OLD | NEW |
1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef IPC_IPC_MESSAGE_UTILS_H_ | 5 #ifndef IPC_IPC_MESSAGE_UTILS_H_ |
6 #define IPC_IPC_MESSAGE_UTILS_H_ | 6 #define IPC_IPC_MESSAGE_UTILS_H_ |
7 | 7 |
8 #include <algorithm> | 8 #include <algorithm> |
9 #include <map> | 9 #include <map> |
10 #include <set> | 10 #include <set> |
(...skipping 78 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
89 struct NoParams { | 89 struct NoParams { |
90 }; | 90 }; |
91 | 91 |
92 template <class P> | 92 template <class P> |
93 static inline void WriteParam(Message* m, const P& p) { | 93 static inline void WriteParam(Message* m, const P& p) { |
94 typedef typename SimilarTypeTraits<P>::Type Type; | 94 typedef typename SimilarTypeTraits<P>::Type Type; |
95 ParamTraits<Type>::Write(m, static_cast<const Type& >(p)); | 95 ParamTraits<Type>::Write(m, static_cast<const Type& >(p)); |
96 } | 96 } |
97 | 97 |
98 template <class P> | 98 template <class P> |
99 static inline bool WARN_UNUSED_RESULT ReadParam(const Message* m, | 99 static inline bool WARN_UNUSED_RESULT |
100 base::PickleIterator* iter, | 100 ReadParam(const Message* m, base::PickleIterator* iter, P* p) { |
101 P* p) { | |
102 typedef typename SimilarTypeTraits<P>::Type Type; | 101 typedef typename SimilarTypeTraits<P>::Type Type; |
103 return ParamTraits<Type>::Read(m, iter, reinterpret_cast<Type* >(p)); | 102 return ParamTraits<Type>::Read(m, iter, reinterpret_cast<Type* >(p)); |
104 } | 103 } |
105 | 104 |
106 template <class P> | 105 template <class P> |
107 static inline void LogParam(const P& p, std::string* l) { | 106 static inline void LogParam(const P& p, std::string* l) { |
108 typedef typename SimilarTypeTraits<P>::Type Type; | 107 typedef typename SimilarTypeTraits<P>::Type Type; |
109 ParamTraits<Type>::Log(static_cast<const Type& >(p), l); | 108 ParamTraits<Type>::Log(static_cast<const Type& >(p), l); |
110 } | 109 } |
111 | 110 |
112 // Primitive ParamTraits ------------------------------------------------------- | 111 // Primitive ParamTraits ------------------------------------------------------- |
113 | 112 |
114 template <> | 113 template <> |
115 struct ParamTraits<bool> { | 114 struct ParamTraits<bool> { |
116 typedef bool param_type; | 115 typedef bool param_type; |
117 static void Write(Message* m, const param_type& p) { | 116 static void Write(Message* m, const param_type& p) { |
118 m->WriteBool(p); | 117 m->WriteBool(p); |
119 } | 118 } |
120 static bool Read(const Message* m, base::PickleIterator* iter, | 119 static bool Read(const Message* m, |
| 120 base::PickleIterator* iter, |
121 param_type* r) { | 121 param_type* r) { |
122 return iter->ReadBool(r); | 122 return iter->ReadBool(r); |
123 } | 123 } |
124 IPC_EXPORT static void Log(const param_type& p, std::string* l); | 124 IPC_EXPORT static void Log(const param_type& p, std::string* l); |
125 }; | 125 }; |
126 | 126 |
127 template <> | 127 template <> |
128 struct IPC_EXPORT ParamTraits<unsigned char> { | 128 struct IPC_EXPORT ParamTraits<unsigned char> { |
129 typedef unsigned char param_type; | 129 typedef unsigned char param_type; |
130 static void Write(Message* m, const param_type& p); | 130 static void Write(Message* m, const param_type& p); |
131 static bool Read(const Message* m, PickleIterator* iter, param_type* r); | 131 static bool Read(const Message* m, base::PickleIterator* iter, param_type* r); |
