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Discovery API with example code
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@sharadb-amazon
sharadb-amazon committed Dec 29, 2023
1 parent 8ca4cf3 commit cbce91e
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Showing 25 changed files with 783 additions and 150 deletions.
54 changes: 46 additions & 8 deletions ...-casting-app/darwin/MatterTvCastingBridge/MatterTvCastingBridge.xcodeproj/project.pbxproj
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Expand Up @@ -9,7 +9,7 @@
/* Begin PBXBuildFile section */
3C2346212B362B4F00FA276E /* MTRCastingPlayer.h in Headers */ = {isa = PBXBuildFile; fileRef = 3C2346202B362B4F00FA276E /* MTRCastingPlayer.h */; };
3C2346232B362B9500FA276E /* MTRCastingPlayerDiscovery.h in Headers */ = {isa = PBXBuildFile; fileRef = 3C2346222B362B9500FA276E /* MTRCastingPlayerDiscovery.h */; };
3C2346252B362BBB00FA276E /* MTRCastingPlayerDiscovery.m in Sources */ = {isa = PBXBuildFile; fileRef = 3C2346242B362BBB00FA276E /* MTRCastingPlayerDiscovery.m */; };
3C2346252B362BBB00FA276E /* MTRCastingPlayerDiscovery.mm in Sources */ = {isa = PBXBuildFile; fileRef = 3C2346242B362BBB00FA276E /* MTRCastingPlayerDiscovery.mm */; };
3C2346272B362BF400FA276E /* MTREndpoint.h in Headers */ = {isa = PBXBuildFile; fileRef = 3C2346262B362BF400FA276E /* MTREndpoint.h */; };
3C2346292B362C2100FA276E /* MTRCluster.h in Headers */ = {isa = PBXBuildFile; fileRef = 3C2346282B362C2100FA276E /* MTRCluster.h */; };
3C23462B2B362C3D00FA276E /* MTRAttribute.h in Headers */ = {isa = PBXBuildFile; fileRef = 3C23462A2B362C3D00FA276E /* MTRAttribute.h */; };
Expand All @@ -35,7 +35,10 @@
3C81C74C28F7A777001CB9D1 /* ContentApp.mm in Sources */ = {isa = PBXBuildFile; fileRef = 3C81C74B28F7A777001CB9D1 /* ContentApp.mm */; };
3C81C75028F7A7D3001CB9D1 /* VideoPlayer.m in Sources */ = {isa = PBXBuildFile; fileRef = 3C81C74F28F7A7D3001CB9D1 /* VideoPlayer.m */; };
3C9437872B364F4F0096E5F4 /* MTREndpoint.m in Sources */ = {isa = PBXBuildFile; fileRef = 3C9437862B364F4F0096E5F4 /* MTREndpoint.m */; };
3C9437892B364F5E0096E5F4 /* MTRCastingPlayer.m in Sources */ = {isa = PBXBuildFile; fileRef = 3C9437882B364F5E0096E5F4 /* MTRCastingPlayer.m */; };
3C9437922B3B478E0096E5F4 /* MTRErrorUtils.h in Headers */ = {isa = PBXBuildFile; fileRef = 3C9437912B3B478E0096E5F4 /* MTRErrorUtils.h */; };
3C9437942B3B47A10096E5F4 /* MTRErrorUtils.mm in Sources */ = {isa = PBXBuildFile; fileRef = 3C9437932B3B47A10096E5F4 /* MTRErrorUtils.mm */; };
3C9437962B3B51E00096E5F4 /* MTRConversionUtils.h in Headers */ = {isa = PBXBuildFile; fileRef = 3C9437952B3B51E00096E5F4 /* MTRConversionUtils.h */; };
3C9437982B3B51FD0096E5F4 /* MTRConversionUtils.mm in Sources */ = {isa = PBXBuildFile; fileRef = 3C9437972B3B51FD0096E5F4 /* MTRConversionUtils.mm */; };
3CCB87212869085400771BAD /* MatterTvCastingBridge.h in Headers */ = {isa = PBXBuildFile; fileRef = 3CCB87202869085400771BAD /* MatterTvCastingBridge.h */; settings = {ATTRIBUTES = (Public, ); }; };
3CCB8737286A555500771BAD /* libTvCastingCommon.a in Frameworks */ = {isa = PBXBuildFile; fileRef = 3CCB8735286A555500771BAD /* libTvCastingCommon.a */; };
