Windows Mobile连接网络

using System; using System.Collections.Generic; using System.Text; using System.Runtime.InteropServices; using System.Threading; using System.Collections; namespace DATest { public class ConnectManager { const int S_OK = 0; const uint CONNMGR_PARAM_GUIDDESTNET = 0x1; const uint CONNMGR_PRIORITY_USERINTERACTIVE = 0x08000; const uint INFINITE = 0xffffffff; public const uint CONNMGR_STATUS_CONNECTED = 0x10; const int CONNMGR_MAX_DESC = 128; // @constdefine Max size of a network description const int CONNMGR_FLAG_PROXY_HTTP = 0x1; // @constdefine HTTP Proxy supported const int CONNMGR_FLAG_PROXY_WAP = 0x2; // @constdefine WAP Proxy (gateway) supported const int CONNMGR_FLAG_PROXY_SOCKS4 = 0x4; // @constdefine SOCKS4 Proxy supported const int CONNMGR_FLAG_PROXY_SOCKS5 = 0x8; // @constdefine SOCKS5 Proxy supported const UInt16 IDC_WAIT = 32514; const UInt16 IDC_ARROW = 32512; private IntPtr m_hConnection = IntPtr.Zero; public ConnectManager() { } ~ConnectManager() { ReleaseConnection(); } /// <summary> /// 查看连接是否可用 /// </summary> /// <returns></returns> public bool GetConnMgrAvailable() { IntPtr hConnMgr = ConnMgrApiReadyEvent(); bool bAvailbale = false; uint dwResult = WaitForSingleObject ( hConnMgr, 2000 ); if (dwResult == 0) { bAvailbale = true; } // 关闭 if (hConnMgr.ToInt32() != 0) CloseHandle(hConnMgr); return bAvailbale; } //// <summary> /// 映射URL /// </summary> /// <param name="lpszURL"></param> /// <param name="guidNetworkObject"></param> /// <param name="pcsDesc"></param> /// <returns></returns> public int MapURLAndGUID(string lpszURL, ref GUID guidNetworkObject, ref string pcsDesc) { if (lpszURL == null || lpszURL.Length < 1) return 0; uint nIndex = 0; int hResult = ConnMgrMapURL(lpszURL,ref guidNetworkObject, ref nIndex); if (hResult < 0) { throw new Exception("Could not map a request to a network identifier"); } else { if (pcsDesc != null) { CONNMGR_DESTINATION_INFO DestInfo = new CONNMGR_DESTINATION_INFO(); if (ConnMgrEnumDestinations((int)nIndex, ref DestInfo) >= 0) { pcsDesc = DestInfo.szDescription; } } } return (int)nIndex; } /// <summary> /// 枚举网络标识符信息 /// </summary> /// <param name="lstNetIdentifiers"></param> public List<CONNMGR_DESTINATION_INFO> EnumNetIdentifier() { List<CONNMGR_DESTINATION_INFO> lstNetIdentifiers = new List<CONNMGR_DESTINATION_INFO>(); // 得到网络列表 for (uint dwEnumIndex = 0; ; dwEnumIndex++) { CONNMGR_DESTINATION_INFO networkDestInfo = new CONNMGR_DESTINATION_INFO(); if (ConnMgrEnumDestinations((int)dwEnumIndex,ref networkDestInfo) != 0) { break; } lstNetIdentifiers.Add(networkDestInfo); } return lstNetIdentifiers; } /// <summary> /// 建立连接 /// </summary> /// <param name="nIndex"></param> /// <returns></returns> public bool EstablishConnection(uint nIndex, uint dwStatus) { ReleaseConnection(); // 得到正确的连接信息 CONNMGR_DESTINATION_INFO DestInfo = new CONNMGR_DESTINATION_INFO(); int hResult = ConnMgrEnumDestinations((int)nIndex, ref DestInfo); if (hResult >= 0) { // 初始化连接结构 CONNMGR_CONNECTIONINFO ConnInfo = new CONNMGR_CONNECTIONINFO(); ConnInfo.cbSize = (uint)Marshal.SizeOf(ConnInfo); ConnInfo.dwParams = CONNMGR_PARAM_GUIDDESTNET; ConnInfo.dwFlags = CONNMGR_FLAG_PROXY_HTTP | CONNMGR_FLAG_PROXY_WAP | CONNMGR_FLAG_PROXY_SOCKS4 | CONNMGR_FLAG_PROXY_SOCKS5; ConnInfo.dwPriority = CONNMGR_PRIORITY_USERINTERACTIVE; ConnInfo.guidDestNet = DestInfo.guid; ConnInfo.bExclusive = 0; ConnInfo.bDisabled = 0; //uint dwStatus = 0; hResult = ConnMgrEstablishConnectionSync(ref ConnInfo, ref m_hConnection, 15 * 1000, ref dwStatus); if (hResult < 0) { return false; } else { return true; } } return false; } /**//// <summary> /// 建立连接 /// </summary> /// <param name="nIndex"></param> /// <returns></returns> public