1672 lines
41 KiB
C
1672 lines
41 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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#include <nxt_application.h>
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typedef struct {
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nxt_str_t application_type;
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uint32_t application_workers;
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} nxt_router_listener_conf_t;
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static nxt_router_temp_conf_t *nxt_router_temp_conf(nxt_task_t *task,
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nxt_router_t *router);
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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_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_engine_conf_t *recf, nxt_queue_t *sockets, nxt_array_t *array,
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nxt_work_handler_t handler);
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static nxt_int_t nxt_router_engine_joints_delete(nxt_router_engine_conf_t *recf,
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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_engines_post(nxt_router_temp_conf_t *tmcf);
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static void nxt_router_engine_post(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 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_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 nxt_router_t *nxt_router;
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nxt_int_t
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nxt_router_start(nxt_task_t *task, nxt_runtime_t *rt)
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{
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nxt_int_t ret;
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nxt_router_t *router;
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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_router = router;
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return NXT_OK;
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}
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nxt_int_t
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nxt_router_new_conf(nxt_task_t *task, nxt_runtime_t *rt, nxt_router_t *router,
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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_temp_conf_t *tmcf;
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const nxt_event_interface_t *interface;
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tmcf = nxt_router_temp_conf(task, router);
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if (nxt_slow_path(tmcf == NULL)) {
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return NXT_ERROR;
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}
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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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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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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_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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// nxt_mp_destroy(tmcf->mem_pool);
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return NXT_OK;
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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, nxt_router_t *router)
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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->router = router;
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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->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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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_conf_map_t nxt_router_conf[] = {
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{
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nxt_string("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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nxt_null_string, 0, 0,
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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_type"),
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NXT_CONF_MAP_STR,
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offsetof(nxt_router_listener_conf_t, application_type),
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},
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{
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nxt_string("_application_workers"),
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NXT_CONF_MAP_INT32,
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offsetof(nxt_router_listener_conf_t, application_workers),
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},
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{
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nxt_null_string, 0, 0,
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},
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};
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static nxt_conf_map_t nxt_router_http_conf[] = {
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{
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nxt_string("header_buffer_size"),
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NXT_CONF_MAP_SIZE,
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offsetof(nxt_socket_conf_t, header_buffer_size),
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},
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{
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nxt_string("large_header_buffer_size"),
