Mercurial > hg > freeDiameter
view libfdcore/p_dp.c @ 1513:73e563165594
Add 3GPP TS 29.468 V15.8.0 (2019-12)
Add AVPs:
- BMSC-Address, Address, code 3500, section 6.4.2
- BMSC-Port, Unsigned32, code 3501, section 6.4.3
- Common-Tunnel-Endpoint-Identifier, OctetString, code 3524, section 6.4.26
- FEC-Request, OctetString, code 3525, section 6.4.27
- FEC-Result, Unsigned32, code 3531, section 6.4.33
- Local-M1-Information, Grouped, code 3518, section 6.4.20
- Local-MB2-U-Information, Grouped, code 3519, section 6.4.21
- MB2U-Security, Unsigned32, code 3517, section 6.4.19
- MBMS-Bearer-Event, Unsigned32, code 3502, section 6.4.4
- MBMS-Bearer-Event-Notification, Grouped, code 3503, section 6.4.5
- MBMS-Bearer-Request, Grouped, code 3504, section 6.4.6
- MBMS-Bearer-Response, Grouped, code 3505, section 6.4.7
- MBMS-Bearer-Result, Unsigned32, code 3506, section 6.4.8
- MBMS-eNB-IP-Multicast-Address, Address, code 3520, section 6.4.22
- MBMS-eNB-IPv6-Multicast-Address, Address, code 3521, section 6.4.23
- MBMS-GW-SSM-IP-Address-29.468, Address, code 3522, section 6.4.24
- MBMS-GW-SSM-IPv6-Address-29.468, Address, code 3523, section 6.4.25
- MBMS-Start-Time, Time, code 3507, section 6.4.9
- Radio-Frequency-29.468, Unsigned32, code 3508, section 6.4.10
- ROHC-Full-Header-Periodicity, Float32, code 3527, section 6.4.29
- ROHC-Max-CID, Unsigned32, code 3532, section 6.4.34
- ROHC-Profile, Unsigned32, code 3528, section 6.4.30
- ROHC-Request, Grouped, code 3526, section 6.4.28
- ROHC-Result, Unsigned32, code 3530, section 6.4.32
- TMGI-Allocation-Request, Grouped, code 3509, section 6.4.11
- TMGI-Allocation-Response, Grouped, code 3510, section 6.4.12
- TMGI-Allocation-Result, Unsigned32, code 3511, section 6.4.13
- TMGI-Deallocation-Request, Grouped, code 3512, section 6.4.14
- TMGI-Deallocation-Response, Grouped, code 3513, section 6.4.15
- TMGI-Deallocation-Result, Unsigned32, code 3514, section 6.4.16
- TMGI-Expiry, Grouped, code 3515, section 6.4.17
- TMGI-Number, Unsigned32, code 3516, section 6.4.18
- Userplane-Protocol-Result, Grouped, code 3529, section 6.4.31
Note: Name conflict with 3GPP TS 29.061 MBMS-GW-SSM-IP-Address (924).
3GPP TS 29.061 V10.4.0 (2011-09) CR 0355 added MBMS-GW-SSM-IP-Address (924).
3GPP TS 29.468 V14.0.0 (2016-12) CR 0021 added MBMS-GW-SSM-IP-Address (3522).
Fix: MBMS-GW-SSM-IP-Address (3522) renamed to MBMS-GW-SSM-IP-Address-29.468 (3522).
Note: Name conflict with 3GPP TS 29.061 MBMS-GW-SSM-IPv6-Address (925).
3GPP TS 29.061 V10.4.0 (2011-09) CR 0355 added MBMS-GW-SSM-IPv6-Address (925).
3GPP TS 29.468 V14.0.0 (2016-12) CR 0021 added MBMS-GW-SSM-IPv6-Address (3523).
Fix: MBMS-GW-SSM-IPv6-Address (3523) renamed to MBMS-GW-SSM-IPv6-Address-29.468 (3523).
Note: Name conflict with 3GPP TS 32.299 Radio-Frequency (3462).
3GPP TS 29.468 V12.0.0 (2014-09) added Radio-Frequency (3508).
3GPP TS 32.299 V13.1.0 (2015-06) CR 0638 added Radio-Frequency (3462).
