47 lines
1.2 KiB
C
47 lines
1.2 KiB
C
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#include <arpa/inet.h>
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#include <netinet/in.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/socket.h>
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#include <sys/types.h>
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void handle_arguments(int argc, char *argv[]) {
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if (argc != 2) {
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fprintf(stderr, "Usage: %s QUERRY\n", argv[0]);
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exit(EXIT_FAILURE);
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}
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if (strlen(argv[1]) > 100) {
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fprintf(stderr, "QUERRY must not exceed 100 characters!\n");
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exit(EXIT_FAILURE);
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}
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}
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void run_client(char *msg) {
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int sockfd = socket(AF_INET, SOCK_DGRAM, 0);
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if (sockfd < 0) {
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fprintf(stderr, "socket: ");
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exit(EXIT_FAILURE);
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}
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struct sockaddr_in serv_addr;
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memset(&serv_addr, 0, sizeof(serv_addr)); //Clears the memory
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serv_addr.sin_family = AF_INET;
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serv_addr.sin_port = htons(2137);
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serv_addr.sin_addr.s_addr = INADDR_ANY;
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int rv = sendto(sockfd, msg, strlen(msg), 0, (const struct sockaddr *)&serv_addr, sizeof(serv_addr));
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if (rv < 0) {
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fprintf(stderr, "sendto: ");
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exit(EXIT_FAILURE);
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}
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char response[100];
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//rv = recvfrom(sockfd, response, sizeof(response), 0, NULL, NULL);
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}
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int main(int argc, char *argv[]) {
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handle_arguments(argc, argv);
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run_client(argv[1]);
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return 0;
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}
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