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      1 // Copyright (c) 2013 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_SPDY_SPDY_TEST_UTIL_COMMON_H_
      6 #define NET_SPDY_SPDY_TEST_UTIL_COMMON_H_
      7 
      8 #include <string>
      9 #include <vector>
     10 
     11 #include "base/memory/ref_counted.h"
     12 #include "base/memory/scoped_ptr.h"
     13 #include "crypto/ec_private_key.h"
     14 #include "crypto/ec_signature_creator.h"
     15 #include "net/base/completion_callback.h"
     16 #include "net/base/request_priority.h"
     17 #include "net/base/test_completion_callback.h"
     18 #include "net/cert/cert_verifier.h"
     19 #include "net/dns/mock_host_resolver.h"
     20 #include "net/http/http_auth_handler_factory.h"
     21 #include "net/http/http_network_session.h"
     22 #include "net/http/http_response_info.h"
     23 #include "net/http/http_server_properties_impl.h"
     24 #include "net/http/transport_security_state.h"
     25 #include "net/proxy/proxy_service.h"
     26 #include "net/socket/next_proto.h"
     27 #include "net/socket/socket_test_util.h"
     28 #include "net/spdy/spdy_protocol.h"
     29 #include "net/ssl/ssl_config_service_defaults.h"
     30 #include "net/url_request/url_request_context.h"
     31 #include "net/url_request/url_request_context_storage.h"
     32 #include "testing/gtest/include/gtest/gtest.h"
     33 
     34 class GURL;
     35 
     36 namespace net {
     37 
     38 class BoundNetLog;
     39 class SpdySession;
     40 class SpdySessionKey;
     41 class SpdySessionPool;
     42 class SpdyStream;
     43 class SpdyStreamRequest;
     44 
     45 // Default upload data used by both, mock objects and framer when creating
     46 // data frames.
     47 const char kDefaultURL[] = "http://www.google.com";
     48 const char kUploadData[] = "hello!";
     49 const int kUploadDataSize = arraysize(kUploadData)-1;
     50 
     51 // SpdyNextProtos returns a vector of next protocols for negotiating
     52 // SPDY.
     53 NextProtoVector SpdyNextProtos();
     54 
     55 // Chop a frame into an array of MockWrites.
     56 // |data| is the frame to chop.
     57 // |length| is the length of the frame to chop.
     58 // |num_chunks| is the number of chunks to create.
     59 MockWrite* ChopWriteFrame(const char* data, int length, int num_chunks);
     60 
     61 // Chop a SpdyFrame into an array of MockWrites.
     62 // |frame| is the frame to chop.
     63 // |num_chunks| is the number of chunks to create.
     64 MockWrite* ChopWriteFrame(const SpdyFrame& frame, int num_chunks);
     65 
     66 // Chop a frame into an array of MockReads.
     67 // |data| is the frame to chop.
     68 // |length| is the length of the frame to chop.
     69 // |num_chunks| is the number of chunks to create.
     70 MockRead* ChopReadFrame(const char* data, int length, int num_chunks);
     71 
     72 // Chop a SpdyFrame into an array of MockReads.
     73 // |frame| is the frame to chop.
     74 // |num_chunks| is the number of chunks to create.
     75 MockRead* ChopReadFrame(const SpdyFrame& frame, int num_chunks);
     76 
     77 // Adds headers and values to a map.
     78 // |extra_headers| is an array of { name, value } pairs, arranged as strings
     79 // where the even entries are the header names, and the odd entries are the
     80 // header values.
     81 // |headers| gets filled in from |extra_headers|.
     82 void AppendToHeaderBlock(const char* const extra_headers[],
     83                          int extra_header_count,
     84                          SpdyHeaderBlock* headers);
     85 
     86 // Create an async MockWrite from the given SpdyFrame.
     87 MockWrite CreateMockWrite(const SpdyFrame& req);
     88 
     89 // Create an async MockWrite from the given SpdyFrame and sequence number.
