| /* |
| * (C) 2013 by Andreas Eversberg <jolly@eversberg.eu> |
| * 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 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 <stdio.h> |
| #include <stdlib.h> |
| #include <errno.h> |
| |
| #include <assert.h> |
| |
| #include <osmocom/core/application.h> |
| #include <osmocom/core/select.h> |
| #include <osmocom/core/talloc.h> |
| |
| #include <osmocom/mgcp_client/mgcp_client_endpoint_fsm.h> |
| |
| #include <osmocom/bsc/abis_rsl.h> |
| #include <osmocom/bsc/debug.h> |
| #include <osmocom/bsc/bsc_subscriber.h> |
| #include <osmocom/bsc/lchan_select.h> |
| #include <osmocom/bsc/lchan_fsm.h> |
| #include <osmocom/bsc/handover_decision.h> |
| #include <osmocom/bsc/system_information.h> |
| #include <osmocom/bsc/handover.h> |
| #include <osmocom/bsc/handover_cfg.h> |
| #include <osmocom/bsc/handover_decision_2.h> |
| #include <osmocom/bsc/bss.h> |
| #include <osmocom/bsc/gsm_08_08.h> |
| #include <osmocom/bsc/osmo_bsc.h> |
| #include <osmocom/bsc/bsc_subscr_conn_fsm.h> |
| #include <osmocom/bsc/timeslot_fsm.h> |
| #include <osmocom/bsc/lchan_fsm.h> |
| #include <osmocom/bsc/handover_fsm.h> |
| #include <osmocom/bsc/bsc_msc_data.h> |
| #include <osmocom/bsc/bts.h> |
| #include <osmocom/bsc/paging.h> |
| |
| void *ctx; |
| |
| struct gsm_network *bsc_gsmnet; |
| |
| /* override, requires '-Wl,--wrap=osmo_mgcpc_ep_ci_request'. |
| * Catch modification of an MGCP connection. */ |
| void __real_osmo_mgcpc_ep_ci_request(struct osmo_mgcpc_ep_ci *ci, |
| enum mgcp_verb verb, const struct mgcp_conn_peer *verb_info, |
| struct osmo_fsm_inst *notify, |
| uint32_t event_success, uint32_t event_failure, |
| void *notify_data); |
| void __wrap_osmo_mgcpc_ep_ci_request(struct osmo_mgcpc_ep_ci *ci, |
| enum mgcp_verb verb, const struct mgcp_conn_peer *verb_info, |
| struct osmo_fsm_inst *notify, |
| uint32_t event_success, uint32_t event_failure, |
| void *notify_data) |
| { |
| struct mgcp_conn_peer fake_data = {}; |
| /* All MGCP shall be successful */ |
| if (!notify) |
| return; |
| osmo_fsm_inst_dispatch(notify, event_success, &fake_data); |
| } |
| |
| /* measurement report */ |
| |
| uint8_t meas_rep_ba = 0, meas_rep_valid = 1, meas_valid = 1, meas_multi_rep = 0; |
| uint8_t meas_dl_rxlev = 0, meas_dl_rxqual = 0; |
| uint8_t meas_ul_rxlev = 0, meas_ul_rxqual = 0; |
| uint8_t meas_tx_power_ms = 0, meas_tx_power_bs = 0, meas_ta_ms = 0; |
| uint8_t meas_dtx_ms = 0, meas_dtx_bs = 0, meas_nr = 0; |
| uint8_t meas_num_nc = 0, meas_rxlev_nc[6], meas_bsic_nc[6], meas_bcch_f_nc[6]; |
| |
| static void gen_meas_rep(struct gsm_lchan *lchan) |
| { |
| struct msgb *msg = msgb_alloc_headroom(256, 64, "RSL"); |
| struct abis_rsl_dchan_hdr *dh; |
| uint8_t chan_nr = gsm_lchan2chan_nr(lchan); |
| uint8_t ulm[3], l1i[2], *buf; |
| struct gsm48_hdr *gh; |
| struct gsm48_meas_res *mr; |
| |
| dh = (struct abis_rsl_dchan_hdr *) msgb_put(msg, sizeof(*dh)); |
| dh->c.msg_discr = ABIS_RSL_MDISC_DED_CHAN; |
| dh->c.msg_type = RSL_MT_MEAS_RES; |
| dh->ie_chan = RSL_IE_CHAN_NR; |
| dh->chan_nr = chan_nr; |
| |
| msgb_tv_put(msg, RSL_IE_MEAS_RES_NR, meas_nr++); |
| |
| ulm[0] = meas_ul_rxlev | (meas_dtx_bs << 7); |
| ulm[1] = meas_ul_rxlev; |
| ulm[2] = (meas_ul_rxqual << 3) | meas_ul_rxqual; |
| msgb_tlv_put(msg, RSL_IE_UPLINK_MEAS, sizeof(ulm), ulm); |
| |
| msgb_tv_put(msg, RSL_IE_BS_POWER, meas_tx_power_bs); |
| |
| l1i[0] = 0; |
| l1i[1] = meas_ta_ms; |
| msgb_tv_fixed_put(msg, RSL_IE_L1_INFO, sizeof(l1i), l1i); |
| |
| buf = msgb_put(msg, 3); |
| buf[0] = RSL_IE_L3_INFO; |
| buf[1] = (sizeof(*gh) + sizeof(*mr)) >> 8; |
| buf[2] = (sizeof(*gh) + sizeof(*mr)) & 0xff; |
| |
| gh = (struct gsm48_hdr *) msgb_put(msg, sizeof(*gh)); |
| mr = (struct gsm48_meas_res *) msgb_put(msg, sizeof(*mr)); |
| |
| gh->proto_discr = GSM48_PDISC_RR; |
| gh->msg_type = GSM48_MT_RR_MEAS_REP; |
| |
| /* measurement results */ |
| mr->rxlev_full = meas_dl_rxlev; |
| mr->rxlev_sub = meas_dl_rxlev; |
| mr->rxqual_full = meas_dl_rxqual; |
| mr->rxqual_sub = meas_dl_rxqual; |
| mr->dtx_used = meas_dtx_ms; |
| mr->ba_used = meas_rep_ba; |
| mr->meas_valid = !meas_valid; /* 0 = valid */ |
| if (meas_rep_valid) { |
| mr->no_nc_n_hi = meas_num_nc >> 2; |
| mr->no_nc_n_lo = meas_num_nc & 3; |
| } else { |
| /* no results for serving cells */ |
| mr->no_nc_n_hi = 1; |
| mr->no_nc_n_lo = 3; |
| } |
| mr->rxlev_nc1 = meas_rxlev_nc[0]; |
| mr->rxlev_nc2_hi = meas_rxlev_nc[1] >> 1; |
| mr->rxlev_nc2_lo = meas_rxlev_nc[1] & 1; |
| mr->rxlev_nc3_hi = meas_rxlev_nc[2] >> 2; |
| mr->rxlev_nc3_lo = meas_rxlev_nc[2] & 3; |
| mr->rxlev_nc4_hi = meas_rxlev_nc[3] >> 3; |
| mr->rxlev_nc4_lo = meas_rxlev_nc[3] & 7; |
| mr->rxlev_nc5_hi = meas_rxlev_nc[4] >> 4; |
| mr->rxlev_nc5_lo = meas_rxlev_nc[4] & 15; |
| mr->rxlev_nc6_hi = meas_rxlev_nc[5] >> 5; |
| mr->rxlev_nc6_lo = meas_rxlev_nc[5] & 31; |
| mr->bsic_nc1_hi = meas_bsic_nc[0] >> 3; |
| mr->bsic_nc1_lo = meas_bsic_nc[0] & 7; |
| mr->bsic_nc2_hi = meas_bsic_nc[1] >> 4; |
| mr->bsic_nc2_lo = meas_bsic_nc[1] & 15; |
| mr->bsic_nc3_hi = meas_bsic_nc[2] >> 5; |
| mr->bsic_nc3_lo = meas_bsic_nc[2] & 31; |
| mr->bsic_nc4 = meas_bsic_nc[3]; |
| mr->bsic_nc5 = meas_bsic_nc[4]; |
| mr->bsic_nc6 = meas_bsic_nc[5]; |
| mr->bcch_f_nc1 = meas_bcch_f_nc[0]; |
| mr->bcch_f_nc2 = meas_bcch_f_nc[1]; |
| mr->bcch_f_nc3 = meas_bcch_f_nc[2]; |
| mr->bcch_f_nc4 = meas_bcch_f_nc[3]; |
| mr->bcch_f_nc5_hi = meas_bcch_f_nc[4] >> 1; |
| mr->bcch_f_nc5_lo = meas_bcch_f_nc[4] & 1; |
| mr->bcch_f_nc6_hi = meas_bcch_f_nc[5] >> 2; |
| mr->bcch_f_nc6_lo = meas_bcch_f_nc[5] & 3; |
| |
| msg->dst = lchan->ts->trx->bts->c0->rsl_link; |
| msg->l2h = (unsigned char *)dh; |
| msg->l3h = (unsigned char *)gh; |
| |
| abis_rsl_rcvmsg(msg); |
| } |
| |
| enum gsm_phys_chan_config pchan_from_str(const char *str) |
| { |
| enum gsm_phys_chan_config pchan; |
| if (!strcmp(str, "dyn")) |
| return GSM_PCHAN_TCH_F_TCH_H_PDCH; |
| if (!strcmp(str, "c+s4")) |
| return GSM_PCHAN_CCCH_SDCCH4; |
| if (!strcmp(str, "-")) |
| return GSM_PCHAN_NONE; |
| pchan = gsm_pchan_parse(str); |
| if (pchan < 0) { |
| fprintf(stderr, "Invalid timeslot pchan type: %s\n", str); |
| exit(1); |
| } |
| return pchan; |
| } |
| |
| const char * const bts_default_ts[] = { |
| "c+s4", "TCH/F", "TCH/F", "TCH/F", "TCH/F", "TCH/H", "TCH/H", "-", |
| }; |
| |
| static struct gsm_bts *create_bts(int num_trx, const char * const *ts_args) |
| { |
| static int arfcn = 870; |
| struct gsm_bts *bts; |
| struct e1inp_sign_link *rsl_link; |
| int i; |
| int trx_i; |
| struct gsm_bts_trx *trx; |
| |
| fprintf(stderr, "- Creating BTS %d, %d TRX\n", bsc_gsmnet->num_bts, num_trx); |
| for (trx_i = 0; trx_i < num_trx; trx_i++) { |
| for (i = 0; i < 8; i++) |
| fprintf(stderr, "\t%s", ts_args[8*trx_i + i]); |
| fprintf(stderr, "\n"); |
| } |
| |
| bts = bsc_bts_alloc_register(bsc_gsmnet, GSM_BTS_TYPE_UNKNOWN, 0x3f); |
| if (!bts) { |
| printf("No resource for bts1\n"); |
| return NULL; |
| } |
| |
| bts->location_area_code = 23; |
| bts->c0->arfcn = arfcn++; |
| |
| bts->codec.efr = 1; |
| bts->codec.hr = 1; |
| bts->codec.amr = 1; |
| |
| rsl_link = talloc_zero(ctx, struct e1inp_sign_link); |
| rsl_link->trx = bts->c0; |
| bts->c0->rsl_link = rsl_link; |
| |
| for (trx_i = 0; trx_i < num_trx; trx_i++) { |
| while (!(trx = gsm_bts_trx_num(bts, trx_i))) |
| gsm_bts_trx_alloc(bts); |
| |
| trx->mo.nm_state.operational = NM_OPSTATE_ENABLED; |
| trx->mo.nm_state.availability = NM_AVSTATE_OK; |
| trx->mo.nm_state.administrative = NM_STATE_UNLOCKED; |
| trx->bb_transc.mo.nm_state.operational = NM_OPSTATE_ENABLED; |
| trx->bb_transc.mo.nm_state.availability = NM_AVSTATE_OK; |
| trx->bb_transc.mo.nm_state.administrative = NM_STATE_UNLOCKED; |
| |
| /* 4 full rate and 4 half rate channels */ |
| for (i = 0; i < 8; i++) { |
| trx->ts[i].pchan_from_config = pchan_from_str(ts_args[trx_i * 8 + i]); |
| if (trx->ts[i].pchan_from_config == GSM_PCHAN_NONE) |
| continue; |
| trx->ts[i].mo.nm_state.operational = NM_OPSTATE_ENABLED; |
| trx->ts[i].mo.nm_state.availability = NM_AVSTATE_OK; |
| trx->ts[i].mo.nm_state.administrative = NM_STATE_UNLOCKED; |
| } |
| |
| for (i = 0; i < ARRAY_SIZE(trx->ts); i++) { |
| /* make sure ts->lchans[] get initialized */ |
| osmo_fsm_inst_dispatch(trx->ts[i].fi, TS_EV_RSL_READY, 0); |
| osmo_fsm_inst_dispatch(trx->ts[i].fi, TS_EV_OML_READY, 0); |
| |
| /* Unused dyn TS start out as used for PDCH */ |
| switch (trx->ts[i].pchan_on_init) { |
| case GSM_PCHAN_TCH_F_TCH_H_PDCH: |
| case GSM_PCHAN_TCH_F_PDCH: |
| trx->ts[i].pchan_is = GSM_PCHAN_PDCH; |
| break; |
| default: |
| break; |
| } |
| } |
| } |
| |
| for (i = 0; i < bsc_gsmnet->num_bts; i++) { |
| if (gsm_generate_si(gsm_bts_num(bsc_gsmnet, i), SYSINFO_TYPE_2) <= 0) |
| fprintf(stderr, "Error generating SI2\n"); |
| } |
| return bts; |
| } |
| |
| const char *ts_use_str(struct gsm_bts_trx_ts *ts) |
| { |
| switch (ts->pchan_is) { |
| case GSM_PCHAN_CCCH_SDCCH4: |
| return "c+s4"; |
| |
| case GSM_PCHAN_NONE: |
| return "-"; |
| |
| case GSM_PCHAN_TCH_F: |
| if (lchan_state_is(&ts->lchan[0], LCHAN_ST_ESTABLISHED)) |
| return "TCH/F"; |
| else |
| return "-"; |
| |
| case GSM_PCHAN_TCH_H: |
| if (lchan_state_is(&ts->lchan[0], LCHAN_ST_ESTABLISHED) |
| && lchan_state_is(&ts->lchan[1], LCHAN_ST_ESTABLISHED)) |
| return "TCH/HH"; |
| if (lchan_state_is(&ts->lchan[0], LCHAN_ST_ESTABLISHED)) |
| return "TCH/H-"; |
| if (lchan_state_is(&ts->lchan[1], LCHAN_ST_ESTABLISHED)) |
| return "TCH/-H"; |
| return "-"; |
| |
| default: |
| return gsm_pchan_name(ts->pchan_is); |
| } |
| } |
| |
| bool expect_ts_use(int bts_nr, int trx_nr, const char * const *ts_use) |
| { |
| struct gsm_bts *bts; |
| struct gsm_bts_trx *trx; |
| int i; |
| int mismatching_ts = -1; |
| bts = gsm_bts_num(bsc_gsmnet, bts_nr); |
| OSMO_ASSERT(bts); |
| trx = gsm_bts_trx_num(bts, trx_nr); |
| OSMO_ASSERT(trx); |
| |
| fprintf(stderr, "Expect TS use:"); |
| for (i = 0; i < 8; i++) |
| fprintf(stderr, "\t%s", ts_use[i]); |
