FreeCalypso > hg > themwi-system-sw

annotate sip-manual-out/disc_cmd.c @ 124:7e04d28fae8b

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sip-in: default use-100rel to no BulkVS servers act badly when we send a reliable 180 Ringing response to an incoming call, even though they advertise 100rel support in the Supported header in the INVITE packet, and we probably won't be implementing 100rel for outbound because doing per-the-spec PRACK as a UAC is just too burdensome. Therefore, we need to consider 100rel extension as not-really-supported in themwi-system-sw.
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 01 Oct 2022 15:54:50 -0800
parents a36b731bfef9
children f8a33603288f
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1 /*
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2 * In this module we implement user-driven sending of CANCEL and BYE
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3 * disconnection requests.
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4 */
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5
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6 #include <sys/types.h>
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7 #include <sys/socket.h>
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8 #include <netinet/in.h>
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9 #include <stdio.h>
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10 #include <stdlib.h>
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11 #include <string.h>
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12 #include <strings.h>
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13 #include "../libsip/out_msg.h"
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14
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15 extern struct sockaddr_in sip_dest_sin;
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16 extern char to_uri[];
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17
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18 send_cancel_req()
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19 {
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20 struct sip_msg_out msg;
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21 int rc;
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22
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23 rc = start_request_out_msg(&msg, "CANCEL", to_uri);
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24 if (rc < 0) {
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25 msg_size_err: fprintf(stderr, "composing CANCEL message: size error\n");
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26 return(-1);
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27 }
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28 rc = add_req_boilerplate(&msg, "1 CANCEL", 0);
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29 if (rc < 0)
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30 goto msg_size_err;
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31 out_msg_finish(&msg);
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32 sip_tx_packet(&msg, &sip_dest_sin);
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33 return(0);
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34 }
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35
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36 send_bye_req()
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37 {
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38 struct sip_msg_out msg;
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39 int rc;
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40
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41 rc = start_request_out_msg(&msg, "BYE", to_uri);
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42 if (rc < 0) {
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43 msg_size_err: fprintf(stderr, "composing BYE message: size error\n");
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44 return(-1);
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45 }
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46 rc = add_req_boilerplate(&msg, "2 BYE", 1);
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47 if (rc < 0)
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48 goto msg_size_err;
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49 out_msg_finish(&msg);
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50 sip_tx_packet(&msg, &sip_dest_sin);
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51 return(0);
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52 }
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53
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54 void
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55 select_stdin()
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56 {
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57 char buf[256], *cp;
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58
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59 fgets(buf, sizeof buf, stdin);
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60 cp = index(buf, '\n');
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61 if (cp) {
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62 while (cp > buf && isspace(cp[-1]))
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63 cp--;
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64 *cp = '\0';
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65 }
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66 for (cp = buf; isspace(*cp); cp++)
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67 ;
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68 if (!*cp)
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69 return;
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70 if (!strcmp(cp, "b") || !strcasecmp(cp, "bye"))
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71 send_bye_req();
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72 else if (!strcmp(cp, "c") || !strcasecmp(cp, "cancel"))
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73 send_cancel_req();
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74 else
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75 fprintf(stderr, "error: non-understood stdin command\n");
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76 }