You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

87 lines
1.8 KiB

5 years ago
#include <unistd.h>
#include <stdio.h>
#include <sys/socket.h>
#include <stdlib.h>
#include <netinet/in.h>
#include <strings.h>
void doprocessing (int sock) {
int n;
char buffer[256];
bzero(buffer,256);
while(1) {
n = read(sock,buffer,255);
if (n < 0) {
perror("ERROR reading from socket");
exit(1);
}
printf("Here is the message: %s\n",buffer);
n = write(sock,"I got your message",18);
if (n < 0) {
perror("ERROR writing to socket");
exit(1);
}
}
}
int main() {
int port = 5001;
struct sockaddr_in address;
int clilen = sizeof(address);
address.sin_family = AF_INET;
address.sin_addr.s_addr = INADDR_ANY;
address.sin_port = htons(port);
int socketHandler = socket(AF_INET, SOCK_STREAM, 0);
if (socketHandler == 0) {
printf("SOCKET FAILED!\n");
return 1;
} else {
printf("SETUP SOCKET!\n");
}
int bindRes = bind(socketHandler, (struct sockaddr *)&address, sizeof(address));
if(bindRes < 0) {
printf("BIND FAILED! CODE: %d\n", bindRes);
} else {
printf("BINDED SOCKET!\n");
}
listen(socketHandler, 5);
while(1) {
int newsockfd = accept(socketHandler, (struct sockaddr *) &address, &clilen);
if (newsockfd < 0) {
printf("ERROR LISTENING!\n");
exit(1);
}
int pid = fork();
if (pid == 0) {
printf("NEW CLIENT!\n");
doprocessing(newsockfd);
exit(0);
}
}
return 0;
}