132 static void Log(const param_type& p, std::string* l); | 132 static void Log(const param_type& p, std::string* l); |
133 }; | 133 }; |
134 | 134 |
135 template <> | 135 template <> |
136 struct IPC_EXPORT ParamTraits<unsigned short> { | 136 struct IPC_EXPORT ParamTraits<unsigned short> { |
137 typedef unsigned short param_type; | 137 typedef unsigned short param_type; |
138 static void Write(Message* m, const param_type& p); | 138 static void Write(Message* m, const param_type& p); |
139 static bool Read(const Message* m, base::PickleIterator* iter, param_type* r); | 139 static bool Read(const Message* m, |
| 140 base::PickleIterator* iter, |
| 141 param_type* r); |
140 static void Log(const param_type& p, std::string* l); | 142 static void Log(const param_type& p, std::string* l); |
141 }; | 143 }; |
142 | 144 |
143 template <> | 145 template <> |
144 struct ParamTraits<int> { | 146 struct ParamTraits<int> { |
145 typedef int param_type; | 147 typedef int param_type; |
146 static void Write(Message* m, const param_type& p) { | 148 static void Write(Message* m, const param_type& p) { |
147 m->WriteInt(p); | 149 m->WriteInt(p); |
148 } | 150 } |
149 static bool Read(const Message* m, base::PickleIterator* iter, | 151 static bool Read(const Message* m, |
| 152 base::PickleIterator* iter, |
150 param_type* r) { | 153 param_type* r) { |
151 return iter->ReadInt(r); | 154 return iter->ReadInt(r); |
152 } | 155 } |
153 IPC_EXPORT static void Log(const param_type& p, std::string* l); | 156 IPC_EXPORT static void Log(const param_type& p, std::string* l); |
154 }; | 157 }; |
155 | 158 |
156 template <> | 159 template <> |
157 struct ParamTraits<unsigned int> { | 160 struct ParamTraits<unsigned int> { |
158 typedef unsigned int param_type; | 161 typedef unsigned int param_type; |
159 static void Write(Message* m, const param_type& p) { | 162 static void Write(Message* m, const param_type& p) { |
160 m->WriteInt(p); | 163 m->WriteInt(p); |
161 } | 164 } |
162 static bool Read(const Message* m, base::PickleIterator* iter, | 165 static bool Read(const Message* m, |
| 166 base::PickleIterator* iter, |
163 param_type* r) { | 167 param_type* r) { |
164 return iter->ReadInt(reinterpret_cast<int*>(r)); | 168 return iter->ReadInt(reinterpret_cast<int*>(r)); |
165 } | 169 } |
166 IPC_EXPORT static void Log(const param_type& p, std::string* l); | 170 IPC_EXPORT static void Log(const param_type& p, std::string* l); |
167 }; | 171 }; |
168 | 172 |
169 template <> | 173 template <> |
170 struct ParamTraits<long> { | 174 struct ParamTraits<long> { |
171 typedef long param_type; | 175 typedef long param_type; |
172 static void Write(Message* m, const param_type& p) { | 176 static void Write(Message* m, const param_type& p) { |
173 m->WriteLongUsingDangerousNonPortableLessPersistableForm(p); | 177 m->WriteLongUsingDangerousNonPortableLessPersistableForm(p); |
174 } | 178 } |
175 static bool Read(const Message* m, base::PickleIterator* iter, | 179 static bool Read(const Message* m, |
| 180 base::PickleIterator* iter, |
176 param_type* r) { | 181 param_type* r) { |
177 return iter->ReadLong(r); | 182 return iter->ReadLong(r); |
178 } | 183 } |
179 IPC_EXPORT static void Log(const param_type& p, std::string* l); | 184 IPC_EXPORT static void Log(const param_type& p, std::string* l); |
180 }; | 185 }; |
181 | 186 |
182 template <> | 187 template <> |
183 struct ParamTraits<unsigned long> { | 188 struct ParamTraits<unsigned long> { |
