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/*-
* Copyright 2016 Vsevolod Stakhov
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef SRC_LIBSERVER_MONITORED_H_
#define SRC_LIBSERVER_MONITORED_H_
#include "config.h"
#include "rdns.h"
#ifdef __cplusplus
extern "C" {
#endif
struct rspamd_monitored;
struct rspamd_monitored_ctx;
struct rspamd_config;
#define RSPAMD_MONITORED_TAG_LEN 32
enum rspamd_monitored_type {
RSPAMD_MONITORED_DNS = 0,
};
enum rspamd_monitored_flags {
RSPAMD_MONITORED_DEFAULT = 0u,
RSPAMD_MONITORED_RBL = (1u << 0u),
RSPAMD_MONITORED_RANDOM = (1u << 1u)
};
/**
* Initialize new monitored context
* @return opaque context pointer (should be configured)
*/
struct rspamd_monitored_ctx *rspamd_monitored_ctx_init (void);
typedef void (*mon_change_cb) (struct rspamd_monitored_ctx *ctx,
struct rspamd_monitored *m, gboolean alive,
void *ud);
/**
* Configure context for monitored objects
* @param ctx context
* @param cfg configuration
* @param ev_base events base
* @param resolver resolver object
*/
void rspamd_monitored_ctx_config (struct rspamd_monitored_ctx *ctx,
struct rspamd_config *cfg,
struct ev_loop *ev_base,
struct rdns_resolver *resolver,
mon_change_cb change_cb,
gpointer ud);
struct ev_loop *rspamd_monitored_ctx_get_ev_base (struct rspamd_monitored_ctx *ctx);
/**
* Create monitored object
* @param ctx context
* @param line string definition (e.g. hostname)
* @param type type of monitoring
* @param flags specific flags for monitoring
* @return new monitored object
*/
struct rspamd_monitored *rspamd_monitored_create_ (
struct rspamd_monitored_ctx *ctx,
const gchar *line,
enum rspamd_monitored_type type,
enum rspamd_monitored_flags flags,
const ucl_object_t *opts,
const gchar *loc);
#define rspamd_monitored_create(ctx, line, type, flags, opts) \
rspamd_monitored_create_(ctx, line, type, flags, opts, G_STRFUNC)
/**
* Return monitored by its tag
* @param ctx
* @param tag
* @return
*/
struct rspamd_monitored *rspamd_monitored_by_tag (struct rspamd_monitored_ctx *ctx,
guchar tag[RSPAMD_MONITORED_TAG_LEN]);
/**
* Sets `tag_out` to the monitored tag
* @param m
* @param tag_out
*/
void rspamd_monitored_get_tag (struct rspamd_monitored *m,
guchar tag_out[RSPAMD_MONITORED_TAG_LEN]);
/**
* Return TRUE if monitored object is alive
* @param m monitored object
* @return TRUE or FALSE
*/
gboolean rspamd_monitored_alive (struct rspamd_monitored *m);
/**
* Force alive flag for a monitored object
* @param m monitored object
* @return TRUE or FALSE
*/
gboolean rspamd_monitored_set_alive (struct rspamd_monitored *m, gboolean alive);
/**
* Returns the current offline time for a monitored object
* @param m
* @return
*/
gdouble rspamd_monitored_offline_time (struct rspamd_monitored *m);
/**
* Returns the total offline time for a monitored object
* @param m
* @return
*/
gdouble rspamd_monitored_total_offline_time (struct rspamd_monitored *m);
/**
* Returns the latency for monitored object (in seconds)
* @param m
* @return
*/
gdouble rspamd_monitored_latency (struct rspamd_monitored *m);
/**
* Explicitly disable monitored object
* @param m
*/
void rspamd_monitored_stop (struct rspamd_monitored *m);
/**
* Explicitly enable monitored object
* @param m
*/
void rspamd_monitored_start (struct rspamd_monitored *m);
/**
* Destroy monitored context and all monitored objects inside
* @param ctx
*/
void rspamd_monitored_ctx_destroy (struct rspamd_monitored_ctx *ctx);
#ifdef __cplusplus
}
#endif
#endif /* SRC_LIBSERVER_MONITORED_H_ */
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