     90 MockWrite CreateMockWrite(const SpdyFrame& req, int seq);
     91 
     92 MockWrite CreateMockWrite(const SpdyFrame& req, int seq, IoMode mode);
     93 
     94 // Create a MockRead from the given SpdyFrame.
     95 MockRead CreateMockRead(const SpdyFrame& resp);
     96 
     97 // Create a MockRead from the given SpdyFrame and sequence number.
     98 MockRead CreateMockRead(const SpdyFrame& resp, int seq);
     99 
    100 MockRead CreateMockRead(const SpdyFrame& resp, int seq, IoMode mode);
    101 
    102 // Combines the given SpdyFrames into the given char array and returns
    103 // the total length.
    104 int CombineFrames(const SpdyFrame** frames, int num_frames,
    105                   char* buff, int buff_len);
    106 
    107 // Returns the SpdyPriority embedded in the given frame.  Returns true
    108 // and fills in |priority| on success.
    109 bool GetSpdyPriority(SpdyMajorVersion version,
    110                      const SpdyFrame& frame,
    111                      SpdyPriority* priority);
    112 
    113 // Tries to create a stream in |session| synchronously. Returns NULL
    114 // on failure.
    115 base::WeakPtr<SpdyStream> CreateStreamSynchronously(
    116     SpdyStreamType type,
    117     const base::WeakPtr<SpdySession>& session,
    118     const GURL& url,
    119     RequestPriority priority,
    120     const BoundNetLog& net_log);
    121 
    122 // Helper class used by some tests to release a stream as soon as it's
    123 // created.
    124 class StreamReleaserCallback : public TestCompletionCallbackBase {
    125  public:
    126   StreamReleaserCallback();
    127 
    128   virtual ~StreamReleaserCallback();
    129 
    130   // Returns a callback that releases |request|'s stream.
    131   CompletionCallback MakeCallback(SpdyStreamRequest* request);
    132 
    133  private:
    134   void OnComplete(SpdyStreamRequest* request, int result);
    135 };
    136 
    137 const size_t kSpdyCredentialSlotUnused = 0;
    138 
    139 // This struct holds information used to construct spdy control and data frames.
    140 struct SpdyHeaderInfo {
    141   SpdyFrameType kind;
    142   SpdyStreamId id;
    143   SpdyStreamId assoc_id;
    144   SpdyPriority priority;
    145   size_t credential_slot;  // SPDY3 only
    146   SpdyControlFlags control_flags;
    147   bool compressed;
    148   SpdyRstStreamStatus status;
    149   const char* data;
    150   uint32 data_length;
    151   SpdyDataFlags data_flags;
    152 };
    153 
    154 // An ECSignatureCreator that returns deterministic signatures.
    155 class MockECSignatureCreator : public crypto::ECSignatureCreator {
    156  public:
    157   explicit MockECSignatureCreator(crypto::ECPrivateKey* key);
    158 
    159   // crypto::ECSignatureCreator
    160   virtual bool Sign(const uint8* data,
    161                     int data_len,
    162                     std::vector<uint8>* signature) OVERRIDE;
    163   virtual bool DecodeSignature(const std::vector<uint8>& signature,
    164                                std::vector<uint8>* out_raw_sig) OVERRIDE;
    165 
    166  private:
    167   crypto::ECPrivateKey* key_;
    168 
    169   DISALLOW_COPY_AND_ASSIGN(MockECSignatureCreator);
    170 };
    171 
    172 // An ECSignatureCreatorFactory creates MockECSignatureCreator.
    173 class MockECSignatureCreatorFactory : public crypto::ECSignatureCreatorFactory {
    174  public:
    175   MockECSignatureCreatorFactory();
    176   virtual ~MockECSignatureCreatorFactory();
    177 
    178   // crypto::ECSignatureCreatorFactory
    179   virtual crypto::ECSignatureCreator* Create(
    180       crypto::ECPrivateKey* key) OVERRIDE;
    181 
    182  private:
    183   DISALLOW_COPY_AND_ASSIGN(MockECSignatureCreatorFactory);
    184 };
    185 
    186 // Helper to manage the lifetimes of the dependencies for a
    187 // HttpNetworkTransaction.
    188 struct SpdySessionDependencies {
    189   // Default set of dependencies -- "null" proxy service.
    190   explicit SpdySessionDependencies(NextProto protocol);
    191 
    192   // Custom proxy service dependency.
    193   SpdySessionDependencies(NextProto protocol, ProxyService* proxy_service);
    194 
    195   ~SpdySessionDependencies();
    196 
    197   static HttpNetworkSession* SpdyCreateSession(
    198       SpdySessionDependencies* session_deps);
    199   static HttpNetworkSession* SpdyCreateSessionDeterministic(
    200       SpdySessionDependencies* session_deps);
    201   static HttpNetworkSession::Params CreateSessionParams(
    202       SpdySessionDependencies* session_deps);
    203 
    204   // NOTE: host_resolver must be ordered before http_auth_handler_factory.
    205   scoped_ptr<MockHostResolverBase> host_resolver;
    206   scoped_ptr<CertVerifier> cert_verifier;
    207   scoped_ptr<TransportSecurityState> transport_security_state;
    208   scoped_ptr<ProxyService> proxy_service;
    209   scoped_refptr<SSLConfigService> ssl_config_service;
    210   scoped_ptr<MockClientSocketFactory> socket_factory;
    211   scoped_ptr<DeterministicMockClientSocketFactory> deterministic_socket_factory;
    212   scoped_ptr<HttpAuthHandlerFactory> http_auth_handler_factory;
    213   HttpServerPropertiesImpl http_server_properties;
    214   bool enable_ip_pooling;
    215   bool enable_compression;
    216   bool enable_ping;
    217   bool enable_user_alternate_protocol_ports;
    218   NextProto protocol;
    219   size_t stream_initial_recv_window_size;
    220   SpdySession::TimeFunc time_func;
    221   NextProtoVector next_protos;
    222   std::string trusted_spdy_proxy;
    223   bool force_spdy_over_ssl;
    224   bool force_spdy_always;
    225   bool use_alternate_protocols;
    226   bool enable_websocket_over_spdy;
    227   NetLog* net_log;
    228 };
    229 
    230 class SpdyURLRequestContext : public URLRequestContext {
    231  public:
    232   SpdyURLRequestContext(NextProto protocol,
    233                         bool force_spdy_over_ssl,
    234                         bool force_spdy_always);
    235   virtual ~SpdyURLRequestContext();
    236 
    237   MockClientSocketFactory& socket_factory() { return socket_factory_; }
    238 
    239  private:
    240   MockClientSocketFactory socket_factory_;
    241   net::URLRequestContextStorage storage_;
    242 };
    243 
    244 // Equivalent to pool->GetIfExists(spdy_session_key, BoundNetLog()) != NULL.
    245 bool HasSpdySession(SpdySessionPool* pool, const SpdySessionKey& key);
    246 
    247 // Creates a SPDY session for the given key and puts it in the SPDY
    248 // session pool in |http_session|. A SPDY session for |key| must not
    249 // already exist.
    250 base::WeakPtr<SpdySession> CreateInsecureSpdySession(
    251     const scoped_refptr<HttpNetworkSession>& http_session,
    252     const SpdySessionKey& key,
    253     const BoundNetLog& net_log);
    254 
    255 // Tries to create a SPDY session for the given key but expects the
    256 // attempt to fail with the given error. A SPDY session for |key| must
    257 // not already exist. The session will be created but close in the
    258 // next event loop iteration.
    259 base::WeakPtr<SpdySession> TryCreateInsecureSpdySessionExpectingFailure(
    260     const scoped_refptr<HttpNetworkSession>& http_session,
    261     const SpdySessionKey& key,
    262     Error expected_error,
    263     const BoundNetLog& net_log);
    264 
    265 // Like CreateInsecureSpdySession(), but uses TLS.
    266 base::WeakPtr<SpdySession> CreateSecureSpdySession(
    267     const scoped_refptr<HttpNetworkSession>& http_session,
    268     const SpdySessionKey& key,
    269     const BoundNetLog& net_log);
    270 
    271 // Creates an insecure SPDY session for the given key and puts it in
    272 // |pool|. The returned session will neither receive nor send any
    273 // data. A SPDY session for |key| must not already exist.
    274 base::WeakPtr<SpdySession> CreateFakeSpdySession(SpdySessionPool* pool,
    275                                                  const SpdySessionKey& key);
    276 
    277 // Tries to create an insecure SPDY session for the given key but
    278 // expects the attempt to fail with the given error. The session will
    279 // neither receive nor send any data. A SPDY session for |key| must
    280 // not already exist. The session will be created but close in the
    281 // next event loop iteration.
    282 base::WeakPtr<SpdySession> TryCreateFakeSpdySessionExpectingFailure(
    283     SpdySessionPool* pool,
    284     const SpdySessionKey& key,
    285     Error expected_error);
    286 
    287 class SpdySessionPoolPeer {
    288  public:
    289   explicit SpdySessionPoolPeer(SpdySessionPool* pool);
    290 
    291   void RemoveAliases(const SpdySessionKey& key);
    292   void DisableDomainAuthenticationVerification();
    293   void SetEnableSendingInitialData(bool enabled);
    294 
    295  private:
    296   SpdySessionPool* const pool_;
    297 
    298   DISALLOW_COPY_AND_ASSIGN(SpdySessionPoolPeer);
    299 };
    300 
    301 class SpdyTestUtil {
    302  public:
    303   explicit SpdyTestUtil(NextProto protocol);
    304 
    305   // Add the appropriate headers to put |url| into |block|.
    306   void AddUrlToHeaderBlock(base::StringPiece url,
    307                            SpdyHeaderBlock* headers) const;
    308 
    309   scoped_ptr<SpdyHeaderBlock> ConstructGetHeaderBlock(
    310       base::StringPiece url) const;
    311   scoped_ptr<SpdyHeaderBlock> ConstructGetHeaderBlockForProxy(
    312       base::StringPiece url) const;
    313   scoped_ptr<SpdyHeaderBlock> ConstructHeadHeaderBlock(
    314       base::StringPiece url,
    315       int64 content_length) const;
    316   scoped_ptr<SpdyHeaderBlock> ConstructPostHeaderBlock(
    317       base::StringPiece url,
    318       int64 content_length) const;
    319   scoped_ptr<SpdyHeaderBlock> ConstructPutHeaderBlock(
    320       base::StringPiece url,
    321       int64 content_length) const;
    322 
    323   // Construct a SPDY frame.  If it is a SYN_STREAM or SYN_REPLY frame (as
    324   // specified in header_info.kind), the provided headers are included in the
    325   // frame.
    326   SpdyFrame* ConstructSpdyFrame(
    327       const SpdyHeaderInfo& header_info,
    328       scoped_ptr<SpdyHeaderBlock> headers) const;
    329 
    330   // Construct a SPDY frame.  If it is a SYN_STREAM or SYN_REPLY frame (as
    331   // specified in header_info.kind), the headers provided in extra_headers and
    332   // (if non-NULL) tail_headers are concatenated and included in the frame.
    333   // (extra_headers must always be non-NULL.)
    334   SpdyFrame* ConstructSpdyFrame(const SpdyHeaderInfo& header_info,
    335                                 const char* const extra_headers[],
    336                                 int extra_header_count,
    337                                 const char* const tail_headers[],
    338                                 int tail_header_count) const;
    339 
    340   // Construct a generic SpdyControlFrame.
    341   SpdyFrame* ConstructSpdyControlFrame(
    342       scoped_ptr<SpdyHeaderBlock> headers,
    343       bool compressed,
    344       SpdyStreamId stream_id,
    345       RequestPriority request_priority,
    346       SpdyFrameType type,
    347       SpdyControlFlags flags,
    348       SpdyStreamId associated_stream_id) const;
    349 
    350   // Construct a generic SpdyControlFrame.
    351   //
    352   // Warning: extra_header_count is the number of header-value pairs in
    353   // extra_headers (so half the number of elements), but tail_headers_size is
    354   // the actual number of elements (both keys and values) in tail_headers.
    355   // TODO(ttuttle): Fix this inconsistency.
    356   SpdyFrame* ConstructSpdyControlFrame(
    357       const char* const extra_headers[],
    358       int extra_header_count,
    359       bool compressed,
    360       SpdyStreamId stream_id,
    361       RequestPriority request_priority,
    362       SpdyFrameType type,
    363       SpdyControlFlags flags,
    364       const char* const* tail_headers,
    365       int tail_headers_size,
    366       SpdyStreamId associated_stream_id) const;
    367 
    368   // Construct an expected SPDY reply string from the given headers.
    369   std::string ConstructSpdyReplyString(const SpdyHeaderBlock& headers) const;
    370 
    371   // Construct an expected SPDY SETTINGS frame.
    372   // |settings| are the settings to set.
    373   // Returns the constructed frame.  The caller takes ownership of the frame.
    374   SpdyFrame* ConstructSpdySettings(const SettingsMap& settings) const;
    375 
    376   // Constructs an expected SPDY SETTINGS acknowledgement frame, if the protocol
    377   // version is SPDY4 or higher, or an empty placeholder frame otherwise.
    378   SpdyFrame* ConstructSpdySettingsAck() const;
    379 
    380   // Construct a SPDY PING frame.
    381   // Returns the constructed frame.  The caller takes ownership of the frame.
    382   SpdyFrame* ConstructSpdyPing(uint32 ping_id, bool is_ack) const;
    383 
    384   // Construct a SPDY GOAWAY frame with last_good_stream_id = 0.
    385   // Returns the constructed frame.  The caller takes ownership of the frame.
    386   SpdyFrame* ConstructSpdyGoAway() const;
    387 
    388   // Construct a SPDY GOAWAY frame with the specified last_good_stream_id.
    389   // Returns the constructed frame.  The caller takes ownership of the frame.
    390   SpdyFrame* ConstructSpdyGoAway(SpdyStreamId last_good_stream_id) const;
    391 
    392   // Construct a SPDY GOAWAY frame with the specified last_good_stream_id,
    393   // status, and description. Returns the constructed frame. The caller takes
    394   // ownership of the frame.
    395   SpdyFrame* ConstructSpdyGoAway(SpdyStreamId last_good_stream_id,
    396                                  SpdyGoAwayStatus status,
    397                                  const std::string& desc) const;
    398 
    399   // Construct a SPDY WINDOW_UPDATE frame.
    400   // Returns the constructed frame.  The caller takes ownership of the frame.
    401   SpdyFrame* ConstructSpdyWindowUpdate(
    402       SpdyStreamId stream_id,
    403       uint32 delta_window_size) const;
    404 
    405   // Construct a SPDY RST_STREAM frame.
    406   // Returns the constructed frame.  The caller takes ownership of the frame.
    407   SpdyFrame* ConstructSpdyRstStream(SpdyStreamId stream_id,
    408                                     SpdyRstStreamStatus status) const;
    409 
    410   // Constructs a standard SPDY GET SYN frame, optionally compressed
    411   // for |url|.
    412   // |extra_headers| are the extra header-value pairs, which typically
    413   // will vary the most between calls.
    414   // Returns a SpdyFrame.
    415   SpdyFrame* ConstructSpdyGet(const char* const url,
    416                               bool compressed,
    417                               SpdyStreamId stream_id,
    418                               RequestPriority request_priority) const;
    419 
    420   SpdyFrame* ConstructSpdyGetForProxy(const char* const url,
    421                                       bool compressed,
    422                                       SpdyStreamId stream_id,
    423                                       RequestPriority request_priority) const;
    424 
    425   // Constructs a standard SPDY GET SYN frame, optionally compressed.
    426   // |extra_headers| are the extra header-value pairs, which typically
    427   // will vary the most between calls.  If |direct| is false, the
    428   // the full url will be used instead of simply the path.
    429   // Returns a SpdyFrame.
    430   SpdyFrame* ConstructSpdyGet(const char* const extra_headers[],
    431                               int extra_header_count,
    432                               bool compressed,
    433                               int stream_id,
    434                               RequestPriority request_priority,
    435                               bool direct) const;
    436 
    437   // Constructs a standard SPDY SYN_STREAM frame for a CONNECT request.
    438   SpdyFrame* ConstructSpdyConnect(const char* const extra_headers[],
    439                                   int extra_header_count,
    440                                   int stream_id,
    441                                   RequestPriority priority) const;
    442 
    443   // Constructs a standard SPDY push SYN frame.
    444   // |extra_headers| are the extra header-value pairs, which typically
    445   // will vary the most between calls.
    446   // Returns a SpdyFrame.
    447   SpdyFrame* ConstructSpdyPush(const char* const extra_headers[],
    448                                int extra_header_count,
    449                                int stream_id,
    450                                int associated_stream_id,
    451                                const char* url);
    452   SpdyFrame* ConstructSpdyPush(const char* const extra_headers[],
    453                                int extra_header_count,
    454                                int stream_id,
    455                                int associated_stream_id,
    456                                const char* url,
    457                                const char* status,
    458                                const char* location);
    459 
    460   SpdyFrame* ConstructInitialSpdyPushFrame(scoped_ptr<SpdyHeaderBlock> headers,
    461                                            int stream_id,
    462                                            int associated_stream_id);
    463 
    464   SpdyFrame* ConstructSpdyPushHeaders(int stream_id,
    465                                       const char* const extra_headers[],
    466                                       int extra_header_count);
    467 
    468   // Construct a SPDY syn (HEADERS or SYN_STREAM, depending on protocol
    469   // version) carrying exactly the given headers and priority.
    470   SpdyFrame* ConstructSpdySyn(int stream_id,
    471                               const SpdyHeaderBlock& headers,
    472                               RequestPriority priority,
    473                               bool compressed,
    474                               bool fin) const;
    475 
    476   // Construct a SPDY reply (HEADERS or SYN_REPLY, depending on protocol
    477   // version) carrying exactly the given headers, and the default priority
    478   // (or no priority, depending on protocl version).
    479   // The |headers| parameter variant is preferred.
    480   SpdyFrame* ConstructSpdyReply(int stream_id, const SpdyHeaderBlock& headers);
    481 
    482   // Constructs a standard SPDY SYN_REPLY frame to match the SPDY GET.
    483   // |extra_headers| are the extra header-value pairs, which typically
    484   // will vary the most between calls.
    485   // Returns a SpdyFrame.
    486   SpdyFrame* ConstructSpdyGetSynReply(const char* const extra_headers[],
    487                                       int extra_header_count,
    488                                       int stream_id);
    489 
    490   // Constructs a standard SPDY SYN_REPLY frame to match the SPDY GET.
    491   // |extra_headers| are the extra header-value pairs, which typically
    492   // will vary the most between calls.
    493   // Returns a SpdyFrame.
    494   SpdyFrame* ConstructSpdyGetSynReplyRedirect(int stream_id);
    495 
    496   // Constructs a standard SPDY SYN_REPLY frame with an Internal Server
    497   // Error status code.
    498   // Returns a SpdyFrame.
    499   SpdyFrame* ConstructSpdySynReplyError(int stream_id);
    500 
    501   // Constructs a standard SPDY SYN_REPLY frame with the specified status code.
