diff options
Diffstat (limited to 'src/libmsc/osmo_msc.c')
| -rw-r--r-- | src/libmsc/osmo_msc.c | 227 |
1 files changed, 0 insertions, 227 deletions
diff --git a/src/libmsc/osmo_msc.c b/src/libmsc/osmo_msc.c deleted file mode 100644 index 5c6f0aa2e..000000000 --- a/src/libmsc/osmo_msc.c +++ /dev/null @@ -1,227 +0,0 @@ -/* main MSC management code... */ - -/* - * (C) 2010,2013 by Holger Hans Peter Freyther <zecke@selfish.org> - * (C) 2010 by On-Waves - * - * All Rights Reserved - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU Affero General Public License as published by - * the Free Software Foundation; either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU Affero General Public License for more details. - * - * You should have received a copy of the GNU Affero General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - * - */ - -#include <osmocom/msc/debug.h> -#include <osmocom/msc/transaction.h> -#include <osmocom/msc/db.h> -#include <osmocom/msc/vlr.h> -#include <osmocom/msc/a_iface.h> -#include <osmocom/msc/gsm_04_08.h> -#include <osmocom/msc/gsm_04_11.h> -#include <osmocom/msc/msc_mgcp.h> - -#include "../../bscconfig.h" -#ifdef BUILD_IU -#include <osmocom/ranap/iu_client.h> -#else -#include <osmocom/msc/iu_dummy.h> -#endif - -struct gsm_network *gsm_network_init(void *ctx, mncc_recv_cb_t mncc_recv) -{ - struct gsm_network *net; - - net = talloc_zero(ctx, struct gsm_network); - if (!net) - return NULL; - - net->plmn = (struct osmo_plmn_id){ .mcc=1, .mnc=1 }; - - /* Permit a compile-time default of A5/3 and A5/1 */ - net->a5_encryption_mask = (1 << 3) | (1 << 1); - - /* Use 30 min periodic update interval as sane default */ - net->t3212 = 5; - - net->mncc_guard_timeout = 180; - net->ncss_guard_timeout = 30; - - net->paging_response_timer = MSC_PAGING_RESPONSE_TIMER_DEFAULT; - - INIT_LLIST_HEAD(&net->trans_list); - INIT_LLIST_HEAD(&net->upqueue); - INIT_LLIST_HEAD(&net->ran_conns); - - /* init statistics */ - net->msc_ctrs = rate_ctr_group_alloc(net, &msc_ctrg_desc, 0); - if (!net->msc_ctrs) { - talloc_free(net); - return NULL; - } - net->active_calls = osmo_counter_alloc("msc.active_calls"); - net->active_nc_ss = osmo_counter_alloc("msc.active_nc_ss"); - - net->mncc_recv = mncc_recv; - - INIT_LLIST_HEAD(&net->a.bscs); - - return net; -} - -void gsm_network_set_mncc_sock_path(struct gsm_network *net, const char *mncc_sock_path) -{ - if (net->mncc_sock_path) - talloc_free(net->mncc_sock_path); - net->mncc_sock_path = mncc_sock_path ? talloc_strdup(net, mncc_sock_path) : NULL; -} - -/* Receive a SAPI-N-REJECT from BSC */ -void ran_conn_sapi_n_reject(struct ran_conn *conn, int dlci) -{ - int sapi = dlci & 0x7; - - if (sapi == UM_SAPI_SMS) - gsm411_sapi_n_reject(conn); -} - -/* receive a Level 3 Complete message. - * Ownership of the conn is completely passed to the conn FSM, i.e. for both acceptance and rejection, - * the conn FSM shall decide when to release this conn. It may already be discarded before this exits. */ -void ran_conn_compl_l3(struct ran_conn *conn, - struct msgb *msg, uint16_t chosen_channel) -{ - ran_conn_get(conn, RAN_CONN_USE_COMPL_L3); - gsm0408_dispatch(conn, msg); - ran_conn_put(conn, RAN_CONN_USE_COMPL_L3); -} - -/* Receive a DTAP message from BSC */ -void ran_conn_dtap(struct ran_conn *conn, struct msgb *msg) -{ - ran_conn_get(conn, RAN_CONN_USE_DTAP); - gsm0408_dispatch(conn, msg); - - ran_conn_put(conn, RAN_CONN_USE_DTAP); -} - -/* Receive an ASSIGNMENT COMPLETE from BSC */ -void msc_assign_compl(struct ran_conn *conn, - uint8_t rr_cause, uint8_t chosen_channel, - uint8_t encr_alg_id, uint8_t speec) -{ - LOGP(DRR, LOGL_DEBUG, "MSC assign complete (do nothing).