examples/tv-casting-app/linux/CastingUtils.cpp - third_party/github/project-chip/connectedhomeip - Git at Google

 /*
  *
  *    Copyright (c) 2022 Project CHIP Authors
  *    All rights reserved.
  *
  *    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.
  */

 #include "CastingUtils.h"

 using namespace chip;
 using namespace chip::System;
 using namespace chip::DeviceLayer;
 using namespace chip::Dnssd;

 // TODO: Accept these values over CLI
 const char * kContentUrl        = "https://www.test.com/videoid";
 const char * kContentDisplayStr = "Test video";
 int gInitialContextVal          = 121212;

 CHIP_ERROR DiscoverCommissioners()
 {
     // Send discover commissioners request
     ReturnErrorOnFailure(CastingServer::GetInstance()->DiscoverCommissioners());

     // Give commissioners some time to respond and then ScheduleWork to initiate commissioning
     return DeviceLayer::SystemLayer().StartTimer(
         chip::System::Clock::Milliseconds32(kCommissionerDiscoveryTimeoutInMs),
         [](System::Layer *, void *) { chip::DeviceLayer::PlatformMgr().ScheduleWork(InitCommissioningFlow); }, nullptr);
 }

 CHIP_ERROR RequestCommissioning(int index)
 {
     chip::Optional<TargetVideoPlayerInfo *> associatedConnectableVideoPlayer;
     const Dnssd::DiscoveredNodeData * selectedCommissioner =
         CastingServer::GetInstance()->GetDiscoveredCommissioner(index, associatedConnectableVideoPlayer);
     if (selectedCommissioner == nullptr)
     {
         ChipLogError(AppServer, "No such commissioner with index %d exists", index);
         return CHIP_ERROR_INVALID_ARGUMENT;
     }
     PrepareForCommissioning(selectedCommissioner);
     return CHIP_NO_ERROR;
 }

 /**
  * Enters commissioning mode, opens commissioning window, logs onboarding payload.
  * If non-null selectedCommissioner is provided, sends user directed commissioning
  * request to the selectedCommissioner and advertises self as commissionable node over DNS-SD
  */
 void PrepareForCommissioning(const Dnssd::DiscoveredNodeData * selectedCommissioner)
 {
     CastingServer::GetInstance()->Init();

     CastingServer::GetInstance()->OpenBasicCommissioningWindow(HandleCommissioningCompleteCallback, OnConnectionSuccess,
                                                                OnConnectionFailure, OnNewOrUpdatedEndpoint);

     // Display onboarding payload
     chip::DeviceLayer::ConfigurationMgr().LogDeviceConfig();

 #if CHIP_DEVICE_CONFIG_ENABLE_COMMISSIONER_DISCOVERY_CLIENT
     if (selectedCommissioner != nullptr)
     {
         // Send User Directed commissioning request
         // Wait 1 second to allow our commissionee DNS records to publish (needed on Mac)
         int32_t expiration = 1;
         ReturnOnFailure(DeviceLayer::SystemLayer().StartTimer(System::Clock::Seconds32(expiration), HandleUDCSendExpiration,
                                                               (void *) selectedCommissioner));
     }
     else
     {
         ChipLogProgress(AppServer, "To run discovery again, enter: cast discover");
     }
 #endif // CHIP_DEVICE_CONFIG_ENABLE_COMMISSIONER_DISCOVERY_CLIENT
 }

 void InitCommissioningFlow(intptr_t commandArg)
 {
     int commissionerCount = 0;

