diff options
Diffstat (limited to 'src/libmsc/msc_net_init.c')
| -rw-r--r-- | src/libmsc/msc_net_init.c | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/src/libmsc/msc_net_init.c b/src/libmsc/msc_net_init.c new file mode 100644 index 000000000..51e859595 --- /dev/null +++ b/src/libmsc/msc_net_init.c @@ -0,0 +1,126 @@ +/* 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 "bscconfig.h" + +#include <osmocom/core/tdef.h> + +#include <osmocom/msc/gsm_data.h> +#include <osmocom/msc/vlr.h> +#include <osmocom/msc/gsup_client_mux.h> +#include <osmocom/msc/gsm_04_11_gsup.h> +#include <osmocom/msc/gsm_09_11.h> + +struct osmo_tdef mncc_tdefs[] = { + {} +}; + +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->neighbor_ident_list); + + /* 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_tdefs = mncc_tdefs; + net->mncc_recv = mncc_recv; + + 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; +} + +/* Allocate net->vlr so that the VTY may configure the VLR's data structures */ +int msc_vlr_alloc(struct gsm_network *net) +{ + net->vlr = vlr_alloc(net, &msc_vlr_ops); + if (!net->vlr) + return -ENOMEM; + net->vlr->user_ctx = net; + return 0; +} + +/* Launch the VLR, i.e. its GSUP connection */ +int msc_vlr_start(struct gsm_network *net) +{ + OSMO_ASSERT(net->vlr); + OSMO_ASSERT(net->gcm); + + return vlr_start(net->vlr, net->gcm); +} + +int msc_gsup_client_start(struct gsm_network *net) +{ + struct ipaccess_unit *ipa_dev; + + net->gcm = gsup_client_mux_alloc(net); + OSMO_ASSERT(net->gcm); + + ipa_dev = talloc_zero(net->gcm, struct ipaccess_unit); + ipa_dev->unit_name = "MSC"; + ipa_dev->serno = net->msc_ipa_name; /* NULL unless configured via VTY */ + ipa_dev->swversion = PACKAGE_NAME "-" PACKAGE_VERSION; + + *net->gcm = (struct gsup_client_mux){ + .rx_cb = { + /* vlr.c sets up its own cb and data */ + /* MSC-A and MSC-B set up their own cb and data */ + [OSMO_GSUP_MESSAGE_CLASS_SMS] = { .func = gsm411_gsup_rx, .data = net->vlr }, + [OSMO_GSUP_MESSAGE_CLASS_USSD] = { .func = gsm0911_gsup_rx, .data = net->vlr }, + }, + }; + + return gsup_client_mux_start(net->gcm, net->gsup_server_addr_str, net->gsup_server_port, ipa_dev); +} |