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/*
* 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:
*/
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