2431 lines
60 KiB
C
2431 lines
60 KiB
C
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/*
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* Copyright (C) Igor Sysoev
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* Copyright (C) Valentin V. Bartenev
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* Copyright (C) NGINX, Inc.
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*/
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#include <nxt_router.h>
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#include <nxt_conf.h>
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typedef struct {
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nxt_str_t type;
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uint32_t workers;
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} nxt_router_app_conf_t;
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typedef struct {
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nxt_str_t application;
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} nxt_router_listener_conf_t;
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typedef struct nxt_start_worker_s nxt_start_worker_t;
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struct nxt_start_worker_s {
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uint32_t stream;
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nxt_app_t *app;
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nxt_req_conn_link_t *rc;
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nxt_mp_t *mem_pool;
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void *joint;
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nxt_work_t work;
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};
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static nxt_router_temp_conf_t *nxt_router_temp_conf(nxt_task_t *task);
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static nxt_int_t nxt_router_conf_new(nxt_task_t *task,
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nxt_router_temp_conf_t *tmcf, u_char *start, u_char *end);
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static void nxt_router_conf_success(nxt_task_t *task,
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nxt_router_temp_conf_t *tmcf);
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static void nxt_router_conf_error(nxt_task_t *task,
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nxt_router_temp_conf_t *tmcf);
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static void nxt_router_conf_send(nxt_task_t *task,
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nxt_router_temp_conf_t *tmcf, u_char *start, size_t size);
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static void nxt_router_conf_buf_completion(nxt_task_t *task, void *obj,
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void *data);
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static void nxt_router_listen_sockets_sort(nxt_router_t *router,
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nxt_router_temp_conf_t *tmcf);
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static nxt_int_t nxt_router_conf_create(nxt_task_t *task,
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nxt_router_temp_conf_t *tmcf, u_char *start, u_char *end);
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static nxt_app_t *nxt_router_app_find(nxt_queue_t *queue, nxt_str_t *name);
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static nxt_app_t *nxt_router_listener_application(nxt_router_temp_conf_t *tmcf,
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nxt_str_t *name);
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static nxt_int_t nxt_router_listen_sockets_stub_create(nxt_task_t *task,
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nxt_router_temp_conf_t *tmcf);
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static nxt_socket_conf_t *nxt_router_socket_conf(nxt_task_t *task, nxt_mp_t *mp,
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nxt_sockaddr_t *sa);
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static nxt_int_t nxt_router_engines_create(nxt_task_t *task,
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nxt_router_t *router, nxt_router_temp_conf_t *tmcf,
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const nxt_event_interface_t *interface);
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static nxt_int_t nxt_router_engine_conf_create(nxt_router_temp_conf_t *tmcf,
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nxt_router_engine_conf_t *recf);
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static nxt_int_t nxt_router_engine_conf_update(nxt_router_temp_conf_t *tmcf,
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nxt_router_engine_conf_t *recf);
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static nxt_int_t nxt_router_engine_conf_delete(nxt_router_temp_conf_t *tmcf,
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nxt_router_engine_conf_t *recf);
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static void nxt_router_engine_socket_count(nxt_queue_t *sockets);
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static nxt_int_t nxt_router_engine_joints_create(nxt_mp_t *mp,
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nxt_router_temp_conf_t *tmcf, nxt_router_engine_conf_t *recf,
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nxt_queue_t *sockets, nxt_array_t *array, nxt_work_handler_t handler);
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static nxt_int_t nxt_router_engine_joints_delete(nxt_router_temp_conf_t *tmcf,
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nxt_router_engine_conf_t *recf, nxt_queue_t *sockets);
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static nxt_int_t nxt_router_threads_create(nxt_task_t *task, nxt_runtime_t *rt,
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nxt_router_temp_conf_t *tmcf);
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static nxt_int_t nxt_router_thread_create(nxt_task_t *task, nxt_runtime_t *rt,
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nxt_event_engine_t *engine);
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static void nxt_router_apps_sort(nxt_router_t *router,
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nxt_router_temp_conf_t *tmcf);
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static void nxt_router_engines_post(nxt_router_temp_conf_t *tmcf);
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static void nxt_router_engine_post(nxt_router_temp_conf_t *tmcf,
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nxt_router_engine_conf_t *recf);
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static void nxt_router_thread_start(void *data);
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static void nxt_router_listen_socket_create(nxt_task_t *task, void *obj,
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void *data);
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static void nxt_router_listen_socket_update(nxt_task_t *task, void *obj,
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void *data);
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static void nxt_router_listen_socket_delete(nxt_task_t *task, void *obj,
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void *data);
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static void nxt_router_listen_socket_close(nxt_task_t *task, void *obj,
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void *data);
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static void nxt_router_listen_socket_release(nxt_task_t *task,
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nxt_socket_conf_joint_t *joint);
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static void nxt_router_thread_exit_handler(nxt_task_t *task, void *obj,
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void *data);
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static void nxt_router_conf_release(nxt_task_t *task,
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nxt_socket_conf_joint_t *joint);
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static nxt_port_t * nxt_router_app_get_port(nxt_app_t *app);
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static void nxt_router_app_release_port(nxt_task_t *task, void *obj,
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void *data);
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static void nxt_router_sw_add(nxt_task_t *task, nxt_router_t *router,
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nxt_start_worker_t *sw);
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static nxt_start_worker_t *nxt_router_sw_find_remove(nxt_task_t *task,
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nxt_router_t *router, uint32_t id);
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static void nxt_router_conn_init(nxt_task_t *task, void *obj, void *data);
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static void nxt_router_conn_http_header_parse(nxt_task_t *task, void *obj,
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void *data);
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static void nxt_router_process_http_request(nxt_task_t *task,
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nxt_conn_t *c, nxt_app_parse_ctx_t *ap);
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static void nxt_router_process_http_request_mp(nxt_task_t *task,
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nxt_req_conn_link_t *rc, nxt_mp_t *mp);
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static void nxt_router_conn_ready(nxt_task_t *task, void *obj, void *data);
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static void nxt_router_conn_close(nxt_task_t *task, void *obj, void *data);
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static void nxt_router_conn_free(nxt_task_t *task, void *obj, void *data);
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static void nxt_router_conn_error(nxt_task_t *task, void *obj, void *data);
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static void nxt_router_conn_timeout(nxt_task_t *task, void *obj, void *data);
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static nxt_msec_t nxt_router_conn_timeout_value(nxt_conn_t *c, uintptr_t data);
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static void nxt_router_gen_error(nxt_task_t *task, nxt_conn_t *c, int code,
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const char* fmt, ...);
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static nxt_router_t *nxt_router;
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nxt_int_t
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nxt_router_start(nxt_task_t *task, void *data)
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{
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nxt_int_t ret;
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nxt_router_t *router;
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nxt_runtime_t *rt;
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rt = task->thread->runtime;
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ret = nxt_app_http_init(task, rt);
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if (nxt_slow_path(ret != NXT_OK)) {
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return ret;
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}
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router = nxt_zalloc(sizeof(nxt_router_t));
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if (nxt_slow_path(router == NULL)) {
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return NXT_ERROR;
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}
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nxt_queue_init(&router->engines);
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nxt_queue_init(&router->sockets);
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nxt_queue_init(&router->apps);
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nxt_router = router;
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return NXT_OK;
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}
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static void
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nxt_router_sw_release(nxt_task_t *task, void *obj, void *data)
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{
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nxt_start_worker_t *sw;
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nxt_socket_conf_joint_t *joint;
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sw = obj;
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joint = sw->joint;
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nxt_debug(task, "sw #%uxD release", sw->stream);
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if (nxt_mp_release(sw->mem_pool, sw) == 0) {
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nxt_router_conf_release(task, joint);
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}
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}
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void
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nxt_router_new_port_handler(nxt_task_t *task, nxt_port_recv_msg_t *msg)
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{
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nxt_start_worker_t *sw;
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nxt_port_new_port_handler(task, msg);
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if (msg->new_port == NULL || msg->new_port->type != NXT_PROCESS_WORKER) {
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return;
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}
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sw = nxt_router_sw_find_remove(task, nxt_router, msg->port_msg.stream);
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if (nxt_fast_path(sw != NULL)) {
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msg->new_port->app = sw->app;
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nxt_router_app_release_port(task, msg->new_port, sw->app);
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sw->work.handler = nxt_router_sw_release;
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nxt_debug(task, "post sw #%uxD release to %p", sw->stream,
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sw->work.data);
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nxt_event_engine_post(sw->work.data, &sw->work);
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}
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}
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void
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nxt_router_conf_data_handler(nxt_task_t *task, nxt_port_recv_msg_t *msg)
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{
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size_t dump_size;
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nxt_buf_t *b;
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nxt_int_t ret;
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nxt_router_temp_conf_t *tmcf;
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b = msg->buf;
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dump_size = nxt_buf_used_size(b);
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if (dump_size > 300) {
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dump_size = 300;
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}
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nxt_debug(task, "router conf data (%z): %*s",
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msg->size, dump_size, b->mem.pos);
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tmcf = nxt_router_temp_conf(task);
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if (nxt_slow_path(tmcf == NULL)) {
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return;
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}
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tmcf->conf->router = nxt_router;
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tmcf->stream = msg->port_msg.stream;
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tmcf->port = nxt_runtime_port_find(task->thread->runtime,
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msg->port_msg.pid, 0);
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ret = nxt_router_conf_new(task, tmcf, b->mem.pos, b->mem.free);
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b->mem.pos = b->mem.free;
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if (ret == NXT_OK) {
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return nxt_router_conf_success(task, tmcf);
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}
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nxt_log(task, NXT_LOG_CRIT, "failed to apply new conf");
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return nxt_router_conf_error(task, tmcf);
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}
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static nxt_router_temp_conf_t *
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nxt_router_temp_conf(nxt_task_t *task)
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{
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nxt_mp_t *mp, *tmp;
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nxt_router_conf_t *rtcf;
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nxt_router_temp_conf_t *tmcf;
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mp = nxt_mp_create(1024, 128, 256, 32);
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if (nxt_slow_path(mp == NULL)) {
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return NULL;
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}
