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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* Monkey HTTP Server
* ==================
* Copyright 2001-2017 Eduardo Silva <eduardo@monkey.io>
*
* 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 MK_CONFIG_H
#define MK_CONFIG_H
#define _GNU_SOURCE
#include <monkey/mk_core.h>
#include <monkey/mk_info.h>
#include "../../deps/rbtree/rbtree.h"
#ifdef _WIN32
typedef uint32_t mode_t;
typedef uint32_t uid_t;
typedef uint32_t gid_t;
#endif
#ifndef O_NOATIME
#define O_NOATIME 01000000
#endif
#define MK_DEFAULT_CONFIG_FILE "monkey.conf"
#define MK_DEFAULT_MIMES_CONF_FILE "monkey.mime"
#define MK_DEFAULT_PLUGIN_LOAD_CONF_FILE "plugins.load"
#define MK_DEFAULT_SITES_CONF_DIR "sites/"
#define MK_DEFAULT_PLUGINS_CONF_DIR "plugins/"
#define MK_DEFAULT_LISTEN_ADDR "0.0.0.0"
#define MK_DEFAULT_LISTEN_PORT "2001"
#define MK_WORKERS_DEFAULT 1
/* Core capabilities, used as identifiers to match plugins */
#define MK_CAP_HTTP 1
/* HTTP/2: only if enabled */
#ifdef MK_HAVE_HTTP2
#define MK_CAP_HTTP2 2
#endif
#define MK_CAP_SOCK_PLAIN 4
#define MK_CAP_SOCK_TLS 8
struct plugin_api;
struct mk_clock_context;
struct mk_config_listener
{
char *address; /* address to bind */
char *port; /* TCP port */
uint32_t flags; /* properties: http | http2 | ssl */
struct mk_list _head;
};
/* Base struct of server */
struct mk_server
{
int server_fd; /* server socket file descriptor */
int kernel_version; /* Running Linux Kernel version */
int kernel_features; /* Hold different server setup status */
int fd_limit; /* Limit of file descriptors */
unsigned int server_capacity; /* total server capacity */
short int workers; /* number of worker threads */
short int manual_tcp_cork; /* If enabled it will handle TCP_CORK */
int8_t fdt; /* is FDT enabled ? */
int8_t is_daemon;
int8_t is_seteuid;
int8_t scheduler_mode; /* Scheduler balancing mode */
/* Configuration paths (absolute paths) */
char *path_conf_root; /* absolute path to configuration files */
char *path_conf_pidfile; /* absolute path to PID file */
/* Specific names for configuration files or directories */
char *conf_mimetype; /* mimetype file name */
char *conf_main; /* name of main configuration file */
char *conf_sites; /* directory name for virtual host files */
char *conf_plugin_load; /* file name which load dynamic plugins */
char *conf_plugins; /* directory name for plugins conf files */
char *conf_user_pub; /* directory name for users public content */
mk_ptr_t server_software;
struct mk_list listeners;
char *one_shot;
char *port_override;
char *user;
char **request_headers_allowed;
int timeout; /* max time to wait for a new connection */
int standard_port; /* common port used in web servers (80) */
int pid_status;
int8_t hideversion; /* hide version of server to clients ? */
int8_t resume; /* Resume (on/off) */
int8_t symlink; /* symbolic links */
/* keep alive */
int8_t keep_alive; /* it's a persisten connection ? */
int max_keep_alive_request; /* max persistent connections to allow */
int keep_alive_timeout; /* persistent connection timeout */
/* counter of threads working */
int thread_counter;
/* real user */
uid_t egid;
gid_t euid;
int max_request_size;
struct mk_list *index_files;
/* configured host quantity */
int nhosts;
struct mk_list hosts;
mode_t open_flags;
struct mk_list plugins;
/* Safe EPOLLOUT event */
int safe_event_write;
/*
* Optional reference to force a specific transport, this one
* is used when overriding the configuration from some caller
*/
char *transport_layer;
/* Define the default mime type when is not possible to find the proper one */
struct mk_list mimetype_list;
struct rb_tree mimetype_rb_head;
void *mimetype_default;
char *mimetype_default_str;
char server_signature[16];
char server_signature_header[32];
int server_signature_header_len;
/* Library mode */
int lib_mode; /* is running in Library mode ? */
int lib_ch_manager[2]; /* lib channel manager */
struct mk_event_loop *lib_evl; /* lib event loop */
struct mk_event lib_ch_event; /* lib channel manager event ? */
int lib_ch_start[2]; /* lib start signal channel */
struct mk_event_loop *lib_evl_start; /* lib start event loop */
struct mk_event lib_ch_start_event; /* lib start event */
/* Scheduler context (struct mk_sched_ctx) */
void *sched_ctx;
/*
* This list head, allow to link a set of callbacks that Monkey core
* must invoke inside each thread worker once created. This list is
* populated from mk_lib.c:mk_config_worker_callback(..).
*/
struct mk_list sched_worker_callbacks;
/* source configuration from files */
struct mk_rconf *config;
/* FIXME: temporal map of Network Layer plugin */
struct mk_plugin_network *network;
/* Thread initializator helpers (sched_launch_thread) */
int pth_init;
pthread_cond_t pth_cond;
pthread_mutex_t pth_mutex;
/* Used for vhost initialization synchronization */
pthread_mutex_t vhost_fdt_mutex;
/* worker_id as used by mk_sched_register_thread, it was moved here
* because it has to be local to each mk_server instance.
*/
int worker_id;
struct plugin_api *api;
struct mk_clock_context *clock_context;
/* Direct map to Stage plugins */
struct mk_list stage10_handler;
struct mk_list stage20_handler;
struct mk_list stage30_handler;
struct mk_list stage40_handler;
struct mk_list stage50_handler;
};
/* Functions */
struct mk_server_config *mk_config_init();
void mk_config_start_configure(struct mk_server *server);
void mk_config_signature(struct mk_server *server);
void mk_config_add_index(char *indexname);
void mk_config_set_init_values(struct mk_server *config);
int mk_config_listen_parse(char *value, struct mk_server *server);
/* config helpers */
void mk_config_error(const char *path, int line, const char *msg);
struct mk_config_listener *mk_config_listener_add(char *address,
char *port, int flags,
struct mk_server *server);
int mk_config_listen_check_busy(struct mk_server *server);
void mk_config_listeners_free(struct mk_server *server);
int mk_config_get_bool(char *value);
void mk_config_read_hosts(char *path);
void mk_config_sanity_check(struct mk_server *server);
void mk_config_free_all(struct mk_server *server);
#endif
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