Server coté -- BENABDEJLIL OMAR

//--------------- server ------------------------
// Author : benabdejlil omar  ----------------


#include<stdio.h>
#include<string.h>  //strlen
#include<stdlib.h>  //strlen
#include<sys/socket.h>
#include<arpa/inet.h>//inet_addr
#include<unistd.h>  //write
#include<pthread.h>//forthreading,linkwithlpthread


void *connection_handler(void*);

int main(int argc,char *argv[])
{
int socket_desc,client_sock,c;
struct sockaddr_in server,client;
//--------------creation du socket ---------------
socket_desc=socket(AF_INET,SOCK_STREAM,0);
if(socket_desc==-1)
{
printf("Couldnotcreatesocket");
}
puts("Socketcreated");
//----------preparation d'instructure : parametre de la socket -------------
server.sin_family=AF_INET;
server.sin_addr.s_addr=INADDR_ANY;
server.sin_port=htons(8888);
//Bind
if(bind(socket_desc,(struct sockaddr*)&server,sizeof(server))<0)
{
//--------- afficher le mesage  d'error --------------
perror("bindfailed.Error");
return 1;
}
puts("binddone");
//------------------ecouter ----------
listen(socket_desc,3);
//----------------accepter les connection a partir du client------------------
puts("Waitingforincomingconnections...");
c=sizeof(struct sockaddr_in);
puts("Waitingforincomingconnections...");
c=sizeof(struct sockaddr_in);
pthread_t thread_id;
while((client_sock=accept(socket_desc,(struct sockaddr*)&client,(socklen_t*)&c)))
{
    puts("Connectionaccepted");


if(pthread_create(&thread_id,NULL,  connection_handler,(void*)&client_sock)<0){

perror("couldnotcreatethread");
return 1;
}
{
//-------- assigne le thread pour chaque client -------------
puts("Handlerassigned");
}}
if(client_sock<0)
{
    perror("acceptfailed");
    return 1;
}
{
    return 0;
}
/*
-------------handle chaque client icii -----------------------
* */
void *connection_handler(void*socket_desc)
{
//Getthesocketdescriptor
int sock=*(int*)socket_desc;
int read_size;
char*message,client_message[2000];

//----envoyer un message a client ---------------------
message="Greetings!Iamyourconnectionhandler\n";
write(sock,message,strlen(message));
message="Nowtypesomethingandishallrepeatwhatyoutype\n";
write(sock,message,strlen(message));
//Receiveamessagefromclient
while((read_size=recv(sock,client_message,2000,0))>0)
{
//endofstringmarker
client_message[read_size]='\0';
//Sendthemessagebacktoclient
write(sock,client_message,strlen(client_message));
//clearthemessagebuffer
memset(client_message,0,2000);
}
if(read_size==0)
{
puts("Clientdisconnected");
fflush(stdout);
}
else if(read_size==-1)
{
perror("recvfailed");
}
return 0;
}}