\n"); -} - -/* Receive an ASSIGNMENT FAILURE from BSC */ -void ran_conn_assign_fail(struct ran_conn *conn, uint8_t cause, uint8_t *rr_cause) -{ - LOGPFSMSL(conn->fi, DRR, LOGL_ERROR, "Assignment Failure: cause=%u rr_cause=%u.\n", - cause, rr_cause ? *rr_cause : 0); - msc_mgcp_ass_fail(conn); -} - -/* Receive a CLASSMARK CHANGE from BSC */ -void ran_conn_classmark_chg(struct ran_conn *conn, - const uint8_t *cm2, uint8_t cm2_len, - const uint8_t *cm3, uint8_t cm3_len) -{ - struct gsm_classmark *cm; - - if (!conn->vsub) - cm = &conn->temporary_classmark; - else - cm = &conn->vsub->classmark; - - if (cm2 && cm2_len) { - if (cm2_len > sizeof(cm->classmark2)) { - LOGP(DRR, LOGL_NOTICE, "%s: classmark2 is %u bytes, truncating at %zu bytes\n", - vlr_subscr_name(conn->vsub), cm2_len, sizeof(cm->classmark2)); - cm2_len = sizeof(cm->classmark2); - } - cm->classmark2_len = cm2_len; - memcpy(cm->classmark2, cm2, cm2_len); - } - if (cm3 && cm3_len) { - if (cm3_len > sizeof(cm->classmark3)) { - LOGP(DRR, LOGL_NOTICE, "%s: classmark3 is %u bytes, truncating at %zu bytes\n", - vlr_subscr_name(conn->vsub), cm3_len, sizeof(cm->classmark3)); - cm3_len = sizeof(cm->classmark3); - } - cm->classmark3_len = cm3_len; - memcpy(cm->classmark3, cm3, cm3_len); - } - - /* bump subscr conn FSM in case it is waiting for a Classmark Update */ - if (conn->fi->state == RAN_CONN_S_WAIT_CLASSMARK_UPDATE) - osmo_fsm_inst_dispatch(conn->fi, RAN_CONN_E_CLASSMARK_UPDATE, NULL); -} - -/* Receive a CIPHERING MODE COMPLETE from BSC */ -void ran_conn_cipher_mode_compl(struct ran_conn *conn, struct msgb *msg, uint8_t alg_id) -{ - struct vlr_ciph_result ciph_res = { .cause = VLR_CIPH_REJECT }; - - if (!conn) { - LOGP(DRR, LOGL_ERROR, "invalid: rx Ciphering Mode Complete on NULL conn\n"); - return; - } - if (!conn->vsub) { - LOGP(DRR, LOGL_ERROR, "invalid: rx Ciphering Mode Complete for NULL subscr\n"); - return; - } - - DEBUGP(DRR, "%s: CIPHERING MODE COMPLETE\n", vlr_subscr_name(conn->vsub)); - - if (msg) { - struct gsm48_hdr *gh = msgb_l3(msg); - unsigned int payload_len = msgb_l3len(msg) - sizeof(*gh); - struct tlv_parsed tp; - uint8_t mi_type; - - if (!gh) { - LOGP(DRR, LOGL_ERROR, "invalid: msgb without l3 header\n"); - return; - } - - tlv_parse(&tp, &gsm48_att_tlvdef, gh->data, payload_len, 0, 0); - - /* bearer capability */ - if (TLVP_PRESENT(&tp, GSM48_IE_MOBILE_ID)) { - mi_type = TLVP_VAL(&tp, GSM48_IE_MOBILE_ID)[0] & GSM_MI_TYPE_MASK; - if (mi_type == GSM_MI_TYPE_IMEISV - && TLVP_LEN(&tp, GSM48_IE_MOBILE_ID) > 0) { - gsm48_mi_to_string(ciph_res.imeisv, sizeof(ciph_res.imeisv), - TLVP_VAL(&tp, GSM48_IE_MOBILE_ID), - TLVP_LEN(&tp, GSM48_IE_MOBILE_ID)); - } - } - } - - conn->geran_encr.alg_id = alg_id; - - ciph_res.cause = VLR_CIPH_COMPL; - vlr_subscr_rx_ciph_res(conn->vsub, &ciph_res); -} - -/* Receive a CLEAR REQUEST from BSC */ -int ran_conn_clear_request(struct ran_conn *conn, uint32_t cause) -{ - ran_conn_close(conn, cause); - return 1; -} - -void msc_stop_paging(struct vlr_subscr *vsub) -{ - DEBUGP(DPAG, "Paging can stop for %s\n", vlr_subscr_name(vsub)); - /* tell BSCs and RNCs to stop paging? How? */ -} |