protected bool IsServerOnline(ShareConfiguration config)
{
var pinger = new Ping();
var retVal = false;
try
{
var reply = pinger.Send(config.Server);
if (reply.Status == IPStatus.Success)
{
retVal = true;
Logger.Information("Server is up");
}
else
{
Logger.Information("Server is not up");
}
}
catch (PingException e)
{
Logger.Information($"Ping failed, message was {e.Message}");
}
finally
{
pinger.Dispose();
}
return(retVal);
}
protected void WakeOnLAN(ShareConfiguration config)
{
var sock = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp)
{
EnableBroadcast = true
};
// The magic packet is a broadcast frame containing anywhere within its payload
// 6 bytes of all 255 (FF FF FF FF FF FF in hexadecimal), followed by sixteen
// repetitions of the target computer's 48-bit MAC address, for a total of 102 bytes.
List <byte> payload = new List <byte>();
// Add 6 bytes with value 255 (FF) in our payload
for (var i = 0; i < 6; i++)
{
payload.Add(255);
}
// Repeat the device MAC address sixteen times
var macBytes = config.MacAddress.GetAddressBytes();
for (var j = 0; j < 16; j++)
{
foreach (var curByte in macBytes)
{
payload.Add(curByte);
}
}
// Broadcast our packet
sock.SendTo(payload.ToArray(), new IPEndPoint(IPAddress.Parse("255.255.255.255"), 0));
sock.Close(10000);
}
protected bool DeterminePhysicalAddress(ShareConfiguration config)
{
// if Server isn't already an IP address, do a DNS lookup to get the
// Server's IP address
var ipAddr = IPAddress.None;
if (config.ServerIsIPAddress)
{
// Server is already an IP address
Logger.Information <string>("Server property is an IP address ({Server})", config.Server);
if (IPAddress.TryParse(config.Server, out IPAddress temp))
{
ipAddr = temp;
Logger.Information("Parsed server IP address");
}
else
{
Logger.Error("Failed to parse server IP address");
return(false);
}
}
else
{
// Server isn't an IP address, do a DNS lookup
IPHostEntry ipEntry = Dns.GetHostEntry(config.Server);
switch (ipEntry.AddressList.Length)
{
case 0:
Logger.Error("DNS lookup of server failed");
return(false);
case 1:
Logger.Information(
"Server resolved to a single IP address ({0})", propertyValue: ipEntry.AddressList[0]);
ipAddr = ipEntry.AddressList[0];
break;
default:
Logger.Information(
"Server resolved to {0} addresses, using the first one {1}",
propertyValue0: ipEntry.AddressList.Length, propertyValue1: ipEntry.AddressList[0]);
ipAddr = ipEntry.AddressList[0];
break;
}
}
var macText = ipAddr.GetMacAddress();
try
{
config.MacAddress = PhysicalAddress.Parse(macText);
}
catch (Exception e)
{
Logger.Error(e.Message);
return(false);
}
return(true);
}