     // Display discovered commissioner TVs to ask user to select one
     for (int i = 0; i < CHIP_DEVICE_CONFIG_MAX_DISCOVERED_NODES; i++)
     {
         chip::Optional<TargetVideoPlayerInfo *> associatedConnectableVideoPlayer;
         const Dnssd::DiscoveredNodeData * commissioner =
             CastingServer::GetInstance()->GetDiscoveredCommissioner(i, associatedConnectableVideoPlayer);
         if (commissioner != nullptr)
         {
             ChipLogProgress(AppServer, "Discovered Commissioner #%d", commissionerCount++);
             commissioner->LogDetail();
             if (associatedConnectableVideoPlayer.HasValue())
             {
                 TargetVideoPlayerInfo * targetVideoPlayerInfo = associatedConnectableVideoPlayer.Value();
                 ChipLogProgress(AppServer, "Previously connected with nodeId 0x" ChipLogFormatX64 " fabricIndex: %d",
                                 ChipLogValueX64(targetVideoPlayerInfo->GetNodeId()), targetVideoPlayerInfo->GetFabricIndex());
             }
         }
     }

     if (commissionerCount > 0)
     {
         ChipLogProgress(AppServer, "%d commissioner(s) discovered. Select one (by number# above) to request commissioning from: ",
                         commissionerCount);

         ChipLogProgress(AppServer, "Example: cast request 0");
     }
     else
     {
         ChipLogError(AppServer, "No commissioner discovered, commissioning must be initiated manually!");
         PrepareForCommissioning();
     }
 }

 void LaunchURLResponseCallback(CHIP_ERROR err)
 {
     ChipLogProgress(AppServer, "LaunchURLResponseCallback called with %" CHIP_ERROR_FORMAT, err.Format());
 }

 void OnCurrentStateReadResponseSuccess(
     void * context, chip::app::Clusters::MediaPlayback::Attributes::CurrentState::TypeInfo::DecodableArgType responseData)
 {
     ChipLogProgress(AppServer, "OnCurrentStateReadResponseSuccess called with responseData: %d", static_cast<int>(responseData));
     switch (responseData)
     {
     case chip::app::Clusters::MediaPlayback::PlaybackStateEnum::kPlaying:
         ChipLogProgress(AppServer, "OnCurrentStateReadResponseSuccess CurrentState: Playing");
         break;
     case chip::app::Clusters::MediaPlayback::PlaybackStateEnum::kPaused:
         ChipLogProgress(AppServer, "OnCurrentStateReadResponseSuccess CurrentState: Paused");
         break;
     case chip::app::Clusters::MediaPlayback::PlaybackStateEnum::kNotPlaying:
         ChipLogProgress(AppServer, "OnCurrentStateReadResponseSuccess CurrentState: Not Playing");
         break;
     case chip::app::Clusters::MediaPlayback::PlaybackStateEnum::kBuffering:
         ChipLogProgress(AppServer, "OnCurrentStateReadResponseSuccess CurrentState: Buffering");
         break;
     default:
         ChipLogError(AppServer, "OnCurrentStateReadResponseSuccess Invalid CurrentState!");
         break;
     }

     if (context != nullptr)
     {
         ChipLogProgress(AppServer, "OnCurrentStateReadResponseSuccess context value: %d", *(static_cast<int *>(context)));
     }
 }

 void OnCurrentStateReadResponseFailure(void * context, CHIP_ERROR err)
 {
     ChipLogProgress(AppServer, "OnCurrentStateReadResponseFailure called with %" CHIP_ERROR_FORMAT, err.Format());
 }

 void OnCurrentStateSubscriptionEstablished(void * context)
 {
     ChipLogProgress(AppServer, "OnCurrentStateSubscriptionEstablished called");
     if (context != nullptr)
     {
         ChipLogProgress(AppServer, "OnCurrentStateSubscriptionEstablished context value: %d", *(static_cast<int *>(context)));
     }
 }

 void doCastingDemoActions(TargetEndpointInfo * endpoint)
 {
     if (endpoint != nullptr && endpoint->IsInitialized())
     {
         if (endpoint->HasCluster(chip::app::Clusters::MediaPlayback::Id))
         {
             // Subscribe to MediaPlayback::CurrentState
             ChipLogProgress(AppServer,
                             "doCastingDemoActions requesting subscription on MediaPlayback:CurrentState on endpoint ID: %d",
                             endpoint->GetEndpointId());
             CHIP_ERROR err = CastingServer::GetInstance()->MediaPlayback_SubscribeToCurrentState(
                 endpoint, static_cast<void *>(&gInitialContextVal), OnCurrentStateReadResponseSuccess,
                 OnCurrentStateReadResponseFailure, 0, 4000, OnCurrentStateSubscriptionEstablished);
             if (err != CHIP_NO_ERROR)
             {
                 ChipLogError(AppServer, "MediaPlayback_SubscribeToCurrentState call failed!");
             }
         }
         else
         {
             ChipLogProgress(AppServer,
                             "doCastingDemoActions: Not subscribing to MediaPlayback:CurrentState on endpoint ID %d as it does not "
                             "support the MediaPlayback cluster",
                             endpoint->GetEndpointId());
         }

