* replace AF_UNSPEC by AVAHI_PROTO_UNSPEC in client-test.c

[catta] / avahi-core / addr-util.c

diff --git a/avahi-core/addr-util.c b/avahi-core/addr-util.c
new file mode 100644 (file)
index 0000000..7b9bb03
--- /dev/null
+++ b/avahi-core/addr-util.c
@@ -0,0 +1,79 @@
+/* $Id$ */
+
+/***
+  This file is part of avahi.
+ 
+  avahi is free software; you can redistribute it and/or modify it
+  under the terms of the GNU Lesser General Public License as
+  published by the Free Software Foundation; either version 2.1 of the
+  License, or (at your option) any later version.
+ 
+  avahi is distributed in the hope that it will be useful, but WITHOUT
+  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+  or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
+  Public License for more details.
+ 
+  You should have received a copy of the GNU Lesser General Public
+  License along with avahi; if not, write to the Free Software
+  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+  USA.
+***/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <netinet/in.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <arpa/inet.h>
+#include <string.h>
+#include <assert.h>
+
+#include "addr-util.h"
+
+AvahiAddress *avahi_address_from_sockaddr(const struct sockaddr* sa, AvahiAddress *ret_addr) {
+    assert(sa);
+    assert(ret_addr);
+
+    assert(sa->sa_family == AF_INET || sa->sa_family == AF_INET6);
+
+    ret_addr->proto = avahi_af_to_proto(sa->sa_family);
+
+    if (sa->sa_family == AF_INET)
+        memcpy(&ret_addr->data.ipv4, &((const struct sockaddr_in*) sa)->sin_addr, sizeof(ret_addr->data.ipv4));
+    else
+        memcpy(&ret_addr->data.ipv6, &((const struct sockaddr_in6*) sa)->sin6_addr, sizeof(ret_addr->data.ipv6));
+
+    return ret_addr;
+}
+
+uint16_t avahi_port_from_sockaddr(const struct sockaddr* sa) {
+    assert(sa);
+
+    assert(sa->sa_family == AF_INET || sa->sa_family == AF_INET6);
+
+    if (sa->sa_family == AF_INET)
+        return ntohs(((const struct sockaddr_in*) sa)->sin_port);
+    else
+        return ntohs(((const struct sockaddr_in6*) sa)->sin6_port);
+}
+
+int avahi_address_is_ipv4_in_ipv6(const AvahiAddress *a) {
+
+    static const uint8_t ipv4_in_ipv6[] = {
+        0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00,
+        0xFF, 0xFF, 0xFF, 0xFF
+    };
+    
+    assert(a);
+
+    if (a->proto != AVAHI_PROTO_INET6)
+        return 0;
+
+    return memcmp(a->data.ipv6.address, ipv4_in_ipv6, sizeof(ipv4_in_ipv6)) == 0;
+}
+
+
+