FreeCalypso > hg > themwi-system-sw
view sip-out/retrans.c @ 178:b259e2722485
README: update for current status
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Thu, 09 Mar 2023 13:08:31 -0800 |
parents | e54b0a9e322f |
children |
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/* * In this module we handle retransmission of our outgoing SIP UAC packets. */ #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/gsm48_const.h" #include "../include/out_routes.h" #include "../libsip/out_msg.h" #include "call.h" extern unsigned cfg_retrans_count; extern unsigned sip_linger_timeout; extern unsigned sip_linger_bye_out_err; extern struct call *call_list; void run_periodic_retrans() { struct call *call; struct sip_msg_out msg; for (call = call_list; call; call = call->next) { switch (call->sip_state) { case SIP_STATE_INV_SENT: if (call->sip_tx_count < cfg_retrans_count) { fill_invite_req_msg(&msg, call); sip_tx_packet(&msg, &call->udp_sin); call->sip_tx_count++; } else { syslog(LOG_ERR, "outbound INVITE retrans timeout"); call->overall_state = OVERALL_STATE_TEARDOWN; disconnect_mncc(call, GSM48_CAUSE_LOC_PRN_S_LU, GSM48_CC_CAUSE_DEST_OOO); disconnect_tmgw(call); call->sip_state = SIP_STATE_ACCEPT_100; sip_mark_end_time(call, sip_linger_timeout); } break; case SIP_STATE_CANCEL_SENT: if (call->sip_tx_count < cfg_retrans_count) { fill_cancel_req_msg(&msg, call); sip_tx_packet(&msg, &call->udp_sin); call->sip_tx_count++; } else { syslog(LOG_ERR, "outbound CANCEL retrans timeout"); call->sip_state = SIP_STATE_ACCEPT_200; sip_mark_end_time(call, sip_linger_timeout); } break; case SIP_STATE_BYE_SENT: if (call->sip_tx_count < cfg_retrans_count) { fill_bye_req_msg(&msg, call); sip_tx_packet(&msg, &call->udp_sin); call->sip_tx_count++; } else { syslog(LOG_ERR, "outbound BYE retrans timeout"); call->sip_state = SIP_STATE_ENDED; sip_mark_end_time(call, sip_linger_bye_out_err); } break; } } }