1 2 /* 3 * Copyright (C) Igor Sysoev 4 * Copyright (C) NGINX, Inc. 5 */ 6 7 #ifndef _NXT_ROUTER_H_INCLUDED_ 8 #define _NXT_ROUTER_H_INCLUDED_ 9 10 11 #include <nxt_main.h> 12 #include <nxt_runtime.h> 13 #include <nxt_main_process.h> 14 15 typedef struct nxt_http_request_s nxt_http_request_t; 16 #include <nxt_application.h> 17 18 19 typedef struct nxt_http_action_s nxt_http_action_t; 20 typedef struct nxt_http_routes_s nxt_http_routes_t; 21 typedef struct nxt_http_forward_s nxt_http_forward_t; 22 typedef struct nxt_upstream_s nxt_upstream_t; 23 typedef struct nxt_upstreams_s nxt_upstreams_t; 24 typedef struct nxt_router_access_log_s nxt_router_access_log_t; 25 26 27 #define NXT_HTTP_ACTION_ERROR ((nxt_http_action_t *) -1) 28 29 30 typedef struct { 31 nxt_thread_spinlock_t lock; 32 nxt_queue_t engines; 33 34 nxt_queue_t sockets; /* of nxt_socket_conf_t */ 35 nxt_queue_t apps; /* of nxt_app_t */ 36 37 nxt_router_access_log_t *access_log; 38 } nxt_router_t; 39 40 41 typedef struct { 42 uint32_t count; 43 uint32_t threads; 44 45 nxt_mp_t *mem_pool; 46 nxt_tstr_state_t *tstr_state; 47 48 nxt_router_t *router; 49 nxt_http_routes_t *routes; 50 nxt_upstreams_t *upstreams; 51 52 nxt_lvlhsh_t mtypes_hash; 53 nxt_lvlhsh_t apps_hash; 54 55 nxt_router_access_log_t *access_log; 56 nxt_tstr_t *log_format; 57 } nxt_router_conf_t; 58 59 60 typedef struct { 61 nxt_event_engine_t *engine; 62 nxt_work_t *jobs; 63 64 enum { 65 NXT_ROUTER_ENGINE_KEEP = 0, 66 NXT_ROUTER_ENGINE_ADD, 67 NXT_ROUTER_ENGINE_DELETE, 68 } action; 69 } nxt_router_engine_conf_t; 70 71 72 typedef struct { 73 #if (NXT_TLS) 74 nxt_queue_t tls; /* of nxt_router_tlssock_t */ 75 #endif 76 77 nxt_queue_t apps; /* of nxt_app_t */ 78 nxt_queue_t previous; /* of nxt_app_t */ 79 80 uint32_t new_threads; 81 uint32_t stream; 82 uint32_t count; 83 84 nxt_event_engine_t *engine; 85 nxt_port_t *port; 86 nxt_array_t *engines; 87 nxt_router_conf_t *router_conf; 88 nxt_mp_t *mem_pool; 89 } nxt_router_temp_conf_t; 90 91 92 typedef struct { 93 nxt_task_t task; 94 nxt_work_t work; 95 nxt_router_temp_conf_t *tmcf; 96 } nxt_joint_job_t; 97 98 99 typedef struct { 100 uint32_t use_count; 101 nxt_app_t *app; 102 nxt_timer_t idle_timer; 103 nxt_work_t free_app_work; 104 } nxt_app_joint_t; 105 106 107 struct nxt_app_s { 108 nxt_thread_mutex_t mutex; /* Protects ports queue. */ 109 nxt_queue_t ports; /* of nxt_port_t.app_link */ 110 nxt_lvlhsh_t port_hash; /* of nxt_port_t */ 111 112 nxt_queue_t spare_ports; /* of nxt_port_t.idle_link */ 113 nxt_queue_t idle_ports; /* of nxt_port_t.idle_link */ 114 nxt_work_t adjust_idle_work; 115 nxt_event_engine_t *engine; 116 117 nxt_str_t name; 118 119 uint32_t port_hash_count; 120 121 uint32_t active_requests; 122 uint32_t pending_processes; 123 uint32_t processes; 124 uint32_t idle_processes; 125 126 uint32_t max_processes; 127 uint32_t spare_processes; 128 uint32_t max_pending_processes; 129 130 uint32_t generation; 131 uint32_t proto_port_requests; 132 133 nxt_msec_t timeout; 134 nxt_msec_t idle_timeout; 135 136 nxt_str_t *targets; 137 138 nxt_app_type_t type:8; 139 140 nxt_mp_t *mem_pool; 141 nxt_queue_link_t link; 142 143 nxt_str_t conf; 144 145 nxt_atomic_t use_count; 146 nxt_queue_t ack_waiting_req; /* of nxt_http_request_t.app_link */ 147 148 nxt_app_joint_t *joint; 