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/*
* Copyright (C) Igor Sysoev
* Copyright (C) NGINX, Inc.
*/
#ifndef _NXT_ROUTER_H_INCLUDED_
#define _NXT_ROUTER_H_INCLUDED_
#include <nxt_main.h>
#include <nxt_runtime.h>
#include <nxt_main_process.h>
typedef struct nxt_http_request_s nxt_http_request_t;
#include <nxt_application.h>
typedef struct nxt_http_action_s nxt_http_action_t;
typedef struct nxt_http_routes_s nxt_http_routes_t;
typedef struct nxt_http_forward_s nxt_http_forward_t;
typedef struct nxt_upstream_s nxt_upstream_t;
typedef struct nxt_upstreams_s nxt_upstreams_t;
typedef struct nxt_router_access_log_s nxt_router_access_log_t;
#define NXT_HTTP_ACTION_ERROR ((nxt_http_action_t *) -1)
typedef struct {
nxt_thread_spinlock_t lock;
nxt_queue_t engines;
nxt_queue_t sockets; /* of nxt_socket_conf_t */
nxt_queue_t apps; /* of nxt_app_t */
nxt_router_access_log_t *access_log;
} nxt_router_t;
typedef struct {
uint32_t count;
uint32_t threads;
nxt_mp_t *mem_pool;
nxt_array_t *var_fields; /* of nxt_var_field_t */
nxt_router_t *router;
nxt_http_routes_t *routes;
nxt_upstreams_t *upstreams;
nxt_lvlhsh_t mtypes_hash;
nxt_lvlhsh_t apps_hash;
nxt_router_access_log_t *access_log;
} nxt_router_conf_t;
typedef struct {
nxt_event_engine_t *engine;
nxt_work_t *jobs;
enum {
NXT_ROUTER_ENGINE_KEEP = 0,
NXT_ROUTER_ENGINE_ADD,
NXT_ROUTER_ENGINE_DELETE,
} action;
} nxt_router_engine_conf_t;
typedef struct {
#if (NXT_TLS)
nxt_queue_t tls; /* of nxt_router_tlssock_t */
#endif
nxt_queue_t apps; /* of nxt_app_t */
nxt_queue_t previous; /* of nxt_app_t */
uint32_t new_threads;
uint32_t stream;
uint32_t count;
nxt_event_engine_t *engine;
nxt_port_t *port;
nxt_array_t *engines;
nxt_router_conf_t *router_conf;
nxt_mp_t *mem_pool;
} nxt_router_temp_conf_t;
typedef struct {
nxt_task_t task;
nxt_work_t work;
nxt_router_temp_conf_t *tmcf;
} nxt_joint_job_t;
typedef struct {
uint32_t use_count;
nxt_app_t *app;
nxt_timer_t idle_timer;
nxt_work_t free_app_work;
} nxt_app_joint_t;
struct nxt_app_s {
nxt_thread_mutex_t mutex; /* Protects ports queue. */
nxt_queue_t ports; /* of nxt_port_t.app_link */
nxt_lvlhsh_t port_hash; /* of nxt_port_t */
nxt_queue_t spare_ports; /* of nxt_port_t.idle_link */
nxt_queue_t idle_ports; /* of nxt_port_t.idle_link */
nxt_work_t adjust_idle_work;
nxt_event_engine_t *engine;
nxt_str_t name;
uint32_t port_hash_count;
uint32_t active_requests;
uint32_t pending_processes;
uint32_t processes;
uint32_t idle_processes;
uint32_t max_processes;
uint32_t spare_processes;
uint32_t max_pending_processes;
uint32_t generation;
uint32_t proto_port_requests;
nxt_msec_t timeout;
nxt_msec_t idle_timeout;
nxt_str_t *targets;
nxt_app_type_t type:8;
nxt_mp_t *mem_pool;
nxt_queue_link_t link;
nxt_str_t conf;
nxt_atomic_t use_count;
nxt_queue_t ack_waiting_req; /* of nxt_http_request_t.app_link */
nxt_app_joint_t *joint;
nxt_port_t *shared_port;
nxt_port_t *proto_port;
nxt_port_mmaps_t outgoing;
};
typedef struct {
size_t max_frame_size;
nxt_msec_t read_timeout;
nxt_msec_t keepalive_interval;
} nxt_websocket_conf_t;
typedef struct {
uint32_t count;
nxt_queue_link_t link;
nxt_router_conf_t *router_conf;
nxt_http_action_t *action;
/*
* A listen socket time can be shorter than socket configuration life
* time, so a copy of the non-wildcard socket sockaddr is stored here
* to be used as a local sockaddr in connections.
