daemon.h

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/*
 * daemon/daemon.h - collection of workers that handles requests.
 *
 * Copyright (c) 2007, NLnet Labs. All rights reserved.
 *
 * This software is open source.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 
 * Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 * 
 * Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 * 
 * Neither the name of the NLNET LABS nor the names of its contributors may
 * be used to endorse or promote products derived from this software without
 * specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

 
#ifndef DAEMON_H
#define DAEMON_H
 
#include "util/locks.h"
#include "util/alloc.h"
#include "services/modstack.h"
struct config_file;
struct worker;
struct listen_port;
struct slabhash;
struct module_env;
struct rrset_cache;
struct acl_list;
struct local_zones;
struct views;
struct ub_randstate;
struct daemon_remote;
struct respip_set;
struct shm_main_info;
 
#include "dnstap/dnstap_config.h"
#ifdef USE_DNSTAP
struct dt_env;
#endif
 
#include "dnscrypt/dnscrypt_config.h"
#ifdef USE_DNSCRYPT
struct dnsc_env;
#endif

struct daemon {
    struct config_file* cfg;
    char* chroot;
    char* pidfile;
    int listening_port;
    struct listen_port** ports;
    size_t num_ports;
    int reuseport;
    int rc_port;
    struct listen_port* rc_ports;
    struct daemon_remote* rc;
    void* listen_sslctx, *connect_sslctx;
    int num;
    struct worker** workers;
    int need_to_exit;
    struct ub_randstate* rand;
    struct alloc_cache superalloc;
    struct module_env* env;
    struct module_stack mods;
    struct acl_list* acl;
    struct local_zones* local_zones;
    struct timeval time_last_stat;
    struct timeval time_boot;
    struct views* views;
#ifdef USE_DNSTAP
    struct dt_env* dtenv;
#endif
    struct shm_main_info* shm_info;
    struct respip_set* respip_set;
    int use_response_ip;
#ifdef USE_DNSCRYPT
    struct dnsc_env* dnscenv;
#endif
};

struct daemon* daemon_init(void);

int daemon_open_shared_ports(struct daemon* daemon);

void daemon_fork(struct daemon* daemon);

void daemon_cleanup(struct daemon* daemon);

void daemon_delete(struct daemon* daemon);

void daemon_apply_cfg(struct daemon* daemon, struct config_file* cfg);
 
#endif /* DAEMON_H */