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5eb34a26 | 1 | #include "AliStorageClientThread.h" |
2 | #include "AliMultiplicity.h" | |
3 | #include "AliStorageTypes.h" | |
4 | #include "AliSocket.h" | |
5 | #include "AliStorageEventManager.h" | |
6 | ||
7 | //#include "zhelpers.hpp" | |
8 | #include "zmq.hpp" | |
9 | ||
10 | #include <sstream> | |
11 | #include <signal.h> | |
12 | #include <fstream> | |
13 | #include <iostream> | |
14 | ||
15 | #include <TSystemDirectory.h> | |
16 | #include <TThread.h> | |
17 | #include <TFile.h> | |
18 | ||
19 | using namespace std; | |
20 | using namespace zmq; | |
21 | ||
22 | bool gClientQuit = false; // signal flag | |
23 | void GotSignalClient(int){gClientQuit = true;} | |
24 | ||
25 | AliStorageClientThread::AliStorageClientThread() : | |
26 | fConnectionStatus(STATUS_WAITING), | |
27 | fReceivingStatus(STATUS_WAITING), | |
28 | fSavingStatus(STATUS_WAITING), | |
29 | fEventServer(""), | |
30 | fCommunicationThread(0), | |
31 | fCurrentFile(0), | |
32 | fDatabase(0), | |
33 | fCurrentStorageSize(0), | |
34 | fMaximumStorageSize(0), | |
35 | fStoragePath(""), | |
36 | fNumberOfEventsInFile(0), | |
37 | fStorageOccupationLevel(0), | |
38 | fRemoveEventsPercentage(0) | |
39 | { | |
40 | // make sure that when program is closed destructor will be called | |
41 | struct sigaction sa; | |
42 | memset(&sa,0,sizeof(sa)); | |
43 | sa.sa_handler = GotSignalClient; | |
44 | sigfillset(&sa.sa_mask); | |
45 | sigaction(SIGINT,&sa,NULL); | |
46 | ||
47 | //load storage parameters from file | |
48 | TThread::Lock(); | |
49 | ifstream configFile (Form("%s/STORAGE/setupStorageDatabase.sh", | |
50 | gSystem->Getenv("ALICE_ROOT"))); | |
51 | if (configFile.is_open()) | |
52 | { | |
53 | string line; | |
54 | int from,to; | |
55 | while(configFile.good()) | |
56 | { | |
57 | getline(configFile,line); | |
58 | from = line.find("\"")+1; | |
59 | to = line.find_last_of("\""); | |
60 | if(line.find("STORAGE_PATH=")==0) | |
61 | { | |
62 | fStoragePath=line.substr(from,to-from); | |
63 | } | |
64 | else if(line.find("MAX_SIZE=")==0) | |
65 | { | |
66 | fMaximumStorageSize=atoi(line.substr(from,to-from).c_str()); | |
67 | } | |
68 | else if(line.find("MAX_OCCUPATION=")==0) | |
69 | { | |
70 | fStorageOccupationLevel=atoi(line.substr(from,to-from).c_str()); | |
71 | } | |
72 | else if(line.find("REMOVE_PERCENT=")==0) | |
73 | { | |
74 | fRemoveEventsPercentage=atoi(line.substr(from,to-from).c_str()); | |
75 | } | |
76 | else if(line.find("EVENTS_IN_FILE=")==0) | |
77 | { | |
78 | fNumberOfEventsInFile=atoi(line.substr(from,to-from).c_str()); | |
79 | } | |
80 | else if(line.find("EVENT_SERVER=")==0) | |
81 | { | |
82 | fEventServer=line.substr(from,to-from); | |
83 | } | |
84 | } | |
85 | if(configFile.eof()) | |
86 | { | |
87 | configFile.clear(); | |
88 | } | |
89 | configFile.close(); | |
90 | } | |
91 | else | |
92 | { | |
93 | cout<<"CLIENT -- Unable to open config file"<<endl; | |
94 | } | |
95 | //create directory for storage if it doesn't exist | |
96 | gSystem->Exec(Form("mkdir -p %s",fStoragePath.c_str())); | |