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NXT_CONF_MAP_SIZE,
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offsetof(nxt_socket_conf_t, large_header_buffer_size),
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},
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{
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nxt_string("header_read_timeout"),
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NXT_CONF_MAP_MSEC,
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offsetof(nxt_socket_conf_t, header_read_timeout),
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},
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{
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nxt_null_string, 0, 0,
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},
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};
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static nxt_int_t
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nxt_router_conf_create(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_mp_t *mp;
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uint32_t next;
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nxt_int_t ret;
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nxt_str_t name;
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nxt_sockaddr_t *sa;
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nxt_conf_value_t *conf, *listeners, *router, *http, *listener;
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nxt_socket_conf_t *skcf;
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nxt_router_listener_conf_t lscf;
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static nxt_str_t router_path = nxt_string("/router");
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static nxt_str_t http_path = nxt_string("/http");
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static nxt_str_t listeners_path = nxt_string("/listeners");
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conf = nxt_conf_json_parse(tmcf->mem_pool, start, end);
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if (conf == NULL) {
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nxt_log(task, NXT_LOG_CRIT, "configuration parsing error");
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return NXT_ERROR;
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}
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router = nxt_conf_get_path(conf, &router_path);
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if (router == NULL) {
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nxt_log(task, NXT_LOG_CRIT, "no \"/router\" block");
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return NXT_ERROR;
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}
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ret = nxt_conf_map_object(router, nxt_router_conf, tmcf->conf);
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if (ret != NXT_OK) {
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nxt_log(task, NXT_LOG_CRIT, "router map error");
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return NXT_ERROR;
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}
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if (tmcf->conf->threads == 0) {
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tmcf->conf->threads = nxt_ncpu;
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}
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http = nxt_conf_get_path(conf, &http_path);
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if (http == NULL) {
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nxt_log(task, NXT_LOG_CRIT, "no \"/http\" block");
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return NXT_ERROR;
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}
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listeners = nxt_conf_get_path(conf, &listeners_path);
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if (listeners == NULL) {
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nxt_log(task, NXT_LOG_CRIT, "no \"/listeners\" block");
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return NXT_ERROR;
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}
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mp = tmcf->conf->mem_pool;
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next = 0;
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for ( ;; ) {
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listener = nxt_conf_next_object_member(listeners, &name, &next);
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if (listener == NULL) {
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break;
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}
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sa = nxt_sockaddr_parse(mp, &name);
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if (sa == NULL) {
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nxt_log(task, NXT_LOG_CRIT, "invalid listener \"%V\"", &name);
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return NXT_ERROR;
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}
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sa->type = SOCK_STREAM;
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nxt_debug(task, "router listener: \"%*s\"",
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sa->length, nxt_sockaddr_start(sa));
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skcf = nxt_router_socket_conf(task, mp, sa);
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if (skcf == NULL) {
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return NXT_ERROR;
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}
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ret = nxt_conf_map_object(listener, nxt_router_listener_conf, &lscf);
