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   ~StreamReleaserCallback() override;
 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   bool Sign(const uint8* data,
 161             int data_len,
 162             std::vector<uint8>* signature) override;
 163   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   ~MockECSignatureCreatorFactory() override;
 177
 178   // crypto::ECSignatureCreatorFactory
 179   crypto::ECSignatureCreator* Create(crypto::ECPrivateKey* key) override;
 180
 181  private:
 182   DISALLOW_COPY_AND_ASSIGN(MockECSignatureCreatorFactory);
 183 };
 184
 185 // Helper to manage the lifetimes of the dependencies for a
 186 // HttpNetworkTransaction.
 187 struct SpdySessionDependencies {
 188   // Default set of dependencies -- "null" proxy service.
 189   explicit SpdySessionDependencies(NextProto protocol);
 190
 191   // Custom proxy service dependency.
 192   SpdySessionDependencies(NextProto protocol, ProxyService* proxy_service);
 193
 194   ~SpdySessionDependencies();
 195
 196   static HttpNetworkSession* SpdyCreateSession(
 197       SpdySessionDependencies* session_deps);
 198   static HttpNetworkSession* SpdyCreateSessionDeterministic(
 199       SpdySessionDependencies* session_deps);
 200   static HttpNetworkSession::Params CreateSessionParams(
 201       SpdySessionDependencies* session_deps);
 202
 203   // NOTE: host_resolver must be ordered before http_auth_handler_factory.
 204   scoped_ptr<MockHostResolverBase> host_resolver;
 205   scoped_ptr<CertVerifier> cert_verifier;
 206   scoped_ptr<TransportSecurityState> transport_security_state;
 207   scoped_ptr<ProxyService> proxy_service;
 208   scoped_refptr<SSLConfigService> ssl_config_service;
 209   scoped_ptr<MockClientSocketFactory> socket_factory;
 210   scoped_ptr<DeterministicMockClientSocketFactory> deterministic_socket_factory;
 211   scoped_ptr<HttpAuthHandlerFactory> http_auth_handler_factory;
 212   HttpServerPropertiesImpl http_server_properties;
 213   bool enable_ip_pooling;
 214   bool enable_compression;
 215   bool enable_ping;
 216   bool enable_user_alternate_protocol_ports;
 217   NextProto protocol;
 218   size_t stream_initial_recv_window_size;
 219   SpdySession::TimeFunc time_func;
 220   NextProtoVector next_protos;
 221   std::string trusted_spdy_proxy;
 222   bool force_spdy_over_ssl;
 223   bool force_spdy_always;
 224   bool use_alternate_protocols;
 225   NetLog* net_log;
 226 };
 227
 228 class SpdyURLRequestContext : public URLRequestContext {
 229  public:
 230   SpdyURLRequestContext(NextProto protocol,
 231                         bool force_spdy_over_ssl,
 232                         bool force_spdy_always);
 233   ~SpdyURLRequestContext() override;
 234
 235   MockClientSocketFactory& socket_factory() { return socket_factory_; }
 236
 237  private:
 238   MockClientSocketFactory socket_factory_;
 239   net::URLRequestContextStorage storage_;
 240 };
 241
 242 // Equivalent to pool->GetIfExists(spdy_session_key, BoundNetLog()) != NULL.
 243 bool HasSpdySession(SpdySessionPool* pool, const SpdySessionKey& key);
 244
 245 // Creates a SPDY session for the given key and puts it in the SPDY
 246 // session pool in |http_session|. A SPDY session for |key| must not
 247 // already exist.
 248 base::WeakPtr<SpdySession> CreateInsecureSpdySession(
 249     const scoped_refptr<HttpNetworkSession>& http_session,
 250     const SpdySessionKey& key,
 251     const BoundNetLog& net_log);
 252
 253 // Tries to create a SPDY session for the given key but expects the
 254 // attempt to fail with the given error. A SPDY session for |key| must
 255 // not already exist. The session will be created but close in the
 256 // next event loop iteration.
 257 base::WeakPtr<SpdySession> TryCreateInsecureSpdySessionExpectingFailure(
 258     const scoped_refptr<HttpNetworkSession>& http_session,
 259     const SpdySessionKey& key,
 260     Error expected_error,
 261     const BoundNetLog& net_log);
 262
 263 // Like CreateInsecureSpdySession(), but uses TLS.
 264 base::WeakPtr<SpdySession> CreateSecureSpdySession(
 265     const scoped_refptr<HttpNetworkSession>& http_session,
 266     const SpdySessionKey& key,
 267     const BoundNetLog& net_log);
 268
 269 // Creates an insecure SPDY session for the given key and puts it in
 270 // |pool|. The returned session will neither receive nor send any
 271 // data. A SPDY session for |key| must not already exist.