| fprintf(stderr, "\n"); |
| fprintf(stderr, " Got TS use:"); |
| |
| for (i = 0; i < 8; i++) { |
| struct gsm_bts_trx_ts *ts = &trx->ts[i]; |
| const char *use = ts_use_str(ts); |
| |
| fprintf(stderr, "\t%s", use); |
| |
| if (!strcmp(ts_use[i], "*")) |
| continue; |
| if (strcmp(ts_use[i], use) && mismatching_ts < 0) |
| mismatching_ts = i; |
| } |
| fprintf(stderr, "\n"); |
| |
| if (mismatching_ts >= 0) { |
| fprintf(stderr, "Test failed: mismatching TS use in bts %d trx %d ts %d\n", |
| bts_nr, trx_nr, mismatching_ts); |
| return false; |
| } |
| return true; |
| } |
| |
| void create_conn(struct gsm_lchan *lchan) |
| { |
| static unsigned int next_imsi = 0; |
| char imsi[sizeof(lchan->conn->bsub->imsi)]; |
| struct gsm_network *net = lchan->ts->trx->bts->network; |
| struct gsm_subscriber_connection *conn; |
| struct mgcp_client *fake_mgcp_client = (void*)talloc_zero(net, int); |
| |
| conn = bsc_subscr_con_allocate(net); |
| |
| conn->user_plane.mgw_endpoint = osmo_mgcpc_ep_alloc(conn->fi, |
| GSCON_EV_FORGET_MGW_ENDPOINT, |
| fake_mgcp_client, |
| net->mgw.tdefs, |
| "test", |
| "fake endpoint"); |
| conn->sccp.msc = osmo_msc_data_alloc(net, 0); |
| |
| lchan->conn = conn; |
| conn->lchan = lchan; |
| |
| /* Make up a new IMSI for this test, for logging the subscriber */ |
| next_imsi ++; |
| snprintf(imsi, sizeof(imsi), "%06u", next_imsi); |
| lchan->conn->bsub = bsc_subscr_find_or_create_by_imsi(net->bsc_subscribers, imsi, BSUB_USE_CONN); |
| |
| /* kick the FSM from INIT through to the ACTIVE state */ |
| osmo_fsm_inst_dispatch(conn->fi, GSCON_EV_MO_COMPL_L3, NULL); |
| osmo_fsm_inst_dispatch(conn->fi, GSCON_EV_A_CONN_CFM, NULL); |
| } |
| |
| struct gsm_lchan *lchan_act(struct gsm_lchan *lchan, int full_rate, const char *codec) |
| { |
| /* serious hack into osmo_fsm */ |
| lchan->fi->state = LCHAN_ST_ESTABLISHED; |
| lchan->ts->fi->state = TS_ST_IN_USE; |
| lchan->type = full_rate ? GSM_LCHAN_TCH_F : GSM_LCHAN_TCH_H; |
| |
| if (lchan->ts->pchan_on_init == GSM_PCHAN_TCH_F_TCH_H_PDCH) |
| lchan->ts->pchan_is = full_rate ? GSM_PCHAN_TCH_F : GSM_PCHAN_TCH_H; |
| if (lchan->ts->pchan_on_init == GSM_PCHAN_TCH_F_PDCH) { |
| OSMO_ASSERT(full_rate); |
| lchan->ts->pchan_is = GSM_PCHAN_TCH_F; |
| } |
| |
| LOG_LCHAN(lchan, LOGL_DEBUG, "activated by handover_test.c\n"); |
| |
| create_conn(lchan); |
| if (!strcasecmp(codec, "FR") && full_rate) |
| lchan->tch_mode = GSM48_CMODE_SPEECH_V1; |
| else if (!strcasecmp(codec, "HR") && !full_rate) |
| lchan->tch_mode = GSM48_CMODE_SPEECH_V1; |
| else if (!strcasecmp(codec, "EFR") && full_rate) |
| lchan->tch_mode = GSM48_CMODE_SPEECH_EFR; |
| else if (!strcasecmp(codec, "AMR")) { |
| lchan->tch_mode = GSM48_CMODE_SPEECH_AMR; |
| lchan->activate.info.s15_s0 = 0x0002; |
| } else { |
| printf("Given codec unknown\n"); |
| exit(EXIT_FAILURE); |
| } |
| |
| lchan->conn->codec_list = (struct gsm0808_speech_codec_list){ |
| .codec = { |
| { .fi=true, .type=GSM0808_SCT_FR1, }, |
| { .fi=true, .type=GSM0808_SCT_FR2, }, |
| { .fi=true, .type=GSM0808_SCT_FR3, }, |
| { .fi=true, .type=GSM0808_SCT_HR1, }, |
| { .fi=true, .type=GSM0808_SCT_HR3, }, |
| }, |
| .len = 5, |
| }; |
| |
| return lchan; |
| } |
| |
| struct gsm_lchan *create_lchan(struct gsm_bts *bts, int full_rate, const char *codec) |
| { |
| struct gsm_lchan *lchan; |
| |
| lchan = lchan_select_by_type(bts, (full_rate) ? GSM_LCHAN_TCH_F : GSM_LCHAN_TCH_H); |
| if (!lchan) { |
| printf("No resource for lchan\n"); |
| exit(EXIT_FAILURE); |
| } |
| |
| return lchan_act(lchan, full_rate, codec); |
| } |
| |
| static void lchan_clear(struct gsm_lchan *lchan) |
| { |
| lchan_release(lchan, true, false, 0); |
| } |
| |
| static void ts_clear(struct gsm_bts_trx_ts *ts) |
| { |
| struct gsm_lchan *lchan; |
| ts_for_each_lchan(lchan, ts) { |
| if (lchan_state_is(lchan, LCHAN_ST_UNUSED)) |
| continue; |
| lchan_clear(lchan); |
| } |
| } |
| |
| bool set_ts_use(int bts_nr, int trx_nr, const char * const *ts_use) |
| { |
| struct gsm_bts *bts; |
| struct gsm_bts_trx *trx; |
| int i; |
| bts = gsm_bts_num(bsc_gsmnet, bts_nr); |
| OSMO_ASSERT(bts); |
| trx = gsm_bts_trx_num(bts, trx_nr); |
| OSMO_ASSERT(trx); |
| |
| fprintf(stderr, "Setting TS use:"); |
| for (i = 0; i < 8; i++) |
| fprintf(stderr, "\t%s", ts_use[i]); |
| fprintf(stderr, "\n"); |
| |
| for (i = 0; i < 8; i++) { |
| struct gsm_bts_trx_ts *ts = &trx->ts[i]; |
| const char *want_use = ts_use[i]; |
| const char *is_use = ts_use_str(ts); |
| |
| if (!strcmp(want_use, "*")) |
| continue; |
| |
| /* If it is already as desired, don't change anything */ |
| if (!strcmp(want_use, is_use)) |
| continue; |
| |
| if (!strcmp(want_use, "TCH/F")) { |
| if (!ts_is_capable_of_pchan(ts, GSM_PCHAN_TCH_F)) { |
| printf("Error: bts %d trx %d ts %d cannot be used as TCH/F\n", |
| bts_nr, trx_nr, i); |
| return false; |
| } |
| ts_clear(ts); |
| |
| lchan_act(&ts->lchan[0], true, "AMR"); |
| } else if (!strcmp(want_use, "TCH/H-") |
| || !strcmp(want_use, "TCH/HH") |
| || !strcmp(want_use, "TCH/-H")) { |
| bool act[2]; |
| int j; |
| |
| if (!ts_is_capable_of_pchan(ts, GSM_PCHAN_TCH_H)) { |
| printf("Error: bts %d trx %d ts %d cannot be used as TCH/H\n", |
| bts_nr, trx_nr, i); |
| return false; |
| } |
| |
| if (ts->pchan_is != GSM_PCHAN_TCH_H) |
| ts_clear(ts); |
| |
| act[0] = want_use[4] == 'H'; |
| act[1] = want_use[5] == 'H'; |
| |
| for (j = 0; j < 2; j++) { |
| if (lchan_state_is(&ts->lchan[j], LCHAN_ST_UNUSED)) { |
| if (act[j]) |
| lchan_act(&ts->lchan[j], false, "AMR"); |
| } else if (!act[j]) |
| lchan_clear(&ts->lchan[j]); |
| } |
| } else if (!strcmp(want_use, "-") || !strcmp(want_use, "PDCH")) { |
| ts_clear(ts); |
| } |
| } |
| return true; |
| } |
| |
| /* parse channel request */ |
| |
| static int got_chan_req = 0; |
| static struct gsm_lchan *chan_req_lchan = NULL; |
| |
| static int parse_chan_act(struct gsm_lchan *lchan, uint8_t *data) |
| { |
| chan_req_lchan = lchan; |
| return 0; |
| } |
| |
| static int parse_chan_rel(struct gsm_lchan *lchan, uint8_t *data) |
| { |
| chan_req_lchan = lchan; |
| return 0; |
| } |
| |
| /* parse handover request */ |
| |
| static int got_ho_req = 0; |
| static struct gsm_lchan *ho_req_lchan = NULL; |
| |
| static int parse_ho_command(struct gsm_lchan *lchan, uint8_t *data, int len) |
| { |
| struct gsm48_hdr *gh = (struct gsm48_hdr *) data; |
| struct gsm48_ho_cmd *ho = (struct gsm48_ho_cmd *) gh->data; |
| int arfcn; |
| struct gsm_bts *neigh; |
| |
| switch (gh->msg_type) { |
| case GSM48_MT_RR_HANDO_CMD: |
| arfcn = (ho->cell_desc.arfcn_hi << 8) | ho->cell_desc.arfcn_lo; |
| |
| /* look up trx. since every dummy bts uses different arfcn and |
| * only one trx, it is simple */ |
| llist_for_each_entry(neigh, &bsc_gsmnet->bts_list, list) { |
| if (neigh->c0->arfcn != arfcn) |
| continue; |
| ho_req_lchan = lchan; |
| return 0; |
| } |
| break; |
| case GSM48_MT_RR_ASS_CMD: |
| ho_req_lchan = lchan; |
| return 0; |
| break; |
| default: |
| fprintf(stderr, "Error, expecting HO or AS command\n"); |
| return -EINVAL; |
| } |
| |
| return -1; |
| } |
| |
| /* send channel activation ack */ |
| static void send_chan_act_ack(struct gsm_lchan *lchan, int act) |
| { |
| struct msgb *msg = msgb_alloc_headroom(256, 64, "RSL"); |
| struct abis_rsl_dchan_hdr *dh; |
| |
| dh = (struct abis_rsl_dchan_hdr *) msgb_put(msg, sizeof(*dh)); |
| dh->c.msg_discr = ABIS_RSL_MDISC_DED_CHAN; |
| dh->c.msg_type = (act) ? RSL_MT_CHAN_ACTIV_ACK : RSL_MT_RF_CHAN_REL_ACK; |
| dh->ie_chan = RSL_IE_CHAN_NR; |
| dh->chan_nr = gsm_lchan2chan_nr(lchan); |
| |
| msg->dst = lchan->ts->trx->bts->c0->rsl_link; |
| msg->l2h = (unsigned char *)dh; |
| |
| abis_rsl_rcvmsg(msg); |
| } |
| |
| /* Send RLL Est Ind for SAPI[0] */ |
| static void send_est_ind(struct gsm_lchan *lchan) |
| { |
| struct msgb *msg = msgb_alloc_headroom(256, 64, "RSL"); |
| struct abis_rsl_rll_hdr *rh; |
| uint8_t chan_nr = gsm_lchan2chan_nr(lchan); |
| |
| rh = (struct abis_rsl_rll_hdr *) msgb_put(msg, sizeof(*rh)); |
| rh->c.msg_discr = ABIS_RSL_MDISC_RLL; |
| rh->c.msg_type = RSL_MT_EST_IND; |
| rh->ie_chan = RSL_IE_CHAN_NR; |
| rh->chan_nr = chan_nr; |
| rh->ie_link_id = RSL_IE_LINK_IDENT; |
| rh->link_id = 0x00; |
| |
| msg->dst = lchan->ts->trx->bts->c0->rsl_link; |
| msg->l2h = (unsigned char *)rh; |
| |
| abis_rsl_rcvmsg(msg); |
| } |
| |
| /* send handover complete */ |
| static void send_ho_complete(struct gsm_lchan *lchan, bool success) |
| { |
| struct msgb *msg = msgb_alloc_headroom(256, 64, "RSL"); |
| struct abis_rsl_rll_hdr *rh; |
| uint8_t chan_nr = gsm_lchan2chan_nr(lchan); |
| uint8_t *buf; |
| struct gsm48_hdr *gh; |
| struct gsm48_ho_cpl *hc; |
| |
| send_est_ind(lchan); |
| osmo_fsm_inst_dispatch(lchan->fi, LCHAN_EV_RTP_READY, 0); |
| |
| rh = (struct abis_rsl_rll_hdr *) msgb_put(msg, sizeof(*rh)); |
| rh->c.msg_discr = ABIS_RSL_MDISC_RLL; |
| rh->c.msg_type = RSL_MT_DATA_IND; |
| rh->ie_chan = RSL_IE_CHAN_NR; |
| rh->chan_nr = chan_nr; |
| rh->ie_link_id = RSL_IE_LINK_IDENT; |
| rh->link_id = 0x00; |
| |
| buf = msgb_put(msg, 3); |
| buf[0] = RSL_IE_L3_INFO; |
| buf[1] = (sizeof(*gh) + sizeof(*hc)) >> 8; |
| buf[2] = (sizeof(*gh) + sizeof(*hc)) & 0xff; |
| |
| gh = (struct gsm48_hdr *) msgb_put(msg, sizeof(*gh)); |
| hc = (struct gsm48_ho_cpl *) msgb_put(msg, sizeof(*hc)); |
| |
| gh->proto_discr = GSM48_PDISC_RR; |
| gh->msg_type = |
| success ? GSM48_MT_RR_HANDO_COMPL : GSM48_MT_RR_HANDO_FAIL; |
| |
| msg->dst = lchan->ts->trx->bts->c0->rsl_link; |
| msg->l2h = (unsigned char *)rh; |
| msg->l3h = (unsigned char *)gh; |
| |
| abis_rsl_rcvmsg(msg); |
| } |
| |
| /* override, requires '-Wl,--wrap=abis_rsl_sendmsg'. |
| * Catch RSL messages sent towards the BTS. */ |
| int __real_abis_rsl_sendmsg(struct msgb *msg); |
| int __wrap_abis_rsl_sendmsg(struct msgb *msg) |
| { |
| struct abis_rsl_dchan_hdr *dh = (struct abis_rsl_dchan_hdr *) msg->data; |
| struct e1inp_sign_link *sign_link = msg->dst; |
| int rc; |