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if (ret != NXT_OK) {
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nxt_log(task, NXT_LOG_CRIT, "listener map error");
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return NXT_ERROR;
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}
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nxt_debug(task, "router type: %V", &lscf.application_type);
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nxt_debug(task, "router workers: %D", lscf.application_workers);
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ret = nxt_conf_map_object(http, nxt_router_http_conf, skcf);
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if (ret != NXT_OK) {
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nxt_log(task, NXT_LOG_CRIT, "http map error");
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return NXT_ERROR;
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}
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skcf->listen.handler = nxt_router_conn_init;
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skcf->router_conf = tmcf->conf;
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nxt_queue_insert_tail(&tmcf->pending, &skcf->link);
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}
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return NXT_OK;
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}
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static nxt_socket_conf_t *
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nxt_router_socket_conf(nxt_task_t *task, nxt_mp_t *mp, nxt_sockaddr_t *sa)
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{
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nxt_socket_conf_t *conf;
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conf = nxt_mp_zget(mp, sizeof(nxt_socket_conf_t));
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if (nxt_slow_path(conf == NULL)) {
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return NULL;
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}
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conf->sockaddr = sa;
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conf->listen.sockaddr = sa;
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conf->listen.socklen = sa->socklen;
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conf->listen.address_length = sa->length;
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conf->listen.socket = -1;
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conf->listen.backlog = NXT_LISTEN_BACKLOG;
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conf->listen.flags = NXT_NONBLOCK;
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conf->listen.read_after_accept = 1;
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return conf;
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}
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static void
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nxt_router_listen_sockets_sort(nxt_router_t *router,
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nxt_router_temp_conf_t *tmcf)
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{
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nxt_queue_link_t *nqlk, *oqlk, *next;
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nxt_socket_conf_t *nskcf, *oskcf;
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for (nqlk = nxt_queue_first(&tmcf->pending);
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nqlk != nxt_queue_tail(&tmcf->pending);
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nqlk = next)
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{
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next = nxt_queue_next(nqlk);
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nskcf = nxt_queue_link_data(nqlk, nxt_socket_conf_t, link);
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for (oqlk = nxt_queue_first(&router->sockets);
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oqlk != nxt_queue_tail(&router->sockets);
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oqlk = nxt_queue_next(oqlk))
|
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{
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oskcf = nxt_queue_link_data(oqlk, nxt_socket_conf_t, link);
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|
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if (nxt_sockaddr_cmp(nskcf->sockaddr, oskcf->sockaddr)) {
|
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nskcf->socket = oskcf->socket;
|
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nskcf->listen.socket = oskcf->listen.socket;
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|
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nxt_queue_remove(oqlk);
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nxt_queue_insert_tail(&tmcf->keeping, oqlk);
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|
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nxt_queue_remove(nqlk);
|
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nxt_queue_insert_tail(&tmcf->updating, nqlk);
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|
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break;
|
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}
|
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}
|
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}
|
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|
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nxt_queue_add(&tmcf->deleting, &router->sockets);
|
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nxt_queue_init(&router->sockets);
|
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}
|
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|
|
|
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static nxt_int_t