         if (endpoint->HasCluster(chip::app::Clusters::ContentLauncher::Id))
         {
             // Send a ContentLauncher::LaunchURL command
             ChipLogProgress(AppServer, "doCastingDemoActions sending ContentLauncher:LaunchURL on endpoint ID: %d",
                             endpoint->GetEndpointId());
             CHIP_ERROR err = CastingServer::GetInstance()->ContentLauncherLaunchURL(endpoint, kContentUrl, kContentDisplayStr,
                                                                                     LaunchURLResponseCallback);
             if (err != CHIP_NO_ERROR)
             {
                 ChipLogError(AppServer, "ContentLauncherLaunchURL call failed!");
             }
         }
         else
         {
             ChipLogProgress(AppServer,
                             "doCastingDemoActions: Not sending ContentLauncher:LaunchURL on endpoint ID %d as it does not support "
                             "the ContentLauncher cluster",
                             endpoint->GetEndpointId());
         }
     }
 }

 void OnConnectionSuccess(TargetVideoPlayerInfo * videoPlayer)
 {
     ChipLogProgress(AppServer,
                     "OnConnectionSuccess with Video Player(nodeId: 0x" ChipLogFormatX64
                     ", fabricIndex: %d, deviceName: %s, vendorId: %d, productId: "
                     "%d, deviceType: %d)",
                     ChipLogValueX64(videoPlayer->GetNodeId()), videoPlayer->GetFabricIndex(), videoPlayer->GetDeviceName(),
                     videoPlayer->GetVendorId(), videoPlayer->GetProductId(), videoPlayer->GetDeviceType());

     TargetEndpointInfo * endpoints = videoPlayer->GetEndpoints();
     if (endpoints != nullptr)
     {
         for (size_t i = 0; i < kMaxNumberOfEndpoints && endpoints[i].IsInitialized(); i++)
         {
             doCastingDemoActions(&endpoints[i]); // LaunchURL and Subscribe to CurrentState
         }
     }
 }

 void OnConnectionFailure(CHIP_ERROR err)
 {
     ChipLogError(AppServer, "OnConnectionFailure error: %" CHIP_ERROR_FORMAT, err.AsString());
 }

 void OnNewOrUpdatedEndpoint(TargetEndpointInfo * endpoint)
 {
     ChipLogProgress(AppServer, "OnNewOrUpdatedEndpoint called");
     doCastingDemoActions(endpoint); // LaunchURL and Subscribe to CurrentState
 }

 CHIP_ERROR ConnectToCachedVideoPlayer()
 {
     TargetVideoPlayerInfo * cachedVideoPlayers = CastingServer::GetInstance()->ReadCachedTargetVideoPlayerInfos();
     if (cachedVideoPlayers != nullptr)
     {
         for (size_t i = 0; i < kMaxCachedVideoPlayers; i++)
         {
             if (cachedVideoPlayers[i].IsInitialized())
             {
                 ChipLogProgress(AppServer, "Found a Cached video player with nodeId: 0x" ChipLogFormatX64 ", fabricIndex: %d",
                                 ChipLogValueX64(cachedVideoPlayers[i].GetNodeId()), cachedVideoPlayers[i].GetFabricIndex());
                 if (CastingServer::GetInstance()->VerifyOrEstablishConnection(
                         cachedVideoPlayers[i], OnConnectionSuccess, OnConnectionFailure, OnNewOrUpdatedEndpoint) == CHIP_NO_ERROR)
                 {
                     ChipLogProgress(AppServer,
                                     "FindOrEstablish CASESession attempted for cached video player with nodeId: 0x" ChipLogFormatX64
                                     ", fabricIndex: %d",
                                     ChipLogValueX64(cachedVideoPlayers[i].GetNodeId()), cachedVideoPlayers[i].GetFabricIndex());
                     return CHIP_NO_ERROR;
                 }
             }
         }
     }
     return CHIP_ERROR_INVALID_CASE_PARAMETER;
 }

