public void Run()
{
string errorMessage;
NamedPipeMessages.CompletionState state = NamedPipeMessages.CompletionState.Success;
if (!TryEnablePrjFlt(this.tracer, out errorMessage))
{
state = NamedPipeMessages.CompletionState.Failure;
this.tracer.RelatedError("Unable to install or enable PrjFlt. Enlistment root: {0} \nError: {1} ", this.request.EnlistmentRoot, errorMessage);
}
if (!string.IsNullOrEmpty(this.request.EnlistmentRoot))
{
if (!ProjFSFilter.TryAttach(this.request.EnlistmentRoot, out errorMessage))
{
state = NamedPipeMessages.CompletionState.Failure;
this.tracer.RelatedError("Unable to attach filter to volume. Enlistment root: {0} \nError: {1} ", this.request.EnlistmentRoot, errorMessage);
}
}
NamedPipeMessages.EnableAndAttachProjFSRequest.Response response = new NamedPipeMessages.EnableAndAttachProjFSRequest.Response();
response.State = state;
response.ErrorMessage = errorMessage;
this.WriteToClient(response.ToMessage(), this.connection, this.tracer);
}
/// <summary>
/// Request that PrjFlt be enabled and attached to the volume of the enlistment root
/// </summary>
/// <param name="enlistmentRoot">Enlistment root. If string.Empty, PrjFlt will be enabled but not attached to any volumes</param>
/// <param name="errorMessage">Error meesage (in the case of failure)</param>
/// <returns>True is successful and false otherwise</returns>
protected bool TryEnableAndAttachPrjFltThroughService(string enlistmentRoot, out string errorMessage)
{
errorMessage = string.Empty;
NamedPipeMessages.EnableAndAttachProjFSRequest request = new NamedPipeMessages.EnableAndAttachProjFSRequest();
request.EnlistmentRoot = enlistmentRoot;
using (NamedPipeClient client = new NamedPipeClient(this.ServicePipeName))
{
if (!client.Connect())
{
errorMessage = "GVFS.Service is not responding. " + GVFSVerb.StartServiceInstructions;
return(false);
}
try
{
client.SendRequest(request.ToMessage());
NamedPipeMessages.Message response = client.ReadResponse();
if (response.Header == NamedPipeMessages.EnableAndAttachProjFSRequest.Response.Header)
{
NamedPipeMessages.EnableAndAttachProjFSRequest.Response message = NamedPipeMessages.EnableAndAttachProjFSRequest.Response.FromMessage(response);
if (!string.IsNullOrEmpty(message.ErrorMessage))
{
errorMessage = message.ErrorMessage;
return(false);
}
if (message.State != NamedPipeMessages.CompletionState.Success)
{
errorMessage = $"Failed to attach ProjFS to volume.";
return(false);
}
else
{
return(true);
}
}
else
{
errorMessage = string.Format("GVFS.Service responded with unexpected message: {0}", response);
return(false);
}
}
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;
}
}