protected ServiceHubServiceBase(IServiceProvider serviceProvider, Stream stream)
{
InstanceId = Interlocked.Add(ref s_instanceId, 1);
_disposed = false;
// in unit test, service provider will return asset storage, otherwise, use the default one
AssetStorage = (AssetStorage)serviceProvider.GetService(typeof(AssetStorage)) ?? AssetStorage.Default;
Logger = (TraceSource)serviceProvider.GetService(typeof(TraceSource));
Logger.TraceInformation($"{DebugInstanceString} Service instance created");
_shutdownCancellationSource = new CancellationTokenSource();
ShutdownCancellationToken = _shutdownCancellationSource.Token;
// due to this issue - https://github.com/dotnet/roslyn/issues/16900#issuecomment-277378950
// all sub type must explicitly start JsonRpc once everything is
// setup
_rpc = new JsonRpc(new JsonRpcMessageHandler(stream, stream), this);
_rpc.JsonSerializer.Converters.Add(AggregateJsonConverter.Instance);
_rpc.Disconnected += OnRpcDisconnected;
// we do this since we want to mark Rpc as obsolete but want to set its value for
// partner teams until they move. we can't use Rpc directly since we will get
// obsolete error and we can't suppress it since it is an error
this.GetType().GetField("Rpc", BindingFlags.Instance | BindingFlags.NonPublic).SetValue(this, _rpc);
}
public void InitializeGlobalState(string host, int uiCultureLCID, int cultureLCID, string?serializedSession, CancellationToken cancellationToken)
{
RunService(() =>
{
// initialize global asset storage
AssetStorage.Initialize(this);
// serializedSession may be null for testing
if (serializedSession != null)
{
SetGlobalContext(uiCultureLCID, cultureLCID, serializedSession);
}
// log telemetry that service hub started
RoslynLogger.Log(FunctionId.RemoteHost_Connect, KeyValueLogMessage.Create(m =>
{
m["Host"] = host;
m["InstanceId"] = InstanceId;
}));
if (serializedSession != null)
{
// Set this process's priority BelowNormal.
// this should let us to freely try to use all resources possible without worrying about affecting
// host's work such as responsiveness or build.
Process.GetCurrentProcess().PriorityClass = ProcessPriorityClass.BelowNormal;
}
}, cancellationToken);
}
public async Task SynchronizeGlobalAssetsAsync(Checksum[] checksums)
{
using (RoslynLogger.LogBlock(FunctionId.RemoteHostService_SynchronizeGlobalAssetsAsync, Checksum.GetChecksumsLogInfo, checksums, CancellationToken))
{
try
{
var assets = await RoslynServices.AssetService.GetAssetsAsync <object>(checksums, CancellationToken).ConfigureAwait(false);
foreach (var asset in assets)
{
AssetStorage.TryAddGlobalAsset(asset.Item1, asset.Item2);
}
}
catch (IOException)
{
// stream to send over assets has closed before we
// had chance to check cancellation
}
catch (OperationCanceledException)
{
// rpc connection has closed.
// this can happen if client side cancelled the
// operation
}
}
}
protected AssetSource(AssetStorage assetStorage, int sessionId)
{
_assetStorage = assetStorage;
_sessionId = sessionId;
_assetStorage.RegisterAssetSource(_sessionId, this);
}
public RoslynServices(int scopeId, AssetStorage storage, HostServices hostServices)
{
_scopeId = scopeId;
AssetService = new AssetService(_scopeId, storage, SolutionService.PrimaryWorkspace);
SolutionService = new SolutionService(AssetService);
CompilationService = new CompilationService(SolutionService);
}
public RoslynServices(int scopeId, AssetStorage storage)
{
_scopeId = scopeId;
AssetService = new AssetService(_scopeId, storage);
SolutionService = new SolutionService(AssetService);
CompilationService = new CompilationService(SolutionService);
}
public async Task SynchronizeGlobalAssetsAsync(Checksum[] checksums, CancellationToken cancellationToken)
{
using (RoslynLogger.LogBlock(FunctionId.RemoteHostService_SynchronizeGlobalAssetsAsync, Checksum.GetChecksumsLogInfo, checksums, cancellationToken))
{
var assets = await RoslynServices.AssetService.GetAssetsAsync <object>(checksums, cancellationToken).ConfigureAwait(false);
foreach (var asset in assets)
{
AssetStorage.TryAddGlobalAsset(asset.Item1, asset.Item2);
}
}
}
public RoslynServices(int scopeId, AssetStorage storage, HostServices hostServices)
{
_scopeId = scopeId;
var mefHostExportProvider = (IMefHostExportProvider)hostServices;
var primaryWorkspace = mefHostExportProvider.GetExports <PrimaryWorkspace>().Single().Value;