 void HandleCommissioningCompleteCallback(CHIP_ERROR err)
 {
     ChipLogProgress(AppServer, "HandleCommissioningCompleteCallback called with %" CHIP_ERROR_FORMAT, err.Format());
 }

 #if CHIP_DEVICE_CONFIG_ENABLE_COMMISSIONER_DISCOVERY_CLIENT
 void HandleUDCSendExpiration(System::Layer * aSystemLayer, void * context)
 {
     Dnssd::DiscoveredNodeData * selectedCommissioner = (Dnssd::DiscoveredNodeData *) context;

     // Send User Directed commissioning request
     ReturnOnFailure(CastingServer::GetInstance()->SendUserDirectedCommissioningRequest(selectedCommissioner));
 }
 #endif // CHIP_DEVICE_CONFIG_ENABLE_COMMISSIONER_DISCOVERY_CLIENT

 void PrintFabrics()
 {
     // set fabric to be the first in the list
     for (const auto & fb : chip::Server::GetInstance().GetFabricTable())
     {
         FabricIndex fabricIndex = fb.GetFabricIndex();
         ChipLogError(AppServer, "Next Fabric index=%d", fabricIndex);
         if (!fb.IsInitialized())
         {
             ChipLogError(AppServer, " -- Not initialized");
             continue;
         }
         NodeId myNodeId = fb.GetNodeId();
         ChipLogProgress(NotSpecified,
                         "---- Current Fabric nodeId=0x" ChipLogFormatX64 " fabricId=0x" ChipLogFormatX64 " fabricIndex=%d",
                         ChipLogValueX64(myNodeId), ChipLogValueX64(fb.GetFabricId()), fabricIndex);
     }
 }
	/*
	*
	* Copyright (c) 2022 Project CHIP Authors
	* All rights reserved.
	*
	* 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.
	*/

	#include "CastingUtils.h"

	using namespace chip;
	using namespace chip::System;
	using namespace chip::DeviceLayer;
	using namespace chip::Dnssd;

	// TODO: Accept these values over CLI
	const char * kContentUrl = "https://www.test.com/videoid";
	const char * kContentDisplayStr = "Test video";
	int gInitialContextVal = 121212;

	CHIP_ERROR DiscoverCommissioners()
	{
	// Send discover commissioners request
	ReturnErrorOnFailure(CastingServer::GetInstance()->DiscoverCommissioners());

	// Give commissioners some time to respond and then ScheduleWork to initiate commissioning
	return DeviceLayer::SystemLayer().StartTimer(
	chip::System::Clock::Milliseconds32(kCommissionerDiscoveryTimeoutInMs),
	[](System::Layer , void ) { chip::DeviceLayer::PlatformMgr().ScheduleWork(InitCommissioningFlow); }, nullptr);
	}

	CHIP_ERROR RequestCommissioning(int index)
	{
	chip::Optional<TargetVideoPlayerInfo *> associatedConnectableVideoPlayer;
	const Dnssd::DiscoveredNodeData * selectedCommissioner =
	CastingServer::GetInstance()->GetDiscoveredCommissioner(index, associatedConnectableVideoPlayer);
	if (selectedCommissioner == nullptr)
	{
	ChipLogError(AppServer, "No such commissioner with index %d exists", index);
	return CHIP_ERROR_INVALID_ARGUMENT;
	}
	PrepareForCommissioning(selectedCommissioner);
	return CHIP_NO_ERROR;
	}

