Last change
on this file since 1018 was
599,
checked in by dkearney, 18 years ago
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created dynamic log file names to resolve the problem with different users accessing the same logfile.
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File size:
1.6 KB
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Line | |
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1 | #include "NvEventLog.h" |
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2 | #include "config.h" |
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3 | #include <stdio.h> |
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4 | #include <assert.h> |
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5 | #include <sys/time.h> |
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6 | #include <sys/types.h> |
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7 | #include <unistd.h> |
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8 | #include <fcntl.h> |
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9 | #include <stdlib.h> |
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10 | #include <string.h> |
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11 | |
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12 | |
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13 | |
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14 | #ifdef XINETD |
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15 | FILE* xinetd_log; |
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16 | #endif |
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17 | |
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18 | FILE* event_log; |
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19 | double cur_time; //in seconds |
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20 | |
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21 | #ifdef XINETD |
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22 | void NvInitService() |
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23 | { |
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24 | const char* user = getenv("USER"); |
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25 | char* logName = NULL; |
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26 | int logNameLen = 0; |
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27 | |
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28 | if (user == NULL) { |
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29 | logNameLen = 20+1; |
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30 | logName = (char*) calloc(logNameLen,sizeof(char)); |
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31 | strncpy(logName,"/tmp/nanovis_log.txt",logNameLen); |
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32 | } |
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33 | else { |
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34 | logNameLen = 17+1+strlen(user); |
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35 | logName = (char*) calloc(logNameLen,sizeof(char)); |
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36 | strncpy(logName,"/tmp/nanovis_log_",logNameLen); |
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37 | strncat(logName,user,strlen(user)); |
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38 | } |
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39 | |
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40 | //open log and map stderr to log file |
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41 | xinetd_log = fopen(logName, "w"); |
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42 | close(2); |
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43 | dup2(fileno(xinetd_log), 2); |
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44 | dup2(2,1); |
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45 | |
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46 | //flush junk |
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47 | fflush(stdout); |
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48 | fflush(stderr); |
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49 | |
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50 | // clean up malloc'd memory |
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51 | if (logName != NULL) { |
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52 | free(logName); |
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53 | } |
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54 | } |
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55 | |
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56 | void NvExitService() |
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57 | { |
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58 | //close log file |
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59 | fclose(xinetd_log); |
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60 | } |
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61 | #endif |
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62 | |
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63 | void NvInitEventLog() |
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64 | { |
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65 | event_log = fopen("event.txt", "w"); |
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66 | assert(event_log!=0); |
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67 | |
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68 | struct timeval time; |
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69 | gettimeofday(&time, NULL); |
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70 | cur_time = time.tv_sec*1000. + time.tv_usec/1000.; |
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71 | } |
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72 | |
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73 | void NvExitEventLog() |
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74 | { |
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75 | fclose(event_log); |
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76 | } |
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77 | |
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78 | double NvGetTimeInterval() |
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79 | { |
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80 | struct timeval time; |
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81 | gettimeofday(&time, NULL); |
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82 | double new_time = time.tv_sec*1000. + time.tv_usec/1000.; |
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83 | |
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84 | double interval = new_time - cur_time; |
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85 | cur_time = new_time; |
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86 | return interval; |
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87 | } |
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88 | |
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