private void setNetworkSettings(string ssid, int maxPeers)
{
NativeWLanAPI._DOT11_SSID ossid = new NativeWLanAPI._DOT11_SSID();
NativeWLanAPI._WLAN_HOSTED_NETWORK_CONNECTION_SETTINGS settings = new NativeWLanAPI._WLAN_HOSTED_NETWORK_CONNECTION_SETTINGS();
if (ssid.Length > 32)
{
throw new ArgumentException("Wi-Fi名称必须小于32个字符");
}
else
{
ossid.uSSIDLength = (uint)ssid.Length;
ossid.ucSSID = ssid;
settings.hostedNetworkSSID = ossid;
}
if (maxPeers == 0)
{
throw new ArgumentException("Max number of peers must be greater than 0");
}
settings.dwMaxNumberOfPeers = (uint)maxPeers;
int size = Marshal.SizeOf(settings);
IntPtr pSettings = Marshal.AllocHGlobal(size);
Marshal.StructureToPtr(settings, pSettings, true);
NativeWLanAPI._WLAN_HOSTED_NETWORK_OPCODE opcode = NativeWLanAPI._WLAN_HOSTED_NETWORK_OPCODE._WLAN_HOSTED_NETWORK_OPCODE_connection_settings;
NativeWLanAPI.WlanHostedNetworkSetProperty(handle, opcode, (uint)size, pSettings, out lastError, IntPtr.Zero);
checkStatusAndThrow("设置Wi-Fi名称失败");
Marshal.FreeHGlobal(pSettings);
}
private bool initSettings()
{
lastErrorCode = (int)NativeWLanAPI.WlanHostedNetworkInitSettings(handle, out lastError, IntPtr.Zero);
checkStatusAndThrow("Didnt initialize settings correctly", true);
return(true);
}
public List <ArpIpAddress> GetListArp()
{
List <NativeWLanAPI.MIB_IPNETROW> ArpList = new List <NativeWLanAPI.MIB_IPNETROW>();
List <ArpIpAddress> addresses = new List <ArpIpAddress>();
int size = 0;
NativeWLanAPI.GetIpNetTable(IntPtr.Zero, ref size, true);
IntPtr ipList = Marshal.AllocHGlobal(size);
if ((int)NativeWLanAPI.GetIpNetTable(ipList, ref size, true) == 0)
{
var num = Marshal.ReadInt32(ipList);
var ptr = IntPtr.Add(ipList, 4);
for (int i = 0; i < num; i++)
{
ArpList.Add((NativeWLanAPI.MIB_IPNETROW)Marshal.PtrToStructure(ptr, typeof(NativeWLanAPI.MIB_IPNETROW)));
ptr = IntPtr.Add(ptr, Marshal.SizeOf(typeof(NativeWLanAPI.MIB_IPNETROW)));
}
Marshal.FreeHGlobal(ipList);
}
foreach (var item in ArpList)
{
addresses.Add(new ArpIpAddress()
{
IpAddress = ArpHelper.ConvertIpToStr(item.Addr), MacAddress = ArpHelper.CovnertMacToStr(item.PhysAddr)
});
}
return(addresses);
}
private bool openHandle(int serverVersion)
{
lastErrorCode = (int)NativeWLanAPI.WlanOpenHandle((uint)serverVersion, IntPtr.Zero, out version, out handle);
checkStatusAndThrow("Couldn't retrive handle to SoftAP");
return(handleConnected = true);
}
private void setPassword(string pass)
{
if (pass.Length < 8 || pass.Length > 63)
{
throw new ArgumentException("密码必须在8到63个字符之间");
}
NativeWLanAPI.WlanHostedNetworkSetSecondaryKey(handle, (uint)(pass.Length + 1), pass, true, true, out lastError, IntPtr.Zero);
checkStatusAndThrow("设置密码失败");
}
/// <summary>
/// Stops the Software Access Point
/// </summary>
/// <returns>Returns True if the AP has been stopped</returns>
public bool Stop()
{
if (serverRunning)
{
lastErrorCode = (int)NativeWLanAPI.WlanHostedNetworkForceStop(handle, out lastError, IntPtr.Zero);
checkStatusAndThrow("Could not stop SoftAP");
serverRunning = false;
}
return(true);
}
/// <summary>
/// Starts the Software Access Point
/// </summary>
/// <returns>True if the server has been started</returns>
public bool Start()
{
NativeWLanAPI.WlanHostedNetworkStartUsing(handle, out lastError, IntPtr.Zero);
checkStatusAndThrow("启动Wi-Fi失败");
NativeWLanAPI.WlanHostedNetworkForceStart(handle, out lastError, IntPtr.Zero);
checkStatusAndThrow("启动Wi-Fi失败");
WlanShare.ShareStart();
return(serverRunning = true);
}
/// <summary>
/// Enables the Software AP. Sometimes when Start() won't work, Enable() and then Start() might work.
