internal static PnrpPeerResolver.UnsafePnrpNativeMethods.WsaQuerySet MarshalWsaQuerySetNativeToWsaQuerySet(IntPtr pNativeData, uint scopeId)
{
if (pNativeData == IntPtr.Zero)
{
return null;
}
PnrpPeerResolver.UnsafePnrpNativeMethods.WsaQuerySet set = new PnrpPeerResolver.UnsafePnrpNativeMethods.WsaQuerySet();
PnrpPeerResolver.UnsafePnrpNativeMethods.WsaQuerySetNative native = (PnrpPeerResolver.UnsafePnrpNativeMethods.WsaQuerySetNative) Marshal.PtrToStructure(pNativeData, typeof(PnrpPeerResolver.UnsafePnrpNativeMethods.WsaQuerySetNative));
int num = Marshal.SizeOf(typeof(PnrpPeerResolver.UnsafePnrpNativeMethods.CsAddrInfoNative));
set.Context = Marshal.PtrToStringUni(native.lpszContext);
set.NameSpace = native.dwNameSpace;
set.ServiceInstanceName = Marshal.PtrToStringUni(native.lpszServiceInstanceName);
set.Comment = Marshal.PtrToStringUni(native.lpszComment);
set.CsAddrInfos = new PnrpPeerResolver.UnsafePnrpNativeMethods.CsAddrInfo[native.dwNumberOfCsAddrs];
for (int i = 0; i < native.dwNumberOfCsAddrs; i++)
{
IntPtr ptr = (IntPtr) (native.lpcsaBuffer.ToInt64() + (i * num));
PnrpPeerResolver.UnsafePnrpNativeMethods.CsAddrInfoNative native2 = (PnrpPeerResolver.UnsafePnrpNativeMethods.CsAddrInfoNative) Marshal.PtrToStructure(ptr, typeof(PnrpPeerResolver.UnsafePnrpNativeMethods.CsAddrInfoNative));
set.CsAddrInfos[i].iProtocol = native2.iProtocol;
set.CsAddrInfos[i].iSocketType = native2.iSocketType;
set.CsAddrInfos[i].LocalAddr = IPEndPointFromSocketAddress(native2.LocalAddr, scopeId);
set.CsAddrInfos[i].RemoteAddr = IPEndPointFromSocketAddress(native2.RemoteAddr, scopeId);
}
if (native.lpNSProviderId != IntPtr.Zero)
{
set.NSProviderId = (Guid) Marshal.PtrToStructure(native.lpNSProviderId, typeof(Guid));
}
if (native.lpServiceClassId != IntPtr.Zero)
{
set.ServiceClassId = (Guid) Marshal.PtrToStructure(native.lpServiceClassId, typeof(Guid));
}
if (set.NameSpace == PnrpPeerResolver.UnsafePnrpNativeMethods.NspNamespaces.Cloud)
{
if (native.lpBlob != IntPtr.Zero)
{
set.Blob = new PnrpPeerResolver.UnsafePnrpNativeMethods.PnrpCloudInfo();
PnrpPeerResolver.UnsafePnrpNativeMethods.BlobNative native3 = (PnrpPeerResolver.UnsafePnrpNativeMethods.BlobNative) Marshal.PtrToStructure(native.lpBlob, typeof(PnrpPeerResolver.UnsafePnrpNativeMethods.BlobNative));
if (native3.pBlobData != IntPtr.Zero)
{
set.Blob = (PnrpPeerResolver.UnsafePnrpNativeMethods.PnrpCloudInfo) Marshal.PtrToStructure(native3.pBlobData, typeof(PnrpPeerResolver.UnsafePnrpNativeMethods.PnrpCloudInfo));
}
}
return set;
}
if ((set.NameSpace == PnrpPeerResolver.UnsafePnrpNativeMethods.NspNamespaces.Name) && (native.lpBlob != IntPtr.Zero))
{
set.Blob = new PnrpPeerResolver.UnsafePnrpNativeMethods.PnrpInfo();
PnrpPeerResolver.UnsafePnrpNativeMethods.BlobSafe safe = (PnrpPeerResolver.UnsafePnrpNativeMethods.BlobSafe) Marshal.PtrToStructure(native.lpBlob, typeof(PnrpPeerResolver.UnsafePnrpNativeMethods.BlobSafe));
if (safe.pBlobData != IntPtr.Zero)
{
PnrpPeerResolver.UnsafePnrpNativeMethods.PnrpInfo info = (PnrpPeerResolver.UnsafePnrpNativeMethods.PnrpInfo) Marshal.PtrToStructure((IntPtr) safe.pBlobData, typeof(PnrpPeerResolver.UnsafePnrpNativeMethods.PnrpInfo));
set.Blob = info;
}
}
return set;
}
public void SyncEnumeration(object state)
{
PnrpPeerResolver.UnsafePnrpNativeMethods.CriticalLookupHandle handle;
int num = 0;