| struct gsm_lchan *lchan = rsl_lchan_lookup(sign_link->trx, dh->chan_nr, &rc); |
| struct gsm_lchan *other_lchan; |
| |
| if (rc) { |
| printf("rsl_lchan_lookup() failed\n"); |
| exit(1); |
| } |
| |
| switch (dh->c.msg_type) { |
| case RSL_MT_CHAN_ACTIV: |
| rc = parse_chan_act(lchan, dh->data); |
| if (rc == 0) |
| got_chan_req = 1; |
| break; |
| case RSL_MT_RF_CHAN_REL: |
| rc = parse_chan_rel(lchan, dh->data); |
| if (rc == 0) |
| send_chan_act_ack(chan_req_lchan, 0); |
| |
| /* send dyn TS back to PDCH if unused */ |
| switch (chan_req_lchan->ts->pchan_on_init) { |
| case GSM_PCHAN_TCH_F_TCH_H_PDCH: |
| case GSM_PCHAN_TCH_F_PDCH: |
| switch (chan_req_lchan->ts->pchan_is) { |
| case GSM_PCHAN_TCH_H: |
| other_lchan = &chan_req_lchan->ts->lchan[ |
| (chan_req_lchan == &chan_req_lchan->ts->lchan[0])? |
| 1 : 0]; |
| if (lchan_state_is(other_lchan, LCHAN_ST_ESTABLISHED)) |
| break; |
| /* else fall thru */ |
| case GSM_PCHAN_TCH_F: |
| chan_req_lchan->ts->pchan_is = GSM_PCHAN_PDCH; |
| break; |
| default: |
| break; |
| } |
| break; |
| default: |
| break; |
| } |
| |
| break; |
| case RSL_MT_DATA_REQ: |
| rc = parse_ho_command(lchan, msg->l3h, msgb_l3len(msg)); |
| if (rc == 0) |
| got_ho_req = 1; |
| break; |
| case RSL_MT_IPAC_CRCX: |
| break; |
| case RSL_MT_DEACTIVATE_SACCH: |
| break; |
| default: |
| printf("unknown rsl message=0x%x\n", dh->c.msg_type); |
| } |
| return 0; |
| } |
| |
| /* test cases */ |
| |
| static char *test_case_0[] = { |
| "2", |
| |
| "Stay in better cell\n\n" |
| "There are many neighbor cells, but only the current cell is the best\n" |
| "cell, so no handover is performed\n", |
| |
| "create-n-bts", "7", |
| "create-ms", "0", "TCH/F", "AMR", |
| "expect-ts-use", "0", "0", "*", "TCH/F", "-", "-", "-", "-", "-", "-", |
| "meas-rep", "0","0","1","0", |
| "30","0", |
| "6", "0","20", "1","21", "2","18", "3","20", "4","23", "5","19", |
| "expect-no-chan", |
| NULL |
| }; |
| |
| static char *test_case_1[] = { |
| "2", |
| |
| "Handover to best better cell\n\n" |
| "The best neighbor cell is selected\n", |
| |
| "create-n-bts", "7", |
| "create-ms", "0", "TCH/F", "AMR", |
| "expect-ts-use", "0", "0", "*", "TCH/F", "-", "-", "-", "-", "-", "-", |
| "meas-rep", "0","0","1","0", |
| "10","0", |
| "6", "0","20", "1","21", "2","18", "3","20", "4","23", "5","19", |
| "expect-chan", "5", "1", |
| "ack-chan", |
| "expect-ho", "0", "1", |
| "ho-complete", |
| "expect-ts-use", "0", "0", "*", "-", "-", "-", "-", "-", "-", "-", |
| "expect-ts-use", "5", "0", "*", "TCH/F", "-", "-", "-", "-", "-", "-", |
| NULL |
| }; |
| |
| static char *test_case_2[] = { |
| "2", |
| |
| "Handover and Assignment must be enabled\n\n" |
| "This test will start with disabled assignment and handover. A\n" |
| "better neighbor cell (assignment enabled) will not be selected and \n" |
| "also no assignment from TCH/H to TCH/F to improve quality. There\n" |
| "will be no handover nor assignment. After enabling assignment on the\n" |
| "current cell, the MS will assign to TCH/F. After enabling handover\n" |
| "in the current cell, but disabling in the neighbor cell, handover\n" |
| "will not be performed, until it is enabled in the neighbor cell too.\n", |
| |
| "create-n-bts", "2", |
| "afs-rxlev-improve", "0", "5", |
| "create-ms", "0", "TCH/H", "AMR", |
| "expect-ts-use", "0", "0", "*", "-", "-", "-", "-", "TCH/H-", "-", "-", |
| "as-enable", "0", "0", |
| "ho-enable", "0", "0", |
| "meas-rep", "0","0","5","0", "0","0", "1","0","30", |
| "expect-no-chan", |
| "as-enable", "0", "1", |
| "meas-rep", "0","0","5","0", "0","0", "1","0","30", |
| "expect-chan", "0", "1", |
| "ack-chan", |
| "expect-ho", "0", "5", |
| "ho-complete", |
| "expect-ts-use", "0", "0", "*", "TCH/F", "-", "-", "-", "-", "-", "-", |
| "ho-enable", "0", "1", |
| "ho-enable", "1", "0", |
| "meas-rep", "0","0","1","0", "0","0", "1","0","30", |
| "expect-no-chan", |
| "ho-enable", "1", "1", |
| "meas-rep", "0","0","1","0", "0","0", "1","0","30", |
| "expect-chan", "1", "1", |
| "ack-chan", |
| "expect-ho", "0", "1", |
| "ho-complete", |
| "expect-ts-use", "0", "0", "*", "-", "-", "-", "-", "-", "-", "-", |
| "expect-ts-use", "1", "0", "*", "TCH/F", "-", "-", "-", "-", "-", "-", |
| NULL |
| }; |
| |
| static char *test_case_3[] = { |
| "2", |
| |
| "Penalty timer must not run\n\n" |
| "The MS will try to handover to a better cell, but this will fail.\n" |
| "Even though the cell is still better, handover will not be performed\n" |
| "due to penalty timer after handover failure\n", |
| |
| "create-n-bts", "2", |
| "create-ms", "0", "TCH/F", "AMR", |
| "expect-ts-use", "0", "0", "*", "TCH/F", "-", "-", "-", "-", "-", "-", |
| "meas-rep", "0","0","1","0", "20","0", "1","0","30", |
| "expect-chan", "1", "1", |
| "ack-chan", |
| "expect-ho", "0", "1", |
| "ho-failed", |
| "expect-ts-use", "0", "0", "*", "TCH/F", "-", "-", "-", "-", "-", "-", |
| "expect-ts-use", "1", "0", "*", "-", "-", "-", "-", "-", "-", "-", |
| "meas-rep", "0","0","1","0", "20","0", "1","0","30", |
| "expect-no-chan", |
| NULL |
| }; |
| |
| static char *test_case_4[] = { |
| "2", |
| |
| "TCH/H keeping with HR codec\n\n" |
| "The MS is using half rate V1 codec, but the better cell is congested\n" |
| "at TCH/H slots. As the congestion is removed, the handover takes\n" |
| "place.\n", |
| |
| "create-n-bts", "2", |
| "set-min-free", "1", "TCH/H", "4", |
| "create-ms", "0", "TCH/H", "HR", |
| "expect-ts-use", "0", "0", "*", "-", "-", "-", "-", "TCH/H-", "-", "-", |
| "meas-rep", "0","0","5","0", "20","0", "1","0","30", |
| "expect-no-chan", |
| "set-min-free", "1", "TCH/H", "3", |
| "meas-rep", "0","0","5","0", "20","0", "1","0","30", |
| "expect-chan", "1", "5", |
| "ack-chan", |
| "expect-ho", "0", "5", |
| "ho-complete", |
| "expect-ts-use", "0", "0", "*", "-", "-", "-", "-", "-", "-", "-", |
| "expect-ts-use", "1", "0", "*", "-", "-", "-", "-", "TCH/H-", "-", "-", |
| NULL |
| }; |
| |
| static char *test_case_5[] = { |
| "2", |
| |
| "TCH/F keeping with FR codec\n\n" |
| "The MS is using full rate V1 codec, but the better cell is congested\n" |
| "at TCH/F slots. As the congestion is removed, the handover takes\n" |
| "place.\n", |
| |
| "create-n-bts", "2", |
| "set-min-free", "1", "TCH/F", "4", |
| "create-ms", "0", "TCH/F", "FR", |
| "expect-ts-use", "0", "0", "*", "TCH/F", "-", "-", "-", "-", "-", "-", |
| "meas-rep", "0","0","1","0", "20","0", "1","0","30", |
| "expect-no-chan", |
| "set-min-free", "1", "TCH/F", "3", |
| "meas-rep", "0","0","1","0", "20","0", "1","0","30", |
| "expect-chan", "1", "1", |
| "ack-chan", |
| "expect-ho", "0", "1", |
| "ho-complete", |
| "expect-ts-use", "0", "0", "*", "-", "-", "-", "-", "-", "-", "-", |
| "expect-ts-use", "1", "0", "*", "TCH/F", "-", "-", "-", "-", "-", "-", |
| NULL |
| }; |
| |
| static char *test_case_6[] = { |
| "2", |
| |
| "TCH/F keeping with EFR codec\n\n" |
| "The MS is using full rate V2 codec, but the better cell is congested\n" |
| "at TCH/F slots. As the congestion is removed, the handover takes\n" |
| "place.\n", |
| |
| "create-n-bts", "2", |
| "set-min-free", "1", "TCH/F", "4", |
| "create-ms", "0", "TCH/F", "EFR", |
| "expect-ts-use", "0", "0", "*", "TCH/F", "-", "-", "-", "-", "-", "-", |
| "meas-rep", "0","0","1","0", "20","0", "1","0","30", |
| "expect-no-chan", |
| "set-min-free", "1", "TCH/F", "3", |
| "meas-rep", "0","0","1","0", "20","0", "1","0","30", |
| "expect-chan", "1", "1", |
| "ack-chan", |
| "expect-ho", "0", "1", |
| "ho-complete", |
| "expect-ts-use", "0", "0", "*", "-", "-", "-", "-", "-", "-", "-", |
| "expect-ts-use", "1", "0", "*", "TCH/F", "-", "-", "-", "-", "-", "-", |
| NULL |
| }; |
| |
| static char *test_case_7[] = { |
| "2", |
| |
| "TCH/F to TCH/H changing with AMR codec\n\n" |
| "The MS is using AMR V3 codec, the better cell is congested at TCH/F\n" |
| "slots. The handover is performed to non-congested TCH/H slots.\n", |
| |
| "create-n-bts", "2", |
| "set-min-free", "1", "TCH/F", "4", |
| "create-ms", "0", "TCH/F", "AMR", |
| "expect-ts-use", "0", "0", "*", "TCH/F", "-", "-", "-", "-", "-", "-", |
| "meas-rep", "0","0","1","0", "20","0", "1","0","30", |
| "expect-chan", "1", "5", |
| "ack-chan", |
| "expect-ho", "0", "1", |
| "ho-complete", |
| "expect-ts-use", "0", "0", "*", "-", "-", "-", "-", "-", "-", "-", |
| "expect-ts-use", "1", "0", "*", "-", "-", "-", "-", "TCH/H-", "-", "-", |
| NULL |
| }; |
| |
| static char *test_case_8[] = { |
| "2", |
| |
| "No handover to a cell with no slots available\n\n" |
| "If no slot is available, no handover is performed\n", |
| |
| "create-n-bts", "2", |
| "create-ms", "0", "TCH/F", "AMR", |
| "expect-ts-use", "0", "0", "*", "TCH/F", "-", "-", "-", "-", "-", "-", |
| "create-ms", "1", "TCH/F", "AMR", |
| "create-ms", "1", "TCH/F", "AMR", |
| "create-ms", "1", "TCH/F", "AMR", |
| "create-ms", "1", "TCH/F", "AMR", |
| "create-ms", "1", "TCH/H", "AMR", |
| "create-ms", "1", "TCH/H", "AMR", |
| "create-ms", "1", "TCH/H", "AMR", |
| "create-ms", "1", "TCH/H", "AMR", |
| "expect-ts-use", "1", "0", "*", "TCH/F", "TCH/F", "TCH/F", "TCH/F", "TCH/HH", "TCH/HH", "-", |
| "meas-rep", "0","0","1","0", "0","0", "1","0","30", |
| "expect-no-chan", |
| NULL |
| }; |
| |
| static char *test_case_9[] = { |
| "2", |
| |
| "No more parallel handovers, if max_unsync_ho is defined\n\n" |
| "There are tree mobiles that want to handover, but only two can do\n" |
| "it at a time, because the maximum number is limited to two.\n", |
| |
| "create-n-bts", "2", |
| "set-max-ho", "1", "2", |
| "create-ms", "0", "TCH/F", "AMR", |
| "create-ms", "0", "TCH/F", "AMR", |
| "create-ms", "0", "TCH/F", "AMR", |
| "expect-ts-use", "0", "0", "*", "TCH/F", "TCH/F", "TCH/F", "-", "-", "-", "-", |
| "meas-rep", "0","0","1","0", "0","0", "1","0","30", |
| "expect-chan", "1", "1", |
| "meas-rep", "0","0","2","0", "0","0", "1","0","30", |
| "expect-chan", "1", "2", |
| "meas-rep", "0","0","3","0", "0","0", "1","0","30", |
| "expect-no-chan", |
| NULL |
| }; |
| |
