socket operation on non socket

("receivedConnection from % s/n ", inet_ntoa (remote_addr.sin_addr ));If (! Fork ()){/*Child Process Code segment */If (send (client_fd, "Hello, you are connected! /N ", 26, 0) =-1)Perror ("send error! ");Close (client_fd );Exit (0 );　}Close (client_fd );}　}}The workflow of the server is as follows: first call the socket function to create a

# Connect to remote serverS. connect (remote_ip, port )) Print 'socket Ted CTED to '+ host + 'on ip' + remote_ip # Send some data to remote serverMessage = "GET/HTTP/1.1 \ r \ n" Try:# Set the whole stringS. sendall (message)Failed t socket. error:# Send failedPrint 'send failed'Sys. exit () Print 'message send successfully' In the preceding example, connect to

. recv (1024)Print (str (server_reply2, encoding = 'utf-8 '))Sk. close ()3 ssh_socket3.1 server #! /Usr/local/env python#-*-Coding: UTF-8 -*-Import socket, subprocessNum = 100Sk = socket. socket ()Ip_port = ('0. 0.0.0 ', 9999)Sk. bind (ip_port)Sk. listen (5)Count = 0While True:Count + = 1Print ("server is waiting [% s]..." % count)Conn, add = sk. accept ()# Clien

(int sockfd, const struct sockaddr * addr,Socklen_t addrlen ); Remember that the value must be addrlen. Accept socklen_t * addrlen is a pointer I thought they were the same, and the results were adjusted for an hour. You still need to work hard. Layman c ++ simple code socket communication # Include "stdafx. h"# Include # Include # Include # Define PORT 5000Int main (int argc, char * argv []){Int port = PORT;WSADATA wsaData;

Sock_streamProto defaults to 0, and we don't usually have a relationship.To create a TCP socket instanceIn [6]: Import Socketin [7]: S=socket.socket (socket.af_inet,socket. SOCK_STREAM)OK, with the socket instance, you can use many of the socket instance methods. What do these methods have?| Methods of

of code is the code in the program where I implement the communication: 1. 2. Set_time_limit (0);3. $address = "127.0.0.1";4. Ob_implicit_flush ();5./*6. * Created on 2009-9-147. *8. * To change the template of this generated file go9. * Window-preferences-phpeclipse-php-code Templates10. */11. $port = ' 8083 ';13. if ($sock = Socket_create (Af_inet, Sock_stream, sol_tcp)) echo "Socket_create () Failed:reason:". Socket_strerror ($sock). "\ n";16.}17

]) 24 ) + ( ord ( $head [ 1 ]) 16 ) + ( ord ( $head [ 2 ]) 8 ) + ord ( $head [ 3 ]); $content =@socket_read($socket,$len-4,PHP_NORMAL_READ); socket_close ( $socket ); return substr($content,3); } publicstaticfunction packet($group,$cmd,$message){ $size = strlen($message)+8; $str =''; $str .=self::writeInt($size); $str .=self::writeByte(0); $str .=self::writeByte

PHP uses socket to send HTTP requests, and phpsocket to send requests. PHP uses socket to send HTTP requests. phpsocket to send requests this article describes how PHP uses socket to send HTTP requests. For your reference, the details are as follows: so PHP uses socket to send HTTP requests, and phpsocket to send reque

function to receive the request to send SYN K to the client, ACK j+ 1, then accept into the blocking state, the client receives the server SYN K, after the ACK j+1, then connect returns, and the Syn K Confirmation, the server received an ACK k+1, accept return, this three times the handshake is completed, the connection is established.Summary: The client's connect returns in the second time of the three handshake, while the server-side accept is returned for the third time in the three-time han

detailed Set some basic variables $host = "192.168.1.99"; $port = 1234; Set timeout time set_time_limit (0); Create a socket $socket = socket_create (af_inet, sock_stream, 0) or die ("could not createsocket\n"); Bind socket to port $result = Socket_bind ($socket, $h

); outputStream. flush (); outputStream. close ();} catch (IOExcep Tion e) {e. printStackTrace ();} handler. post (new Runnable () {@ Override public void run () {textView. append ("sent successfully:" + text + "\ n ");}});}}). start ();} private void connectThread () {new Thread (new Runnable () {@ Override public void run () {try {ClientSocket = new Socket ("10.0.2.2 ", 9001); if (ClientSocket. isConnecte

Socket programming, socket I. Data Types and related functions of socket addresses Socket API is an abstract network programming interface that is applicable to various underlying network protocols, such as IPv4, IPv6, and UNIX Domain Socket. However, the address formats of

Socket Usage Details, Socket Usage Details Client Package Text; import java. io. bufferedReader; import java. io. bufferedWriter; import java. io. IOException; import java. io. inputStreamReader; import java. io. outputStreamWriter; import java.net. socket; import java.net. unknownHostException;/***** client */public class Client1 {public static void main (Strin

13 14 15 16 17 18 19 20 21 22 23 /*************************************** **********************************> File name: byteorder. c> Author: Simba> Mail: dameng34@163.com> Created time: Fri 01 Mar 2013 04:16:08 pm CST**************************************** ********************************/# Include # Include Int main (void){Unsigned int x = 0x12345678;Unsigned char * P = (unsigned char *) X;Printf ("% x \

module documentation provided in the echoserver is used pipe, to see it.Echoclient Code AnalysisEchoclient.js: var net = require ("NET"), var readline = require (' ReadLine '); Console.log (' type ' "Exit" or "quit" to quit. '); /sock is an instance of net. Socketvar sock = Net.connect ({port:7}, function () {console.log (' server Connected '); Sock.setencoding (' UTF8 '); Sock.write (' Hello Echo server\r\n ');}); Sock.on (' Data ', function (dat

$url = "www.baidu.com"; Domain name $path = "/"; Path $type = "GET"; Request method Error_reporting (E_all); echo " TCP/IP Connection\ n "; /* Get the port number */ $service _port = getservbyname (' www ', ' tcp '); /* Get the IP address. */ $address = gethostbyname ($url); /* Create a TCP/IP socket. */ $socket = Socket_create (Af_inet, Sock_stream, sol_tcp); if

socketphp The relevant code is as follows, $socket =socket_create (Af_inet,sock_stream, $commonProtocol) or die("cannot create socket\n"); //绑定socket到端口 $result=socket_bind($socket,$host,$port) or die("cannot bind port to socket