Redis Starter C

server.c

#include <stdio.h>
#include <stdlib.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netinet/ip.h>
#include <string.h>
#include <errno.h>
#include <unistd.h>

int main() {
	// Disable output buffering
	setbuf(stdout, NULL);

	printf("Implement your program here!\n");

	int server_fd, client_addr_len;
	struct sockaddr_in client_addr;

	server_fd = socket(AF_INET, SOCK_STREAM, 0);
	if (server_fd == -1) {
		printf("Socket creation failed: %s...\n", strerror(errno));
		exit(1);
	}

	int reuse = 1;
	if (setsockopt(server_fd, SOL_SOCKET, SO_REUSEPORT, (const char*)&reuse, sizeof(reuse)) < 0) {
		printf("SO_REUSEPORT failed: %s \n", strerror(errno));
		return -1;
	}

	struct sockaddr_in serv_addr = { .sin_family = AF_INET ,
									 .sin_port = htons(6379),
									 .sin_addr = { htonl(INADDR_ANY) },
									};

	if (bind(server_fd, (struct sockaddr *) &serv_addr, sizeof(serv_addr)) != 0) {
		printf("Bind failed: %s \n", strerror(errno));
		exit(1);
	}

	if ((listen(server_fd, 5)) != 0) {
		printf("Listen failed: %s \n", strerror(errno));
		exit(1);
	}



	printf("Waiting for a client to connect...\n");
	client_addr_len = sizeof(client_addr);

	accept(server_fd, (struct sockaddr *) &client_addr, &client_addr_len);
	printf("Client connected\n");

	close(server_fd);

	return 0;
}