public async Task <Car> GetItem(int id)
{//2
return(await Task.Run(async() => {
var item = new Car();
item.Id = id;
byte[] data = new Converter <Car>().ObjectToByteArray(item);
var toSend = new byte[data.Length + 1];
toSend[0] = 32;
for (int i = 0; i < data.Length; i++)
{
toSend[i + 1] = data[i];
}
await socket.SendData(toSend);
data = new byte[1024];
await socket.ReceiveData(data);
try
{
var ret = new Converter <Car>().ByteArrayToObject(data);
return ret;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
return null;
}));
}
public static async Task GetFile(string path, string filename)
{
path += filename;
IPEndPoint ipPoint = new IPEndPoint(IPAddress.Parse(ConfigurationManager.AppSettings["Ip"].ToString()),
int.Parse(ConfigurationManager.AppSettings["Port"].ToString()));
using (var socket = new TCPSocket(StaticData.MyAddress, ipPoint))
{
await socket.Connect();
var bytePath = ASCIIEncoding.ASCII.GetBytes(filename.ToArray());
var toSend = new byte[bytePath.Length + 1];
toSend[0] = 77;
for (int i = 0; i < bytePath.Length; i++)
{
toSend[i + 1] = bytePath[i];
}
await socket.SendData(toSend);
var temp = new byte[12];
await socket.ReceiveData(temp);
var length = BitConverter.ToInt64(temp, 0);
if (length == 0)
{
MessageBox.Show("File doesn't exist");
return;
}
int packageSize = BitConverter.ToInt32(temp, 8);
var data = new byte[packageSize];
using (FileStream file = new FileStream(path, FileMode.Create, FileAccess.Write))
{
int iter = (int)((length) / packageSize);
for (int i = 0; i < iter; i++)
{
data = new byte[packageSize];
await socket.ReceiveData(data);
await file.WriteAsync(data, 0, packageSize);
await socket.SendData(new byte[] { 255 });
}
var bytes = await socket.ReceiveData(data);
await file.WriteAsync(data, 0, bytes);
}
}
}
public async Task Execute(TCPSocket h)
{
this.handler = h;
var buff = new byte[1024];
await handler.ReceiveData(buff);
await Respond( await GetData(buff));
handler.Dispose();
}
public p_AllMsg ReceiveData()
{
byte[] bytes = null;
bytes = TCPSocket.ReceiveData();
cache.AddRange(bytes);
byte[] data = Decode(ref cache);
p_AllMsg p_allmsg = null;
if (bytes != null)
{
p_allmsg = new p_AllMsg();
p_allmsg = Serialization.DeserializeData(data);
}
return(p_allmsg);
}
public void Receive_HandleData()
{
byte[] data = TCPSocket.ReceiveData();
lock (cache)
{
if (data != null)
{
cache.AddRange(data);
if (!isReceiving)
{
isReceiving = true;
ReadData();
}
}
}
}
async Task<byte[]> GetData(byte[] data)
{
int first = 0;
first = data[0] % 10;
if (first <= 5)
return await commands[first - 1].GetData(data);
else if (first == 7)
{
await Task.Run(async () =>
{
var path = new string(ASCIIEncoding.ASCII.GetChars(data, 1, data.Length - 1));
var cleaned = path.Replace("\0", string.Empty);
Console.WriteLine(cleaned);
if (File.Exists(cleaned))
using (FileStream file = new FileStream(cleaned, FileMode.Open, FileAccess.ReadWrite))
{
//max 65535
int packageSize = 16384 * 4;
byte[] buff = new byte[packageSize];
var info = new byte[12];
var arr1 = BitConverter.GetBytes(file.Length);
var arr2 = BitConverter.GetBytes(packageSize);
for (int i = 0; i < 8; i++)
info[i] = arr1[i];
for (int i = 8; i < 12; i++)
info[i] = arr2[i - 8];
await handler.SendData(info);
long persent = 0;
int iter = (int)((file.Length) / packageSize);
for (int i = 0; i < iter; i++)
{
await file.ReadAsync(buff, 0, packageSize);
if ((int)((file.Position * 100) / file.Length) > persent)
{
persent = (file.Position * 100) / file.Length;
Console.WriteLine(file.Position / 1024 + "kb " + persent + "% done");
}
await handler.SendData(buff);
await handler.ReceiveData(new byte[10]);
}
int bytes = await file.ReadAsync(buff, 0, packageSize);
await handler.SendData(buff.Take(bytes).ToArray());
Console.WriteLine(file.Position / 1024 + "kb " + ++persent + "% done");
}
else
{
await handler.SendData(BitConverter.GetBytes((long)0));
}
});
return null;
}
else
return null;
}