184 typedef unsigned long param_type; | 189 typedef unsigned long param_type; |
185 static void Write(Message* m, const param_type& p) { | 190 static void Write(Message* m, const param_type& p) { |
186 m->WriteLongUsingDangerousNonPortableLessPersistableForm(p); | 191 m->WriteLongUsingDangerousNonPortableLessPersistableForm(p); |
187 } | 192 } |
188 static bool Read(const Message* m, base::PickleIterator* iter, | 193 static bool Read(const Message* m, |
| 194 base::PickleIterator* iter, |
189 param_type* r) { | 195 param_type* r) { |
190 return iter->ReadLong(reinterpret_cast<long*>(r)); | 196 return iter->ReadLong(reinterpret_cast<long*>(r)); |
191 } | 197 } |
192 IPC_EXPORT static void Log(const param_type& p, std::string* l); | 198 IPC_EXPORT static void Log(const param_type& p, std::string* l); |
193 }; | 199 }; |
194 | 200 |
195 template <> | 201 template <> |
196 struct ParamTraits<long long> { | 202 struct ParamTraits<long long> { |
197 typedef long long param_type; | 203 typedef long long param_type; |
198 static void Write(Message* m, const param_type& p) { | 204 static void Write(Message* m, const param_type& p) { |
199 m->WriteInt64(static_cast<int64>(p)); | 205 m->WriteInt64(static_cast<int64>(p)); |
200 } | 206 } |
201 static bool Read(const Message* m, base::PickleIterator* iter, | 207 static bool Read(const Message* m, |
| 208 base::PickleIterator* iter, |
202 param_type* r) { | 209 param_type* r) { |
203 return iter->ReadInt64(reinterpret_cast<int64*>(r)); | 210 return iter->ReadInt64(reinterpret_cast<int64*>(r)); |
204 } | 211 } |
205 IPC_EXPORT static void Log(const param_type& p, std::string* l); | 212 IPC_EXPORT static void Log(const param_type& p, std::string* l); |
206 }; | 213 }; |
207 | 214 |
208 template <> | 215 template <> |
209 struct ParamTraits<unsigned long long> { | 216 struct ParamTraits<unsigned long long> { |
210 typedef unsigned long long param_type; | 217 typedef unsigned long long param_type; |
211 static void Write(Message* m, const param_type& p) { | 218 static void Write(Message* m, const param_type& p) { |
212 m->WriteInt64(p); | 219 m->WriteInt64(p); |
213 } | 220 } |
214 static bool Read(const Message* m, base::PickleIterator* iter, | 221 static bool Read(const Message* m, |
| 222 base::PickleIterator* iter, |
215 param_type* r) { | 223 param_type* r) { |
216 return iter->ReadInt64(reinterpret_cast<int64*>(r)); | 224 return iter->ReadInt64(reinterpret_cast<int64*>(r)); |
217 } | 225 } |
218 IPC_EXPORT static void Log(const param_type& p, std::string* l); | 226 IPC_EXPORT static void Log(const param_type& p, std::string* l); |
219 }; | 227 }; |
220 | 228 |
221 // Note that the IPC layer doesn't sanitize NaNs and +/- INF values. Clients | 229 // Note that the IPC layer doesn't sanitize NaNs and +/- INF values. Clients |
222 // should be sure to check the sanity of these values after receiving them over | 230 // should be sure to check the sanity of these values after receiving them over |
223 // IPC. | 231 // IPC. |
224 template <> | 232 template <> |
225 struct IPC_EXPORT ParamTraits<float> { | 233 struct IPC_EXPORT ParamTraits<float> { |
226 typedef float param_type; | 234 typedef float param_type; |
227 static void Write(Message* m, const param_type& p) { | 235 static void Write(Message* m, const param_type& p) { |
228 m->WriteFloat(p); | 236 m->WriteFloat(p); |
229 } | 237 } |
