Land Recent QUIC Changes

net/tools/quic/quic_in_memory_cache.h

 // Copyright (c) 2012 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_TOOLS_QUIC_QUIC_IN_MEMORY_CACHE_H_
 #define NET_TOOLS_QUIC_QUIC_IN_MEMORY_CACHE_H_
 
 #include <string>
 
 #include "base/containers/hash_tables.h"
 #include "base/memory/singleton.h"
 #include "base/strings/string_piece.h"
-#include "net/tools/balsa/balsa_frame.h"
-#include "net/tools/balsa/balsa_headers.h"
-#include "net/tools/balsa/noop_balsa_visitor.h"
+#include "net/spdy/spdy_framer.h"
 
 template <typename T> struct DefaultSingletonTraits;
 
 namespace net {
 namespace tools {
 
 namespace test {
 class QuicInMemoryCachePeer;
 }  // namespace
 
-extern std::string FLAGS_quic_in_memory_cache_dir;
-
 class QuicServer;
 
 // In-memory cache for HTTP responses.
 // Reads from disk cache generated by:
 // `wget -p --save_headers <url>`
 class QuicInMemoryCache {
  public:
   enum SpecialResponseType {
     REGULAR_RESPONSE,  // Send the headers and body like a server should.
     CLOSE_CONNECTION,  // Close the connection (sending the close packet).
     IGNORE_REQUEST,  // Do nothing, expect the client to time out.
   };
 
   // Container for response header/body pairs.
   class Response {
    public:
-    Response() : response_type_(REGULAR_RESPONSE) {}
-    ~Response() {}
+    Response();
+    ~Response();
 
-    SpecialResponseType response_type() const { return response_type_; }
-    const BalsaHeaders& headers() const { return headers_; }
-    const base::StringPiece body() const { return base::StringPiece(body_); }
+    const SpecialResponseType response_type() const { return response_type_; }
+    const SpdyHeaderBlock& headers() const { return headers_; }
+    const StringPiece body() const { return StringPiece(body_); }
 
    private:
     friend class QuicInMemoryCache;
 
     void set_response_type(SpecialResponseType response_type) {
       response_type_ = response_type;
     }
-    void set_headers(const BalsaHeaders& headers) {
-      headers_.CopyFrom(headers);
+    void set_headers(const SpdyHeaderBlock& headers) {
+      headers_ = headers;
     }
     void set_body(base::StringPiece body) {
       body.CopyToString(&body_);
     }
 
     SpecialResponseType response_type_;
-    BalsaHeaders headers_;
+    SpdyHeaderBlock headers_;
     std::string body_;
 
     DISALLOW_COPY_AND_ASSIGN(Response);
   };
 
   // Returns the singleton instance of the cache.
   static QuicInMemoryCache* GetInstance();
 
   // Retrieve a response from this cache for a given host and path..
   // If no appropriate response exists, nullptr is returned.
   const Response* GetResponse(base::StringPiece host,
                               base::StringPiece path) const;
 
   // Adds a simple response to the cache.  The response headers will
   // only contain the "content-length" header with the length of |body|.
   void AddSimpleResponse(base::StringPiece host,
                          base::StringPiece path,
                          int response_code,
                          base::StringPiece response_detail,
                          base::StringPiece body);
 
   // Add a response to the cache.
   void AddResponse(base::StringPiece host,
                    base::StringPiece path,
-                   const BalsaHeaders& response_headers,
+                   const SpdyHeaderBlock& response_headers,
                    base::StringPiece response_body);
 
   // Simulate a special behavior at a particular path.
   void AddSpecialResponse(base::StringPiece host,
                           base::StringPiece path,
                           SpecialResponseType response_type);
 
+  // |cache_cirectory| can be generated using `wget -p --save-headers <url>`.
+  void InitializeFromDirectory(const std::string& cache_directory);
+
  private:
   typedef base::hash_map<std::string, Response*> ResponseMap;
   friend struct DefaultSingletonTraits<QuicInMemoryCache>;
   friend class test::QuicInMemoryCachePeer;
 
   QuicInMemoryCache();
   ~QuicInMemoryCache();
 
   void ResetForTests();
 
-  void Initialize();
-
   void AddResponseImpl(base::StringPiece host,
                        base::StringPiece path,
                        SpecialResponseType response_type,
-                       const BalsaHeaders& response_headers,
+                       const SpdyHeaderBlock& response_headers,
                        base::StringPiece response_body);
 
   std::string GetKey(base::StringPiece host, base::StringPiece path) const;
 
   // Cached responses.
   ResponseMap responses_;
 
   DISALLOW_COPY_AND_ASSIGN(QuicInMemoryCache);
 };
 
 }  // namespace tools
 }  // namespace net
 
 #endif  // NET_TOOLS_QUIC_QUIC_IN_MEMORY_CACHE_H_