A lot of updates

2019-10-26 01:51:19 +02:00
parent 53d3814f92
commit b956bad3f7
1039 changed files with 0 additions and 262642 deletions
@@ -1,110 +0,0 @@
-#include <event2/dns.h>
-#include <event2/util.h>
-#include <event2/event.h>
-
-#include <sys/socket.h>
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <assert.h>
-
-int n_pending_requests = 0;
-struct event_base *base = NULL;
-
-struct user_data {
-	char *name; /* the name we're resolving */
-	int idx; /* its position on the command line */
-};
-
-void callback(int errcode, struct evutil_addrinfo *addr, void *ptr)
-{
-	struct user_data *data = (user_data*) ptr;
-	const char *name = data->name;
-	if (errcode) {
-		printf("%d. %s -> %s\n", data->idx, name, evutil_gai_strerror(errcode));
-	} else {
-		struct evutil_addrinfo *ai;
-		printf("%d. %s", data->idx, name);
-		if (addr->ai_canonname)
-			printf(" [%s]", addr->ai_canonname);
-		puts("");
-		for (ai = addr; ai; ai = ai->ai_next) {
-			char buf[128];
-			const char *s = NULL;
-			if (ai->ai_family == AF_INET) {
-				struct sockaddr_in *sin = (struct sockaddr_in *)ai->ai_addr;
-				s = evutil_inet_ntop(AF_INET, &sin->sin_addr, buf, 128);
-			} else if (ai->ai_family == AF_INET6) {
-				struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)ai->ai_addr;
-				s = evutil_inet_ntop(AF_INET6, &sin6->sin6_addr, buf, 128);
-			}
-			if (s)
-				printf("    -> %s\n", s);
-		}
-		evutil_freeaddrinfo(addr);
-	}
-	free(data->name);
-	free(data);
-	if (--n_pending_requests == 0)
-		event_base_loopexit(base, NULL);
-}
-
-/* Take a list of domain names from the command line and resolve them in
- * parallel. */
-int main(int argc, char **argv)
-{
-	int i;
-	struct evdns_base *dnsbase;
-
-	if (argc == 1) {
-		puts("No addresses given.");
-		return 0;
-	}
-	base = event_base_new();
-	if (!base)
-		return 1;
-	dnsbase = evdns_base_new(base, 1);
-	if (!dnsbase)
-		return 2;
-
-	for (i = 1; i < argc; ++i) {
-		struct evutil_addrinfo hints;
-		struct evdns_getaddrinfo_request *req;
-		struct user_data *user_data;
-		memset(&hints, 0, sizeof(hints));
-		hints.ai_family = AF_UNSPEC;
-		hints.ai_flags = EVUTIL_AI_CANONNAME;
-		/* Unless we specify a socktype, we'll get at least two entries for
-		 * each address: one for TCP and one for UDP. That's not what we
-		 * want. */
-		hints.ai_socktype = SOCK_STREAM;
-		hints.ai_protocol = IPPROTO_UDP;
-
-		if (!(user_data = (struct user_data*) malloc(sizeof(struct user_data)))) {
-			perror("malloc");
-			exit(1);
-		}
-		if (!(user_data->name = strdup(argv[i]))) {
-			perror("strdup");
-			exit(1);
-		}
-		user_data->idx = i;
-
-		++n_pending_requests;
-		req = evdns_getaddrinfo(dnsbase, argv[i], "_ts3" /* no service name given */, &hints, callback, user_data);
-		if (req == NULL) {
-			printf("    [request for %s returned immediately]\n", argv[i]);
-			/* No need to free user_data or decrement n_pending_requests; that
-			 * happened in the callback. */
-		}
-	}
-
-	if (n_pending_requests)
-		event_base_dispatch(base);
-
-	evdns_base_free(dnsbase, 0);
-	event_base_free(base);
-
-	return 0;
-}