Diff: MyNetDnsRequest.cpp

Revision:

1:803123933c5a

Parent:

0:61831b843b44

Child:

2:a8df39b4f3aa

--- a/MyNetDnsRequest.cpp	Sat Apr 14 17:21:11 2012 +0000
+++ b/MyNetDnsRequest.cpp	Tue Apr 17 12:13:15 2012 +0000
@@ -1,9 +1,10 @@
-// MyNetDnsRequest.cpp 2012/4/13
+// MyNetDnsRequest.cpp 2012/4/16
 #include "mbed.h"
 #include "MyNetDnsRequest.h"
 #include "UDPSocket.h"
 #include <string>
 #include "dnsname.h"
+#include "w5200NetIf.h"
 
 //#define DEBUG
 
@@ -120,8 +121,13 @@
         m_udp = new UDPSocket;
     }
     m_udp->setOnEvent(this, &MyNetDnsRequest::callback);
-    Host local(IpAddr(0,0,0,0), 1243);
-    Host server(IpAddr(8,8,8,8), 53); // DNS
+    Host local(IpAddr(0,0,0,0), 1024 + rand()&0x7fff);
+    IpAddr dns(8,8,8,8);
+    NetIf* pIf = Net::getDefaultIf();
+    if (pIf) {
+        dns = ((w5200NetIf*)pIf)->m_dns;
+    }
+    Host server(dns, 53); // DNS
     m_udp->bind(local);
     uint8_t buf[256];                
     int size = query(buf, sizeof(buf), hostname);