97 | ||
98 | //create database class | |
99 | fDatabase = new AliStorageDatabase(); | |
100 | TThread::UnLock(); | |
101 | ||
102 | //check current storage size | |
103 | fCurrentStorageSize = GetSizeOfAllChunks(); | |
104 | ||
105 | //create two-way commynication thread | |
106 | fCommunicationThread = new TThread("fCommunicationThread", | |
107 | AliStorageClientThread::CommunicationHandler,(void*)this); | |
108 | fCommunicationThread->Run(); | |
109 | } | |
110 | ||
111 | AliStorageClientThread::~AliStorageClientThread() | |
112 | { | |
113 | cout<<"CLIENT -- AliStorageClientThread destructor called"; | |
114 | if(fCurrentFile) | |
115 | { | |
116 | fCurrentFile->Close(); | |
117 | delete fCurrentFile; | |
118 | } | |
119 | if(fCommunicationThread){delete fCommunicationThread;} | |
120 | cout<<" --- OK"<<endl; | |
121 | } | |
122 | ||
123 | void* AliStorageClientThread::CommunicationHandler(void *arg) | |
124 | { | |
125 | AliStorageClientThread *clientInstance = static_cast<AliStorageClientThread*>(arg); | |
126 | ||
127 | //create socket for two-way communication | |
128 | context_t *context = new context_t(); | |
129 | socket_t *socket = new socket_t(*context,ZMQ_REP); | |
130 | socket->bind(Form("tcp://*:%d",gClientCommunicationPort)); | |
131 | ||
132 | AliStorageEventManager *eventManager = new AliStorageEventManager(); | |
133 | ||
134 | message_t *requestMessage = new message_t(); | |
135 | struct clientRequestStruct *request = new struct clientRequestStruct; | |
136 | struct clientRequestStruct *response = new struct clientRequestStruct; | |
137 | ||
138 | cout<<"CLIENT -- Communication stated"<<endl; | |
139 | ||
140 | while(!gClientQuit) | |
141 | { | |
142 | socket->recv(requestMessage); | |
143 | request = static_cast<struct clientRequestStruct*>(requestMessage->data()); | |
144 | switch(request->messageType) | |
145 | { | |
146 | case REQUEST_CONNECTION: | |
147 | eventManager->Send((long)clientInstance->fConnectionStatus,socket); | |
148 | break; | |
149 | case REQUEST_RECEIVING: | |
150 | eventManager->Send((long)clientInstance->fReceivingStatus,socket); | |
151 | break; | |
152 | case REQUEST_SAVING: | |
153 | eventManager->Send((long)clientInstance->fSavingStatus,socket); | |
154 | break; | |
155 | case REQUEST_CURRENT_SIZE: | |
156 | eventManager->Send((long)clientInstance->fCurrentStorageSize,socket); | |
157 | break; | |
158 | case REQUEST_GET_PARAMS: | |
159 | response->maxStorageSize = clientInstance->fMaximumStorageSize; | |
160 | response->maxOccupation = clientInstance->fStorageOccupationLevel; | |
161 | response->removeEvents = clientInstance->fRemoveEventsPercentage; | |
162 | response->eventsInChunk = clientInstance->fNumberOfEventsInFile; | |
163 | ||
164 | eventManager->Send(response,socket); | |
165 | break; | |
166 | case REQUEST_SET_PARAMS: | |
167 | clientInstance->SetStorageParams(request->maxStorageSize, | |
168 | request->maxOccupation, | |
169 | request->removeEvents, | |
170 | request->eventsInChunk); | |
171 | ||
172 | clientInstance->fMaximumStorageSize = request->maxStorageSize; | |