| static char *test_case_10[] = { |
| "2", |
| |
| "Hysteresis\n\n" |
| "If neighbor cell is better, handover is only performed if the\n" |
| "amount of improvement is greater or equal hyteresis\n", |
| |
| "create-n-bts", "2", |
| "create-ms", "0", "TCH/F", "AMR", |
| "expect-ts-use", "0", "0", "*", "TCH/F", "-", "-", "-", "-", "-", "-", |
| "meas-rep", "0","0","1","0", "27","0", "1","0","30", |
| "expect-no-chan", |
| "meas-rep", "0","0","1","0", "26","0", "1","0","30", |
| "expect-chan", "1", "1", |
| "ack-chan", |
| "expect-ho", "0", "1", |
| "ho-complete", |
| "expect-ts-use", "0", "0", "*", "-", "-", "-", "-", "-", "-", "-", |
| "expect-ts-use", "1", "0", "*", "TCH/F", "-", "-", "-", "-", "-", "-", |
| NULL |
| }; |
| |
| static char *test_case_11[] = { |
| "2", |
| |
| "No Hysteresis and minimum RX level\n\n" |
| "If current cell's RX level is below mimium level, handover must be\n" |
| "performed, no matter of the hysteresis. First do not perform\n" |
| "handover to better neighbor cell, because the hysteresis is not\n" |
| "met. Second do not perform handover because better neighbor cell is\n" |
| "below minimum RX level. Third perform handover because current cell\n" |
| "is below minimum RX level, even if the better neighbor cell (minimum\n" |
| "RX level reached) does not meet the hysteresis.\n", |
| |
| "create-n-bts", "2", |
| "create-ms", "0", "TCH/F", "AMR", |
| "expect-ts-use", "0", "0", "*", "TCH/F", "-", "-", "-", "-", "-", "-", |
| "meas-rep", "0","0","1","0", "10","0", "1","0","11", |
| "expect-no-chan", |
| "meas-rep", "0","0","1","0", "8","0", "1","0","9", |
| "expect-no-chan", |
| "meas-rep", "0","0","1","0", "9","0", "1","0","10", |
| "expect-chan", "1", "1", |
| "ack-chan", |
| "expect-ho", "0", "1", |
| "ho-complete", |
| "expect-ts-use", "0", "0", "*", "-", "-", "-", "-", "-", "-", "-", |
| "expect-ts-use", "1", "0", "*", "TCH/F", "-", "-", "-", "-", "-", "-", |
| NULL |
| }; |
| |
| static char *test_case_12[] = { |
| "2", |
| |
| "No handover to congested cell\n\n" |
| "The better neighbor cell is congested, so no handover is performed.\n" |
| "After the congestion is over, handover will be performed.\n", |
| |
| "create-n-bts", "2", |
| "create-ms", "0", "TCH/F", "AMR", |
| "expect-ts-use", "0", "0", "*", "TCH/F", "-", "-", "-", "-", "-", "-", |
| "set-min-free", "1", "TCH/F", "4", |
| "set-min-free", "1", "TCH/H", "4", |
| "meas-rep", "0","0","1","0", "20","0", "1","0","30", |
| "expect-no-chan", |
| "set-min-free", "1", "TCH/F", "3", |
| "set-min-free", "1", "TCH/H", "3", |
| "meas-rep", "0","0","1","0", "20","0", "1","0","30", |
| "expect-chan", "1", "1", |
| "ack-chan", |
| "expect-ho", "0", "1", |
| "ho-complete", |
| "expect-ts-use", "0", "0", "*", "-", "-", "-", "-", "-", "-", "-", |
| "expect-ts-use", "1", "0", "*", "TCH/F", "-", "-", "-", "-", "-", "-", |
| NULL |
| }; |
| |
| static char *test_case_13[] = { |
| "2", |
| |
| "Handover to balance congestion\n\n" |
| "The current and the better cell are congested, so no handover is\n" |
| "performed. This is because handover would congest the neighbor cell\n" |
| "more. After congestion raises in the current cell, the handover is\n" |
| "performed to balance congestion\n", |
| |
| "create-n-bts", "2", |
| "create-ms", "0", "TCH/F", "AMR", |
| "expect-ts-use", "0", "0", "*", "TCH/F", "-", "-", "-", "-", "-", "-", |
| "set-min-free", "0", "TCH/F", "4", |
| "set-min-free", "0", "TCH/H", "4", |
| "set-min-free", "1", "TCH/F", "4", |
| "set-min-free", "1", "TCH/H", "4", |
| "meas-rep", "0","0","1","0", "20","0", "1","0","30", |
| "expect-no-chan", |
| "create-ms", "0", "TCH/F", "AMR", |
| "expect-ts-use", "0", "0", "*", "TCH/F", "TCH/F", "-", "-", "-", "-", "-", |
| "meas-rep", "0","0","1","0", "20","0", "1","0","30", |
| "expect-chan", "1", "1", |
| "ack-chan", |
| "expect-ho", "0", "1", |
| "ho-complete", |
| "expect-ts-use", "0", "0", "*", "-", "TCH/F", "-", "-", "-", "-", "-", |
| "expect-ts-use", "1", "0", "*", "TCH/F", "-", "-", "-", "-", "-", "-", |
| NULL |
| }; |
| |
| static char *test_case_14[] = { |
| "2", |
| |
| "Handover to congested cell, if RX level is below minimum\n\n" |
| "The better neighbor cell is congested, so no handover is performed.\n" |
| "If the RX level of the current cell drops below minimum acceptable\n" |
| "level, the handover is performed.\n", |
| |
| "create-n-bts", "2", |
| "create-ms", "0", "TCH/F", "AMR", |
| "expect-ts-use", "0", "0", "*", "TCH/F", "-", "-", "-", "-", "-", "-", |
| "set-min-free", "1", "TCH/F", "4", |
| "set-min-free", "1", "TCH/H", "4", |
| "meas-rep", "0","0","1","0", "10","0", "1","0","30", |
| "expect-no-chan", |
| "meas-rep", "0","0","1","0", "9","0", "1","0","30", |
| "expect-chan", "1", "1", |
| "ack-chan", |
| "expect-ho", "0", "1", |
| "ho-complete", |
| "expect-ts-use", "0", "0", "*", "-", "-", "-", "-", "-", "-", "-", |
| "expect-ts-use", "1", "0", "*", "TCH/F", "-", "-", "-", "-", "-", "-", |
| NULL |
| }; |
| |
| static char *test_case_15[] = { |
| "2", |
| |
| "Handover to cell with worse RXLEV, if RXQUAL is below minimum\n\n" |
| "The neighbor cell has worse RXLEV, so no handover is performed.\n" |
| "If the RXQUAL of the current cell drops below minimum acceptable\n" |
| "level, the handover is performed. It is also required that 10\n" |
| "reports are received, before RXQUAL is checked.\n", |
| /* (See also test 28, which tests for RXQUAL triggering HO to congested cell.) */ |
| /* TODO: bad RXQUAL may want to prefer assignment within the same cell to avoid interference. |
| * See Performance Enhancements in a Frequency Hopping GSM Network (Nielsen Wigard 2002), Chapter |
| * 2.1.1, "Interference" in the list of triggers on p.157. */ |
| |
| "create-n-bts", "2", |
| "create-ms", "0", "TCH/F", "AMR", |
| "expect-ts-use", "0", "0", "*", "TCH/F", "-", "-", "-", "-", "-", "-", |
| "meas-rep", "0","0","1","0", "40","6", "1","0","30", |
| "expect-no-chan", |
| "meas-rep", "0","0","1","0", "40","6", "1","0","30", |
| "expect-no-chan", |
| "meas-rep", "0","0","1","0", "40","6", "1","0","30", |
| "expect-no-chan", |
| "meas-rep", "0","0","1","0", "40","6", "1","0","30", |
| "expect-no-chan", |
| "meas-rep", "0","0","1","0", "40","6", "1","0","30", |
| "expect-no-chan", |
| "meas-rep", "0","0","1","0", "40","6", "1","0","30", |
| "expect-no-chan", |
| "meas-rep", "0","0","1","0", "40","6", "1","0","30", |
| "expect-no-chan", |
| "meas-rep", "0","0","1","0", "40","6", "1","0","30", |
| "expect-no-chan", |
| "meas-rep", "0","0","1","0", "40","6", "1","0","30", |
| "expect-no-chan", |
| "meas-rep", "0","0","1","0", "40","6", "1","0","30", |
| "expect-chan", "1", "1", |
| "ack-chan", |
| "expect-ho", "0", "1", |
| "ho-complete", |
| "expect-ts-use", "0", "0", "*", "-", "-", "-", "-", "-", "-", "-", |
| "expect-ts-use", "1", "0", "*", "TCH/F", "-", "-", "-", "-", "-", "-", |
| NULL |
| }; |
| |
| static char *test_case_16[] = { |
| "2", |
| |
| "Handover due to maximum TA exceeded\n\n" |
| "The MS in the current (best) cell has reached maximum allowed timing\n" |
| "advance. No handover is performed until the timing advance exceeds\n" |
| "it. The originating cell is still the best, but no handover is\n" |
| "performed back to that cell, because the penalty timer (due to\n" |
| "maximum allowed timing advance) is running.\n", |
| |
| "create-n-bts", "2", |
| "create-ms", "0", "TCH/F", "AMR", |
| "expect-ts-use", "0", "0", "*", "TCH/F", "-", "-", "-", "-", "-", "-", |
| "set-max-ta", "0", "5", /* of cell */ |
| "set-ta", "0", "5", /* of ms */ |
| "meas-rep", "0","0","1","0", "30","0", "1","0","20", |
| "expect-no-chan", |
| "set-ta", "0", "6", /* of ms */ |
| "meas-rep", "0","0","1","0", "30","0", "1","0","20", |
| "expect-chan", "1", "1", |
| "ack-chan", |
| "expect-ho", "0", "1", |
| "ho-complete", |
| "expect-ts-use", "0", "0", "*", "-", "-", "-", "-", "-", "-", "-", |
| "expect-ts-use", "1", "0", "*", "TCH/F", "-", "-", "-", "-", "-", "-", |
| "meas-rep", "1","0","1","0", "20","0", "1","0","30", |
| "expect-no-chan", |
| NULL |
| }; |
| |
| static char *test_case_17[] = { |
| "2", |
| |
| "Congestion check: No congestion\n\n" |
| "Three cells have different number of used slots, but there is no\n" |
| "congestion in any of these cells. No handover is performed.\n", |
| |
| "create-n-bts", "3", |
| "set-min-free", "0", "TCH/F", "2", |
| "set-min-free", "0", "TCH/H", "2", |
| "set-min-free", "1", "TCH/F", "2", |
| "set-min-free", "1", "TCH/H", "2", |
| "set-min-free", "2", "TCH/F", "2", |
| "set-min-free", "2", "TCH/H", "2", |
| "create-ms", "0", "TCH/F", "AMR", |
| "create-ms", "0", "TCH/F", "AMR", |
| "create-ms", "0", "TCH/H", "AMR", |
| "create-ms", "0", "TCH/H", "AMR", |
| "create-ms", "1", "TCH/F", "AMR", |
| "create-ms", "1", "TCH/H", "AMR", |
| "expect-ts-use", "0", "0", "*", "TCH/F", "TCH/F", "-", "-", "TCH/HH", "-", "-", |
| "expect-ts-use", "1", "0", "*", "TCH/F", "-", "-", "-", "TCH/H-", "-", "-", |
| "meas-rep", "0","0","1","0", "30","0", "2","0","20","1","20", |
| "expect-no-chan", |
| "meas-rep", "0","0","2","0", "30","0", "2","0","20","1","20", |
| "expect-no-chan", |
| "meas-rep", "0","0","5","0", "30","0", "2","0","20","1","20", |
| "expect-no-chan", |
| "meas-rep", "0","0","5","1", "30","0", "2","0","20","1","20", |
| "expect-no-chan", |
| "meas-rep", "1","0","1","0", "30","0", "2","0","20","1","20", |
| "expect-no-chan", |
| "meas-rep", "1","0","5","0", "30","0", "2","0","20","1","20", |
| "expect-no-chan", |
| "congestion-check", |
| "expect-no-chan", |
| "expect-ts-use", "0", "0", "*", "TCH/F", "TCH/F", "-", "-", "TCH/HH", "-", "-", |
| "expect-ts-use", "1", "0", "*", "TCH/F", "-", "-", "-", "TCH/H-", "-", "-", |
| NULL |
| }; |
| |
| static char *test_case_18[] = { |
| "2", |
| |
| "Congestion check: One out of three cells is congested\n\n" |
| "Three cells have different number of used slots, but there is\n" |
| "congestion at TCH/F in the first cell. Handover is performed with\n" |
| "the best candidate.\n", |
| |
