public ESPOTA(string remoteAddr, int remotePort, int localPort, string FileName, FLASH_Options command = FLASH_Options.FLASH)
{
_remoteAddr = remoteAddr;
_remotePort = remotePort;
_localPort = localPort;
_FileName = FileName;
readFile();
}
public bool update(string remoteAddr, int remotePort, int localPort, string password, byte[] file_data, FLASH_Options command = FLASH_Options.FLASH)
{
Console.WriteLine("Starting Java server");
IPAddress address = IPAddress.Any;
listener = new TcpListener(address, localPort);
listener.Server.NoDelay = true;
listener.Start();
Console.WriteLine($"Server started. Listening to TCP clients at 0.0.0.0:{localPort}");
long content_size = file_data.Length;
string file_md5 = file_data.ToMD5Hash().ToLower();
Console.WriteLine($"Upload size {content_size}");
string message = string.Format("0 {1} {2} {3}\n", command, localPort, content_size, file_md5);
byte[] message_bytes = Encoding.ASCII.GetBytes(message);
Console.WriteLine("Sending invitation to " + remoteAddr);
UdpClient sock2 = new UdpClient();
var ep = new IPEndPoint(IPAddress.Parse(remoteAddr), remotePort);
sock2.Send(message_bytes, message_bytes.Length, ep);
var t = sock2.ReceiveAsync();
t.Wait(10000);
var res = t.Result;
if (res == null)
{
Console.WriteLine("No Response");
{
//client.Close();
listener.Stop();
return(false);
}
}
var res_text = Encoding.ASCII.GetString(res.Buffer);
if (res_text != "OK")
{
Console.WriteLine("AUTH requeired and not implemented");
{
//client.Close();
listener.Stop();
return(false);
}
}
sock2.Close();
Console.WriteLine("Waiting for device ...");
listener.Server.SendTimeout = 10000;
listener.Server.ReceiveTimeout = 10000;
DateTime startTime = DateTime.Now;
TcpClient client = null;
Console.WriteLine("Awaiting Connection");
while ((DateTime.Now - startTime).TotalSeconds < 10)
{
if (listener.Pending())
{
client = listener.AcceptTcpClient();
client.NoDelay = true;
break;
}
else
{
Thread.Sleep(10);
}
}
if (client == null)
{
Console.WriteLine("No response from device");
{
listener.Stop();
return(false);
}
}
Console.WriteLine("Got Connection");
using (MemoryStream fs = new MemoryStream(file_data))
{
int offset = 0;
byte[] chunk = new byte[1460];
int chunk_size = 0;
int read_count = 0;
string resp = "";
while (content_size > offset)
{
chunk_size = fs.Read(chunk, 0, 1460);
offset += chunk_size;
if (client.Available > 0)
{
resp = Encoding.ASCII.GetString(chunk, 0, read_count);
Console.Write(resp);
}
Console.WriteLine($"Written {offset} out of {content_size} ({(float)(offset)/(float)(content_size)*100})");
client.Client.Send(chunk, 0, chunk_size, SocketFlags.None);
client.ReceiveTimeout = 10000;
}
client.ReceiveTimeout = 60000;
read_count = client.Client.Receive(chunk);
resp = Encoding.ASCII.GetString(chunk, 0, read_count);
while (!resp.Contains("O"))
{
if (resp.Contains("E"))
{
client.Close();
listener.Stop();
return(false);
}
read_count = client.Client.Receive(chunk);
resp = Encoding.ASCII.GetString(chunk, 0, read_count);
Console.Write(resp);
//return;
}
Console.WriteLine("\r\nAll done, Kill me now");
client.Close();
listener.Stop();
return(true);
}
}
