DnsClient refactoring + features (timeout, suffix search, server rotation).

net/dns/async_host_resolver.h

Index: net/dns/async_host_resolver.h
diff --git a/net/dns/async_host_resolver.h b/net/dns/async_host_resolver.h
index e8aeb8b90583685dd1a86bb9fb87c4d58d2f63ec..fd19081fb727c1f0d07497a8ad03ab4e264db7e0 100644
--- a/net/dns/async_host_resolver.h
+++ b/net/dns/async_host_resolver.h
@@ -28,7 +28,7 @@ class NET_EXPORT AsyncHostResolver
   AsyncHostResolver(size_t max_dns_requests,
                     size_t max_pending_requests,
                     HostCache* cache,
-                    DnsClient* client,
+                    scoped_ptr<DnsClient> client,
                     NetLog* net_log);
   virtual ~AsyncHostResolver();
 
@@ -46,9 +46,9 @@ class NET_EXPORT AsyncHostResolver
   virtual AddressFamily GetDefaultAddressFamily() const OVERRIDE;
   virtual HostCache* GetHostCache() OVERRIDE;
 
-  void OnDnsRequestComplete(DnsClient::Request* request,
-                            int result,
-                            const DnsResponse* transaction);
+  void OnDnsTransactionComplete(DnsTransaction* transaction,
+                                int result,
+                                const DnsResponse* response);
 
  private:
   FRIEND_TEST_ALL_PREFIXES(AsyncHostResolverTest, QueuedLookup);
@@ -64,7 +64,7 @@ class NET_EXPORT AsyncHostResolver
 
   typedef std::pair<std::string, uint16> Key;
   typedef std::list<Request*> RequestList;
-  typedef std::list<const DnsClient::Request*> DnsRequestList;
+  typedef std::list<const DnsTransaction*> DnsRequestList;

[cbentzel, 2012/01/13 13:39:54]

DnsTransactionList?

[mmenke, 2012/01/13 16:44:37]

nit:  DnsTransactionList

   typedef std::map<Key, RequestList> KeyRequestListMap;
 
   // Create a new request for the incoming Resolve() call.
@@ -126,7 +126,7 @@ class NET_EXPORT AsyncHostResolver
   // Cache of host resolution results.
   scoped_ptr<HostCache> cache_;
 
-  DnsClient* client_;
+  scoped_ptr<DnsClient> client_;
 
   NetLog* net_log_;