internal ServiceStateChangedEventArgs(WiFiDirectError error, WiFiDirectServiceDiscoveryState state, WiFiDirectServiceType type, string response, WiFiDirectPeer peer)
{
_error = error;
_state = state;
_type = type;
_response = response;
_peer = peer;
}
internal uint RegisterService(WiFiDirectServiceType type, string info, string serviceInfo)
{
uint serviceId;
int ret = Interop.WiFiDirect.RegisterService(type, info, serviceInfo, out serviceId);
if (ret != (int)WiFiDirectError.None)
{
Log.Error(Globals.LogTag, "Failed to register for service, Error - " + (WiFiDirectError)ret);
WiFiDirectErrorFactory.ThrowWiFiDirectException(ret);
}
return(serviceId);
}
/// <summary>
/// Stops the Wi-Fi Direct service discovery.
/// </summary>
/// <remarks>
/// Wi-Fi Direct must be activated.
/// </remarks>
/// <exception cref="NotSupportedException">
/// Thrown during one of the following cases:
/// 1. When the Wi-Fi Direct is not supported.
/// 2. When the Wi-Fi Direct service discovery is not supported.
/// </exception>
/// <param name="type">The type of the service.</param>
/// <since_tizen> 3 </since_tizen>
public void CancelServiceDiscovery(WiFiDirectServiceType type)
{
if (Globals.IsActivated)
{
int ret = Interop.WiFiDirect.StopServiceDiscovery(_peerMacAddress, type);
if (ret != (int)WiFiDirectError.None)
{
Log.Error(Globals.LogTag, "Failed to stop Wi-Fi Direct service discovery, Error - " + (WiFiDirectError)ret);
WiFiDirectErrorFactory.ThrowWiFiDirectException(ret);
}
}
else
{
Log.Error(Globals.LogTag, "Wifi-direct is not activated");
WiFiDirectErrorFactory.ThrowWiFiDirectException((int)WiFiDirectError.NotPermitted);
}
}
private void RegisterServiceStateChangedEvent()
{
_serviceStateChangedCallback = (int result, WiFiDirectServiceDiscoveryState stateInfo, WiFiDirectServiceType typeInfo, IntPtr responseData, string address, IntPtr userData) =>
{
if (_serviceStateChanged != null)
{
WiFiDirectError error = (WiFiDirectError)result;
WiFiDirectServiceDiscoveryState state = stateInfo;
WiFiDirectServiceType type = typeInfo;
string response = Marshal.PtrToStringAnsi(responseData);
IntPtr peer;
Interop.WiFiDirect.GetDiscoveredPeerInfo(address, out peer);
DiscoveredPeerStruct peerStruct = (DiscoveredPeerStruct)Marshal.PtrToStructure(peer, typeof(DiscoveredPeerStruct));
_serviceStateChanged(null, new ServiceStateChangedEventArgs(error, state, type, response, WiFiDirectUtils.ConvertStructToDiscoveredPeer(peerStruct)));
}
};
int ret = Interop.WiFiDirect.SetServiceStateChangedCallback(_serviceStateChangedCallback, IntPtr.Zero);
if (ret != (int)WiFiDirectError.None)
{
Log.Error(Globals.LogTag, "Failed to set service state changed callback, Error - " + (WiFiDirectError)ret);
}
}
internal static extern int RegisterService(WiFiDirectServiceType type, string info1, string info2, out uint serviceId);
internal static extern int StopServiceDiscovery(string address, WiFiDirectServiceType type);