    502   // Returns a SpdyFrame.
    503   SpdyFrame* ConstructSpdySynReplyError(const char* const status,
    504                                         const char* const* const extra_headers,
    505                                         int extra_header_count,
    506                                         int stream_id);
    507 
    508   // Constructs a standard SPDY POST SYN frame.
    509   // |extra_headers| are the extra header-value pairs, which typically
    510   // will vary the most between calls.
    511   // Returns a SpdyFrame.
    512   SpdyFrame* ConstructSpdyPost(const char* url,
    513                                SpdyStreamId stream_id,
    514                                int64 content_length,
    515                                RequestPriority priority,
    516                                const char* const extra_headers[],
    517                                int extra_header_count);
    518 
    519   // Constructs a chunked transfer SPDY POST SYN frame.
    520   // |extra_headers| are the extra header-value pairs, which typically
    521   // will vary the most between calls.
    522   // Returns a SpdyFrame.
    523   SpdyFrame* ConstructChunkedSpdyPost(const char* const extra_headers[],
    524                                       int extra_header_count);
    525 
    526   // Constructs a standard SPDY SYN_REPLY frame to match the SPDY POST.
    527   // |extra_headers| are the extra header-value pairs, which typically
    528   // will vary the most between calls.
    529   // Returns a SpdyFrame.
    530   SpdyFrame* ConstructSpdyPostSynReply(const char* const extra_headers[],
    531                                        int extra_header_count);
    532 
    533   // Constructs a single SPDY data frame with the contents "hello!"
    534   SpdyFrame* ConstructSpdyBodyFrame(int stream_id,
    535                                     bool fin);
    536 
    537   // Constructs a single SPDY data frame with the given content.
    538   SpdyFrame* ConstructSpdyBodyFrame(int stream_id, const char* data,
    539                                     uint32 len, bool fin);
    540 
    541   // Wraps |frame| in the payload of a data frame in stream |stream_id|.
    542   SpdyFrame* ConstructWrappedSpdyFrame(const scoped_ptr<SpdyFrame>& frame,
    543                                        int stream_id);
    544 
    545   const SpdyHeaderInfo MakeSpdyHeader(SpdyFrameType type);
    546 
    547   // For versions below SPDY4, adds the version HTTP/1.1 header.
    548   void MaybeAddVersionHeader(SpdyFrameWithNameValueBlockIR* frame_ir) const;
    549   void MaybeAddVersionHeader(SpdyHeaderBlock* block) const;
    550 
    551   // Maps |priority| to SPDY version priority, and sets it on |frame_ir|.
    552   void SetPriority(RequestPriority priority, SpdySynStreamIR* frame_ir) const;
    553 
    554   NextProto protocol() const { return protocol_; }
    555   SpdyMajorVersion spdy_version() const { return spdy_version_; }
    556   bool is_spdy2() const { return protocol_ < kProtoSPDY3; }
    557   bool include_version_header() const { return protocol_ < kProtoSPDY4; }
    558   scoped_ptr<SpdyFramer> CreateFramer(bool compressed) const;
    559 
    560   const char* GetMethodKey() const;
    561   const char* GetStatusKey() const;
    562   const char* GetHostKey() const;
    563   const char* GetSchemeKey() const;
    564   const char* GetVersionKey() const;
    565   const char* GetPathKey() const;
    566 
    567  private:
    568   // |content_length| may be NULL, in which case the content-length
    569   // header will be omitted.
    570   scoped_ptr<SpdyHeaderBlock> ConstructHeaderBlock(
    571       base::StringPiece method,
    572       base::StringPiece url,
    573       int64* content_length) const;
    574 
    575   const NextProto protocol_;
    576   const SpdyMajorVersion spdy_version_;
    577 };
    578 
    579 }  // namespace net
    580 
    581 #endif  // NET_SPDY_SPDY_TEST_UTIL_COMMON_H_
    582