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comparison sip-manual-out/uas.c @ 147:94b5831c017f

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sip-manual-out code: split bye_in.c from uas.c
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 08 Oct 2022 23:01:32 -0800
parents dd845c4933e1
children b51247739897
comparison
equal deleted inserted replaced
146:54c2f271380d 147:94b5831c017f
10 #include <string.h> 10 #include <string.h>
11 #include <strings.h> 11 #include <strings.h>
12 #include "../libsip/parse.h" 12 #include "../libsip/parse.h"
13 #include "../libsip/uas_basic.h" 13 #include "../libsip/uas_basic.h"
14 #include "../libsip/out_msg.h" 14 #include "../libsip/out_msg.h"
15
16 extern char call_id[];
17
18 static void
19 bye_correct_call(req, ess, sin)
20 struct sip_pkt_rx *req;
21 struct uas_parse_hdrs *ess;
22 struct sockaddr_in *sin;
23 {
24 struct sip_msg_out resp;
25 int rc;
26
27 printf("Received BYE for our call, responding with 200\n");
28 start_response_out_msg(&resp, "200 OK");
29 rc = add_resp_basic_headers(&resp, ess, req->req_method);
30 if (rc < 0) {
31 fprintf(stderr, "sending 200 response: msg length exceeded\n");
32 return;
33 }
34 out_msg_finish(&resp);
35 sip_tx_packet(&resp, sin);
36 }
37
38 static void
39 bye_unknown_call(req, ess, sin)
40 struct sip_pkt_rx *req;
41 struct uas_parse_hdrs *ess;
42 struct sockaddr_in *sin;
43 {
44 struct sip_msg_out resp;
45 int rc;
46
47 printf("Received BYE for unknown call, responding with 481\n");
48 start_response_out_msg(&resp, "481 Call-ID not found");
49 rc = add_resp_basic_headers(&resp, ess, req->req_method);
50 if (rc < 0) {
51 fprintf(stderr, "sending 481 response: msg length exceeded\n");
52 return;
53 }
54 out_msg_finish(&resp);
55 sip_tx_packet(&resp, sin);
56 }
57
58 static void
59 handle_bye(req, ess, sin)
60 struct sip_pkt_rx *req;
61 struct uas_parse_hdrs *ess;
62 struct sockaddr_in *sin;
63 {
64 if (!strcmp(ess->call_id, call_id))
65 bye_correct_call(req, ess, sin);
66 else
67 bye_unknown_call(req, ess, sin);
68 }
69 15
70 static void 16 static void
71 unsupported_method(req, ess, sin) 17 unsupported_method(req, ess, sin)
72 struct sip_pkt_rx *req; 18 struct sip_pkt_rx *req;
73 struct uas_parse_hdrs *ess; 19 struct uas_parse_hdrs *ess;
105 msg->req_method, ess.error_field); 51 msg->req_method, ess.error_field);
106 return; 52 return;
107 } 53 }
108 /* dispatch by method */ 54 /* dispatch by method */
109 if (!strcmp(msg->req_method, "BYE")) 55 if (!strcmp(msg->req_method, "BYE"))
110 handle_bye(msg, &ess, sin); 56 handle_bye_req(msg, &ess, sin);
111 else if (!strcmp(msg->req_method, "ACK")) 57 else if (!strcmp(msg->req_method, "ACK"))
112 printf("Received unexpected ACK, swallowing it\n"); 58 printf("Received unexpected ACK, swallowing it\n");
113 else 59 else
114 unsupported_method(msg, &ess, sin); 60 unsupported_method(msg, &ess, sin);
115 } 61 }