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rtcf = nxt_mp_zget(mp, sizeof(nxt_router_conf_t));
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if (nxt_slow_path(rtcf == NULL)) {
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goto fail;
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}
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rtcf->mem_pool = mp;
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rtcf->count = 1;
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tmp = nxt_mp_create(1024, 128, 256, 32);
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if (nxt_slow_path(tmp == NULL)) {
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goto fail;
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}
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tmcf = nxt_mp_zget(tmp, sizeof(nxt_router_temp_conf_t));
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if (nxt_slow_path(tmcf == NULL)) {
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goto temp_fail;
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}
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tmcf->mem_pool = tmp;
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tmcf->conf = rtcf;
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tmcf->count = 1;
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tmcf->engine = task->thread->engine;
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tmcf->engines = nxt_array_create(tmcf->mem_pool, 4,
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sizeof(nxt_router_engine_conf_t));
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if (nxt_slow_path(tmcf->engines == NULL)) {
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goto temp_fail;
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}
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nxt_queue_init(&tmcf->deleting);
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nxt_queue_init(&tmcf->keeping);
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nxt_queue_init(&tmcf->updating);
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nxt_queue_init(&tmcf->pending);
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nxt_queue_init(&tmcf->creating);
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nxt_queue_init(&tmcf->apps);
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nxt_queue_init(&tmcf->previous);
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return tmcf;
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temp_fail:
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nxt_mp_destroy(tmp);
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fail:
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nxt_mp_destroy(mp);
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return NULL;
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}
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static nxt_int_t
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nxt_router_conf_new(nxt_task_t *task, nxt_router_temp_conf_t *tmcf,
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u_char *start, u_char *end)
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{
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nxt_int_t ret;
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nxt_router_t *router;
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nxt_runtime_t *rt;
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const nxt_event_interface_t *interface;
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ret = nxt_router_conf_create(task, tmcf, start, end);
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if (nxt_slow_path(ret != NXT_OK)) {
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return ret;
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}
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router = tmcf->conf->router;
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nxt_router_listen_sockets_sort(router, tmcf);
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ret = nxt_router_listen_sockets_stub_create(task, tmcf);
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if (nxt_slow_path(ret != NXT_OK)) {
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return ret;
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}
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rt = task->thread->runtime;
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interface = nxt_service_get(rt->services, "engine", NULL);
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ret = nxt_router_engines_create(task, router, tmcf, interface);
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if (nxt_slow_path(ret != NXT_OK)) {
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return ret;
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}
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ret = nxt_router_threads_create(task, rt, tmcf);
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if (nxt_slow_path(ret != NXT_OK)) {
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return ret;
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}
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nxt_router_apps_sort(router, tmcf);
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nxt_router_engines_post(tmcf);
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nxt_queue_add(&router->sockets, &tmcf->updating);
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nxt_queue_add(&router->sockets, &tmcf->creating);
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return NXT_OK;
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}
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static void
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nxt_router_conf_wait(nxt_task_t *task, void *obj, void *data)
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{
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nxt_router_temp_conf_t *tmcf;
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tmcf = obj;
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nxt_router_conf_success(task, tmcf);
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}
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static void
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nxt_router_conf_success(nxt_task_t *task, nxt_router_temp_conf_t *tmcf)
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{
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nxt_debug(task, "temp conf count:%D", tmcf->count);
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if (--tmcf->count == 0) {
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nxt_router_conf_send(task, tmcf, (u_char *) "OK", 2);
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}
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}
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static void
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nxt_router_conf_error(nxt_task_t *task, nxt_router_temp_conf_t *tmcf)
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{
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nxt_socket_t s;
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nxt_router_t *router;
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nxt_queue_link_t *qlk;
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nxt_socket_conf_t *skcf;
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for (qlk = nxt_queue_first(&tmcf->creating);
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qlk != nxt_queue_tail(&tmcf->creating);
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qlk = nxt_queue_next(qlk))
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{
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skcf = nxt_queue_link_data(qlk, nxt_socket_conf_t, link);
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s = skcf->listen.socket;
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if (s != -1) {
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nxt_socket_close(task, s);
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}
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nxt_free(skcf->socket);
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}
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router = tmcf->conf->router;
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nxt_queue_add(&router->sockets, &tmcf->keeping);
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nxt_queue_add(&router->sockets, &tmcf->deleting);
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// TODO: new engines and threads
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nxt_mp_destroy(tmcf->conf->mem_pool);
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nxt_router_conf_send(task, tmcf, (u_char *) "ERROR", 5);
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}
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static void
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nxt_router_conf_send(nxt_task_t *task, nxt_router_temp_conf_t *tmcf,
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u_char *start, size_t size)
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{
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nxt_buf_t *b;
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b = nxt_buf_mem_alloc(tmcf->mem_pool, size, 0);
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if (nxt_slow_path(b == NULL)) {
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return;
|
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}
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b->mem.free = nxt_cpymem(b->mem.free, start, size);
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b->parent = tmcf->mem_pool;
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b->completion_handler = nxt_router_conf_buf_completion;
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nxt_port_socket_write(task, tmcf->port, NXT_PORT_MSG_DATA, -1,
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tmcf->stream, 0, b);
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}
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static void
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nxt_router_conf_buf_completion(nxt_task_t *task, void *obj, void *data)
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{
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nxt_mp_t *mp;
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/* nxt_router_temp_conf_t mem pool. */
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mp = data;
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nxt_mp_destroy(mp);
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}
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static nxt_conf_map_t nxt_router_conf[] = {
|
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{
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nxt_string("listeners_threads"),
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NXT_CONF_MAP_INT32,
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offsetof(nxt_router_conf_t, threads),
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},
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};
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static nxt_conf_map_t nxt_router_app_conf[] = {
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{
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nxt_string("type"),
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NXT_CONF_MAP_STR,
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offsetof(nxt_router_app_conf_t, type),
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},
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|
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{
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nxt_string("workers"),
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NXT_CONF_MAP_INT32,
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offsetof(nxt_router_app_conf_t, workers),
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},
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};
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static nxt_conf_map_t nxt_router_listener_conf[] = {
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{
|
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nxt_string("application"),
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NXT_CONF_MAP_STR,
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offsetof(nxt_router_listener_conf_t, application),
|
|
},
|
|
};
|
|
|
|
|
|
static nxt_conf_map_t nxt_router_http_conf[] = {
|
|
{
|
|
nxt_string("header_buffer_size"),
|
|
NXT_CONF_MAP_SIZE,
|
|
offsetof(nxt_socket_conf_t, header_buffer_size),
|
|
},
|
|
|
|
{
|
|
nxt_string("large_header_buffer_size"),
|
|
NXT_CONF_MAP_SIZE,
|
|
offsetof(nxt_socket_conf_t, large_header_buffer_size),
|
|
},
|
|
|
|
{
|
|
nxt_string("header_read_timeout"),
|
|
NXT_CONF_MAP_MSEC,
|
|
offsetof(nxt_socket_conf_t, header_read_timeout),
|
|
},
|
|
};
|
|
|
|
|
|
static nxt_int_t
|
|
nxt_router_conf_create(nxt_task_t *task, nxt_router_temp_conf_t *tmcf,
|
|
u_char *start, u_char *end)
|
|
{
|
|
u_char *p;
|
|
size_t size;
|
|
nxt_mp_t *mp;
|
|
uint32_t next;
|
|
nxt_int_t ret;
|
|
nxt_str_t name;
|
|
nxt_app_t *app, *prev;
|
|
nxt_app_type_t type;
|
|
nxt_sockaddr_t *sa;
|
|
nxt_conf_value_t *conf, *http;
|
|
nxt_conf_value_t *applications, *application;
|
|
nxt_conf_value_t *listeners, *listener;
|
|
nxt_socket_conf_t *skcf;
|
|
nxt_router_app_conf_t apcf;
|
|
nxt_router_listener_conf_t lscf;
|
|
|
|
static nxt_str_t http_path = nxt_string("/http");
|
|
static nxt_str_t applications_path = nxt_string("/applications");
|
|
static nxt_str_t listeners_path = nxt_string("/listeners");
|
|
|
|
conf = nxt_conf_json_parse(tmcf->mem_pool, start, end);
|
|
if (conf == NULL) {
|
|
nxt_log(task, NXT_LOG_CRIT, "configuration parsing error");
|
|
return NXT_ERROR;
|
|
}
|
|
|
|
ret = nxt_conf_map_object(conf, nxt_router_conf,
|
|
nxt_nitems(nxt_router_conf), tmcf->conf);
|
|
if (ret != NXT_OK) {
|
|
nxt_log(task, NXT_LOG_CRIT, "root map error");
|
|
return NXT_ERROR;
|
|
}
|
|
|
|
if (tmcf->conf->threads == 0) {
|
|
tmcf->conf->threads = nxt_ncpu;
|
|
}
|
|
|
|
applications = nxt_conf_get_path(conf, &applications_path);
|
|
if (applications == NULL) {
|
|
nxt_log(task, NXT_LOG_CRIT, "no \"applications\" block");
|
|
return NXT_ERROR;
|
|
}
|
|
|
|
next = 0;
|
|
|
|
for ( ;; ) {
|
|
application = nxt_conf_next_object_member(applications, &name, &next);
|
|
if (application == NULL) {
|
|
break;
|
|
}
|
|
|
|
nxt_debug(task, "application \"%V\"", &name);
|
|
|
|
size = nxt_conf_json_length(application, NULL);
|
|
|
|
app = nxt_malloc(sizeof(nxt_app_t) + name.length + size);
|
|
if (app == NULL) {
|
|
goto fail;
|
|
}
|
|
|
|
nxt_memzero(app, sizeof(nxt_app_t));
|
|
|
|
app->name.start = nxt_pointer_to(app, sizeof(nxt_app_t));
|
|
app->conf.start = nxt_pointer_to(app, sizeof(nxt_app_t) + name.length);
|
|
|
|
p = nxt_conf_json_print(app->conf.start, application, NULL);
|
|
app->conf.length = p - app->conf.start;
|
|
|
|
nxt_assert(app->conf.length <= size);
|
|
|
|
nxt_debug(task, "application conf \"%V\"", &app->conf);
|
|
|
|
prev = nxt_router_app_find(&tmcf->conf->router->apps, &name);
|
|
|
|
if (prev != NULL && nxt_strstr_eq(&app->conf, &prev->conf)) {
|
|
nxt_free(app);
|
|
|
|
nxt_queue_remove(&prev->link);
|
|
nxt_queue_insert_tail(&tmcf->previous, &prev->link);
|
|
continue;
|
|
}
|
|
|
|
ret = nxt_conf_map_object(application, nxt_router_app_conf,
|
|
nxt_nitems(nxt_router_app_conf), &apcf);
|
|
if (ret != NXT_OK) {
|
|
nxt_log(task, NXT_LOG_CRIT, "application map error");
|
|
goto app_fail;
|
|
}
|
|
|
|
nxt_debug(task, "application type: %V", &apcf.type);
|
|
nxt_debug(task, "application workers: %D", apcf.workers);
|
|
|
|
type = nxt_app_parse_type(&apcf.type);
|
|
|
|
if (type == NXT_APP_UNKNOWN) {
|
|
nxt_log(task, NXT_LOG_CRIT, "unknown application type: \"%V\"",
|
|
&apcf.type);
|
|
goto app_fail;
|
|
}
|
|
|
|
if (nxt_app_modules[type] == NULL) {
|
|
nxt_log(task, NXT_LOG_CRIT, "unsupported application type: \"%V\"",
|
|
&apcf.type);
|
|
goto app_fail;
|
|
}
|
|
|
|
ret = nxt_thread_mutex_create(&app->mutex);
|
|
if (ret != NXT_OK) {
|
|
goto app_fail;
|
|
}
|
|
|
|
nxt_queue_init(&app->ports);
|
|
nxt_queue_init(&app->requests);
|
|
|
|
app->name.length = name.length;
|
|
nxt_memcpy(app->name.start, name.start, name.length);
|
|
|
|
app->type = type;
|
|
app->max_workers = apcf.workers;
|
|
app->live = 1;
|
|
app->module = nxt_app_modules[type];
|
|
|
|
nxt_queue_insert_tail(&tmcf->apps, &app->link);
|
|
}
|
|
|
|
http = nxt_conf_get_path(conf, &http_path);
|
|
#if 0
|
|
if (http == NULL) {
|
|
nxt_log(task, NXT_LOG_CRIT, "no \"http\" block");
|
|
return NXT_ERROR;
|
|
}
|
|
#endif
|
|
|
|
listeners = nxt_conf_get_path(conf, &listeners_path);
|
|
if (listeners == NULL) {
|
|
nxt_log(task, NXT_LOG_CRIT, "no \"listeners\" block");
|
|
return NXT_ERROR;
|
|
}
|
|
|
|
next = 0;
|
|
|
|
mp = tmcf->conf->mem_pool;
|
|
|
|
for ( ;; ) {
|
|
listener = nxt_conf_next_object_member(listeners, &name, &next);
|
|
if (listener == NULL) {
|
|
break;
|
|
}
|
|
|
|
sa = nxt_sockaddr_parse(mp, &name);
|
|
if (sa == NULL) {
|
|
nxt_log(task, NXT_LOG_CRIT, "invalid listener \"%V\"", &name);
|
|
goto fail;
|
|
}
|
|
|
|
sa->type = SOCK_STREAM;
|
|
|
|
nxt_debug(task, "router listener: \"%*s\"",
|
|
sa->length, nxt_sockaddr_start(sa));
|
|
|
|
skcf = nxt_router_socket_conf(task, mp, sa);
|
|
if (skcf == NULL) {
|
|
goto fail;
|
|
}
|
|
|
|
ret = nxt_conf_map_object(listener, nxt_router_listener_conf,
|
|
nxt_nitems(nxt_router_listener_conf), &lscf);
|
|
if (ret != NXT_OK) {
|
|
nxt_log(task, NXT_LOG_CRIT, "listener map error");
|
|
goto fail;
|
|
}
|
|
|
|
nxt_debug(task, "application: %V", &lscf.application);
|
|
|
|
// STUB, default values if http block is not defined.
