FreeCalypso > hg > sipout-test-utils

annotate test-voice/uac.c @ 18:f7321b25195e default tip

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new build system for ThemWi sw components
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 14 May 2024 18:08:35 -0800
parents 35c0d9f03c0a
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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0
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 /*
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
2 * Here we implement processing of SIP responses to the requests we sent out.
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
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3 */
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
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4
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
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5 #include <sys/types.h>
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
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6 #include <sys/socket.h>
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
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7 #include <netinet/in.h>
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
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8 #include <arpa/inet.h>
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
9 #include <stdio.h>
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
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10 #include <stdlib.h>
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
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11 #include <string.h>
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
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12 #include <strings.h>
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
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13 #include "../libsip/parse.h"
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
14 #include "../libsip/resp_ident.h"
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
15 #include "../libsip/out_msg.h"
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
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16
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
17 #define MAX_TO_TAG 63
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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18
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Mychaela Falconia <falcon@freecalypso.org>
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19 extern char *get_single_header();
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
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20 extern char *extract_to_tag();
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
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21
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
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22 extern struct in_addr sip_bind_ip;
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
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23 extern unsigned sip_bind_port;
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
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24 extern char call_id[], from_uri[], to_uri[];
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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25 extern unsigned max_forwards;
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Mychaela Falconia <falcon@freecalypso.org>
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26
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Mychaela Falconia <falcon@freecalypso.org>
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27 char to_tag[MAX_TO_TAG+1];
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Mychaela Falconia <falcon@freecalypso.org>
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28
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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29 add_req_boilerplate(msg, cseq, add_to_tag)
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
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30 struct sip_msg_out *msg;
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
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31 char *cseq;
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Mychaela Falconia <falcon@freecalypso.org>
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32 {
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Mychaela Falconia <falcon@freecalypso.org>
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33 char strbuf[256];
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Mychaela Falconia <falcon@freecalypso.org>
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34 int rc;
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
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35
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Mychaela Falconia <falcon@freecalypso.org>
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36 sprintf(strbuf, "SIP/2.0/UDP %s:%u",
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
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37 inet_ntoa(sip_bind_ip), sip_bind_port);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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38 rc = out_msg_add_header(msg, "Via", strbuf);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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39 if (rc < 0)
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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40 return rc;
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
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41 rc = out_msg_add_header(msg, "From", from_uri);
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
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42 if (rc < 0)
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
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43 return rc;
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
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44 if (add_to_tag && to_tag[0]) {
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
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45 sprintf(strbuf, "<%s>;tag=%s", to_uri, to_tag);
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
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46 rc = out_msg_add_header(msg, "To", strbuf);
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
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47 } else
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
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48 rc = out_msg_add_header(msg, "To", to_uri);
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
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49 if (rc < 0)
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
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50 return rc;
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
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51 rc = out_msg_add_header(msg, "Call-ID", call_id);
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
52 if (rc < 0)
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
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53 return rc;
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
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54 rc = out_msg_add_header(msg, "CSeq", cseq);
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
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55 if (rc < 0)
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
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56 return rc;
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
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57 sprintf(strbuf, "%u", max_forwards);
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
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58 return out_msg_add_header(msg, "Max-Forwards", strbuf);
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
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59 }
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
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60
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
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61 add_contact_header(msg)
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Mychaela Falconia <falcon@freecalypso.org>
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62 struct sip_msg_out *msg;
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Mychaela Falconia <falcon@freecalypso.org>
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63 {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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64 char strbuf[80];
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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65
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Mychaela Falconia <falcon@freecalypso.org>
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66 sprintf(strbuf, "<sip:%s:%u;transport=udp>",
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
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67 inet_ntoa(sip_bind_ip), sip_bind_port);
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
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68 return out_msg_add_header(msg, "Contact", strbuf);
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
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69 }
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
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70
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
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71 static void
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
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72 send_ack(sin)
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
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73 struct sockaddr_in *sin;
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
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74 {
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
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75 struct sip_msg_out msg;
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
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76 int rc;
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
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77
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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78 rc = start_request_out_msg(&msg, "ACK", to_uri);
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
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79 if (rc < 0) {
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
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80 msg_size_err: fprintf(stderr, "composing ACK message: size error\n");
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
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81 return;
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
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82 }
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
83 rc = add_req_boilerplate(&msg, "1 ACK", 1);
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
84 if (rc < 0)
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
85 goto msg_size_err;
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
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86 out_msg_finish(&msg);
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
87 sip_tx_packet(&msg, sin);
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
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88 }
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
89
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
90 static void
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
91 handle_invite_response(msg, sin)
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
92 struct sip_pkt_rx *msg;
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
93 struct sockaddr_in *sin;
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
94 {
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
95 char *tag;
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
96
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
97 printf("Response to INVITE: %s\n", msg->status_str);
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
98 tag = extract_to_tag(msg, to_uri);
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
99 if (tag) {
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
100 printf("To tag: %s\n", tag);
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
101 if (strlen(tag) <= MAX_TO_TAG)
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
102 strcpy(to_tag, tag);
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
103 else
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
104 printf("To tag exceeds length limit!\n");
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
105 }
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
106 extract_resp_sdp(msg);
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
107 if (msg->status_code >= 200) {
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
108 printf("Sending ACK\n");
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
109 send_ack(sin);
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
110 if (msg->status_code <= 299)
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
111 invite_200_rtpout();
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
112 }
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
113 }
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
114
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
115 void
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
116 process_sip_response(msg, sin)
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
117 struct sip_pkt_rx *msg;
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
118 struct sockaddr_in *sin;
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
119 {
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
120 struct sip_resp_ident rid;
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
121 int rc;
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
122
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
123 rc = sip_resp_extract_ident(msg, &rid);
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
124 if (rc < 0) {
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
125 printf("SIP %03u response: bad or missing %s header\n",
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
126 msg->status_code, rid.error_field);
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
127 return;
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
128 }
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
129 if (strcmp(rid.call_id, call_id)) {
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
130 printf("Got SIP response with wrong Call-ID\n");
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
131 return;
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
132 }
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
133 if (rid.cseq_num == 1 && !strcmp(rid.cseq_method, "INVITE"))
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
134 handle_invite_response(msg, sin);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
135 else if (rid.cseq_num == 1 && !strcmp(rid.cseq_method, "CANCEL"))
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
136 printf("Response to CANCEL: %s\n", msg->status_str);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
137 else if (rid.cseq_num == 2 && !strcmp(rid.cseq_method, "BYE"))
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
138 printf("Response to BYE: %s\n", msg->status_str);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
139 else
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
140 printf("Got SIP resp for our Call-ID with unknown CSeq %u %s\n",
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
141 rid.cseq_num, rid.cseq_method);
35c0d9f03c0a beginning with sipout-test-voice,
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
142 }