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a197a4ce | 1 | #ifndef ALIMDC_H |
2 | #define ALIMDC_H | |
3 | // @(#)alimdc:$Name$:$Id$ | |
4 | // Author: Fons Rademakers 26/11/99 | |
5 | ||
6 | /* Copyright(c) 1998-2003, ALICE Experiment at CERN, All rights reserved. * | |
7 | * See cxx source for full Copyright notice */ | |
8 | ||
9 | ////////////////////////////////////////////////////////////////////////// | |
10 | // // | |
11 | // AliMDC // | |
12 | // // | |
13 | ////////////////////////////////////////////////////////////////////////// | |
14 | ||
15 | #ifndef ROOT_TObject | |
16 | #include <TObject.h> | |
17 | #endif | |
18 | ||
19 | #ifndef ROOT_TSysEvtHandler | |
20 | #include <TSysEvtHandler.h> | |
21 | #endif | |
22 | ||
23 | // Forward class declarations | |
24 | class AliRawEventHeader; | |
25 | class AliRawEquipmentHeader; | |
26 | class AliRawData; | |
27 | ||
28 | ||
29 | class AliMDC : public TObject { | |
30 | ||
31 | public: | |
32 | enum EWriteMode { kLOCAL, kRFIO, kROOTD, kCASTOR, kDEVNULL }; | |
33 | ||
34 | AliMDC(Int_t fd, Int_t compress, Double_t maxFileSize, Bool_t useFilter, | |
35 | EWriteMode mode, Bool_t useLoop, Bool_t delFiles); | |
36 | ~AliMDC() { fgInstance = NULL; } | |
37 | ||
38 | static AliMDC* Instance() {return fgInstance;} | |
39 | ||
40 | Int_t Run(); | |
41 | void SetStopLoop() { fStopLoop = kTRUE; } | |
42 | Bool_t StopLoop() const { return fStopLoop; } | |
43 | ||
44 | void SetDebugLevel(Int_t level) { fDebugLevel = level; } | |
45 | Int_t GetDebugLevel() const { return fDebugLevel; } | |
46 | ||
47 | static Bool_t DeleteFiles() { return fgDeleteFiles; } | |
48 | ||
49 | enum {kMDC = 6}; // Which MDC is this... | |
50 | ||
51 | static const char* const Fifo() {return fgkFifo;} | |
52 | static const char* const RawDBFS(Int_t i) {return fgkRawDBFS[i];} | |
53 | static const char* const TagDBFS() {return fgkTagDBFS;} | |
54 | static const char* const RunDBFS() {return fgkRunDBFS;} | |
55 | static const char* const RFIOFS() {return fgkRFIOFS;} | |
56 | static const char* const CastorFS() {return fgkCastorFS;} | |
57 | static const char* const RootdFS() {return fgkRootdFS;} | |
58 | static const char* const AlienHost() {return fgkAlienHost;} | |
59 | static const char* const AlienDir() {return fgkAlienDir;} | |
60 | ||
61 | private: | |
62 | class AliMDCInterruptHandler : public TSignalHandler { | |
63 | public: | |
64 | AliMDCInterruptHandler(AliMDC *mdc) : TSignalHandler(kSigUser1, kFALSE), fMDC(mdc) { } | |
65 | Bool_t Notify() { | |
66 | Info("Notify", "received a SIGUSR1 signal"); | |
67 | fMDC->SetStopLoop(); | |
68 | return kTRUE; | |
69 | } | |
70 | private: | |
71 | AliMDC *fMDC; // alimdc to signal | |
72 | ||
73 | AliMDCInterruptHandler(const AliMDCInterruptHandler& handler); | |
74 | AliMDCInterruptHandler& operator=(const AliMDCInterruptHandler& handler); | |
75 | }; | |
76 | ||
77 | static AliMDC* fgInstance; // singleton instance | |
78 | ||
79 | Int_t fFd; // DATE input stream | |
80 | Int_t fCompress; // compression factor used for raw output DB | |
81 | Int_t fNumEvents; // number of events processed | |
82 | Int_t fDebugLevel; // controls debug print-out | |
83 | Double_t fMaxFileSize; // maximum size of raw output DB | |
84 | EWriteMode fWriteMode; // write mode (local, rfio, rootd, castor, /dev/null) | |
85 | Bool_t fUseFifo; // read from fifo, file otherwise | |
86 | Bool_t fUseEb; // use event builder API instead of fifo | |
87 | Bool_t fUseFilter; // use 3rd level trigger filter | |
88 | Bool_t fUseLoop; // loop on input source (must be file) | |
89 | Bool_t fStopLoop; // break from endless loop (triggered by SIGUSR1) | |
90 | ||
91 | static Bool_t fgDeleteFiles; // flag for deletion of files | |
92 | ||
93 | static const Double_t fgkMaxTagFileSize; // maximal size of tag DB | |
94 | ||
95 | // Fixed file system locations for the different DB's | |
96 | static const char* const fgkFifo; // fifo | |
97 | static const char* const fgkRawDBFS[2]; // raw DB | |
98 | static const char* const fgkTagDBFS; // tag DB | |
99 | static const char* const fgkRunDBFS; // run DB | |
100 | static const char* const fgkRFIOFS; // rfio | |
101 | static const char* const fgkCastorFS; // castor | |
102 | static const char* const fgkRootdFS; // rootd | |
103 | static const char* const fgkAlienHost; // alien host name | |
104 | static const char* const fgkAlienDir; // alien directory | |
105 | ||
106 | AliMDC(const AliMDC& mdc); | |
107 | AliMDC& operator = (const AliMDC& mdc); | |
108 | ||
109 | Int_t Read(const char *name) { return TObject::Read(name); } | |
110 | Int_t Read(void *buffer, Int_t length); | |
111 | Int_t ReadHeader(AliRawEventHeader &header, void *eb = 0); | |
112 | Int_t ReadEquipmentHeader(AliRawEquipmentHeader &header, | |
113 | Bool_t isSwapped, void *eb = 0); | |
114 | Int_t ReadRawData(AliRawData &raw, Int_t size, void *eb = 0); | |
115 | Int_t DumpEvent(Int_t toRead); | |
116 | Int_t Filter(AliRawData &raw); | |
117 | ||
118 | ClassDef(AliMDC,0) // MDC processor | |
119 | }; | |
120 | ||
121 | #endif |