	/**
	* Enters commissioning mode, opens commissioning window, logs onboarding payload.
	* If non-null selectedCommissioner is provided, sends user directed commissioning
	* request to the selectedCommissioner and advertises self as commissionable node over DNS-SD
	*/
	void PrepareForCommissioning(const Dnssd::DiscoveredNodeData * selectedCommissioner)
	{
	CastingServer::GetInstance()->Init();

	CastingServer::GetInstance()->OpenBasicCommissioningWindow(HandleCommissioningCompleteCallback, OnConnectionSuccess,
	OnConnectionFailure, OnNewOrUpdatedEndpoint);

	// Display onboarding payload
	chip::DeviceLayer::ConfigurationMgr().LogDeviceConfig();

	#if CHIP_DEVICE_CONFIG_ENABLE_COMMISSIONER_DISCOVERY_CLIENT
	if (selectedCommissioner != nullptr)
	{
	// Send User Directed commissioning request
	// Wait 1 second to allow our commissionee DNS records to publish (needed on Mac)
	int32_t expiration = 1;
	ReturnOnFailure(DeviceLayer::SystemLayer().StartTimer(System::Clock::Seconds32(expiration), HandleUDCSendExpiration,
	(void *) selectedCommissioner));
	}
	else
	{
	ChipLogProgress(AppServer, "To run discovery again, enter: cast discover");
	}
	#endif // CHIP_DEVICE_CONFIG_ENABLE_COMMISSIONER_DISCOVERY_CLIENT
	}

	void InitCommissioningFlow(intptr_t commandArg)
	{
	int commissionerCount = 0;

	// Display discovered commissioner TVs to ask user to select one
	for (int i = 0; i < CHIP_DEVICE_CONFIG_MAX_DISCOVERED_NODES; i++)
	{
	chip::Optional<TargetVideoPlayerInfo *> associatedConnectableVideoPlayer;
	const Dnssd::DiscoveredNodeData * commissioner =
	CastingServer::GetInstance()->GetDiscoveredCommissioner(i, associatedConnectableVideoPlayer);
	if (commissioner != nullptr)
	{
	ChipLogProgress(AppServer, "Discovered Commissioner #%d", commissionerCount++);
	commissioner->LogDetail();
	if (associatedConnectableVideoPlayer.HasValue())
	{
	TargetVideoPlayerInfo * targetVideoPlayerInfo = associatedConnectableVideoPlayer.Value();
	ChipLogProgress(AppServer, "Previously connected with nodeId 0x" ChipLogFormatX64 " fabricIndex: %d",
	ChipLogValueX64(targetVideoPlayerInfo->GetNodeId()), targetVideoPlayerInfo->GetFabricIndex());
	}
	}
	}

	if (commissionerCount > 0)
	{
	ChipLogProgress(AppServer, "%d commissioner(s) discovered. Select one (by number# above) to request commissioning from: ",
	commissionerCount);

	ChipLogProgress(AppServer, "Example: cast request 0");
	}
	else
	{
	ChipLogError(AppServer, "No commissioner discovered, commissioning must be initiated manually!");
	PrepareForCommissioning();
	}
	}

	void LaunchURLResponseCallback(CHIP_ERROR err)
	{
	ChipLogProgress(AppServer, "LaunchURLResponseCallback called with %" CHIP_ERROR_FORMAT, err.Format());
	}

	void OnCurrentStateReadResponseSuccess(
	void * context, chip::app::Clusters::MediaPlayback::Attributes::CurrentState::TypeInfo::DecodableArgType responseData)
	{
	ChipLogProgress(AppServer, "OnCurrentStateReadResponseSuccess called with responseData: %d", static_cast<int>(responseData));
	switch (responseData)
	{
	case chip::app::Clusters::MediaPlayback::PlaybackStateEnum::kPlaying:
	ChipLogProgress(AppServer, "OnCurrentStateReadResponseSuccess CurrentState: Playing");
	break;
	case chip::app::Clusters::MediaPlayback::PlaybackStateEnum::kPaused:
	ChipLogProgress(AppServer, "OnCurrentStateReadResponseSuccess CurrentState: Paused");
	break;
	case chip::app::Clusters::MediaPlayback::PlaybackStateEnum::kNotPlaying:
	ChipLogProgress(AppServer, "OnCurrentStateReadResponseSuccess CurrentState: Not Playing");
	break;
	case chip::app::Clusters::MediaPlayback::PlaybackStateEnum::kBuffering:
	ChipLogProgress(AppServer, "OnCurrentStateReadResponseSuccess CurrentState: Buffering");
	break;
	default:
	ChipLogError(AppServer, "OnCurrentStateReadResponseSuccess Invalid CurrentState!");
	break;
	}

