annotate sip-in/sip_log.c @ 48:8117d8ee44a5

sip-in: beginning of INVITE handling
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 06 Sep 2022 22:07:51 -0800
parents 62f39c7cee15
children 47976db01894
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1 /*
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2 * In this module we implement debug logging of SIP Rx & Tx messages.
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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 <sys/socket.h>
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7 #include <sys/time.h>
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8 #include <netinet/in.h>
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9 #include <arpa/inet.h>
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10 #include <stdio.h>
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11 #include <stdlib.h>
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12 #include <string.h>
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13 #include <strings.h>
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14
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15 struct timeval cur_event_time;
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16
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17 static FILE *logfile;
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18
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19 open_sip_log_file(filename)
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20 char *filename;
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21 {
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22 logfile = fopen(filename, "a");
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23 if (!logfile) {
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24 perror(filename);
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25 return(-1);
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26 }
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27 return(0);
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28 }
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29
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30 static void
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31 log_common(msg, msglen, sin, dir)
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32 char *msg, *dir;
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33 unsigned msglen;
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34 struct sockaddr_in *sin;
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35 {
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36 unsigned sec, ms;
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37
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38 sec = cur_event_time.tv_sec % 86400;
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39 ms = cur_event_time.tv_usec / 1000;
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40 fprintf(logfile, "Msg %s %s:%u %u bytes %02u:%02u:%02u.%03u\n", dir,
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41 inet_ntoa(sin->sin_addr), ntohs(sin->sin_port), msglen,
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42 sec / 3600, (sec / 60) % 60, sec % 60, ms);
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43 fwrite(msg, 1, msglen, logfile);
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44 putc('\n', logfile);
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45 fflush(logfile);
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46 }
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47
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48 void
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49 log_sip_msg_rx(msg, msglen, sin)
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50 char *msg;
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51 unsigned msglen;
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52 struct sockaddr_in *sin;
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53 {
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54 if (!logfile)
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55 return;
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56 log_common(msg, msglen, sin, "from");
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57 }
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58
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59 void
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60 log_sip_msg_tx(msg, msglen, sin)
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61 char *msg;
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62 unsigned msglen;
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63 struct sockaddr_in *sin;
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64 {
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65 if (!logfile)
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66 return;
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67 log_common(msg, msglen, sin, "to");
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68 }