180 lines
5.7 KiB
C
180 lines
5.7 KiB
C
/* OsmoBSC interface to quagga VTY for handover parameters */
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/* (C) 2009-2010 by Andreas Eversberg <jolly@eversberg.eu>
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* (C) 2009-2010 by Harald Welte <laforge@gnumonks.org>
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* (C) 2017-2018 by sysmocom - s.f.m.c. GmbH <info@sysmocom.de>
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*
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* All Rights Reserved
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*
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* Author: Andreas Eversberg <jolly@eversberg.eu>
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* Neels Hofmeyr <nhofmeyr@sysmocom.de>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include <osmocom/bsc/gsm_data.h>
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#include <osmocom/bsc/vty.h>
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#include <osmocom/bsc/handover_cfg.h>
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#include <osmocom/bsc/handover_decision_2.h>
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#include <osmocom/bsc/bts.h>
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static struct handover_cfg *ho_cfg_from_vty(struct vty *vty)
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{
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switch (vty->node) {
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case GSMNET_NODE:
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return gsmnet_from_vty(vty)->ho;
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case BTS_NODE:
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OSMO_ASSERT(vty->index);
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return ((struct gsm_bts *)vty->index)->ho;
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default:
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OSMO_ASSERT(false);
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}
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}
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#define HO_CFG_ONE_MEMBER(TYPE, NAME, DEFAULT_VAL, \
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VTY_CMD_PREFIX, VTY_CMD, VTY_CMD_ARG, VTY_ARG_EVAL, \
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VTY_WRITE_FMT, VTY_WRITE_CONV, \
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VTY_DOC) \
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DEFUN_ATTR(cfg_ho_##NAME, cfg_ho_##NAME##_cmd, \
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VTY_CMD_PREFIX VTY_CMD " (" VTY_CMD_ARG "|default)", \
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VTY_DOC \
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"Use default (" #DEFAULT_VAL "), remove explicit setting on this node\n", CMD_ATTR_IMMEDIATE) \
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{ \
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struct handover_cfg *ho = ho_cfg_from_vty(vty); \
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const char *val = argv[0]; \
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if (!strcmp(val, "default")) { \
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const char *msg; \
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if (ho_isset_##NAME(ho)) {\
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ho_clear_##NAME(ho); \
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msg = "setting removed, now is"; \
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} else \
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msg = "already was unset, still is"; \
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vty_out(vty, "%% '" VTY_CMD_PREFIX VTY_CMD "' %s " VTY_WRITE_FMT "%s%s", \
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msg, VTY_WRITE_CONV( ho_get_##NAME(ho) ), \
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ho_isset_on_parent_##NAME(ho)? " (set on higher level node)" : "", \
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VTY_NEWLINE); \
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} \
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else \
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ho_set_##NAME(ho, VTY_ARG_EVAL(val)); \
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return CMD_SUCCESS; \
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}
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HO_CFG_ALL_MEMBERS
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#undef HO_CFG_ONE_MEMBER
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/* Aliases of 'handover' for 'handover1' for backwards compat */
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#define HO_CFG_ONE_MEMBER(TYPE, NAME, DEFAULT_VAL, \
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VTY_CMD_PREFIX, VTY_CMD, VTY_CMD_ARG, VTY_ARG_EVAL, \
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VTY_WRITE_FMT, VTY_WRITE_CONV, \
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VTY_DOC) \
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ALIAS_DEPRECATED(cfg_ho_##NAME, cfg_ho_##NAME##_cmd_alias, \
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"handover " VTY_CMD " (" VTY_CMD_ARG "|default)", \
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"Legacy alias for 'handover1': " VTY_DOC \
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"Use default (" #DEFAULT_VAL "), remove explicit setting on this node\n");
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HODEC1_CFG_ALL_MEMBERS
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#undef HO_CFG_ONE_MEMBER
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static inline const int a2congestion_check_interval(const char *arg)
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{
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if (!strcmp(arg, "disabled"))
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return 0;
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return atoi(arg);
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}