	if (context != nullptr)
	{
	ChipLogProgress(AppServer, "OnCurrentStateReadResponseSuccess context value: %d", (static_cast<int >(context)));
	}
	}

	void OnCurrentStateReadResponseFailure(void * context, CHIP_ERROR err)
	{
	ChipLogProgress(AppServer, "OnCurrentStateReadResponseFailure called with %" CHIP_ERROR_FORMAT, err.Format());
	}

	void OnCurrentStateSubscriptionEstablished(void * context)
	{
	ChipLogProgress(AppServer, "OnCurrentStateSubscriptionEstablished called");
	if (context != nullptr)
	{
	ChipLogProgress(AppServer, "OnCurrentStateSubscriptionEstablished context value: %d", (static_cast<int >(context)));
	}
	}

	void doCastingDemoActions(TargetEndpointInfo * endpoint)
	{
	if (endpoint != nullptr && endpoint->IsInitialized())
	{
	if (endpoint->HasCluster(chip::app::Clusters::MediaPlayback::Id))
	{
	// Subscribe to MediaPlayback::CurrentState
	ChipLogProgress(AppServer,
	"doCastingDemoActions requesting subscription on MediaPlayback:CurrentState on endpoint ID: %d",
	endpoint->GetEndpointId());
	CHIP_ERROR err = CastingServer::GetInstance()->MediaPlayback_SubscribeToCurrentState(
	endpoint, static_cast<void *>(&gInitialContextVal), OnCurrentStateReadResponseSuccess,
	OnCurrentStateReadResponseFailure, 0, 4000, OnCurrentStateSubscriptionEstablished);
	if (err != CHIP_NO_ERROR)
	{
	ChipLogError(AppServer, "MediaPlayback_SubscribeToCurrentState call failed!");
	}
	}
	else
	{
	ChipLogProgress(AppServer,
	"doCastingDemoActions: Not subscribing to MediaPlayback:CurrentState on endpoint ID %d as it does not "
	"support the MediaPlayback cluster",
	endpoint->GetEndpointId());
	}

	if (endpoint->HasCluster(chip::app::Clusters::ContentLauncher::Id))
	{
	// Send a ContentLauncher::LaunchURL command
	ChipLogProgress(AppServer, "doCastingDemoActions sending ContentLauncher:LaunchURL on endpoint ID: %d",
	endpoint->GetEndpointId());
	CHIP_ERROR err = CastingServer::GetInstance()->ContentLauncherLaunchURL(endpoint, kContentUrl, kContentDisplayStr,
	LaunchURLResponseCallback);
	if (err != CHIP_NO_ERROR)
	{
	ChipLogError(AppServer, "ContentLauncherLaunchURL call failed!");
	}
	}
	else
	{
	ChipLogProgress(AppServer,
	"doCastingDemoActions: Not sending ContentLauncher:LaunchURL on endpoint ID %d as it does not support "
	"the ContentLauncher cluster",
	endpoint->GetEndpointId());
	}
	}
	}

	void OnConnectionSuccess(TargetVideoPlayerInfo * videoPlayer)
	{
	ChipLogProgress(AppServer,
	"OnConnectionSuccess with Video Player(nodeId: 0x" ChipLogFormatX64
	", fabricIndex: %d, deviceName: %s, vendorId: %d, productId: "
	"%d, deviceType: %d)",
	ChipLogValueX64(videoPlayer->GetNodeId()), videoPlayer->GetFabricIndex(), videoPlayer->GetDeviceName(),
	videoPlayer->GetVendorId(), videoPlayer->GetProductId(), videoPlayer->GetDeviceType());