|
|
skcf->header_buffer_size = 2048;
|
|
skcf->large_header_buffer_size = 8192;
|
|
skcf->header_read_timeout = 5000;
|
|
|
|
if (http != NULL) {
|
|
ret = nxt_conf_map_object(http, nxt_router_http_conf,
|
|
nxt_nitems(nxt_router_http_conf), skcf);
|
|
if (ret != NXT_OK) {
|
|
nxt_log(task, NXT_LOG_CRIT, "http map error");
|
|
goto fail;
|
|
}
|
|
}
|
|
|
|
skcf->listen.handler = nxt_router_conn_init;
|
|
skcf->router_conf = tmcf->conf;
|
|
skcf->application = nxt_router_listener_application(tmcf,
|
|
&lscf.application);
|
|
|
|
nxt_queue_insert_tail(&tmcf->pending, &skcf->link);
|
|
}
|
|
|
|
return NXT_OK;
|
|
|
|
app_fail:
|
|
|
|
nxt_free(app);
|
|
|
|
fail:
|
|
|
|
nxt_queue_each(app, &tmcf->apps, nxt_app_t, link) {
|
|
|
|
nxt_queue_remove(&app->link);
|
|
nxt_thread_mutex_destroy(&app->mutex);
|
|
nxt_free(app);
|
|
|
|
} nxt_queue_loop;
|
|
|
|
return NXT_ERROR;
|
|
}
|
|
|
|
|
|
static nxt_app_t *
|
|
nxt_router_app_find(nxt_queue_t *queue, nxt_str_t *name)
|
|
{
|
|
nxt_app_t *app;
|
|
|
|
nxt_queue_each(app, queue, nxt_app_t, link) {
|
|
|
|
if (nxt_strstr_eq(name, &app->name)) {
|
|
return app;
|
|
}
|
|
|
|
} nxt_queue_loop;
|
|
|
|
return NULL;
|
|
}
|
|
|
|
|
|
static nxt_app_t *
|
|
nxt_router_listener_application(nxt_router_temp_conf_t *tmcf, nxt_str_t *name)
|
|
{
|
|
nxt_app_t *app;
|
|
|
|
app = nxt_router_app_find(&tmcf->apps, name);
|
|
|
|
if (app == NULL) {
|
|
app = nxt_router_app_find(&tmcf->previous, name);
|
|
}
|
|
|
|
return app;
|
|
}
|
|
|
|
|
|
static nxt_socket_conf_t *
|
|
nxt_router_socket_conf(nxt_task_t *task, nxt_mp_t *mp, nxt_sockaddr_t *sa)
|
|
{
|
|
nxt_socket_conf_t *conf;
|
|
|
|
conf = nxt_mp_zget(mp, sizeof(nxt_socket_conf_t));
|
|
if (nxt_slow_path(conf == NULL)) {
|
|
return NULL;
|
|
}
|
|
|
|
conf->sockaddr = sa;
|
|
|
|
conf->listen.sockaddr = sa;
|
|
conf->listen.socklen = sa->socklen;
|
|
conf->listen.address_length = sa->length;
|
|
|
|
conf->listen.socket = -1;
|
|
conf->listen.backlog = NXT_LISTEN_BACKLOG;
|
|
conf->listen.flags = NXT_NONBLOCK;
|
|
conf->listen.read_after_accept = 1;
|
|
|
|
return conf;
|
|
}
|
|
|
|
|
|
static void
|
|
nxt_router_listen_sockets_sort(nxt_router_t *router,
|
|
nxt_router_temp_conf_t *tmcf)
|
|
{
|
|
nxt_queue_link_t *nqlk, *oqlk, *next;
|
|
nxt_socket_conf_t *nskcf, *oskcf;
|
|
|
|
for (nqlk = nxt_queue_first(&tmcf->pending);
|
|
nqlk != nxt_queue_tail(&tmcf->pending);
|
|
nqlk = next)
|
|
{
|
|
next = nxt_queue_next(nqlk);
|
|
nskcf = nxt_queue_link_data(nqlk, nxt_socket_conf_t, link);
|
|
|
|
for (oqlk = nxt_queue_first(&router->sockets);
|
|
oqlk != nxt_queue_tail(&router->sockets);
|
|
oqlk = nxt_queue_next(oqlk))
|
|
{
|
|
oskcf = nxt_queue_link_data(oqlk, nxt_socket_conf_t, link);
|
|
|
|
if (nxt_sockaddr_cmp(nskcf->sockaddr, oskcf->sockaddr)) {
|
|
nskcf->socket = oskcf->socket;
|
|
nskcf->listen.socket = oskcf->listen.socket;
|
|
|
|
nxt_queue_remove(oqlk);
|
|
nxt_queue_insert_tail(&tmcf->keeping, oqlk);
|
|
|
|
nxt_queue_remove(nqlk);
|
|
nxt_queue_insert_tail(&tmcf->updating, nqlk);
|
|
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
nxt_queue_add(&tmcf->deleting, &router->sockets);
|
|
nxt_queue_init(&router->sockets);
|
|
}
|
|
|
|
|
|
static nxt_int_t
|
|
nxt_router_listen_sockets_stub_create(nxt_task_t *task,
|
|
nxt_router_temp_conf_t *tmcf)
|
|
{
|
|
nxt_int_t ret;
|
|
nxt_socket_t s;
|
|
nxt_queue_link_t *qlk, *nqlk;
|
|
nxt_socket_conf_t *skcf;
|
|
nxt_router_socket_t *rtsk;
|
|
|
|
for (qlk = nxt_queue_first(&tmcf->pending);
|
|
qlk != nxt_queue_tail(&tmcf->pending);
|
|
qlk = nqlk)
|
|
{
|
|
skcf = nxt_queue_link_data(qlk, nxt_socket_conf_t, link);
|
|
|
|
s = nxt_listen_socket_create0(task, skcf->sockaddr, NXT_NONBLOCK);
|
|
if (nxt_slow_path(s == -1)) {
|
|
return NXT_ERROR;
|
|
}
|
|
|
|
ret = nxt_listen_socket(task, s, NXT_LISTEN_BACKLOG);
|
|
if (nxt_slow_path(ret != NXT_OK)) {
|
|
goto fail;
|
|
}
|
|
|
|
skcf->listen.socket = s;
|
|
|
|
rtsk = nxt_malloc(sizeof(nxt_router_socket_t));
|
|
if (nxt_slow_path(rtsk == NULL)) {
|
|
goto fail;
|
|
}
|
|
|
|
rtsk->count = 0;
|
|
rtsk->fd = skcf->listen.socket;
|
|
skcf->socket = rtsk;
|
|
|
|
nqlk = nxt_queue_next(qlk);
|
|
nxt_queue_remove(qlk);
|
|
nxt_queue_insert_tail(&tmcf->creating, qlk);
|
|
}
|
|
|
|
return NXT_OK;
|
|
|
|
fail:
|
|
|
|
nxt_socket_close(task, s);
|
|
|
|
return NXT_ERROR;
|
|
}
|
|
|
|
|
|
static nxt_int_t
|
|
nxt_router_engines_create(nxt_task_t *task, nxt_router_t *router,
|
|
nxt_router_temp_conf_t *tmcf, const nxt_event_interface_t *interface)
|
|
{
|
|
nxt_int_t ret;
|
|
nxt_uint_t n, threads;
|
|
nxt_queue_link_t *qlk;
|
|
nxt_router_engine_conf_t *recf;
|
|
|
|
threads = tmcf->conf->threads;
|
|
|
|
tmcf->engines = nxt_array_create(tmcf->mem_pool, threads,
|
|
sizeof(nxt_router_engine_conf_t));
|
|
if (nxt_slow_path(tmcf->engines == NULL)) {
|
|
return NXT_ERROR;
|
|
}
|
|
|
|
n = 0;
|
|
|
|
for (qlk = nxt_queue_first(&router->engines);
|
|
qlk != nxt_queue_tail(&router->engines);
|
|
qlk = nxt_queue_next(qlk))
|
|
{
|
|
recf = nxt_array_zero_add(tmcf->engines);
|
|
if (nxt_slow_path(recf == NULL)) {
|
|
return NXT_ERROR;
|
|
}
|
|
|
|
recf->engine = nxt_queue_link_data(qlk, nxt_event_engine_t, link0);
|
|
|
|
if (n < threads) {
|
|
ret = nxt_router_engine_conf_update(tmcf, recf);
|
|
|
|
} else {
|
|
ret = nxt_router_engine_conf_delete(tmcf, recf);
|
|
}
|
|
|
|
if (nxt_slow_path(ret != NXT_OK)) {
|
|
return ret;
|
|
}
|
|
|
|
n++;
|
|
}
|
|
|
|
tmcf->new_threads = n;
|
|
|
|
while (n < threads) {
|
|
recf = nxt_array_zero_add(tmcf->engines);
|
|
if (nxt_slow_path(recf == NULL)) {
|
|
return NXT_ERROR;
|
|
}
|
|
|
|
recf->engine = nxt_event_engine_create(task, interface, NULL, 0, 0);
|
|
if (nxt_slow_path(recf->engine == NULL)) {
|
|
return NXT_ERROR;
|
|
}
|
|
|
|
ret = nxt_router_engine_conf_create(tmcf, recf);
|
|
if (nxt_slow_path(ret != NXT_OK)) {
|
|
return ret;
|
|
}
|
|
|
|
nxt_queue_insert_tail(&router->engines, &recf->engine->link0);
|
|
|
|
n++;
|
|
}
|
|
|
|
return NXT_OK;
|
|
}
|
|
|
|
|
|
static nxt_int_t
|
|
nxt_router_engine_conf_create(nxt_router_temp_conf_t *tmcf,
|
|
nxt_router_engine_conf_t *recf)
|
|
{
|
|
nxt_mp_t *mp;
|
|
nxt_int_t ret;
|
|
nxt_thread_spinlock_t *lock;
|
|
|
|
