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/*
* ProFTPD - mod_statsd Statsd API
* Copyright (c) 2017 TJ Saunders
*
* 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, Suite 500, Boston, MA 02110-1335, USA.
*
* As a special exemption, TJ Saunders and other respective copyright holders
* give permission to link this program with OpenSSL, and distribute the
* resulting executable, without including the source code for OpenSSL in the
* source distribution.
*/
#ifndef MOD_STATSD_STATSD_H
#define MOD_STATSD_STATSD_H
#include "mod_statsd.h"
struct statsd;
/* Per the excellent documentation on multi-metric packets here:
*
* https://github.com/etsy/statsd/blob/master/docs/metric_types.md#multi-metric-packets
*
* We'll use a maximum UDP packet size of 512 bytes, for interoperability.
*/
#define STATSD_MAX_UDP_PACKET_SIZE 512
/* The max length of a single metric is the same as the max packet size. */
#define STATSD_MAX_METRIC_SIZE STATSD_MAX_UDP_PACKET_SIZE
struct statsd *statsd_statsd_open(pool *p, const pr_netaddr_t *addr,
int use_tcp, float sampling, const char *prefix, const char *suffix);
int statsd_statsd_close(struct statsd *statsd);
int statsd_statsd_write(struct statsd *statsd, const char *metric,
size_t metric_len, int flags);
#define STATSD_STATSD_FL_SEND_NOW 0x0001
/* Flush any buffered pending metrics */
int statsd_statsd_flush(struct statsd *statsd);
/* Returns a reference to the prefix/suffix labels, if any, for this statsd
* client.
*/
int statsd_statsd_get_namespacing(struct statsd *statsd, const char **prefix,
const char **suffix);
/* Returns a reference to pool used for the statsd client. */
pool *statsd_statsd_get_pool(struct statsd *statsd);
/* Returns the sampling percentage for the statsd client. */
float statsd_statsd_get_sampling(struct statsd *statsd);
/* This is for testing purposes. */
int statsd_statsd_set_fd(struct statsd *statsd, int fd);
int statsd_statsd_init(void);
int statsd_statsd_free(void);
#endif /* MOD_STATSD_STATSD_H */
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