var workspace = (RemoteWorkspace)primaryWorkspace.Workspace ?? new RemoteWorkspace();
AssetService = new AssetService(_scopeId, storage, workspace);
SolutionService = new SolutionService(AssetService);
CompilationService = new CompilationService(SolutionService);
}
protected ServiceBase(IServiceProvider serviceProvider, Stream stream, IEnumerable <JsonConverter>?jsonConverters = null)
{
InstanceId = Interlocked.Add(ref s_instanceId, 1);
// in unit test, service provider will return asset storage, otherwise, use the default one
AssetStorage = (AssetStorage)serviceProvider.GetService(typeof(AssetStorage)) ?? AssetStorage.Default;
Logger = (TraceSource)serviceProvider.GetService(typeof(TraceSource));
Log(TraceEventType.Information, "Service instance created");
// invoke all calls incoming over the stream on this service instance:
EndPoint = new RemoteEndPoint(stream, Logger, incomingCallTarget: this, jsonConverters);
}
public void InitializeGlobalState(int uiCultureLCID, int cultureLCID, CancellationToken cancellationToken)
{
RunService(() =>
{
// initialize global asset storage
AssetStorage.Initialize(this);
if (uiCultureLCID != 0)
{
EnsureCulture(uiCultureLCID, cultureLCID);
}
}, cancellationToken);
}
public Task SynchronizeGlobalAssetsAsync(PinnedSolutionInfo solutionInfo, Checksum[] checksums, CancellationToken cancellationToken)
{
return(RunServiceAsync(async() =>
{
using (RoslynLogger.LogBlock(FunctionId.RemoteHostService_SynchronizeGlobalAssetsAsync, Checksum.GetChecksumsLogInfo, checksums, cancellationToken))
{
var assetProvider = SolutionService.CreateAssetProvider(solutionInfo, AssetStorage);
var assets = await assetProvider.GetAssetsAsync <object>(checksums, cancellationToken).ConfigureAwait(false);
foreach (var(checksum, value) in assets)
{
AssetStorage.TryAddGlobalAsset(checksum, value);
}
}
}, cancellationToken));
}
protected ServiceHubServiceBase(Stream stream, IServiceProvider serviceProvider)
{
_instanceId = Interlocked.Add(ref s_instanceId, 1);
// in unit test, service provider will return asset storage, otherwise, use the default one
AssetStorage = (AssetStorage)serviceProvider.GetService(typeof(AssetStorage)) ?? AssetStorage.Default;
Logger = (TraceSource)serviceProvider.GetService(typeof(TraceSource));
Logger.TraceInformation($"{DebugInstanceString} Service instance created");
_cancellationTokenSource = new CancellationTokenSource();
CancellationToken = _cancellationTokenSource.Token;
Rpc = JsonRpc.Attach(stream, this);
Rpc.Disconnected += OnRpcDisconnected;
}
protected ServiceHubServiceBase(IServiceProvider serviceProvider, Stream stream)
{
_instanceId = Interlocked.Add(ref s_instanceId, 1);
// in unit test, service provider will return asset storage, otherwise, use the default one
AssetStorage = (AssetStorage)serviceProvider.GetService(typeof(AssetStorage)) ?? AssetStorage.Default;
Logger = (TraceSource)serviceProvider.GetService(typeof(TraceSource));
Logger.TraceInformation($"{DebugInstanceString} Service instance created");
_cancellationTokenSource = new CancellationTokenSource();
CancellationToken = _cancellationTokenSource.Token;
// due to this issue - https://github.com/dotnet/roslyn/issues/16900#issuecomment-277378950
// all sub type must explicitly start JsonRpc once everything is
// setup
Rpc = new JsonRpc(stream, stream, this);
Rpc.Disconnected += OnRpcDisconnected;
}
public string Connect(string host, int uiCultureLCID, int cultureLCID, string?serializedSession, CancellationToken cancellationToken)
{
return(RunService(() =>
{
cancellationToken.ThrowIfCancellationRequested();
// initialize global assert storage
AssetStorage.Initialize(this);
_primaryInstance = InstanceId;
var existing = Interlocked.CompareExchange(ref _host, host, null);
// serializedSession may be null for testing
if (serializedSession != null)
{
SetGlobalContext(uiCultureLCID, cultureLCID, serializedSession);
}
if (existing != null && existing != host)
{
Log(TraceEventType.Error, $"{host} is given for {existing}");
}
// log telemetry that service hub started
RoslynLogger.Log(FunctionId.RemoteHost_Connect, KeyValueLogMessage.Create(SetSessionInfo));
if (serializedSession != null)
{
// Set this process's priority BelowNormal.
// this should let us to freely try to use all resources possible without worrying about affecting
// host's work such as responsiveness or build.
