// Server side C/C++ program to demonstrate Socket // programming #include #include #include #include #include #include #include #define PORT 8080 int main(int argc, char const* argv[]) { int server_fd, new_socket, valread; struct sockaddr_in address; int opt = 1; int addrlen = sizeof(address); char buffer[1024] = { 0 }; const char* hello = "Hello from server"; // Creating socket file descriptor if ((server_fd = socket(AF_INET, SOCK_STREAM, 0)) < 0) { perror("socket failed"); exit(EXIT_FAILURE); } // Forcefully attaching socket to the port 8080 if (setsockopt(server_fd, SOL_SOCKET, SO_REUSEADDR | SO_REUSEPORT, &opt, sizeof(opt))) { perror("setsockopt"); exit(EXIT_FAILURE); } std::cout << PORT << std::endl; address.sin_family = AF_INET; address.sin_addr.s_addr = INADDR_ANY; address.sin_port = htons(PORT); // Forcefully attaching socket to the port 8080 if (bind(server_fd, (struct sockaddr*)&address, sizeof(address)) < 0) { perror("bind failed"); exit(EXIT_FAILURE); } if (listen(server_fd, 3) < 0) { perror("listen"); exit(EXIT_FAILURE); } if ((new_socket = accept(server_fd, (struct sockaddr*)&address, (socklen_t*)&addrlen)) < 0) { perror("accept"); exit(EXIT_FAILURE); } // valread = read(new_socket, buffer, 1024); // printf("%s\n", buffer); // send(new_socket, hello, strlen(hello), 0); // printf("Hello message sent\n"); // // closing the connected socket // close(new_socket); // // closing the listening socket // shutdown(server_fd, SHUT_RDWR); return 0; }