3CCB8738286A555500771BAD /* libmbedtls.a in Frameworks */ = {isa = PBXBuildFile; fileRef = 3CCB8736286A555500771BAD /* libmbedtls.a */; settings = {ATTRIBUTES = (Required, ); }; };
Expand Down Expand Up @@ -67,7 +70,7 @@
3C0D9CDF2920A30C00D3332B /* CommissionableDataProviderImpl.hpp */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.h; path = CommissionableDataProviderImpl.hpp; sourceTree = "<group>"; };
3C2346202B362B4F00FA276E /* MTRCastingPlayer.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = MTRCastingPlayer.h; sourceTree = "<group>"; };
3C2346222B362B9500FA276E /* MTRCastingPlayerDiscovery.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = MTRCastingPlayerDiscovery.h; sourceTree = "<group>"; };
3C2346242B362BBB00FA276E /* MTRCastingPlayerDiscovery.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = MTRCastingPlayerDiscovery.m; sourceTree = "<group>"; };
3C2346242B362BBB00FA276E /* MTRCastingPlayerDiscovery.mm */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.objcpp; path = MTRCastingPlayerDiscovery.mm; sourceTree = "<group>"; };
3C2346262B362BF400FA276E /* MTREndpoint.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = MTREndpoint.h; sourceTree = "<group>"; };
3C2346282B362C2100FA276E /* MTRCluster.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = MTRCluster.h; sourceTree = "<group>"; };
3C23462A2B362C3D00FA276E /* MTRAttribute.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = MTRAttribute.h; sourceTree = "<group>"; };
Expand Down Expand Up @@ -101,6 +104,10 @@
3C81C75128F7A7DF001CB9D1 /* VideoPlayer.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = VideoPlayer.h; sourceTree = "<group>"; };
3C9437862B364F4F0096E5F4 /* MTREndpoint.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = MTREndpoint.m; sourceTree = "<group>"; };
3C9437882B364F5E0096E5F4 /* MTRCastingPlayer.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = MTRCastingPlayer.m; sourceTree = "<group>"; };
3C9437912B3B478E0096E5F4 /* MTRErrorUtils.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = MTRErrorUtils.h; sourceTree = "<group>"; };
3C9437932B3B47A10096E5F4 /* MTRErrorUtils.mm */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.objcpp; path = MTRErrorUtils.mm; sourceTree = "<group>"; };
3C9437952B3B51E00096E5F4 /* MTRConversionUtils.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = MTRConversionUtils.h; sourceTree = "<group>"; };
3C9437972B3B51FD0096E5F4 /* MTRConversionUtils.mm */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.objcpp; path = MTRConversionUtils.mm; sourceTree = "<group>"; };
3CA1CA7728E243750023ED44 /* MediaPlaybackTypes.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = MediaPlaybackTypes.h; sourceTree = "<group>"; };
3CCB871D2869085400771BAD /* MatterTvCastingBridge.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = MatterTvCastingBridge.framework; sourceTree = BUILT_PRODUCTS_DIR; };
3CCB87202869085400771BAD /* MatterTvCastingBridge.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = MatterTvCastingBridge.h; sourceTree = "<group>"; };
Expand Down Expand Up @@ -144,6 +151,27 @@
/* End PBXFrameworksBuildPhase section */

