FreeCalypso > hg > themwi-system-sw
annotate sip-in/mgw_sock.c @ 70:47976db01894
sip-in/sip_log.c: extern declaration of global variable
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Mon, 19 Sep 2022 21:30:33 -0800 |
parents | 02761f1ae5e5 |
children | 372209628038 |
rev | line source |
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47
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1 /* |
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2 * In this module we implement our local socket interface to themwi-mgw. |
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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 <sys/un.h> |
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8 #include <stdio.h> |
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9 #include <stdint.h> |
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10 #include <stdlib.h> |
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11 #include <syslog.h> |
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12 #include "../include/tmgw_ctrl.h" |
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13 |
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14 static char tmgw_socket_pathname[] = "/var/gsm/tmgw_socket"; |
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15 |
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16 int mgw_socket; |
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17 |
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18 open_tmgw_socket() |
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19 { |
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20 struct sockaddr_un sa; |
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21 unsigned sa_len; |
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22 int rc; |
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23 |
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24 mgw_socket = socket(AF_UNIX, SOCK_SEQPACKET, 0); |
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25 if (mgw_socket < 0) { |
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26 syslog(LOG_CRIT, "socket(AF_UNIX, SOCK_SEQPACKET, 0): %m"); |
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27 return(-1); |
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28 } |
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29 fill_sockaddr_un(tmgw_socket_pathname, &sa, &sa_len); |
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30 rc = connect(mgw_socket, (struct sockaddr *) &sa, sa_len); |
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31 if (rc < 0) { |
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32 syslog(LOG_ERR, "connect to %s: %m", tmgw_socket_pathname); |
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33 return(-1); |
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34 } |
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35 update_max_fd(mgw_socket); |
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36 return(0); |
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37 } |
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38 |
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39 void |
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40 mgw_socket_select() |
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41 { |
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42 struct tmgw_ctrl_resp msg; |
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43 int rc; |
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44 |
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45 rc = recv(mgw_socket, &msg, sizeof msg, 0); |
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46 if (rc < 0) { |
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47 syslog(LOG_CRIT, "error reading from TMGW socket: %m"); |
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48 exit(1); |
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49 } |
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50 if (rc != sizeof(struct tmgw_ctrl_resp)) { |
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51 syslog(LOG_CRIT, |
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52 "response packet from TMGW has wrong length: %d bytes", |
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53 rc); |
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54 exit(1); |
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55 } |
60
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56 process_tmgw_response(&msg); |
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57 } |
60
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58 |
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59 send_req_to_tmgw(msg) |
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60 struct tmgw_ctrl_req *msg; |
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61 { |
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62 return send(mgw_socket, msg, sizeof(struct tmgw_ctrl_req), 0); |
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63 } |