FreeCalypso > hg > themwi-system-sw
annotate mgw/dlcx.c @ 197:73bbe7da45cd
add LICENSE
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Sun, 26 Mar 2023 15:29:48 -0800 |
parents | a6eb2de277f6 |
children |
rev | line source |
---|---|
32
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1 /* |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2 * In this module we implement our DLCX operation. |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
3 */ |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
4 |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
5 #include <sys/types.h> |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
6 #include <sys/socket.h> |
127
f062c32a5116
mgw: implement DTMF
Mychaela Falconia <falcon@freecalypso.org>
parents:
95
diff
changeset
|
7 #include <sys/time.h> |
32
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
8 #include <netinet/in.h> |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
9 #include <stdio.h> |
38
020ba624bdd8
mgw source: #include <stdlib.h> in files using tmgw_ctrl.h
Mychaela Falconia <falcon@freecalypso.org>
parents:
32
diff
changeset
|
10 #include <stdint.h> |
32
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
11 #include <stdlib.h> |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
12 #include <string.h> |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
13 #include <strings.h> |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
14 #include <syslog.h> |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
15 #include <unistd.h> |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
16 #include "../include/tmgw_ctrl.h" |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
17 #include "../include/tmgw_const.h" |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
18 #include "struct.h" |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
19 #include "select.h" |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
20 |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
21 extern struct endpoint *find_ep_by_id(); |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
22 |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
23 static struct endpoint *delq; |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
24 |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
25 static void |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
26 put_on_delq(ep) |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
27 struct endpoint *ep; |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
28 { |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
29 ep->next = delq; |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
30 delq = ep; |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
31 } |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
32 |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
33 void |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
34 process_dlcx(conn, req, resp) |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
35 struct ctrl_conn *conn; |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
36 struct tmgw_ctrl_req *req; |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
37 struct tmgw_ctrl_resp *resp; |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
38 { |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
39 struct endpoint *ep, **epp; |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
40 |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
41 for (epp = &conn->endp_list; ep = *epp; epp = &ep->next) |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
42 if (ep->ep_id == req->ep_id) |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
43 break; |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
44 if (!ep) { |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
45 resp->res = TMGW_RESP_ERR_PROT; |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
46 return; |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
47 } |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
48 syslog(LOG_INFO, "DLCX endpoint id %u", ep->ep_id); |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
49 *epp = ep->next; |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
50 put_on_delq(ep); |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
51 resp->res = TMGW_RESP_OK; |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
52 } |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
53 |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
54 void |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
55 dlcx_all_on_conn(conn) |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
56 struct ctrl_conn *conn; |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
57 { |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
58 struct endpoint *ep, *np; |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
59 |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
60 for (ep = conn->endp_list; ep; ep = np) { |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
61 np = ep->next; |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
62 put_on_delq(ep); |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
63 } |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
64 } |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
65 |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
66 void |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
67 free_rtp_end(roe) |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
68 struct rtp_one_end *roe; |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
69 { |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
70 close(roe->rtp_fd); |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
71 close(roe->rtcp_fd); |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
72 FD_CLR(roe->rtp_fd, &select_for_read); |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
73 FD_CLR(roe->rtcp_fd, &select_for_read); |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
74 } |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
75 |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
76 void |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
77 free_deleted_endpoints() |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
78 { |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
79 struct endpoint *ep, *np; |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
80 |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
81 for (ep = delq; ep; ep = np) { |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
82 np = ep->next; |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
83 if (ep->ep_type & TMGW_EP_HAS_GSM_SOCK) |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
84 free_rtp_end(&ep->rtp_gsm); |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
85 if (ep->ep_type & TMGW_EP_HAS_PSTN_SOCK) |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
86 free_rtp_end(&ep->rtp_pstn); |
95
f280328e7e2e
themwi-mgw: initial implementation of PSTN to GSM forwarding
Mychaela Falconia <falcon@freecalypso.org>
parents:
38
diff
changeset
|
87 if (ep->gsm_encoder_state) |
f280328e7e2e
themwi-mgw: initial implementation of PSTN to GSM forwarding
Mychaela Falconia <falcon@freecalypso.org>
parents:
38
diff
changeset
|
88 free(ep->gsm_encoder_state); |
f280328e7e2e
themwi-mgw: initial implementation of PSTN to GSM forwarding
Mychaela Falconia <falcon@freecalypso.org>
parents:
38
diff
changeset
|
89 if (ep->gsm_decoder_state) |
f280328e7e2e
themwi-mgw: initial implementation of PSTN to GSM forwarding
Mychaela Falconia <falcon@freecalypso.org>
parents:
38
diff
changeset
|
90 free(ep->gsm_decoder_state); |
168
8c28426abef0
mgw: start using the new libgsmfrp dependency
Mychaela Falconia <falcon@freecalypso.org>
parents:
127
diff
changeset
|
91 if (ep->gsm_decoder_extra_state) |
8c28426abef0
mgw: start using the new libgsmfrp dependency
Mychaela Falconia <falcon@freecalypso.org>
parents:
127
diff
changeset
|
92 free(ep->gsm_decoder_extra_state); |
32
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
93 free(ep); |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
94 } |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
95 delq = 0; |
b3f74df7b808
beginning of themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
96 } |