Fix: Radio-Frequency (3508) renamed to Radio-Frequency-29.468 (3508).
author | Luke Mewburn <luke@mewburn.net> |
---|---|
date | Tue, 07 Apr 2020 19:38:33 +1000 |
parents | 8f9684264fe0 |
children |
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/********************************************************************************************************* * Software License Agreement (BSD License) * * Author: Sebastien Decugis <sdecugis@freediameter.net> * * * * Copyright (c) 2013, WIDE Project and NICT * * All rights reserved. * * * * Redistribution and use of this software in source and binary forms, with or without modification, are * * permitted provided that the following conditions are met: * * * * * Redistributions of source code must retain the above * * copyright notice, this list of conditions and the * * following disclaimer. * * * * * Redistributions in binary form must reproduce the above * * copyright notice, this list of conditions and the * * following disclaimer in the documentation and/or other * * materials provided with the distribution. * * * * * Neither the name of the WIDE Project or NICT nor the * * names of its contributors may be used to endorse or * * promote products derived from this software without * * specific prior written permission of WIDE Project and * * NICT. * * * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED * * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A * * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR * * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR * * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * *********************************************************************************************************/ #include "fdcore-internal.h" /* This file contains code to handle Disconnect Peer messages (DPR and DPA) */ /* Delay to use before next reconnect attempt */ int fd_p_dp_newdelay(struct fd_peer * peer) { int delay = peer->p_hdr.info.config.pic_tctimer ?: fd_g_config->cnf_timer_tc; switch (peer->p_hdr.info.runtime.pir_lastDC) { case ACV_DC_REBOOTING: default: /* We use TcTimer to attempt reconnection */ break; case ACV_DC_BUSY: /* No need to hammer the overloaded peer */ delay *= 10; break; case ACV_DC_NOT_FRIEND: /* He does not want to speak to us... let's retry a *lot* later maybe */ delay *= 200; break; } return delay; } /* Handle a received message */ int fd_p_dp_handle(struct msg ** msg, int req, struct fd_peer * peer) { long to_receive, to_send; TRACE_ENTRY("%p %d %p", msg, req, peer); if (req) { /* We received a DPR, save the Disconnect-Cause and go to CLOSING_GRACE or terminate the connection */ struct avp * dc; CHECK_FCT( fd_msg_search_avp ( *msg, fd_dict_avp_DC, &dc )); if (dc) { struct avp_hdr * hdr; CHECK_FCT( fd_msg_avp_hdr( dc, &hdr ) ); if (hdr->avp_value == NULL) { /* This is a sanity check */ LOG_F("BUG: Unset value in Disconnect-Cause in DPR"); ASSERT(0); /* To check if this really happens, and understand why... */ } /* save the cause */ peer->p_hdr.info.runtime.pir_lastDC = hdr->avp_value->u32; } if (TRACE_BOOL(INFO)) { if (dc) { struct dict_object * dictobj; struct dict_enumval_request er; memset(&er, 0, sizeof(er)); /* prepare the request */ CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_TYPE, TYPE_OF_AVP, fd_dict_avp_DC, &er.type_obj, ENOENT ) ); er.search.enum_value.u32 = peer->p_hdr.info.runtime.pir_lastDC; /* Search the enum value */ CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_ENUMVAL, ENUMVAL_BY_STRUCT, &er, &dictobj, 0 ) ); if (dictobj) { CHECK_FCT( fd_dict_getval( dictobj, &er.search ) ); TRACE_DEBUG(INFO, "Peer '%s' sent a DPR with cause: %s", peer->p_hdr.info.pi_diamid, er.search.enum_name); } else { TRACE_DEBUG(INFO, "Peer '%s' sent a DPR with