230 static bool Read(const Message* m, base::PickleIterator* iter, | 238 static bool Read(const Message* m, |
| 239 base::PickleIterator* iter, |
231 param_type* r) { | 240 param_type* r) { |
232 return iter->ReadFloat(r); | 241 return iter->ReadFloat(r); |
233 } | 242 } |
234 static void Log(const param_type& p, std::string* l); | 243 static void Log(const param_type& p, std::string* l); |
235 }; | 244 }; |
236 | 245 |
237 template <> | 246 template <> |
238 struct IPC_EXPORT ParamTraits<double> { | 247 struct IPC_EXPORT ParamTraits<double> { |
239 typedef double param_type; | 248 typedef double param_type; |
240 static void Write(Message* m, const param_type& p); | 249 static void Write(Message* m, const param_type& p); |
241 static bool Read(const Message* m, base::PickleIterator* iter, param_type* r); | 250 static bool Read(const Message* m, |
| 251 base::PickleIterator* iter, |
| 252 param_type* r); |
242 static void Log(const param_type& p, std::string* l); | 253 static void Log(const param_type& p, std::string* l); |
243 }; | 254 }; |
244 | 255 |
245 // STL ParamTraits ------------------------------------------------------------- | 256 // STL ParamTraits ------------------------------------------------------------- |
246 | 257 |
247 template <> | 258 template <> |
248 struct ParamTraits<std::string> { | 259 struct ParamTraits<std::string> { |
249 typedef std::string param_type; | 260 typedef std::string param_type; |
250 static void Write(Message* m, const param_type& p) { | 261 static void Write(Message* m, const param_type& p) { |
251 m->WriteString(p); | 262 m->WriteString(p); |
252 } | 263 } |
253 static bool Read(const Message* m, base::PickleIterator* iter, | 264 static bool Read(const Message* m, |
| 265 base::PickleIterator* iter, |
254 param_type* r) { | 266 param_type* r) { |
255 return iter->ReadString(r); | 267 return iter->ReadString(r); |
256 } | 268 } |
257 IPC_EXPORT static void Log(const param_type& p, std::string* l); | 269 IPC_EXPORT static void Log(const param_type& p, std::string* l); |
258 }; | 270 }; |
259 | 271 |
260 template <> | 272 template <> |
261 struct ParamTraits<base::string16> { | 273 struct ParamTraits<base::string16> { |
262 typedef base::string16 param_type; | 274 typedef base::string16 param_type; |
263 static void Write(Message* m, const param_type& p) { | 275 static void Write(Message* m, const param_type& p) { |
264 m->WriteString16(p); | 276 m->WriteString16(p); |
265 } | 277 } |
266 static bool Read(const Message* m, base::PickleIterator* iter, | 278 static bool Read(const Message* m, |
| 279 base::PickleIterator* iter, |
267 param_type* r) { | 280 param_type* r) { |
268 return iter->ReadString16(r); | 281 return iter->ReadString16(r); |
269 } | 282 } |
270 IPC_EXPORT static void Log(const param_type& p, std::string* l); | 283 IPC_EXPORT static void Log(const param_type& p, std::string* l); |
271 }; | 284 }; |
272 | 285 |
273 template <> | 286 template <> |
274 struct IPC_EXPORT ParamTraits<std::vector<char> > { | 287 struct IPC_EXPORT ParamTraits<std::vector<char> > { |
275 typedef std::vector<char> param_type; | 288 typedef std::vector<char> param_type; |
276 static void Write(Message* m, const param_type& p); | 289 static void Write(Message* m, const param_type& p); |
277 static bool Read(const Message*, base::PickleIterator* iter, param_type* r); | 290 static bool Read(const Message*, |
| 291 base::PickleIterator* iter, |