bool EstablishConnection(GUID guid, uint dwStatus) { ReleaseConnection(); // 得到正确的连接信息 // 初始化连接结构 CONNMGR_CONNECTIONINFO ConnInfo = new CONNMGR_CONNECTIONINFO(); ConnInfo.cbSize = (uint)Marshal.SizeOf(ConnInfo); ConnInfo.dwParams = CONNMGR_PARAM_GUIDDESTNET; ConnInfo.dwFlags = CONNMGR_FLAG_PROXY_HTTP | CONNMGR_FLAG_PROXY_WAP | CONNMGR_FLAG_PROXY_SOCKS4 | CONNMGR_FLAG_PROXY_SOCKS5; ConnInfo.dwPriority = CONNMGR_PRIORITY_USERINTERACTIVE; ConnInfo.guidDestNet = guid; ConnInfo.bExclusive = 0; ConnInfo.bDisabled = 0; //uint dwStatus = 0; int hResult = ConnMgrEstablishConnectionSync(ref ConnInfo, ref m_hConnection, 15 * 1000, ref dwStatus); if (hResult < 0) { return false; } else { return true; } } /**//// <summary> /// 连接状态 /// </summary> /// <param name="nTimeoutSec"></param> /// <param name="pdwStatus"></param> /// <returns></returns> public bool WaitForConnected(int nTimeoutSec, ref uint pdwStatus) { uint dwStartTime = GetTickCount(); bool bRet = false; while (GetTickCount() - dwStartTime < (uint)nTimeoutSec * 1000) { if (m_hConnection.ToInt32() != 0) { uint dwStatus = 0; int hr = ConnMgrConnectionStatus(m_hConnection, ref dwStatus); if (dwStatus != 0) pdwStatus = dwStatus; if (hr >= 0) { if (dwStatus == CONNMGR_STATUS_CONNECTED) { bRet = true; break; } } } Thread.Sleep(100); } return bRet; } /**//// <summary> /// 释放所有连接 /// </summary> public void ReleaseConnection() { if (m_hConnection.ToInt32() != 0) { ConnMgrReleaseConnection(m_hConnection, 0); m_hConnection = IntPtr.Zero; } } [StructLayout(LayoutKind.Sequential)] public struct CONNMGR_CONNECTIONINFO { public uint cbSize; public uint dwParams; public uint dwFlags; public uint dwPriority; public int bExclusive; public int bDisabled; public GUID guidDestNet; public IntPtr hWnd; public uint uMsg; public uint lParam; public uint ulMaxCost; public uint ulMinRcvBw; public uint ulMaxConnLatency; } [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)] public struct CONNMGR_DESTINATION_INFO { public GUID guid; // @field GUID associated with network [MarshalAs(UnmanagedType.ByValTStr,SizeConst = CONNMGR_MAX_DESC)] public string szDescription; // @field Description of network public int fSecure; // @field Is it OK to allow multi-homing on the network } public struct GUID { // size is 16 public uint Data1; public UInt16 Data2; public UInt16 Data3; [MarshalAs(UnmanagedType.ByValArray, SizeConst = 8)] public byte[] Data4; } [DllImport("coredll.dll")] public static extern uint GetTickCount(); [DllImport("coredll.dll")] public static extern uint WaitForSingleObject(IntPtr hHandle,uint dwMilliseconds); [DllImport("cellcore.dll")] public static extern int ConnMgrMapURL(string pwszURL, ref GUID pguid, ref uint pdwIndex); [DllImport("cellcore.dll", CharSet = CharSet.Unicode, SetLastError = true)] unsafe static extern int ConnMgrMapURL(string url, ref Guid guid, int* nIndex); [DllImport("cellcore.dll")] public static extern int ConnMgrEstablishConnectionSync(ref CONNMGR_CONNECTIONINFO ci, ref IntPtr phConnection, uint dwTimeout, ref uint pdwStatus); [DllImport("cellcore.dll")] private static extern IntPtr ConnMgrApiReadyEvent(); [DllImport("cellcore.dll")] public static extern int ConnMgrReleaseConnection(IntPtr hConnection, int bCache); [DllImport("cellcore.dll")] public static extern int ConnMgrEnumDestinations(int nIndex,ref CONNMGR_DESTINATION_INFO pDestInfo); [DllImport("cellcore.dll")] // @parm Handle to connection, returned from ConnMgrEstablishConnection // @parm Returns current connection status, one of CONNMGR_STATUS_* public static extern int ConnMgrConnectionStatus(IntPtr hConnection, ref uint pdwStatus); [DllImport("coredll.dll")] private static extern int CloseHandle(IntPtr hObject); } }