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