list, UInt_t startTime, UInt_t endTime, | |
350 | Int_t startIndex, Int_t endIndex) | |
73abe331 | 351 | { |
a038aa70 | 352 | // get array of DCS values from the DCS server |
353 | // list, startTime, endTime: list of dp/alias names, start time and end time of the query | |
354 | // | |
355 | // Result: map containing the array of alias names. It will be filled with | |
356 | // the values retrieved for each alias | |
58bc3020 | 357 | |
b41b252a | 358 | TMap* result = new TMap; |
359 | result->SetOwner(1); | |
73abe331 | 360 | |
a038aa70 | 361 | if (endIndex < 0 || endIndex > list->GetEntries()) |
362 | endIndex = list->GetEntries(); | |
73abe331 | 363 | |
b41b252a | 364 | for (Int_t subsetBegin = startIndex; subsetBegin < endIndex; subsetBegin += fMultiSplit) |
a038aa70 | 365 | { |
4e3d5771 | 366 | Connect(); |
367 | ||
368 | if (!IsConnected()) | |
b41b252a | 369 | { |
4e3d5771 | 370 | AliError("Not connected!"); |
371 | delete result; | |
1790d4b7 | 372 | fResultErrorCode = fgkBadState; |
4e3d5771 | 373 | return 0; |
374 | } | |
b41b252a | 375 | |
376 | Int_t subsetEnd = subsetBegin + fMultiSplit; | |
377 | if (subsetEnd > endIndex) | |
378 | subsetEnd = endIndex; | |
379 | ||
380 | AliDCSMessage requestMessage; | |
381 | if (fMultiSplit == 1) | |
382 | { | |
4e3d5771 | 383 | // single dp request |
384 | ||
385 | TObjString* aRequest = (TObjString*) list->At(subsetBegin); | |
386 | requestMessage.CreateRequestMessage(reqType, startTime, endTime, aRequest->String()); | |
b41b252a | 387 | } |
388 | else | |
389 | { | |
4e3d5771 | 390 | // multi dp request |
391 | ||
392 | requestMessage.CreateMultiRequestMessage(reqType, | |
393 | startTime, endTime); | |
b41b252a | 394 | |
395 | for (Int_t i=subsetBegin; i<subsetEnd; i++) | |
396 | { | |
397 | TObjString* aRequest = (TObjString*) list->At(i); | |
398 | if (!requestMessage.AddRequestString(aRequest->String())) | |
1790d4b7 | 399 | { |
400 | delete result; | |
401 | fResultErrorCode = fgkBadMessage; | |
b41b252a | 402 | return 0; |
1790d4b7 | 403 | } |
4e3d5771 | 404 | } |
405 | } | |
406 | ||
407 | if ((fResultErrorCode = SendMessage(requestMessage)) < 0) | |
408 | { | |
409 | AliError(Form("Can't send request message! Reason: %s", | |
410 | GetErrorString(fResultErrorCode))); | |
411 | Close(); | |
412 | delete result; | |
413 | return 0; | |
b41b252a | 414 | } |
4e3d5771 | 415 | |
416 | while (1) | |
417 | { | |
418 | TObjArray* resultSet = new TObjArray(); | |
b41b252a | 419 | resultSet->SetOwner(1); |
73abe331 | 420 | |
4e3d5771 | 421 | Int_t ownerIndex = -1; |
422 | fResultErrorCode = ReceiveValueSet(resultSet, ownerIndex); | |
73abe331 | 423 | |
4e3d5771 | 424 | if (fResultErrorCode < 0) |
425 | { | |
426 | AliError("Can't get values"); | |
73abe331 | 427 | |
4e3d5771 | 428 | delete resultSet; |
429 | result->DeleteValues(); | |
430 | delete result; | |
431 | return 0; | |
432 | } | |
73abe331 | 433 | |
4e3d5771 | 434 | if (ownerIndex < 0) |
435 | { | |
436 | // no more values | |
437 | delete resultSet; | |
438 | break; | |
439 | } | |
73abe331 | 440 | |
4e3d5771 | 441 | TObjString* aRequest = (TObjString*) list->At(ownerIndex + subsetBegin); |
442 | //AliInfo(Form("Received %d values for entry %d, that is %s", resultSet->GetEntries(), | |
443 | // ownerIndex + subsetBegin, aRequest->String().Data())); | |
444 | ||
445 | TObjArray* target = dynamic_cast<TObjArray*> (result->GetValue(aRequest)); | |
446 | if (target) | |
447 | { | |
448 | target->AddAll(resultSet); | |
449 | //AliInfo(Form("Now we have %d entries", target->GetEntries())); | |
450 | resultSet->SetOwner(0); | |
451 | delete resultSet; | |
452 | } | |
453 | else | |
454 | result->Add(aRequest, resultSet); | |
455 | } | |
73abe331 | 456 | |
4e3d5771 | 457 | Close(); |
73abe331 | 458 | |
e1c93495 | 459 | Int_t nValues = 0; |