/// </summary>
public void Enable()
{
NativeWLanAPI._WLAN_HOSTED_NETWORK_OPCODE opcode = NativeWLanAPI._WLAN_HOSTED_NETWORK_OPCODE._WLAN_HOSTED_NETWORK_OPCODE_enable;
int size = Marshal.SizeOf(new Int32());
IntPtr setting = Marshal.AllocHGlobal(size);
Marshal.WriteInt32(setting, 1);
lastErrorCode = (int)NativeWLanAPI.WlanHostedNetworkSetProperty(handle, opcode, (uint)size, setting, out lastError, IntPtr.Zero);
Marshal.FreeHGlobal(setting);
checkStatusAndThrow("Could not enable Hosted Access Point! ");
}
/// <summary>
/// Query a status of Software Access Point
/// </summary>
/// <returns>A construct with status of the AP</returns>
public HostedNetworkStatus getStatus()
{
var addressList = GetListArp();
IntPtr ppStatus = IntPtr.Zero;
lastErrorCode = (int)NativeWLanAPI.WlanHostedNetworkQueryStatus(handle, out ppStatus, IntPtr.Zero);
checkStatusAndThrow("Could not retrive SoftAP status", false);
NativeWLanAPI._WLAN_HOSTED_NETWORK_STATUS qstat = (NativeWLanAPI._WLAN_HOSTED_NETWORK_STATUS)Marshal.PtrToStructure(ppStatus, typeof(NativeWLanAPI._WLAN_HOSTED_NETWORK_STATUS));
bool isActive = qstat.HostedNetworkState == NativeWLanAPI._WLAN_HOSTED_NETWORK_STATE.wlan_hosted_network_active ? true : false;
int peersConnected = (int)qstat.dwNumberOfPeers;
Guid guid = qstat.IPDeviceID;
string networkMac = BitConverter.ToString(qstat.wlanHostedNetworkBSSID.address);//网卡地址
LinkedList <HostedNetworkPeer> peers = new LinkedList <HostedNetworkPeer>();
IntPtr offset = Marshal.OffsetOf(typeof(NativeWLanAPI._WLAN_HOSTED_NETWORK_STATUS), "PeerList");
for (int i = 0; i < peersConnected; i++)
{
IntPtr ppeer = new IntPtr(ppStatus.ToInt64() + offset.ToInt64());
NativeWLanAPI._WLAN_HOSTED_NETWORK_PEER_STATE peer = (NativeWLanAPI._WLAN_HOSTED_NETWORK_PEER_STATE)Marshal.PtrToStructure(ppeer, typeof(NativeWLanAPI._WLAN_HOSTED_NETWORK_PEER_STATE));
string mac = BitConverter.ToString(peer.PeerMacAddress.address);
bool authenticated = ((int)peer.PeerAuthState == 1 ? true : false);
string ipAddress = addressList.LastOrDefault(x => string.Equals(x.MacAddress, mac, StringComparison.CurrentCultureIgnoreCase))?.IpAddress;
HostedNetworkPeer hpeer = new HostedNetworkPeer(mac, authenticated, DnsHelper.GetHostName(ipAddress), ipAddress);
peers.AddLast(hpeer);
offset += Marshal.SizeOf(peer);
}
NativeWLanAPI.WlanFreeMemory(ppStatus);
return(new HostedNetworkStatus(isActive, guid, peersConnected, peers, networkMac));
}
/// <summary>
/// Queries the settings of Software Access Point
/// </summary>
/// <returns>Current settings of the AP</returns>
public HostedNetworkSettings getSettings()
{
UInt32 pdwDataSize = new UInt32();
IntPtr ppvData = IntPtr.Zero;
NativeWLanAPI._WLAN_OPCODE_VALUE_TYPE pWlanOpcodeValueType = new NativeWLanAPI._WLAN_OPCODE_VALUE_TYPE();
NativeWLanAPI._WLAN_HOSTED_NETWORK_OPCODE opcode = NativeWLanAPI._WLAN_HOSTED_NETWORK_OPCODE._WLAN_HOSTED_NETWORK_OPCODE_connection_settings;
lastErrorCode = (int)NativeWLanAPI.WlanHostedNetworkQueryProperty(handle, opcode, out pdwDataSize, out ppvData, out pWlanOpcodeValueType, IntPtr.Zero);
checkStatusAndThrow("Could not get network settings at this time");
NativeWLanAPI._WLAN_HOSTED_NETWORK_CONNECTION_SETTINGS qsettings = (NativeWLanAPI._WLAN_HOSTED_NETWORK_CONNECTION_SETTINGS)Marshal.PtrToStructure(ppvData, typeof(NativeWLanAPI._WLAN_HOSTED_NETWORK_CONNECTION_SETTINGS));
int maxPeers = (int)qsettings.dwMaxNumberOfPeers;
string ssid = qsettings.hostedNetworkSSID.ucSSID;
string password = getPassword();
NativeWLanAPI.WlanFreeMemory(ppvData);
return(new HostedNetworkSettings(ssid, password, maxPeers));
}
private string getPassword()
{
string pass = string.Empty;
bool persistent;
bool passphrase;
uint length;
IntPtr ppass = IntPtr.Zero;
int error = (int)NativeWLanAPI.WlanHostedNetworkQuerySecondaryKey(handle, out length, out ppass, out passphrase, out persistent, out lastError, IntPtr.Zero);
if (error != 0)
{
throw new ApplicationException("Retriving password failed!");
}
else
{
if (length != 0 && ppass != IntPtr.Zero)
{
pass = Marshal.PtrToStringAnsi(ppass, (int)length);
NativeWLanAPI.WlanFreeMemory(ppass);
}
}
return(pass);
}
