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/*
* (C) 2015 by Sysmocom s.f.m.c. GmbH
*
* 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.
*
*/
#pragma once
/*! \defgroup stats Statistics reporting
* @{
* \file stats.h */
/* a bit of a crude way to disable building/using this on (bare iron)
* embedded systems. We cannot use the autoconf-defined HAVE_... macros
* here, as that only works at library compile time, not at application
* compile time */
#ifdef unix
#include <sys/socket.h>
#include <arpa/inet.h>
#include <osmocom/core/linuxlist.h>
#include <stdint.h>
struct msgb;
struct osmo_stat_item_group;
struct osmo_stat_item_desc;
struct rate_ctr_group;
struct rate_ctr_desc;
/*! Statistics Class definitions */
enum osmo_stats_class {
OSMO_STATS_CLASS_UNKNOWN, /*!< unknown class */
OSMO_STATS_CLASS_GLOBAL, /*!< global counter/stat_item */
OSMO_STATS_CLASS_PEER, /*!< peer in a communications link */
OSMO_STATS_CLASS_SUBSCRIBER, /*!< subscriber */
};
/*! Statistics Reporter Type */
enum osmo_stats_reporter_type {
OSMO_STATS_REPORTER_LOG, /*!< libosmocore logging */
OSMO_STATS_REPORTER_STATSD, /*!< statsd backend */
};
/*! One statistics reporter instance. */
struct osmo_stats_reporter {
/*! Type of the reporter (log, statsd) */
enum osmo_stats_reporter_type type;
/*! Human-readable name of this reporter */
char *name;
unsigned int have_net_config : 1;
/* config */
int enabled; /*!< is this reporter enabled */
char *name_prefix; /*!< prefix for counter names */
char *dest_addr_str; /*!< destination IP address */
char *bind_addr_str; /*!< local bind IP address */
int dest_port; /*!< destination (UDP) port */
int mtu; /*!< Maximum Transmission Unit */
/*! Maximum class/index to report. FIXME: More details! */
enum osmo_stats_class max_class;
/* state */
int running; /*!< is this reporter running */
struct sockaddr dest_addr; /*!< destination address of socket */
int dest_addr_len; /*!< length of \a dest_addr in bytes */
struct sockaddr bind_addr; /*!< local bind address of socket */
int bind_addr_len; /*!< length of \a bind_addr in bytes */
int fd; /*!< file descriptor of socket */
struct msgb *buffer; /*!< message buffer for log output */
int agg_enabled; /*!< is aggregation enabled? */
int force_single_flush;
struct llist_head list;
int (*open)(struct osmo_stats_reporter *srep);
int (*close)(struct osmo_stats_reporter *srep);
int (*send_counter)(struct osmo_stats_reporter *srep,
const struct rate_ctr_group *ctrg,
const struct rate_ctr_desc *desc,
int64_t value, int64_t delta);
int (*send_item)(struct osmo_stats_reporter *srep,
const struct osmo_stat_item_group *statg,
const struct osmo_stat_item_desc *desc,
int64_t value);
};
struct osmo_stats_config {
int interval;
};
extern struct osmo_stats_config *osmo_stats_config;
void osmo_stats_init(void *ctx);
int osmo_stats_report();
int osmo_stats_set_interval(int interval);
struct osmo_stats_reporter *osmo_stats_reporter_alloc(enum osmo_stats_reporter_type type,
const char *name);
void osmo_stats_reporter_free(struct osmo_stats_reporter *srep);
struct osmo_stats_reporter *osmo_stats_reporter_find(enum osmo_stats_reporter_type type,
const char *name);
int osmo_stats_reporter_set_remote_addr(struct osmo_stats_reporter *srep, const char *addr);
int osmo_stats_reporter_set_remote_port(struct osmo_stats_reporter *srep, int port);
int osmo_stats_reporter_set_local_addr(struct osmo_stats_reporter *srep, const char *addr);
int osmo_stats_reporter_set_mtu(struct osmo_stats_reporter *srep, int mtu);
int osmo_stats_reporter_set_max_class(struct osmo_stats_reporter *srep,
enum osmo_stats_class class_id);
int osmo_stats_reporter_set_name_prefix(struct osmo_stats_reporter *srep, const char *prefix);
int osmo_stats_reporter_enable(struct osmo_stats_reporter *srep);
int osmo_stats_reporter_disable(struct osmo_stats_reporter *srep);
/* reporter creation */
struct osmo_stats_reporter *osmo_stats_reporter_create_log(const char *name);
struct osmo_stats_reporter *osmo_stats_reporter_create_statsd(const char *name);
/* helper functions for reporter implementations */
int osmo_stats_reporter_send(struct osmo_stats_reporter *srep, const char *data,
int data_len);
int osmo_stats_reporter_send_buffer(struct osmo_stats_reporter *srep);
int osmo_stats_reporter_udp_open(struct osmo_stats_reporter *srep);
int osmo_stats_reporter_udp_close(struct osmo_stats_reporter *srep);
#endif /* unix */
/*! @} */
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