]>
Commit | Line | Data |
---|---|---|
5b7dab70 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
16 | /* $Id$ */ | |
17 | ||
18 | /////////////////////////////////////////////////////////////////////////////// | |
19 | // // | |
20 | // this program prints the mini headers in a raw data file // | |
21 | // // | |
22 | // type "printMiniHeader -?" to get a description of the arguments // | |
23 | // // | |
24 | /////////////////////////////////////////////////////////////////////////////// | |
25 | ||
26 | #include <stdlib.h> | |
27 | #include <string.h> | |
28 | #include <TError.h> | |
29 | #include <TSystem.h> | |
30 | #include "AliMiniHeader.h" | |
31 | ||
32 | ||
33 | //_____________________________________________________________________________ | |
34 | int main(int argc, char** argv) | |
35 | { | |
36 | if ((argc < 2) || (argc > 2) || (strcmp(argv[1], "-?") == 0) || | |
37 | (strcmp(argv[1], "-h") == 0) || (strcmp(argv[1], "--help") == 0)) { | |
38 | printf("\nUsage: printMiniHeader fileName\n\n"); | |
39 | printf(" fileName : name of the raw data file\n\n"); | |
40 | return 0; | |
41 | } | |
42 | ||
43 | // open the raw data file | |
44 | FILE* file = fopen(argv[1], "rb"); | |
45 | if (!file) { | |
46 | ::Fatal("readMiniHeader", "could not open file %s", argv[1]); | |
47 | } | |
48 | fseek(file, 0, SEEK_END); | |
49 | Int_t size = ftell(file); | |
50 | fseek(file, 0, SEEK_SET); | |
51 | ||
52 | // read the mini headers | |
53 | AliMiniHeader header; | |
54 | while (!feof(file)) { | |
55 | if (!fread(&header, sizeof(header), 1, file)) { | |
56 | if (!feof(file)) { | |
57 | ::Error("readMiniHeader", "could not read mini header at position %d", | |
58 | ftell(file)); | |
59 | } | |
60 | break; | |
61 | } | |
62 | ||
63 | // check the magic word | |
64 | if ((header.fMagicWord[2] != 0x12) || | |
65 | (header.fMagicWord[1] != 0x34) || | |
66 | (header.fMagicWord[0] != 0x56)) { | |
67 | ::Error("readMiniHeader", "the magic word is wrong %2x%2x%2x", | |
68 | header.fMagicWord[2], header.fMagicWord[1], | |
69 | header.fMagicWord[0]); | |
70 | break; | |
71 | } | |
72 | ||
73 | // check the size | |
74 | Int_t bytesLeft = size-ftell(file); | |
75 | if ((Int_t)header.fSize > bytesLeft) { | |
76 | ::Error("readMiniHeader", | |
77 | "the raw data size exceeds the file size by %d bytes", | |
78 | header.fSize - bytesLeft); | |
79 | } | |
80 | ||
81 | // print the header information | |
82 | printf("size : %d\n", header.fSize); | |
83 | printf("detector ID : %d\n", header.fDetectorID); | |
84 | printf("DDL ID : %d\n", header.fDDLID); | |
85 | printf("compressed : %d\n", header.fCompressionFlag); | |
86 | printf("version : %d\n", header.fVersion); | |
87 | printf("\n"); | |
88 | ||
89 | // go to next mini header | |
90 | if ((Int_t)header.fSize > bytesLeft) break; | |
91 | fseek(file, header.fSize, SEEK_CUR); | |
92 | } | |
93 | ||
94 | fclose(file); | |
95 | ||
96 | return 0; | |
97 | } |