| "create-n-bts", "3", |
| "set-min-free", "0", "TCH/F", "2", |
| "set-min-free", "0", "TCH/H", "2", |
| "set-min-free", "1", "TCH/F", "2", |
| "set-min-free", "1", "TCH/H", "2", |
| "set-min-free", "2", "TCH/F", "2", |
| "set-min-free", "2", "TCH/H", "2", |
| "create-ms", "0", "TCH/F", "AMR", |
| "create-ms", "0", "TCH/F", "AMR", |
| "create-ms", "0", "TCH/F", "AMR", |
| "create-ms", "0", "TCH/H", "AMR", |
| "create-ms", "0", "TCH/H", "AMR", |
| "create-ms", "1", "TCH/F", "AMR", |
| "create-ms", "1", "TCH/H", "AMR", |
| "expect-ts-use", "0", "0", "*", "TCH/F", "TCH/F", "TCH/F", "-", "TCH/HH", "-", "-", |
| "expect-ts-use", "1", "0", "*", "TCH/F", "-", "-", "-", "TCH/H-", "-", "-", |
| "meas-rep", "0","0","1","0", "30","0", "2","0","20","1","20", |
| "expect-no-chan", |
| "meas-rep", "0","0","2","0", "30","0", "2","0","20","1","20", |
| "expect-no-chan", |
| "meas-rep", "0","0","3","0", "30","0", "2","0","21","1","20", |
| "expect-no-chan", |
| "meas-rep", "0","0","5","0", "30","0", "2","0","20","1","20", |
| "expect-no-chan", |
| "meas-rep", "0","0","5","1", "30","0", "2","0","20","1","20", |
| "expect-no-chan", |
| "meas-rep", "1","0","1","0", "30","0", "2","0","20","1","20", |
| "expect-no-chan", |
| "meas-rep", "1","0","5","0", "30","0", "2","0","20","1","20", |
| "expect-no-chan", |
| "expect-ts-use", "0", "0", "*", "TCH/F", "TCH/F", "TCH/F", "-", "TCH/HH", "-", "-", |
| "expect-ts-use", "1", "0", "*", "TCH/F", "-", "-", "-", "TCH/H-", "-", "-", |
| "congestion-check", |
| "expect-chan", "1", "2", |
| "ack-chan", |
| "expect-ho", "0", "3", /* best candidate is MS 2 at BTS 0, TS 3 */ |
| "ho-complete", |
| "expect-ts-use", "0", "0", "*", "TCH/F", "TCH/F", "-", "-", "TCH/HH", "-", "-", |
| "expect-ts-use", "1", "0", "*", "TCH/F", "TCH/F", "-", "-", "TCH/H-", "-", "-", |
| NULL |
| }; |
| |
| static char *test_case_19[] = { |
| "2", |
| |
| "Congestion check: Balancing over congested cells\n\n" |
| "Two cells are congested, but the second cell is less congested.\n" |
| "Handover is performed to solve the congestion.\n", |
| |
| "create-n-bts", "2", |
| "set-min-free", "0", "TCH/F", "4", |
| "set-min-free", "1", "TCH/F", "4", |
| "create-ms", "0", "TCH/F", "FR", |
| "create-ms", "0", "TCH/F", "FR", |
| "create-ms", "0", "TCH/F", "FR", |
| "create-ms", "1", "TCH/F", "FR", |
| "expect-ts-use", "0", "0", "*", "TCH/F", "TCH/F", "TCH/F", "-", "-", "-", "-", |
| "expect-ts-use", "1", "0", "*", "TCH/F", "-", "-", "-", "-", "-", "-", |
| "meas-rep", "0","0","1","0", "30","0", "1","0","20", |
| "expect-no-chan", |
| "meas-rep", "0","0","2","0", "30","0", "1","0","21", |
| "expect-no-chan", |
| "meas-rep", "0","0","3","0", "30","0", "1","0","20", |
| "expect-no-chan", |
| "meas-rep", "1","0","1","0", "30","0", "1","0","20", |
| "expect-no-chan", |
| "congestion-check", |
| "expect-chan", "1", "2", |
| "ack-chan", |
| "expect-ho", "0", "2", /* best candidate is MS 1 at BTS 0, TS 2 */ |
| "ho-complete", |
| "expect-ts-use", "0", "0", "*", "TCH/F", "-", "TCH/F", "-", "-", "-", "-", |
| "expect-ts-use", "1", "0", "*", "TCH/F", "TCH/F", "-", "-", "-", "-", "-", |
| NULL |
| }; |
| |
| static char *test_case_20[] = { |
| "2", |
| |
| "Congestion check: Solving congestion by handover TCH/F -> TCH/H\n\n" |
| "Two BTS, one MS in the first congested BTS must handover to\n" |
| "non-congested TCH/H of second BTS, in order to solve congestion\n", |
| "create-n-bts", "2", |
| "set-min-free", "0", "TCH/F", "4", |
| "set-min-free", "0", "TCH/H", "4", |
| "set-min-free", "1", "TCH/F", "4", |
| "create-ms", "0", "TCH/F", "AMR", |
| "expect-ts-use", "0", "0", "*", "TCH/F", "-", "-", "-", "-", "-", "-", |
| "meas-rep", "0","0","1","0", "30","0", "1","0","30", |
| "expect-no-chan", |
| "congestion-check", |
| "expect-chan", "1", "5", |
| "ack-chan", |
| "expect-ho", "0", "1", |
| "ho-complete", |
| "expect-ts-use", "0", "0", "*", "-", "-", "-", "-", "-", "-", "-", |
| "expect-ts-use", "1", "0", "*", "-", "-", "-", "-", "TCH/H-", "-", "-", |
| NULL |
| }; |
| |
| static char *test_case_21[] = { |
| "2", |
| |
| "Congestion check: Balancing congestion by handover TCH/F -> TCH/H\n\n" |
| "Two BTS, one MS in the first congested BTS must handover to\n" |
| "less-congested TCH/H of second BTS, in order to balance congestion\n", |
| "create-n-bts", "2", |
| "set-min-free", "0", "TCH/F", "4", |
| "set-min-free", "0", "TCH/H", "4", |
| "set-min-free", "1", "TCH/F", "4", |
| "set-min-free", "1", "TCH/H", "4", |
| "create-ms", "0", "TCH/F", "AMR", |
| "create-ms", "0", "TCH/F", "AMR", |
| "create-ms", "0", "TCH/H", "AMR", |
| "expect-ts-use", "0", "0", "*", "TCH/F", "TCH/F", "-", "-", "TCH/H-", "-", "-", |
| "meas-rep", "0","0","1","0", "30","0", "1","0","30", |
| "expect-no-chan", |
| "congestion-check", |
| "expect-chan", "1", "1", |
| "ack-chan", |
| "expect-ho", "0", "1", |
| "ho-complete", |
| "expect-ts-use", "0", "0", "*", "-", "TCH/F", "-", "-", "TCH/H-", "-", "-", |
| "expect-ts-use", "1", "0", "*", "TCH/F", "-", "-", "-", "-", "-", "-", |
| NULL |
| }; |
| |
| static char *test_case_22[] = { |
| "2", |
| |
| "Congestion check: Upgrading worst candidate from TCH/H -> TCH/F\n\n" |
| "There is only one BTS. The TCH/H slots are congested. Since\n" |
| "assignment is performed to less-congested TCH/F, the candidate with\n" |
| "the worst RX level is chosen.\n", |
| |
| "create-n-bts", "1", |
| "set-min-free", "0", "TCH/F", "4", |
| "set-min-free", "0", "TCH/H", "4", |
| "create-ms", "0", "TCH/H", "AMR", |
| "create-ms", "0", "TCH/H", "AMR", |
| "create-ms", "0", "TCH/H", "AMR", |
| "expect-ts-use", "0", "0", "*", "-", "-", "-", "-", "TCH/HH", "TCH/H-", "-", |
| "meas-rep", "0","0","5","0", "30","0", "0", |
| "meas-rep", "0","0","5","1", "34","0", "0", |
| "meas-rep", "0","0","6","0", "20","0", "0", |
| "expect-no-chan", |
| "congestion-check", |
| "expect-chan", "0", "1", |
| "ack-chan", |
| "expect-ho", "0", "6", |
| "ho-complete", |
| "expect-ts-use", "0", "0", "*", "TCH/F", "-", "-", "-", "TCH/HH", "-", "-", |
| NULL |
| }; |
| |
| static char *test_case_23[] = { |
| "2", |
| |
| "Story: 'A neighbor is your friend'\n", |
| |
| "create-n-bts", "3", |
| |
| "print", |
| "Andreas is driving along the coast, on a sunny june afternoon.\n" |
| "Suddenly he is getting a call from his friend and neighbor Axel.\n" |
| "\n" |
| "What happens: Two MS are created, #0 for Axel, #1 for Andreas.", |
| /* Axel */ |
| "create-ms", "2", "TCH/F", "AMR", |
| /* andreas */ |
| "create-ms", "0", "TCH/F", "AMR", |
| "expect-ts-use", "0", "0", "*", "TCH/F", "-", "-", "-", "-", "-", "-", |
| "expect-ts-use", "1", "0", "*", "-", "-", "-", "-", "-", "-", "-", |
| "expect-ts-use", "2", "0", "*", "TCH/F", "-", "-", "-", "-", "-", "-", |
| "meas-rep", "0","0","1","0", "40","0", "1","0","30", |
| "expect-no-chan", |
| |
| "print", |
| "Axel asks Andreas if he would like to join them for a barbecue.\n" |
| "Axel's house is right in the neighborhood and the weather is fine.\n" |
| "Andreas agrees, so he drives to a close store to buy some barbecue\n" |
| "skewers.\n" |
| "\n" |
| "What happens: While driving, a different cell (mounted atop the\n" |
| "store) becomes better.", |
| /* drive to bts 1 */ |
| "meas-rep", "0","0","1","0", "20","0", "1","0","35", |
| "expect-chan", "1", "1", |
| "ack-chan", |
| "expect-ho", "0", "1", |
| "ho-complete", |
| "expect-ts-use", "0", "0", "*", "-", "-", "-", "-", "-", "-", "-", |
| "expect-ts-use", "1", "0", "*", "TCH/F", "-", "-", "-", "-", "-", "-", |
| "expect-ts-use", "2", "0", "*", "TCH/F", "-", "-", "-", "-", "-", "-", |
| |
| "print", |
| "While Andreas is walking into the store, Axel asks, if he could also\n" |
| "bring some beer. Andreas has problems understanding him: \"I have a\n" |
| "bad reception here. The cell tower is right atop the store, but poor\n" |
| "coverage inside. Can you repeat please?\"\n" |
| "\n" |
| "What happens: Inside the store the close cell is so bad, that\n" |
| "handover back to the previous cell is required.", |
| /* bts 1 becomes bad, so bts 0 helps out */ |
| "meas-rep", "1","0","1","0", "5","0", "1","0","20", |
| "expect-chan", "0", "1", |
| "ack-chan", |
| "expect-ho", "1", "1", |
| "ho-complete", |
| "expect-ts-use", "0", "0", "*", "TCH/F", "-", "-", "-", "-", "-", "-", |
| "expect-ts-use", "1", "0", "*", "-", "-", "-", "-", "-", "-", "-", |
| "expect-ts-use", "2", "0", "*", "TCH/F", "-", "-", "-", "-", "-", "-", |
| |
| "print", |
| "After Andreas bought skewers and beer, he leaves the store.\n" |
| "\n" |
| "What happens: Outside the store the close cell is better again, so\n" |
| "handover back to the that cell is performed.", |
| /* bts 1 becomes better again */ |
| "meas-rep", "0","0","1","0", "20","0", "1","0","35", |
| "expect-chan", "1", "1", |
| "ack-chan", |
| "expect-ho", "0", "1", |
| "ho-complete", |
| "expect-ts-use", "0", "0", "*", "-", "-", "-", "-", "-", "-", "-", |
| "expect-ts-use", "1", "0", "*", "TCH/F", "-", "-", "-", "-", "-", "-", |
| "expect-ts-use", "2", "0", "*", "TCH/F", "-", "-", "-", "-", "-", "-", |
| |
| "print", |
| /* bts 2 becomes better */ |
| "Andreas drives down to the lake where Axel's house is.\n" |
| "\n" |
| "What happens: There is a small cell at Axel's house, which becomes\n" |
| "better, because the current cell has no good comverage at the lake.", |
| "meas-rep", "1","0","1","0", "14","0", "2","0","2","1","63", |
| "expect-chan", "2", "2", |
| "ack-chan", |
| "expect-ho", "1", "1", |
| "ho-complete", |
| "expect-ts-use", "0", "0", "*", "-", "-", "-", "-", "-", "-", "-", |
| "expect-ts-use", "1", "0", "*", "-", "-", "-", "-", "-", "-", "-", |
| "expect-ts-use", "2", "0", "*", "TCH/F", "TCH/F", "-", "-", "-", "-", "-", |
| |
| "print", |
| "Andreas wonders why he still has good radio coverage: \"Last time it\n" |
| "was so bad\". Axel says: \"I installed a pico cell in my house,\n" |
| "now we can use our mobile phones down here at the lake.\"", |
| |
| NULL |
| }; |
| |
| static char *test_case_24[] = { |
| "2", |