	TargetEndpointInfo * endpoints = videoPlayer->GetEndpoints();
	if (endpoints != nullptr)
	{
	for (size_t i = 0; i < kMaxNumberOfEndpoints && endpoints[i].IsInitialized(); i++)
	{
	doCastingDemoActions(&endpoints[i]); // LaunchURL and Subscribe to CurrentState
	}
	}
	}

	void OnConnectionFailure(CHIP_ERROR err)
	{
	ChipLogError(AppServer, "OnConnectionFailure error: %" CHIP_ERROR_FORMAT, err.AsString());
	}

	void OnNewOrUpdatedEndpoint(TargetEndpointInfo * endpoint)
	{
	ChipLogProgress(AppServer, "OnNewOrUpdatedEndpoint called");
	doCastingDemoActions(endpoint); // LaunchURL and Subscribe to CurrentState
	}

	CHIP_ERROR ConnectToCachedVideoPlayer()
	{
	TargetVideoPlayerInfo * cachedVideoPlayers = CastingServer::GetInstance()->ReadCachedTargetVideoPlayerInfos();
	if (cachedVideoPlayers != nullptr)
	{
	for (size_t i = 0; i < kMaxCachedVideoPlayers; i++)
	{
	if (cachedVideoPlayers[i].IsInitialized())
	{
	ChipLogProgress(AppServer, "Found a Cached video player with nodeId: 0x" ChipLogFormatX64 ", fabricIndex: %d",
	ChipLogValueX64(cachedVideoPlayers[i].GetNodeId()), cachedVideoPlayers[i].GetFabricIndex());
	if (CastingServer::GetInstance()->VerifyOrEstablishConnection(
	cachedVideoPlayers[i], OnConnectionSuccess, OnConnectionFailure, OnNewOrUpdatedEndpoint) == CHIP_NO_ERROR)
	{
	ChipLogProgress(AppServer,
	"FindOrEstablish CASESession attempted for cached video player with nodeId: 0x" ChipLogFormatX64
	", fabricIndex: %d",
	ChipLogValueX64(cachedVideoPlayers[i].GetNodeId()), cachedVideoPlayers[i].GetFabricIndex());
	return CHIP_NO_ERROR;
	}
	}
	}
	}
	return CHIP_ERROR_INVALID_CASE_PARAMETER;
	}

	void HandleCommissioningCompleteCallback(CHIP_ERROR err)
	{
	ChipLogProgress(AppServer, "HandleCommissioningCompleteCallback called with %" CHIP_ERROR_FORMAT, err.Format());
	}

	#if CHIP_DEVICE_CONFIG_ENABLE_COMMISSIONER_DISCOVERY_CLIENT
	void HandleUDCSendExpiration(System::Layer * aSystemLayer, void * context)
	{
	Dnssd::DiscoveredNodeData * selectedCommissioner = (Dnssd::DiscoveredNodeData *) context;

	// Send User Directed commissioning request
	ReturnOnFailure(CastingServer::GetInstance()->SendUserDirectedCommissioningRequest(selectedCommissioner));
	}
	#endif // CHIP_DEVICE_CONFIG_ENABLE_COMMISSIONER_DISCOVERY_CLIENT

	void PrintFabrics()
	{
	// set fabric to be the first in the list
	for (const auto & fb : chip::Server::GetInstance().GetFabricTable())
	{
	FabricIndex fabricIndex = fb.GetFabricIndex();
	ChipLogError(AppServer, "Next Fabric index=%d", fabricIndex);
	if (!fb.IsInitialized())
	{
	ChipLogError(AppServer, " -- Not initialized");
	continue;
	}
	NodeId myNodeId = fb.GetNodeId();
	ChipLogProgress(NotSpecified,
	"---- Current Fabric nodeId=0x" ChipLogFormatX64 " fabricId=0x" ChipLogFormatX64 " fabricIndex=%d",
	ChipLogValueX64(myNodeId), ChipLogValueX64(fb.GetFabricId()), fabricIndex);
	}
	}