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
24 namespace net {
25
26 // Default upload data used by both, mock objects and framer when creating
27 // data frames.
28 const char kDefaultURL[] = "http://www.google.com";
29 const char kUploadData[] = "hello!";
30 const 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.
34 struct 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.
51 MockWrite* 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.
56 MockWrite* 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.
62 MockRead* 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.
67 MockRead* 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|.
74 void 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|
82 template<class T>
AppendToBuffer(const char * str,int len,T ** buffer_handle,int * buffer_len_remaining)83 int 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
103 int 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.
116 spdy::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.
123 spdy::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);
132 spdy::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|.
148 int 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.
156 spdy::SpdyFrame* ConstructSpdySettings(spdy::SpdySettings settings);
157
158 // Construct a SPDY GOAWAY frame.
159 // Returns the constructed frame. The caller takes ownership of the frame.
160 spdy::SpdyFrame* ConstructSpdyGoAway();
161
162 // Construct a SPDY WINDOW_UPDATE frame.
163 // Returns the constructed frame. The caller takes ownership of the frame.
164 spdy::SpdyFrame* ConstructSpdyWindowUpdate(spdy::SpdyStreamId,
165 uint32 delta_window_size);
166
167 // Construct a SPDY RST_STREAM frame.
168 // Returns the constructed frame. The caller takes ownership of the frame.
169 spdy::SpdyFrame* ConstructSpdyRstStream(spdy::SpdyStreamId stream_id,
170 spdy::SpdyStatusCodes status);
171
172 // Construct a single SPDY header entry, for validation.
173 // |extra_headers| are the extra header-value pairs.
174 // |buffer| is the buffer we're filling in.
175 // |index| is the index of the header we want.
176 // Returns the number of bytes written into |buffer|.
177 int ConstructSpdyHeader(const char* const extra_headers[],
178 int extra_header_count,
179 char* buffer,
180 int buffer_length,
181 int index);
182
183 // Constructs a standard SPDY GET SYN packet, optionally compressed
184 // for the url |url|.
185 // |extra_headers| are the extra header-value pairs, which typically
186 // will vary the most between calls.
187 // Returns a SpdyFrame.
188 spdy::SpdyFrame* ConstructSpdyGet(const char* const url,
189 bool compressed,
190 int stream_id,
191 RequestPriority request_priority);
192
193 // Constructs a standard SPDY GET SYN packet, optionally compressed.
194 // |extra_headers| are the extra header-value pairs, which typically
195 // will vary the most between calls.
196 // Returns a SpdyFrame.
197 spdy::SpdyFrame* ConstructSpdyGet(const char* const extra_headers[],
198 int extra_header_count,
199 bool compressed,
200 int stream_id,
201 RequestPriority request_priority);
202
203 // Constructs a standard SPDY GET SYN packet, optionally compressed.
204 // |extra_headers| are the extra header-value pairs, which typically
205 // will vary the most between calls. If |direct| is false, the
206 // the full url will be used instead of simply the path.
207 // Returns a SpdyFrame.
208 spdy::SpdyFrame* ConstructSpdyGet(const char* const extra_headers[],
209 int extra_header_count,
210 bool compressed,
211 int stream_id,
212 RequestPriority request_priority,
213 bool direct);
214
215 // Constructs a standard SPDY SYN_STREAM frame for a CONNECT request.
216 spdy::SpdyFrame* ConstructSpdyConnect(const char* const extra_headers[],
217 int extra_header_count,
218 int stream_id);
219
220 // Constructs a standard SPDY push SYN packet.
221 // |extra_headers| are the extra header-value pairs, which typically
222 // will vary the most between calls.
223 // Returns a SpdyFrame.
224 spdy::SpdyFrame* ConstructSpdyPush(const char* const extra_headers[],
225 int extra_header_count,
226 int stream_id,
227 int associated_stream_id);
228 spdy::SpdyFrame* ConstructSpdyPush(const char* const extra_headers[],
229 int extra_header_count,
230 int stream_id,
231 int associated_stream_id,
232 const char* url);
233 spdy::SpdyFrame* ConstructSpdyPush(const char* const extra_headers[],
234 int extra_header_count,
235 int stream_id,
236 int associated_stream_id,
237 const char* url,
238 const char* status,
239 const char* location);
240 spdy::SpdyFrame* ConstructSpdyPush(int stream_id,
241 int associated_stream_id,
242 const char* url);
243
244 spdy::SpdyFrame* ConstructSpdyPushHeaders(int stream_id,
245 const char* const extra_headers[],
246 int extra_header_count);
247
248 // Constructs a standard SPDY SYN_REPLY packet to match the SPDY GET.
249 // |extra_headers| are the extra header-value pairs, which typically
250 // will vary the most between calls.
251 // Returns a SpdyFrame.
252 spdy::SpdyFrame* ConstructSpdyGetSynReply(const char* const extra_headers[],
253 int extra_header_count,
254 int stream_id);
255
256 // Constructs a standard SPDY SYN_REPLY packet to match the SPDY GET.
257 // |extra_headers| are the extra header-value pairs, which typically
258 // will vary the most between calls.
259 // Returns a SpdyFrame.