| "No (or not enough) measurements for handover\n\n" |
| "Do not solve congestion in cell, because there is no measurement.\n" |
| "As soon as enough measurements available (1 in our case), perform\n" |
| "handover. Afterwards the old cell becomes congested and the new\n" |
| "cell is not. Do not perform handover until new measurements are\n" |
| "received.\n", |
| |
| /* two cells, first in congested, but no handover */ |
| "create-n-bts", "2", |
| "set-min-free", "0", "TCH/F", "4", |
| "set-min-free", "0", "TCH/H", "4", |
| "create-ms", "0", "TCH/F", "AMR", |
| "congestion-check", |
| "expect-no-chan", |
| "expect-ts-use", "0", "0", "*", "TCH/F", "-", "-", "-", "-", "-", "-", |
| |
| /* send measurement and trigger congestion check */ |
| "meas-rep", "0","0","1","0", "20","0", "1","0","20", |
| "expect-no-chan", |
| "congestion-check", |
| "expect-chan", "1", "1", |
| "ack-chan", |
| "expect-ho", "0", "1", |
| "ho-complete", |
| "expect-ts-use", "0", "0", "*", "-", "-", "-", "-", "-", "-", "-", |
| "expect-ts-use", "1", "0", "*", "TCH/F", "-", "-", "-", "-", "-", "-", |
| |
| /* congest the first cell and remove congestion from second cell */ |
| "set-min-free", "0", "TCH/F", "0", |
| "set-min-free", "0", "TCH/H", "0", |
| "set-min-free", "1", "TCH/F", "4", |
| "set-min-free", "1", "TCH/H", "4", |
| |
| /* no handover until measurements applied */ |
| "congestion-check", |
| "expect-no-chan", |
| "meas-rep", "1","0","1","0", "20","0", "1","0","20", |
| "expect-no-chan", |
| "congestion-check", |
| "expect-chan", "0", "1", |
| "ack-chan", |
| "expect-ho", "1", "1", |
| "ho-complete", |
| "expect-ts-use", "0", "0", "*", "TCH/F", "-", "-", "-", "-", "-", "-", |
| "expect-ts-use", "1", "0", "*", "-", "-", "-", "-", "-", "-", "-", |
| NULL |
| }; |
| |
| static char *test_case_25[] = { |
| "1", |
| |
| "Stay in better cell\n\n" |
| "There are many neighbor cells, but only the current cell is the best\n" |
| "cell, so no handover is performed\n", |
| |
| "create-n-bts", "7", |
| "create-ms", "0", "TCH/F", "AMR", |
| "expect-ts-use", "0", "0", "*", "TCH/F", "-", "-", "-", "-", "-", "-", |
| "meas-rep", "0","0","1","0", "30","0", |
| "6","0","20","1","21","2","18","3","20","4","23","5","19", |
| "expect-no-chan", |
| NULL |
| }; |
| |
| static char *test_case_26[] = { |
| "1", |
| |
| "Handover to best better cell\n\n" |
| "The best neighbor cell is selected\n", |
| |
| "create-n-bts", "7", |
| "create-ms", "0", "TCH/F", "AMR", |
| "expect-ts-use", "0", "0", "*", "TCH/F", "-", "-", "-", "-", "-", "-", |
| "meas-rep", "0","0","1","0", "10","0", |
| "6","0","20","1","21","2","18","3","20","4","23","5","19", |
| "expect-chan", "5", "1", |
| "ack-chan", |
| "expect-ho", "0", "1", |
| "ho-complete", |
| "expect-ts-use", "0", "0", "*", "-", "-", "-", "-", "-", "-", "-", |
| "expect-ts-use", "5", "0", "*", "TCH/F", "-", "-", "-", "-", "-", "-", |
| NULL |
| }; |
| |
| static char *test_case_27[] = { |
| "2", |
| |
| "Congestion check: Upgrading worst candidate from TCH/H -> TCH/F\n\n" |
| "There is only one BTS. The TCH/H slots are congested. Since\n" |
| "assignment is performed to less-congested TCH/F, the candidate with\n" |
| "the worst RX level is chosen. (So far like test 22.)\n" |
| "After that, trigger more congestion checks to ensure stability.\n", |
| |
| "create-n-bts", "1", |
| "set-min-free", "0", "TCH/F", "2", |
| "set-min-free", "0", "TCH/H", "4", |
| "create-ms", "0", "TCH/H", "AMR", |
| "create-ms", "0", "TCH/H", "AMR", |
| "create-ms", "0", "TCH/H", "AMR", |
| "expect-ts-use", "0", "0", "*", "-", "-", "-", "-", "TCH/HH", "TCH/H-", "-", |
| "meas-rep", "0","0","5","0", "30","0", "0", |
| "meas-rep", "0","0","5","1", "34","0", "0", |
| "meas-rep", "0","0","6","0", "20","0", "0", |
| "expect-no-chan", |
| "congestion-check", |
| "expect-chan", "0", "1", |
| "ack-chan", |
| "expect-ho", "0", "6", |
| "ho-complete", |
| "expect-ts-use", "0", "0", "*", "TCH/F", "-", "-", "-", "TCH/HH", "-", "-", |
| "congestion-check", |
| "expect-chan", "0", "2", |
| "ack-chan", |
| "expect-ho", "0", "5", |
| "ho-complete", |
| "expect-ts-use", "0", "0", "*", "TCH/F", "TCH/F", "-", "-", "TCH/-H", "-", "-", |
| "congestion-check", |
| "expect-no-chan", |
| "congestion-check", |
| "expect-no-chan", |
| NULL |
| }; |
| |
| static char *test_case_28[] = { |
| "2", |
| |
| "Handover to congested cell, if RX quality is below minimum\n\n" |
| "The better neighbor cell is congested, so no handover is performed.\n" |
| "If the RX quality of the current cell drops below minimum acceptable\n" |
| "level, the handover is performed. It is also required that 10\n" |
| "resports are received, before RX quality is checked.\n", |
| |
| "create-n-bts", "2", |
| "create-ms", "0", "TCH/F", "AMR", |
| "expect-ts-use", "0", "0", "*", "TCH/F", "-", "-", "-", "-", "-", "-", |
| "set-min-free", "1", "TCH/F", "4", |
| "set-min-free", "1", "TCH/H", "4", |
| "meas-rep", "0","0","1","0", "30","6", "1","0","40", |
| "expect-no-chan", |
| "meas-rep", "0","0","1","0", "30","6", "1","0","40", |
| "expect-no-chan", |
| "meas-rep", "0","0","1","0", "30","6", "1","0","40", |
| "expect-no-chan", |
| "meas-rep", "0","0","1","0", "30","6", "1","0","40", |
| "expect-no-chan", |
| "meas-rep", "0","0","1","0", "30","6", "1","0","40", |
| "expect-no-chan", |
| "meas-rep", "0","0","1","0", "30","6", "1","0","40", |
| "expect-no-chan", |
| "meas-rep", "0","0","1","0", "30","6", "1","0","40", |
| "expect-no-chan", |
| "meas-rep", "0","0","1","0", "30","6", "1","0","40", |
| "expect-no-chan", |
| "meas-rep", "0","0","1","0", "30","6", "1","0","40", |
| "expect-no-chan", |
| "meas-rep", "0","0","1","0", "30","6", "1","0","40", |
| "expect-chan", "1", "1", |
| "ack-chan", |
| "expect-ho", "0", "1", |
| "ho-complete", |
| "expect-ts-use", "0", "0", "*", "-", "-", "-", "-", "-", "-", "-", |
| "expect-ts-use", "1", "0", "*", "TCH/F", "-", "-", "-", "-", "-", "-", |
| NULL |
| }; |
| |
| static char *test_case_29[] = { |
| "2", |
| |
| "Congestion check: Balancing congestion by handover TCH/F -> TCH/H\n\n" |
| "One BTS, and TCH/F are considered congested, TCH/H are not.\n" |
| , |
| "create-n-bts", "1", |
| "set-min-free", "0", "TCH/F", "3", |
| "set-min-free", "0", "TCH/H", "0", |
| "create-ms", "0", "TCH/F", "AMR", |
| "create-ms", "0", "TCH/F", "AMR", |
| "create-ms", "0", "TCH/H", "AMR", |
| "expect-ts-use", "0", "0", "*", "TCH/F", "TCH/F", "-", "-", "TCH/H-", "-", "-", |
| "meas-rep", "0","0","1","0", "30","0", "1","0","30", |
| "expect-no-chan", |
| "congestion-check", |
| "expect-chan", "0", "5", |
| "ack-chan", |
| "expect-ho", "0", "1", |
| "ho-complete", |
| "expect-ts-use", "0", "0", "*", "-", "TCH/F", "-", "-", "TCH/HH", "-", "-", |
| NULL |
| }; |
| |
| static char *test_case_30[] = { |
| "2", |
| |
| "Congestion check: Balancing congestion by handover TCH/F -> TCH/H\n\n" |
| "With dynamic timeslots.\n" |
| "As soon as only one TCH/F is left, there should be HO to a dyn TS.\n" |
| , |
| "create-bts", "1", "c+s4", "TCH/F", "TCH/F", "TCH/F", "dyn", "dyn", "dyn", "PDCH", |
| "set-min-free", "0", "TCH/F", "2", |
| "set-min-free", "0", "TCH/H", "0", |
| "as-enable", "0", "1", |
| "set-ts-use", "0", "0", "*", "TCH/F", "TCH/F", "TCH/F", "TCH/F", "PDCH", "PDCH", "PDCH", |
| "meas-rep", "0","0","1","0", "40","0", "1", "0","30", |
| "meas-rep", "0","0","2","0", "40","0", "1", "0","30", |
| "meas-rep", "0","0","3","0", "40","0", "1", "0","30", |
| "meas-rep", "0","0","4","0", "40","0", "1", "0","30", |
| "congestion-check", |
| "expect-no-chan", |
| "create-ms", "0", "TCH/F", "AMR", |
| "meas-rep", "0","0","5","0", "40","0", "1", "0","30", |
| "expect-ts-use", "0", "0", "*", "TCH/F", "TCH/F", "TCH/F", "TCH/F", "TCH/F", "PDCH", "PDCH", |
| "congestion-check", |
| "expect-chan", "0", "6", |
| "ack-chan", |
| "expect-ho", "0", "5", |
| "ho-complete", |
| "expect-ts-use", "0", "0", "*", "TCH/F", "TCH/F", "TCH/F", "TCH/F", "PDCH", "TCH/H-", "PDCH", |
| "congestion-check", |
| "expect-chan", "0", "6", |
| "ack-chan", |
| "expect-ho", "0", "4", |
| "ho-complete", |
| "expect-ts-use", "0", "0", "*", "TCH/F", "TCH/F", "TCH/F", "PDCH", "PDCH", "TCH/HH", "PDCH", |
| "congestion-check", |
| "expect-no-chan", |
| "create-ms", "0", "TCH/F", "AMR", |
| "meas-rep", "0","0","4","0", "40","0", "1", "0","30", |
| "expect-ts-use", "0", "0", "*", "TCH/F", "TCH/F", "TCH/F", "TCH/F", "PDCH", "TCH/HH", "PDCH", |
| "congestion-check", |
| "expect-chan", "0", "5", |
| "ack-chan", |
| "expect-ho", "0", "4", |
| "ho-complete", |
| "expect-ts-use", "0", "0", "*", "TCH/F", "TCH/F", "TCH/F", "PDCH", "TCH/H-", "TCH/HH", "PDCH", |
| "congestion-check", |
| "expect-chan", "0", "5", |
| "ack-chan", |
| "expect-ho", "0", "1", |
| "ho-complete", |
| "expect-ts-use", "0", "0", "*", "-", "TCH/F", "TCH/F", "PDCH", "TCH/HH", "TCH/HH", "PDCH", |
| "congestion-check", |
| "expect-no-chan", |
| "create-ms", "0", "TCH/F", "AMR", |
| "meas-rep", "0","0","1","0", "40","0", "1", "0","30", |
| "expect-ts-use", "0", "0", "*", "TCH/F", "TCH/F", "TCH/F", "PDCH", "TCH/HH", "TCH/HH", "PDCH", |
| "congestion-check", |
| "expect-chan", "0", "4", |
| "ack-chan", |
| "expect-ho", "0", "1", |
| "ho-complete", |
| "expect-ts-use", "0", "0", "*", "-", "TCH/F", "TCH/F", "TCH/H-", "TCH/HH", "TCH/HH", "PDCH", |
| "congestion-check", |
| "expect-chan", "0", "4", |
| "ack-chan", |
| "expect-ho", "0", "2", |
| "ho-complete", |
| "expect-ts-use", "0", "0", "*", "-", "-", "TCH/F", "TCH/HH", "TCH/HH", "TCH/HH", "PDCH", |
| "congestion-check", |
| "expect-no-chan", |
| "create-ms", "0", "TCH/F", "AMR", |
| "meas-rep", "0","0","1","0", "40","0", "1", "0","30", |
| "expect-ts-use", "0", "0", "*", "TCH/F", "-", "TCH/F", "TCH/HH", "TCH/HH", "TCH/HH", "PDCH", |
| "congestion-check", |
| "expect-no-chan", |
| "create-ms", "0", "TCH/F", "AMR", |
| "meas-rep", "0","0","2","0", "40","0", "1", "0","30", |
| "expect-ts-use", "0", "0", "*", "TCH/F", "TCH/F", "TCH/F", "TCH/HH", "TCH/HH", "TCH/HH", "PDCH", |
| "congestion-check", |
