Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / cdf / src / WCF / Tools / WSATConfig / Configuration / RemoteHelper.cs / 1305376 / RemoteHelper.cs
//------------------------------------------------------------------------------ // Copyright (c) Microsoft Corporation. All rights reserved. //----------------------------------------------------------------------------- namespace Microsoft.Tools.ServiceModel.WsatConfig { using System; using System.Collections; using System.Collections.Generic; using System.Management; using System.Threading; using System.IO; using System.Runtime.InteropServices; class RemoteHelper { // the name of the remote machine on which the commands are executed string machineName; // the class that represnets the WMI Win32_Process ManagementClass processClass; ManagementScope managementScope; const int autoEventTimeout = 90000; // 90 secs const int delayInAutoEventTimeout = 400; // 400 milliseconds internal RemoteHelper(string machineName) { this.machineName = machineName; // establish connection ConnectionOptions co = new ConnectionOptions(); co.Authentication = AuthenticationLevel.PacketPrivacy; co.Impersonation = ImpersonationLevel.Impersonate; // define the management scope managementScope = new ManagementScope("\\\\" + machineName + "\\root\\cimv2", co); // define the path used ManagementPath path = new ManagementPath("Win32_Process"); ObjectGetOptions options = new ObjectGetOptions(new ManagementNamedValueCollection(), TimeSpan.FromSeconds(15), false); // get the object for the defined path in the defined scope // this object will be the object on which the InvokeMethod will be called processClass = new ManagementClass(managementScope, path, options); } const string MethodCreate = "Create"; const string QueryProcessExitEvent = "SELECT * FROM Win32_ProcessStopTrace"; static class InputParameters { public const string CommandLine = "CommandLine"; } static class OutputParameters { public const string ProcessId = "ProcessID"; public const string ReturnValue = "ReturnValue"; } internal void ExecuteWsatProcess(string arguments) { ProcessStopTraceHandler handler; Utilities.Log("ExecuteWsatProcess(" + arguments + ")"); try { ManagementBaseObject inParams = processClass.GetMethodParameters(MethodCreate); inParams[InputParameters.CommandLine] = GetDeploymentPath() + " " + arguments; WqlEventQuery wqlEventQuery = new WqlEventQuery(QueryProcessExitEvent); ManagementEventWatcher watcher = new ManagementEventWatcher(managementScope, wqlEventQuery); handler = new ProcessStopTraceHandler(); watcher.EventArrived += new EventArrivedEventHandler(handler.Arrived); watcher.Start(); ManagementBaseObject outParams = processClass.InvokeMethod( MethodCreate, inParams, null); if (outParams.Properties[OutputParameters.ProcessId].Value == null || outParams.Properties[OutputParameters.ReturnValue].Value == null) { throw new WsatAdminException(WsatAdminErrorCode.REMOTE_MISSING_WSAT, SR.GetString(SR.ErrorRemoteWSATMissing)); } // the process ID when executing a remote command uint processID = (uint)outParams.Properties[OutputParameters.ProcessId].Value; uint result = (uint)outParams.Properties[OutputParameters.ReturnValue].Value; if (result != 0) { throw new WsatAdminException(WsatAdminErrorCode.REMOTE_MISSING_WSAT, SR.GetString(SR.ErrorRemoteWSATMissing)); } handler.ProcessId = processID; int totalDelay = 0; while (!handler.IsArrived && totalDelay < autoEventTimeout) { totalDelay += delayInAutoEventTimeout; System.Threading.Thread.Sleep(delayInAutoEventTimeout); } watcher.Stop(); } catch (WsatAdminException) { throw; } #pragma warning suppress 56500 catch (Exception e) { if (Utilities.IsCriticalException(e)) { throw; } throw new WsatAdminException(WsatAdminErrorCode.REMOTE_EXECUTION_ATTEMPT_ERROR, SR.GetString(SR.ErrorAttemptRemoteExecution, e.Message)); } if (handler.IsArrived && handler.ReturnCode != 0) { throw new WsatAdminException((WsatAdminErrorCode)handler.ReturnCode, SR.GetString(SR.ErrorRemoteExecution, handler.ReturnCode)); } else if (!handler.IsArrived) { throw new WsatAdminException(WsatAdminErrorCode.REMOTE_TIMEOUT, SR.GetString(SR.ErrorRemoteTimeout)); } Utilities.Log("ExecuteWSATProcess successfully quitted."); } internal string GetDeploymentPath() { string path = null; try { //We first check if the 4.0 install path was available. RegistryConfigurationProvider reg = new RegistryConfigurationProvider(Microsoft.Win32.RegistryHive.LocalMachine, WsatKeys.WcfSetupKey40, machineName); path = reg.ReadString(WsatKeys.RuntimeInstallPath, null); if (string.IsNullOrEmpty(path)) { //If path under 4.0 doesnt exit, check under 3.0 RegistryConfigurationProvider reg2 = new RegistryConfigurationProvider(Microsoft.Win32.RegistryHive.LocalMachine, WsatKeys.WcfSetupKey, machineName); path = reg2.ReadString(WsatKeys.RuntimeInstallPath, null); if(string.IsNullOrEmpty(path)) { throw new WsatAdminException(WsatAdminErrorCode.CANNOT_GET_REMOTE_INSTALL_PATH, SR.GetString(SR.ErrorCannotGetRemoteInstallPath)); } } path = Path.Combine(path, "WsatConfig.exe"); } catch (WsatAdminException e) { throw new WsatAdminException(WsatAdminErrorCode.CANNOT_GET_REMOTE_INSTALL_PATH, SR.GetString(SR.ErrorCannotGetRemoteInstallPath), e); } catch (ArgumentException e) // if the path in the remote registry is invalid... { throw new WsatAdminException(WsatAdminErrorCode.CANNOT_GET_REMOTE_INSTALL_PATH, SR.GetString(SR.ErrorCannotGetRemoteInstallPath), e); } return path; } } class ProcessStopTraceHandler { bool isArrived = false; uint processID = 0; uint returnCode; DictionaryprocessesExited = new Dictionary (); public uint ProcessId { get { return processID; } set { processID = value; if (value > 0) { lock (processesExited) { uint exitCode = 0; if (processesExited.TryGetValue(value, out exitCode)) { isArrived = true; returnCode = exitCode; } } } } } //Handles the event when it arrives internal void Arrived(object sender, EventArrivedEventArgs e) { uint procID = (uint)e.NewEvent.Properties["ProcessID"].Value; uint exitCode = (uint)e.NewEvent.Properties["ExitStatus"].Value; if (ProcessId == 0) { lock (processesExited) { processesExited[procID] = exitCode; } } else if (procID == this.ProcessId) { this.returnCode = exitCode; isArrived = true; } } //Used to determine whether the event has arrived or not. internal bool IsArrived { get { return isArrived; } } internal uint ReturnCode { get { return returnCode; } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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