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/* OsmoBSC interface to quagga VTY for handover parameters */
/* (C) 2017 by sysmocom - s.f.m.c. GmbH <info@sysmocom.de>
* (C) 2009-2010 by Harald Welte <laforge@gnumonks.org>
* All Rights Reserved
*
* Author: Neels Hofmeyr <nhofmeyr@sysmocom.de>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include <osmocom/bsc/gsm_data.h>
#include <osmocom/bsc/vty.h>
#include <osmocom/bsc/handover_cfg.h>
#include <osmocom/bsc/handover_decision_2.h>
static struct handover_cfg *ho_cfg_from_vty(struct vty *vty)
{
switch (vty->node) {
case GSMNET_NODE:
return gsmnet_from_vty(vty)->ho;
case BTS_NODE:
OSMO_ASSERT(vty->index);
return ((struct gsm_bts *)vty->index)->ho;
default:
OSMO_ASSERT(false);
}
}
#define HO_CFG_ONE_MEMBER(TYPE, NAME, DEFAULT_VAL, \
VTY_CMD, VTY_CMD_ARG, VTY_ARG_EVAL, \
VTY_WRITE_FMT, VTY_WRITE_CONV, \
VTY_DOC) \
DEFUN(cfg_ho_##NAME, cfg_ho_##NAME##_cmd, \
VTY_CMD " (" VTY_CMD_ARG "|default)", \
VTY_DOC \
"Use default (" #DEFAULT_VAL "), remove explicit setting on this node\n") \
{ \
struct handover_cfg *ho = ho_cfg_from_vty(vty); \
const char *val = argv[0]; \
if (!strcmp(val, "default")) { \
const char *msg; \
if (ho_isset_##NAME(ho)) {\
ho_clear_##NAME(ho); \
msg = "setting removed, now is"; \
} else \
msg = "already was unset, still is"; \
vty_out(vty, "%% '" VTY_CMD "' %s " VTY_WRITE_FMT "%s%s", \
msg, VTY_WRITE_CONV( ho_get_##NAME(ho) ), \
ho_isset_on_parent_##NAME(ho)? " (set on higher level node)" : "", \
VTY_NEWLINE); \
} \
else \
ho_set_##NAME(ho, VTY_ARG_EVAL(val)); \
return CMD_SUCCESS; \
}
HO_CFG_ALL_MEMBERS
#undef HO_CFG_ONE_MEMBER
static inline const int a2congestion_check_interval(const char *arg)
{
if (!strcmp(arg, "disabled"))
return 0;
return atoi(arg);
}
static inline const char *congestion_check_interval2a(int val)
{
static char str[9];
if (val < 1
|| snprintf(str, sizeof(str), "%d", val) >= sizeof(str))
return "disabled";
return str;
}
DEFUN(cfg_net_ho_congestion_check_interval, cfg_net_ho_congestion_check_interval_cmd,
"handover2 congestion-check (disabled|<1-999>|now)",
HO_CFG_STR_HANDOVER2
"Configure congestion check interval" HO_CFG_STR_2
"Disable congestion checking, do not handover based on cell overload\n"
"Congestion check interval in seconds (default "
OSMO_STRINGIFY_VAL(HO_CFG_CONGESTION_CHECK_DEFAULT) ")\n"
"Manually trigger a congestion check to run right now\n")
{
if (!strcmp(argv[0], "now")) {
hodec2_congestion_check(gsmnet_from_vty(vty));
return CMD_SUCCESS;
}
hodec2_on_change_congestion_check_interval(gsmnet_from_vty(vty),
a2congestion_check_interval(argv[0]));
return CMD_SUCCESS;
}
static void ho_vty_write(struct vty *vty, const char *indent, struct handover_cfg *ho)
{
#define HO_CFG_ONE_MEMBER(TYPE, NAME, DEFAULT_VAL, \
VTY_CMD, VTY_CMD_ARG, VTY_ARG_EVAL, \
VTY_WRITE_FMT, VTY_WRITE_CONV, \
VTY_DOC) \
if (ho_isset_##NAME(ho)) \
vty_out(vty, "%s" VTY_CMD " " VTY_WRITE_FMT "%s", indent, \
VTY_WRITE_CONV( ho_get_##NAME(ho) ), VTY_NEWLINE);
HO_CFG_ALL_MEMBERS
#undef HO_CFG_ONE_MEMBER
}
void ho_vty_write_bts(struct vty *vty, struct gsm_bts *bts)
{
ho_vty_write(vty, " ", bts->ho);
}
void ho_vty_write_net(struct vty *vty, struct gsm_network *net)
{
ho_vty_write(vty, " ", net->ho);
if (net->hodec2.congestion_check_interval_s != HO_CFG_CONGESTION_CHECK_DEFAULT)
vty_out(vty, " handover congestion-check %s%s",
congestion_check_interval2a(net->hodec2.congestion_check_interval_s),
VTY_NEWLINE);
}
static void ho_vty_init_cmds(int parent_node)
{
#define HO_CFG_ONE_MEMBER(TYPE, NAME, DEFAULT_VAL, VTY1, VTY2, VTY3, VTY4, VTY5, VTY6) \
install_element(parent_node, &cfg_ho_##NAME##_cmd);
HO_CFG_ALL_MEMBERS
#undef HO_CFG_ONE_MEMBER
}
void ho_vty_init()
{
ho_vty_init_cmds(GSMNET_NODE);
install_element(GSMNET_NODE, &cfg_net_ho_congestion_check_interval_cmd);
ho_vty_init_cmds(BTS_NODE);
}
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