FreeCalypso > hg > themwi-system-sw
view sip-out/mncc_sig_out.c @ 233:60f6e561bfb8
libnumdb2: start with readbin.c
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Mon, 14 Aug 2023 13:10:38 -0800 |
parents | e54b0a9e322f |
children |
line wrap: on
line source
/* * In this module we implement functions that send MNCC messages * to OsmoMSC via themwi-mncc, to be called by SIP and TMGW events. */ #include <sys/types.h> #include <sys/socket.h> #include <sys/time.h> #include <netinet/in.h> #include <stdio.h> #include <stdint.h> #include <stdlib.h> #include <string.h> #include <strings.h> #include <syslog.h> #include "../include/mncc.h" #include "../include/gsm48_const.h" #include "../include/out_routes.h" #include "call.h" void mncc_signal_alerting(call) struct call *call; { struct gsm_mncc msg; if (call->mncc_state == MNCC_STATE_ALERTING) return; bzero(&msg, sizeof(struct gsm_mncc)); msg.msg_type = MNCC_ALERT_REQ; msg.callref = call->mncc_callref; send_mncc_to_sock(call->mncc, &msg, sizeof(struct gsm_mncc)); call->mncc_state = MNCC_STATE_ALERTING; } void mncc_signal_ibt_ring(call) struct call *call; { struct gsm_mncc msg; bzero(&msg, sizeof(struct gsm_mncc)); if (call->overall_state == OVERALL_STATE_RINGING && call->mncc_state != MNCC_STATE_ALERTING) { msg.msg_type = MNCC_ALERT_REQ; call->mncc_state = MNCC_STATE_ALERTING; } else msg.msg_type = MNCC_PROGRESS_REQ; msg.callref = call->mncc_callref; msg.fields |= MNCC_F_PROGRESS; msg.progress.coding = GSM48_CAUSE_CODING_GSM; msg.progress.location = GSM48_CAUSE_LOC_NET_BEYOND; msg.progress.descr = GSM48_PROGR_IN_BAND_AVAIL; send_mncc_to_sock(call->mncc, &msg, sizeof(struct gsm_mncc)); } void mncc_signal_answer_sup(call) struct call *call; { struct gsm_mncc msg; bzero(&msg, sizeof(struct gsm_mncc)); msg.msg_type = MNCC_SETUP_RSP; msg.callref = call->mncc_callref; send_mncc_to_sock(call->mncc, &msg, sizeof(struct gsm_mncc)); call->mncc_state = MNCC_STATE_CONNECTED; } void mncc_dtmf_start_ok(call) struct call *call; { struct gsm_mncc msg; bzero(&msg, sizeof(struct gsm_mncc)); msg.msg_type = MNCC_START_DTMF_RSP; msg.callref = call->mncc_callref; msg.fields |= MNCC_F_KEYPAD; msg.keypad = call->dtmf_digit; send_mncc_to_sock(call->mncc, &msg, sizeof(struct gsm_mncc)); } void mncc_dtmf_start_err(call) struct call *call; { struct gsm_mncc msg; bzero(&msg, sizeof(struct gsm_mncc)); msg.msg_type = MNCC_START_DTMF_REJ; msg.callref = call->mncc_callref; mncc_set_cause(&msg, GSM48_CAUSE_LOC_PRN_S_LU, GSM48_CC_CAUSE_PROTO_ERR); send_mncc_to_sock(call->mncc, &msg, sizeof(struct gsm_mncc)); } void mncc_dtmf_stop_ok(call) struct call *call; { struct gsm_mncc msg; bzero(&msg, sizeof(struct gsm_mncc)); msg.msg_type = MNCC_STOP_DTMF_RSP; msg.callref = call->mncc_callref; send_mncc_to_sock(call->mncc, &msg, sizeof(struct gsm_mncc)); } void mncc_send_hold_ack(call) struct call *call; { struct gsm_mncc msg; bzero(&msg, sizeof(struct gsm_mncc)); msg.msg_type = MNCC_HOLD_CNF; msg.callref = call->mncc_callref; send_mncc_to_sock(call->mncc, &msg, sizeof(struct gsm_mncc)); } void mncc_send_retrieve_ack(call) struct call *call; { struct gsm_mncc msg; bzero(&msg, sizeof(struct gsm_mncc)); msg.msg_type = MNCC_RETRIEVE_CNF; msg.callref = call->mncc_callref; send_mncc_to_sock(call->mncc, &msg, sizeof(struct gsm_mncc)); } void send_rtp_connect(call) struct call *call; { struct gsm_mncc_rtp rtp; bzero(&rtp, sizeof(struct gsm_mncc_rtp)); rtp.msg_type = MNCC_RTP_CONNECT; rtp.callref = call->mncc_callref; bcopy(&call->gsm_rtp_tmgw, &rtp.addr, sizeof(struct sockaddr_storage)); send_mncc_to_sock(call->mncc, &rtp, sizeof(struct gsm_mncc_rtp)); }