protected virtual async Task <TagHelperResolutionResult> ResolveTagHelpersOutOfProcessAsync(IProjectEngineFactory factory, Project workspaceProject, ProjectSnapshot projectSnapshot)
{
// We're being overly defensive here because the OOP host can return null for the client/session/operation
// when it's disconnected (user stops the process).
//
// This will change in the future to an easier to consume API but for VS RTM this is what we have.
try
{
var remoteClient = await RazorRemoteHostClient.CreateAsync(_workspace, CancellationToken.None);
var args = new object[]
{
projectSnapshot,
factory?.GetType().AssemblyQualifiedName,
};
var result = await remoteClient.TryRunRemoteAsync <TagHelperResolutionResult>(
"GetTagHelpersAsync",
workspaceProject.Solution,
args,
CancellationToken.None).ConfigureAwait(false);
return(result.HasValue ? result.Value : null);
}
catch (Exception ex)
{
// We silence exceptions from the OOP host because we don't want to bring down VS for an OOP failure.
// We will retry all failures in process anyway, so if there's a real problem that isn't unique to OOP
// then it will report a crash in VS.
_errorReporter.ReportError(ex, projectSnapshot);
}
return(null);
}
protected virtual async Task <TagHelperResolutionResult> ResolveTagHelpersOutOfProcessAsync(IProjectEngineFactory factory, Project workspaceProject, ProjectSnapshot projectSnapshot, CancellationToken cancellationToken)
{
// We're being overly defensive here because the OOP host can return null for the client/session/operation
// when it's disconnected (user stops the process).
//
// This will change in the future to an easier to consume API but for VS RTM this is what we have.
var remoteClient = await RazorRemoteHostClient.TryGetClientAsync(_workspace.Services, RazorServiceDescriptors.TagHelperProviderServiceDescriptors, RazorRemoteServiceCallbackDispatcherRegistry.Empty, cancellationToken);
if (remoteClient == null)
{
// Could not resolve
return(null);
}
var projectHandle = new ProjectSnapshotHandle(projectSnapshot.FilePath, projectSnapshot.Configuration, projectSnapshot.RootNamespace);
var result = await remoteClient.TryInvokeAsync <IRemoteTagHelperProviderService, TagHelperResolutionResult>(
workspaceProject.Solution,
(service, solutionInfo, innerCancellationToken) => service.GetTagHelpersAsync(solutionInfo, projectHandle, factory?.GetType().AssemblyQualifiedName, innerCancellationToken),
cancellationToken
);
return(result.HasValue ? result.Value : null);
}