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nxt_router_listen_sockets_stub_create(nxt_task_t *task,
|
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nxt_router_temp_conf_t *tmcf)
|
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{
|
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nxt_int_t ret;
|
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nxt_socket_t s;
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nxt_queue_link_t *qlk, *nqlk;
|
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nxt_socket_conf_t *skcf;
|
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nxt_router_socket_t *rtsk;
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|
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for (qlk = nxt_queue_first(&tmcf->pending);
|
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qlk != nxt_queue_tail(&tmcf->pending);
|
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qlk = nqlk)
|
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{
|
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rtsk = nxt_malloc(sizeof(nxt_router_socket_t));
|
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if (nxt_slow_path(rtsk == NULL)) {
|
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return NXT_ERROR;
|
|
}
|
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|
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rtsk->count = 0;
|
|
|
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skcf = nxt_queue_link_data(qlk, nxt_socket_conf_t, link);
|
|
skcf->socket = rtsk;
|
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|
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s = nxt_listen_socket_create0(task, skcf->sockaddr, NXT_NONBLOCK);
|
|
if (nxt_slow_path(s == -1)) {
|
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return NXT_ERROR;
|
|
}
|
|
|
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ret = nxt_listen_socket(task, s, NXT_LISTEN_BACKLOG);
|
|
if (nxt_slow_path(ret != NXT_OK)) {
|
|
return NXT_ERROR;
|
|
}
|
|
|
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skcf->listen.socket = s;
|
|
|
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rtsk->fd = s;
|
|
|
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nqlk = nxt_queue_next(qlk);
|
|
nxt_queue_remove(qlk);
|
|
nxt_queue_insert_tail(&tmcf->creating, qlk);
|
|
}
|
|
|
|
return NXT_OK;
|
|
}
|
|
|
|
|
|
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);
|
|
// STUB
|
|
recf->task = recf->engine->task;
|
|
|
|
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;
|
|
}
|
|
// STUB
|
|
recf->task = recf->engine->task;
|
|
|
|
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, 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, 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, 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, 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(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(recf, &tmcf->updating);
|
|
if (nxt_slow_path(ret != NXT_OK)) {
|
|
return ret;
|
|
}
|
|
|
|
return nxt_router_engine_joints_delete(recf, &tmcf->deleting);
|
|
}
|
|
|
|
|
|
static nxt_int_t
|
|
nxt_router_engine_joints_create(nxt_mp_t *mp, nxt_router_engine_conf_t *recf,
|
|
nxt_queue_t *sockets, nxt_array_t *array,
|
|
nxt_work_handler_t handler)
|
|
{
|
|
nxt_work_t *work;
|
|
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))
|
|
{
|
|
work = nxt_array_add(array);
|
|
if (nxt_slow_path(work == NULL)) {
|
|
return NXT_ERROR;
|
|
}
|
|
|
|
work->next = NULL;
|
|
work->handler = handler;
|
|
work->task = &recf->task;
|
|
work->obj = recf->engine;
|
|
|
|
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_engine_conf_t *recf,
|
|
nxt_queue_t *sockets)
|
|
{
|
|
nxt_work_t *work;
|
|
nxt_queue_link_t *qlk;
|
|
|
|
for (qlk = nxt_queue_first(sockets);
|
|
qlk != nxt_queue_tail(sockets);
|
|
qlk = nxt_queue_next(qlk))
|
|
{
|
|
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->task;
|
|
work->obj = recf->engine;
|
|
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_port_t *port;
|
|
nxt_process_t *process;
|
|
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);
|
|
|
|
process = nxt_runtime_process_find(rt, nxt_pid);
|
|
if (nxt_slow_path(process == NULL)) {
|
|
return NXT_ERROR;
|
|
}
|
|
|
|
port = nxt_process_port_new(process);
|
|
if (nxt_slow_path(port == NULL)) {
|
|
return NXT_ERROR;
|
|
}
|
|
|
|
ret = nxt_port_socket_init(task, port, 0);
|
|
if (nxt_slow_path(ret != NXT_OK)) {
|
|
return ret;
|
|
}
|
|
|
|
port->engine = 0;
|
|
port->type = NXT_PROCESS_ROUTER;
|
|
|
|
engine->port = port;
|
|
|
|
nxt_runtime_port_add(rt, port);
|
|
|
|
ret = nxt_thread_create(&handle, link);
|
|
|
|
if (nxt_slow_path(ret != NXT_OK)) {
|
|
nxt_queue_remove(&engine->link);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
|
|
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(recf);
|
|
recf++;
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
nxt_router_engine_post(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++;
|
|
}
|
|
}
|
|
|
|
if (recf->updating != NULL) {
|
|
work = recf->updating->elts;
|
|
|
|
for (n = recf->updating->nelts; n != 0; n--) {
|
|
nxt_event_engine_post(recf->engine, work);
|
|
work++;
|
|
}
|
|
}
|
|
|
|
if (recf->deleting != NULL) {
|
|
work = recf->deleting->elts;
|
|
|
|
for (n = recf->deleting->nelts; n != 0; n--) {
|
|
nxt_event_engine_post(recf->engine, work);
|
|
work++;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
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_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;
|
|
|
|
nxt_mp_thread_adopt(engine->port->mem_pool);
|
|
|
|
engine->port->socket.task = task;
|
|
nxt_port_create(task, engine->port, nxt_router_app_port_handlers);
|
|
|
|
engine->mem_pool = nxt_mp_create(4096, 128, 1024, 64);
|
|
|
|
nxt_event_engine_start(engine);
|
|
}
|
|
|
|
|
|
