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      1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef NET_HTTP_HTTP_PIPELINED_HOST_FORCED_H_
      6 #define NET_HTTP_HTTP_PIPELINED_HOST_FORCED_H_
      7 
      8 #include <string>
      9 
     10 #include "base/basictypes.h"
     11 #include "base/memory/scoped_ptr.h"
     12 #include "net/base/host_port_pair.h"
     13 #include "net/base/net_export.h"
     14 #include "net/http/http_pipelined_connection.h"
     15 #include "net/http/http_pipelined_host.h"
     16 #include "net/http/http_pipelined_host_capability.h"
     17 
     18 namespace base {
     19 class Value;
     20 }
     21 
     22 namespace net {
     23 
     24 class BoundNetLog;
     25 class ClientSocketHandle;
     26 class HttpPipelinedStream;
     27 class ProxyInfo;
     28 struct SSLConfig;
     29 
     30 // Manages a single pipelined connection for requests to a host that are forced
     31 // to use pipelining. Note that this is normally not used. It is intended to
     32 // test the user's connection for pipelining compatibility.
     33 class NET_EXPORT_PRIVATE HttpPipelinedHostForced
     34     : public HttpPipelinedHost,
     35       public HttpPipelinedConnection::Delegate {
     36  public:
     37   HttpPipelinedHostForced(HttpPipelinedHost::Delegate* delegate,
     38                           const Key& key,
     39                           HttpPipelinedConnection::Factory* factory);
     40   virtual ~HttpPipelinedHostForced();
     41 
     42   // HttpPipelinedHost interface
     43   virtual HttpPipelinedStream* CreateStreamOnNewPipeline(
     44       ClientSocketHandle* connection,
     45       const SSLConfig& used_ssl_config,
     46       const ProxyInfo& used_proxy_info,
     47       const BoundNetLog& net_log,
     48       bool was_npn_negotiated,
     49       NextProto protocol_negotiated) OVERRIDE;
     50 
     51   virtual HttpPipelinedStream* CreateStreamOnExistingPipeline() OVERRIDE;
     52 
     53   virtual bool IsExistingPipelineAvailable() const OVERRIDE;
     54 
     55   virtual const Key& GetKey() const OVERRIDE;
     56 
     57   virtual base::Value* PipelineInfoToValue() const OVERRIDE;
     58 
     59   // HttpPipelinedConnection::Delegate interface
     60 
     61   virtual void OnPipelineHasCapacity(
     62       HttpPipelinedConnection* pipeline) OVERRIDE;
     63 
     64   virtual void OnPipelineFeedback(
     65       HttpPipelinedConnection* pipeline,
     66       HttpPipelinedConnection::Feedback feedback) OVERRIDE;
     67 
     68  private:
     69   // Called when a pipeline is empty and there are no pending requests. Closes
     70   // the connection.
     71   void OnPipelineEmpty(HttpPipelinedConnection* pipeline);
     72 
     73   HttpPipelinedHost::Delegate* delegate_;
     74   const Key key_;
     75   scoped_ptr<HttpPipelinedConnection> pipeline_;
     76   scoped_ptr<HttpPipelinedConnection::Factory> factory_;
     77 
     78   DISALLOW_COPY_AND_ASSIGN(HttpPipelinedHostForced);
     79 };
     80 
     81 }  // namespace net
     82 
     83 #endif  // NET_HTTP_HTTP_PIPELINED_HOST_FORCED_H_
     84