 272 base::WeakPtr<SpdySession> CreateFakeSpdySession(SpdySessionPool* pool,
 273                                                  const SpdySessionKey& key);
 274
 275 // Tries to create an insecure SPDY session for the given key but
 276 // expects the attempt to fail with the given error. The session will
 277 // neither receive nor send any data. A SPDY session for |key| must
 278 // not already exist. The session will be created but close in the
 279 // next event loop iteration.
 280 base::WeakPtr<SpdySession> TryCreateFakeSpdySessionExpectingFailure(
 281     SpdySessionPool* pool,
 282     const SpdySessionKey& key,
 283     Error expected_error);
 284
 285 class SpdySessionPoolPeer {
 286  public:
 287   explicit SpdySessionPoolPeer(SpdySessionPool* pool);
 288
 289   void RemoveAliases(const SpdySessionKey& key);
 290   void DisableDomainAuthenticationVerification();
 291   void SetEnableSendingInitialData(bool enabled);
 292
 293  private:
 294   SpdySessionPool* const pool_;
 295
 296   DISALLOW_COPY_AND_ASSIGN(SpdySessionPoolPeer);
 297 };
 298
 299 class SpdyTestUtil {
 300  public:
 301   explicit SpdyTestUtil(NextProto protocol);
 302
 303   // Add the appropriate headers to put |url| into |block|.
 304   void AddUrlToHeaderBlock(base::StringPiece url,
 305                            SpdyHeaderBlock* headers) const;
 306
 307   scoped_ptr<SpdyHeaderBlock> ConstructGetHeaderBlock(
 308       base::StringPiece url) const;
 309   scoped_ptr<SpdyHeaderBlock> ConstructGetHeaderBlockForProxy(
 310       base::StringPiece url) const;
 311   scoped_ptr<SpdyHeaderBlock> ConstructHeadHeaderBlock(
 312       base::StringPiece url,
 313       int64 content_length) const;
 314   scoped_ptr<SpdyHeaderBlock> ConstructPostHeaderBlock(
 315       base::StringPiece url,
 316       int64 content_length) const;
 317   scoped_ptr<SpdyHeaderBlock> ConstructPutHeaderBlock(
 318       base::StringPiece url,
 319       int64 content_length) const;
 320
 321   // Construct a SPDY frame.  If it is a SYN_STREAM or SYN_REPLY frame (as
 322   // specified in header_info.kind), the provided headers are included in the
 323   // frame.
 324   SpdyFrame* ConstructSpdyFrame(
 325       const SpdyHeaderInfo& header_info,
 326       scoped_ptr<SpdyHeaderBlock> headers) const;
 327
 328   // Construct a SPDY frame.  If it is a SYN_STREAM or SYN_REPLY frame (as
 329   // specified in header_info.kind), the headers provided in extra_headers and
 330   // (if non-NULL) tail_headers are concatenated and included in the frame.
 331   // (extra_headers must always be non-NULL.)
 332   SpdyFrame* ConstructSpdyFrame(const SpdyHeaderInfo& header_info,
 333                                 const char* const extra_headers[],
 334                                 int extra_header_count,
 335                                 const char* const tail_headers[],
 336                                 int tail_header_count) const;
 337
 338   // Construct a generic SpdyControlFrame.
 339   SpdyFrame* ConstructSpdyControlFrame(
 340       scoped_ptr<SpdyHeaderBlock> headers,
 341       bool compressed,
 342       SpdyStreamId stream_id,
 343       RequestPriority request_priority,
 344       SpdyFrameType type,
 345       SpdyControlFlags flags,
 346       SpdyStreamId associated_stream_id) const;
 347
 348   // Construct a generic SpdyControlFrame.
 349   //
 350   // Warning: extra_header_count is the number of header-value pairs in
 351   // extra_headers (so half the number of elements), but tail_headers_size is
 352   // the actual number of elements (both keys and values) in tail_headers.
 353   // TODO(ttuttle): Fix this inconsistency.
 354   SpdyFrame* ConstructSpdyControlFrame(
 355       const char* const extra_headers[],
 356       int extra_header_count,
 357       bool compressed,
 358       SpdyStreamId stream_id,
 359       RequestPriority request_priority,
 360       SpdyFrameType type,
 361       SpdyControlFlags flags,
 362       const char* const* tail_headers,
 363       int tail_headers_size,
 364       SpdyStreamId associated_stream_id) const;
 365
 366   // Construct an expected SPDY reply string from the given headers.
 367   std::string ConstructSpdyReplyString(const SpdyHeaderBlock& headers) const;
 368
 369   // Construct an expected SPDY SETTINGS frame.
 370   // |settings| are the settings to set.
 371   // Returns the constructed frame.  The caller takes ownership of the frame.
 372   SpdyFrame* ConstructSpdySettings(const SettingsMap& settings) const;
 373
 374   // Constructs an expected SPDY SETTINGS acknowledgement frame, if the protocol
 375   // version is SPDY4 or higher, or an empty placeholder frame otherwise.
 376   SpdyFrame* ConstructSpdySettingsAck() const;
 377
 378   // Construct a SPDY PING frame.
 379   // Returns the constructed frame.  The caller takes ownership of the frame.
 380   SpdyFrame* ConstructSpdyPing(uint32 ping_id, bool is_ack) const;
 381
 382   // Construct a SPDY GOAWAY frame with last_good_stream_id = 0.
 383   // Returns the constructed frame.  The caller takes ownership of the frame.
 384   SpdyFrame* ConstructSpdyGoAway() const;
 385
 386   // Construct a SPDY GOAWAY frame with the specified last_good_stream_id.
 387   // Returns the constructed frame.  The caller takes ownership of the frame.
 388   SpdyFrame* ConstructSpdyGoAway(SpdyStreamId last_good_stream_id) const;
 389
 390   // Construct a SPDY GOAWAY frame with the specified last_good_stream_id,
 391   // status, and description. Returns the constructed frame. The caller takes
 392   // ownership of the frame.
 393   SpdyFrame* ConstructSpdyGoAway(SpdyStreamId last_good_stream_id,
 394                                  SpdyGoAwayStatus status,
 395                                  const std::string& desc) const;
 396
 397   // Construct a SPDY WINDOW_UPDATE frame.
 398   // Returns the constructed frame.  The caller takes ownership of the frame.
 399   SpdyFrame* ConstructSpdyWindowUpdate(
 400       SpdyStreamId stream_id,
 401       uint32 delta_window_size) const;
 402
 403   // Construct a SPDY RST_STREAM frame.
 404   // Returns the constructed frame.  The caller takes ownership of the frame.
 405   SpdyFrame* ConstructSpdyRstStream(SpdyStreamId stream_id,
 406                                     SpdyRstStreamStatus status) const;
 407
 408   // Constructs a standard SPDY GET SYN frame, optionally compressed
 409   // for |url|.
 410   // |extra_headers| are the extra header-value pairs, which typically
 411   // will vary the most between calls.
 412   // Returns a SpdyFrame.
 413   SpdyFrame* ConstructSpdyGet(const char* const url,
 414                               bool compressed,
 415                               SpdyStreamId stream_id,
 416                               RequestPriority request_priority) const;
 417
 418   SpdyFrame* ConstructSpdyGetForProxy(const char* const url,
 419                                       bool compressed,
 420                                       SpdyStreamId stream_id,
 421                                       RequestPriority request_priority) const;
 422
 423   // Constructs a standard SPDY GET SYN frame, optionally compressed.
 424   // |extra_headers| are the extra header-value pairs, which typically
 425   // will vary the most between calls.  If |direct| is false, the
 426   // the full url will be used instead of simply the path.
 427   // Returns a SpdyFrame.
 428   SpdyFrame* ConstructSpdyGet(const char* const extra_headers[],
 429                               int extra_header_count,
 430                               bool compressed,
 431                               int stream_id,
 432                               RequestPriority request_priority,
 433                               bool direct) const;
 434
 435   // Constructs a standard SPDY SYN_STREAM frame for a CONNECT request.
 436   SpdyFrame* ConstructSpdyConnect(const char* const extra_headers[],
 437                                   int extra_header_count,
 438                                   int stream_id,
 439                                   RequestPriority priority,
 440                                   const HostPortPair& host_port_pair) const;
 441
 442   // Constructs a standard SPDY push SYN frame.
 443   // |extra_headers| are the extra header-value pairs, which typically
 444   // will vary the most between calls.
 445   // Returns a SpdyFrame.
 446   SpdyFrame* ConstructSpdyPush(const char* const extra_headers[],
 447                                int extra_header_count,
 448                                int stream_id,
 449                                int associated_stream_id,
 450                                const char* url);
 451   SpdyFrame* ConstructSpdyPush(const char* const extra_headers[],
 452                                int extra_header_count,
 453                                int stream_id,
 454                                int associated_stream_id,
 455                                const char* url,
 456                                const char* status,
 457                                const char* location);
 458
 459   SpdyFrame* ConstructInitialSpdyPushFrame(scoped_ptr<SpdyHeaderBlock> headers,
 460                                            int stream_id,
 461                                            int associated_stream_id);
 462
 463   SpdyFrame* ConstructSpdyPushHeaders(int stream_id,
 464                                       const char* const extra_headers[],
 465                                       int extra_header_count);
 466
 467   // Construct a SPDY syn (HEADERS or SYN_STREAM, depending on protocol
 468   // version) carrying exactly the given headers and priority.