| "expect-no-chan", |
| NULL |
| }; |
| |
| static char *test_case_31[] = { |
| "2", |
| |
| "Congestion check: re-use half used TCH/H to avoid switching more dyn TS to TCH/H\n" |
| , |
| "create-bts", "1", "c+s4", "TCH/F", "TCH/F", "TCH/F", "dyn", "dyn", "dyn", "PDCH", |
| "set-ts-use", "0", "0", "*", "-", "-", "-", "PDCH", "TCH/H-", "PDCH", "PDCH", |
| "create-ms", "0", "TCH/H", "AMR", |
| "expect-ts-use", "0", "0", "*", "-", "-", "-", "PDCH", "TCH/HH", "PDCH", "PDCH", |
| NULL |
| }; |
| |
| static char *test_case_32[] = { |
| "2", |
| |
| "Congestion check: favor moving a TCH/H that frees a half-used dyn TS completely\n" |
| , |
| "create-bts", "1", "c+s4", "dyn", "dyn", "dyn", "dyn", "dyn", "-", "-", |
| "set-ts-use", "0", "0", "*", "PDCH", "TCH/HH", "TCH/H-", "TCH/HH", "PDCH", "-", "-", |
| "meas-rep", "0","0","2","1", "30","0", "0", |
| "meas-rep", "0","0","3","0", "30","0", "0", |
| "meas-rep", "0","0","4","0", "30","0", "0", |
| "meas-rep", "0","0","4","1", "30","0", "0", |
| /* pick one to move */ |
| "set-min-free", "0", "TCH/H", "6", |
| "congestion-check", |
| "expect-chan", "0", "1", |
| "ack-chan", |
| /* Not so good: should move the half-used TCH/H instead of "halving" another dyn TS */ |
| "expect-ho", "0", "4", |
| "ho-complete", |
| "expect-ts-use", "0", "0", "*", "TCH/F", "TCH/HH", "TCH/H-", "TCH/H-", "PDCH", "-", "-", |
| NULL |
| }; |
| |
| static char **test_cases[] = { |
| test_case_0, |
| test_case_1, |
| test_case_2, |
| test_case_3, |
| test_case_4, |
| test_case_5, |
| test_case_6, |
| test_case_7, |
| test_case_8, |
| test_case_9, |
| test_case_10, |
| test_case_11, |
| test_case_12, |
| test_case_13, |
| test_case_14, |
| test_case_15, |
| test_case_16, |
| test_case_17, |
| test_case_18, |
| test_case_19, |
| test_case_20, |
| test_case_21, |
| test_case_22, |
| test_case_23, |
| test_case_24, |
| test_case_25, |
| test_case_26, |
| test_case_27, |
| test_case_28, |
| test_case_29, |
| test_case_30, |
| test_case_31, |
| test_case_32, |
| }; |
| |
| static const struct log_info_cat log_categories[] = { |
| [DHO] = { |
| .name = "DHO", |
| .description = "Hand-Over Process", |
| .color = "\033[1;38m", |
| .enabled = 1, .loglevel = LOGL_DEBUG, |
| }, |
| [DHODEC] = { |
| .name = "DHODEC", |
| .description = "Hand-Over Decision", |
| .color = "\033[1;38m", |
| .enabled = 1, .loglevel = LOGL_DEBUG, |
| }, |
| [DMEAS] = { |
| .name = "DMEAS", |
| .description = "Radio Measurement Processing", |
| .enabled = 1, .loglevel = LOGL_DEBUG, |
| }, |
| [DREF] = { |
| .name = "DREF", |
| .description = "Reference Counting", |
| .enabled = 1, .loglevel = LOGL_DEBUG, |
| }, |
| [DRSL] = { |
| .name = "DRSL", |
| .description = "A-bis Radio Signalling Link (RSL)", |
| .color = "\033[1;35m", |
| .enabled = 1, .loglevel = LOGL_DEBUG, |
| }, |
| [DRR] = { |
| .name = "DRR", |
| .description = "RR", |
| .color = "\033[1;35m", |
| .enabled = 1, .loglevel = LOGL_DEBUG, |
| }, |
| [DRLL] = { |
| .name = "DRLL", |
| .description = "RLL", |
| .color = "\033[1;35m", |
| .enabled = 1, .loglevel = LOGL_DEBUG, |
| }, |
| [DMSC] = { |
| .name = "DMSC", |
| .description = "Mobile Switching Center", |
| .enabled = 1, .loglevel = LOGL_DEBUG, |
| }, |
| [DCHAN] = { |
| .name = "DCHAN", |
| .description = "lchan FSM", |
| .color = "\033[1;32m", |
| .enabled = 1, .loglevel = LOGL_DEBUG, |
| }, |
| [DTS] = { |
| .name = "DTS", |
| .description = "timeslot FSM", |
| .color = "\033[1;31m", |
| .enabled = 1, .loglevel = LOGL_DEBUG, |
| }, |
| [DAS] = { |
| .name = "DAS", |
| .description = "assignment FSM", |
| .color = "\033[1;33m", |
| .enabled = 1, .loglevel = LOGL_DEBUG, |
| }, |
| }; |
| |
| const struct log_info log_info = { |
| .cat = log_categories, |
| .num_cat = ARRAY_SIZE(log_categories), |
| }; |
| |
| struct gsm_bts *bts_by_num_str(const char *num_str) |
| { |
| struct gsm_bts *bts = gsm_bts_num(bsc_gsmnet, atoi(num_str)); |
| OSMO_ASSERT(bts); |
| return bts; |
| } |
| |
| int main(int argc, char **argv) |
| { |
| char **test_case; |
| int i; |
| int algorithm; |
| int test_case_i; |
| int last_test_i; |
| |
| ctx = talloc_named_const(NULL, 0, "handover_test"); |
| msgb_talloc_ctx_init(ctx, 0); |
| |
| test_case_i = argc > 1? atoi(argv[1]) : -1; |
| last_test_i = ARRAY_SIZE(test_cases) - 1; |
| |
| if (test_case_i < 0 || test_case_i > last_test_i) { |
| for (i = 0; i <= last_test_i; i++) { |
| printf("Test #%d (algorithm %s):\n%s\n", i, |
| test_cases[i][0], test_cases[i][1]); |
| } |
| printf("\nPlease specify test case number 0..%d\n", last_test_i); |
| return EXIT_FAILURE; |
| } |
| |
| osmo_init_logging2(ctx, &log_info); |
| |
| log_set_print_category(osmo_stderr_target, 1); |
| log_set_print_category_hex(osmo_stderr_target, 0); |
| log_set_print_filename2(osmo_stderr_target, LOG_FILENAME_BASENAME); |
| osmo_fsm_log_addr(false); |
| |
| bsc_network_alloc(); |
| if (!bsc_gsmnet) |
| exit(1); |
| |
| ts_fsm_init(); |
| lchan_fsm_init(); |
| bsc_subscr_conn_fsm_init(); |
| handover_fsm_init(); |
| |
| ho_set_algorithm(bsc_gsmnet->ho, 2); |
| ho_set_ho_active(bsc_gsmnet->ho, true); |
| ho_set_hodec2_as_active(bsc_gsmnet->ho, true); |
| ho_set_hodec2_min_rxlev(bsc_gsmnet->ho, -100); |
| ho_set_hodec2_rxlev_avg_win(bsc_gsmnet->ho, 1); |
| ho_set_hodec2_rxlev_neigh_avg_win(bsc_gsmnet->ho, 1); |
| ho_set_hodec2_rxqual_avg_win(bsc_gsmnet->ho, 10); |
| ho_set_hodec2_pwr_hysteresis(bsc_gsmnet->ho, 3); |
| ho_set_hodec2_pwr_interval(bsc_gsmnet->ho, 1); |
| ho_set_hodec2_afs_bias_rxlev(bsc_gsmnet->ho, 0); |
| ho_set_hodec2_min_rxqual(bsc_gsmnet->ho, 5); |
| ho_set_hodec2_afs_bias_rxqual(bsc_gsmnet->ho, 0); |
| ho_set_hodec2_max_distance(bsc_gsmnet->ho, 9999); |
| ho_set_hodec2_ho_max(bsc_gsmnet->ho, 9999); |
| ho_set_hodec2_penalty_max_dist(bsc_gsmnet->ho, 300); |
| ho_set_hodec2_penalty_failed_ho(bsc_gsmnet->ho, 60); |
| ho_set_hodec2_penalty_failed_as(bsc_gsmnet->ho, 60); |
| |
| /* We don't really need any specific model here */ |
| bts_model_unknown_init(); |
| |
| test_case = test_cases[test_case_i]; |
| |
| fprintf(stderr, "--------------------\n"); |
| fprintf(stderr, "Performing the following test %d (algorithm %s):\n%s", |
| test_case_i, test_case[0], test_case[1]); |
| algorithm = atoi(test_case[0]); |
| test_case += 2; |
| fprintf(stderr, "--------------------\n"); |
| |
| /* Disable the congestion check timer, we will trigger manually. */ |
| bsc_gsmnet->hodec2.congestion_check_interval_s = 0; |
| |
| handover_decision_1_init(); |
| hodec2_init(bsc_gsmnet); |
| |
| while (*test_case) { |
| if (!strcmp(*test_case, "create-n-bts")) { |
| int n = atoi(test_case[1]); |
| for (i = 0; i < n; i++) |
| create_bts(1, bts_default_ts); |
| test_case += 2; |
| } else |
| if (!strcmp(*test_case, "create-bts")) { |
| /* new BTS with one TRX: |
| * "create-bts", "1", "CCCH+SDCCH4", "TCH/F", "TCH/F", "TCH/F", "TCH/F", "TCH/H", "TCH/H", "PDCH", |
| * |
| * new BTS with two TRX: |
| * "create-bts", "2", "CCCH+SDCCH4", "TCH/F", "TCH/F", "TCH/F", "TCH/F", "TCH/H", "TCH/H", "PDCH", |
| * "SDCCH8", "TCH/F", "TCH/F", "TCH/F", "TCH/F", "TCH/H", "TCH/H", "PDCH", |
| */ |
| int num_trx = atoi(test_case[1]); |
| const char * const * ts_cfg = (void*)&test_case[2]; |
| create_bts(num_trx, ts_cfg); |
| test_case += 2 + 8 * num_trx; |
| } else |
| if (!strcmp(*test_case, "as-enable")) { |
| fprintf(stderr, "- Set assignment enable state at " |
| "BTS %s to %s\n", test_case[1], test_case[2]); |
| ho_set_hodec2_as_active(bts_by_num_str(test_case[1])->ho, atoi(test_case[2])); |
| test_case += 3; |
| } else |
| if (!strcmp(*test_case, "ho-enable")) { |
| fprintf(stderr, "- Set handover enable state at " |
| "BTS %s to %s\n", test_case[1], test_case[2]); |
| ho_set_ho_active(bts_by_num_str(test_case[1])->ho, atoi(test_case[2])); |
| test_case += 3; |
| } else |
| if (!strcmp(*test_case, "afs-rxlev-improve")) { |
| fprintf(stderr, "- Set afs RX level improvement at " |
| "BTS %s to %s\n", test_case[1], test_case[2]); |
| ho_set_hodec2_afs_bias_rxlev(bts_by_num_str(test_case[1])->ho, atoi(test_case[2])); |
| test_case += 3; |
| } else |
| if (!strcmp(*test_case, "afs-rxqual-improve")) { |
| fprintf(stderr, "- Set afs RX quality improvement at " |
| "BTS %s to %s\n", test_case[1], test_case[2]); |
| ho_set_hodec2_afs_bias_rxqual(bts_by_num_str(test_case[1])->ho, atoi(test_case[2])); |
| test_case += 3; |
| } else |
| if (!strcmp(*test_case, "set-min-free")) { |
| fprintf(stderr, "- Setting minimum required free %s " |
| "slots at BTS %s to %s\n", test_case[2], |
| test_case[1], test_case[3]); |
| if (!strcmp(test_case[2], "TCH/F")) |
| ho_set_hodec2_tchf_min_slots(bts_by_num_str(test_case[1])->ho, atoi(test_case[3])); |
| else |
| ho_set_hodec2_tchh_min_slots(bts_by_num_str(test_case[1])->ho, atoi(test_case[3])); |
| test_case += 4; |
| } else |
| if (!strcmp(*test_case, "set-max-ho")) { |
| fprintf(stderr, "- Setting maximum parallel handovers " |
| "at BTS %s to %s\n", test_case[1], |
| test_case[2]); |
| ho_set_hodec2_ho_max( bts_by_num_str(test_case[1])->ho, atoi(test_case[2])); |
| test_case += 3; |
| } else |
| if (!strcmp(*test_case, "set-max-ta")) { |
| fprintf(stderr, "- Setting maximum timing advance " |
| "at BTS %s to %s\n", test_case[1], |
| test_case[2]); |
| ho_set_hodec2_max_distance(bts_by_num_str(test_case[1])->ho, atoi(test_case[2])); |
| test_case += 3; |
| } else |
| if (!strcmp(*test_case, "create-ms")) { |
| const char *bts_nr_str = test_case[1]; |
| const char *tch_type = test_case[2]; |
| const char *codec = test_case[3]; |
| struct gsm_lchan *lchan; |
| fprintf(stderr, "- Creating mobile at BTS %s on " |
| "%s with %s codec\n", bts_nr_str, tch_type, codec); |
| lchan = create_lchan(bts_by_num_str(bts_nr_str), |
| !strcmp(tch_type, "TCH/F"), codec); |
| if (!lchan) { |
| printf("Failed to create lchan!\n"); |
| return EXIT_FAILURE; |
| } |
| fprintf(stderr, " * New MS is at BTS %d TS %d\n", |
| lchan->ts->trx->bts->nr, |
| lchan->ts->nr); |
| test_case += 4; |
| } else |