recf->creating = nxt_array_create(tmcf->mem_pool, 4, sizeof(nxt_work_t));
|
|
if (nxt_slow_path(recf->creating == NULL)) {
|
|
return NXT_ERROR;
|
|
}
|
|
|
|
mp = tmcf->conf->mem_pool;
|
|
|
|
ret = nxt_router_engine_joints_create(mp, tmcf, recf, &tmcf->creating,
|
|
recf->creating, nxt_router_listen_socket_create);
|
|
if (nxt_slow_path(ret != NXT_OK)) {
|
|
return ret;
|
|
}
|
|
|
|
ret = nxt_router_engine_joints_create(mp, tmcf, recf, &tmcf->updating,
|
|
recf->creating, nxt_router_listen_socket_create);
|
|
if (nxt_slow_path(ret != NXT_OK)) {
|
|
return ret;
|
|
}
|
|
|
|
lock = &tmcf->conf->router->lock;
|
|
|
|
nxt_thread_spin_lock(lock);
|
|
|
|
nxt_router_engine_socket_count(&tmcf->creating);
|
|
nxt_router_engine_socket_count(&tmcf->updating);
|
|
|
|
nxt_thread_spin_unlock(lock);
|
|
|
|
return ret;
|
|
}
|
|
|
|
|
|
static nxt_int_t
|
|
nxt_router_engine_conf_update(nxt_router_temp_conf_t *tmcf,
|
|
nxt_router_engine_conf_t *recf)
|
|
{
|
|
nxt_mp_t *mp;
|
|
nxt_int_t ret;
|
|
nxt_thread_spinlock_t *lock;
|
|
|
|
recf->creating = nxt_array_create(tmcf->mem_pool, 4, sizeof(nxt_work_t));
|
|
if (nxt_slow_path(recf->creating == NULL)) {
|
|
return NXT_ERROR;
|
|
}
|
|
|
|
mp = tmcf->conf->mem_pool;
|
|
|
|
ret = nxt_router_engine_joints_create(mp, tmcf, recf, &tmcf->creating,
|
|
recf->creating, nxt_router_listen_socket_create);
|
|
if (nxt_slow_path(ret != NXT_OK)) {
|
|
return ret;
|
|
}
|
|
|
|
recf->updating = nxt_array_create(tmcf->mem_pool, 4, sizeof(nxt_work_t));
|
|
if (nxt_slow_path(recf->updating == NULL)) {
|
|
return NXT_ERROR;
|
|
}
|
|
|
|
ret = nxt_router_engine_joints_create(mp, tmcf, recf, &tmcf->updating,
|
|
recf->updating, nxt_router_listen_socket_update);
|
|
if (nxt_slow_path(ret != NXT_OK)) {
|
|
return ret;
|
|
}
|
|
|
|
recf->deleting = nxt_array_create(tmcf->mem_pool, 4, sizeof(nxt_work_t));
|
|
if (nxt_slow_path(recf->deleting == NULL)) {
|
|
return NXT_ERROR;
|
|
}
|
|
|
|
ret = nxt_router_engine_joints_delete(tmcf, recf, &tmcf->deleting);
|
|
if (nxt_slow_path(ret != NXT_OK)) {
|
|
return ret;
|
|
}
|
|
|
|
lock = &tmcf->conf->router->lock;
|
|
|
|
nxt_thread_spin_lock(lock);
|
|
|
|
nxt_router_engine_socket_count(&tmcf->creating);
|
|
|
|
nxt_thread_spin_unlock(lock);
|
|
|
|
return ret;
|
|
}
|
|
|
|
|
|
static nxt_int_t
|
|
nxt_router_engine_conf_delete(nxt_router_temp_conf_t *tmcf,
|
|
nxt_router_engine_conf_t *recf)
|
|
{
|
|
nxt_int_t ret;
|
|
|
|
recf->deleting = nxt_array_create(tmcf->mem_pool, 4, sizeof(nxt_work_t));
|
|
if (nxt_slow_path(recf->deleting == NULL)) {
|
|
return NXT_ERROR;
|
|
}
|
|
|
|
ret = nxt_router_engine_joints_delete(tmcf, recf, &tmcf->updating);
|
|
if (nxt_slow_path(ret != NXT_OK)) {
|
|
return ret;
|
|
}
|
|
|
|
return nxt_router_engine_joints_delete(tmcf, recf, &tmcf->deleting);
|
|
}
|
|
|
|
|
|
static nxt_int_t
|
|
nxt_router_engine_joints_create(nxt_mp_t *mp, nxt_router_temp_conf_t *tmcf,
|
|
nxt_router_engine_conf_t *recf, nxt_queue_t *sockets, nxt_array_t *array,
|
|
nxt_work_handler_t handler)
|
|
{
|
|
nxt_work_t *work, *back;
|
|
nxt_queue_link_t *qlk;
|
|
nxt_socket_conf_joint_t *joint;
|
|
|
|
for (qlk = nxt_queue_first(sockets);
|
|
qlk != nxt_queue_tail(sockets);
|
|
qlk = nxt_queue_next(qlk))
|
|
{
|
|
back = nxt_mp_get(tmcf->mem_pool, sizeof(nxt_work_t));
|
|
if (nxt_slow_path(back == NULL)) {
|
|
return NXT_ERROR;
|
|
}
|
|
|
|
back->next = NULL;
|
|
back->handler = nxt_router_conf_wait;
|
|
back->task = &tmcf->engine->task;
|
|
back->obj = tmcf;
|
|
back->data = NULL;
|
|
|
|
work = nxt_array_add(array);
|
|
if (nxt_slow_path(work == NULL)) {
|
|
return NXT_ERROR;
|
|
}
|
|
|
|
work->next = NULL;
|
|
work->handler = handler;
|
|
work->task = &recf->engine->task;
|
|
work->obj = back;
|
|
|
|
joint = nxt_mp_alloc(mp, sizeof(nxt_socket_conf_joint_t));
|
|
if (nxt_slow_path(joint == NULL)) {
|
|
return NXT_ERROR;
|
|
}
|
|
|
|
work->data = joint;
|
|
|
|
joint->count = 1;
|
|
joint->socket_conf = nxt_queue_link_data(qlk, nxt_socket_conf_t, link);
|
|
joint->engine = recf->engine;
|
|
|
|
nxt_queue_insert_tail(&joint->engine->joints, &joint->link);
|
|
}
|
|
|
|
return NXT_OK;
|
|
}
|
|
|
|
|
|
static void
|
|
nxt_router_engine_socket_count(nxt_queue_t *sockets)
|
|
{
|
|
nxt_queue_link_t *qlk;
|
|
nxt_socket_conf_t *skcf;
|
|
|
|
for (qlk = nxt_queue_first(sockets);
|
|
qlk != nxt_queue_tail(sockets);
|
|
qlk = nxt_queue_next(qlk))
|
|
{
|
|
skcf = nxt_queue_link_data(qlk, nxt_socket_conf_t, link);
|
|
skcf->socket->count++;
|
|
}
|
|
}
|
|
|
|
|
|
static nxt_int_t
|
|
nxt_router_engine_joints_delete(nxt_router_temp_conf_t *tmcf,
|
|
nxt_router_engine_conf_t *recf, nxt_queue_t *sockets)
|
|
{
|
|
nxt_work_t *work, *back;
|
|
nxt_queue_link_t *qlk;
|
|
|
|
for (qlk = nxt_queue_first(sockets);
|
|
qlk != nxt_queue_tail(sockets);
|
|
qlk = nxt_queue_next(qlk))
|
|
{
|
|
back = nxt_mp_get(tmcf->mem_pool, sizeof(nxt_work_t));
|
|
if (nxt_slow_path(back == NULL)) {
|
|
return NXT_ERROR;
|
|
}
|
|
|
|
back->next = NULL;
|
|
back->handler = nxt_router_conf_wait;
|
|
back->task = &tmcf->engine->task;
|
|
back->obj = tmcf;
|
|
back->data = NULL;
|
|
|
|
work = nxt_array_add(recf->deleting);
|
|
if (nxt_slow_path(work == NULL)) {
|
|
return NXT_ERROR;
|
|
}
|
|
|
|
work->next = NULL;
|
|
work->handler = nxt_router_listen_socket_delete;
|
|
work->task = &recf->engine->task;
|
|
work->obj = back;
|
|
work->data = nxt_queue_link_data(qlk, nxt_socket_conf_t, link);
|
|
}
|
|
|
|
return NXT_OK;
|
|
}
|
|
|
|
|
|
static nxt_int_t
|
|
nxt_router_threads_create(nxt_task_t *task, nxt_runtime_t *rt,
|
|
nxt_router_temp_conf_t *tmcf)
|
|
{
|
|
nxt_int_t ret;
|
|
nxt_uint_t i, threads;
|
|
nxt_router_engine_conf_t *recf;
|
|
|
|
recf = tmcf->engines->elts;
|
|
threads = tmcf->conf->threads;
|
|
|
|
for (i = tmcf->new_threads; i < threads; i++) {
|
|
ret = nxt_router_thread_create(task, rt, recf[i].engine);
|
|
if (nxt_slow_path(ret != NXT_OK)) {
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
return NXT_OK;
|
|
}
|
|
|
|
|
|
static nxt_int_t
|
|
nxt_router_thread_create(nxt_task_t *task, nxt_runtime_t *rt,
|
|
nxt_event_engine_t *engine)
|
|
{
|
|
nxt_int_t ret;
|
|
nxt_thread_link_t *link;
|
|
nxt_thread_handle_t handle;
|
|
|