460 | TObjArray* example = (TObjArray*) result->GetValue(list->At(subsetBegin)); | |
461 | if (example) | |
462 | nValues = example->GetEntries(); | |
4e3d5771 | 463 | AliInfo(Form("Retrieved entries %d..%d (total %d..%d); E.g. %s has %d values collected", |
e1c93495 | 464 | subsetBegin, subsetEnd-1, startIndex, endIndex-1, list->At(subsetBegin)->GetName(), nValues)); |
73abe331 | 465 | } |
466 | ||
4e3d5771 | 467 | return result; |
468 | } | |
469 | ||
470 | //______________________________________________________________________ | |
471 | Int_t AliDCSClient::ReceiveValueSet(TObjArray* result, Int_t& ownerIndex) | |
472 | { | |
473 | // receive set of values | |
73abe331 | 474 | |
4e3d5771 | 475 | AliDCSMessage message; |
476 | Int_t sResult = ReceiveMessage(message); | |
477 | if (sResult < 0) | |
478 | { | |
479 | AliError(Form("Can't receive message! Reason: %s", GetErrorString(sResult))); | |
480 | return sResult; | |
481 | } | |
73abe331 | 482 | |
4e3d5771 | 483 | if (message.GetType() == AliDCSMessage::kResultSet) |
484 | { | |
485 | // this was the last message | |
486 | ownerIndex = message.GetOwnerIndex(); | |
487 | if (ownerIndex < 0) | |
488 | return 0; | |
73abe331 | 489 | |
4e3d5771 | 490 | sResult = message.GetValues(result); |
73abe331 | 491 | |
92c4ccff | 492 | // AliDCSMessage nextMessage; |
493 | // nextMessage.CreateNextMessage(); | |
494 | // | |
495 | // if ((fResultErrorCode = SendMessage(nextMessage)) < 0) | |
496 | // { | |
497 | // AliError(Form("Can't send next message! Reason: %s", | |
498 | // GetErrorString(fResultErrorCode))); | |
499 | // Close(); | |
500 | // return AliDCSClient::fgkCommError; | |
501 | // } | |
73abe331 | 502 | |
4e3d5771 | 503 | return sResult; |
504 | } | |
505 | else if (message.GetType() == AliDCSMessage::kError) | |
506 | { | |
507 | fServerErrorCode = message.GetErrorCode(); | |
508 | fServerError = message.GetErrorString(); | |
73abe331 | 509 | |
4e3d5771 | 510 | return AliDCSClient::fgkServerError; |
511 | } | |
73abe331 | 512 | |
4e3d5771 | 513 | AliError("Bad message type received!"); |
514 | return AliDCSClient::fgkBadMessage; | |
73abe331 | 515 | } |
4e3d5771 | 516 | |
58bc3020 | 517 | //______________________________________________________________________ |
73abe331 | 518 | Int_t AliDCSClient::GetDPValues(const char* dpName, UInt_t startTime, |
2bb7b766 | 519 | UInt_t endTime, TObjArray* result) |
73abe331 | 520 | { |
521 | // | |
522 | // Reads a values from the server which correspond to this | |
523 | // DataPoint (dpName) in time interval (startTime - endTime). | |
524 | // result: Collection of AliDCSValue which contains the read values. | |
525 | // | |
526 | // Returns: | |
527 | // If >= 0 , the number of values read. | |
528 | // if < 0, the error code which has occured during the read. | |
529 | // | |
530 | ||
531 | return GetValues(AliDCSMessage::kDPName, | |
532 | dpName, startTime, endTime, result); | |
533 | } | |
534 | ||
58bc3020 | 535 | //______________________________________________________________________ |
73abe331 | 536 | Int_t AliDCSClient::GetAliasValues(const char* alias, UInt_t startTime, |
2bb7b766 | 537 | UInt_t endTime, TObjArray* result) |
73abe331 | 538 | { |
539 | // | |
540 | // Reads a values from the server which correspond to this | |
541 | // alias (alias) in time interval (startTime - endTime). | |
542 | // result: Collection of AliDCSValue which contains the read values. | |
543 | // | |
544 | // Returns: | |
545 | // If >= 0 , the number of values read. | |
546 | // if < 0, the error code which has occured during the read. | |
547 | // | |
548 | ||
549 | return GetValues(AliDCSMessage::kAlias, | |
550 | alias, startTime, endTime, result); | |
551 | } | |
552 | ||
58bc3020 | 553 | //______________________________________________________________________ |
