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/* utility routines for printing common objects in the Osmocom world */
/* (C) 2009-2010 by Harald Welte <laforge@gnumonks.org>
*
* All Rights Reserved
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 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 General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
*/
#include <stdint.h>
#include <inttypes.h>
#include <string.h>
#include <ctype.h>
#include <limits.h>
#include <osmocom/core/linuxlist.h>
#include <osmocom/core/talloc.h>
#include <osmocom/core/timer.h>
#include <osmocom/core/rate_ctr.h>
#include <osmocom/core/stat_item.h>
#include <osmocom/core/utils.h>
#include <osmocom/core/statistics.h>
#include <osmocom/vty/vty.h>
/* \file utils.c */
/*! \addtogroup rate_ctr
* @{
*/
struct vty_out_context {
struct vty *vty;
const char *prefix;
int max_level;
};
static int rate_ctr_handler(
struct rate_ctr_group *ctrg, struct rate_ctr *ctr,
const struct rate_ctr_desc *desc, void *vctx_)
{
struct vty_out_context *vctx = vctx_;
struct vty *vty = vctx->vty;
vty_out(vty, " %s%s: %8" PRIu64 " "
"(%" PRIu64 "/s %" PRIu64 "/m %" PRIu64 "/h %" PRIu64 "/d)%s",
vctx->prefix, desc->description, ctr->current,
ctr->intv[RATE_CTR_INTV_SEC].rate,
ctr->intv[RATE_CTR_INTV_MIN].rate,
ctr->intv[RATE_CTR_INTV_HOUR].rate,
ctr->intv[RATE_CTR_INTV_DAY].rate,
VTY_NEWLINE);
return 0;
}
/*! \brief print a rate counter group to given VTY
* \param[in] vty The VTY to which it should be printed
* \param[in] prefix Any additional log prefix ahead of each line
* \param[in] ctrg Rate counter group to be printed
*/
void vty_out_rate_ctr_group(struct vty *vty, const char *prefix,
struct rate_ctr_group *ctrg)
{
struct vty_out_context vctx = {vty, prefix};
vty_out(vty, "%s%s:%s", prefix, ctrg->desc->group_description, VTY_NEWLINE);
rate_ctr_for_each_counter(ctrg, rate_ctr_handler, &vctx);
}
static int osmo_stat_item_handler(
struct osmo_stat_item_group *statg, struct osmo_stat_item *item, void *vctx_)
{
struct vty_out_context *vctx = vctx_;
struct vty *vty = vctx->vty;
const char *unit =
item->desc->unit != OSMO_STAT_ITEM_NO_UNIT ?
item->desc->unit : "";
vty_out(vty, " %s%s: %8" PRIi32 " %s%s",
vctx->prefix, item->desc->description,
osmo_stat_item_get_last(item),
unit, VTY_NEWLINE);
return 0;
}
/*! \brief print a stat item group to given VTY
* \param[in] vty The VTY to which it should be printed
* \param[in] prefix Any additional log prefix ahead of each line
* \param[in] statg Stat item group to be printed
*/
void vty_out_stat_item_group(struct vty *vty, const char *prefix,
struct osmo_stat_item_group *statg)
{
struct vty_out_context vctx = {vty, prefix};
vty_out(vty, "%s%s:%s", prefix, statg->desc->group_description,
VTY_NEWLINE);
osmo_stat_item_for_each_item(statg, osmo_stat_item_handler, &vctx);
}
static int osmo_stat_item_group_handler(struct osmo_stat_item_group *statg, void *vctx_)
{
struct vty_out_context *vctx = vctx_;
struct vty *vty = vctx->vty;
if (statg->desc->class_id > vctx->max_level)
return 0;
if (statg->idx)
vty_out(vty, "%s%s (%d):%s", vctx->prefix,
statg->desc->group_description, statg->idx,
VTY_NEWLINE);
else
vty_out(vty, "%s%s:%s", vctx->prefix,
statg->desc->group_description, VTY_NEWLINE);
osmo_stat_item_for_each_item(statg, osmo_stat_item_handler, vctx);
return 0;
}
static int rate_ctr_group_handler(struct rate_ctr_group *ctrg, void *vctx_)
{
struct vty_out_context *vctx = vctx_;
struct vty *vty = vctx->vty;
if (ctrg->desc->class_id > vctx->max_level)
return 0;
if (ctrg->idx)
vty_out(vty, "%s%s (%d):%s", vctx->prefix,
ctrg->desc->group_description, ctrg->idx, VTY_NEWLINE);
else
vty_out(vty, "%s%s:%s", vctx->prefix,
ctrg->desc->group_description, VTY_NEWLINE);
rate_ctr_for_each_counter(ctrg, rate_ctr_handler, vctx);
return 0;
}
static int handle_counter(struct osmo_counter *counter, void *vctx_)
{
struct vty_out_context *vctx = vctx_;
struct vty *vty = vctx->vty;
vty_out(vty, " %s%s: %8lu%s",
vctx->prefix, counter->description,
osmo_counter_get(counter), VTY_NEWLINE);
return 0;
}
void vty_out_statistics_partial(struct vty *vty, const char *prefix,
int max_level)
{
struct vty_out_context vctx = {vty, prefix, max_level};
vty_out(vty, "%sUngrouped counters:%s", prefix, VTY_NEWLINE);
osmo_counters_for_each(handle_counter, &vctx);
rate_ctr_for_each_group(rate_ctr_group_handler, &vctx);
osmo_stat_item_for_each_group(osmo_stat_item_group_handler, &vctx);
}
void vty_out_statistics_full(struct vty *vty, const char *prefix)
{
vty_out_statistics_partial(vty, prefix, INT_MAX);
}
/*! \brief Generate a VTY command string from value_string */
char *vty_cmd_string_from_valstr(void *ctx, const struct value_string *vals,
const char *prefix, const char *sep,
const char *end, int do_lower)
{
int len = 0, offset = 0, ret, rem;
int size = strlen(prefix) + strlen(end);
int sep_len = strlen(sep);
const struct value_string *vs;
char *str;
for (vs = vals; vs->value || vs->str; vs++)
size += strlen(vs->str) + sep_len;
rem = size;
str = talloc_zero_size(ctx, size);
if (!str)
return NULL;
ret = snprintf(str + offset, rem, "%s", prefix);
if (ret < 0)
goto err;
OSMO_SNPRINTF_RET(ret, rem, offset, len);
for (vs = vals; vs->value || vs->str; vs++) {
if (vs->str) {
int j, name_len = strlen(vs->str)+1;
char name[name_len];
for (j = 0; j < name_len; j++)
name[j] = do_lower ?
tolower(vs->str[j]) : vs->str[j];
name[name_len-1] = '\0';
ret = snprintf(str + offset, rem, "%s%s", name, sep);
if (ret < 0)
goto err;
OSMO_SNPRINTF_RET(ret, rem, offset, len);
}
}
offset -= sep_len; /* to remove the trailing sep */
rem += sep_len;
ret = snprintf(str + offset, rem, "%s", end);
if (ret < 0)
goto err;
OSMO_SNPRINTF_RET(ret, rem, offset, len);
err:
str[size-1] = '\0';
return str;
}
/*! @} */
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