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