a038aa70 | 554 | TMap* AliDCSClient::GetDPValues(const TSeqCollection* dpList, UInt_t startTime, UInt_t endTime, |
555 | Int_t startIndex, Int_t endIndex) | |
73abe331 | 556 | { |
557 | // | |
a038aa70 | 558 | // For every entry (fron startIndex to endIndex) in dpList (which must be TObjString) |
73abe331 | 559 | // reads a valueSet. The key represents particular DataPoint to be read. |
560 | // For all DataPoints time interval (startTime - endTime) is used. | |
561 | // After the read, the correspoding value for every key is a | |
d477ad88 | 562 | // TObjArray - collection of AliDCSValue, or result is an empty map in |
73abe331 | 563 | // case of error. |
564 | // | |
565 | // Returns: | |
a038aa70 | 566 | // TMap of results, 0 in case of failure |
73abe331 | 567 | // |
568 | ||
a038aa70 | 569 | return GetValues(AliDCSMessage::kDPName, dpList, startTime, endTime, startIndex, endIndex); |
73abe331 | 570 | } |
571 | ||
58bc3020 | 572 | //______________________________________________________________________ |
a038aa70 | 573 | TMap* AliDCSClient::GetAliasValues(const TSeqCollection* aliasList, UInt_t startTime, UInt_t endTime, |
574 | Int_t startIndex, Int_t endIndex) | |
73abe331 | 575 | { |
576 | // | |
a038aa70 | 577 | // For every entry (fron startIndex to endIndex) in dpList (which must be TObjString) |
73abe331 | 578 | // reads a valueSet. The key represents particular Alias to be read. |
579 | // For all aliases time interval (startTime - endTime) is used. | |
580 | // After the read, the correspoding value for every key is a | |
d477ad88 | 581 | // TObjArray - collection of AliDCSValue, or result is an empty map in |
73abe331 | 582 | // case of error. |
583 | // | |
584 | // Returns: | |
a038aa70 | 585 | // TMap of results, 0 in case of failure |
73abe331 | 586 | // |
587 | ||
a038aa70 | 588 | return GetValues(AliDCSMessage::kAlias, aliasList, startTime, endTime, startIndex, endIndex); |
73abe331 | 589 | } |
590 | ||
58bc3020 | 591 | //______________________________________________________________________ |
592 | Bool_t AliDCSClient::IsConnected() | |
593 | { | |
73abe331 | 594 | // |
595 | // Returns kTRUE if there is a valid connection to the server. | |
596 | // | |
597 | ||
598 | if (fSocket) { | |
599 | return fSocket->IsValid(); | |
600 | } | |
601 | ||
602 | return kFALSE; | |
603 | } | |
604 | ||
58bc3020 | 605 | //______________________________________________________________________ |
606 | void AliDCSClient::Close() | |
607 | { | |
73abe331 | 608 | // |
609 | // Close the connection. | |
610 | // | |
611 | ||
612 | if (fSocket) { | |
613 | fSocket->Close(); | |
bee83158 | 614 | delete fSocket; |
615 | fSocket = 0; | |
73abe331 | 616 | } |
617 | } | |
618 | ||
58bc3020 | 619 | //______________________________________________________________________ |
620 | const char* AliDCSClient::GetErrorString(Int_t code) | |
621 | { | |
73abe331 | 622 | // |
623 | // Returns a short string describing the error code. | |
624 | // code: the error code. | |
625 | // | |
626 | ||
627 | ||
628 | switch (code) { | |
629 | case AliDCSClient::fgkBadState: | |
630 | return AliDCSClient::fgkBadStateString; | |
631 | ||
632 | case AliDCSClient::fgkInvalidParameter: | |
633 | return AliDCSClient::fgkInvalidParameterString; | |
634 | ||
635 | case AliDCSClient::fgkTimeout: | |
636 | return AliDCSClient::fgkTimeoutString; | |
637 | ||
638 | case AliDCSClient::fgkBadMessage: | |
639 | return AliDCSClient::fgkBadMessageString; | |
640 | ||
641 | case AliDCSClient::fgkCommError: | |
642 | return AliDCSClient::fgkCommErrorString; | |
643 | ||
644 | case AliDCSClient::fgkServerError: | |
645 | return AliDCSClient::fgkServerErrorString; | |
646 | ||
647 | default: | |
648 | AliErrorGeneral("AliDCSClient::GetErrorString", | |
649 | "Unknown error code!"); | |
650 | return "UnknownCode"; | |
651 | } | |
652 | } | |
653 |