| 1 | #include <stdio.h>
|
|---|
| 2 | #include <string.h>
|
|---|
| 3 | #include <stdlib.h>
|
|---|
| 4 | #include <math.h>
|
|---|
| 5 | #include "version.h"
|
|---|
| 6 | #include "diag.h"
|
|---|
| 7 | #include "init.h"
|
|---|
| 8 |
|
|---|
| 9 | /* extern declarations */
|
|---|
| 10 | FILE *filelist = NULL, /* filelist ptr */
|
|---|
| 11 | *rflname = NULL; /* reflector (out)file */
|
|---|
| 12 | char cername[LINE_MAX_LENGTH]; /* current cername */
|
|---|
| 13 | long first_Event = 0, /* first proc. event */
|
|---|
| 14 | last_Event = 1000000, /* last proc. event */
|
|---|
| 15 | max_Events = 50000; /* max proc. events */
|
|---|
| 16 | float low_Ecut = 0.0f, /* lower Ecut (GeV) */
|
|---|
| 17 | high_Ecut = 100000.0f; /* upper Ecut (GeV) */
|
|---|
| 18 |
|
|---|
| 19 | int is_Fixed_Target = FALSE; /* fixed target? */
|
|---|
| 20 | float fixed_Theta, /* zenith angle (rad) */
|
|---|
| 21 | fixed_Phi; /* azi (0N->90E) (rad) */
|
|---|
| 22 |
|
|---|
| 23 | int is_Random_Pointing=FALSE; /* random pointing? */
|
|---|
| 24 | float Random_Pointing_MaxDist; /* in metres */
|
|---|
| 25 | int nRepeat_Random = 1; /* nr of times a sh. is reused */
|
|---|
| 26 |
|
|---|
| 27 | long Seeds[2] = {3141592L, 2718182L};
|
|---|
| 28 |
|
|---|
| 29 | /* Other declarations */
|
|---|
| 30 | char whites[] = " \v\t\n\r"; /* White chars def */
|
|---|
| 31 | char line[LINE_MAX_LENGTH]; /* parsing buffer */
|
|---|
| 32 |
|
|---|
| 33 | /* Prototypes */
|
|---|
| 34 | static void CheckSignature(char *line);
|
|---|
| 35 | int ParseLine(FILE *parfile, /* FILE with parms */
|
|---|
| 36 | const char *token_list[], /* array w/tokens */
|
|---|
| 37 | int tokens, /* nr of tokens */
|
|---|
| 38 | char **value_ptr); /* ptr to parm val. */
|
|---|
| 39 |
|
|---|
| 40 | /* Checks signature.
|
|---|
| 41 | * It separates tokens and compare the first
|
|---|
| 42 | * token with PROGRAM and the second with VERSION.
|
|---|
| 43 | * Both values are stored in "version.h".
