/// <summary>
/// Overridden ProcessRecord method.
/// </summary>
protected override void ProcessRecord()
{
if (Objects == null || Objects.Length == 0)
{
throw new ArgumentException("Must specify at least one object to wait on.");
}
NtWaitTimeout timeout = null;
if (Infinite)
{
timeout = NtWaitTimeout.Infinite;
}
else
{
long total_timeout = MilliSeconds + ((((Hours * 60L) + Minutes) * 60L) + Seconds) * 1000L;
if (total_timeout < 0)
{
throw new ArgumentException("Total timeout can't be negative.");
}
timeout = NtWaitTimeout.FromMilliseconds(total_timeout);
}
if (Objects.Length == 1)
{
WriteObject(Objects[0].Wait(Alertable, timeout));
}
else
{
WriteObject(NtWait.Wait(Objects, Alertable, WaitAll, timeout));
}
}
/// <summary>
/// Process record.
/// </summary>
protected override void ProcessRecord()
{
NtWaitTimeout timeout = TimeoutMs.HasValue
? NtWaitTimeout.FromMilliseconds(TimeoutMs.Value) : NtWaitTimeout.Infinite;
var msg = Port.Receive(Flags, ReceiveLength, ReceiveAttributes, timeout);
WriteObject(msg);
}
private AlpcMessage Send(AlpcMessage msg)
{
NtWaitTimeout timeout = TimeoutMs.HasValue
? NtWaitTimeout.FromMilliseconds(TimeoutMs.Value) : NtWaitTimeout.Infinite;
var recv_message = CreateReceiveMessage();
Port.SendReceive(Flags, msg, SendAttributes, recv_message, recv_message != null ? ReceiveAttributes : null, timeout);
return(recv_message);
}
/// <summary>
/// Get the NtWaitTimeout object.
/// </summary>
/// <returns>The NtWaitTime object.</returns>
protected NtWaitTimeout GetTimeout()
{
if (Infinite)
{
return NtWaitTimeout.Infinite;
}
long total_timeout = MilliSeconds + ((((Hours * 60L) + Minutes) * 60L) + Seconds) * 1000L;
if (total_timeout < 0)
{
throw new ArgumentException("Total timeout can't be negative.");
}
return NtWaitTimeout.FromMilliseconds(total_timeout);
}
/// <summary>
/// Method to create an object from a set of object attributes.
/// </summary>
/// <param name="obj_attributes">The object attributes to create/open from.</param>
/// <returns>The newly created object.</returns>
protected override object CreateObject(ObjectAttributes obj_attributes)
{
return(NtFile.CreateNamedPipe(obj_attributes, Access, ShareMode, Options, FileDisposition.Open, NamedPipeType.Bytestream,
NamedPipeReadMode.ByteStream, NamedPipeCompletionMode.CompleteOperation, 0, 0, 0, NtWaitTimeout.FromMilliseconds(0)));
}
private static NtResult <NtFile> OpenFile(string name, FileAccessRights desired_access, bool open_server)
{
using (ObjectAttributes obja = new ObjectAttributes(NamedPipeBasePath + name,
AttributeFlags.CaseInsensitive, null))
{
if (open_server)
{
return(NtFile.CreateNamedPipe(obja, desired_access | FileAccessRights.Synchronize,
FileShareMode.Read | FileShareMode.Write, FileOpenOptions.SynchronousIoNonAlert,
FileDisposition.Open, NamedPipeType.Bytestream, NamedPipeReadMode.ByteStream,
NamedPipeCompletionMode.CompleteOperation, 0, 0, 0, NtWaitTimeout.FromMilliseconds(0), false).Cast <NtFile>());
}
else
{
return(NtFile.Open(obja, desired_access,
FileShareMode.Read | FileShareMode.Write, FileOpenOptions.None, false));
}
}
}
/// <summary>
/// Method to create an object from a set of object attributes.
/// </summary>
/// <param name="obj_attributes">The object attributes to create/open from.</param>
/// <returns>The newly created object.</returns>
protected override object CreateObject(ObjectAttributes obj_attributes)
{
return(NtFile.CreateNamedPipe(obj_attributes, Access, ShareMode, Options, Disposition, PipeType,
ReadMode, CompletionMode, UnlimitedInstances ? -1 : MaximumInstances, InputQuota, OutputQuota, NtWaitTimeout.FromMilliseconds(DefaultTimeoutMs)));
}
