initial commit

[catta] / address.c

diff --git a/address.c b/address.c
new file mode 100644 (file)
index 0000000..633f40e
--- /dev/null
+++ b/address.c
@@ -0,0 +1,80 @@
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <arpa/inet.h>
+#include <string.h>
+
+#include "address.h"
+
+guint flx_address_get_size(const flxAddress *a) {
+    g_assert(a);
+
+    if (a->family == AF_INET)
+        return 4;
+    else if (a->family == AF_INET6)
+        return 16;
+
+    return 0;
+}
+
+gint flx_address_cmp(const flxAddress *a, const flxAddress *b) {
+    g_assert(a);
+    g_assert(b);
+    
+    if (a->family != b->family)
+        return -1;
+
+    return memcmp(a, b, flx_address_get_size(a));
+}
+
+gchar *flx_address_snprint(char *s, guint length, const flxAddress *a) {
+    g_assert(s);
+    g_assert(length);
+    g_assert(a);
+    return (gchar*) inet_ntop(a->family, a->data, s, length);
+}
+
+gchar* flx_reverse_lookup_name(const flxAddress *a) {
+    g_assert(a);
+
+    if (a->family == AF_INET) {
+        guint32 n = ntohl(a->ipv4.address);
+        return g_strdup_printf("%u.%u.%u.%u.in-addr.arpa", n & 0xFF, (n >> 8) & 0xFF, (n >> 16) & 0xFF, n >> 24);
+    } else if (a->family == AF_INET6) {
+        
+        return g_strdup_printf("%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.%x.ip6.int",
+                               a->ipv6.address[15] & 0xF,
+                               a->ipv6.address[15] >> 4,
+                               a->ipv6.address[14] & 0xF,
+                               a->ipv6.address[14] >> 4,
+                               a->ipv6.address[13] & 0xF,
+                               a->ipv6.address[13] >> 4,
+                               a->ipv6.address[12] & 0xF,
+                               a->ipv6.address[12] >> 4,
+                               a->ipv6.address[11] & 0xF,
+                               a->ipv6.address[11] >> 4,
+                               a->ipv6.address[10] & 0xF,
+                               a->ipv6.address[10] >> 4,
+                               a->ipv6.address[9] & 0xF,
+                               a->ipv6.address[9] >> 4,
+                               a->ipv6.address[8] & 0xF,
+                               a->ipv6.address[8] >> 4,
+                               a->ipv6.address[7] & 0xF,
+                               a->ipv6.address[7] >> 4,
+                               a->ipv6.address[6] & 0xF,
+                               a->ipv6.address[6] >> 4,
+                               a->ipv6.address[5] & 0xF,
+                               a->ipv6.address[5] >> 4,
+                               a->ipv6.address[4] & 0xF,
+                               a->ipv6.address[4] >> 4,
+                               a->ipv6.address[3] & 0xF,
+                               a->ipv6.address[3] >> 4,
+                               a->ipv6.address[2] & 0xF,
+                               a->ipv6.address[2] >> 4,
+                               a->ipv6.address[1] & 0xF,
+                               a->ipv6.address[1] >> 4,
+                               a->ipv6.address[0] & 0xF,
+                               a->ipv6.address[0] >> 4);
+    }
+
+    return NULL;
+}