FreeCalypso > hg > themwi-system-sw

annotate sip-in/mgw_ops.c @ 60:02761f1ae5e5

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
sip-in INVITE processing: got as far as CRCX completion
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 11 Sep 2022 15:42:54 -0800
parents
children e12036337412
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
60
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 /*
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
2 * In this module we implement all transactions from themwi-sip-in
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
3 * toward themwi-mgw.
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
4 */
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
5
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
6 #include <sys/types.h>
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
7 #include <sys/socket.h>
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
8 #include <netinet/in.h>
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
9 #include <stdio.h>
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
10 #include <stdint.h>
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
11 #include <stdlib.h>
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
12 #include <string.h>
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
13 #include <strings.h>
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
14 #include <syslog.h>
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
15 #include "../include/tmgw_ctrl.h"
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
16 #include "../include/tmgw_const.h"
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
17 #include "call.h"
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
18
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
19 extern struct call *call_list;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
20
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
21 struct call *
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
22 find_call_with_mgw_xact(xact_id)
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
23 uint32_t xact_id;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
24 {
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
25 struct call *call;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
26
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
27 for (call = call_list; call; call = call->next)
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
28 if (call->mgw_xact && call->mgw_xact_id == xact_id)
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
29 return call;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
30 return 0;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
31 }
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
32
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
33 uint32_t
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
34 get_new_tmgw_xact_id()
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
35 {
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
36 static uint32_t next_xact_id;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
37
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
38 for (;;) {
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
39 next_xact_id++;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
40 if (!find_call_with_mgw_xact(next_xact_id))
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
41 return next_xact_id;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
42 }
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
43 }
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
44
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
45 void
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
46 tmgw_send_crcx(call)
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
47 struct call *call;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
48 {
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
49 struct tmgw_ctrl_req req;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
50
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
51 bzero(&req, sizeof req);
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
52 req.opcode = TMGW_CTRL_OP_CRCX;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
53 req.transact_ref = get_new_tmgw_xact_id();
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
54 req.ep_id = TMGW_EP_TYPE_GATEWAY;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
55 req.setup_mask = TMGW_CTRL_MASK_PSTN_CONN;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
56 bcopy(&call->pstn_rtp_remote, &req.pstn_addr,
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
57 sizeof(struct sockaddr_in));
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
58 req.pstn_payload_type =
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
59 call->use_pcma ? PSTN_CODEC_PCMA : PSTN_CODEC_PCMU;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
60 send_req_to_tmgw(&req);
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
61 call->mgw_xact = TMGW_CTRL_OP_CRCX;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
62 call->mgw_xact_id = req.transact_ref;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
63 }
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
64
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
65 void
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
66 tmgw_send_mdcx_gsm_rtp(call)
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
67 struct call *call;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
68 {
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
69 struct tmgw_ctrl_req req;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
70
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
71 bzero(&req, sizeof req);
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
72 req.opcode = TMGW_CTRL_OP_MDCX;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
73 req.transact_ref = get_new_tmgw_xact_id();
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
74 req.ep_id = call->mgw_ep_id;;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
75 req.setup_mask = TMGW_CTRL_MASK_GSM_CONN;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
76 bcopy(&call->gsm_rtp_osmo, &req.gsm_addr,
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
77 sizeof(struct sockaddr_storage));
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
78 req.gsm_payload_type = call->gsm_payload_type;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
79 req.gsm_payload_msg_type = call->gsm_payload_msg_type;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
80 send_req_to_tmgw(&req);
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
81 call->mgw_state = MGW_STATE_CONNECTING;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
82 call->mgw_xact = TMGW_CTRL_OP_MDCX;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
83 call->mgw_xact_id = req.transact_ref;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
84 }
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
85
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
86 void
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
87 tmgw_send_dlcx(call)
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
88 struct call *call;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
89 {
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
90 struct tmgw_ctrl_req req;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
91
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
92 bzero(&req, sizeof req);
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
93 req.opcode = TMGW_CTRL_OP_DLCX;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
94 req.transact_ref = get_new_tmgw_xact_id();
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
95 req.ep_id = call->mgw_ep_id;;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
96 send_req_to_tmgw(&req);
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
97 call->mgw_state = MGW_STATE_DELETING;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
98 call->mgw_xact = TMGW_CTRL_OP_DLCX;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