| 292 param_type* r); |
278 static void Log(const param_type& p, std::string* l); | 293 static void Log(const param_type& p, std::string* l); |
279 }; | 294 }; |
280 | 295 |
281 template <> | 296 template <> |
282 struct IPC_EXPORT ParamTraits<std::vector<unsigned char> > { | 297 struct IPC_EXPORT ParamTraits<std::vector<unsigned char> > { |
283 typedef std::vector<unsigned char> param_type; | 298 typedef std::vector<unsigned char> param_type; |
284 static void Write(Message* m, const param_type& p); | 299 static void Write(Message* m, const param_type& p); |
285 static bool Read(const Message* m, base::PickleIterator* iter, param_type* r); | 300 static bool Read(const Message* m, |
| 301 base::PickleIterator* iter, |
| 302 param_type* r); |
286 static void Log(const param_type& p, std::string* l); | 303 static void Log(const param_type& p, std::string* l); |
287 }; | 304 }; |
288 | 305 |
289 template <> | 306 template <> |
290 struct IPC_EXPORT ParamTraits<std::vector<bool> > { | 307 struct IPC_EXPORT ParamTraits<std::vector<bool> > { |
291 typedef std::vector<bool> param_type; | 308 typedef std::vector<bool> param_type; |
292 static void Write(Message* m, const param_type& p); | 309 static void Write(Message* m, const param_type& p); |
293 static bool Read(const Message* m, base::PickleIterator* iter, param_type* r); | 310 static bool Read(const Message* m, |
| 311 base::PickleIterator* iter, |
| 312 param_type* r); |
294 static void Log(const param_type& p, std::string* l); | 313 static void Log(const param_type& p, std::string* l); |
295 }; | 314 }; |
296 | 315 |
297 template <class P> | 316 template <class P> |
298 struct ParamTraits<std::vector<P> > { | 317 struct ParamTraits<std::vector<P> > { |
299 typedef std::vector<P> param_type; | 318 typedef std::vector<P> param_type; |
300 static void Write(Message* m, const param_type& p) { | 319 static void Write(Message* m, const param_type& p) { |
301 WriteParam(m, static_cast<int>(p.size())); | 320 WriteParam(m, static_cast<int>(p.size())); |
302 for (size_t i = 0; i < p.size(); i++) | 321 for (size_t i = 0; i < p.size(); i++) |
303 WriteParam(m, p[i]); | 322 WriteParam(m, p[i]); |
304 } | 323 } |
305 static bool Read(const Message* m, base::PickleIterator* iter, | 324 static bool Read(const Message* m, |
| 325 base::PickleIterator* iter, |
306 param_type* r) { | 326 param_type* r) { |
307 int size; | 327 int size; |
308 // ReadLength() checks for < 0 itself. | 328 // ReadLength() checks for < 0 itself. |
309 if (!iter->ReadLength(&size)) | 329 if (!iter->ReadLength(&size)) |
310 return false; | 330 return false; |
311 // Resizing beforehand is not safe, see BUG 1006367 for details. | 331 // Resizing beforehand is not safe, see BUG 1006367 for details. |
312 if (INT_MAX / sizeof(P) <= static_cast<size_t>(size)) | 332 if (INT_MAX / sizeof(P) <= static_cast<size_t>(size)) |
313 return false; | 333 return false; |
314 r->resize(size); | 334 r->resize(size); |
315 for (int i = 0; i < size; i++) { | 335 for (int i = 0; i < size; i++) { |
(...skipping 13 matching lines...) Expand all Loading... |
329 | 349 |
330 template <class P> | 350 template <class P> |
331 struct ParamTraits<std::set<P> > { | 351 struct ParamTraits<std::set<P> > { |
332 typedef std::set<P> param_type; | 352 typedef std::set<P> param_type; |
333 static void Write(Message* m, const param_type& p) { | 353 static void Write(Message* m, const param_type& p) { |