173 | clientInstance->fStorageOccupationLevel = request->maxOccupation; | |
174 | clientInstance->fRemoveEventsPercentage = request->removeEvents; | |
175 | clientInstance->fNumberOfEventsInFile = request->eventsInChunk; | |
176 | ||
177 | eventManager->Send(true,socket); | |
178 | break; | |
179 | default:break; | |
180 | } | |
181 | } | |
182 | if(context){delete context;} | |
183 | if(socket){delete socket;} | |
184 | if(eventManager){delete eventManager;} | |
185 | return nullptr; | |
186 | } | |
187 | ||
188 | void AliStorageClientThread::SetStorageParams(int maxStorageSize,int maxOccupation,int removeEvents,int eventsInChunk) | |
189 | { | |
190 | cout<<maxStorageSize<<endl<<maxOccupation<<endl<<removeEvents<<endl<<eventsInChunk<<endl; | |
191 | ||
192 | ||
193 | TThread::Lock(); | |
194 | ifstream configFile (Form("%s/STORAGE/setupStorageDatabase.sh", | |
195 | gSystem->Getenv("ALICE_ROOT"))); | |
196 | ofstream tmpFile("tmpFile.bla"); | |
197 | ||
198 | if (configFile.is_open()) | |
199 | { | |
200 | string line; | |
201 | string tmpLine; | |
202 | int from,to; | |
203 | while(configFile.good()) | |
204 | { | |
205 | getline(configFile,line); | |
206 | from = line.find("\"")+1; | |
207 | to = line.find_last_of("\""); | |
208 | tmpLine = line; | |
209 | if(line.find("MAX_SIZE=")==0) | |
210 | { | |
211 | tmpLine = Form("MAX_SIZE=\"%d\"",maxStorageSize); | |
212 | } | |
213 | else if(line.find("MAX_OCCUPATION=")==0) | |
214 | { | |
215 | tmpLine = Form("MAX_OCCUPATION=\"%d\"",maxOccupation); | |
216 | } | |
217 | else if(line.find("REMOVE_PERCENT=")==0) | |
218 | { | |
219 | tmpLine = Form("REMOVE_PERCENT=\"%d\"",removeEvents); | |
220 | } | |
221 | else if(line.find("EVENTS_IN_FILE=")==0) | |
222 | { | |
223 | tmpLine = Form("EVENTS_IN_FILE=\"%d\"",eventsInChunk); | |
224 | } | |
225 | tmpLine += "\n"; | |
226 | tmpFile << tmpLine; | |
227 | } | |
228 | if(configFile.eof()) | |
229 | { | |
230 | configFile.clear(); | |
231 | } | |
232 | configFile.close(); | |
233 | tmpFile.close(); | |
234 | rename("tmpFile.bla",Form("%s/STORAGE/setupStorageDatabase.sh", | |
235 | gSystem->Getenv("ALICE_ROOT"))); | |
236 | } | |
237 | else | |
238 | { | |
239 | cout<<"CLIENT -- Unable to open config file"<<endl; | |
240 | } | |
241 | TThread::UnLock(); | |
242 | } | |
243 | ||
244 | Long64_t AliStorageClientThread::GetSizeOfAllChunks() | |
245 | { | |
246 | Long64_t totalStorageSize = 0; | |
247 | ||
248 | TSystemDirectory dir(fStoragePath.c_str(),fStoragePath.c_str()); | |
249 | TList *listOfDirectories = dir.GetListOfFiles(); | |
250 | ||
251 | if (!listOfDirectories) | |
252 | { | |
253 | cout<<"CLIENT -- Storage directory is empty"<<endl; | |
254 | return 0; | |
255 | } | |
256 | TIter nextDirectory(listOfDirectories); | |
257 | TSystemFile *runDirectory; | |
258 | string directoryName; | |
259 | ||
260 | while ((runDirectory=(TSystemFile*)nextDirectory())) | |
261 | { | |
262 | directoryName=runDirectory->GetName(); | |
263 | if (runDirectory->IsDirectory() && directoryName.find("run")==0) | |
264 | { | |