Process.GetCurrentProcess().PriorityClass = ProcessPriorityClass.BelowNormal;
}
return _host;
}, cancellationToken));
}
protected ServiceBase(IServiceProvider serviceProvider, Stream stream, IEnumerable <JsonConverter> jsonConverters)
{
InstanceId = Interlocked.Add(ref s_instanceId, 1);
_disposed = false;
// in unit test, service provider will return asset storage, otherwise, use the default one
AssetStorage = (AssetStorage)serviceProvider.GetService(typeof(AssetStorage)) ?? AssetStorage.Default;
Logger = (TraceSource)serviceProvider.GetService(typeof(TraceSource));
Logger.TraceInformation($"{DebugInstanceString} Service instance created");
// due to this issue - https://github.com/dotnet/roslyn/issues/16900#issuecomment-277378950
// all sub type must explicitly start JsonRpc once everything is
// setup.
// we also wires given json converters when creating JsonRpc so that razor or SBD can register
// their own converter when they create their own service
_rpc = stream.CreateStreamJsonRpc(target: this, Logger, jsonConverters);
_rpc.Disconnected += OnRpcDisconnected;
// we do this since we want to mark Rpc as obsolete but want to set its value for
// partner teams until they move. we can't use Rpc directly since we will get
// obsolete error and we can't suppress it since it is an error
this.GetType().GetField("Rpc", BindingFlags.Instance | BindingFlags.NonPublic).SetValue(this, _rpc);
}
public AssetService(int scopeId, AssetStorage assetStorage)
{
_scopeId = scopeId;
_assetStorage = assetStorage;
}
public Task SynchronizeTextAsync(DocumentId documentId, Checksum baseTextChecksum, IEnumerable <TextChange> textChanges, CancellationToken cancellationToken)
{
return(RunServiceAsync(async() =>
{
using (RoslynLogger.LogBlock(FunctionId.RemoteHostService_SynchronizeTextAsync, Checksum.GetChecksumLogInfo, baseTextChecksum, cancellationToken))
{
var service = SolutionService.PrimaryWorkspace.Services.GetService <ISerializerService>();
if (service == null)
{
return;
}
var text = await TryGetSourceTextAsync().ConfigureAwait(false);
if (text == null)
{
// it won't bring in base text if it is not there already.
// text needed will be pulled in when there is request
return;
}
var newText = new WrappedText(text.WithChanges(textChanges));
var newChecksum = service.CreateChecksum(newText, cancellationToken);
// save new text in the cache so that when asked, the data is most likely already there
//
// this cache is very short live. and new text created above is ChangedText which share
// text data with original text except the changes.
// so memory wise, this doesn't put too much pressure on the cache. it will not duplicates
// same text multiple times.
//
// also, once the changes are picked up and put into Workspace, normal Workspace
// caching logic will take care of the text
AssetStorage.TryAddAsset(newChecksum, newText);
}
async Task <SourceText?> TryGetSourceTextAsync()
{
// check the cheap and fast one first.
// see if the cache has the source text
if (AssetStorage.TryGetAsset <SourceText>(baseTextChecksum, out var sourceText))
{
return sourceText;
}
// do slower one
// check whether existing solution has it
var document = SolutionService.PrimaryWorkspace.CurrentSolution.GetDocument(documentId);
if (document == null)
{
return null;
}
// check checksum whether it is there.
// since we lazily synchronize whole solution (SynchronizePrimaryWorkspaceAsync) when things are idle,
// soon or later this will get hit even if text changes got out of sync due to issues in VS side
// such as file is first opened and there is no SourceText in memory yet.
if (!document.State.TryGetStateChecksums(out var state) ||
!state.Text.Equals(baseTextChecksum))
{
return null;
}
return await document.GetTextAsync(cancellationToken).ConfigureAwait(false);
}
}, cancellationToken));
}
public RemoteHostTestData(AssetStorage assetStorage, RemoteWorkspaceManager workspaceManager, bool isInProc)
{
AssetStorage = assetStorage;
WorkspaceManager = workspaceManager;
IsInProc = isInProc;
}
public AssetService(int sessionId, AssetStorage assetStorage)
{
_sessionId = sessionId;
_assetStorage = assetStorage;
}
public AssetProvider CreateAssetProvider(PinnedSolutionInfo solutionInfo, AssetStorage assetStorage)
{
var serializerService = Services.GetRequiredService <ISerializerService>();
return(new AssetProvider(solutionInfo.ScopeId, assetStorage, serializerService));
}
public AssetProvider(int scopeId, AssetStorage assetStorage, ISerializerService serializerService)
{
_scopeId = scopeId;
_assetStorage = assetStorage;
_serializerService = serializerService;
}
protected AssetSource(AssetStorage assetStorage)
{
_assetStorage = assetStorage;
_assetStorage.SetAssetSource(this);
}
public static AssetService CreateAssetProvider(PinnedSolutionInfo solutionInfo, AssetStorage assetStorage)
{
var serializerService = PrimaryWorkspace.Services.GetRequiredService <ISerializerService>();
return(new AssetService(solutionInfo.ScopeId, assetStorage, serializerService));
}
public AssetService(int scopeId, AssetStorage assetStorage, RemoteWorkspace remoteWorkspace)
{
_serializerService = remoteWorkspace.Services.GetService <ISerializerService>();
_scopeId = scopeId;
_assetStorage = assetStorage;
}