annotate test-fsk/bye_in.c @ 12:372be50488d6

add README
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 11 Mar 2024 12:45:09 -0800
parents 26383ed8b79f
children
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1 /*
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2 * Here we handle incoming BYE requests in the UAS role.
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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 <netinet/in.h>
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8 #include <stdio.h>
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9 #include <stdlib.h>
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10 #include <string.h>
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11 #include <strings.h>
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12 #include "../libsip/parse.h"
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13 #include "../libsip/uas_basic.h"
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14 #include "../libsip/out_msg.h"
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15
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16 extern char call_id[];
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17 extern int rtp_out_enable;
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18
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19 static void
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20 bye_correct_call(req, ess, sin)
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21 struct sip_pkt_rx *req;
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22 struct uas_parse_hdrs *ess;
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23 struct sockaddr_in *sin;
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24 {
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25 struct sip_msg_out resp;
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26 int rc;
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27
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28 printf("Received BYE for our call, responding with 200\n");
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29 rtp_out_enable = 0;
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30 start_response_out_msg(&resp, "200 OK");
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31 rc = add_resp_basic_headers(&resp, ess, req->req_method);
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32 if (rc < 0) {
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33 fprintf(stderr, "sending 200 response: msg length exceeded\n");
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34 return;
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35 }
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36 out_msg_finish(&resp);
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37 sip_tx_packet(&resp, sin);
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38 }
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39
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40 static void
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41 bye_unknown_call(req, ess, sin)
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42 struct sip_pkt_rx *req;
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43 struct uas_parse_hdrs *ess;
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44 struct sockaddr_in *sin;
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45 {
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46 struct sip_msg_out resp;
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47 int rc;
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48
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49 printf("Received BYE for unknown call, responding with 481\n");
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50 start_response_out_msg(&resp, "481 Call-ID not found");
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51 rc = add_resp_basic_headers(&resp, ess, req->req_method);
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52 if (rc < 0) {
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53 fprintf(stderr, "sending 481 response: msg length exceeded\n");
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54 return;
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55 }
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56 out_msg_finish(&resp);
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57 sip_tx_packet(&resp, sin);
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58 }
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59
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60 void
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61 handle_bye_req(req, ess, sin)
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62 struct sip_pkt_rx *req;
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63 struct uas_parse_hdrs *ess;
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64 struct sockaddr_in *sin;
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65 {
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66 if (!strcmp(ess->call_id, call_id))
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67 bye_correct_call(req, ess, sin);
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68 else
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69 bye_unknown_call(req, ess, sin);
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70 }