PnrpPeerResolver.UnsafePnrpNativeMethods.WsaQuerySetSafe safeQuerySet = PnrpPeerResolver.UnsafePnrpNativeMethods.WsaQuerySet.ToWsaQuerySetSafe(this.resolveQuery);
using (safeQuerySet)
{
num = PnrpPeerResolver.UnsafePnrpNativeMethods.WSALookupServiceBegin(PnrpPeerResolver.UnsafePnrpNativeMethods.CriticalAllocHandleWsaQuerySetSafe.FromWsaQuerySetSafe(safeQuerySet), PnrpPeerResolver.UnsafePnrpNativeMethods.WsaNspControlFlags.ReturnAll, out handle);
}
if (num != 0)
{
this.lastException = new PnrpPeerResolver.PnrpException(PnrpPeerResolver.UnsafePnrpNativeMethods.WSAGetLastError(), this.resolveQuery.Context);
Utility.CloseInvalidOutCriticalHandle(handle);
base.Complete(false, this.lastException);
}
else
{
PnrpPeerResolver.UnsafePnrpNativeMethods.WsaQuerySet set = new PnrpPeerResolver.UnsafePnrpNativeMethods.WsaQuerySet();
int size = Marshal.SizeOf(typeof(PnrpPeerResolver.UnsafePnrpNativeMethods.WsaQuerySetSafe)) + 400;
CriticalAllocHandle handle3 = CriticalAllocHandle.FromSize(size);
try
{
using (handle)
{
Label_0090:
if (this.timeoutHelper.RemainingTime() != TimeSpan.Zero)
{
if (PnrpPeerResolver.UnsafePnrpNativeMethods.WSALookupServiceNext(handle, 0, ref size, (IntPtr) handle3) != 0)
{
int errorCode = PnrpPeerResolver.UnsafePnrpNativeMethods.WSAGetLastError();
switch (errorCode)
{
case 0x2776:
case 0x277e:
return;
case 0x271e:
handle3 = CriticalAllocHandle.FromSize(size);
goto Label_0090;
}
PeerExceptionHelper.ThrowPnrpError(errorCode, set.Context);
goto Label_0090;
}
if (handle3 == IntPtr.Zero)
{
goto Label_0090;
}
set = MarshalWsaQuerySetNativeToWsaQuerySet((IntPtr) handle3, this.scopeId);
PnrpPeerResolver.PnrpRegistration item = new PnrpPeerResolver.PnrpRegistration {
CloudName = set.Context,
Comment = set.Comment,
PeerName = set.ServiceInstanceName,
Addresses = new IPEndPoint[set.CsAddrInfos.Length]
};
for (int i = 0; i < set.CsAddrInfos.Length; i++)
{
item.Addresses[i] = set.CsAddrInfos[i].LocalAddr;
}
lock (this.results)
{
this.results.Add(item);
goto Label_0090;
}
}
}
}
catch (Exception exception)
{
if (Fx.IsFatal(exception))
{
throw;
}
DiagnosticUtility.ExceptionUtility.TraceHandledException(exception, TraceEventType.Information);
if (DiagnosticUtility.ShouldTraceInformation)
{
PnrpResolveExceptionTraceRecord extendedData = new PnrpResolveExceptionTraceRecord(this.resolveQuery.ServiceInstanceName, this.resolveQuery.Context, exception);
if (DiagnosticUtility.ShouldTraceError)
{
TraceUtility.TraceEvent(TraceEventType.Error, 0x4004b, System.ServiceModel.SR.GetString("TraceCodePnrpResolveException"), extendedData, this, null);
}
}
this.lastException = exception;
}
finally
{
base.Complete(false, this.lastException);
}
}
}
public PeerNameResolver(string peerName, int numberOfResultsRequested, PnrpPeerResolver.UnsafePnrpNativeMethods.PnrpResolveCriteria resolveCriteria, uint scopeId, string cloudName, TimeSpan timeout, List<PnrpPeerResolver.PnrpRegistration> results) : base(null, null)
{
if (timeout > PnrpPeerResolver.MaxTimeout)
{
timeout = PnrpPeerResolver.MaxTimeout;
}
this.timeoutHelper = new TimeoutHelper(timeout);
PnrpPeerResolver.UnsafePnrpNativeMethods.PnrpInfo info = new PnrpPeerResolver.UnsafePnrpNativeMethods.PnrpInfo {
dwSize = Marshal.SizeOf(typeof(PnrpPeerResolver.UnsafePnrpNativeMethods.PnrpInfo)),
nMaxResolve = numberOfResultsRequested,
dwTimeout = (int) timeout.TotalSeconds,
dwLifetime = 0,
enNameState = (PnrpPeerResolver.UnsafePnrpNativeMethods.PnrpRegisteredIdState) 0,
