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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 RSPAMD_RSPAMD_CONTROL_H
#define RSPAMD_RSPAMD_CONTROL_H
#include "config.h"
#include "mem_pool.h"
#include <event.h>
struct rspamd_main;
struct rspamd_worker;
enum rspamd_control_type {
RSPAMD_CONTROL_STAT = 0,
RSPAMD_CONTROL_RELOAD,
RSPAMD_CONTROL_RERESOLVE,
RSPAMD_CONTROL_RECOMPILE,
RSPAMD_CONTROL_HYPERSCAN_LOADED,
RSPAMD_CONTROL_LOG_PIPE,
RSPAMD_CONTROL_FUZZY_STAT,
RSPAMD_CONTROL_FUZZY_SYNC,
RSPAMD_CONTROL_MONITORED_CHANGE,
RSPAMD_CONTROL_MAX
};
enum rspamd_srv_type {
RSPAMD_SRV_SOCKETPAIR = 0,
RSPAMD_SRV_HYPERSCAN_LOADED,
RSPAMD_SRV_MONITORED_CHANGE,
RSPAMD_SRV_LOG_PIPE,
RSPAMD_SRV_ON_FORK,
};
enum rspamd_log_pipe_type {
RSPAMD_LOG_PIPE_SYMBOLS = 0,
};
#define CONTROL_PATHLEN 400
struct rspamd_control_command {
enum rspamd_control_type type;
union {
struct {
guint unused;
} stat;
struct {
guint unused;
} reload;
struct {
guint unused;
} reresolve;
struct {
guint unused;
} recompile;
struct {
gchar cache_dir[CONTROL_PATHLEN];
gboolean forced;
} hs_loaded;
struct {
gchar tag[32];
gboolean alive;
pid_t sender;
} monitored_change;
struct {
enum rspamd_log_pipe_type type;
} log_pipe;
struct {
guint unused;
} fuzzy_stat;
struct {
guint unused;
} fuzzy_sync;
} cmd;
};
struct rspamd_control_reply {
enum rspamd_control_type type;
union {
struct {
guint conns;
gdouble uptime;
gdouble utime;
gdouble systime;
gulong maxrss;
} stat;
struct {
guint status;
} reload;
struct {
guint status;
} reresolve;
struct {
guint status;
} recompile;
struct {
guint status;
} hs_loaded;
struct {
guint status;
} monitored_change;
struct {
guint status;
} log_pipe;
struct {
guint status;
gchar storage_id[MEMPOOL_UID_LEN];
} fuzzy_stat;
struct {
guint status;
} fuzzy_sync;
} reply;
};
#define PAIR_ID_LEN 16
struct rspamd_srv_command {
enum rspamd_srv_type type;
guint64 id;
union {
struct {
gint af;
gchar pair_id[PAIR_ID_LEN];
guint pair_num;
} spair;
struct {
gchar cache_dir[CONTROL_PATHLEN];
gboolean forced;
} hs_loaded;
struct {
gchar tag[32];
gboolean alive;
pid_t sender;
} monitored_change;
struct {
enum rspamd_log_pipe_type type;
} log_pipe;
struct {
pid_t ppid;
pid_t cpid;
enum {
child_create = 0,
child_dead,
} state;
} on_fork;
} cmd;
};
struct rspamd_srv_reply {
enum rspamd_srv_type type;
guint64 id;
union {
struct {
gint code;
} spair;
struct {
gint forced;
} hs_loaded;
struct {
gint status;
};
struct {
enum rspamd_log_pipe_type type;
} log_pipe;
struct {
gint status;
} on_fork;
} reply;
};
typedef gboolean (*rspamd_worker_control_handler) (struct rspamd_main *rspamd_main,
struct rspamd_worker *worker,
gint fd,
gint attached_fd,
struct rspamd_control_command *cmd,
gpointer ud);
typedef void (*rspamd_srv_reply_handler) (struct rspamd_worker *worker,
struct rspamd_srv_reply *rep, gint rep_fd,
gpointer ud);
/**
* Process client socket connection
*/
void rspamd_control_process_client_socket (struct rspamd_main *rspamd_main,
gint fd);
/**
* Register default handlers for a worker
*/
void rspamd_control_worker_add_default_handler (struct rspamd_worker *worker,
struct event_base *ev_base);
/**
* Register custom handler for a specific control command for this worker
*/
void rspamd_control_worker_add_cmd_handler (struct rspamd_worker *worker,
enum rspamd_control_type type,
rspamd_worker_control_handler handler,
gpointer ud);
/**
* Start watching on srv pipe
*/
void rspamd_srv_start_watching (struct rspamd_main *srv,
struct rspamd_worker *worker,
struct event_base *ev_base);
/**
* Send command to srv pipe and read reply calling the specified callback at the
* end
*/
void rspamd_srv_send_command (struct rspamd_worker *worker,
struct event_base *ev_base,
struct rspamd_srv_command *cmd,
gint attached_fd,
rspamd_srv_reply_handler handler,
gpointer ud);
#endif
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