qotd/client/client.c
2021-10-15 14:08:44 +02:00

85 lines
2.0 KiB
C

//
// Created by k0rb4k on 11/10/2021.
//
#include "client.h"
int tcp() {
struct sockaddr_in server;
int sock;
int proto = IPPROTO_IP;
enum __socket_type socketType = SOCK_STREAM;
server.sin_family = AF_INET;
server.sin_addr.s_addr = inet_addr("127.0.0.1");
server.sin_port = htons(17);
sock = socket(server.sin_family, socketType, proto);
if (sock == -1) {
puts("socket not created");
return 1;
}
puts("socket created");
if (connect(sock, (const struct sockaddr *) &server, sizeof(server)) < 0) {
puts("connection failed");
return 2;
}
puts("connected to server");
char *payload = "I dream of sushi";
if (send(sock, payload, strlen(payload), 0) < 0) {
puts("error while sending payload");
return 3;
}
puts("payload sent");
char response[2048];
if (recv(sock, response, 2048, 0) < 0) {
puts("receive failed");
return 4;
}
printf("server response : %s\n", response);
close(sock);
return 0;
}
int udp() {
struct sockaddr_in server;
int sock;
int proto = IPPROTO_UDP;
enum __socket_type socketType = SOCK_DGRAM;
server.sin_family = AF_INET;
server.sin_addr.s_addr = inet_addr("127.0.0.1");
server.sin_port = htons(17);
sock = socket(server.sin_family, socketType, proto);
if (sock == -1) {
puts("socket not created");
return 1;
}
puts("socket created");
char *payload = "I dream of sushi";
if (sendto(sock, payload, strlen(payload), 0, (const struct sockaddr *) &server, sizeof server) < 0) {
puts("error while sending payload");
return 3;
}
puts("payload sent");
char response[2048];
if (recvfrom(sock, response, 2048, 0, (struct sockaddr *) &server, (socklen_t *) sizeof server) < 0) {
puts("receive failed");
return 4;
}
printf("server response : %s\n", response);
close(sock);
return 0;
}