260 spdy::SpdyFrame* ConstructSpdyGetSynReplyRedirect(int stream_id);
261
262 // Constructs a standard SPDY SYN_REPLY packet with an Internal Server
263 // Error status code.
264 // Returns a SpdyFrame.
265 spdy::SpdyFrame* ConstructSpdySynReplyError(int stream_id);
266
267 // Constructs a standard SPDY SYN_REPLY packet with the specified status code.
268 // Returns a SpdyFrame.
269 spdy::SpdyFrame* ConstructSpdySynReplyError(
270 const char* const status,
271 const char* const* const extra_headers,
272 int extra_header_count,
273 int stream_id);
274
275 // Constructs a standard SPDY POST SYN packet.
276 // |extra_headers| are the extra header-value pairs, which typically
277 // will vary the most between calls.
278 // Returns a SpdyFrame.
279 spdy::SpdyFrame* ConstructSpdyPost(int64 content_length,
280 const char* const extra_headers[],
281 int extra_header_count);
282
283 // Constructs a chunked transfer SPDY POST SYN packet.
284 // |extra_headers| are the extra header-value pairs, which typically
285 // will vary the most between calls.
286 // Returns a SpdyFrame.
287 spdy::SpdyFrame* ConstructChunkedSpdyPost(const char* const extra_headers[],
288 int extra_header_count);
289
290 // Constructs a standard SPDY SYN_REPLY packet to match the SPDY POST.
291 // |extra_headers| are the extra header-value pairs, which typically
292 // will vary the most between calls.
293 // Returns a SpdyFrame.
294 spdy::SpdyFrame* ConstructSpdyPostSynReply(const char* const extra_headers[],
295 int extra_header_count);
296
297 // Constructs a single SPDY data frame with the contents "hello!"
298 spdy::SpdyFrame* ConstructSpdyBodyFrame(int stream_id,
299 bool fin);
300
301 // Constructs a single SPDY data frame with the given content.
302 spdy::SpdyFrame* ConstructSpdyBodyFrame(int stream_id, const char* data,
303 uint32 len, bool fin);
304
305 // Wraps |frame| in the payload of a data frame in stream |stream_id|.
306 spdy::SpdyFrame* ConstructWrappedSpdyFrame(
307 const scoped_ptr<spdy::SpdyFrame>& frame, int stream_id);
308
309 // Create an async MockWrite from the given SpdyFrame.
310 MockWrite CreateMockWrite(const spdy::SpdyFrame& req);
311
312 // Create an async MockWrite from the given SpdyFrame and sequence number.
313 MockWrite CreateMockWrite(const spdy::SpdyFrame& req, int seq);
314
315 MockWrite CreateMockWrite(const spdy::SpdyFrame& req, int seq, bool async);
316
317 // Create a MockRead from the given SpdyFrame.
318 MockRead CreateMockRead(const spdy::SpdyFrame& resp);
319
320 // Create a MockRead from the given SpdyFrame and sequence number.
321 MockRead CreateMockRead(const spdy::SpdyFrame& resp, int seq);
322
323 MockRead CreateMockRead(const spdy::SpdyFrame& resp, int seq, bool async);
324
325 // Combines the given SpdyFrames into the given char array and returns
326 // the total length.
327 int CombineFrames(const spdy::SpdyFrame** frames, int num_frames,
328 char* buff, int buff_len);
329
330 // Helper to manage the lifetimes of the dependencies for a
331 // HttpNetworkTransaction.
332 class SpdySessionDependencies {
333 public:
334 // Default set of dependencies -- "null" proxy service.
335 SpdySessionDependencies();
336
337 // Custom proxy service dependency.
338 explicit SpdySessionDependencies(ProxyService* proxy_service);
339
340 ~SpdySessionDependencies();
341
342 static HttpNetworkSession* SpdyCreateSession(
343 SpdySessionDependencies* session_deps);
344 static HttpNetworkSession* SpdyCreateSessionDeterministic(
345 SpdySessionDependencies* session_deps);
346
347 // NOTE: host_resolver must be ordered before http_auth_handler_factory.
348 scoped_ptr<MockHostResolverBase> host_resolver;
349 scoped_ptr<CertVerifier> cert_verifier;
350 scoped_refptr<ProxyService> proxy_service;
351 scoped_refptr<SSLConfigService> ssl_config_service;
352 scoped_ptr<MockClientSocketFactory> socket_factory;
353 scoped_ptr<DeterministicMockClientSocketFactory> deterministic_socket_factory;
354 scoped_ptr<HttpAuthHandlerFactory> http_auth_handler_factory;
355 };
356
357 class SpdyURLRequestContext : public URLRequestContext {
358 public:
359 SpdyURLRequestContext();
360
socket_factory()361 MockClientSocketFactory& socket_factory() { return socket_factory_; }
362
363 protected:
364 virtual ~SpdyURLRequestContext();
365
366 private:
367 MockClientSocketFactory socket_factory_;
368 };
369
370 const SpdyHeaderInfo make_spdy_header(spdy::SpdyControlType type);
371 } // namespace net
372
373 #endif // NET_SPDY_SPDY_TEST_UTIL_H_
374