实例介绍
【实例简介】
【实例截图】
【核心代码】
using System;
using System.Collections.Generic;
using System.Runtime.InteropServices;
namespace VirtualRouterPlus
{
public class WlanManager : IDisposable
{
private IntPtr _WlanHandle;
private uint _ServerVersion;
private wlanapi.WLAN_NOTIFICATION_CALLBACK _notificationCallback;
private WLAN_HOSTED_NETWORK_STATE _HostedNetworkState;
protected Dictionary<string, WlanStation> _Stations = new Dictionary<string, WlanStation>();
public WlanManager()
{
this._notificationCallback = new wlanapi.WLAN_NOTIFICATION_CALLBACK(this.OnNotification);
this.Init();
}
private void Init()
{
try
{
WlanUtils.Throw_On_Win32_Error(wlanapi.WlanOpenHandle(wlanapi.WLAN_CLIENT_VERSION_VISTA, IntPtr.Zero, out this._ServerVersion, ref this._WlanHandle));
WLAN_NOTIFICATION_SOURCE notifSource;
WlanUtils.Throw_On_Win32_Error(wlanapi.WlanRegisterNotification(this._WlanHandle, WLAN_NOTIFICATION_SOURCE.All, true, this._notificationCallback, IntPtr.Zero, IntPtr.Zero, out notifSource));
WLAN_HOSTED_NETWORK_REASON failReason = this.InitSettings();
if (failReason != WLAN_HOSTED_NETWORK_REASON.wlan_hosted_network_reason_success)
{
throw new Exception("Init Error WlanHostedNetworkInitSettings: " failReason.ToString());
}
}
catch
{
wlanapi.WlanCloseHandle(this._WlanHandle, IntPtr.Zero);
throw;
}
}
#region "Events"
public event EventHandler HostedNetworkStarted;
public event EventHandler HostedNetworkStopped;
public event EventHandler HostedNetworkAvailable;
public event EventHandler StationJoin;
public event EventHandler StationLeave;
public event EventHandler StationStateChange;
#endregion
#region "OnNotification"
protected void onHostedNetworkStarted()
{
this._HostedNetworkState = WLAN_HOSTED_NETWORK_STATE.wlan_hosted_network_active;
if (this.HostedNetworkStarted != null)
{
this.HostedNetworkStarted(this, EventArgs.Empty);
}
}
protected void onHostedNetworkStopped()
{
this._HostedNetworkState = WLAN_HOSTED_NETWORK_STATE.wlan_hosted_network_idle;
if (this.HostedNetworkStopped != null)
{
this.HostedNetworkStopped(this, EventArgs.Empty);
}
}
protected void onHostedNetworkAvailable()
{
this._HostedNetworkState = WLAN_HOSTED_NETWORK_STATE.wlan_hosted_network_idle;
if (this.HostedNetworkAvailable != null)
{
this.HostedNetworkAvailable(this, EventArgs.Empty);
}
}
protected void onStationJoin(WLAN_HOSTED_NETWORK_PEER_STATE stationState)
{
var pStation = new WlanStation(stationState);
this._Stations[pStation.MacAddress] = pStation;
if (this.StationJoin != null)
{
this.StationJoin(this, EventArgs.Empty);
}
}
protected void onStationLeave(WLAN_HOSTED_NETWORK_PEER_STATE stationState)
{
this._Stations.Remove(stationState.PeerMacAddress.ConvertToString());
if (this.StationLeave != null)
{
this.StationLeave(this, EventArgs.Empty);
}
}
protected void onStationStateChange(WLAN_HOSTED_NETWORK_PEER_STATE stationState)
{
if (this.StationStateChange != null)
{
this.StationStateChange(this, EventArgs.Empty);
}
}
protected void OnNotification(ref WLAN_NOTIFICATION_DATA notifData, IntPtr context)
{
switch (notifData.notificationCode)
{
case (int)WLAN_HOSTED_NETWORK_NOTIFICATION_CODE.wlan_hosted_network_state_change:
if (notifData.dataSize > 0 && notifData.dataPtr != IntPtr.Zero)
{
WLAN_HOSTED_NETWORK_STATE_CHANGE pStateChange = (WLAN_HOSTED_NETWORK_STATE_CHANGE)Marshal.PtrToStructure(notifData.dataPtr, typeof(WLAN_HOSTED_NETWORK_STATE_CHANGE));
switch (pStateChange.NewState)
{