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static inline const char *congestion_check_interval2a(int val)
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{
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static char str[9];
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if (val < 1
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|| snprintf(str, sizeof(str), "%d", val) >= sizeof(str))
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return "disabled";
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return str;
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}
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DEFUN_ATTR(cfg_net_ho_congestion_check_interval, cfg_net_ho_congestion_check_interval_cmd,
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"handover2 congestion-check (disabled|<1-999>|now)",
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HO_CFG_STR_HANDOVER2
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"Configure congestion check interval\n"
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"Disable congestion checking, do not handover based on cell load. Note: there is one global congestion check"
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" interval, i.e. contrary to other handover2 settings, this is not configurable per individual cell.\n"
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"Congestion check interval in seconds (default "
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OSMO_STRINGIFY_VAL(HO_CFG_CONGESTION_CHECK_DEFAULT) ")\n"
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"Manually trigger a congestion check to run right now\n",
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CMD_ATTR_IMMEDIATE)
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{
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if (!strcmp(argv[0], "now")) {
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hodec2_congestion_check(gsmnet_from_vty(vty));
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return CMD_SUCCESS;
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}
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hodec2_on_change_congestion_check_interval(gsmnet_from_vty(vty),
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a2congestion_check_interval(argv[0]));
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return CMD_SUCCESS;
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}
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static void ho_vty_write(struct vty *vty, const char *indent, struct handover_cfg *ho)
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{
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#define HO_CFG_ONE_MEMBER(TYPE, NAME, DEFAULT_VAL, \
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VTY_CMD_PREFIX, VTY_CMD, VTY_CMD_ARG, VTY_ARG_EVAL, \
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VTY_WRITE_FMT, VTY_WRITE_CONV, \
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VTY_DOC) \
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if (ho_isset_##NAME(ho)) \
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vty_out(vty, "%s" VTY_CMD_PREFIX VTY_CMD " " VTY_WRITE_FMT "%s", indent, \
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VTY_WRITE_CONV( ho_get_##NAME(ho) ), VTY_NEWLINE);
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HO_CFG_ALL_MEMBERS
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#undef HO_CFG_ONE_MEMBER
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}
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void ho_vty_write_bts(struct vty *vty, struct gsm_bts *bts)
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{
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ho_vty_write(vty, " ", bts->ho);
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}
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void ho_vty_write_net(struct vty *vty, struct gsm_network *net)
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{
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ho_vty_write(vty, " ", net->ho);
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if (net->hodec2.congestion_check_interval_s != HO_CFG_CONGESTION_CHECK_DEFAULT)
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vty_out(vty, " handover2 congestion-check %s%s",
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congestion_check_interval2a(net->hodec2.congestion_check_interval_s),
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VTY_NEWLINE);
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}
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static void ho_vty_init_cmds(int parent_node)
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{
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#define HO_CFG_ONE_MEMBER(TYPE, NAME, DEFAULT_VAL, VTY0, VTY1, VTY2, VTY3, VTY4, VTY5, VTY6) \
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install_element(parent_node, &cfg_ho_##NAME##_cmd);
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HO_CFG_ALL_MEMBERS
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#undef HO_CFG_ONE_MEMBER
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/* Aliases of 'handover' for 'handover1' for backwards compat */
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#define HO_CFG_ONE_MEMBER(TYPE, NAME, DEFAULT_VAL, VTY0, VTY1, VTY2, VTY3, VTY4, VTY5, VTY6) \
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install_element(parent_node, &cfg_ho_##NAME##_cmd_alias);
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HODEC1_CFG_ALL_MEMBERS
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#undef HO_CFG_ONE_MEMBER
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}
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void ho_vty_init()
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{
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ho_vty_init_cmds(GSMNET_NODE);
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install_element(GSMNET_NODE, &cfg_net_ho_congestion_check_interval_cmd);
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ho_vty_init_cmds(BTS_NODE);
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}
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