1// Copyright (c) 2011 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_H_
6#define NET_SPDY_SPDY_TEST_UTIL_H_
7#pragma once
8
9#include "base/basictypes.h"
10#include "net/base/cert_verifier.h"
11#include "net/base/mock_host_resolver.h"
12#include "net/base/request_priority.h"
13#include "net/base/ssl_config_service_defaults.h"
14#include "net/http/http_auth_handler_factory.h"
15#include "net/http/http_cache.h"
16#include "net/http/http_network_session.h"
17#include "net/http/http_network_layer.h"
18#include "net/http/http_transaction_factory.h"
19#include "net/proxy/proxy_service.h"
20#include "net/socket/socket_test_util.h"
21#include "net/spdy/spdy_framer.h"
22#include "net/url_request/url_request_context.h"
23
24namespace net {
25
26// Default upload data used by both, mock objects and framer when creating
27// data frames.
28const char kDefaultURL[] = "http://www.google.com";
29const char kUploadData[] = "hello!";
30const int kUploadDataSize = arraysize(kUploadData)-1;
31
32// NOTE: In GCC, on a Mac, this can't be in an anonymous namespace!
33// This struct holds information used to construct spdy control and data frames.
34struct SpdyHeaderInfo {
35  spdy::SpdyControlType kind;
36  spdy::SpdyStreamId id;
37  spdy::SpdyStreamId assoc_id;
38  spdy::SpdyPriority priority;
39  spdy::SpdyControlFlags control_flags;
40  bool compressed;
41  spdy::SpdyStatusCodes status;
42  const char* data;
43  uint32 data_length;
44  spdy::SpdyDataFlags data_flags;
45};
46
47// Chop a frame into an array of MockWrites.
48// |data| is the frame to chop.
49// |length| is the length of the frame to chop.
50// |num_chunks| is the number of chunks to create.
51MockWrite* ChopWriteFrame(const char* data, int length, int num_chunks);
52
53// Chop a SpdyFrame into an array of MockWrites.
54// |frame| is the frame to chop.
55// |num_chunks| is the number of chunks to create.
56MockWrite* ChopWriteFrame(const spdy::SpdyFrame& frame, int num_chunks);
57
58// Chop a frame into an array of MockReads.
59// |data| is the frame to chop.
60// |length| is the length of the frame to chop.
61// |num_chunks| is the number of chunks to create.
62MockRead* ChopReadFrame(const char* data, int length, int num_chunks);
63
64// Chop a SpdyFrame into an array of MockReads.
65// |frame| is the frame to chop.
66// |num_chunks| is the number of chunks to create.
67MockRead* ChopReadFrame(const spdy::SpdyFrame& frame, int num_chunks);
68
69// Adds headers and values to a map.
70// |extra_headers| is an array of { name, value } pairs, arranged as strings
71// where the even entries are the header names, and the odd entries are the
72// header values.
73// |headers| gets filled in from |extra_headers|.
74void AppendHeadersToSpdyFrame(const char* const extra_headers[],
75                              int extra_header_count,
76                              spdy::SpdyHeaderBlock* headers);
77
78// Writes |str| of the given |len| to the buffer pointed to by |buffer_handle|.
79// Uses a template so buffer_handle can be a char* or an unsigned char*.
80// Updates the |*buffer_handle| pointer by |len|
81// Returns the number of bytes written into *|buffer_handle|
82template<class T>
83int AppendToBuffer(const char* str,
84                   int len,
85                   T** buffer_handle,
86                   int* buffer_len_remaining) {
87  DCHECK_GT(len, 0);
88  DCHECK(NULL != buffer_handle) << "NULL buffer handle";
89  DCHECK(NULL != *buffer_handle) << "NULL pointer";
90  DCHECK(NULL != buffer_len_remaining)
91      << "NULL buffer remainder length pointer";
92  DCHECK_GE(*buffer_len_remaining, len) << "Insufficient buffer size";
93  memcpy(*buffer_handle, str, len);
94  *buffer_handle += len;
95  *buffer_len_remaining -= len;
96  return len;
97}
98
99// Writes |val| to a location of size |len|, in big-endian format.