|
link = nxt_zalloc(sizeof(nxt_thread_link_t));
|
|
|
|
if (nxt_slow_path(link == NULL)) {
|
|
return NXT_ERROR;
|
|
}
|
|
|
|
link->start = nxt_router_thread_start;
|
|
link->engine = engine;
|
|
link->work.handler = nxt_router_thread_exit_handler;
|
|
link->work.task = task;
|
|
link->work.data = link;
|
|
|
|
nxt_queue_insert_tail(&rt->engines, &engine->link);
|
|
|
|
ret = nxt_thread_create(&handle, link);
|
|
|
|
if (nxt_slow_path(ret != NXT_OK)) {
|
|
nxt_queue_remove(&engine->link);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
|
|
static void
|
|
nxt_router_apps_sort(nxt_router_t *router, nxt_router_temp_conf_t *tmcf)
|
|
{
|
|
nxt_app_t *app;
|
|
|
|
nxt_queue_each(app, &router->apps, nxt_app_t, link) {
|
|
|
|
nxt_queue_remove(&app->link);
|
|
|
|
// TODO RELEASE APP
|
|
#if 0
|
|
nxt_thread_mutex_destroy(&app->mutex);
|
|
nxt_free(app);
|
|
#endif
|
|
} nxt_queue_loop;
|
|
|
|
nxt_queue_add(&router->apps, &tmcf->previous);
|
|
nxt_queue_add(&router->apps, &tmcf->apps);
|
|
}
|
|
|
|
|
|
static void
|
|
nxt_router_engines_post(nxt_router_temp_conf_t *tmcf)
|
|
{
|
|
nxt_uint_t n;
|
|
nxt_router_engine_conf_t *recf;
|
|
|
|
recf = tmcf->engines->elts;
|
|
|
|
for (n = tmcf->engines->nelts; n != 0; n--) {
|
|
nxt_router_engine_post(tmcf, recf);
|
|
recf++;
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
nxt_router_engine_post(nxt_router_temp_conf_t *tmcf,
|
|
nxt_router_engine_conf_t *recf)
|
|
{
|
|
nxt_uint_t n;
|
|
nxt_work_t *work;
|
|
|
|
if (recf->creating != NULL) {
|
|
work = recf->creating->elts;
|
|
|
|
for (n = recf->creating->nelts; n != 0; n--) {
|
|
nxt_event_engine_post(recf->engine, work);
|
|
work++;
|
|
tmcf->count++;
|
|
}
|
|
}
|
|
|
|
if (recf->updating != NULL) {
|
|
work = recf->updating->elts;
|
|
|
|
for (n = recf->updating->nelts; n != 0; n--) {
|
|
nxt_event_engine_post(recf->engine, work);
|
|
work++;
|
|
tmcf->count++;
|
|
}
|
|
}
|
|
|
|
if (recf->deleting != NULL) {
|
|
work = recf->deleting->elts;
|
|
|
|
for (n = recf->deleting->nelts; n != 0; n--) {
|
|
nxt_event_engine_post(recf->engine, work);
|
|
work++;
|
|
tmcf->count++;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
nxt_router_app_data_handler(nxt_task_t *task, nxt_port_recv_msg_t *msg);
|
|
|
|
static nxt_port_handler_t nxt_router_app_port_handlers[] = {
|
|
NULL,
|
|
nxt_port_new_port_handler,
|
|
nxt_port_change_log_file_handler,
|
|
nxt_port_mmap_handler,
|
|
nxt_router_app_data_handler,
|
|
nxt_port_remove_pid_handler,
|
|
};
|
|
|
|
|
|
static void
|
|
nxt_router_thread_start(void *data)
|
|
{
|
|
nxt_int_t ret;
|
|
nxt_port_t *port;
|
|
nxt_task_t *task;
|
|
nxt_thread_t *thread;
|
|
nxt_thread_link_t *link;
|
|
nxt_event_engine_t *engine;
|
|
|
|
link = data;
|
|
engine = link->engine;
|
|
task = &engine->task;
|
|
|
|
thread = nxt_thread();
|
|
|
|
/* STUB */
|
|
thread->runtime = engine->task.thread->runtime;
|
|
|
|
engine->task.thread = thread;
|
|
engine->task.log = thread->log;
|
|
thread->engine = engine;
|
|
thread->task = &engine->task;
|
|
thread->fiber = &engine->fibers->fiber;
|
|
|
|
engine->mem_pool = nxt_mp_create(4096, 128, 1024, 64);
|
|
|
|
port = nxt_mp_zalloc(engine->mem_pool, sizeof(nxt_port_t));
|
|
if (nxt_slow_path(port == NULL)) {
|
|
return;
|
|
}
|
|
|
|
port->id = nxt_port_get_next_id();
|
|
port->pid = nxt_pid;
|
|
|
|
ret = nxt_port_socket_init(task, port, 0);
|
|
if (nxt_slow_path(ret != NXT_OK)) {
|
|
return;
|
|
}
|
|
|
|
port->type = NXT_PROCESS_ROUTER;
|
|
|
|
engine->port = port;
|
|
|
|
nxt_port_enable(task, port, nxt_router_app_port_handlers);
|
|
|
|
nxt_event_engine_start(engine);
|
|
}
|
|
|
|
|
|
static void
|
|
nxt_router_listen_socket_create(nxt_task_t *task, void *obj, void *data)
|
|
{
|
|
nxt_work_t *work;
|
|
nxt_listen_event_t *listen;
|
|
nxt_listen_socket_t *ls;
|
|
nxt_router_temp_conf_t *tmcf;
|
|
nxt_socket_conf_joint_t *joint;
|
|
|
|
work = obj;
|
|
joint = data;
|
|
|
|
ls = &joint->socket_conf->listen;
|
|
|
|
listen = nxt_listen_event(task, ls);
|
|
if (nxt_slow_path(listen == NULL)) {
|
|
nxt_router_listen_socket_release(task, joint);
|
|
return;
|
|
}
|
|
|
|
listen->socket.data = joint;
|
|
|
|
tmcf = work->obj;
|
|
nxt_event_engine_post(tmcf->engine, work);
|
|
}
|
|
|
|
|
|
nxt_inline nxt_listen_event_t *
|
|
nxt_router_listen_event(nxt_queue_t *listen_connections,
|
|
nxt_socket_conf_t *skcf)
|
|
{
|
|
nxt_socket_t fd;
|
|
nxt_queue_link_t *qlk;
|
|
nxt_listen_event_t *listen;
|
|
|
|
fd = skcf->socket->fd;
|
|
|
|
for (qlk = nxt_queue_first(listen_connections);
|
|
qlk != nxt_queue_tail(listen_connections);
|
|
qlk = nxt_queue_next(qlk))
|
|
{
|
|
listen = nxt_queue_link_data(qlk, nxt_listen_event_t, link);
|
|
|
|
if (fd == listen->socket.fd) {
|
|
return listen;
|
|
}
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
|
|
static void
|
|
nxt_router_listen_socket_update(nxt_task_t *task, void *obj, void *data)
|
|
{
|
|
nxt_work_t *work;
|
|
nxt_event_engine_t *engine;
|
|
nxt_listen_event_t *listen;
|
|
nxt_router_temp_conf_t *tmcf;
|
|
nxt_socket_conf_joint_t *joint, *old;
|
|
|
|
work = obj;
|
|
joint = data;
|
|
|
|
engine = task->thread->engine;
|
|
|
|
listen = nxt_router_listen_event(&engine->listen_connections,
|
|
joint->socket_conf);
|
|
|
|
old = listen->socket.data;
|
|
listen->socket.data = joint;
|
|
|
|
tmcf = work->obj;
|
|
nxt_event_engine_post(tmcf->engine, work);
|
|
|
|
nxt_router_conf_release(task, old);
|
|
}
|
|
|
|
|
|
static void
|
|
nxt_router_listen_socket_delete(nxt_task_t *task, void *obj, void *data)
|
|
{
|
|
nxt_work_t *work;
|
|
nxt_socket_conf_t *skcf;
|
|
nxt_listen_event_t *listen;
|
|
nxt_event_engine_t *engine;
|
|
nxt_router_temp_conf_t *tmcf;
|
|
|
|
work = obj;
|
|
skcf = data;
|
|
|
|
engine = task->thread->engine;
|
|
|
|
listen = nxt_router_listen_event(&engine->listen_connections, skcf);
|
|
|
|
nxt_fd_event_delete(engine, &listen->socket);
|
|
|
|
listen->timer.handler = nxt_router_listen_socket_close;
|
|
listen->timer.work_queue = &engine->fast_work_queue;
|
|
|
|
nxt_timer_add(engine, &listen->timer, 0);
|
|
|
|
tmcf = work->obj;
|
|
nxt_event_engine_post(tmcf->engine, work);
|
|
}
|
|
|
|
|
|
static void
|
|
nxt_router_listen_socket_close(nxt_task_t *task, void *obj, void *data)
