93 lines
2.6 KiB
C++
93 lines
2.6 KiB
C++
//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2018
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#include "td/actor/Timeout.h"
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#include "td/utils/Time.h"
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namespace td {
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bool MultiTimeout::has_timeout(int64 key) const {
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return items_.find(Item(key)) != items_.end();
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}
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void MultiTimeout::set_timeout_at(int64 key, double timeout) {
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LOG(DEBUG) << "Set timeout for " << key << " in " << timeout - Time::now();
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auto item = items_.emplace(key);
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auto heap_node = static_cast<HeapNode *>(const_cast<Item *>(&*item.first));
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if (heap_node->in_heap()) {
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CHECK(!item.second);
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bool need_update_timeout = heap_node->is_top();
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timeout_queue_.fix(timeout, heap_node);
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if (need_update_timeout || heap_node->is_top()) {
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update_timeout();
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}
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} else {
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CHECK(item.second);
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timeout_queue_.insert(timeout, heap_node);
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if (heap_node->is_top()) {
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update_timeout();
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}
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}
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}
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void MultiTimeout::add_timeout_at(int64 key, double timeout) {
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LOG(DEBUG) << "Add timeout for " << key << " in " << timeout - Time::now();
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auto item = items_.emplace(key);
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auto heap_node = static_cast<HeapNode *>(const_cast<Item *>(&*item.first));
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if (heap_node->in_heap()) {
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CHECK(!item.second);
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} else {
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CHECK(item.second);
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timeout_queue_.insert(timeout, heap_node);
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if (heap_node->is_top()) {
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update_timeout();
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}
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}
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}
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void MultiTimeout::cancel_timeout(int64 key) {
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LOG(DEBUG) << "Cancel timeout for " << key;
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auto item = items_.find(Item(key));
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if (item != items_.end()) {
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auto heap_node = static_cast<HeapNode *>(const_cast<Item *>(&*item));
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CHECK(heap_node->in_heap());
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bool need_update_timeout = heap_node->is_top();
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timeout_queue_.erase(heap_node);
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items_.erase(item);
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if (need_update_timeout) {
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update_timeout();
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}
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}
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}
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void MultiTimeout::update_timeout() {
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if (items_.empty()) {
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LOG(DEBUG) << "Cancel timeout";
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CHECK(timeout_queue_.empty());
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CHECK(Actor::has_timeout());
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Actor::cancel_timeout();
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} else {
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LOG(DEBUG) << "Set timeout in " << timeout_queue_.top_key() - Time::now_cached();
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Actor::set_timeout_at(timeout_queue_.top_key());
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}
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}
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void MultiTimeout::timeout_expired() {
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double now = Time::now_cached();
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while (!timeout_queue_.empty() && timeout_queue_.top_key() < now) {
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int64 key = static_cast<Item *>(timeout_queue_.pop())->key;
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items_.erase(Item(key));
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callback_(data_, key);
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}
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if (!items_.empty()) {
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update_timeout();
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}
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}
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} // namespace td
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