public Send ( byte buffer, int offset, int size, SocketFlags socketFlags, SocketError &errorCode ) : int | ||
buffer | byte | |
offset | int | |
size | int | |
socketFlags | SocketFlags | |
errorCode | SocketError | |
return | int |
public int Send(byte[] buffer, int offset, int size, SocketFlags socketFlags, out SocketError errorCode)
{
if (NetEventSource.IsEnabled) NetEventSource.Enter(this);
if (CleanedUp)
{
throw new ObjectDisposedException(this.GetType().FullName);
}
// Validate input parameters.
if (buffer == null)
{
throw new ArgumentNullException(nameof(buffer));
}
if (offset < 0 || offset > buffer.Length)
{
throw new ArgumentOutOfRangeException(nameof(offset));
}
if (size < 0 || size > buffer.Length - offset)
{
throw new ArgumentOutOfRangeException(nameof(size));
}
errorCode = SocketError.Success;
ValidateBlockingMode();
if (NetEventSource.IsEnabled) NetEventSource.Info(this, $"SRC:{LocalEndPoint} DST:{RemoteEndPoint} size:{size}");
// This can throw ObjectDisposedException.
int bytesTransferred;
errorCode = SocketPal.Send(_handle, buffer, offset, size, socketFlags, out bytesTransferred);
// Throw an appropriate SocketException if the native call fails.
if (errorCode != SocketError.Success)
{
// Update the internal state of this socket according to the error before throwing.
UpdateStatusAfterSocketError(errorCode);
if (NetEventSource.IsEnabled)
{
NetEventSource.Error(this, new SocketException((int)errorCode));
NetEventSource.Exit(this, 0);
}
return 0;
}
if (s_perfCountersEnabled)
{
if (bytesTransferred > 0)
{
SocketPerfCounter.Instance.Increment(SocketPerfCounterName.SocketBytesSent, bytesTransferred);
if (Transport == TransportType.Udp)
{
SocketPerfCounter.Instance.Increment(SocketPerfCounterName.SocketDatagramsSent);
}
}
}
if (NetEventSource.IsEnabled)
{
NetEventSource.Info(this, $"Interop.Winsock.send returns:{bytesTransferred}");
NetEventSource.DumpBuffer(this, buffer, offset, bytesTransferred);
NetEventSource.Exit(this, bytesTransferred);
}
return bytesTransferred;
}
Socket::Send ( IList |
|
Socket::Send ( IList |
|
Socket::Send ( IList |
|
Socket::Send ( byte buffer ) : int | |
Socket::Send ( byte buffer, SocketFlags socketFlags ) : int | |
Socket::Send ( byte buffer, int size, SocketFlags socketFlags ) : int | |
Socket::Send ( byte buffer, int offset, int size, SocketFlags socketFlags ) : int |
static void Main(string[] args) { byte[] receiveBytes = new byte[1024]; int port =8080;//服务器端口 string host = "10.3.0.1"; //服务器ip IPAddress ip = IPAddress.Parse(host); IPEndPoint ipe = new IPEndPoint(ip, port);//把ip和端口转化为IPEndPoint实例 Console.WriteLine("Starting Creating Socket Object"); Socket sender = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);//创建一个Socket sender.Connect(ipe);//连接到服务器 string sendingMessage = "Hello World!"; byte[] forwardingMessage = Encoding.ASCII.GetBytes(sendingMessage + "[FINAL]"); sender.Send(forwardingMessage); int totalBytesReceived = sender.Receive(receiveBytes); Console.WriteLine("Message provided from server: {0}", Encoding.ASCII.GetString(receiveBytes,0,totalBytesReceived)); //byte[] bs = Encoding.ASCII.GetBytes(sendStr); sender.Shutdown(SocketShutdown.Both); sender.Close(); Console.ReadLine(); }