265 | TSystemDirectory dirChunks(Form("%s/%s",fStoragePath.c_str(),directoryName.c_str()),Form("%s/%s",fStoragePath.c_str(),directoryName.c_str())); | |
266 | TList *listOfChunks = dirChunks.GetListOfFiles(); | |
267 | ||
268 | if(listOfChunks) | |
269 | { | |
270 | TIter nextChunk(listOfChunks); | |
271 | TSystemFile *chunk; | |
272 | string chunkFileName; | |
273 | ||
274 | while((chunk=(TSystemFile*)nextChunk())) | |
275 | { | |
276 | chunkFileName = chunk->GetName(); | |
277 | if(!chunk->IsDirectory() && chunkFileName.find("chunk")==0) | |
278 | { | |
279 | TFile *tmpFile = new TFile(Form("%s/%s/%s",fStoragePath.c_str(),directoryName.c_str(),chunkFileName.c_str()),"read"); | |
280 | ||
281 | totalStorageSize+=tmpFile->GetSize(); | |
282 | tmpFile->Close(); | |
283 | if(tmpFile){delete tmpFile;} | |
284 | } | |
285 | } | |
286 | if(chunk){delete chunk;} | |
287 | } | |
288 | if(listOfChunks){delete listOfChunks;} | |
289 | } | |
290 | } | |
291 | ||
292 | //tmpFiles.clear(); | |
293 | if(listOfDirectories){delete listOfDirectories;} | |
294 | if(runDirectory){delete runDirectory;} | |
295 | ||
296 | printf("CLIENT -- Total storage size:%lld\t(%.2f MB)\n",totalStorageSize,(float)totalStorageSize/(1000.*1000.)); | |
297 | ||
298 | return totalStorageSize; | |
299 | } | |
300 | ||
301 | void AliStorageClientThread::CollectData() | |
302 | { | |
303 | //connect with events' sockets | |
304 | context_t *context = new context_t(1); | |
305 | socket_t *socket = new socket_t(*context,ZMQ_SUB); | |
306 | socket->setsockopt(ZMQ_SUBSCRIBE,"",0); | |
307 | socket->connect(Form("tcp://%s:%d",fEventServer.c_str(),gEventsSubscriberPort)); | |
308 | ||
309 | if(socket) | |
310 | { | |
311 | cout<<"CLIENT -- Successfully connected to events' server"<<endl; | |
312 | fConnectionStatus = STATUS_OK; | |
313 | } | |
314 | else | |
315 | { | |
316 | cout<<"CLIENT -- ERROR - could not connect to events' server"<<endl; | |
317 | fConnectionStatus = STATUS_ERROR; | |
318 | } | |
319 | ||
320 | AliStorageEventManager *eventManager = new AliStorageEventManager(); | |
321 | ||
322 | int chunkNumber=0; | |
323 | int previousChunkNumber=-1; | |
324 | int eventsInChunk=0; | |
325 | int previousRunNumber=-1; | |
326 | AliESDEvent *event = NULL; | |
327 | ||
328 | while(!gClientQuit) | |
329 | { | |
330 | event = eventManager->GetEvent(socket); | |
331 | ||
332 | if(event) | |
333 | { | |
334 | fReceivingStatus=STATUS_OK; | |
335 | ||
336 | if(event->GetRunNumber() != previousRunNumber)//when new run starts | |
337 | { | |
338 | cout<<"CLIENT -- new run started"<<endl; | |
339 | previousRunNumber = event->GetRunNumber(); | |
340 | gSystem->Exec(Form("mkdir -p %s/run%d",fStoragePath.c_str(),event->GetRunNumber())); | |
341 | chunkNumber=0; | |
342 | eventsInChunk=0; | |
343 | ||
344 | TSystemDirectory dir(Form("%s/run%d",fStoragePath.c_str(),event->GetRunNumber()), | |
345 | Form("%s/run%d",fStoragePath.c_str(),event->GetRunNumber())); | |
346 | TList *files = dir.GetListOfFiles(); | |
347 | if (files) | |
348 | { | |
349 | TSystemFile *file; | |
350 | string fname; | |