| if (!strcmp(*test_case, "set-ta")) { |
| fprintf(stderr, "- Setting maximum timing advance " |
| "at MS %s to %s\n", test_case[1], |
| test_case[2]); |
| meas_ta_ms = atoi(test_case[2]); |
| test_case += 3; |
| } else |
| if (!strcmp(*test_case, "meas-rep")) { |
| /* meas-rep <bts-nr> <trx-nr> <ts-nr> <lchan-nr> <rxlev> <rxqual> <nr-of-neighbors> [<cell-idx> <rxlev> [...]] */ |
| int n; |
| struct gsm_bts *bts; |
| struct gsm_bts_trx *trx; |
| struct gsm_bts_trx_ts *ts; |
| struct gsm_lchan *lc; |
| int bts_nr = atoi(test_case[1]); |
| int trx_nr = atoi(test_case[2]); |
| int ts_nr = atoi(test_case[3]); |
| int ss_nr = atoi(test_case[4]); |
| meas_dl_rxlev = atoi(test_case[5]); |
| meas_dl_rxqual = atoi(test_case[6]); |
| n = atoi(test_case[7]); |
| |
| bts = gsm_bts_num(bsc_gsmnet, bts_nr); |
| trx = gsm_bts_trx_num(bts, trx_nr); |
| ts = &trx->ts[ts_nr]; |
| lc = &ts->lchan[ss_nr]; |
| |
| if (!lchan_state_is(lc, LCHAN_ST_ESTABLISHED)) { |
| printf("Error: sending measurement report for %d-%d-%d-%d which is in state %s\n", |
| bts_nr, trx_nr, ts_nr, ss_nr, |
| lchan_state_name(lc)); |
| exit(1); |
| } |
| |
| fprintf(stderr, "- Sending measurement report from " |
| "%d-%d-%d-%d (rxlev=%d, rxqual=%d)\n", |
| bts_nr, trx_nr, ts_nr, ss_nr, |
| meas_dl_rxlev, meas_dl_rxqual); |
| meas_num_nc = n; |
| test_case += 8; |
| for (i = 0; i < n; i++) { |
| int nr = atoi(test_case[0]); |
| /* since our bts is not in the list of neighbor |
| * cells, we need to shift */ |
| if (nr >= lc->ts->trx->bts->nr) |
| nr++; |
| fprintf(stderr, " * Neighbor cell #%s, actual " |
| "BTS %d (rxlev=%s)\n", test_case[0], nr, |
| test_case[1]); |
| meas_bcch_f_nc[i] = atoi(test_case[0]); |
| /* bts number, not counting our own */ |
| meas_rxlev_nc[i] = atoi(test_case[1]); |
| meas_bsic_nc[i] = 0x3f; |
| test_case += 2; |
| } |
| got_chan_req = 0; |
| gen_meas_rep(lc); |
| } else |
| if (!strcmp(*test_case, "congestion-check")) { |
| fprintf(stderr, "- Triggering congestion check\n"); |
| got_chan_req = 0; |
| if (algorithm == 2) |
| hodec2_congestion_check(bsc_gsmnet); |
| test_case += 1; |
| } else |
| if (!strcmp(*test_case, "expect-chan")) { |
| fprintf(stderr, "- Expecting channel request at BTS %s " |
| "TS %s\n", test_case[1], test_case[2]); |
| if (!got_chan_req) { |
| printf("Test failed, because no channel was " |
| "requested\n"); |
| return EXIT_FAILURE; |
| } |
| fprintf(stderr, " * Got channel request at BTS %d " |
| "TS %d\n", chan_req_lchan->ts->trx->bts->nr, |
| chan_req_lchan->ts->nr); |
| if (chan_req_lchan->ts->trx->bts->nr |
| != atoi(test_case[1])) { |
| printf("Test failed, because channel was not " |
| "requested on expected BTS\n"); |
| return EXIT_FAILURE; |
| } |
| if (chan_req_lchan->ts->nr != atoi(test_case[2])) { |
| printf("Test failed, because channel was not " |
| "requested on expected TS\n"); |
| return EXIT_FAILURE; |
| } |
| test_case += 3; |
| } else |
| if (!strcmp(*test_case, "expect-no-chan")) { |
| fprintf(stderr, "- Expecting no channel request\n"); |
| if (got_chan_req) { |
| fprintf(stderr, " * Got channel request at " |
| "BTS %d TS %d\n", |
| chan_req_lchan->ts->trx->bts->nr, |
| chan_req_lchan->ts->nr); |
| printf("Test failed, because channel was " |
| "requested\n"); |
| return EXIT_FAILURE; |
| } |
| fprintf(stderr, " * Got no channel request\n"); |
| test_case += 1; |
| } else |
| if (!strcmp(*test_case, "expect-ho")) { |
| fprintf(stderr, "- Expecting handover/assignment " |
| "request at BTS %s TS %s\n", test_case[1], |
| test_case[2]); |
| if (!got_ho_req) { |
| printf("Test failed, because no handover was " |
| "requested\n"); |
| return EXIT_FAILURE; |
| } |
| fprintf(stderr, " * Got handover/assignment request at " |
| "BTS %d TS %d\n", |
| ho_req_lchan->ts->trx->bts->nr, |
| ho_req_lchan->ts->nr); |
| if (ho_req_lchan->ts->trx->bts->nr |
| != atoi(test_case[1])) { |
| printf("Test failed, because " |
| "handover/assignment was not commanded " |
| "at the expected BTS\n"); |
| return EXIT_FAILURE; |
| } |
| if (ho_req_lchan->ts->nr != atoi(test_case[2])) { |
| printf("Test failed, because " |
| "handover/assignment was not commanded " |
| "at the expected TS\n"); |
| return EXIT_FAILURE; |
| } |
| test_case += 3; |
| } else |
| if (!strcmp(*test_case, "ack-chan")) { |
| fprintf(stderr, "- Acknowledging channel request\n"); |
| if (!got_chan_req) { |
| printf("Cannot ack channel, because no " |
| "request\n"); |
| return EXIT_FAILURE; |
| } |
| test_case += 1; |
| got_ho_req = 0; |
| send_chan_act_ack(chan_req_lchan, 1); |
| } else |
| if (!strcmp(*test_case, "ho-complete")) { |
| fprintf(stderr, "- Acknowledging handover/assignment " |
| "request\n"); |
| if (!got_chan_req) { |
| printf("Cannot ack handover/assignment, " |
| "because no chan request\n"); |
| return EXIT_FAILURE; |
| } |
| if (!got_ho_req) { |
| printf("Cannot ack handover/assignment, " |
| "because no ho request\n"); |
| return EXIT_FAILURE; |
| } |
| test_case += 1; |
| got_chan_req = 0; |
| got_ho_req = 0; |
| send_ho_complete(chan_req_lchan, true); |
| } else |
| if (!strcmp(*test_case, "ho-failed")) { |
| fprintf(stderr, "- Making handover fail\n"); |
| if (!got_chan_req) { |
| printf("Cannot fail handover, because no chan " |
| "request\n"); |
| return EXIT_FAILURE; |
| } |
| test_case += 1; |
| got_chan_req = 0; |
| got_ho_req = 0; |
| send_ho_complete(ho_req_lchan, false); |
| } else |
| if (!strcmp(*test_case, "expect-ts-use")) { |
| /* expect-ts-use <bts-nr> <trx-nr> 8x<ts-use> |
| * e.g. |
| * expect-ts-use 0 0 - TCH/F - - TCH/H- TCH/HH TCH/-H PDCH |
| * TCH/F: one FR call. |
| * TCH/H-: HR TS with first subslot used as TCH/H, other subslot unused. |
| * TCH/HH: HR TS with both subslots used as TCH/H |
| * TCH/-H: HR TS with only second subslot used as TCH/H |
| * PDCH: TS used for PDCH (e.g. unused dynamic TS) |
| */ |
| int bts_nr = atoi(test_case[1]); |
| int trx_nr = atoi(test_case[2]); |
| const char * const * ts_use = (void*)&test_case[3]; |
| if (!expect_ts_use(bts_nr, trx_nr, ts_use)) |
| return EXIT_FAILURE; |
| test_case += 1 + 2 + 8; |
| } else |
| if (!strcmp(*test_case, "set-ts-use")) { |
| /* set-ts-use <bts-nr> <trx-nr> 8x<ts-use> |
| * e.g. |
| * set-ts-use 0 0 * TCH/F - - TCH/H- TCH/HH TCH/-H PDCH |
| * '*': keep as is |
| * TCH/F: one FR call. |
| * TCH/H-: HR TS with first subslot used as TCH/H, other subslot unused. |
| * TCH/HH: HR TS with both subslots used as TCH/H |
| * TCH/-H: HR TS with only second subslot used as TCH/H |
| * PDCH: TS used for PDCH (e.g. unused dynamic TS) |
| */ |
| int bts_nr = atoi(test_case[1]); |
| int trx_nr = atoi(test_case[2]); |
| const char * const * ts_use = (void*)&test_case[3]; |
| if (!set_ts_use(bts_nr, trx_nr, ts_use)) |
| return EXIT_FAILURE; |
| if (!expect_ts_use(bts_nr, trx_nr, ts_use)) |
| return EXIT_FAILURE; |
| test_case += 1 + 2 + 8; |
| } else |
| if (!strcmp(*test_case, "print")) { |
| fprintf(stderr, "\n%s\n\n", test_case[1]); |
| test_case += 2; |
| } else { |
| printf("Unknown test command '%s', please fix!\n", |
| *test_case); |
| return EXIT_FAILURE; |
| } |
| |
| { |
| /* Help the lchan out of releasing states */ |
| struct gsm_bts *bts; |
| llist_for_each_entry(bts, &bsc_gsmnet->bts_list, list) { |
| struct gsm_bts_trx *trx; |
| llist_for_each_entry(trx, &bts->trx_list, list) { |
| int ts_nr; |
| for (ts_nr = 0; ts_nr < TRX_NR_TS; ts_nr++) { |
| struct gsm_lchan *lchan; |
| ts_for_each_lchan(lchan, &trx->ts[ts_nr]) { |
| |
| if (lchan->fi && lchan->fi->state == LCHAN_ST_WAIT_BEFORE_RF_RELEASE) { |
| osmo_fsm_inst_state_chg(lchan->fi, LCHAN_ST_WAIT_RF_RELEASE_ACK, 0, 0); |
| osmo_fsm_inst_dispatch(lchan->fi, LCHAN_EV_RSL_RF_CHAN_REL_ACK, 0); |
| } |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| fprintf(stderr, "--------------------\n"); |
| |
| printf("Test OK\n"); |
| |
| fprintf(stderr, "--------------------\n"); |
| |
| talloc_free(ctx); |
| return EXIT_SUCCESS; |
| } |
| |
| void rtp_socket_free() {} |
| void rtp_send_frame() {} |
| void rtp_socket_upstream() {} |
| void rtp_socket_create() {} |
| void rtp_socket_connect() {} |
| void rtp_socket_proxy() {} |
| void trau_mux_unmap() {} |
| void trau_mux_map_lchan() {} |
| void trau_recv_lchan() {} |
| void trau_send_frame() {} |
| int osmo_bsc_sigtran_send(struct gsm_subscriber_connection *conn, struct msgb *msg) { return 0; } |
| int osmo_bsc_sigtran_open_conn(struct gsm_subscriber_connection *conn, struct msgb *msg) { return 0; } |
| void bsc_sapi_n_reject(struct gsm_subscriber_connection *conn, uint8_t dlci, enum gsm0808_cause cause) {} |
| void bsc_cipher_mode_compl(struct gsm_subscriber_connection *conn, struct msgb *msg, uint8_t chosen_encr) {} |
| int bsc_compl_l3(struct gsm_lchan *lchan, struct msgb *msg, uint16_t chosen_channel) |
| { return 0; } |
| int bsc_paging_start(struct bsc_paging_params *params) |
| { return 0; } |
| void bsc_dtap(struct gsm_subscriber_connection *conn, uint8_t link_id, struct msgb *msg) {} |
| void bsc_assign_compl(struct gsm_subscriber_connection *conn, uint8_t rr_cause) {} |
| void bsc_cm_update(struct gsm_subscriber_connection *conn, |
| const uint8_t *cm2, uint8_t cm2_len, |
| const uint8_t *cm3, uint8_t cm3_len) {} |
| struct gsm0808_handover_required; |
| int bsc_tx_bssmap_ho_required(struct gsm_lchan *lchan, const struct gsm0808_cell_id_list2 *target_cells) |
| { return 0; } |
| int bsc_tx_bssmap_ho_request_ack(struct gsm_subscriber_connection *conn, struct msgb *rr_ho_command) |
| { return 0; } |
| int bsc_tx_bssmap_ho_detect(struct gsm_subscriber_connection *conn) { return 0; } |
| enum handover_result bsc_tx_bssmap_ho_complete(struct gsm_subscriber_connection *conn, |
| struct gsm_lchan *lchan) { return HO_RESULT_OK; } |
| void bsc_tx_bssmap_ho_failure(struct gsm_subscriber_connection *conn) {} |
| void osmo_bsc_sigtran_tx_reset(void) {} |
| void osmo_bsc_sigtran_tx_reset_ack(void) {} |
| void osmo_bsc_sigtran_reset(void) {} |
| void bssmap_reset_alloc(void) {} |
| void bssmap_reset_is_conn_ready(void) {} |