1 | /* |
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2 | * Copyright (c) 1983 Regents of the University of California. |
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3 | * All rights reserved. The Berkeley software License Agreement |
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4 | * specifies the terms and conditions for redistribution. |
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5 | */ |
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6 | |
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7 | #ifndef lint |
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8 | char copyright[] = |
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9 | "@(#) Copyright (c) 1983 Regents of the University of California.\n\ |
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10 | All rights reserved.\n"; |
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11 | #endif not lint |
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12 | |
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13 | #ifndef lint |
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14 | static char sccsid[] = "@(#)pac.c 5.2 (Berkeley) 10/30/85"; |
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15 | #endif not lint |
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16 | |
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17 | /* |
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18 | * Do Printer accounting summary. |
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19 | * Currently, usage is |
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20 | * pac [-Pprinter] [-pprice] [-s] [-r] [-c] [-m] [user ...] |
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21 | * to print the usage information for the named people. |
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22 | */ |
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23 | |
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24 | /* Currently "pac" runs only off information in /etc/printcap. |
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25 | * If you want it to query Hesiod, #define HESIOD-PAC here. |
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26 | */ |
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27 | |
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28 | #include <stdio.h> |
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29 | #include <strings.h> |
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30 | #include "lp.local.h" |
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31 | |
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32 | char *printer; /* printer name */ |
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33 | char *acctfile; /* accounting file (input data) */ |
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34 | char *sumfile; /* summary file */ |
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35 | float price = 0.02; /* cost per page (or what ever) */ |
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36 | int allflag = 1; /* Get stats on everybody */ |
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37 | int sort; /* Sort by cost */ |
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38 | int summarize; /* Compress accounting file */ |
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39 | int reverse; /* Reverse sort order */ |
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40 | int hcount; /* Count of hash entries */ |
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41 | int errs; |
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42 | int mflag = 0; /* disregard machine names */ |
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43 | int pflag = 0; /* 1 if -p on cmd line */ |
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44 | int price100; /* per-page cost in 100th of a cent */ |
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45 | int pgetnum(); |
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46 | #ifdef HESIOD_PAC |
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47 | char alibuf[BUFSIZ/2]; /* buffer for printer alias */ |
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48 | #endif /* HESIOD-PAC */ |
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49 | |
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50 | /* |
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51 | * Grossness follows: |
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52 | * Names to be accumulated are hashed into the following |
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53 | * table. |
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54 | */ |
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55 | |
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56 | #define HSHSIZE 97 /* Number of hash buckets */ |
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57 | |
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58 | struct hent { |
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59 | struct hent *h_link; /* Forward hash link */ |
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60 | char *h_name; /* Name of this user */ |
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61 | float h_feetpages; /* Feet or pages of paper */ |
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62 | int h_count; /* Number of runs */ |
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63 | }; |
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64 | |
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65 | struct hent *hashtab[HSHSIZE]; /* Hash table proper */ |
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66 | struct hent *enter(); |
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67 | struct hent *lookup(); |
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68 | |
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69 | #define NIL ((struct hent *) 0) /* The big zero */ |
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70 | |
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71 | double atof(); |
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72 | char *getenv(); |
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73 | char *pgetstr(); |
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74 | |
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75 | main(argc, argv) |
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76 | char **argv; |
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77 | { |
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78 | register FILE *acct; |
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79 | register char *cp; |
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80 | |
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81 | while (--argc) { |
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82 | cp = *++argv; |
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83 | if (*cp++ == '-') { |
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84 | switch(*cp++) { |
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85 | case 'P': |
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86 | /* |
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87 | * Printer name. |
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88 | */ |
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89 | printer = cp; |
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90 | continue; |
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91 | |
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92 | case 'p': |
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93 | /* |
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94 | * get the price. |
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95 | */ |
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96 | price = atof(cp); |
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97 | pflag = 1; |
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98 | continue; |
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99 | |
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100 | case 's': |
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101 | /* |
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102 | * Summarize and compress accounting file. |
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103 | */ |
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104 | summarize++; |
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105 | continue; |
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106 | |
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107 | case 'c': |
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108 | /* |
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109 | * Sort by cost. |
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110 | */ |
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111 | sort++; |
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112 | continue; |
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113 | |
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114 | case 'm': |
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115 | /* |
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116 | * disregard machine names for each user |
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117 | */ |
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118 | mflag = 1; |
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119 | continue; |
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120 | |
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121 | case 'r': |
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122 | /* |
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123 | * Reverse sorting order. |
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124 | */ |
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125 | reverse++; |
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126 | continue; |
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127 | |
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128 | default: |
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129 | fprintf(stderr, |
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130 | "usage: pac [-Pprinter] [-pprice] [-s] [-c] [-r] [-m] [user ...]\n"); |
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131 | exit(1); |
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132 | } |
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133 | } |
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134 | (void) enter(--cp); |
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135 | allflag = 0; |
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136 | } |
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137 | if (printer == NULL) { |
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138 | if ((printer = getenv("PRINTER")) == NULL) printer = DEFLP; |
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139 | } |
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140 | if (!chkprinter()) { |