351 | TIter next(files); | |
352 | ||
353 | while ((file=(TSystemFile*)next())) | |
354 | { | |
355 | fname = file->GetName(); | |
356 | ||
357 | if (!file->IsDirectory()) | |
358 | { | |
359 | int from = fname.find("chunk")+5; | |
360 | int to = fname.find(".root"); | |
361 | ||
362 | int maxChunkNumber = atoi(fname.substr(from,to-from).c_str()); | |
363 | ||
364 | if(maxChunkNumber > chunkNumber) | |
365 | { | |
366 | chunkNumber = maxChunkNumber; | |
367 | } | |
368 | } | |
369 | } | |
370 | chunkNumber++; | |
371 | } | |
372 | } | |
373 | ||
374 | cout<<"CLIENT -- Received data. Event:"<<event->GetEventNumberInFile()<<"\trun:"<<event->GetRunNumber()<<endl; | |
375 | ||
376 | if(chunkNumber != previousChunkNumber)//when new chunk needs to be created | |
377 | { | |
378 | if(fCurrentFile) | |
379 | { | |
380 | fCurrentFile->Close(); | |
381 | delete fCurrentFile; | |
382 | fCurrentFile=0; | |
383 | } | |
384 | fCurrentStorageSize=GetSizeOfAllChunks(); | |
385 | CheckCurrentStorageSize(); | |
386 | ||
387 | fCurrentFile = new TFile(Form("%s/run%d/chunk%d.root", fStoragePath.c_str(),event->GetRunNumber(),chunkNumber),"recreate"); | |
388 | ||
389 | previousChunkNumber = chunkNumber; | |
390 | } | |
391 | ||
392 | if(0 != fCurrentFile->WriteObject(event,Form("event%d",event->GetEventNumberInFile())))//if event was written to file | |
393 | { | |
394 | fDatabase->InsertEvent(event->GetRunNumber(), | |
395 | event->GetEventNumberInFile(), | |
396 | (char*)event->GetBeamType(), | |
397 | event->GetMultiplicity()->GetNumberOfTracklets(),Form("%s/run%d/chunk%d.root",fStoragePath.c_str(),event->GetRunNumber(),chunkNumber)); | |
398 | ||
399 | eventsInChunk++; | |
400 | ||
401 | if(eventsInChunk == fNumberOfEventsInFile)//if max events number in file was reached | |
402 | { | |
403 | chunkNumber++; | |
404 | eventsInChunk=0; | |
405 | } | |
406 | ||
407 | if(fSavingStatus!=STATUS_OK) | |
408 | { | |
409 | fSavingStatus=STATUS_OK; | |
410 | } | |
411 | } | |
412 | else if(fSavingStatus!=STATUS_ERROR) | |
413 | { | |
414 | fSavingStatus=STATUS_ERROR; | |
415 | } | |
416 | delete event;event=0; | |
417 | } | |
418 | else if(fReceivingStatus!=STATUS_ERROR) | |
419 | { | |
420 | cout<<"CLIENT -- ERROR -- NO DATA!"<<endl; | |
421 | fReceivingStatus=STATUS_ERROR; | |
422 | } | |
423 | } | |
424 | if(event){delete event;} | |
425 | } | |
426 | ||
427 | ||
428 | void AliStorageClientThread::CheckCurrentStorageSize() | |
429 | { | |
430 | if(fCurrentStorageSize > (float)fStorageOccupationLevel/100. * fMaximumStorageSize) | |
431 | { | |
432 | while(GetSizeOfAllChunks() > (float)fRemoveEventsPercentage/100. * fMaximumStorageSize) | |
433 | { | |
434 | struct eventStruct oldestEvent = fDatabase->GetOldestEvent(); | |
435 | string oldestEventPath = fDatabase->GetFilePath(oldestEvent); | |
436 | //remove oldest event | |
437 | cout<<"CLIENT -- Removing old events:"<<oldestEventPath<<endl; | |
438 | gSystem->Exec(Form("rm -f %s",oldestEventPath.c_str())); | |
439 | fDatabase->RemoveEvent(fDatabase->GetOldestEvent()); | |
440 | } | |
441 | } | |
442 | } |