public GetActiveRepoListHandler(
ITracer tracer,
RepoRegistry registry,
NamedPipeServer.Connection connection,
NamedPipeMessages.GetActiveRepoListRequest request)
{
this.tracer = tracer;
this.registry = registry;
this.connection = connection;
this.request = request;
}
private bool TryGetRepoList(out List <string> repoList, out string errorMessage)
{
repoList = null;
errorMessage = string.Empty;
NamedPipeMessages.GetActiveRepoListRequest request = new NamedPipeMessages.GetActiveRepoListRequest();
using (NamedPipeClient client = new NamedPipeClient(this.ServicePipeName))
{
if (!client.Connect())
{
errorMessage = "GVFS.Service is not responding.";
return(false);
}
try
{
client.SendRequest(request.ToMessage());
NamedPipeMessages.Message response = client.ReadResponse();
if (response.Header == NamedPipeMessages.GetActiveRepoListRequest.Response.Header)
{
NamedPipeMessages.GetActiveRepoListRequest.Response message = NamedPipeMessages.GetActiveRepoListRequest.Response.FromMessage(response);
if (!string.IsNullOrEmpty(message.ErrorMessage))
{
errorMessage = message.ErrorMessage;
}
else
{
if (message.State != NamedPipeMessages.CompletionState.Success)
{
errorMessage = "Unable to retrieve repo list.";
}
else
{
repoList = message.RepoList;
return(true);
}
}
}
else
{
errorMessage = string.Format("GVFS.Service responded with unexpected message: {0}", response);
}
}
catch (BrokenPipeException e)
{
errorMessage = "Unable to communicate with GVFS.Service: " + e.ToString();
}
return(false);
}
}
protected virtual void HandleMessage(
ITracer tracer,
NamedPipeMessages.Message message,
NamedPipeServer.Connection connection)
{
switch (message.Header)
{
case NamedPipeMessages.RegisterRepoRequest.Header:
this.requestDescription = MountRequestDescription;
NamedPipeMessages.RegisterRepoRequest mountRequest = NamedPipeMessages.RegisterRepoRequest.FromMessage(message);
RegisterRepoHandler mountHandler = new RegisterRepoHandler(tracer, this.repoRegistry, connection, mountRequest);
mountHandler.Run();
break;
case NamedPipeMessages.UnregisterRepoRequest.Header:
this.requestDescription = UnmountRequestDescription;
NamedPipeMessages.UnregisterRepoRequest unmountRequest = NamedPipeMessages.UnregisterRepoRequest.FromMessage(message);
UnregisterRepoHandler unmountHandler = new UnregisterRepoHandler(tracer, this.repoRegistry, connection, unmountRequest);
unmountHandler.Run();
break;
case NamedPipeMessages.GetActiveRepoListRequest.Header:
this.requestDescription = RepoListRequestDescription;
NamedPipeMessages.GetActiveRepoListRequest repoListRequest = NamedPipeMessages.GetActiveRepoListRequest.FromMessage(message);
GetActiveRepoListHandler excludeHandler = new GetActiveRepoListHandler(tracer, this.repoRegistry, connection, repoListRequest);
excludeHandler.Run();
break;
case NamedPipeMessages.EnableAndAttachProjFSRequest.Header:
// This request is ignored on non Windows platforms.
NamedPipeMessages.EnableAndAttachProjFSRequest.Response response = new NamedPipeMessages.EnableAndAttachProjFSRequest.Response();
response.State = NamedPipeMessages.CompletionState.Success;
this.TrySendResponse(tracer, response.ToMessage().ToString(), connection);
break;
default:
this.requestDescription = UnknownRequestDescription;
EventMetadata metadata = new EventMetadata();
metadata.Add("Area", this.etwArea);
metadata.Add("Header", message.Header);
tracer.RelatedWarning(metadata, "HandleNewConnection: Unknown request", Keywords.Telemetry);
this.TrySendResponse(tracer, NamedPipeMessages.UnknownRequest, connection);
break;
}
}
private void HandleRequest(ITracer tracer, string request, NamedPipeServer.Connection connection)
{
NamedPipeMessages.Message message = NamedPipeMessages.Message.FromString(request);
if (string.IsNullOrWhiteSpace(message.Header))
{
return;
}
using (ITracer activity = this.tracer.StartActivity(message.Header, EventLevel.Informational, new EventMetadata {
{ "request", request }
}))
{
switch (message.Header)
{
case NamedPipeMessages.RegisterRepoRequest.Header:
try
{
NamedPipeMessages.RegisterRepoRequest mountRequest = NamedPipeMessages.RegisterRepoRequest.FromMessage(message);
RegisterRepoHandler mountHandler = new RegisterRepoHandler(activity, this.repoRegistry, connection, mountRequest);
mountHandler.Run();
}
catch (SerializationException ex)
{
activity.RelatedError("Could not deserialize mount request: {0}", ex.Message);
}
break;
case NamedPipeMessages.UnregisterRepoRequest.Header:
try
{
NamedPipeMessages.UnregisterRepoRequest unmountRequest = NamedPipeMessages.UnregisterRepoRequest.FromMessage(message);
UnregisterRepoHandler unmountHandler = new UnregisterRepoHandler(activity, this.repoRegistry, connection, unmountRequest);
unmountHandler.Run();
}
catch (SerializationException ex)
{
activity.RelatedError("Could not deserialize unmount request: {0}", ex.Message);
}
break;
case NamedPipeMessages.EnableAndAttachProjFSRequest.Header:
try
{
NamedPipeMessages.EnableAndAttachProjFSRequest attachRequest = NamedPipeMessages.EnableAndAttachProjFSRequest.FromMessage(message);
EnableAndAttachProjFSHandler attachHandler = new EnableAndAttachProjFSHandler(activity, connection, attachRequest);
attachHandler.Run();
}
catch (SerializationException ex)
{
activity.RelatedError("Could not deserialize attach volume request: {0}", ex.Message);
}
break;
case NamedPipeMessages.GetActiveRepoListRequest.Header:
try
{
NamedPipeMessages.GetActiveRepoListRequest repoListRequest = NamedPipeMessages.GetActiveRepoListRequest.FromMessage(message);
GetActiveRepoListHandler excludeHandler = new GetActiveRepoListHandler(activity, this.repoRegistry, connection, repoListRequest);
excludeHandler.Run();
}
catch (SerializationException ex)
{
activity.RelatedError("Could not deserialize repo list request: {0}", ex.Message);
}
break;
default:
EventMetadata metadata = new EventMetadata();
metadata.Add("Area", EtwArea);
metadata.Add("Header", message.Header);
this.tracer.RelatedWarning(metadata, "HandleNewConnection: Unknown request", Keywords.Telemetry);
connection.TrySendResponse(NamedPipeMessages.UnknownRequest);
break;
}
}
}