/* Begin PBXGroup section */
3C94378A2B3654720096E5F4 /* Core */ = {
isa = PBXGroup;
children = (
);
path = Core;
sourceTree = "<group>";
};
3C94378B2B36547A0096E5F4 /* Support */ = {
isa = PBXGroup;
children = (
);
path = Support;
sourceTree = "<group>";
};
3C94378C2B3654960096E5F4 /* Clusters */ = {
isa = PBXGroup;
children = (
);
path = Clusters;
sourceTree = "<group>";
};
3CCB87132869085400771BAD = {
isa = PBXGroup;
children = (
Expand All @@ -165,11 +193,14 @@
3CCB871F2869085400771BAD /* MatterTvCastingBridge */ = {
isa = PBXGroup;
children = (
3C94378A2B3654720096E5F4 /* Core */,
3C94378B2B36547A0096E5F4 /* Support */,
3C94378C2B3654960096E5F4 /* Clusters */,
3CCB87202869085400771BAD /* MatterTvCastingBridge.h */,
3CF71C092A992D0D003A5CE5 /* MTRCastingApp.h */,
3CF71C0B2A992D25003A5CE5 /* MTRCastingApp.mm */,
3C2346222B362B9500FA276E /* MTRCastingPlayerDiscovery.h */,
3C2346242B362BBB00FA276E /* MTRCastingPlayerDiscovery.m */,
3C2346242B362BBB00FA276E /* MTRCastingPlayerDiscovery.mm */,
3C2346202B362B4F00FA276E /* MTRCastingPlayer.h */,
3C9437882B364F5E0096E5F4 /* MTRCastingPlayer.m */,
3C2346262B362BF400FA276E /* MTREndpoint.h */,
Expand All @@ -196,6 +227,12 @@
3C2346362B362D8E00FA276E /* MTRMediaPlaybackCluster.h */,
3C2346382B362DA100FA276E /* MTRMediaPlaybackCluster.m */,
3C23463A2B362E4200FA276E /* MTRCurrentState.h */,
3C9437952B3B51E00096E5F4 /* MTRConversionUtils.h */,
3C9437972B3B51FD0096E5F4 /* MTRConversionUtils.mm */,
3CF8532528E37ED800F07B9F /* MatterError.h */,
3CF8532628E37F1000F07B9F /* MatterError.mm */,
3C9437912B3B478E0096E5F4 /* MTRErrorUtils.h */,
3C9437932B3B47A10096E5F4 /* MTRErrorUtils.mm */,
3CCB873A286A593700771BAD /* CastingServerBridge.h */,
3CCB873D286A593700771BAD /* CastingServerBridge.mm */,
3C66FBFA2903279A00B63FE7 /* AppParameters.h */,
Expand All @@ -210,8 +247,6 @@
3C81C74B28F7A777001CB9D1 /* ContentApp.mm */,
3C81C75128F7A7DF001CB9D1 /* VideoPlayer.h */,
3C81C74F28F7A7D3001CB9D1 /* VideoPlayer.m */,
3CF8532528E37ED800F07B9F /* MatterError.h */,
3CF8532628E37F1000F07B9F /* MatterError.mm */,
3C4E53B428E5593700F293E8 /* ContentLauncherTypes.h */,
3C4E53B528E5595A00F293E8 /* ContentLauncherTypes.mm */,
3CA1CA7728E243750023ED44 /* MediaPlaybackTypes.h */,
Expand Down Expand Up @@ -258,9 +293,11 @@
3C23462B2B362C3D00FA276E /* MTRAttribute.h in Headers */,
3C23462D2B362C6E00FA276E /* MTREndpointClusterType.h in Headers */,
3CCB8742286A593700771BAD /* ConversionUtils.hpp in Headers */,
3C9437922B3B478E0096E5F4 /* MTRErrorUtils.h in Headers */,
3C23463B2B362E4200FA276E /* MTRCurrentState.h in Headers */,
3CCB8741286A593700771BAD /* DiscoveredNodeData.h in Headers */,
3C2346312B362D4700FA276E /* MTRContentLauncherCluster.h in Headers */,
3C9437962B3B51E00096E5F4 /* MTRConversionUtils.h in Headers */,
3CCB87212869085400771BAD /* MatterTvCastingBridge.h in Headers */,
3C2346352B362D7900FA276E /* MTRLaunchResponse.h in Headers */,
3C6920462AA1093300D0F613 /* MTRDeviceAttestationCredentialsProvider.h in Headers */,
Expand Down Expand Up @@ -367,7 +404,6 @@
3C2346332B362D5F00FA276E /* MTRContentLauncherCluster.m in Sources */,
3C4E53B228E5184C00F293E8 /* TargetNavigatorTypes.mm in Sources */,
3C6920482AA1094000D0F613 /* MTRDeviceAttestationCredentialsProvider.mm in Sources */,
3C9437892B364F5E0096E5F4 /* MTRCastingPlayer.m in Sources */,
3CE5ECD02A673E2C007CF331 /* CommissioningCallbackHandlers.m in Sources */,
3CD73F192A9E68A7009D82D1 /* MTRRotatingDeviceIdUniqueIdProvider.mm in Sources */,
3CF8532728E37F1000F07B9F /* MatterError.mm in Sources */,
Expand All @@ -378,11 +414,13 @@
3C4E53B028E4F28100F293E8 /* MediaPlaybackTypes.mm in Sources */,
3CD73F1E2A9E83C1009D82D1 /* MTRCommissionableDataProvider.mm in Sources */,
3CD73F222A9EA078009D82D1 /* MTRDeviceAttestationCredentials.mm in Sources */,
3C2346252B362BBB00FA276E /* MTRCastingPlayerDiscovery.m in Sources */,
3C2346252B362BBB00FA276E /* MTRCastingPlayerDiscovery.mm in Sources */,
3C66FBFC290327BB00B63FE7 /* AppParameters.mm in Sources */,
3C2346392B362DA100FA276E /* MTRMediaPlaybackCluster.m in Sources */,
3C9437942B3B47A10096E5F4 /* MTRErrorUtils.mm in Sources */,
3CE868F42946D76200FCB92B /* CommissionableDataProviderImpl.mm in Sources */,
3C26AC9329282B8100BA6881 /* DeviceAttestationCredentialsHolder.m in Sources */,
3C9437982B3B51FD0096E5F4 /* MTRConversionUtils.mm in Sources */,
3C9437872B364F4F0096E5F4 /* MTREndpoint.m in Sources */,
3C26AC902927008900BA6881 /* DeviceAttestationCredentialsProviderImpl.mm in Sources */,
3CCB873F286A593700771BAD /* DiscoveredNodeData.mm in Sources */,
Expand Down
29 changes: 24 additions & 5 deletions examples/tv-casting-app/darwin/MatterTvCastingBridge/MatterTvCastingBridge/MTRCastingApp.h
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Original file line number Diff line number Diff line change
Expand Up @@ -31,22 +31,41 @@
*/
+ (MTRCastingApp * _Nullable)getSharedInstance;