*/
nxt_sockaddr_t *sockaddr;
nxt_listen_socket_t *listen;
size_t header_buffer_size;
size_t large_header_buffer_size;
size_t large_header_buffers;
size_t body_buffer_size;
size_t max_body_size;
size_t proxy_header_buffer_size;
size_t proxy_buffer_size;
size_t proxy_buffers;
nxt_msec_t idle_timeout;
nxt_msec_t header_read_timeout;
nxt_msec_t body_read_timeout;
nxt_msec_t send_timeout;
nxt_msec_t proxy_timeout;
nxt_msec_t proxy_send_timeout;
nxt_msec_t proxy_read_timeout;
nxt_websocket_conf_t websocket_conf;
nxt_str_t body_temp_path;
uint8_t discard_unsafe_fields; /* 1 bit */
nxt_http_forward_t *forwarded;
nxt_http_forward_t *client_ip;
#if (NXT_TLS)
nxt_tls_conf_t *tls;
#endif
} nxt_socket_conf_t;
typedef struct {
uint32_t count;
nxt_queue_link_t link;
nxt_event_engine_t *engine;
nxt_socket_conf_t *socket_conf;
nxt_joint_job_t *close_job;
nxt_upstream_t **upstreams;
/* Modules configuraitons. */
} nxt_socket_conf_joint_t;
struct nxt_router_access_log_s {
void (*handler)(nxt_task_t *task, nxt_http_request_t *r,
nxt_router_access_log_t *access_log);
nxt_fd_t fd;
nxt_str_t path;
uint32_t count;
};
void nxt_router_process_http_request(nxt_task_t *task, nxt_http_request_t *r,
nxt_http_action_t *action);
void nxt_router_app_port_close(nxt_task_t *task, nxt_port_t *port);
nxt_int_t nxt_router_application_init(nxt_router_conf_t *rtcf, nxt_str_t *name,
nxt_str_t *target, nxt_http_action_t *action);
void nxt_router_listen_event_release(nxt_task_t *task, nxt_listen_event_t *lev,
nxt_socket_conf_joint_t *joint);
void nxt_router_conf_apply(nxt_task_t *task, void *obj, void *data);
void nxt_router_conf_error(nxt_task_t *task, nxt_router_temp_conf_t *tmcf);
void nxt_router_conf_release(nxt_task_t *task, nxt_socket_conf_joint_t *joint);
nxt_int_t nxt_router_access_log_create(nxt_task_t *task,
nxt_router_conf_t *rtcf, nxt_conf_value_t *value);
void nxt_router_access_log_open(nxt_task_t *task, nxt_router_temp_conf_t *tmcf);
void nxt_router_access_log_use(nxt_thread_spinlock_t *lock,
nxt_router_access_log_t *access_log);
void nxt_router_access_log_release(nxt_task_t *task,
nxt_thread_spinlock_t *lock, nxt_router_access_log_t *access_log);
void nxt_router_access_log_reopen_handler(nxt_task_t *task,
nxt_port_recv_msg_t *msg);
extern nxt_router_t *nxt_router;
#endif /* _NXT_ROUTER_H_INCLUDED_ */
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