static void
|
|
nxt_router_listen_socket_create(nxt_task_t *task, void *obj, void *data)
|
|
{
|
|
nxt_listen_event_t *listen;
|
|
nxt_listen_socket_t *ls;
|
|
nxt_socket_conf_joint_t *joint;
|
|
|
|
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;
|
|
}
|
|
|
|
|
|
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_event_engine_t *engine;
|
|
nxt_listen_event_t *listen;
|
|
nxt_socket_conf_joint_t *joint, *old;
|
|
|
|
engine = obj;
|
|
joint = data;
|
|
|
|
listen = nxt_router_listen_event(&engine->listen_connections,
|
|
joint->socket_conf);
|
|
|
|
old = listen->socket.data;
|
|
listen->socket.data = joint;
|
|
|
|
nxt_router_conf_release(task, old);
|
|
}
|
|
|
|
|
|
static void
|
|
nxt_router_listen_socket_delete(nxt_task_t *task, void *obj, void *data)
|
|
{
|
|
nxt_socket_conf_t *skcf;
|
|
nxt_listen_event_t *listen;
|
|
nxt_event_engine_t *engine;
|
|
|
|
engine = obj;
|
|
skcf = data;
|
|
|
|
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);
|
|
}
|
|
|
|
|
|
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);
|
|
|
|
if (rtcf != NULL) {
|
|
nxt_debug(task, "old router conf is destroyed");
|
|
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_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);
|
|
|
|
nxt_mp_destroy(engine->mem_pool);
|
|
|
|
nxt_event_engine_free(engine);
|
|
|
|
nxt_free(link);
|
|
|
|
// TODO: free port
|
|
}
|
|
|
|
|
|
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,
|
|
};
|
|
|
|
|
|
void
|
|
nxt_router_conf_data_handler(nxt_task_t *task, nxt_port_recv_msg_t *msg)
|
|
{
|
|
size_t dump_size;
|
|
nxt_buf_t *b;
|
|
nxt_int_t ret;
|
|
|
|
b = msg->buf;
|
|
|
|
dump_size = nxt_buf_used_size(b);
|
|
|
|
if (dump_size > 300) {
|
|
dump_size = 300;
|
|
}
|
|
|
|
nxt_debug(task, "router conf data (%z): %*s",
|
|
msg->size, dump_size, b->mem.pos);
|
|
|
|
ret = nxt_router_new_conf(task, task->thread->runtime, nxt_router,
|
|
b->mem.pos, b->mem.free);
|
|
|
|
b->mem.pos = b->mem.free;
|
|
|
|
if (nxt_slow_path(ret != NXT_OK)) {
|
|
nxt_log_alert(task->log, "Failed to apply new conf");
|
|
}
|
|
}
|
|
|
|
|
|
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 nxt_port_t *
|
|
nxt_router_app_port(nxt_task_t *task)
|
|
{
|
|
nxt_port_t *port;
|
|
nxt_runtime_t *rt;
|
|
|
|
rt = task->thread->runtime;
|
|
|
|
nxt_runtime_port_each(rt, port) {
|
|
|
|
if (nxt_pid == port->pid) {
|
|
continue;
|
|
}
|
|
|
|
if (port->type == NXT_PROCESS_WORKER) {
|
|
return port;
|
|
}
|
|
|
|
} nxt_runtime_port_loop;
|
|
|
|
return NULL;
|
|
}
|
|
|
|
|
|
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;
|
|
nxt_memcpy(b->mem.pos, c->read->mem.pos, size);
|
|
|
|
b->mem.free += size;
|
|
c->read = b;
|
|
} else {
|
|
// TODO 500 Too long request headers
|
|
nxt_log_alert(task->log, "Too long request headers");
|
|
}
|
|
}
|
|
}
|
|
|
|
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)) {
|
|
// TODO 500 Failed to allocate buffer for request body
|
|
nxt_log_alert(task->log, "Failed to allocate buffer for "
|
|
"request body");
|
|
}
|
|
|
|
b->mem.free = nxt_cpymem(b->mem.free, c->read->mem.pos,
|
|
preread);
|
|
|
|
c->read = b;
|
|
}
|
|
|
|
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_mp_t *port_mp;
|
|
nxt_int_t res;
|
|
nxt_port_t *port, *c_port;
|
|
nxt_req_id_t req_id;
|
|
nxt_app_wmsg_t wmsg;
|
|
nxt_event_engine_t *engine;
|
|
nxt_req_conn_link_t *rc;
|
|
|
|
if (nxt_slow_path(nxt_app == NULL)) {
|
|
// 500 Application not found
|
|
nxt_log_alert(task->log, "application is NULL");
|
|
}
|
|
|
|
port = nxt_router_app_port(task);
|
|
|
|
if (nxt_slow_path(port == NULL)) {
|
|
// 500 Application port not found
|
|
nxt_log_alert(task->log, "application port not found");
|
|
}
|
|
|
|
engine = task->thread->engine;
|
|
|
|
do {
|
|
req_id = nxt_random(&nxt_random_data);
|
|
} while (nxt_event_engine_request_find(engine, req_id) != NULL);
|
|
|
|
rc = nxt_conn_request_add(c, req_id);
|
|
|
|
if (nxt_slow_path(rc == NULL)) {
|
|
// 500 Failed to allocate req->conn link
|
|
nxt_log_alert(task->log, "failed to allocate req->conn link");
|
|
}
|
|
|
|
nxt_event_engine_request_add(engine, rc);
|
|
|
|
nxt_debug(task, "req_id %uxD linked to conn %p at engine %p",
|
|
req_id, c, engine);
|
|
|
|
port_mp = port->mem_pool;
|
|
port->mem_pool = c->mem_pool;
|
|
|
|
c_port = nxt_process_connected_port_find(port->process,
|
|
engine->port->pid,
|
|
engine->port->id);
|
|
if (nxt_slow_path(c_port != engine->port)) {
|
|
res = nxt_port_send_port(task, port, engine->port);
|
|
|
|
if (nxt_slow_path(res != NXT_OK)) {
|
|
// 500 Failed to send reply port
|
|
nxt_log_alert(task->log, "failed to send reply port to application");
|
|
}
|
|
|
|
nxt_process_connected_port_add(port->process, engine->port);
|
|
}
|
|
|
|
wmsg.port = port;
|
|
wmsg.write = NULL;
|
|
wmsg.buf = &wmsg.write;
|
|
wmsg.stream = req_id;
|
|
|
|
res = nxt_app->prepare_msg(task, &ap->r, &wmsg);
|
|
|
|
if (nxt_slow_path(res != NXT_OK)) {
|
|
// 500 Failed to prepare message
|
|
nxt_log_alert(task->log, "failed to prepare message for application");
|
|
}
|
|
|
|
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, req_id, engine->port->id, wmsg.write);
|
|
|
|
if (nxt_slow_path(res != NXT_OK)) {
|
|
// 500 Failed to send message
|
|
nxt_log_alert(task->log, "failed to send message to application");
|
|
}
|
|
|
|
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");
|
|
|
|
joint = c->listen->socket.data;
|
|
nxt_router_conf_release(task, joint);
|
|
|
|
nxt_queue_each(rc, &c->requests, nxt_req_conn_link_t, link) {
|
|
|
|
nxt_debug(task, "conn %p close, req %uxD", c, rc->req_id);
|
|
|
|
nxt_event_engine_request_remove(task->thread->engine, rc);
|
|
|
|
} nxt_queue_loop;
|
|
|
|
nxt_queue_remove(&c->link);
|
|
|
|
nxt_mp_release(c->mem_pool, c);
|
|
}
|
|
|
|
|
|
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);
|
|
}
|