/// <param name="projectsToInclude">Cone of projects to compute a checksum for. Pass in <see langword="null"/>
/// to get a checksum for the entire solution</param>
private async Task <SolutionStateChecksums> ComputeChecksumsAsync(
HashSet <ProjectId>?projectsToInclude,
SerializableOptionSet options,
CancellationToken cancellationToken)
{
try
{
using (Logger.LogBlock(FunctionId.SolutionState_ComputeChecksumsAsync, FilePath, cancellationToken))
{
// get states by id order to have deterministic checksum. Limit to the requested set of projects
// if applicable.
var orderedProjectIds = ChecksumCache.GetOrCreate(ProjectIds, _ => ProjectIds.OrderBy(id => id.Id).ToImmutableArray());
var projectChecksumTasks = orderedProjectIds.Where(id => projectsToInclude == null || projectsToInclude.Contains(id))
.Select(id => ProjectStates[id])
.Where(s => RemoteSupportedLanguages.IsSupported(s.Language))
.Select(s => s.GetChecksumAsync(cancellationToken))
.ToArray();
var serializer = _solutionServices.Workspace.Services.GetRequiredService <ISerializerService>();
var attributesChecksum = serializer.CreateChecksum(SolutionAttributes, cancellationToken);
var optionsChecksum = serializer.CreateChecksum(options, cancellationToken);
var frozenSourceGeneratedDocumentIdentityChecksum = Checksum.Null;
var frozenSourceGeneratedDocumentTextChecksum = Checksum.Null;
if (FrozenSourceGeneratedDocumentState != null)
{
frozenSourceGeneratedDocumentIdentityChecksum = serializer.CreateChecksum(FrozenSourceGeneratedDocumentState.Identity, cancellationToken);
frozenSourceGeneratedDocumentTextChecksum = (await FrozenSourceGeneratedDocumentState.GetStateChecksumsAsync(cancellationToken).ConfigureAwait(false)).Text;
}
var analyzerReferenceChecksums = ChecksumCache.GetOrCreate <ChecksumCollection>(AnalyzerReferences,
_ => new ChecksumCollection(AnalyzerReferences.Select(r => serializer.CreateChecksum(r, cancellationToken)).ToArray()));
var projectChecksums = await Task.WhenAll(projectChecksumTasks).ConfigureAwait(false);
return(new SolutionStateChecksums(attributesChecksum, optionsChecksum, new ChecksumCollection(projectChecksums), analyzerReferenceChecksums, frozenSourceGeneratedDocumentIdentityChecksum, frozenSourceGeneratedDocumentTextChecksum));
}
}
catch (Exception e) when(FatalError.ReportAndPropagateUnlessCanceled(e, cancellationToken))
{
throw ExceptionUtilities.Unreachable;
}
}
/// <param name="projectsToInclude">Cone of projects to compute a checksum for. Pass in <see langword="null"/>
/// to get a checksum for the entire solution</param>
private async Task <SolutionStateChecksums> ComputeChecksumsAsync(
HashSet <ProjectId>?projectsToInclude,
SerializableOptionSet options,
CancellationToken cancellationToken)
{
try
{
using (Logger.LogBlock(FunctionId.SolutionState_ComputeChecksumsAsync, FilePath, cancellationToken))
{
// get states by id order to have deterministic checksum. Limit expensive computation to the
// requested set of projects if applicable.
var orderedProjectIds = ChecksumCache.GetOrCreate(ProjectIds, _ => ProjectIds.OrderBy(id => id.Id).ToImmutableArray());
var projectChecksumTasks = orderedProjectIds
.Select(id => (state: ProjectStates[id], mustCompute: projectsToInclude == null || projectsToInclude.Contains(id)))
.Where(t => RemoteSupportedLanguages.IsSupported(t.state.Language))
.Select(async t =>
{
// if it's a project that's specifically in the sync'ed cone, include this checksum so that
// this project definitely syncs over.
if (t.mustCompute)
{
return(await t.state.GetChecksumAsync(cancellationToken).ConfigureAwait(false));
}
// If it's a project that is not in the cone, still try to get the latest checksum for it if
// we have it. That way we don't send over a checksum *without* that project, causing the
// OOP side to throw that project away (along with all the compilation info stored with it).
if (t.state.TryGetStateChecksums(out var stateChecksums))
{
return(stateChecksums.Checksum);
}
// We have never computed the checksum for this project. Don't send anything for it.
return(null);
})
.ToArray();
var serializer = _solutionServices.Workspace.Services.GetRequiredService <ISerializerService>();
var attributesChecksum = serializer.CreateChecksum(SolutionAttributes, cancellationToken);
var optionsChecksum = serializer.CreateChecksum(options, cancellationToken);
var frozenSourceGeneratedDocumentIdentityChecksum = Checksum.Null;
var frozenSourceGeneratedDocumentTextChecksum = Checksum.Null;
if (FrozenSourceGeneratedDocumentState != null)
{
frozenSourceGeneratedDocumentIdentityChecksum = serializer.CreateChecksum(FrozenSourceGeneratedDocumentState.Identity, cancellationToken);
frozenSourceGeneratedDocumentTextChecksum = (await FrozenSourceGeneratedDocumentState.GetStateChecksumsAsync(cancellationToken).ConfigureAwait(false)).Text;
}
var analyzerReferenceChecksums = ChecksumCache.GetOrCreate <ChecksumCollection>(AnalyzerReferences,
_ => new ChecksumCollection(AnalyzerReferences.Select(r => serializer.CreateChecksum(r, cancellationToken)).ToArray()));
var projectChecksums = await Task.WhenAll(projectChecksumTasks).ConfigureAwait(false);
return(new SolutionStateChecksums(
attributesChecksum,
optionsChecksum,
new ChecksumCollection(projectChecksums.WhereNotNull().ToArray()),
analyzerReferenceChecksums,
frozenSourceGeneratedDocumentIdentityChecksum,
frozenSourceGeneratedDocumentTextChecksum));
}
}
catch (Exception e) when(FatalError.ReportAndPropagateUnlessCanceled(e, cancellationToken))
{
throw ExceptionUtilities.Unreachable;
}
}