lpwszIdentity = null,
dwFlags = 1
};
IPEndPoint hint = PnrpPeerResolver.GetHint();
info.enResolveCriteria = resolveCriteria;
info.saHint = PnrpPeerResolver.UnsafePnrpNativeMethods.SOCKET_ADDRESS_SAFE.SocketAddressFromIPEndPoint(hint);
this.resolveQuery = new PnrpPeerResolver.UnsafePnrpNativeMethods.WsaQuerySet();
this.resolveQuery.ServiceInstanceName = peerName;
this.resolveQuery.ServiceClassId = PnrpPeerResolver.UnsafePnrpNativeMethods.SvcIdNameV1;
this.resolveQuery.NameSpace = PnrpPeerResolver.UnsafePnrpNativeMethods.NspNamespaces.Name;
this.resolveQuery.NSProviderId = PnrpPeerResolver.UnsafePnrpNativeMethods.NsProviderName;
this.resolveQuery.Context = cloudName;
this.resolveQuery.Blob = info;
this.results = results;
this.scopeId = scopeId;
ActionItem.Schedule(new Action<object>(this.SyncEnumeration), null);
}
public void Unregister(string peerName, string cloudName, TimeSpan timeout)
{
PnrpPeerResolver.UnsafePnrpNativeMethods.PnrpInfo info = new PnrpPeerResolver.UnsafePnrpNativeMethods.PnrpInfo {
lpwszIdentity = null,
dwSize = Marshal.SizeOf(typeof(PnrpPeerResolver.UnsafePnrpNativeMethods.PnrpInfo))
};
PnrpPeerResolver.UnsafePnrpNativeMethods.WsaQuerySet registerQuery = new PnrpPeerResolver.UnsafePnrpNativeMethods.WsaQuerySet {
NameSpace = PnrpPeerResolver.UnsafePnrpNativeMethods.NspNamespaces.Name,
NSProviderId = PnrpPeerResolver.UnsafePnrpNativeMethods.NsProviderName,
ServiceClassId = PnrpPeerResolver.UnsafePnrpNativeMethods.SvcIdNameV1,
ServiceInstanceName = peerName,
Context = cloudName,
Blob = info
};
this.DeleteService(registerQuery);
}
public void Register(PnrpPeerResolver.PnrpRegistration registration, TimeSpan timeout)
{
PnrpPeerResolver.UnsafePnrpNativeMethods.PnrpInfo info;
info = new PnrpPeerResolver.UnsafePnrpNativeMethods.PnrpInfo {
dwLifetime = 0xe10,
lpwszIdentity = null,
dwSize = Marshal.SizeOf(info),
dwFlags = 1
};
IPEndPoint hint = PnrpPeerResolver.GetHint();
info.saHint = PnrpPeerResolver.UnsafePnrpNativeMethods.SOCKET_ADDRESS_SAFE.SocketAddressFromIPEndPoint(hint);
PnrpPeerResolver.UnsafePnrpNativeMethods.WsaQuerySet registerQuery = new PnrpPeerResolver.UnsafePnrpNativeMethods.WsaQuerySet {
NameSpace = PnrpPeerResolver.UnsafePnrpNativeMethods.NspNamespaces.Name,
NSProviderId = PnrpPeerResolver.UnsafePnrpNativeMethods.NsProviderName,
ServiceClassId = PnrpPeerResolver.UnsafePnrpNativeMethods.SvcIdNameV1,
ServiceInstanceName = registration.PeerName,
Comment = registration.Comment,
Context = registration.CloudName
};
if (registration.Addresses != null)
{
registerQuery.CsAddrInfos = new PnrpPeerResolver.UnsafePnrpNativeMethods.CsAddrInfo[registration.Addresses.Length];
for (int i = 0; i < registration.Addresses.Length; i++)
{
registerQuery.CsAddrInfos[i].LocalAddr = registration.Addresses[i];
registerQuery.CsAddrInfos[i].iProtocol = 6;
registerQuery.CsAddrInfos[i].iSocketType = 1;
}
}
registerQuery.Blob = info;
this.RegisterService(registerQuery);
}
public static PnrpPeerResolver.UnsafePnrpNativeMethods.CloudInfo[] GetClouds()
{
PnrpPeerResolver.UnsafePnrpNativeMethods.CriticalLookupHandle handle;
int num = 0;
ArrayList list = new ArrayList();
PnrpPeerResolver.UnsafePnrpNativeMethods.WsaQuerySet input = new PnrpPeerResolver.UnsafePnrpNativeMethods.WsaQuerySet();
PnrpPeerResolver.UnsafePnrpNativeMethods.PnrpCloudInfo info = new PnrpPeerResolver.UnsafePnrpNativeMethods.PnrpCloudInfo {
