Nagram/TMessagesProj/jni/voip/webrtc/p2p/base/regathering_controller.cc
2020-09-30 16:48:47 +03:00

80 lines
3.0 KiB
C++

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