public static async Task <SessionWithSolution> CreateAsync(RemoteHostClient.Connection connection, Solution solution, CancellationToken cancellationToken)
{
Contract.ThrowIfNull(connection);
Contract.ThrowIfNull(solution);
PinnedRemotableDataScope scope = null;
try
{
scope = await solution.GetPinnedScopeAsync(cancellationToken).ConfigureAwait(false);
// set connection state for this session.
// we might remove this in future. see https://github.com/dotnet/roslyn/issues/24836
await connection.InvokeAsync(
WellKnownServiceHubServices.ServiceHubServiceBase_Initialize,
new object[] { scope.SolutionInfo },
cancellationToken).ConfigureAwait(false);
return(new SessionWithSolution(connection, scope));
}
catch
{
// Make sure disposable objects are disposed when exceptions are thrown. The try/finally is used to
// ensure 'scope' is disposed even if an exception is thrown while disposing 'connection'.
try
{
connection.Dispose();
}
finally
{
scope?.Dispose();
}
// we only expect this to happen on cancellation. otherwise, rethrow
cancellationToken.ThrowIfCancellationRequested();
throw;
}
}
private SessionWithSolution(RemoteHostClient.Connection connection, PinnedRemotableDataScope scope)
{
_connection = connection;
_scope = scope;
}
public static async Task <SessionWithSolution> CreateAsync(RemoteHostClient.Connection connection, PinnedRemotableDataScope scope, CancellationToken cancellationToken)
{
var sessionWithSolution = new SessionWithSolution(connection, scope);
try
{
await connection.RegisterPinnedRemotableDataScopeAsync(scope).ConfigureAwait(false);
return(sessionWithSolution);
}
catch
{
sessionWithSolution.Dispose();
// we only expect this to happen on cancellation. otherwise, rethrow
cancellationToken.ThrowIfCancellationRequested();
throw;
}
}
protected abstract Task OnRegisterPinnedRemotableDataScopeAsync(PinnedRemotableDataScope scope);
public static async Task <SessionWithSolution> CreateAsync(RemoteHostClient.Connection connection, PinnedRemotableDataScope scope, CancellationToken cancellationToken)
{
var sessionWithSolution = new SessionWithSolution(connection, scope);
try
{
// set connection state for this session.
// we might remove this in future. see https://github.com/dotnet/roslyn/issues/24836
await connection.InvokeAsync(
WellKnownServiceHubServices.ServiceHubServiceBase_Initialize,
new object[] { scope.SolutionInfo },
cancellationToken).ConfigureAwait(false);
return(sessionWithSolution);
}
catch
{
sessionWithSolution.Dispose();
// we only expect this to happen on cancellation. otherwise, rethrow
cancellationToken.ThrowIfCancellationRequested();
throw;
}
}
protected override Task <Session> TryCreateServiceSessionAsync(
string serviceName, PinnedRemotableDataScope snapshot, object callbackTarget, CancellationToken cancellationToken)
{
return(SpecializedTasks.Default <Session>());
}
protected virtual Task <Session> TryCreateServiceSessionAsync(string serviceName, PinnedRemotableDataScope snapshot, object callbackTarget, CancellationToken cancellationToken)
{
#pragma warning disable CS0612 // leave it for now to not break backward compatibility
return(CreateServiceSessionAsync(serviceName, snapshot, callbackTarget, cancellationToken));
#pragma warning restore CS0612 // Type or member is obsolete
}
private SessionWithSolution(KeepAliveSession keepAliveSession, PinnedRemotableDataScope scope)
{
KeepAliveSession = keepAliveSession;
_scope = scope;
}
private SessionWithSolution(RemoteServiceConnection connection, PinnedRemotableDataScope scope)
{
KeepAliveSession = connection;
_scope = scope;
}
protected abstract Task <Session> CreateServiceSessionAsync(string serviceName, PinnedRemotableDataScope snapshot, object callbackTarget, CancellationToken cancellationToken);
public NoOpSession(PinnedRemotableDataScope scope, CancellationToken cancellationToken) :
base(scope, cancellationToken)
{
}
protected override Task <Session> CreateServiceSessionAsync(
string serviceName, PinnedRemotableDataScope snapshot, object callbackTarget, CancellationToken cancellationToken)
{
return(Task.FromResult <Session>(new NoOpSession(snapshot, cancellationToken)));
}
private SessionWithSolution(RemoteHostClient.Connection connection, PinnedRemotableDataScope scope, CancellationToken cancellationToken)
{
_connection = connection;
_scope = scope;
_cancellationToken = cancellationToken;
}
public virtual Task RegisterPinnedRemotableDataScopeAsync(PinnedRemotableDataScope scope)
{
return(OnRegisterPinnedRemotableDataScopeAsync(scope));
}