|
|
{
|
|
nxt_timer_t *timer;
|
|
nxt_listen_event_t *listen;
|
|
nxt_socket_conf_joint_t *joint;
|
|
|
|
timer = obj;
|
|
listen = nxt_timer_data(timer, nxt_listen_event_t, timer);
|
|
joint = listen->socket.data;
|
|
|
|
nxt_queue_remove(&listen->link);
|
|
|
|
/* 'task' refers to listen->task and we cannot use after nxt_free() */
|
|
task = &task->thread->engine->task;
|
|
|
|
nxt_free(listen);
|
|
|
|
nxt_router_listen_socket_release(task, joint);
|
|
}
|
|
|
|
|
|
static void
|
|
nxt_router_listen_socket_release(nxt_task_t *task,
|
|
nxt_socket_conf_joint_t *joint)
|
|
{
|
|
nxt_socket_conf_t *skcf;
|
|
nxt_router_socket_t *rtsk;
|
|
nxt_thread_spinlock_t *lock;
|
|
|
|
skcf = joint->socket_conf;
|
|
rtsk = skcf->socket;
|
|
lock = &skcf->router_conf->router->lock;
|
|
|
|
nxt_thread_spin_lock(lock);
|
|
|
|
if (--rtsk->count != 0) {
|
|
rtsk = NULL;
|
|
}
|
|
|
|
nxt_thread_spin_unlock(lock);
|
|
|
|
if (rtsk != NULL) {
|
|
nxt_socket_close(task, rtsk->fd);
|
|
nxt_free(rtsk);
|
|
skcf->socket = NULL;
|
|
}
|
|
|
|
nxt_router_conf_release(task, joint);
|
|
}
|
|
|
|
|
|
static void
|
|
nxt_router_conf_release(nxt_task_t *task, nxt_socket_conf_joint_t *joint)
|
|
{
|
|
nxt_socket_conf_t *skcf;
|
|
nxt_router_conf_t *rtcf;
|
|
nxt_thread_spinlock_t *lock;
|
|
|
|
nxt_debug(task, "conf joint count: %D", joint->count);
|
|
|
|
if (--joint->count != 0) {
|
|
return;
|
|
}
|
|
|
|
nxt_queue_remove(&joint->link);
|
|
|
|
skcf = joint->socket_conf;
|
|
rtcf = skcf->router_conf;
|
|
lock = &rtcf->router->lock;
|
|
|
|
nxt_thread_spin_lock(lock);
|
|
|
|
if (--skcf->count != 0) {
|
|
rtcf = NULL;
|
|
|
|
} else {
|
|
nxt_queue_remove(&skcf->link);
|
|
|
|
if (--rtcf->count != 0) {
|
|
rtcf = NULL;
|
|
}
|
|
}
|
|
|
|
nxt_thread_spin_unlock(lock);
|
|
|
|
/* TODO remove engine->port */
|
|
/* TODO excude from connected ports */
|
|
|
|
if (rtcf != NULL) {
|
|
nxt_debug(task, "old router conf is destroyed");
|
|
|
|
nxt_mp_thread_adopt(rtcf->mem_pool);
|
|
|
|
nxt_mp_destroy(rtcf->mem_pool);
|
|
}
|
|
|
|
if (nxt_queue_is_empty(&joint->engine->joints)) {
|
|
nxt_thread_exit(task->thread);
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
nxt_router_thread_exit_handler(nxt_task_t *task, void *obj, void *data)
|
|
{
|
|
nxt_port_t *port;
|
|
nxt_thread_link_t *link;
|
|
nxt_event_engine_t *engine;
|
|
nxt_thread_handle_t handle;
|
|
|
|
handle = (nxt_thread_handle_t) obj;
|
|
link = data;
|
|
|
|
nxt_thread_wait(handle);
|
|
|
|
engine = link->engine;
|
|
|
|
nxt_queue_remove(&engine->link);
|
|
|
|
port = engine->port;
|
|
|
|
// TODO notify all apps
|
|
|
|
if (port->pair[0] != -1) {
|
|
nxt_fd_close(port->pair[0]);
|
|
}
|
|
|
|
if (port->pair[1] != -1) {
|
|
nxt_fd_close(port->pair[1]);
|
|
}
|
|
|
|
if (port->mem_pool) {
|
|
nxt_mp_destroy(port->mem_pool);
|
|
}
|
|
|
|
nxt_mp_destroy(engine->mem_pool);
|
|
|
|
nxt_event_engine_free(engine);
|
|
|
|
nxt_free(link);
|
|
}
|
|
|
|
|
|
static const nxt_conn_state_t nxt_router_conn_read_state
|
|
nxt_aligned(64) =
|
|
{
|
|
.ready_handler = nxt_router_conn_http_header_parse,
|
|
.close_handler = nxt_router_conn_close,
|
|
.error_handler = nxt_router_conn_error,
|
|
|
|
.timer_handler = nxt_router_conn_timeout,
|
|
.timer_value = nxt_router_conn_timeout_value,
|
|
.timer_data = offsetof(nxt_socket_conf_t, header_read_timeout),
|
|
};
|
|
|
|
|
|
static void
|
|
nxt_router_conn_init(nxt_task_t *task, void *obj, void *data)
|
|
{
|
|
size_t size;
|
|
nxt_conn_t *c;
|
|
nxt_event_engine_t *engine;
|
|
nxt_socket_conf_joint_t *joint;
|
|
|
|
c = obj;
|
|
joint = data;
|
|
|
|
nxt_debug(task, "router conn init");
|
|
|
|
joint->count++;
|
|
|
|
size = joint->socket_conf->header_buffer_size;
|
|
c->read = nxt_buf_mem_alloc(c->mem_pool, size, 0);
|
|
|
|
c->socket.data = NULL;
|
|
|
|
engine = task->thread->engine;
|
|
c->read_work_queue = &engine->fast_work_queue;
|
|
c->write_work_queue = &engine->fast_work_queue;
|
|
|
|
c->read_state = &nxt_router_conn_read_state;
|
|
|
|
nxt_conn_read(engine, c);
|
|
}
|
|
|
|
|
|
static const nxt_conn_state_t nxt_router_conn_write_state
|
|
nxt_aligned(64) =
|
|
{
|
|
.ready_handler = nxt_router_conn_ready,
|
|
.close_handler = nxt_router_conn_close,
|
|
.error_handler = nxt_router_conn_error,
|
|
};
|
|
|
|
|
|
static void
|
|
nxt_router_app_data_handler(nxt_task_t *task, nxt_port_recv_msg_t *msg)
|
|
{
|
|
size_t dump_size;
|
|
nxt_buf_t *b, *i, *last;
|
|
nxt_conn_t *c;
|
|
nxt_req_conn_link_t *rc;
|
|
nxt_event_engine_t *engine;
|
|
|
|
b = msg->buf;
|
|
engine = task->thread->engine;
|
|
|
|
rc = nxt_event_engine_request_find(engine, msg->port_msg.stream);
|
|
if (nxt_slow_path(rc == NULL)) {
|
|
|
|
nxt_debug(task, "request id %08uxD not found", msg->port_msg.stream);
|
|
|
|
/* Mark buffers as read. */
|
|
for (i = b; i != NULL; i = i->next) {
|
|
i->mem.pos = i->mem.free;
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
c = rc->conn;
|
|
|
|
dump_size = nxt_buf_used_size(b);
|
|
|
|
if (dump_size > 300) {
|
|
dump_size = 300;
|
|
}
|
|
|
|
nxt_debug(task, "%srouter app data (%z): %*s",
|
|
msg->port_msg.last ? "last " : "", msg->size, dump_size,
|
|
b->mem.pos);
|
|
|
|
if (msg->size == 0) {
|
|
b = NULL;
|
|
}
|
|
|
|
if (msg->port_msg.last != 0) {
|
|
nxt_debug(task, "router data create last buf");
|
|
|
|
last = nxt_buf_sync_alloc(c->mem_pool, NXT_BUF_SYNC_LAST);
|
|
if (nxt_slow_path(last == NULL)) {
|
|
/* TODO pogorevaTb */
|
|
}
|
|
|
|
nxt_buf_chain_add(&b, last);
|
|
}
|
|
|
|
if (b == NULL) {
|
|
return;
|
|
}
|
|
|
|
if (c->write == NULL) {
|
|
c->write = b;
|
|
c->write_state = &nxt_router_conn_write_state;
|
|
|
|
nxt_conn_write(task->thread->engine, c);
|
|
} else {
|
|
nxt_debug(task, "router data attach out bufs to existing chain");
|
|
|
|
nxt_buf_chain_add(&c->write, b);
|
|
}
|
|
}
|
|
|
|
nxt_inline const char *
|
|
nxt_router_text_by_code(int code)
|
|
{
|
|
switch (code) {
|
|
case 400: return "Bad request";
|
|
case 404: return "Not found";
|
|
case 403: return "Forbidden";
|
|
case 500:
|
|
default: return "Internal server error";
|
|
}
|
|
}
|
|
|
|
static void
|
|
nxt_router_gen_error(nxt_task_t *task, nxt_conn_t *c, int code,
|
|
const char* fmt, ...)
