annotate smpp-trx-sa/log.c @ 222:9d6e8d99d2b1

smpp-trx-sa: new program
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 03 Aug 2023 21:13:41 -0800
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children a375639e4190
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1 /*
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2 * This module implements smpp-trx-sa log file output.
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3 */
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4
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5 #include <sys/types.h>
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6 #include <stdio.h>
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7 #include <stdlib.h>
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8 #include <string.h>
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9 #include <strings.h>
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10 #include <time.h>
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11
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12 extern FILE *logF;
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13 extern time_t curtime;
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14 extern int init_done;
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15
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16 static char fmt_time[32];
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17
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18 static void
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19 format_time()
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20 {
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21 struct tm *tm;
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22
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23 tm = gmtime(&curtime);
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24 sprintf(fmt_time, "%d-%02d-%02dT%02d:%02d:%02dZ",
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25 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday,
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26 tm->tm_hour, tm->tm_min, tm->tm_sec);
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27 }
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28
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29 void
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30 log_fatal_error(cause)
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31 char *cause;
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32 {
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33 if (!init_done)
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34 return;
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35 format_time();
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36 fprintf(logF, "\n%s %s\n", fmt_time, cause);
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37 }
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38
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39 static void
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40 pdu_hexdump(pdu, pdulen)
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41 u_char *pdu;
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42 unsigned pdulen;
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43 {
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44 unsigned off, chunk;
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45 int i, c;
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46
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47 for (off = 0; off < pdulen; off += chunk) {
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48 fprintf(logF, "%04X: ", off);
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49 chunk = pdulen - off;
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50 if (chunk > 16)
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51 chunk = 16;
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52 for (i = 0; i < 16; i++) {
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53 if (i < chunk)
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54 fprintf(logF, "%02X ", pdu[off + i]);
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55 else
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56 fputs(" ", logF);
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57 if (i == 7 || i == 15)
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58 putc(' ', logF);
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59 }
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60 for (i = 0; i < chunk; i++) {
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61 c = pdu[off + i];
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62 if (c < ' ' || c > '~')
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63 c = '.';
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64 putc(c, logF);
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65 }
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66 putc('\n', logF);
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67 }
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68 }
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69
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70 void
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71 log_rx_pdu(pdu, pdulen)
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72 u_char *pdu;
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73 unsigned pdulen;
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74 {
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75 format_time();
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76 fprintf(logF, "\n%s Received PDU:\n", fmt_time);
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77 pdu_hexdump(pdu, pdulen);
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78 }
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79
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80 void
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81 log_sent_pdu(pdu, pdulen)
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82 u_char *pdu;
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83 unsigned pdulen;
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84 {
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85 format_time();
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86 fprintf(logF, "\n%s Sent PDU:\n", fmt_time);
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87 pdu_hexdump(pdu, pdulen);
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88 }