99 call->mgw_xact_id = req.transact_ref;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
100 }
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
101
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
102 static void
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
103 handle_crcx_fail(call, msg)
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
104 struct call *call;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
105 struct tmgw_ctrl_resp *msg;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
106 {
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
107 call->overall_state = OVERALL_STATE_TEARDOWN;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
108 strcpy(call->invite_fail, "503 Gateway resource allocation failure");
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
109 signal_invite_error(call);
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
110 }
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
111
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
112 static void
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
113 crcx_response(call, msg)
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
114 struct call *call;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
115 struct tmgw_ctrl_resp *msg;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
116 {
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
117 if (msg->res == TMGW_RESP_OK) {
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
118 call->mgw_state = MGW_STATE_ALLOCATED;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
119 call->mgw_ep_id = msg->ep_id;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
120 bcopy(&msg->gsm_addr, &call->gsm_rtp_tmgw,
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
121 sizeof(struct sockaddr_storage));
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
122 bcopy(&msg->pstn_addr, &call->pstn_rtp_local,
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
123 sizeof(struct sockaddr_in));
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
124 switch (call->overall_state) {
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
125 case OVERALL_STATE_CRCX:
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
126 /* proceed_with_call_setup(call); */
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
127 return;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
128 case OVERALL_STATE_TEARDOWN:
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
129 tmgw_send_dlcx(call);
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
130 return;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
131 default:
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
132 bad_state:
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
133 syslog(LOG_CRIT,
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
134 "FATAL: invalid overall state 0x%x on CRCX response",
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
135 call->overall_state);
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
136 exit(1);
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
137 }
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
138 } else {
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
139 switch (call->overall_state) {
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
140 case OVERALL_STATE_CRCX:
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
141 handle_crcx_fail(call, msg);
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
142 return;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
143 case OVERALL_STATE_TEARDOWN:
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
144 return;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
145 default:
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
146 goto bad_state;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
147 }
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
148 }
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
149 }
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
150
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
151 static void
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
152 mdcx_response(call, msg)
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
153 struct call *call;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
154 struct tmgw_ctrl_resp *msg;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
155 {
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
156 /* will be handled later */
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
157 }
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
158
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
159 static void
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
160 dlcx_response(call, msg)
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
161 struct call *call;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
162 struct tmgw_ctrl_resp *msg;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
163 {
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
164 if (msg->res != TMGW_RESP_OK) {
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
165 syslog(LOG_CRIT, "FATAL: TMGW DLCX failed with code 0x%x",
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
166 msg->res);
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
167 exit(1);
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
168 }
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
169 call->mgw_state = MGW_STATE_NO_EXIST;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
170 /* TODO: transition from TEARDOWN to DEAD_SIP */
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
171 }
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
172
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
173 void
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
174 process_tmgw_response(msg)
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
175 struct tmgw_ctrl_resp *msg;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
176 {
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
177 struct call *call;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
178 unsigned opc;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
179
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
180 call = find_call_with_mgw_xact(msg->transact_ref);
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
181 if (!call) {
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
182 syslog(LOG_CRIT,
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
183 "FATAL: response from TMGW xact 0x%x does not match any call",
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
184 msg->transact_ref);
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
185 exit(1);
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
186 }
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
187 opc = call->mgw_xact;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
188 call->mgw_xact = 0;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
189 switch (opc) {
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
190 case TMGW_CTRL_OP_CRCX:
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
191 crcx_response(call, msg);
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
192 return;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
193 case TMGW_CTRL_OP_MDCX:
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
194 mdcx_response(call, msg);
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
195 return;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
196 case TMGW_CTRL_OP_DLCX:
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
197 dlcx_response(call, msg);
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
198 return;
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
199 default:
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
200 syslog(LOG_CRIT,
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
201 "FATAL: invalid opcode 0x%x in call->msg_xact", opc);
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
202 exit(1);
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
203 }
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
204 }