|
|
{
|
|
va_list args;
|
|
nxt_buf_t *b, *last;
|
|
const char *msg;
|
|
|
|
b = nxt_buf_mem_alloc(c->mem_pool, 16384, 0);
|
|
if (nxt_slow_path(b == NULL)) {
|
|
/* TODO pogorevaTb */
|
|
}
|
|
|
|
b->mem.free = nxt_sprintf(b->mem.free, b->mem.end,
|
|
"HTTP/1.0 %d %s\r\n"
|
|
"Content-Type: text/plain\r\n"
|
|
"Connection: close\r\n\r\n",
|
|
code, nxt_router_text_by_code(code));
|
|
|
|
msg = (const char *) b->mem.free;
|
|
|
|
va_start(args, fmt);
|
|
b->mem.free = nxt_vsprintf(b->mem.free, b->mem.end, fmt, args);
|
|
va_end(args);
|
|
|
|
nxt_log_alert(task->log, "error %d: %s", code, msg);
|
|
|
|
last = nxt_buf_sync_alloc(c->mem_pool, NXT_BUF_SYNC_LAST);
|
|
if (nxt_slow_path(last == NULL)) {
|
|
/* TODO pogorevaTb */
|
|
}
|
|
|
|
nxt_buf_chain_add(&b, last);
|
|
|
|
if (c->write == NULL) {
|
|
c->write = b;
|
|
c->write_state = &nxt_router_conn_write_state;
|
|
|
|
nxt_conn_write(task->thread->engine, c);
|
|
} else {
|
|
nxt_debug(task, "router data attach out bufs to existing chain");
|
|
|
|
nxt_buf_chain_add(&c->write, b);
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
nxt_router_send_sw_request(nxt_task_t *task, void *obj, void *data)
|
|
{
|
|
nxt_buf_t *b;
|
|
nxt_app_t *app;
|
|
nxt_port_t *port;
|
|
nxt_runtime_t *rt;
|
|
nxt_start_worker_t *sw;
|
|
|
|
sw = obj;
|
|
app = sw->app;
|
|
|
|
nxt_debug(task, "send sw #%uD", sw->stream);
|
|
|
|
nxt_router_sw_add(task, nxt_router, sw);
|
|
nxt_queue_insert_tail(&app->requests, &sw->rc->app_link);
|
|
|
|
rt = task->thread->runtime;
|
|
port = rt->port_by_type[NXT_PROCESS_MASTER];
|
|
|
|
b = nxt_buf_mem_alloc(port->mem_pool, app->conf.length, 0);
|
|
|
|
nxt_buf_cpystr(b, &app->conf);
|
|
|
|
nxt_port_socket_write(task, port, NXT_PORT_MSG_DATA, -1, sw->stream, 0, b);
|
|
}
|
|
|
|
|
|
static nxt_port_t *
|
|
nxt_router_app_get_port(nxt_app_t *app)
|
|
{
|
|
nxt_port_t *port;
|
|
nxt_queue_link_t *lnk;
|
|
|
|
port = NULL;
|
|
|
|
nxt_thread_mutex_lock(&app->mutex);
|
|
|
|
if (!nxt_queue_is_empty(&app->ports)) {
|
|
lnk = nxt_queue_first(&app->ports);
|
|
nxt_queue_remove(lnk);
|
|
|
|
lnk->next = NULL;
|
|
|
|
port = nxt_queue_link_data(lnk, nxt_port_t, app_link);
|
|
}
|
|
|
|
nxt_thread_mutex_unlock(&app->mutex);
|
|
|
|
return port;
|
|
}
|
|
|
|
|
|
static void
|
|
nxt_router_app_release_port(nxt_task_t *task, void *obj, void *data)
|
|
{
|
|
nxt_app_t *app;
|
|
nxt_port_t *port;
|
|
nxt_work_t *work;
|
|
nxt_queue_link_t *lnk;
|
|
nxt_req_conn_link_t *rc;
|
|
|
|
port = obj;
|
|
app = data;
|
|
|
|
nxt_assert(app != NULL);
|
|
nxt_assert(app == port->app);
|
|
nxt_assert(port->app_link.next == NULL);
|
|
|
|
|
|
if (task->thread->engine != port->engine) {
|
|
work = (nxt_work_t *) (port + 1);
|
|
|
|
nxt_debug(task, "post release port to engine %p", port->engine);
|
|
|
|
work->next = NULL;
|
|
work->handler = nxt_router_app_release_port;
|
|
work->task = port->socket.task;
|
|
work->obj = port;
|
|
work->data = app;
|
|
|
|
nxt_event_engine_post(port->engine, work);
|
|
|
|
return;
|
|
}
|
|
|
|
if (!nxt_queue_is_empty(&app->requests)) {
|
|
lnk = nxt_queue_first(&app->requests);
|
|
nxt_queue_remove(lnk);
|
|
|
|
rc = nxt_queue_link_data(lnk, nxt_req_conn_link_t, app_link);
|
|
|
|
nxt_debug(task, "process request #%uxD", rc->req_id);
|
|
|
|
rc->app_port = port;
|
|
|
|
nxt_router_process_http_request_mp(task, rc, rc->app_port->mem_pool);
|
|
|
|
return;
|
|
}
|
|
|
|
nxt_debug(task, "app requests queue is empty");
|
|
|
|
nxt_thread_mutex_lock(&app->mutex);
|
|
|
|
nxt_queue_insert_head(&app->ports, &port->app_link);
|
|
|
|
nxt_thread_mutex_unlock(&app->mutex);
|
|
}
|
|
|
|
|
|
void
|
|
nxt_router_app_remove_port(nxt_port_t *port)
|
|
{
|
|
nxt_app_t *app;
|
|
|
|
if (port->app_link.next == NULL) {
|
|
return;
|
|
}
|
|
|
|
app = port->app;
|
|
|
|
#if (NXT_DEBUG)
|
|
if (nxt_slow_path(app == NULL)) {
|
|
nxt_abort();
|
|
}
|
|
#endif
|
|
|
|
nxt_thread_mutex_lock(&app->mutex);
|
|
|
|
nxt_queue_remove(&port->app_link);
|
|
port->app_link.next = NULL;
|
|
|
|
nxt_thread_mutex_unlock(&app->mutex);
|
|
}
|
|
|
|
|
|
nxt_inline nxt_int_t
|
|
nxt_router_app_port(nxt_task_t *task, nxt_req_conn_link_t *rc)
|
|
{
|
|
nxt_app_t *app;
|
|
nxt_conn_t *c;
|
|
nxt_port_t *port, *master_port;
|
|
nxt_runtime_t *rt;
|
|
nxt_start_worker_t *sw;
|
|
nxt_socket_conf_joint_t *joint;
|
|
|
|
port = NULL;
|
|
c = rc->conn;
|
|
|
|
joint = c->listen->socket.data;
|
|
app = joint->socket_conf->application;
|
|
|
|
|
|
if (app == NULL) {
|
|
nxt_router_gen_error(task, rc->conn, 500,
|
|
"Application is NULL in socket_conf");
|
|
return NXT_ERROR;
|
|
}
|
|
|
|
|
|
port = nxt_router_app_get_port(app);
|
|
|
|
if (port != NULL) {
|
|
rc->app_port = port;
|
|
return NXT_OK;
|
|
}
|
|
|
|
|
|
sw = nxt_mp_retain(c->mem_pool, sizeof(nxt_start_worker_t));
|
|
|
|
if (nxt_slow_path(sw == NULL)) {
|
|
nxt_router_gen_error(task, rc->conn, 500,
|
|
"Failed to allocate start worker struct");
|
|
return NXT_ERROR;
|
|
}
|
|
|
|
nxt_memzero(sw, sizeof(nxt_start_worker_t));
|
|
|
|
sw->stream = nxt_random(&task->thread->random);
|
|
sw->app = app;
|
|
sw->rc = rc;
|
|
sw->mem_pool = c->mem_pool;
|
|
sw->joint = c->listen->socket.data;
|
|
|
|
sw->work.handler = nxt_router_send_sw_request;
|
|
sw->work.task = task;
|
|
sw->work.obj = sw;
|
|
sw->work.data = task->thread->engine;
|
|
|
|
rt = task->thread->runtime;
|
|
|
|
master_port = rt->port_by_type[NXT_PROCESS_MASTER];
|
|
|
|
nxt_debug(task, "post send sw %uxD to master engine %p", sw->stream,
|
|
master_port->engine);
|
|
|
|
nxt_event_engine_post(master_port->engine, &sw->work);
|
|
|
|
return NXT_AGAIN;
|
|
}
|
|
|
|
|
|
static void
|
|
nxt_router_conn_http_header_parse(nxt_task_t *task, void *obj, void *data)
|
|
{
|
|
size_t size, preread;
|
|
nxt_int_t ret;
|
|
nxt_buf_t *b;
|
|
nxt_conn_t *c;
|
|
nxt_app_parse_ctx_t *ap;
|
|
nxt_socket_conf_joint_t *joint;
|
|
nxt_app_request_header_t *h;
|
|
|
|
c = obj;
|
|
ap = data;
|
|
b = c->read;
|
|
|
|
nxt_debug(task, "router conn http header parse");
|
|
|
|
if (ap == NULL) {
|
|
ap = nxt_mp_zget(c->mem_pool, sizeof(nxt_app_parse_ctx_t));
|
|
if (nxt_slow_path(ap == NULL)) {
|
|
nxt_router_conn_close(task, c, data);
|
|
return;
|
|
}
|
|
|
|
ret = nxt_app_http_req_init(task, ap);
|
|
if (nxt_slow_path(ret != NXT_OK)) {
|
|
nxt_router_conn_close(task, c, data);
|
|
return;
|
|
}
|
|
|
|
c->socket.data = ap;
|
|
|
|
ap->r.remote.start = nxt_sockaddr_address(c->remote);
|
|
ap->r.remote.length = c->remote->address_length;
|
|
}
|
|
|
|
h = &ap->r.header;
|
|
|
|
ret = nxt_app_http_req_parse(task, ap, b);
|
|
|
|
nxt_debug(task, "http parse request: %d", ret);
|
|
|
|
switch (nxt_expect(NXT_DONE, ret)) {
|
|
|
|
case NXT_DONE:
|
|
preread = nxt_buf_mem_used_size(&b->mem);
|
|
|
|
nxt_debug(task, "router request header parsing complete, "
|
|
"content length: %O, preread: %uz",
|
|
h->parsed_content_length, preread);
|
|
|
|
nxt_router_process_http_request(task, c, ap);
|
|
return;
|
|
|
|
case NXT_ERROR:
|
|
nxt_router_conn_close(task, c, data);
|
|
return;
|
|
|
|
default: /* NXT_AGAIN */
|
|
|
|
if (h->done == 0) {
|
|
|
|
if (c->read->mem.free == c->read->mem.end) {
|
|
joint = c->listen->socket.data;
|
|
size = joint->socket_conf->large_header_buffer_size;
|
|
|
|
if (size > (size_t) nxt_buf_mem_size(&b->mem)) {
|
|
b = nxt_buf_mem_alloc(c->mem_pool, size, 0);
|
|
if (nxt_slow_path(b == NULL)) {
|
|
nxt_router_conn_close(task, c, data);
|
|
return;
|
|
}
|
|
|
|
size = c->read->mem.free - c->read->mem.pos;
|
|
|
|
c->read = nxt_buf_cpy(b, c->read->mem.pos, size);
|
|
} else {
|
|
nxt_router_gen_error(task, c, 400,
|
|
"Too long request headers");
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (ap->r.body.done == 0) {
|
|
|
|
preread = nxt_buf_mem_used_size(&b->mem);
|
|
|
|
if (h->parsed_content_length - preread >
|
|
(size_t) nxt_buf_mem_free_size(&b->mem)) {
|
|
|
|
b = nxt_buf_mem_alloc(c->mem_pool, h->parsed_content_length, 0);
|
|
if (nxt_slow_path(b == NULL)) {
|
|
nxt_router_gen_error(task, c, 500, "Failed to allocate "