- (dispatch_queue_t _Nullable)getWorkQueue;

- (dispatch_queue_t _Nullable)getClientQueue;

/**
* @brief Initializes the MTRCastingApp with appParameters
*
* @param dataSource provides all the parameters required to initialize the MTRCastingApp
*/
- (MatterError * _Nonnull)initializeWithDataSource:(id<MTRDataSource> _Nonnull)dataSource;
- (NSError * _Nullable)initializeWithDataSource:(id<MTRDataSource> _Nonnull)dataSource;

/**
* @brief (async) Starts the Matter server that the MTRCastingApp runs on and registers all the necessary delegates
*/
- (void)startWithCompletionBlock:(void (^_Nonnull __strong)(NSError * _Nullable __strong))completion;

/**
* @brief (async) Stops the Matter server that the MTRCastingApp runs on
*/
- (void)stopWithCompletionBlock:(void (^_Nonnull __strong)(NSError * _Nullable __strong))completion;

/**
* @brief true, if MTRCastingApp is running. false otherwise
*/
- (bool)isRunning;

/**
* @brief Starts the Matter server that the MTRCastingApp runs on and registers all the necessary delegates
* @brief Tears down all active subscriptions.
*/
- (MatterError * _Nonnull)start;
- (NSError * _Nullable)ShutdownAllSubscriptions;

/**
* @brief Stops the Matter server that the MTRCastingApp runs on
* @brief Clears app cache that contains the information about CastingPlayers previously connected to
*/
- (MatterError * _Nonnull)stop;
- (NSError * _Nullable)ClearCache;

@end

Expand Down
108 changes: 82 additions & 26 deletions examples/tv-casting-app/darwin/MatterTvCastingBridge/MatterTvCastingBridge/MTRCastingApp.mm
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,7 @@
#import "MTRCommissionableDataProvider.h"
#import "MTRCommonCaseDeviceServerInitParamsProvider.h"
#import "MTRDeviceAttestationCredentialsProvider.h"
#import "MTRErrorUtils.h"
#import "MTRRotatingDeviceIdUniqueIdProvider.h"

