added possibility to stop buffer monitor
[u/mrichter/AliRoot.git] / EVE / EveHLT / AliEveEventBufferHomer.cxx
1 #if __GNUC__>= 3
2    using namespace std;
3 #endif
4
5 #include "AliEveEventBufferHomer.h"
6 #include "AliEveHOMERManager.h"
7
8 #include "TList.h"
9 #include "TFile.h"
10
11 #include <iostream>
12
13 ClassImp(AliEveEventBufferHomer);
14
15 ///_______________________________________________________________________
16 AliEveEventBufferHomer::AliEveEventBufferHomer() :
17   fHomer(NULL),
18   fEventNo(0),
19   fAsyncList(NULL)
20 {
21   // see header file for class documentation
22   fHomer = new AliEveHOMERManager();
23   Initialize();
24
25 }
26
27
28 ///____________________________________________________________________
29 AliEveEventBufferHomer::~AliEveEventBufferHomer() {
30   
31   if(fHomer)
32     delete fHomer;
33   fHomer = NULL;
34
35 }
36
37
38
39 ULong64_t AliEveEventBufferHomer::GetEventIdFromSource() {
40   ///
41   return fHomer->GetEventID();
42 }
43
44 ///______________________________________________________________________
45 TObject * AliEveEventBufferHomer::GetEventFromSource() {
46   //see header file for documentation
47   if(fHomer) {
48     cout << "calling nexthomerevent"<<endl;
49     TList * blockList = fHomer->NextHOMEREvent();
50     
51     if(blockList)  return dynamic_cast<TObject*>(blockList);
52     else return NULL;
53   } 
54
55   cout << "AliEveEventBufferHomer::GetEventFromSource() : fHomer is null pointer!!"<<endl;
56   return NULL;
57 }
58
59 ///___________________________________________________________________________
60 void AliEveEventBufferHomer::AddToBuffer(TObject * event) {
61   cout << "Add to buffer"<<endl;
62   if(!event) return;
63   fBIndex[kTop] = CalculateNext(fBIndex[kTop]);
64   TList * list = dynamic_cast<TList*>(fEventBuffer->At(fBIndex[kTop]));
65   if(list) {
66     list->Clear();
67     list->AddAll(dynamic_cast<TList*>(event));
68   }
69 }
70
71
72
73 ///______________________________________________________________________
74 void AliEveEventBufferHomer::Initialize() {
75   //Add TList pointers to the buffer array
76
77   //Create TLists in all of buffer
78   for(Int_t i = 0; i < fBufferSize; i++) {
79     TList * list = new TList();
80     list->SetOwner(kTRUE);
81     fEventBuffer->AddAt(list, i);
82   }
83
84   //Create the async list
85   fAsyncList = new TList();
86   fAsyncList->SetOwner(kTRUE);
87
88   Int_t iResult = fHomer->Initialize();
89   if(iResult) {
90     cout << "Error Initializing HOMER!!!"<<endl;
91     return;
92   }
93
94
95   fHomer->SetRetryCount(1,15);
96   fHomer->SetBlockOwner(kFALSE);
97   fHomer->StartEveSourceListLoop();
98 }
99
100
101 ///______________________________________________________________________
102 void AliEveEventBufferHomer::ConnectToSource () {
103
104   fHomer->SetRetryCount(200, 15);
105   fHomer->ReConnectHOMER();
106 }
107
108 ///_____________________________________________________________________
109 void AliEveEventBufferHomer::WriteToFile(){
110
111   TFile * file = TFile::Open(Form("Event_0x%016X_ITS.root", 100), "RECREATE"); 
112   fEventBuffer->At(fBIndex[kTop])->Write("blockList", TObject::kSingleKey);
113   file->Close();
114   
115   if(fAsyncList) {
116     TFile * afile = TFile::Open(Form("Event_0x%016X_Async.root", 100), "RECREATE"); 
117     fAsyncList->Write("blockList", TObject::kSingleKey);
118     afile->Close();
119   }
120 }