5c8ddd54c1
Two iterations over expiret timers: 1) ivalidate timer handle and mark the connection as having a pending timer 2) send RPCs to workers Type: fix Change-Id: Iadc031c4e6d6f7bbd851d0421e6e0ea2d2b5e70f Signed-off-by: Matus Fabian <matfabia@cisco.com>
104 lines
2.9 KiB
C
104 lines
2.9 KiB
C
/*
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* Copyright (c) 2022 Cisco and/or its affiliates.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <http/http_timer.h>
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#include <vnet/session/session.h>
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http_tw_ctx_t http_tw_ctx;
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static void
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http_timer_process_expired_cb (u32 *expired_timers)
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{
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http_tw_ctx_t *twc = &http_tw_ctx;
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u32 hs_handle;
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int i;
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for (i = 0; i < vec_len (expired_timers); i++)
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{
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/* Get session handle. The first bit is the timer id */
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hs_handle = expired_timers[i] & 0x7FFFFFFF;
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twc->invalidate_cb (hs_handle);
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}
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for (i = 0; i < vec_len (expired_timers); i++)
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{
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/* Get session handle. The first bit is the timer id */
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hs_handle = expired_timers[i] & 0x7FFFFFFF;
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HTTP_DBG (1, "rpc to hc [%u]%x", hs_handle >> 24,
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hs_handle & 0x00FFFFFF);
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session_send_rpc_evt_to_thread (hs_handle >> 24, twc->rpc_cb,
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uword_to_pointer (hs_handle, void *));
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}
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}
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static uword
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http_timer_process (vlib_main_t *vm, vlib_node_runtime_t *rt, vlib_frame_t *f)
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{
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http_tw_ctx_t *twc = &http_tw_ctx;
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f64 now, timeout = 1.0;
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uword *event_data = 0;
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uword __clib_unused event_type;
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while (1)
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{
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vlib_process_wait_for_event_or_clock (vm, timeout);
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now = vlib_time_now (vm);
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event_type = vlib_process_get_events (vm, (uword **) &event_data);
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/* expire timers */
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clib_spinlock_lock (&twc->tw_lock);
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tw_timer_expire_timers_2t_1w_2048sl (&twc->tw, now);
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clib_spinlock_unlock (&twc->tw_lock);
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vec_reset_length (event_data);
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}
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return 0;
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}
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VLIB_REGISTER_NODE (http_timer_process_node) = {
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.function = http_timer_process,
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.type = VLIB_NODE_TYPE_PROCESS,
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.name = "http-timer-process",
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.state = VLIB_NODE_STATE_DISABLED,
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};
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void
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http_timers_init (vlib_main_t *vm, http_conn_timeout_fn *rpc_cb,
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http_conn_invalidate_timer_fn *invalidate_cb)
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{
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http_tw_ctx_t *twc = &http_tw_ctx;
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vlib_node_t *n;
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ASSERT (twc->tw.timers == 0);
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tw_timer_wheel_init_2t_1w_2048sl (&twc->tw, http_timer_process_expired_cb,
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1.0 /* timer interval */, ~0);
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clib_spinlock_init (&twc->tw_lock);
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twc->rpc_cb = rpc_cb;
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twc->invalidate_cb = invalidate_cb;
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vlib_node_set_state (vm, http_timer_process_node.index,
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VLIB_NODE_STATE_POLLING);
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n = vlib_get_node (vm, http_timer_process_node.index);
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vlib_start_process (vm, n->runtime_index);
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}
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/*
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* fd.io coding-style-patch-verification: ON
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*
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* Local Variables:
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* eval: (c-set-style "gnu")
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* End:
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*/
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