#import "core/Types.h"
Expand All @@ -36,14 +37,17 @@ @interface MTRCastingApp ()
@property matter::casting::support::MTRDeviceAttestationCredentialsProvider * dacProvider;
@property MTRCommonCaseDeviceServerInitParamsProvider * serverInitParamsProvider;

// queue used to serialize all work performed by the CastingServerBridge
@property (atomic) dispatch_queue_t chipWorkQueue;
// queue used when calling the client code on completion blocks from any MatterTvCastingBridge API
@property dispatch_queue_t _Nonnull clientQueue;

// queue used to perform all work performed by the MatterTvCastingBridge
@property (atomic) dispatch_queue_t workQueue;

@end

@implementation MTRCastingApp

+ (MTRCastingApp * _Nullable)getSharedInstance
+ (MTRCastingApp *)getSharedInstance
{
static MTRCastingApp * instance = nil;
static dispatch_once_t onceToken;
Expand All @@ -53,63 +57,115 @@ + (MTRCastingApp * _Nullable)getSharedInstance
return instance;
}

- (MatterError * _Nonnull)initializeWithDataSource:(id _Nonnull)dataSource
- (dispatch_queue_t)getWorkQueue
{
return _workQueue;
}

- (dispatch_queue_t)getClientQueue
{
return _clientQueue;
}

- (NSError *)initializeWithDataSource:(id)dataSource
{
ChipLogProgress(AppServer, "MTRCastingApp.initializeWithDataSource called");

// get the clientQueue
VerifyOrReturnValue([dataSource clientQueue] != nil, [MTRErrorUtils NSErrorFromChipError:CHIP_ERROR_INVALID_ARGUMENT]);
_clientQueue = [dataSource clientQueue];

// Initialize cpp Providers
VerifyOrReturnValue(_uniqueIdProvider.Initialize(dataSource) == CHIP_NO_ERROR, MATTER_ERROR_INVALID_ARGUMENT);
VerifyOrReturnValue(_uniqueIdProvider.Initialize(dataSource) == CHIP_NO_ERROR, [MTRErrorUtils NSErrorFromChipError:CHIP_ERROR_INVALID_ARGUMENT]);

_commissionableDataProvider = new matter::casting::support::MTRCommissionableDataProvider();
VerifyOrReturnValue(_commissionableDataProvider->Initialize(dataSource) == CHIP_NO_ERROR, MATTER_ERROR_INVALID_ARGUMENT);
VerifyOrReturnValue(_commissionableDataProvider->Initialize(dataSource) == CHIP_NO_ERROR, [MTRErrorUtils NSErrorFromChipError:CHIP_ERROR_INVALID_ARGUMENT]);

_dacProvider = new matter::casting::support::MTRDeviceAttestationCredentialsProvider();
VerifyOrReturnValue(_dacProvider->Initialize(dataSource) == CHIP_NO_ERROR, MATTER_ERROR_INVALID_ARGUMENT);
VerifyOrReturnValue(_dacProvider->Initialize(dataSource) == CHIP_NO_ERROR, [MTRErrorUtils NSErrorFromChipError:CHIP_ERROR_INVALID_ARGUMENT]);

_serverInitParamsProvider = new MTRCommonCaseDeviceServerInitParamsProvider();

// Create cpp AppParameters
VerifyOrReturnValue(_appParameters.Create(&_uniqueIdProvider, _commissionableDataProvider, _dacProvider,
GetDefaultDACVerifier(chip::Credentials::GetTestAttestationTrustStore()), _serverInitParamsProvider)
== CHIP_NO_ERROR,
MATTER_ERROR_INVALID_ARGUMENT);
[MTRErrorUtils NSErrorFromChipError:CHIP_ERROR_INVALID_ARGUMENT]);

// Initialize cpp CastingApp
VerifyOrReturnValue(matter::casting::core::CastingApp::GetInstance()->Initialize(_appParameters) == CHIP_NO_ERROR,
MATTER_ERROR_INCORRECT_STATE);
[MTRErrorUtils NSErrorFromChipError:CHIP_ERROR_INCORRECT_STATE]);

