/// <summary> /// The static member returns the list of clouds /// </summary> /// <returns></returns> // <SecurityKernel Critical="True" Ring="1"> // <ReferencesCritical Name="Method: GetCloudOrClouds(String, Boolean, CloudCollection&, Cloud&):Void" Ring="1" /> // </SecurityKernel> //[System.Security.SecurityCritical] public static CloudCollection GetAvailableClouds() { CloudCollection clouds = null; Cloud dummy = null; GetCloudOrClouds(null, false, out clouds, out dummy); return(clouds); }
// <SecurityKernel Critical="True" Ring="1"> // <ReferencesCritical Name="Method: GetCloudOrClouds(String, Boolean, CloudCollection&, Cloud&):Void" Ring="1" /> // </SecurityKernel> //[System.Security.SecurityCritical] public static Cloud GetCloudByName(string cloudName) { if (cloudName == null || cloudName.Length == 0) { throw new ArgumentException(SR.GetString(SR.Pnrp_CloudNameCantBeNull), "cloudName"); } CloudCollection dummy = null; Cloud cloud = null; GetCloudOrClouds(cloudName, false, out dummy, out cloud); return(cloud); }
private static void GetCloudOrClouds(string cloudName, bool bGlobalCloudOnly, out CloudCollection clouds, out Cloud cloud) { cloud = null; clouds = null; Logging.Enter(Logging.P2PTraceSource, "Cloud::GetCloudOrClouds()"); //------------------------------------------------- //Demand for the Unrestricted Pnrp Permission //------------------------------------------------- PnrpPermission.UnrestrictedPnrpPermission.Demand(); Int32 result = 0; UInt32 numClouds = 0; SafePeerData ArrayOfCloudInfoStructures = null; if (cloudName == null) { //----------------------------------------- //We need the collection only when we are not //getting a specific cloud //----------------------------------------- clouds = new CloudCollection(); } try { //--------------------------------------------------------------- //No perf hit here, real native call happens only one time if it //did not already happen //--------------------------------------------------------------- UnsafeP2PNativeMethods.PnrpStartup(); result = UnsafeP2PNativeMethods.PeerPnrpGetCloudInfo(out numClouds, out ArrayOfCloudInfoStructures); if (result != 0) { throw PeerToPeerException.CreateFromHr(SR.GetString(SR.Pnrp_CouldNotEnumerateClouds), result); } if (numClouds != 0) { Logging.P2PTraceSource.TraceEvent(TraceEventType.Information, 0, "Number of clouds returned {0}", numClouds); IntPtr pPEER_PNRP_CLOUD_INFO = ArrayOfCloudInfoStructures.DangerousGetHandle(); for (ulong i = 0; i < numClouds; i++) { PEER_PNRP_CLOUD_INFO cloudinfo = (PEER_PNRP_CLOUD_INFO)Marshal.PtrToStructure(pPEER_PNRP_CLOUD_INFO, typeof(PEER_PNRP_CLOUD_INFO)); string nativeCloudName = Marshal.PtrToStringUni(cloudinfo.pwzCloudName); pPEER_PNRP_CLOUD_INFO = (IntPtr)((long)pPEER_PNRP_CLOUD_INFO + Marshal.SizeOf(typeof(PEER_PNRP_CLOUD_INFO))); Cloud c = new Cloud(nativeCloudName, (PnrpScope)((int)cloudinfo.dwScope), (int)cloudinfo.dwScopeId); if (cloudName == null && !bGlobalCloudOnly) { clouds.Add(c); continue; } //If a specific cloud by name is required, then test for name //note that scope is PnrpScope.All but we don't test that now if (cloudName != null && cloudName == nativeCloudName) { cloud = c; break; } if (bGlobalCloudOnly && c.Scope == PnrpScope.Global) { cloud = c; break; } } } else { Logging.P2PTraceSource.TraceEvent(TraceEventType.Warning, 0, "No Clouds returned from the native call"); } } finally { if (ArrayOfCloudInfoStructures != null) { ArrayOfCloudInfoStructures.Dispose(); } } if (cloudName != null && cloud == null) { Logging.P2PTraceSource.TraceEvent(TraceEventType.Information, 0, "The specific cloud name {0} asked for is not found", cloudName); } Logging.Leave(Logging.P2PTraceSource, "Cloud::GetCloudOrClouds()"); }