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@yutopio
Created March 3, 2018 01:10
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Example of simple HTTP client / server by using Socket
using System;
using System.Net;
using System.Net.Sockets;
class Program
{
static void Main(string[] args)
{
var s = new Socket(
AddressFamily.InterNetwork,
SocketType.Stream,
ProtocolType.Tcp
);
var ip = Dns.Resolve("google.com").AddressList[0];
s.Connect(new IPEndPoint(ip, 80));
var req =
$@"GET / HTTP/1.0
Host: google.com
";
var buffer = System.Text.Encoding.ASCII.GetBytes(req);
s.Send(buffer, 0, buffer.Length, SocketFlags.None);
buffer = new byte[1024 * 4];
s.Receive(buffer, 0, buffer.Length, SocketFlags.None);
s.Shutdown(SocketShutdown.Receive);
s.Close();
var txt = System.Text.Encoding.ASCII.GetString(buffer);
Console.WriteLine(txt);
}
static void Main2(string[] args)
{
var s = new Socket(
AddressFamily.InterNetwork,
SocketType.Stream,
ProtocolType.Tcp
);
s.Bind(new IPEndPoint(
IPAddress.Parse("127.0.0.1"), 8080));
s.Listen(10);
var i = 0;
while (true)
{
i++;
var client = s.Accept();
var buffer = new byte[1024 * 4];
client.Receive(buffer, 0, buffer.Length, SocketFlags.None);
var response =
$@"HTTP/1.0 200 OK
Content-Type: text/ascii
Content-Length: 17
Hello world! {i:0000}";
buffer = System.Text.Encoding.ASCII.GetBytes(response);
client.Send(buffer, 0, buffer.Length, SocketFlags.None);
client.Shutdown(SocketShutdown.Send);
client.Close();
}
}
}
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