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#include <iostream>
#include <cstdlib>
#include <cstring>
#include <sys/socket.h>
#include <netinet/in.h>
#include <unistd.h>
#include <ctime>
#define PORT 8080
int main() {
int server_fd, new_socket;
struct sockaddr_in address;
int opt = 1;
int addrlen = sizeof(address);
srand(time(0));
if ((server_fd = socket(AF_INET, SOCK_STREAM, 0)) == 0) {
perror("socket failed");
exit(EXIT_FAILURE);
}
address.sin_family = AF_INET; // IPv4
address.sin_addr.s_addr = INADDR_ANY;
address.sin_port = htons(PORT);
if (bind(server_fd, (struct sockaddr *)&address, sizeof(address)) < 0) {
perror("bind failed");
close(server_fd);
exit(EXIT_FAILURE);
}
if (listen(server_fd, 3) < 0) {
perror("listen failed");
close(server_fd);
exit(EXIT_FAILURE);
}
std::cout << "Server is listening on port " << PORT << std::endl;
if ((new_socket = accept(server_fd, (struct sockaddr *)&address, (socklen_t*)&addrlen)) < 0) {
perror("accept failed");
close(server_fd);
exit(EXIT_FAILURE);
}
while (true) {
int random_number = rand() % 100;
if (write(new_socket, &random_number, sizeof(random_number)) == -1) {
perror("write failed");
close(new_socket);
close(server_fd);
exit(EXIT_FAILURE);
}
std::cout << "Sent: " << random_number << std::endl;
sleep(1);
}
close(new_socket);
close(server_fd);
return 0;
}