annotate rvinterf/ctracedec/processlog.c @ 858:4c6e7ada647b

compressed trace decoder almost fully implemented
author Space Falcon <falcon@ivan.Harhan.ORG>
date Sat, 02 May 2015 08:08:26 +0000
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858
4c6e7ada647b compressed trace decoder almost fully implemented
Space Falcon <falcon@ivan.Harhan.ORG>
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1 /*
4c6e7ada647b compressed trace decoder almost fully implemented
Space Falcon <falcon@ivan.Harhan.ORG>
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2 * This module contains the code that processes rvtdump/rvinterf log files
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3 * at the high level and identifies which lines are compressed traces.
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4 */
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5
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6 #include <stdio.h>
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7 #include <ctype.h>
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8 #include <string.h>
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9 #include <strings.h>
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10 #include <stdlib.h>
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11
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Space Falcon <falcon@ivan.Harhan.ORG>
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12 is_logline_ctrace(line)
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13 char *line;
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14 {
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15 char *cp = line;
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16
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17 if (*cp++ != '[')
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18 return(0);
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19 if (!isdigit(*cp++))
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20 return(0);
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21 if (!isdigit(*cp++))
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22 return(0);
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Space Falcon <falcon@ivan.Harhan.ORG>
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23 if (*cp++ != ':')
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24 return(0);
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25 if (!isdigit(*cp++))
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26 return(0);
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27 if (!isdigit(*cp++))
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28 return(0);
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29 if (*cp++ != ':')
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30 return(0);
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31 if (!isdigit(*cp++))
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32 return(0);
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33 if (!isdigit(*cp++))
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34 return(0);
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Space Falcon <falcon@ivan.Harhan.ORG>
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35 if (strncmp(cp, "] GPF trace ", 12))
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36 return(0);
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Space Falcon <falcon@ivan.Harhan.ORG>
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37 cp += 12;
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Space Falcon <falcon@ivan.Harhan.ORG>
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38 while (isalpha(*cp)) {
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39 while (*cp && !isspace(*cp))
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40 cp++;
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41 if (isspace(*cp))
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42 cp++;
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43 else
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44 return(0);
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45 }
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46 if (isdigit(*cp))
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47 return(cp - line);
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48 else
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49 return(0);
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50 }
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51
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52 process_log_file(filename)
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53 char *filename;
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54 {
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55 FILE *f;
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Space Falcon <falcon@ivan.Harhan.ORG>
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56 char linebuf[512], *cp;
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57 int lineno, i;
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58
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59 f = fopen(filename, "r");
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60 if (!f) {
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61 perror(filename);
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62 exit(1);
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63 }
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64 for (lineno = 1; fgets(linebuf, sizeof linebuf, f); lineno++) {
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65 cp = index(linebuf, '\n');
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66 if (!cp) {
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67 fprintf(stderr,
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68 "error: %s line %d is too long or unterminated\n",
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69 filename, lineno);
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70 exit(1);
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71 }
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72 *cp = '\0';
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73 i = is_logline_ctrace(linebuf);
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74 if (i)
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75 process_ctrace_line(linebuf, i, filename, lineno);
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76 else
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77 puts(linebuf);
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78 }
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79 fclose(f);
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80 return(0);
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81 }