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CPP Program For Simple Message Passing: |
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Server Program:-
#include
#include
#include
include
#include
#include
#include
#include
#include
#include
#defineMAX 100
int cwork(int);
intmain()
{
int sockmain,sockclient,child;
struct sockaddr_in serv;
char str[100];
int port=4056;
if((sockmain=socket(AF_INET,SOCK_STREAM,0))<0)
{
cout<<"server cannot open main socket!";
exit(0);
}
bzero(&serv,sizeof(serv));
serv.sin_family=AF_INET;
serv.sin_addr.s_addr=htonl(INADDR_ANY);
serv.sin_port=htons(port);
if((bind(sockmain,struct sockaddr*)&serv,sizeof(serv)))<0)
{
cout<<"server bind failed!",
exit(0);
listen(sockmain,15);
for(;;)
{
if((sockclient=accept(sockmain,struct sockaddr*)NULL,0))<0)
{
cout<<"bad client socket";
exit(1);
}
if((child=fork())<0)
{
cout<<"failed to create child";
exit(1);
}
else if (child==0)
{
close(sockmain);
cwork(sockclient);
close(sockclient);
exit(0);
}
}
#define LEN 81
int cwork(int sockclient)
{
char buf[LEN];
int msglen;
bzero(buf,LEN);
if(msglen=recv(sockclient,buf,LEN,0))<0)
{
cout<<"Bad recv by chile";
exit(1);
}
cout<<"\nsocket used:"<
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#define MAX 100
main(int argc,char**argv)
{
int sockfd,n;
char str[100];
struct sockaddr_inserv;
if(argc!=3)
{
printf("\nError! usage:./a.out\n");
exit(0);
}
if(sockfd=socket(AF_INET
SAMPLE INPUT OUTPUT:
Server Side
[cseb58@localhost cseb58]$ c++server.cpp
[cseb58@localhost cseb58] $./a.out
[cseb58@localhost cseb58]$./a.out
socket used:4
message:Helloserver
Client Side:
[cseb58@localhost cseb58]$ c++client.cpp]
[cseb58@localhost cseb58]$./a.out 127.0.0.1 5852
connected
enter message to server:Helloserver
from server:message received...
[cseb58@localhost cseb58]$
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