149 nxt_port_t *shared_port; 150 nxt_port_t *proto_port; 151 152 nxt_port_mmaps_t outgoing; 153 }; 154 155 156 typedef struct { 157 size_t max_frame_size; 158 nxt_msec_t read_timeout; 159 nxt_msec_t keepalive_interval; 160 } nxt_websocket_conf_t; 161 162 163 typedef struct { 164 uint32_t count; 165 nxt_queue_link_t link; 166 nxt_router_conf_t *router_conf; 167 168 nxt_http_action_t *action; 169 170 /* 171 * A listen socket time can be shorter than socket configuration life 172 * time, so a copy of the non-wildcard socket sockaddr is stored here 173 * to be used as a local sockaddr in connections. 174 */ 175 nxt_sockaddr_t *sockaddr; 176 177 nxt_listen_socket_t *listen; 178 179 size_t header_buffer_size; 180 size_t large_header_buffer_size; 181 size_t large_header_buffers; 182 size_t body_buffer_size; 183 size_t max_body_size; 184 size_t proxy_header_buffer_size; 185 size_t proxy_buffer_size; 186 size_t proxy_buffers; 187 188 nxt_msec_t idle_timeout; 189 nxt_msec_t header_read_timeout; 190 nxt_msec_t body_read_timeout; 191 nxt_msec_t send_timeout; 192 nxt_msec_t proxy_timeout; 193 nxt_msec_t proxy_send_timeout; 194 nxt_msec_t proxy_read_timeout; 195 196 nxt_websocket_conf_t websocket_conf; 197 198 nxt_str_t body_temp_path; 199 200 uint8_t discard_unsafe_fields; /* 1 bit */ 201 202 nxt_http_forward_t *forwarded; 203 nxt_http_forward_t *client_ip; 204 205 #if (NXT_TLS) 206 nxt_tls_conf_t *tls; 207 #endif 208 } nxt_socket_conf_t; 209 210 211 typedef struct { 212 uint32_t count; 213 nxt_queue_link_t link; 214 nxt_event_engine_t *engine; 215 nxt_socket_conf_t *socket_conf; 216 217 nxt_joint_job_t *close_job; 218 219 nxt_upstream_t **upstreams; 220 221 /* Modules configuraitons. */ 222 } nxt_socket_conf_joint_t; 223 224 225 struct nxt_router_access_log_s { 226 void (*handler)(nxt_task_t *task, nxt_http_request_t *r, 227 nxt_router_access_log_t *access_log, 228 nxt_tstr_t *format); 229 nxt_fd_t fd; 230 nxt_str_t path; 231 uint32_t count; 232 }; 233 234 235 void nxt_router_process_http_request(nxt_task_t *task, nxt_http_request_t *r, 236 nxt_http_action_t *action); 237 void nxt_router_app_port_close(nxt_task_t *task, nxt_port_t *port); 238 nxt_int_t nxt_router_application_init(nxt_router_conf_t *rtcf, nxt_str_t *name, 239 nxt_str_t *target, nxt_http_action_t *action); 240 void nxt_router_listen_event_release(nxt_task_t *task, nxt_listen_event_t *lev, 241 nxt_socket_conf_joint_t *joint); 242 243 void nxt_router_conf_apply(nxt_task_t *task, void *obj, void *data); 244 void nxt_router_conf_error(nxt_task_t *task, nxt_router_temp_conf_t *tmcf); 245 void nxt_router_conf_release(nxt_task_t *task, nxt_socket_conf_joint_t *joint); 246 247 nxt_int_t nxt_router_access_log_create(nxt_task_t *task, 248 nxt_router_conf_t *rtcf, nxt_conf_value_t *value); 249 void nxt_router_access_log_open(nxt_task_t *task, nxt_router_temp_conf_t *tmcf); 250 void nxt_router_access_log_use(nxt_thread_spinlock_t *lock, 251 nxt_router_access_log_t *access_log); 252 void nxt_router_access_log_release(nxt_task_t *task, 253 nxt_thread_spinlock_t *lock, nxt_router_access_log_t *access_log); 254 void nxt_router_access_log_reopen_handler(nxt_task_t *task, 255 nxt_port_recv_msg_t *msg); 256 257 258 extern nxt_router_t *nxt_router; 259 260 261 #endif /* _NXT_ROUTER_H_INCLUDED_ */ 262