unknown cause: %u", peer->p_hdr.info.pi_diamid, peer->p_hdr.info.runtime.pir_lastDC); } } else { TRACE_DEBUG(INFO, "Peer '%s' sent a DPR without Disconnect-Cause AVP", peer->p_hdr.info.pi_diamid); } } /* Now reply with a DPA */ CHECK_FCT( fd_msg_new_answer_from_req ( fd_g_config->cnf_dict, msg, 0 ) ); CHECK_FCT( fd_msg_rescode_set( *msg, "DIAMETER_SUCCESS", NULL, NULL, 1 ) ); /* Do we have pending exchanges with this peer? */ CHECK_FCT( fd_peer_get_load_pending(&peer->p_hdr, &to_receive, &to_send) ); if ((to_receive == 0) && (to_send == 0)) { /* No pending exchange, move to CLOSING directly */ CHECK_FCT( fd_psm_change_state(peer, STATE_CLOSING) ); /* Now send the DPA */ CHECK_FCT( fd_out_send( msg, NULL, peer, 0) ); /* and move to CLOSED */ fd_psm_cleanup(peer, 0); /* Reset the timer for next connection attempt -- we'll retry sooner or later depending on the disconnection cause */ fd_psm_next_timeout(peer, 1, fd_p_dp_newdelay(peer)); } else { /* We have pending exchanges, we move to CLOSING_GRACE which allows exchanges of answers but not new requests */ CHECK_FCT( fd_psm_change_state(peer, STATE_CLOSING_GRACE) ); fd_psm_next_timeout(peer, 0, GRACE_TIMEOUT); /* Now send the DPA */ CHECK_FCT( fd_out_send( msg, NULL, peer, 0) ); } } else { /* We received a DPA */ int curstate = fd_peer_getstate(peer); if (curstate != STATE_CLOSING_GRACE) { TRACE_DEBUG(INFO, "Ignoring DPA received in state %s", STATE_STR(curstate)); } /* In theory, we should control the Result-Code AVP. But since we will not go back to OPEN state here anyway, let's skip it */ /* TODO("Control Result-Code in the DPA") */ CHECK_FCT_DO( fd_msg_free( *msg ), /* continue */ ); *msg = NULL; /* Do we still have pending exchanges with this peer? */ CHECK_FCT( fd_peer_get_load_pending(&peer->p_hdr, &to_receive, &to_send) ); if ((to_receive != 0) || (to_send != 0)) { TRACE_DEBUG(INFO, "Received DPA but pending load: [%ld, %ld], giving grace delay before closing", to_receive, to_send); fd_psm_next_timeout(peer, 0, GRACE_TIMEOUT); peer->p_flags.pf_localterm = 1; } else { /* otherwise, go to CLOSING state, the psm will handle terminating the connection */ CHECK_FCT( fd_psm_change_state(peer, STATE_CLOSING) ); } } return 0; } /* Start disconnection of a peer: send DPR */ int fd_p_dp_initiate(struct fd_peer * peer, char * reason) { struct msg * msg = NULL; struct dict_object * dictobj = NULL; struct avp * avp = NULL; struct dict_enumval_request er; union avp_value val; TRACE_ENTRY("%p %p", peer, reason); /* Create a new DWR instance */ CHECK_FCT( fd_msg_new ( fd_dict_cmd_DPR, MSGFL_ALLOC_ETEID, &msg ) ); /* Add the Origin information */ CHECK_FCT( fd_msg_add_origin ( msg, 0 ) ); /* Add the Disconnect-Cause */ CHECK_FCT( fd_msg_avp_new ( fd_dict_avp_DC, 0, &avp ) ); /* Search the value in the dictionary */ memset(&er, 0, sizeof(er)); CHECK_FCT( fd_dict_search( fd_g_config->cnf_dict, DICT_TYPE, TYPE_OF_AVP, fd_dict_avp_DC, &er.type_obj, ENOENT ) ); er.search.enum_name = reason ?: "REBOOTING"; CHECK_FCT_DO( fd_dict_search( fd_g_config->cnf_dict, DICT_ENUMVAL, ENUMVAL_BY_STRUCT, &er, &dictobj, ENOENT ), { ASSERT(0); /* internal error: unknown reason */ } ); CHECK_FCT( fd_dict_getval( dictobj, &er.search ) ); /* Set the value in the AVP */ val.u32 = er.search.enum_value.u32; CHECK_FCT( fd_msg_avp_setvalue( avp, &val ) ); CHECK_FCT( fd_msg_avp_add( msg, MSG_BRW_LAST_CHILD, avp ) ); /* Save the value also in the peer */ peer->p_hdr.info.runtime.pir_lastDC = val.u32; /* Update the peer state and timer */ CHECK_FCT( fd_psm_change_state(peer, STATE_CLOSING_GRACE) ); fd_psm_next_timeout(peer, 0, DPR_TIMEOUT); /* Now send the DPR message */ CHECK_FCT_DO( fd_out_send(&msg, NULL, peer, 0), /* ignore since we are on timeout anyway */ ); return 0; }