/* * Copyright (c) 2022 Cisco and/or its affiliates. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at: * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #ifndef SRC_PLUGINS_HTTP_HTTP_TIMER_H_ #define SRC_PLUGINS_HTTP_HTTP_TIMER_H_ #include <http/http.h> #include <vppinfra/tw_timer_2t_1w_2048sl.h> #define HTTP_CONN_TIMEOUT 60 #define HTTP_TIMER_HANDLE_INVALID ((u32) ~0) typedef void (http_conn_timeout_fn) (void *); typedef void (http_conn_invalidate_timer_fn) (u32 hs_handle); typedef struct http_tw_ctx_ { tw_timer_wheel_2t_1w_2048sl_t tw; clib_spinlock_t tw_lock; http_conn_timeout_fn *rpc_cb; http_conn_invalidate_timer_fn *invalidate_cb; } http_tw_ctx_t; extern http_tw_ctx_t http_tw_ctx; void http_timers_init (vlib_main_t *vm, http_conn_timeout_fn *rpc_cb, http_conn_invalidate_timer_fn *invalidate_cb); static inline void http_conn_timer_start (http_conn_t *hc) { http_tw_ctx_t *twc = &http_tw_ctx; u32 hs_handle; ASSERT (hc->timer_handle == HTTP_TIMER_HANDLE_INVALID); hs_handle = hc->c_thread_index << 24 | hc->c_c_index; clib_spinlock_lock (&twc->tw_lock); hc->timer_handle = tw_timer_start_2t_1w_2048sl (&twc->tw, hs_handle, 0, hc->timeout); clib_spinlock_unlock (&twc->tw_lock); } static inline void http_conn_timer_stop (http_conn_t *hc) { http_tw_ctx_t *twc = &http_tw_ctx; hc->pending_timer = 0; if (hc->timer_handle == HTTP_TIMER_HANDLE_INVALID) return; clib_spinlock_lock (&twc->tw_lock); tw_timer_stop_2t_1w_2048sl (&twc->tw, hc->timer_handle); hc->timer_handle = HTTP_TIMER_HANDLE_INVALID; clib_spinlock_unlock (&twc->tw_lock); } static inline void http_conn_timer_update (http_conn_t *hc) { http_tw_ctx_t *twc = &http_tw_ctx; u32 hs_handle; clib_spinlock_lock (&twc->tw_lock); if (hc->timer_handle != HTTP_TIMER_HANDLE_INVALID) tw_timer_update_2t_1w_2048sl (&twc->tw, hc->timer_handle, hc->timeout); else { hs_handle = hc->c_thread_index << 24 | hc->c_c_index; hc->timer_handle = tw_timer_start_2t_1w_2048sl (&twc->tw, hs_handle, 0, hc->timeout); } clib_spinlock_unlock (&twc->tw_lock); } #endif /* SRC_PLUGINS_HTTP_HTTP_TIMER_H_ */ /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */