Landing Recent QUIC changes until Fri Nov 18 23:21:04 2016 +0000

net/tools/quic/quic_in_memory_cache.h

Index: net/tools/quic/quic_in_memory_cache.h
diff --git a/net/tools/quic/quic_in_memory_cache.h b/net/tools/quic/quic_in_memory_cache.h
deleted file mode 100644
index 1fdc340097d599a59ac9fec63d0548bb7ffc7a62..0000000000000000000000000000000000000000
--- a/net/tools/quic/quic_in_memory_cache.h
+++ /dev/null
@@ -1,221 +0,0 @@
-// 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 <list>
-#include <map>
-#include <memory>
-#include <string>
-#include <unordered_map>
-#include <vector>
-
-#include "base/files/file_path.h"
-#include "base/macros.h"
-#include "base/strings/string_piece.h"
-#include "net/http/http_response_headers.h"
-#include "net/quic/core/spdy_utils.h"
-#include "net/spdy/spdy_framer.h"
-#include "url/gurl.h"
-
-namespace net {
-
-// In-memory cache for HTTP responses.
-// Reads from disk cache generated by:
-// `wget -p --save_headers <url>`
-class QuicInMemoryCache {
- public:
-  // A ServerPushInfo contains path of the push request and everything needed in
-  // comprising a response for the push request.
-  struct ServerPushInfo {
-    ServerPushInfo(GURL request_url,
-                   SpdyHeaderBlock headers,
-                   SpdyPriority priority,
-                   std::string body);
-    ServerPushInfo(const ServerPushInfo& other);
-    GURL request_url;
-    SpdyHeaderBlock headers;
-    SpdyPriority priority;
-    std::string body;
-  };
-
-  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();
-
-    SpecialResponseType response_type() const { return response_type_; }
-    const SpdyHeaderBlock& headers() const { return headers_; }
-    const SpdyHeaderBlock& trailers() const { return trailers_; }
-    const base::StringPiece body() const { return base::StringPiece(body_); }
-
-    void set_response_type(SpecialResponseType response_type) {
-      response_type_ = response_type;
-    }
-    void set_headers(SpdyHeaderBlock headers) { headers_ = std::move(headers); }
-    void set_trailers(SpdyHeaderBlock trailers) {
-      trailers_ = std::move(trailers);
-    }
-    void set_body(base::StringPiece body) { body.CopyToString(&body_); }
-
-   private:
-    SpecialResponseType response_type_;
-    SpdyHeaderBlock headers_;
-    SpdyHeaderBlock trailers_;
-    std::string body_;
-
-    DISALLOW_COPY_AND_ASSIGN(Response);
-  };
-
-  // Class to manage loading a resource file into memory.  There are
-  // two uses: called by InitializeFromDirectory to load resources
-  // from files, and recursively called when said resources specify
-  // server push associations.
-  class ResourceFile {
-   public:
-    explicit ResourceFile(const base::FilePath& file_name);
-    virtual ~ResourceFile();
-
-    void Read();
-
-    void SetHostPathFromBase(base::StringPiece base);
-
-    base::StringPiece host() { return host_; }
-    void set_host(base::StringPiece host) { host_ = host; }
-
-    base::StringPiece path() { return path_; }
-    void set_path(base::StringPiece path) { path_ = path; }
-
-    const SpdyHeaderBlock& spdy_headers() { return spdy_headers_; }
-
-    base::StringPiece body() { return body_; }
-
-    const std::vector<base::StringPiece>& push_urls() { return push_urls_; }
-
-    const std::string& file_name() { return file_name_string_; }
-
-   protected:
-    void HandleXOriginalUrl();
-    void HandlePushUrls(const std::vector<base::StringPiece>& push_urls);
-    base::StringPiece RemoveScheme(base::StringPiece url);
-
-    const std::string cache_directory_;
-    const base::FilePath file_name_;
-    const std::string file_name_string_;
-    std::string file_contents_;
-    base::StringPiece body_;
-    SpdyHeaderBlock spdy_headers_;
-    base::StringPiece x_original_url_;
-    std::vector<base::StringPiece> push_urls_;
-
-   private:
-    base::StringPiece host_;
-    base::StringPiece path_;
-    QuicInMemoryCache* cache_;
-
-    DISALLOW_COPY_AND_ASSIGN(ResourceFile);
-  };
-
-  QuicInMemoryCache();
-  ~QuicInMemoryCache();
-
-  // 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 body);
-
-  // Add a simple response to the cache as AddSimpleResponse() does, and add
-  // some server push resources(resource path, corresponding response status and
-  // path) associated with it.
-  // Push resource implicitly come from the same host.
-  void AddSimpleResponseWithServerPushResources(
-      base::StringPiece host,
-      base::StringPiece path,
-      int response_code,
-      base::StringPiece body,
-      std::list<ServerPushInfo> push_resources);
-
-  // Add a response to the cache.
-  void AddResponse(base::StringPiece host,
-                   base::StringPiece path,
-                   SpdyHeaderBlock response_headers,
-                   base::StringPiece response_body);
-
-  // Add a response, with trailers, to the cache.
-  void AddResponse(base::StringPiece host,
-                   base::StringPiece path,
-                   SpdyHeaderBlock response_headers,
-                   base::StringPiece response_body,
-                   SpdyHeaderBlock response_trailers);
-
-  // Simulate a special behavior at a particular path.
-  void AddSpecialResponse(base::StringPiece host,
-                          base::StringPiece path,
-                          SpecialResponseType response_type);
-
-  // Sets a default response in case of cache misses.  Takes ownership of
-  // 'response'.
-  void AddDefaultResponse(Response* response);
-
-  // |cache_cirectory| can be generated using `wget -p --save-headers <url>`.
-  void InitializeFromDirectory(const std::string& cache_directory);
-
-  // Find all the server push resources associated with |request_url|.
-  std::list<ServerPushInfo> GetServerPushResources(std::string request_url);
-
- private:
-  void AddResponseImpl(base::StringPiece host,
-                       base::StringPiece path,
-                       SpecialResponseType response_type,
-                       SpdyHeaderBlock response_headers,
-                       base::StringPiece response_body,
-                       SpdyHeaderBlock response_trailers);
-
-  std::string GetKey(base::StringPiece host, base::StringPiece path) const;
-
-  // Add some server push urls with given responses for specified
-  // request if these push resources are not associated with this request yet.
-  void MaybeAddServerPushResources(base::StringPiece request_host,
-                                   base::StringPiece request_path,
-                                   std::list<ServerPushInfo> push_resources);
-
-  // Check if push resource(push_host/push_path) associated with given request
-  // url already exists in server push map.
-  bool PushResourceExistsInCache(std::string original_request_url,
-                                 ServerPushInfo resource);
-
-  // Cached responses.
-  std::unordered_map<std::string, std::unique_ptr<Response>> responses_;
-
-  // The default response for cache misses, if set.
-  std::unique_ptr<Response> default_response_;
-
-  // A map from request URL to associated server push responses (if any).
-  std::multimap<std::string, ServerPushInfo> server_push_resources_;
-
-  // Protects against concurrent access from test threads setting responses, and
-  // server threads accessing those responses.
-  mutable base::Lock response_mutex_;
-
-  DISALLOW_COPY_AND_ASSIGN(QuicInMemoryCache);
-};
-
-}  // namespace net
-
-#endif  // NET_TOOLS_QUIC_QUIC_IN_MEMORY_CACHE_H_