|
|---|
| 44 | * Return value is set to true if check fails. */
|
|---|
| 45 |
|
|---|
| 46 | static void CheckSignature(char *line)
|
|---|
| 47 | { char *cp; /* To parse signature */
|
|---|
| 48 |
|
|---|
| 49 | if ((cp=strtok(line, whites)) == NULL || strcmp(cp, QUOTE(PROGRAM)) ||
|
|---|
| 50 | (cp=strtok(NULL, whites)) == NULL || strcmp(cp, QUOTE(VERSION)))
|
|---|
| 51 | FatalError(SIGN_ERROR_FTL, QUOTE(PROGRAM), QUOTE(VERSION));
|
|---|
| 52 | } /* end of CheckSignature */
|
|---|
| 53 |
|
|---|
| 54 | int ParseLine(FILE *parfile, /* FILE with parms */
|
|---|
| 55 | const char *token_list[], /* array w/tokens */
|
|---|
| 56 | int tokens, /* nr of tokens */
|
|---|
| 57 | char **value_ptr) /* ptr to parm val. */
|
|---|
| 58 | { int item = tokens;
|
|---|
| 59 | char *cp;
|
|---|
| 60 |
|
|---|
| 61 | do
|
|---|
| 62 | { if (fgets(line, LINE_MAX_LENGTH, parfile) == NULL)
|
|---|
| 63 | break;
|
|---|
| 64 | else if (line[0] == '#'); /* skip comments (start with '#') */
|
|---|
| 65 | else if (line[0] == '>') /* show user comments (start with '>') */
|
|---|
| 66 | { if ((cp=strchr(line, '\n')) != NULL) *cp = 0;
|
|---|
| 67 | puts(line); }
|
|---|
| 68 | else if ((cp = strtok(line, whites)) != NULL)
|
|---|
| 69 | { /* check which param it is */
|
|---|
| 70 | for (item=0; item<tokens; item++)
|
|---|
| 71 | if (strcmp(cp, token_list[item])==0)
|
|---|
| 72 | break;
|
|---|
| 73 | if (item < tokens)
|
|---|
| 74 | *value_ptr = strtok(NULL, whites);
|
|---|
| 75 | else Message(SKIP_TOKEN_MSG, cp); }}
|
|---|
| 76 | while (item >= tokens);
|
|---|
| 77 |
|
|---|
| 78 | return item;
|
|---|
| 79 | } /* end of ParseLine */
|
|---|
| 80 |
|
|---|
| 81 | FILE *geofile = NULL; /* geometry file */
|
|---|
| 82 |
|
|---|
| 83 | void init(char *filename)
|
|---|
| 84 | { FILE *parfile = NULL; /* parms file */
|
|---|
| 85 | extern void ParmsSwitch(FILE *parfile); /* std parsing fn */
|
|---|
| 86 | extern void GeometrySwitch(FILE *geofile); /* geometry parsing fn */
|
|---|
| 87 |
|
|---|
| 88 | /* Open file or read from stdin */
|
|---|
| 89 | if (filename) parfile = fopen("filename", "r");
|
|---|
| 90 | if (parfile == NULL) parfile = stdin;
|
|---|
| 91 | fgets(line, LINE_MAX_LENGTH, parfile);
|
|---|
| 92 |
|
|---|
| 93 | /* Check signature */
|
|---|
| 94 | CheckSignature(line);
|
|---|
| 95 |
|
|---|
| 96 | ParmsSwitch(parfile);
|
|---|
| 97 | if (geofile) GeometrySwitch(geofile);
|
|---|
| 98 | else FatalError(GEOM_NSPEC_FTL);
|
|---|
| 99 |
|
|---|
| 100 | /* Alloc memory for CPhotons */
|
|---|
| 101 | if ((CPhotons =
|
|---|
| 102 | (cphoton *) malloc(NR_OF_CPHOTONS * sizeof(cphoton))) == NULL)
|
|---|
| 103 | FatalError(CPHS_ALLOC_FTL, NR_OF_CPHOTONS);
|
|---|
| 104 | else Log(CPHS_ALLOC_LOG, NR_OF_CPHOTONS);
|
|---|
| 105 |
|
|---|
| 106 | /* Write signature and START_OF_RUN at the beginning of rflfile */
|
|---|
| 107 | /* '\0' for backward compatibility */
|
|---|
| 108 | fseek(rflfile, 0L, SEEK_SET);
|
|---|
| 109 | fprintf(rflfile, "%s %s", QUOTE(PROGRAM), QUOTE(VERSION));
|
|---|
| 110 | fputc(0, rflfile);
|
|---|
| 111 | fwrite(FLAG_START_OF_RUN, SIZE_OF_FLAGS, 1, rflfile);
|
|---|
| 112 |
|
|---|
| 113 | /* "Splashscreen" */
|
|---|
| 114 | Message(RFL__START_MSG, QUOTE(PROGRAM), QUOTE(VERSION));
|
|---|
| 115 | } /* end of init */
|
|---|