|
|
"buffer for request body");
|
|
return;
|
|
}
|
|
|
|
c->read = nxt_buf_cpy(b, c->read->mem.pos, preread);
|
|
}
|
|
|
|
nxt_debug(task, "router request body read again, rest: %uz",
|
|
h->parsed_content_length - preread);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
nxt_conn_read(task->thread->engine, c);
|
|
}
|
|
|
|
|
|
static void
|
|
nxt_router_process_http_request(nxt_task_t *task, nxt_conn_t *c,
|
|
nxt_app_parse_ctx_t *ap)
|
|
{
|
|
nxt_int_t res;
|
|
nxt_req_id_t req_id;
|
|
nxt_event_engine_t *engine;
|
|
nxt_req_conn_link_t *rc;
|
|
|
|
engine = task->thread->engine;
|
|
|
|
do {
|
|
req_id = nxt_random(&task->thread->random);
|
|
} while (nxt_event_engine_request_find(engine, req_id) != NULL);
|
|
|
|
rc = nxt_conn_request_add(c, req_id);
|
|
|
|
if (nxt_slow_path(rc == NULL)) {
|
|
nxt_router_gen_error(task, c, 500, "Failed to allocate "
|
|
"req->conn link");
|
|
|
|
return;
|
|
}
|
|
|
|
nxt_event_engine_request_add(engine, rc);
|
|
|
|
nxt_debug(task, "req_id %uxD linked to conn %p at engine %p",
|
|
req_id, c, engine);
|
|
|
|
rc->reply_port = engine->port;
|
|
|
|
res = nxt_router_app_port(task, rc);
|
|
|
|
if (res != NXT_OK) {
|
|
return;
|
|
}
|
|
|
|
nxt_router_process_http_request_mp(task, rc, c->mem_pool);
|
|
}
|
|
|
|
|
|
static void
|
|
nxt_router_process_http_request_mp(nxt_task_t *task, nxt_req_conn_link_t *rc,
|
|
nxt_mp_t *mp)
|
|
{
|
|
nxt_mp_t *port_mp;
|
|
nxt_int_t res;
|
|
nxt_port_t *port, *c_port, *reply_port;
|
|
nxt_app_wmsg_t wmsg;
|
|
nxt_app_parse_ctx_t *ap;
|
|
|
|
port = rc->app_port;
|
|
|
|
if (nxt_slow_path(port == NULL)) {
|
|
nxt_router_gen_error(task, rc->conn, 500, "Application port not found");
|
|
return;
|
|
}
|
|
|
|
reply_port = rc->reply_port;
|
|
ap = rc->conn->socket.data;
|
|
|
|
port_mp = port->mem_pool;
|
|
port->mem_pool = mp;
|
|
|
|
c_port = nxt_process_connected_port_find(port->process, reply_port->pid,
|
|
reply_port->id);
|
|
if (nxt_slow_path(c_port != reply_port)) {
|
|
res = nxt_port_send_port(task, port, reply_port, 0);
|
|
|
|
if (nxt_slow_path(res != NXT_OK)) {
|
|
nxt_router_gen_error(task, rc->conn, 500,
|
|
"Failed to send reply port to application");
|
|
goto fail;
|
|
}
|
|
|
|
nxt_process_connected_port_add(port->process, reply_port);
|
|
}
|
|
|
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wmsg.port = port;
|
|
wmsg.write = NULL;
|
|
wmsg.buf = &wmsg.write;
|
|
wmsg.stream = rc->req_id;
|
|
|
|
res = rc->app_port->app->module->prepare_msg(task, &ap->r, &wmsg);
|
|
|
|
if (nxt_slow_path(res != NXT_OK)) {
|
|
nxt_router_gen_error(task, rc->conn, 500,
|
|
"Failed to prepare message for application");
|
|
goto fail;
|
|
}
|
|
|
|
nxt_debug(task, "about to send %d bytes buffer to worker port %d",
|
|
nxt_buf_used_size(wmsg.write),
|
|
wmsg.port->socket.fd);
|
|
|
|
res = nxt_port_socket_write(task, wmsg.port, NXT_PORT_MSG_DATA,
|
|
-1, rc->req_id, reply_port->id, wmsg.write);
|
|
|
|
if (nxt_slow_path(res != NXT_OK)) {
|
|
nxt_router_gen_error(task, rc->conn, 500,
|
|
"Failed to send message to application");
|
|
goto fail;
|
|
}
|
|
|
|
fail:
|
|
port->mem_pool = port_mp;
|
|
}
|
|
|
|
|
|
static const nxt_conn_state_t nxt_router_conn_close_state
|
|
nxt_aligned(64) =
|
|
{
|
|
.ready_handler = nxt_router_conn_free,
|
|
};
|
|
|
|
|
|
static void
|
|
nxt_router_conn_ready(nxt_task_t *task, void *obj, void *data)
|
|
{
|
|
nxt_buf_t *b;
|
|
nxt_bool_t last;
|
|
nxt_conn_t *c;
|
|
nxt_work_queue_t *wq;
|
|
|
|
nxt_debug(task, "router conn ready %p", obj);
|
|
|
|
c = obj;
|
|
b = c->write;
|
|
|
|
wq = &task->thread->engine->fast_work_queue;
|
|
|
|
last = 0;
|
|
|
|
while (b != NULL) {
|
|
if (!nxt_buf_is_sync(b)) {
|
|
if (nxt_buf_used_size(b) > 0) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (nxt_buf_is_last(b)) {
|
|
last = 1;
|
|
}
|
|
|
|
nxt_work_queue_add(wq, b->completion_handler, task, b, b->parent);
|
|
|
|
b = b->next;
|
|
}
|
|
|
|
c->write = b;
|
|
|
|
if (b != NULL) {
|
|
nxt_debug(task, "router conn %p has more data to write", obj);
|
|
|
|
nxt_conn_write(task->thread->engine, c);
|
|
} else {
|
|
nxt_debug(task, "router conn %p no more data to write, last = %d", obj,
|
|
last);
|
|
|
|
if (last != 0) {
|
|
nxt_debug(task, "enqueue router conn close %p (ready handler)", c);
|
|
|
|
nxt_work_queue_add(wq, nxt_router_conn_close, task, c,
|
|
c->socket.data);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
nxt_router_conn_close(nxt_task_t *task, void *obj, void *data)
|
|
{
|
|
nxt_conn_t *c;
|
|
|
|
c = obj;
|
|
|
|
nxt_debug(task, "router conn close");
|
|
|
|
c->write_state = &nxt_router_conn_close_state;
|
|
|
|
nxt_conn_close(task->thread->engine, c);
|
|
}
|
|
|
|
|
|
static void
|
|
nxt_router_conn_free(nxt_task_t *task, void *obj, void *data)
|
|
{
|
|
nxt_conn_t *c;
|
|
nxt_req_conn_link_t *rc;
|
|
nxt_socket_conf_joint_t *joint;
|
|
|
|
c = obj;
|
|
|
|
nxt_debug(task, "router conn close done");
|
|
|
|
nxt_queue_each(rc, &c->requests, nxt_req_conn_link_t, link) {
|
|
|
|
nxt_debug(task, "conn %p close, req %uxD", c, rc->req_id);
|
|
|
|
if (rc->app_port != NULL) {
|
|
nxt_router_app_release_port(task, rc->app_port, rc->app_port->app);
|
|
|
|
rc->app_port = NULL;
|
|
}
|
|
|
|
nxt_event_engine_request_remove(task->thread->engine, rc);
|
|
|
|
} nxt_queue_loop;
|
|
|
|
nxt_queue_remove(&c->link);
|
|
|
|
joint = c->listen->socket.data;
|
|
|
|
task = &task->thread->engine->task;
|
|
|
|
if (nxt_mp_release(c->mem_pool, c) == 0) {
|
|
nxt_router_conf_release(task, joint);
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
nxt_router_conn_error(nxt_task_t *task, void *obj, void *data)
|
|
{
|
|
nxt_conn_t *c;
|
|
|
|
c = obj;
|
|
|
|
nxt_debug(task, "router conn error");
|
|
|
|
c->write_state = &nxt_router_conn_close_state;
|
|
|
|
nxt_conn_close(task->thread->engine, c);
|
|
}
|
|
|
|
|
|
static void
|
|
nxt_router_conn_timeout(nxt_task_t *task, void *obj, void *data)
|
|
{
|
|
nxt_conn_t *c;
|
|
nxt_timer_t *timer;
|
|
|
|
timer = obj;
|
|
|
|
nxt_debug(task, "router conn timeout");
|
|
|
|
c = nxt_read_timer_conn(timer);
|
|
|
|
c->write_state = &nxt_router_conn_close_state;
|
|
|
|
nxt_conn_close(task->thread->engine, c);
|
|
}
|
|
|
|
|
|
static nxt_msec_t
|
|
nxt_router_conn_timeout_value(nxt_conn_t *c, uintptr_t data)
|
|
{
|
|
nxt_socket_conf_joint_t *joint;
|
|
|
|
joint = c->listen->socket.data;
|
|
|
|
return nxt_value_at(nxt_msec_t, joint->socket_conf, data);
|
|
}
|
|
|
|
|
|
static nxt_int_t
|
|
nxt_sw_test(nxt_lvlhsh_query_t *lhq, void *data)
|
|
{
|
|
return NXT_OK;
|
|
}
|
|
|
|
|
|
static const nxt_lvlhsh_proto_t lvlhsh_sw_proto nxt_aligned(64) = {
|
|
NXT_LVLHSH_DEFAULT,
|
|
nxt_sw_test,
|
|
nxt_lvlhsh_alloc,
|
|
nxt_lvlhsh_free,
|
|
};
|
|
|
|
|
|
static void
|
|
nxt_router_sw_add(nxt_task_t *task, nxt_router_t *router,
|
|
nxt_start_worker_t *sw)
|
|
{
|
|
nxt_lvlhsh_query_t lhq;
|
|
|
|
lhq.key_hash = nxt_murmur_hash2(&sw->stream, sizeof(sw->stream));
|
|
lhq.key.length = sizeof(sw->stream);
|
|
lhq.key.start = (u_char *) &sw->stream;
|
|
lhq.proto = &lvlhsh_sw_proto;
|
|
lhq.replace = 0;
|
|
lhq.value = sw;
|
|
lhq.pool = task->thread->runtime->mem_pool;
|
|
|
|
switch (nxt_lvlhsh_insert(&router->start_workers, &lhq)) {
|
|
|
|
case NXT_OK:
|
|
break;
|
|
|
|
default:
|
|
nxt_log_error(NXT_LOG_WARN, task->log, "stream %08uxD sw add failed",
|
|
sw->stream);
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
static nxt_start_worker_t *
|
|
nxt_router_sw_find_remove(nxt_task_t *task, nxt_router_t *router, uint32_t id)
|
|
{
|
|
nxt_lvlhsh_query_t lhq;
|
|
|
|
lhq.key_hash = nxt_murmur_hash2(&id, sizeof(id));
|
|
lhq.key.length = sizeof(id);
|
|
lhq.key.start = (u_char *) &id;
|
|
lhq.proto = &lvlhsh_sw_proto;
|
|
lhq.pool = task->thread->runtime->mem_pool;
|
|
|
|
switch (nxt_lvlhsh_delete(&router->start_workers, &lhq)) {
|
|
|
|
case NXT_OK:
|
|
return lhq.value;
|
|
|
|
default:
|
|
nxt_log_error(NXT_LOG_WARN, task->log, "stream %08uxD sw remove failed",
|
|
id);
|
|
break;
|
|
}
|
|
|
|
return NULL;
|
|
}
|