FreeCalypso > hg > themwi-system-sw
view sip-out/mgw_sock.c @ 243:59a166c50d0e
themwi-mncc: convert to libnumdb2
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Mon, 14 Aug 2023 19:13:26 -0800 |
parents | e54b0a9e322f |
children |
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/* * In this module we implement our local socket interface to themwi-mgw. */ #include <sys/types.h> #include <sys/socket.h> #include <sys/un.h> #include <stdio.h> #include <stdint.h> #include <stdlib.h> #include <syslog.h> #include "../include/tmgw_ctrl.h" static char tmgw_socket_pathname[] = "/var/gsm/tmgw_socket"; int mgw_socket, mgw_is_connected; connect_tmgw_socket() { struct sockaddr_un sa; unsigned sa_len; int rc; if (mgw_is_connected) return(0); mgw_socket = socket(AF_UNIX, SOCK_SEQPACKET, 0); if (mgw_socket < 0) { syslog(LOG_CRIT, "socket(AF_UNIX, SOCK_SEQPACKET, 0): %m"); return(-1); } fill_sockaddr_un(tmgw_socket_pathname, &sa, &sa_len); rc = connect(mgw_socket, (struct sockaddr *) &sa, sa_len); if (rc < 0) { syslog(LOG_ERR, "connect to %s: %m", tmgw_socket_pathname); close(mgw_socket); return(-1); } update_max_fd(mgw_socket); mgw_is_connected = 1; return(0); } void mgw_socket_select() { struct tmgw_ctrl_resp msg; int rc; rc = recv(mgw_socket, &msg, sizeof msg, 0); if (rc <= 0) { syslog(LOG_ERR, "themwi-mgw socket disconnected"); close(mgw_socket); mgw_is_connected = 0; shutdown_mgw_conn(); return; } if (rc != sizeof(struct tmgw_ctrl_resp)) { syslog(LOG_CRIT, "response packet from TMGW has wrong length: %d bytes", rc); exit(1); } process_tmgw_response(&msg); } send_req_to_tmgw(msg) struct tmgw_ctrl_req *msg; { return send(mgw_socket, msg, sizeof(struct tmgw_ctrl_req), 0); }