334 WriteParam(m, static_cast<int>(p.size())); | 354 WriteParam(m, static_cast<int>(p.size())); |
335 typename param_type::const_iterator iter; | 355 typename param_type::const_iterator iter; |
336 for (iter = p.begin(); iter != p.end(); ++iter) | 356 for (iter = p.begin(); iter != p.end(); ++iter) |
337 WriteParam(m, *iter); | 357 WriteParam(m, *iter); |
338 } | 358 } |
339 static bool Read(const Message* m, base::PickleIterator* iter, | 359 static bool Read(const Message* m, |
| 360 base::PickleIterator* iter, |
340 param_type* r) { | 361 param_type* r) { |
341 int size; | 362 int size; |
342 if (!iter->ReadLength(&size)) | 363 if (!iter->ReadLength(&size)) |
343 return false; | 364 return false; |
344 for (int i = 0; i < size; ++i) { | 365 for (int i = 0; i < size; ++i) { |
345 P item; | 366 P item; |
346 if (!ReadParam(m, iter, &item)) | 367 if (!ReadParam(m, iter, &item)) |
347 return false; | 368 return false; |
348 r->insert(item); | 369 r->insert(item); |
349 } | 370 } |
350 return true; | 371 return true; |
351 } | 372 } |
352 static void Log(const param_type& p, std::string* l) { | 373 static void Log(const param_type& p, std::string* l) { |
353 l->append("<std::set>"); | 374 l->append("<std::set>"); |
354 } | 375 } |
355 }; | 376 }; |
356 | 377 |
357 template <class K, class V, class C, class A> | 378 template <class K, class V, class C, class A> |
358 struct ParamTraits<std::map<K, V, C, A> > { | 379 struct ParamTraits<std::map<K, V, C, A> > { |
359 typedef std::map<K, V, C, A> param_type; | 380 typedef std::map<K, V, C, A> param_type; |
360 static void Write(Message* m, const param_type& p) { | 381 static void Write(Message* m, const param_type& p) { |
361 WriteParam(m, static_cast<int>(p.size())); | 382 WriteParam(m, static_cast<int>(p.size())); |
362 typename param_type::const_iterator iter; | 383 typename param_type::const_iterator iter; |
363 for (iter = p.begin(); iter != p.end(); ++iter) { | 384 for (iter = p.begin(); iter != p.end(); ++iter) { |
364 WriteParam(m, iter->first); | 385 WriteParam(m, iter->first); |
365 WriteParam(m, iter->second); | 386 WriteParam(m, iter->second); |
366 } | 387 } |
367 } | 388 } |
368 static bool Read(const Message* m, base::PickleIterator* iter, | 389 static bool Read(const Message* m, |
| 390 base::PickleIterator* iter, |
369 param_type* r) { | 391 param_type* r) { |
370 int size; | 392 int size; |
371 if (!ReadParam(m, iter, &size) || size < 0) | 393 if (!ReadParam(m, iter, &size) || size < 0) |
372 return false; | 394 return false; |
373 for (int i = 0; i < size; ++i) { | 395 for (int i = 0; i < size; ++i) { |
374 K k; | 396 K k; |
375 if (!ReadParam(m, iter, &k)) | 397 if (!ReadParam(m, iter, &k)) |
376 return false; | 398 return false; |
377 V& value = (*r)[k]; | 399 V& value = (*r)[k]; |
378 if (!ReadParam(m, iter, &value)) | 400 if (!ReadParam(m, iter, &value)) |
379 return false; | 401 return false; |
380 } | 402 } |
381 return true; | 403 return true; |
382 } | 404 } |
383 static void Log(const param_type& p, std::string* l) { | 405 static void Log(const param_type& p, std::string* l) { |
384 l->append("<std::map>"); | 406 l->append("<std::map>"); |
385 } | 407 } |
386 }; | 408 }; |
387 | 409 |
388 template <class A, class B> | 410 template <class A, class B> |
389 struct ParamTraits<std::pair<A, B> > { | 411 struct ParamTraits<std::pair<A, B> > { |
390 typedef std::pair<A, B> param_type; | 412 typedef std::pair<A, B> param_type; |
