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#include <string.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <stdio.h>
#include "asyncns.h"
int main(int argc, char *argv[]) {
asyncns_t* asyncns = NULL;
asyncns_query_t *q1, *q2;
int r = 1, ret;
struct addrinfo *ai, hints;
struct sockaddr_in sa;
char host[NI_MAXHOST] = "", serv[NI_MAXSERV] = "";
memset(&hints, 0, sizeof(hints));
hints.ai_family = PF_UNSPEC;
hints.ai_socktype = SOCK_STREAM;
if (!(asyncns = asyncns_new(5))) {
fprintf(stderr, "asyncns_new() failed\n");
goto fail;
}
memset(&sa, 0, sizeof(sa));
sa.sin_family = AF_INET;
sa.sin_addr.s_addr = inet_addr("192.168.50.1");
sa.sin_port = htons(80);
q1 = asyncns_getaddrinfo(asyncns, argc >= 2 ? argv[1] : "www.heise.de", NULL, &hints);
q2 = asyncns_getnameinfo(asyncns, (struct sockaddr*) &sa, sizeof(sa), 0, 1, 1);
while (!asyncns_isdone(asyncns, q1) || !asyncns_isdone(asyncns, q2)) {
if (asyncns_wait(asyncns, 1) < 0)
goto fail;
}
ret = asyncns_getaddrinfo_done(asyncns, q1, &ai);
if (ret)
fprintf(stderr, "error: %s %i\n", gai_strerror(ret), ret);
else {
struct addrinfo *i;
for (i = ai; i; i = i->ai_next) {
char t[256];
const char *p = NULL;
if (i->ai_family == PF_INET)
p = inet_ntop(AF_INET, &((struct sockaddr_in*) i->ai_addr)->sin_addr, t, sizeof(t));
else if (i->ai_family == PF_INET6)
p = inet_ntop(AF_INET6, &((struct sockaddr_in6*) i->ai_addr)->sin6_addr, t, sizeof(t));
printf("%s\n", p);
}
asyncns_freeaddrinfo(ai);
}
ret = asyncns_getnameinfo_done(asyncns, q2, host, sizeof(host), serv, sizeof(serv));
if (ret)
fprintf(stderr, "error: %s %i\n", gai_strerror(ret), ret);
else {
printf("%s -- %s\n", host, serv);
}
r = 0;
fail:
if (asyncns)
asyncns_free(asyncns);
return r;
}
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