case WLAN_HOSTED_NETWORK_STATE.wlan_hosted_network_active:
this.onHostedNetworkStarted();
break;
case WLAN_HOSTED_NETWORK_STATE.wlan_hosted_network_idle:
if (pStateChange.OldState == WLAN_HOSTED_NETWORK_STATE.wlan_hosted_network_active)
{
this.onHostedNetworkStopped();
}
else
{
this.onHostedNetworkAvailable();
}
break;
case WLAN_HOSTED_NETWORK_STATE.wlan_hosted_network_unavailable:
if (pStateChange.OldState == WLAN_HOSTED_NETWORK_STATE.wlan_hosted_network_active)
{
this.onHostedNetworkStopped();
}
this.onHostedNetworkAvailable();
break;
}
}
break;
case (int)WLAN_HOSTED_NETWORK_NOTIFICATION_CODE.wlan_hosted_network_peer_state_change:
if (notifData.dataSize > 0 && notifData.dataPtr != IntPtr.Zero)
{
WLAN_HOSTED_NETWORK_DATA_PEER_STATE_CHANGE pPeerStateChange = (WLAN_HOSTED_NETWORK_DATA_PEER_STATE_CHANGE)Marshal.PtrToStructure(notifData.dataPtr, typeof(WLAN_HOSTED_NETWORK_DATA_PEER_STATE_CHANGE));
if (pPeerStateChange.NewState.PeerAuthState == WLAN_HOSTED_NETWORK_PEER_AUTH_STATE.wlan_hosted_network_peer_state_authenticated)
{
// Station joined the hosted network
this.onStationJoin(pPeerStateChange.NewState);
}
else if (pPeerStateChange.NewState.PeerAuthState == WLAN_HOSTED_NETWORK_PEER_AUTH_STATE.wlan_hosted_network_peer_state_invalid)
{
// Station left the hosted network
this.onStationLeave(pPeerStateChange.NewState);
}
else
{
// Authentication state changed
this.onStationStateChange(pPeerStateChange.NewState);
}
}
break;
case (int)WLAN_HOSTED_NETWORK_NOTIFICATION_CODE.wlan_hosted_network_radio_state_change:
if (notifData.dataSize > 0 && notifData.dataPtr != IntPtr.Zero)
{
//WLAN_HOSTED_NETWORK_RADIO_STATE pRadioState = (WLAN_HOSTED_NETWORK_RADIO_STATE)Marshal.PtrToStructure(notifData.dataPtr, typeof(WLAN_HOSTED_NETWORK_RADIO_STATE));
// Do nothing for now
}
//else
//{
// // // Shall NOT happen
// // _ASSERT(FAILSE);
//}
break;
}
}
#endregion
#region "Public Methods"
public WLAN_HOSTED_NETWORK_REASON ForceStart()
{
WLAN_HOSTED_NETWORK_REASON failReason;
WlanUtils.Throw_On_Win32_Error(wlanapi.WlanHostedNetworkForceStart(this._WlanHandle, out failReason, IntPtr.Zero));
this._HostedNetworkState = WLAN_HOSTED_NETWORK_STATE.wlan_hosted_network_active;
return failReason;
}
public WLAN_HOSTED_NETWORK_REASON ForceStop()
{
WLAN_HOSTED_NETWORK_REASON failReason;
WlanUtils.Throw_On_Win32_Error(wlanapi.WlanHostedNetworkForceStop(this._WlanHandle, out failReason, IntPtr.Zero));
this._HostedNetworkState = WLAN_HOSTED_NETWORK_STATE.wlan_hosted_network_idle;
return failReason;
}
public WLAN_HOSTED_NETWORK_REASON StartUsing()
{
WLAN_HOSTED_NETWORK_REASON failReason;
WlanUtils.Throw_On_Win32_Error(wlanapi.WlanHostedNetworkStartUsing(this._WlanHandle, out failReason, IntPtr.Zero));
this._HostedNetworkState = WLAN_HOSTED_NETWORK_STATE.wlan_hosted_network_active;
return failReason;
}
public WLAN_HOSTED_NETWORK_REASON StopUsing()
{
WLAN_HOSTED_NETWORK_REASON failReason;
WlanUtils.Throw_On_Win32_Error(wlanapi.WlanHostedNetworkStopUsing(this._WlanHandle, out failReason, IntPtr.Zero));
this._HostedNetworkState = WLAN_HOSTED_NETWORK_STATE.wlan_hosted_network_idle;
return failReason;
}
public WLAN_HOSTED_NETWORK_REASON InitSettings()
{
WLAN_HOSTED_NETWORK_REASON failReason;
WlanUtils.Throw_On_Win32_Error(wlanapi.WlanHostedNetworkInitSettings(this._WlanHandle, out failReason, IntPtr.Zero));
return failReason;
}
public WLAN_HOSTED_NETWORK_REASON QuerySecondaryKey(out string passKey, out bool isPassPhrase, out bool isPersistent)