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141 | printf("pac: unknown printer %s\n", printer); |
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142 | exit(2); |
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143 | } |
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144 | |
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145 | if ((acct = fopen(acctfile, "r")) == NULL) { |
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146 | perror(acctfile); |
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147 | exit(1); |
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148 | } |
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149 | account(acct); |
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150 | fclose(acct); |
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151 | if ((acct = fopen(sumfile, "r")) != NULL) { |
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152 | account(acct); |
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153 | fclose(acct); |
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154 | } |
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155 | if (summarize) |
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156 | rewrite(); |
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157 | else |
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158 | dumpit(); |
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159 | exit(errs); |
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160 | } |
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161 | |
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162 | /* |
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163 | * Read the entire accounting file, accumulating statistics |
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164 | * for the users that we have in the hash table. If allflag |
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165 | * is set, then just gather the facts on everyone. |
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166 | * Note that we must accomodate both the active and summary file |
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167 | * formats here. |
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168 | * Host names are ignored if the -m flag is present. |
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169 | */ |
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170 | |
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171 | account(acct) |
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172 | register FILE *acct; |
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173 | { |
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174 | char linebuf[BUFSIZ]; |
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175 | double t; |
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176 | register char *cp, *cp2; |
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177 | register struct hent *hp; |
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178 | register int ic; |
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179 | |
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180 | while (fgets(linebuf, BUFSIZ, acct) != NULL) { |
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181 | cp = linebuf; |
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182 | while (any(*cp, " t\t")) |
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183 | cp++; |
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184 | t = atof(cp); |
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185 | while (any(*cp, ".0123456789")) |
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186 | cp++; |
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187 | while (any(*cp, " \t")) |
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188 | cp++; |
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189 | for (cp2 = cp; !any(*cp2, " \t\n"); cp2++) |
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190 | ; |
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191 | ic = atoi(cp2); |
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192 | *cp2 = '\0'; |
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193 | if (mflag && index(cp, ':')) |
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194 | cp = index(cp, ':') + 1; |
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195 | hp = lookup(cp); |
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196 | if (hp == NIL) { |
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197 | if (!allflag) |
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198 | continue; |
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199 | hp = enter(cp); |
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200 | } |
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201 | hp->h_feetpages += t; |
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202 | if (ic) |
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203 | hp->h_count += ic; |
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204 | else |
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205 | hp->h_count++; |
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206 | } |
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207 | } |
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208 | |
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209 | /* |
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210 | * Sort the hashed entries by name or footage |
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211 | * and print it all out. |
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212 | */ |
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213 | |
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214 | dumpit() |
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215 | { |
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216 | struct hent **base; |
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217 | register struct hent *hp, **ap; |
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218 | register int hno, c, runs; |
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219 | float feet; |
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220 | int qucmp(); |
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221 | |
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222 | hp = hashtab[0]; |
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223 | hno = 1; |
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224 | base = (struct hent **) calloc(sizeof hp, hcount); |
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225 | for (ap = base, c = hcount; c--; ap++) { |
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226 | while (hp == NIL) |
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227 | hp = hashtab[hno++]; |
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228 | *ap = hp; |
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229 | hp = hp->h_link; |
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230 | } |
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231 | qsort(base, hcount, sizeof hp, qucmp); |
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232 | printf(" Login pages/feet runs price\n"); |
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233 | feet = 0.0; |
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234 | runs = 0; |
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235 | for (ap = base, c = hcount; c--; ap++) { |
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236 | hp = *ap; |
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237 | runs += hp->h_count; |
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238 | feet += hp->h_feetpages; |
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239 | printf("%-24s %7.2f %4d $%6.2f\n", hp->h_name, |
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240 | hp->h_feetpages, hp->h_count, hp->h_feetpages * price); |
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241 | } |
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242 | if (allflag) { |
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243 | printf("\n"); |
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244 | printf("%-24s %7.2f %4d $%6.2f\n", "total", feet, |
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245 | runs, feet * price); |
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246 | } |
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247 | } |
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248 | |
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249 | /* |
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250 | * Rewrite the summary file with the summary information we have accumulated. |
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251 | */ |
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252 | |
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253 | rewrite() |
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254 | { |
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255 | register struct hent *hp; |
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256 | register int i; |
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257 | register FILE *acctf; |
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258 | |
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259 | if ((acctf = fopen(sumfile, "w")) == NULL) { |
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260 | perror(sumfile); |
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261 | errs++; |
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262 | return; |
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263 | } |
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264 | for (i = 0; i < HSHSIZE; i++) { |
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265 | hp = hashtab[i]; |
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266 | while (hp != NULL) { |
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267 | fprintf(acctf, "%7.2f\t%s\t%d\n", hp->h_feetpages, |
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268 | hp->h_name, hp->h_count); |
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269 | hp = hp->h_link; |
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270 | } |
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271 | } |
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272 | fflush(acctf); |
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273 | if (ferror(acctf)) { |
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274 | perror(sumfile); |
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275 | errs++; |
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276 | } |
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277 | fclose(acctf); |
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278 | if ((acctf = fopen(acctfile, "w")) == NULL) |
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279 | perror(acctfile); |
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280 | else |
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281 | fclose(acctf); |
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282 | } |
