/// <summary>
/// Constructor.
/// </summary>
public NodeContext(int nodeId, int processId,
#if FEATURE_NAMED_PIPES_FULL_DUPLEX
Stream nodePipe,
#else
AnonymousPipeServerStream clientToServerStream,
AnonymousPipeServerStream serverToClientStream,
#endif
INodePacketFactory factory, NodeContextTerminateDelegate terminateDelegate)
{
_nodeId = nodeId;
_processId = processId;
#if FEATURE_NAMED_PIPES_FULL_DUPLEX
_clientToServerStream = nodePipe;
_serverToClientStream = nodePipe;
#else
_clientToServerStream = clientToServerStream;
_serverToClientStream = serverToClientStream;
#endif
_packetFactory = factory;
_headerByte = new byte[5]; // 1 for the packet type, 4 for the body length
_smallReadBuffer = new byte[1000]; // 1000 was just an average seen on one profile run.
_nodeTerminated = new ManualResetEvent(false);
_terminateDelegate = terminateDelegate;
_sharedReadBuffer = InterningBinaryReader.CreateSharedBuffer();
}
/// <summary>
/// Instantiates an endpoint to act as a client
/// </summary>
/// <param name="pipeName">The name of the pipe to which we should connect.</param>
internal void InternalConstruct(string pipeName)
{
ErrorUtilities.VerifyThrowArgumentLength(pipeName, nameof(pipeName));
_debugCommunications = (Environment.GetEnvironmentVariable("MSBUILDDEBUGCOMM") == "1");
_status = LinkStatus.Inactive;
_asyncDataMonitor = new object();
_sharedReadBuffer = InterningBinaryReader.CreateSharedBuffer();
_packetStream = new MemoryStream();
_binaryWriter = new BinaryWriter(_packetStream);
#if FEATURE_PIPE_SECURITY && FEATURE_NAMED_PIPE_SECURITY_CONSTRUCTOR
if (!NativeMethodsShared.IsMono)
{
SecurityIdentifier identifier = WindowsIdentity.GetCurrent().Owner;
PipeSecurity security = new PipeSecurity();
// Restrict access to just this account. We set the owner specifically here, and on the
// pipe client side they will check the owner against this one - they must have identical
// SIDs or the client will reject this server. This is used to avoid attacks where a
// hacked server creates a less restricted pipe in an attempt to lure us into using it and
// then sending build requests to the real pipe client (which is the MSBuild Build Manager.)
PipeAccessRule rule = new PipeAccessRule(identifier, PipeAccessRights.ReadWrite, AccessControlType.Allow);
security.AddAccessRule(rule);
security.SetOwner(identifier);
_pipeServer = new NamedPipeServerStream
(
pipeName,
PipeDirection.InOut,
1, // Only allow one connection at a time.
PipeTransmissionMode.Byte,
PipeOptions.Asynchronous | PipeOptions.WriteThrough,
PipeBufferSize, // Default input buffer
PipeBufferSize, // Default output buffer
security,
HandleInheritability.None
);
}
else
#endif
{
_pipeServer = new NamedPipeServerStream
(
pipeName,
PipeDirection.InOut,
1, // Only allow one connection at a time.
PipeTransmissionMode.Byte,
PipeOptions.Asynchronous | PipeOptions.WriteThrough,
PipeBufferSize, // Default input buffer
PipeBufferSize // Default output buffer
);
}
}
/// <summary>
/// Instantiates an endpoint to act as a client
/// </summary>
/// <param name="pipeName">The name of the pipe to which we should connect.</param>
internal void InternalConstruct(string pipeName)
{
ErrorUtilities.VerifyThrowArgumentLength(pipeName, nameof(pipeName));
_debugCommunications = (Environment.GetEnvironmentVariable("MSBUILDDEBUGCOMM") == "1");
_status = LinkStatus.Inactive;
_asyncDataMonitor = new object();
_sharedReadBuffer = InterningBinaryReader.CreateSharedBuffer();
_pipeServer = NamedPipeUtil.CreateNamedPipeServer(pipeName, PipeBufferSize, PipeBufferSize);
}
/// <summary>
/// Constructor.
/// </summary>
public NodeContext(int nodeId, int processId, NamedPipeClientStream nodePipe, INodePacketFactory factory, NodeContextTerminateDelegate terminateDelegate)
{
_nodeId = nodeId;
_processId = processId;
_nodePipe = nodePipe;
_packetFactory = factory;
_headerByte = new byte[5]; // 1 for the packet type, 4 for the body length
_smallReadBuffer = new byte[1000]; // 1000 was just an average seen on one profile run.
_nodeTerminated = new ManualResetEvent(false);
_terminateDelegate = terminateDelegate;
_sharedReadBuffer = InterningBinaryReader.CreateSharedBuffer();
}
internal void InternalConstruct(string clientToServerPipeHandle, string serverToClientPipeHandle)
{
ErrorUtilities.VerifyThrowArgumentLength(clientToServerPipeHandle, "clientToServerPipeHandle");
ErrorUtilities.VerifyThrowArgumentLength(serverToClientPipeHandle, "serverToClientPipeHandle");
_debugCommunications = (Environment.GetEnvironmentVariable("MSBUILDDEBUGCOMM") == "1");
_status = LinkStatus.Inactive;
_asyncDataMonitor = new object();
_sharedReadBuffer = InterningBinaryReader.CreateSharedBuffer();
_pipeClientToServer = new AnonymousPipeClientStream(PipeDirection.Out, clientToServerPipeHandle);
_pipeServerToClient = new AnonymousPipeClientStream(PipeDirection.In, serverToClientPipeHandle);
}
/// <summary>
/// Constructor.
/// </summary>
public NodeContext(int nodeId, Process process,
Stream nodePipe,
INodePacketFactory factory, NodeContextTerminateDelegate terminateDelegate)
{
_nodeId = nodeId;
_process = process;
_clientToServerStream = nodePipe;
_serverToClientStream = nodePipe;
_packetFactory = factory;
_headerByte = new byte[5]; // 1 for the packet type, 4 for the body length
_readBufferMemoryStream = new MemoryStream();
_writeBufferMemoryStream = new MemoryStream();
_terminateDelegate = terminateDelegate;
_sharedReadBuffer = InterningBinaryReader.CreateSharedBuffer();
}
/// <summary>
/// Constructs a serializer from the specified stream, operating in the designated mode.
/// </summary>
public NodePacketReadTranslator(Stream packetStream, SharedReadBuffer buffer)
{
_packetStream = packetStream;
_reader = InterningBinaryReader.Create(packetStream, buffer);
}