// Get and store the CHIP Work queue
_chipWorkQueue = chip::DeviceLayer::PlatformMgrImpl().GetWorkQueue();
_workQueue = chip::DeviceLayer::PlatformMgrImpl().GetWorkQueue();

return MATTER_NO_ERROR;
return [MTRErrorUtils NSErrorFromChipError:CHIP_NO_ERROR];
}

- (MatterError * _Nonnull)start
- (void)startWithCompletionBlock:(void (^)(NSError *))completion
{
ChipLogProgress(AppServer, "MTRCastingApp.start called");
VerifyOrReturnValue(_chipWorkQueue != nil, MATTER_ERROR_INCORRECT_STATE);
ChipLogProgress(AppServer, "MTRCastingApp.startWithCompletionBlock called");
VerifyOrReturn(_workQueue != nil && _clientQueue != nil, dispatch_async(self->_clientQueue, ^{
completion([MTRErrorUtils NSErrorFromChipError:CHIP_ERROR_INCORRECT_STATE]);
}));

dispatch_async(_workQueue, ^{
__block CHIP_ERROR err = matter::casting::core::CastingApp::GetInstance()->Start();
dispatch_async(self->_clientQueue, ^{
completion([MTRErrorUtils NSErrorFromChipError:err]);
});
});
__block CHIP_ERROR err = chip::DeviceLayer::PlatformMgrImpl().StartEventLoopTask();
VerifyOrReturn(err == CHIP_NO_ERROR, dispatch_async(self->_clientQueue, ^{
completion([MTRErrorUtils NSErrorFromChipError:err]);
}));
}

__block CHIP_ERROR err = CHIP_NO_ERROR;
- (void)stopWithCompletionBlock:(void (^)(NSError *))completion
{
ChipLogProgress(AppServer, "MTRCastingApp.stopWithCompletionBlock called");
VerifyOrReturn(_workQueue != nil && _clientQueue != nil, dispatch_async(self->_clientQueue, ^{
completion([MTRErrorUtils NSErrorFromChipError:CHIP_ERROR_INCORRECT_STATE]);
}));

dispatch_sync(_chipWorkQueue, ^{
err = matter::casting::core::CastingApp::GetInstance()->Start();
});
dispatch_async(_workQueue, ^{
__block CHIP_ERROR err = matter::casting::core::CastingApp::GetInstance()->Stop();

return err == CHIP_NO_ERROR ? MATTER_NO_ERROR : MATTER_ERROR_INCORRECT_STATE;
dispatch_async(self->_clientQueue, ^{
completion([MTRErrorUtils NSErrorFromChipError:err]);
});
});
}

- (MatterError * _Nonnull)stop
- (bool)isRunning
{
ChipLogProgress(AppServer, "MTRCastingApp.stop called");
VerifyOrReturnValue(_chipWorkQueue != nil, MATTER_ERROR_INCORRECT_STATE);
VerifyOrReturnValue(_workQueue != nil && _clientQueue != nil, false);

__block CHIP_ERROR err = CHIP_NO_ERROR;
__block bool running = false;
dispatch_sync(_workQueue, ^{
running = matter::casting::core::CastingApp::GetInstance()->isRunning();
});
return running;
}

dispatch_sync(_chipWorkQueue, ^{
err = matter::casting::core::CastingApp::GetInstance()->Stop();
- (NSError *)ShutdownAllSubscriptions
{
ChipLogProgress(AppServer, "MTRCastingApp.ShutdownAllSubscriptions called");
__block CHIP_ERROR err = CHIP_NO_ERROR;
dispatch_sync(_workQueue, ^{
err = matter::casting::core::CastingApp::GetInstance()->ShutdownAllSubscriptions();
});
return [MTRErrorUtils NSErrorFromChipError:err];
}

return err == CHIP_NO_ERROR ? MATTER_NO_ERROR : MATTER_ERROR_INCORRECT_STATE;
- (NSError *)ClearCache
{
ChipLogProgress(AppServer, "MTRCastingApp.ClearCache called");
__block CHIP_ERROR err = CHIP_NO_ERROR;
dispatch_sync(_workQueue, ^{
err = matter::casting::core::CastingApp::GetInstance()->ClearCache();
});
return [MTRErrorUtils NSErrorFromChipError:err];
}

@end
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