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283 | |
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284 | /* |
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285 | * Hashing routines. |
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286 | */ |
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287 | |
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288 | /* |
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289 | * Enter the name into the hash table and return the pointer allocated. |
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290 | */ |
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291 | |
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292 | struct hent * |
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293 | enter(name) |
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294 | char name[]; |
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295 | { |
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296 | register struct hent *hp; |
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297 | register int h; |
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298 | |
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299 | if ((hp = lookup(name)) != NIL) |
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300 | return(hp); |
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301 | h = hash(name); |
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302 | hcount++; |
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303 | hp = (struct hent *) calloc(sizeof *hp, 1); |
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304 | hp->h_name = (char *) calloc(sizeof(char), strlen(name)+1); |
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305 | strcpy(hp->h_name, name); |
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306 | hp->h_feetpages = 0.0; |
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307 | hp->h_count = 0; |
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308 | hp->h_link = hashtab[h]; |
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309 | hashtab[h] = hp; |
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310 | return(hp); |
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311 | } |
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312 | |
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313 | /* |
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314 | * Lookup a name in the hash table and return a pointer |
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315 | * to it. |
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316 | */ |
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317 | |
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318 | struct hent * |
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319 | lookup(name) |
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320 | char name[]; |
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321 | { |
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322 | register int h; |
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323 | register struct hent *hp; |
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324 | |
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325 | h = hash(name); |
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326 | for (hp = hashtab[h]; hp != NIL; hp = hp->h_link) |
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327 | if (strcmp(hp->h_name, name) == 0) |
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328 | return(hp); |
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329 | return(NIL); |
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330 | } |
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331 | |
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332 | /* |
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333 | * Hash the passed name and return the index in |
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334 | * the hash table to begin the search. |
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335 | */ |
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336 | |
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337 | hash(name) |
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338 | char name[]; |
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339 | { |
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340 | register int h; |
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341 | register char *cp; |
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342 | |
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343 | for (cp = name, h = 0; *cp; h = (h << 2) + *cp++) |
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344 | ; |
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345 | return((h & 0x7fffffff) % HSHSIZE); |
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346 | } |
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347 | |
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348 | /* |
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349 | * Other stuff |
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350 | */ |
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351 | |
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352 | any(ch, str) |
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353 | char str[]; |
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354 | { |
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355 | register int c = ch; |
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356 | register char *cp = str; |
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357 | |
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358 | while (*cp) |
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359 | if (*cp++ == c) |
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360 | return(1); |
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361 | return(0); |
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362 | } |
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363 | |
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364 | /* |
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365 | * The qsort comparison routine. |
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366 | * The comparison is ascii collating order |
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367 | * or by feet of typesetter film, according to sort. |
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368 | */ |
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369 | |
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370 | qucmp(left, right) |
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371 | struct hent **left, **right; |
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372 | { |
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373 | register struct hent *h1, *h2; |
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374 | register int r; |
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375 | |
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376 | h1 = *left; |
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377 | h2 = *right; |
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378 | if (sort) |
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379 | r = h1->h_feetpages < h2->h_feetpages ? -1 : h1->h_feetpages > |
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380 | h2->h_feetpages; |
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381 | else |
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382 | r = strcmp(h1->h_name, h2->h_name); |
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383 | return(reverse ? -r : r); |
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384 | } |
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385 | |
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386 | /* |
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387 | * Perform lookup for printer name or abbreviation -- |
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388 | */ |
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389 | chkprinter() |
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390 | { |
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391 | static char buf[BUFSIZ/2]; |
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392 | char b[BUFSIZ]; |
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393 | int stat; |
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394 | char *bp = buf; |
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395 | |
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396 | #ifdef HESIOD_PAC |
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397 | if ((stat = pgetent(b, printer)) <= 0) { |
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398 | if (pralias(alibuf, printer)) |
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399 | printer = alibuf; |
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400 | if ((stat = hpgetent(b, printer)) < 1) |
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401 | return(0); |
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402 | } |
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403 | #else |
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404 | if ((stat = pgetent(b, printer)) < 0) { |
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405 | printf("pac: can't open printer description file\n"); |
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406 | exit(3); |
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407 | } else if (stat == 0) |
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408 | return(0); |
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409 | #endif /* HESIOD_PAC */ |
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410 | if ((acctfile = pgetstr("af", &bp)) == NULL) { |
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411 | printf("accounting not enabled for printer %s\n", printer); |
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412 | exit(2); |
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413 | } |
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414 | if (!pflag && (price100 = pgetnum("pc")) > 0) |
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415 | price = price100/10000.0; |
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416 | sumfile = (char *) calloc(sizeof(char), strlen(acctfile)+5); |
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417 | if (sumfile == NULL) { |
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418 | perror("pac"); |
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419 | exit(1); |
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420 | } |
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421 | strcpy(sumfile, acctfile); |
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422 | strcat(sumfile, "_sum"); |
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423 | return(1); |
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424 | } |
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