DNS seeding

net.cpp

@@ -857,7 +857,34 @@ void ThreadSocketHandler2(void* parg)
 
 
 
+static const char *strDNSSeed[] = {
+    "bitseed.xf2.org",
+};
 
+void DNSAddressSeed()
+{
+    int found = 0;
+
+    printf("Loading addresses from DNS seeds (could take a while)\n");
+
+    for (int seed_idx = 0; seed_idx < ARRAYLEN(strDNSSeed); seed_idx++) {
+        struct hostent* phostent = gethostbyname(strDNSSeed[seed_idx]);
+        if (!phostent)
+            continue;
+
+        for (int host = 0; phostent->h_addr_list[host] != NULL; host++) {
+            CAddress addr(*(unsigned int*)phostent->h_addr_list[host],
+                          GetDefaultPort(), NODE_NETWORK);
+            addr.nTime = 0;
+            if (addr.IsValid() && addr.GetByte(3) != 127) {
+                AddAddress(addr);
+                found++;
+            }
+        }
+    }
+
+    printf("%d addresses found from DNS seeds\n");
+}