net/spdy/spdy_test_util_common.h

   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_