Index: net/dns/dns_client.h |
diff --git a/net/dns/dns_client.h b/net/dns/dns_client.h |
deleted file mode 100644 |
index b2e3c0ac74be0068bb3f8d4758f7473d2d6cdd0e..0000000000000000000000000000000000000000 |
--- a/net/dns/dns_client.h |
+++ /dev/null |
@@ -1,90 +0,0 @@ |
-// Copyright (c) 2011 The Chromium Authors. All rights reserved. |
-// Use of this source code is governed by a BSD-style license that can be |
-// found in the LICENSE file. |
- |
-#ifndef NET_DNS_DNS_CLIENT_H_ |
-#define NET_DNS_DNS_CLIENT_H_ |
-#pragma once |
- |
-#include <string> |
- |
-#include "base/basictypes.h" |
-#include "base/callback.h" |
-#include "base/memory/weak_ptr.h" |
-#include "base/string_piece.h" |
-#include "net/base/net_export.h" |
- |
-namespace net { |
- |
-class BoundNetLog; |
-class ClientSocketFactory; |
-class DnsResponse; |
-class DnsSession; |
- |
-// DnsClient performs asynchronous DNS queries. DnsClient takes care of |
-// retransmissions, DNS server fallback (or round-robin), suffix search, and |
-// simple response validation ("does it match the query") to fight poisoning. |
-// It does NOT perform caching, aggregation or prioritization of requests. |
-// |
-// Destroying DnsClient does NOT affect any already created Requests. |
-// |
-// TODO(szym): consider adding flags to MakeRequest to indicate options: |
-// -- don't perform suffix search |
-// -- query both A and AAAA at once |
-// -- accept truncated response (and/or forbid TCP) |
-class NET_EXPORT_PRIVATE DnsClient { |
- public: |
- class Request; |
- // Callback for complete requests. Note that DnsResponse might be NULL if |
- // the DNS server(s) could not be reached. |
- typedef base::Callback<void(Request* req, |
- int result, |
- const DnsResponse* resp)> RequestCallback; |
- |
- // A data-holder for a request made to the DnsClient. |
- // Destroying the request cancels the underlying network effort. |
- class NET_EXPORT_PRIVATE Request { |
- public: |
- Request(const base::StringPiece& qname, |
- uint16 qtype, |
- const RequestCallback& callback); |
- virtual ~Request(); |
- |
- const std::string& qname() const { return qname_; } |
- |
- uint16 qtype() const { return qtype_; } |
- |
- virtual int Start() = 0; |
- |
- void DoCallback(int result, const DnsResponse* response) { |
- callback_.Run(this, result, response); |
- } |
- |
- private: |
- std::string qname_; |
- uint16 qtype_; |
- RequestCallback callback_; |
- |
- DISALLOW_COPY_AND_ASSIGN(Request); |
- }; |
- |
- virtual ~DnsClient() {} |
- |
- // Makes asynchronous DNS query for the given |qname| and |qtype| (assuming |
- // QCLASS == IN). The caller is responsible for destroying the returned |
- // request whether to cancel it or after its completion. |
- // (Destroying DnsClient does not abort the requests.) |
- virtual Request* CreateRequest( |
- const base::StringPiece& qname, |
- uint16 qtype, |
- const RequestCallback& callback, |
- const BoundNetLog& source_net_log) WARN_UNUSED_RESULT = 0; |
- |
- // Creates a socket-based DnsClient using the |session|. |
- static DnsClient* CreateClient(DnsSession* session) WARN_UNUSED_RESULT; |
-}; |
- |
-} // namespace net |
- |
-#endif // NET_DNS_DNS_CLIENT_H_ |
- |