 469   SpdyFrame* ConstructSpdySyn(int stream_id,
 470                               const SpdyHeaderBlock& headers,
 471                               RequestPriority priority,
 472                               bool compressed,
 473                               bool fin) const;
 474
 475   // Construct a SPDY reply (HEADERS or SYN_REPLY, depending on protocol
 476   // version) carrying exactly the given headers, and the default priority
 477   // (or no priority, depending on protocl version).
 478   // The |headers| parameter variant is preferred.
 479   SpdyFrame* ConstructSpdyReply(int stream_id, const SpdyHeaderBlock& headers);
 480
 481   // Constructs a standard SPDY SYN_REPLY frame to match the SPDY GET.
 482   // |extra_headers| are the extra header-value pairs, which typically
 483   // will vary the most between calls.
 484   // Returns a SpdyFrame.
 485   SpdyFrame* ConstructSpdyGetSynReply(const char* const extra_headers[],
 486                                       int extra_header_count,
 487                                       int stream_id);
 488
 489   // Constructs a standard SPDY SYN_REPLY frame to match the SPDY GET.
 490   // |extra_headers| are the extra header-value pairs, which typically
 491   // will vary the most between calls.
 492   // Returns a SpdyFrame.
 493   SpdyFrame* ConstructSpdyGetSynReplyRedirect(int stream_id);
 494
 495   // Constructs a standard SPDY SYN_REPLY frame with an Internal Server
 496   // Error status code.
 497   // Returns a SpdyFrame.
 498   SpdyFrame* ConstructSpdySynReplyError(int stream_id);
 499
 500   // Constructs a standard SPDY SYN_REPLY frame with the specified status code.
 501   // Returns a SpdyFrame.
 502   SpdyFrame* ConstructSpdySynReplyError(const char* const status,
 503                                         const char* const* const extra_headers,
 504                                         int extra_header_count,
 505                                         int stream_id);
 506
 507   // Constructs a standard SPDY POST SYN frame.
 508   // |extra_headers| are the extra header-value pairs, which typically
 509   // will vary the most between calls.
 510   // Returns a SpdyFrame.
 511   SpdyFrame* ConstructSpdyPost(const char* url,
 512                                SpdyStreamId stream_id,
 513                                int64 content_length,
 514                                RequestPriority priority,
 515                                const char* const extra_headers[],
 516                                int extra_header_count);
 517
 518   // Constructs a chunked transfer SPDY POST SYN frame.
 519   // |extra_headers| are the extra header-value pairs, which typically
 520   // will vary the most between calls.
 521   // Returns a SpdyFrame.
 522   SpdyFrame* ConstructChunkedSpdyPost(const char* const extra_headers[],
 523                                       int extra_header_count);
 524
 525   // Constructs a standard SPDY SYN_REPLY frame to match the SPDY POST.
 526   // |extra_headers| are the extra header-value pairs, which typically
 527   // will vary the most between calls.
 528   // Returns a SpdyFrame.
 529   SpdyFrame* ConstructSpdyPostSynReply(const char* const extra_headers[],
 530                                        int extra_header_count);
 531
 532   // Constructs a single SPDY data frame with the contents "hello!"
 533   SpdyFrame* ConstructSpdyBodyFrame(int stream_id,
 534                                     bool fin);
 535
 536   // Constructs a single SPDY data frame with the given content.
 537   SpdyFrame* ConstructSpdyBodyFrame(int stream_id, const char* data,
 538                                     uint32 len, bool fin);
 539
 540   // Wraps |frame| in the payload of a data frame in stream |stream_id|.
 541   SpdyFrame* ConstructWrappedSpdyFrame(const scoped_ptr<SpdyFrame>& frame,
 542                                        int stream_id);
 543
 544   const SpdyHeaderInfo MakeSpdyHeader(SpdyFrameType type);
 545
 546   // For versions below SPDY4, adds the version HTTP/1.1 header.
 547   void MaybeAddVersionHeader(SpdyFrameWithNameValueBlockIR* frame_ir) const;
 548   void MaybeAddVersionHeader(SpdyHeaderBlock* block) const;
 549
 550   // Maps |priority| to SPDY version priority, and sets it on |frame_ir|.
 551   void SetPriority(RequestPriority priority, SpdySynStreamIR* frame_ir) const;
 552
 553   NextProto protocol() const { return protocol_; }
 554   SpdyMajorVersion spdy_version() const { return spdy_version_; }
 555   bool include_version_header() const {
 556     return protocol_ < kProtoSPDY4MinimumVersion;
 557   }
 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_