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