Belle II Software development
EventBuffer.h
1/**************************************************************************
2 * basf2 (Belle II Analysis Software Framework) *
3 * Author: The Belle II Collaboration *
4 * *
5 * See git log for contributors and copyright holders. *
6 * This file is licensed under LGPL-3.0, see LICENSE.md. *
7 **************************************************************************/
8#ifndef Belle2_EventBuffer_h
9#define Belle2_EventBuffer_h
10
11namespace Belle2 {
17 class EventBuffer {
18
19 public:
20 struct Header {
21 unsigned int expno;
22 unsigned int runno;
23 unsigned int subno;
24 unsigned int count_in;
25 unsigned int count_out;
26 unsigned long long nword_in;
27 unsigned long long nword_out;
28 unsigned short nwriter;
29 unsigned short nreader;
30 };
31
32 public:
33 EventBuffer()
34 {
35 m_buf = 0;
36 m_nword = 0;
37 }
38 EventBuffer(unsigned int nword);
39 ~EventBuffer();
40
41 public:
42 unsigned int size() throw();
43 bool init();
44 void clear();
45
46 public:
47 Header& getHeader() throw() { return m_header; }
48 int* getBuffer() throw() { return m_buf; }
49 bool isWritable(int nword) throw();
50 bool isReadable() throw();
51 unsigned int write(const int* buf, unsigned int nword,
52 unsigned int serial = 0);
53 unsigned int read(int* buf, Header* hdr = 0);
54
55 private:
56 Header m_header;
57 int* m_buf;
58 unsigned int m_nword;
59
60 };
61
63}
64
65#endif
Belle2
Abstract base class for different kinds of events.
Definition: MillepedeAlgorithm.h:17