{
WLAN_HOSTED_NETWORK_REASON failReason;
uint keyLen;
WlanUtils.Throw_On_Win32_Error(wlanapi.WlanHostedNetworkQuerySecondaryKey(this._WlanHandle, out keyLen, out passKey, out isPassPhrase, out isPersistent, out failReason, IntPtr.Zero));
return failReason;
}
public WLAN_HOSTED_NETWORK_REASON SetSecondaryKey(string passKey)
{
WLAN_HOSTED_NETWORK_REASON failReason;
WlanUtils.Throw_On_Win32_Error(wlanapi.WlanHostedNetworkSetSecondaryKey(this._WlanHandle, (uint)(passKey.Length 1), passKey, true, true, out failReason, IntPtr.Zero));
return failReason;
}
public WLAN_HOSTED_NETWORK_STATUS QueryStatus()
{
IntPtr pStatus;
WlanUtils.Throw_On_Win32_Error(wlanapi.WlanHostedNetworkQueryStatus(this._WlanHandle, out pStatus, IntPtr.Zero));
WLAN_HOSTED_NETWORK_STATUS status = (WLAN_HOSTED_NETWORK_STATUS)Marshal.PtrToStructure(pStatus, typeof(WLAN_HOSTED_NETWORK_STATUS));
return status;
}
public WLAN_HOSTED_NETWORK_REASON SetConnectionSettings(string hostedNetworkSSID, int maxNumberOfPeers)
{
WLAN_HOSTED_NETWORK_REASON failReason;
WLAN_HOSTED_NETWORK_CONNECTION_SETTINGS settings = new WLAN_HOSTED_NETWORK_CONNECTION_SETTINGS();
settings.hostedNetworkSSID = WlanUtils.ConvertStringToDOT11_SSID(hostedNetworkSSID);
settings.dwMaxNumberOfPeers = (uint)maxNumberOfPeers;
IntPtr settingsPtr = Marshal.AllocHGlobal(Marshal.SizeOf(settings));
Marshal.StructureToPtr(settings, settingsPtr, false);
WlanUtils.Throw_On_Win32_Error(
wlanapi.WlanHostedNetworkSetProperty(
this._WlanHandle,
WLAN_HOSTED_NETWORK_OPCODE.wlan_hosted_network_opcode_connection_settings,
(uint)Marshal.SizeOf(settings), settingsPtr, out failReason, IntPtr.Zero
)
);
return failReason;
}
public WLAN_OPCODE_VALUE_TYPE QueryConnectionSettings(out string hostedNetworkSSID, out int maxNumberOfPeers)
{
uint dataSize;
IntPtr dataPtr;
WLAN_OPCODE_VALUE_TYPE opcode;
WlanUtils.Throw_On_Win32_Error(
wlanapi.WlanHostedNetworkQueryProperty(
this._WlanHandle,
WLAN_HOSTED_NETWORK_OPCODE.wlan_hosted_network_opcode_connection_settings,
out dataSize, out dataPtr, out opcode, IntPtr.Zero
)
);
var settings = (WLAN_HOSTED_NETWORK_CONNECTION_SETTINGS)Marshal.PtrToStructure(dataPtr, typeof(WLAN_HOSTED_NETWORK_CONNECTION_SETTINGS));
hostedNetworkSSID = settings.hostedNetworkSSID.ConvertToString();
maxNumberOfPeers = (int)settings.dwMaxNumberOfPeers;
return opcode;
}
public void StartHostedNetwork()
{
try
{
this.ForceStop();
var failReason = this.StartUsing();
if (failReason != WLAN_HOSTED_NETWORK_REASON.wlan_hosted_network_reason_success)
{
throw new Exception("Could Not Start Hosted Network!\n\n" failReason.ToString());
}
}
catch
{
this.ForceStop();
throw;
}
}
public void StopHostedNetwork()
{
this.ForceStop();
}
#endregion
#region "Properties"
public Guid HostedNetworkInterfaceGuid
{
get
{
var status = this.QueryStatus();
return status.IPDeviceID;
}
}
public WLAN_HOSTED_NETWORK_STATE HostedNetworkState
{
get
{
return this._HostedNetworkState;
}
}
public Dictionary<string, WlanStation> Stations
{
get
{
return this._Stations;
}
}
public bool IsHostedNetworkStarted
{
get
{
return (this._HostedNetworkState == WLAN_HOSTED_NETWORK_STATE.wlan_hosted_network_active);
}
}
#endregion
#region IDisposable Members
public void Dispose()
{
this.ForceStop();
if (this._WlanHandle != IntPtr.Zero)
{
wlanapi.WlanCloseHandle(this._WlanHandle, IntPtr.Zero);
}
}
#endregion
}
}
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