100// in the buffer pointed to by |buffer_handle|.
101// Updates the |*buffer_handle| pointer by |len|
102// Returns the number of bytes written
103int AppendToBuffer(int val,
104                   int len,
105                   unsigned char** buffer_handle,
106                   int* buffer_len_remaining);
107
108// Construct a SPDY packet.
109// |head| is the start of the packet, up to but not including
110// the header value pairs.
111// |extra_headers| are the extra header-value pairs, which typically
112// will vary the most between calls.
113// |tail| is any (relatively constant) header-value pairs to add.
114// |buffer| is the buffer we're filling in.
115// Returns a SpdyFrame.
116spdy::SpdyFrame* ConstructSpdyPacket(const SpdyHeaderInfo& header_info,
117                                     const char* const extra_headers[],
118                                     int extra_header_count,
119                                     const char* const tail[],
120                                     int tail_header_count);
121
122// Construct a generic SpdyControlFrame.
123spdy::SpdyFrame* ConstructSpdyControlFrame(const char* const extra_headers[],
124                                           int extra_header_count,
125                                           bool compressed,
126                                           int stream_id,
127                                           RequestPriority request_priority,
128                                           spdy::SpdyControlType type,
129                                           spdy::SpdyControlFlags flags,
130                                           const char* const* kHeaders,
131                                           int kHeadersSize);
132spdy::SpdyFrame* ConstructSpdyControlFrame(const char* const extra_headers[],
133                                           int extra_header_count,
134                                           bool compressed,
135                                           int stream_id,
136                                           RequestPriority request_priority,
137                                           spdy::SpdyControlType type,
138                                           spdy::SpdyControlFlags flags,
139                                           const char* const* kHeaders,
140                                           int kHeadersSize,
141                                           int associated_stream_id);
142
143// Construct an expected SPDY reply string.
144// |extra_headers| are the extra header-value pairs, which typically
145// will vary the most between calls.
146// |buffer| is the buffer we're filling in.
147// Returns the number of bytes written into |buffer|.
148int ConstructSpdyReplyString(const char* const extra_headers[],
149                             int extra_header_count,
150                             char* buffer,
151                             int buffer_length);
152
153// Construct an expected SPDY SETTINGS frame.
154// |settings| are the settings to set.
155// Returns the constructed frame.  The caller takes ownership of the frame.
156spdy::SpdyFrame* ConstructSpdySettings(spdy::SpdySettings settings);
157
158// Construct a SPDY PING frame.
159// Returns the constructed frame.  The caller takes ownership of the frame.
160spdy::SpdyFrame* ConstructSpdyPing();
161
162// Construct a SPDY GOAWAY frame.
163// Returns the constructed frame.  The caller takes ownership of the frame.
164spdy::SpdyFrame* ConstructSpdyGoAway();
165
166// Construct a SPDY WINDOW_UPDATE frame.
167// Returns the constructed frame.  The caller takes ownership of the frame.
168spdy::SpdyFrame* ConstructSpdyWindowUpdate(spdy::SpdyStreamId,
169                                           uint32 delta_window_size);
170
171// Construct a SPDY RST_STREAM frame.
172// Returns the constructed frame.  The caller takes ownership of the frame.
173spdy::SpdyFrame* ConstructSpdyRstStream(spdy::SpdyStreamId stream_id,
174                                        spdy::SpdyStatusCodes status);
175
176// Construct a single SPDY header entry, for validation.
177// |extra_headers| are the extra header-value pairs.
178// |buffer| is the buffer we're filling in.
179// |index| is the index of the header we want.
180// Returns the number of bytes written into |buffer|.
181int ConstructSpdyHeader(const char* const extra_headers[],
182                        int extra_header_count,
183                        char* buffer,
184                        int buffer_length,
185                        int index);
186
187// Constructs a standard SPDY GET SYN packet, optionally compressed
188// for the url |url|.
189// |extra_headers| are the extra header-value pairs, which typically
190// will vary the most between calls.
191// Returns a SpdyFrame.
192spdy::SpdyFrame* ConstructSpdyGet(const char* const url,
193                                  bool compressed,
194                                  int stream_id,
195                                  RequestPriority request_priority);
196
197// Constructs a standard SPDY GET SYN packet, optionally compressed.
198// |extra_headers| are the extra header-value pairs, which typically
199// will vary the most between calls.
200// Returns a SpdyFrame.
201spdy::SpdyFrame* ConstructSpdyGet(const char* const extra_headers[],
202                                  int extra_header_count,
203                                  bool compressed,
204                                  int stream_id,
205                                  RequestPriority request_priority);
206
207// Constructs a standard SPDY GET SYN packet, optionally compressed.
208// |extra_headers| are the extra header-value pairs, which typically
209// will vary the most between calls.  If |direct| is false, the
210// the full url will be used instead of simply the path.
211// Returns a SpdyFrame.
212spdy::SpdyFrame* ConstructSpdyGet(const char* const extra_headers[],
213                                  int extra_header_count,
214                                  bool compressed,
215                                  int stream_id,
216                                  RequestPriority request_priority,
217                                  bool direct);
218
219// Constructs a standard SPDY SYN_STREAM frame for a CONNECT request.
220spdy::SpdyFrame* ConstructSpdyConnect(const char* const extra_headers[],
221                                      int extra_header_count,
222                                      int stream_id);
223
224// Constructs a standard SPDY push SYN packet.
225// |extra_headers| are the extra header-value pairs, which typically
226// will vary the most between calls.
227// Returns a SpdyFrame.
228spdy::SpdyFrame* ConstructSpdyPush(const char* const extra_headers[],
229                                  int extra_header_count,
230                                  int stream_id,
231                                  int associated_stream_id);
232spdy::SpdyFrame* ConstructSpdyPush(const char* const extra_headers[],
233                                  int extra_header_count,
234                                  int stream_id,
235                                  int associated_stream_id,
236                                  const char* url);
237spdy::SpdyFrame* ConstructSpdyPush(const char* const extra_headers[],
238                                  int extra_header_count,
239                                  int stream_id,
240                                  int associated_stream_id,
241                                  const char* url,
242                                  const char* status,
243                                  const char* location);
244spdy::SpdyFrame* ConstructSpdyPush(int stream_id,
245                                  int associated_stream_id,
246                                  const char* url);
247
248spdy::SpdyFrame* ConstructSpdyPushHeaders(int stream_id,
249                                          const char* const extra_headers[],
250                                          int extra_header_count);
251
252// Constructs a standard SPDY SYN_REPLY packet to match the SPDY GET.
253// |extra_headers| are the extra header-value pairs, which typically
254// will vary the most between calls.
255// Returns a SpdyFrame.
256spdy::SpdyFrame* ConstructSpdyGetSynReply(const char* const extra_headers[],
257                                          int extra_header_count,
258                                          int stream_id);
259
260// Constructs a standard SPDY SYN_REPLY packet to match the SPDY GET.
261// |extra_headers| are the extra header-value pairs, which typically
262// will vary the most between calls.
263// Returns a SpdyFrame.
264spdy::SpdyFrame* ConstructSpdyGetSynReplyRedirect(int stream_id);
265
266// Constructs a standard SPDY SYN_REPLY packet with an Internal Server
267// Error status code.
268// Returns a SpdyFrame.
269spdy::SpdyFrame* ConstructSpdySynReplyError(int stream_id);
270
271// Constructs a standard SPDY SYN_REPLY packet with the specified status code.
272// Returns a SpdyFrame.
273spdy::SpdyFrame* ConstructSpdySynReplyError(
274    const char* const status,
275    const char* const* const extra_headers,
276    int extra_header_count,
277    int stream_id);
278
279// Constructs a standard SPDY POST SYN packet.
280// |extra_headers| are the extra header-value pairs, which typically
281// will vary the most between calls.
282// Returns a SpdyFrame.
283spdy::SpdyFrame* ConstructSpdyPost(int64 content_length,
284                                   const char* const extra_headers[],
285                                   int extra_header_count);
286
287// Constructs a chunked transfer SPDY POST SYN packet.
288// |extra_headers| are the extra header-value pairs, which typically
289// will vary the most between calls.
290// Returns a SpdyFrame.
291spdy::SpdyFrame* ConstructChunkedSpdyPost(const char* const extra_headers[],
292                                          int extra_header_count);
293
294// Constructs a standard SPDY SYN_REPLY packet to match the SPDY POST.
295// |extra_headers| are the extra header-value pairs, which typically
296// will vary the most between calls.
297// Returns a SpdyFrame.
298spdy::SpdyFrame* ConstructSpdyPostSynReply(const char* const extra_headers[],
299                                           int extra_header_count);
300
301// Constructs a single SPDY data frame with the contents "hello!"
302spdy::SpdyFrame* ConstructSpdyBodyFrame(int stream_id,
303                                        bool fin);
304
305// Constructs a single SPDY data frame with the given content.
306spdy::SpdyFrame* ConstructSpdyBodyFrame(int stream_id, const char* data,
307                                        uint32 len, bool fin);
308
309// Wraps |frame| in the payload of a data frame in stream |stream_id|.
310spdy::SpdyFrame* ConstructWrappedSpdyFrame(
311    const scoped_ptr<spdy::SpdyFrame>& frame, int stream_id);
312
313// Create an async MockWrite from the given SpdyFrame.
314MockWrite CreateMockWrite(const spdy::SpdyFrame& req);
315
316// Create an async MockWrite from the given SpdyFrame and sequence number.
317MockWrite CreateMockWrite(const spdy::SpdyFrame& req, int seq);
318
319MockWrite CreateMockWrite(const spdy::SpdyFrame& req, int seq, bool async);
320
321// Create a MockRead from the given SpdyFrame.
322MockRead CreateMockRead(const spdy::SpdyFrame& resp);
323
324// Create a MockRead from the given SpdyFrame and sequence number.
325MockRead CreateMockRead(const spdy::SpdyFrame& resp, int seq);
326
327MockRead CreateMockRead(const spdy::SpdyFrame& resp, int seq, bool async);
328
329// Combines the given SpdyFrames into the given char array and returns
330// the total length.
331int CombineFrames(const spdy::SpdyFrame** frames, int num_frames,
332                  char* buff, int buff_len);
333
334// Helper to manage the lifetimes of the dependencies for a
335// HttpNetworkTransaction.
336class SpdySessionDependencies {
337 public:
338  // Default set of dependencies -- "null" proxy service.
339  SpdySessionDependencies();
340
341  // Custom proxy service dependency.
342  explicit SpdySessionDependencies(ProxyService* proxy_service);
343
344  ~SpdySessionDependencies();
345
346  static HttpNetworkSession* SpdyCreateSession(
347      SpdySessionDependencies* session_deps);
348  static HttpNetworkSession* SpdyCreateSessionDeterministic(
349      SpdySessionDependencies* session_deps);
350
351  // NOTE: host_resolver must be ordered before http_auth_handler_factory.
352  scoped_ptr<MockHostResolverBase> host_resolver;
353  scoped_ptr<CertVerifier> cert_verifier;
354  scoped_refptr<ProxyService> proxy_service;
355  scoped_refptr<SSLConfigService> ssl_config_service;
356  scoped_ptr<MockClientSocketFactory> socket_factory;
357  scoped_ptr<DeterministicMockClientSocketFactory> deterministic_socket_factory;
358  scoped_ptr<HttpAuthHandlerFactory> http_auth_handler_factory;
359};
360
361class SpdyURLRequestContext : public URLRequestContext {
362 public:
363  SpdyURLRequestContext();
364
365  MockClientSocketFactory& socket_factory() { return socket_factory_; }
366
367 protected:
368  virtual ~SpdyURLRequestContext();
369
370 private:
371  MockClientSocketFactory socket_factory_;
372};
373
374const SpdyHeaderInfo make_spdy_header(spdy::SpdyControlType type);
375}  // namespace net
376
377#endif  // NET_SPDY_SPDY_TEST_UTIL_H_
378