80 lines
3.0 KiB
C++
80 lines
3.0 KiB
C++
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/*
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* Copyright 2018 The WebRTC Project Authors. All rights reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "p2p/base/regathering_controller.h"
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namespace webrtc {
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BasicRegatheringController::BasicRegatheringController(
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const Config& config,
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cricket::IceTransportInternal* ice_transport,
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rtc::Thread* thread)
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: config_(config), ice_transport_(ice_transport), thread_(thread) {
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RTC_DCHECK(ice_transport_);
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RTC_DCHECK(thread_);
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ice_transport_->SignalStateChanged.connect(
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this, &BasicRegatheringController::OnIceTransportStateChanged);
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ice_transport->SignalWritableState.connect(
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this, &BasicRegatheringController::OnIceTransportWritableState);
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ice_transport->SignalReceivingState.connect(
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this, &BasicRegatheringController::OnIceTransportReceivingState);
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ice_transport->SignalNetworkRouteChanged.connect(
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this, &BasicRegatheringController::OnIceTransportNetworkRouteChanged);
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}
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BasicRegatheringController::~BasicRegatheringController() = default;
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void BasicRegatheringController::Start() {
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ScheduleRecurringRegatheringOnFailedNetworks();
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}
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void BasicRegatheringController::SetConfig(const Config& config) {
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bool need_cancel_and_reschedule_on_failed_networks =
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has_recurring_schedule_on_failed_networks_ &&
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(config_.regather_on_failed_networks_interval !=
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config.regather_on_failed_networks_interval);
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config_ = config;
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if (need_cancel_and_reschedule_on_failed_networks) {
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CancelScheduledRecurringRegatheringOnFailedNetworks();
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ScheduleRecurringRegatheringOnFailedNetworks();
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}
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}
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void BasicRegatheringController::
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ScheduleRecurringRegatheringOnFailedNetworks() {
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RTC_DCHECK(config_.regather_on_failed_networks_interval >= 0);
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CancelScheduledRecurringRegatheringOnFailedNetworks();
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has_recurring_schedule_on_failed_networks_ = true;
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invoker_for_failed_networks_.AsyncInvokeDelayed<void>(
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RTC_FROM_HERE, thread_,
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rtc::Bind(
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&BasicRegatheringController::RegatherOnFailedNetworksIfDoneGathering,
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this),
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config_.regather_on_failed_networks_interval);
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}
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void BasicRegatheringController::RegatherOnFailedNetworksIfDoneGathering() {
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// Only regather when the current session is in the CLEARED state (i.e., not
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// running or stopped). It is only possible to enter this state when we gather
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// continually, so there is an implicit check on continual gathering here.
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if (allocator_session_ && allocator_session_->IsCleared()) {
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allocator_session_->RegatherOnFailedNetworks();
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}
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ScheduleRecurringRegatheringOnFailedNetworks();
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}
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void BasicRegatheringController::
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CancelScheduledRecurringRegatheringOnFailedNetworks() {
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invoker_for_failed_networks_.Clear();
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has_recurring_schedule_on_failed_networks_ = false;
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}
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} // namespace webrtc
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