what happen if i set a queue amount of available connections (second parameter in listen()) and then create more connection :
If i run this program in the first time nothing wired happens (all goes as planed).
but if run this same program again im unable to connect (get "Connection refused" error) .
the client is telnet
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int sockfd , newfd; // The file discriptor
int fd ;
struct sockaddr_in my_addr ;
struct sockaddr_in their_addr ;
int i = 0;
sockfd = socket(PF_INET , SOCK_STREAM , 0);
* 0 will make socket to choose the protocol tru the protocol
my_addr.sin_family = AF_INET;
my_addr.sin_port = htons(12345);
my_addr.sin_addr.s_addr = INADDR_ANY;// connect on any ip ?
memset(my_addr.sin_zero, '\0',sizeof my_addr.sin_zero);
bind(sockfd , (struct sockaddr * )&my_addr , sizeof my_addr);//So bind was done ..
listen(sockfd , 2); // I will listn only for two connection but what if i connect more times ?
for ( i = 0 ; i < 5; i++)
fd[i] = accept(sockfd , (struct sockaddr *) &their_addr, &sin_size);
send(fd[i] , inet_ntoa(their_addr.sin_addr) , strlen ( inet_ntoa(their_addr.sin_addr) ) , 0); //Just send the connecter his ip.