dwSize = Marshal.SizeOf(typeof(PnrpPeerResolver.UnsafePnrpNativeMethods.PnrpCloudInfo))
};
info.Cloud.Scope = PnrpPeerResolver.UnsafePnrpNativeMethods.PnrpScope.Any;
info.dwCloudState = PnrpPeerResolver.UnsafePnrpNativeMethods.PnrpCloudState.Virtual;
info.Flags = PnrpPeerResolver.UnsafePnrpNativeMethods.PnrpCloudFlags.None;
input.NameSpace = PnrpPeerResolver.UnsafePnrpNativeMethods.NspNamespaces.Cloud;
input.NSProviderId = PnrpPeerResolver.UnsafePnrpNativeMethods.NsProviderCloud;
input.ServiceClassId = PnrpPeerResolver.UnsafePnrpNativeMethods.SvcIdCloud;
input.Blob = info;
PnrpPeerResolver.UnsafePnrpNativeMethods.WsaQuerySetSafe safeQuerySet = PnrpPeerResolver.UnsafePnrpNativeMethods.WsaQuerySet.ToWsaQuerySetSafe(input);
using (safeQuerySet)
{
num = PnrpPeerResolver.UnsafePnrpNativeMethods.WSALookupServiceBegin(PnrpPeerResolver.UnsafePnrpNativeMethods.CriticalAllocHandleWsaQuerySetSafe.FromWsaQuerySetSafe(safeQuerySet), PnrpPeerResolver.UnsafePnrpNativeMethods.WsaNspControlFlags.ReturnAll, out handle);
}
if (num != 0)
{
SocketException exception = new SocketException(PnrpPeerResolver.UnsafePnrpNativeMethods.WSAGetLastError());
Utility.CloseInvalidOutCriticalHandle(handle);
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(exception);
}
int size = Marshal.SizeOf(typeof(PnrpPeerResolver.UnsafePnrpNativeMethods.WsaQuerySetSafe)) + 200;
CriticalAllocHandle handle3 = CriticalAllocHandle.FromSize(size);
using (handle)
{
while (true)
{
while (PnrpPeerResolver.UnsafePnrpNativeMethods.WSALookupServiceNext(handle, 0, ref size, (IntPtr) handle3) != 0)
{
int errorCode = PnrpPeerResolver.UnsafePnrpNativeMethods.WSAGetLastError();
switch (errorCode)
{
case 0x2776:
case 0x277e:
goto Label_01F5;
}
if (errorCode != 0x271e)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new SocketException(errorCode));
}
if (handle3 != null)
{
handle3.Dispose();
handle3 = null;
}
handle3 = CriticalAllocHandle.FromSize(size);
}
if (handle3 != IntPtr.Zero)
{
PnrpPeerResolver.UnsafePnrpNativeMethods.WsaQuerySet set2 = PnrpPeerResolver.UnsafePnrpNativeMethods.PeerNameResolver.MarshalWsaQuerySetNativeToWsaQuerySet((IntPtr) handle3, 0);
PnrpPeerResolver.UnsafePnrpNativeMethods.CloudInfo info2 = new PnrpPeerResolver.UnsafePnrpNativeMethods.CloudInfo();
PnrpPeerResolver.UnsafePnrpNativeMethods.PnrpCloudInfo blob = (PnrpPeerResolver.UnsafePnrpNativeMethods.PnrpCloudInfo) set2.Blob;
info2.Name = set2.ServiceInstanceName;
info2.Scope = blob.Cloud.Scope;
info2.ScopeId = blob.Cloud.ScopeId;
info2.State = blob.dwCloudState;
info2.Flags = blob.Flags;
list.Add(info2);
}
}
}
Label_01F5:
return (PnrpPeerResolver.UnsafePnrpNativeMethods.CloudInfo[]) list.ToArray(typeof(PnrpPeerResolver.UnsafePnrpNativeMethods.CloudInfo));
}
public bool IsPnrpAvailable(TimeSpan waitForService)
{
if (!this.IsPnrpInstalled())
{
return false;
}
if (!this.IsPnrpServiceRunning(waitForService))
{
return false;
}
PnrpPeerResolver.UnsafePnrpNativeMethods.WsaQuerySet registerQuery = new PnrpPeerResolver.UnsafePnrpNativeMethods.WsaQuerySet {
NSProviderId = PnrpPeerResolver.UnsafePnrpNativeMethods.NsProviderName,
ServiceClassId = PnrpPeerResolver.UnsafePnrpNativeMethods.SvcIdNameV1
};
int num = this.InvokeService(registerQuery, PnrpPeerResolver.UnsafePnrpNativeMethods.WsaSetServiceOp.Register, 0);
if ((num != 0x2726) && (num != 0x2afc))
{
return false;
}
return true;
}
