internal SearchReceivedEventArgs(Messages.DiscoveryMessage message, System.Net.IPEndPoint sender)
{
ServiceType = message.Service.ServiceType;
MaxWaitTime = message.MaxWaitTime;
ReceivedContent = message.Content;
Sender = sender;
}
public IList <Service> Discover(string serviceType)
{
var msg = new Messages.DiscoveryMessage();
msg.Service = new Service();
msg.Service.ServiceType = serviceType;
msg.MaxWaitTime = MaxWaitTime;
var result = new List <Service>();
using (var client = new UdpClient())
{
var buffer = msg.ToArray();
for (int i = 0; i < MessageCount; i++)
{
client.Send(buffer, buffer.Length, new IPEndPoint(DiscoveryAddress, Port));
}
while (true)
{
client.Client.ReceiveTimeout = (int)(DiscoveryTimeout).TotalMilliseconds;
var e = new IPEndPoint(IPAddress.Any, 0);
try
{
buffer = client.Receive(ref e);
}
catch (SocketException ex)
{
if (ex.SocketErrorCode == SocketError.TimedOut)
{
if (result.Count < MinDiscoveryCount)
{
continue;
}
else
{
break;
}
}
}
var response = Parser.Parse(buffer);
if (response != null && response is Messages.DiscoveryResponseMessage)
{
HandleMessage(response, e);
if (!result.Contains(response.Service))
{
result.Add(response.Service);
}
}
}
}
return(result);
}
public IList<Service> Discover(string serviceType)
{
var msg = new Messages.DiscoveryMessage();
msg.Service = new Service();
msg.Service.ServiceType = serviceType;
msg.MaxWaitTime = MaxWaitTime;
var result = new List<Service>();
using (var client = new UdpClient())
{
var buffer = msg.ToArray();
for (int i = 0; i < MessageCount; i++)
{
client.Send(buffer, buffer.Length, new IPEndPoint(DiscoveryAddress, Port));
}
while (true)
{
client.Client.ReceiveTimeout = (int)(DiscoveryTimeout).TotalMilliseconds;
var e = new IPEndPoint(IPAddress.Any, 0);
try
{
buffer = client.Receive(ref e);
}
catch (SocketException ex)
{
if (ex.SocketErrorCode == SocketError.TimedOut)
{
if (result.Count < MinDiscoveryCount)
continue;
else
break;
}
}
var response = Parser.Parse(buffer);
if (response != null && response is Messages.DiscoveryResponseMessage)
{
HandleMessage(response, e);
if (!result.Contains(response.Service))
result.Add(response.Service);
}
}
}
return result;
}