391 static void Write(Message* m, const param_type& p) { | 413 static void Write(Message* m, const param_type& p) { |
392 WriteParam(m, p.first); | 414 WriteParam(m, p.first); |
393 WriteParam(m, p.second); | 415 WriteParam(m, p.second); |
394 } | 416 } |
395 static bool Read(const Message* m, base::PickleIterator* iter, | 417 static bool Read(const Message* m, |
| 418 base::PickleIterator* iter, |
396 param_type* r) { | 419 param_type* r) { |
397 return ReadParam(m, iter, &r->first) && ReadParam(m, iter, &r->second); | 420 return ReadParam(m, iter, &r->first) && ReadParam(m, iter, &r->second); |
398 } | 421 } |
399 static void Log(const param_type& p, std::string* l) { | 422 static void Log(const param_type& p, std::string* l) { |
400 l->append("("); | 423 l->append("("); |
401 LogParam(p.first, l); | 424 LogParam(p.first, l); |
402 l->append(", "); | 425 l->append(", "); |
403 LogParam(p.second, l); | 426 LogParam(p.second, l); |
404 l->append(")"); | 427 l->append(")"); |
405 } | 428 } |
406 }; | 429 }; |
407 | 430 |
408 // Base ParamTraits ------------------------------------------------------------ | 431 // Base ParamTraits ------------------------------------------------------------ |
409 | 432 |
410 template <> | 433 template <> |
411 struct IPC_EXPORT ParamTraits<base::DictionaryValue> { | 434 struct IPC_EXPORT ParamTraits<base::DictionaryValue> { |
412 typedef base::DictionaryValue param_type; | 435 typedef base::DictionaryValue param_type; |
413 static void Write(Message* m, const param_type& p); | 436 static void Write(Message* m, const param_type& p); |
414 static bool Read(const Message* m, base::PickleIterator* iter, param_type* r); | 437 static bool Read(const Message* m, |
| 438 base::PickleIterator* iter, |
| 439 param_type* r); |
415 static void Log(const param_type& p, std::string* l); | 440 static void Log(const param_type& p, std::string* l); |
416 }; | 441 }; |
417 | 442 |
418 #if defined(OS_POSIX) | 443 #if defined(OS_POSIX) |
419 // FileDescriptors may be serialised over IPC channels on POSIX. On the | 444 // FileDescriptors may be serialised over IPC channels on POSIX. On the |
420 // receiving side, the FileDescriptor is a valid duplicate of the file | 445 // receiving side, the FileDescriptor is a valid duplicate of the file |
421 // descriptor which was transmitted: *it is not just a copy of the integer like | 446 // descriptor which was transmitted: *it is not just a copy of the integer like |
422 // HANDLEs on Windows*. The only exception is if the file descriptor is < 0. In | 447 // HANDLEs on Windows*. The only exception is if the file descriptor is < 0. In |
423 // this case, the receiving end will see a value of -1. *Zero is a valid file | 448 // this case, the receiving end will see a value of -1. *Zero is a valid file |
424 // descriptor*. | 449 // descriptor*. |
425 // | 450 // |
426 // The received file descriptor will have the |auto_close| flag set to true. The | 451 // The received file descriptor will have the |auto_close| flag set to true. The |
427 // code which handles the message is responsible for taking ownership of it. | 452 // code which handles the message is responsible for taking ownership of it. |
428 // File descriptors are OS resources and must be closed when no longer needed. | 453 // File descriptors are OS resources and must be closed when no longer needed. |
429 // | 454 // |
430 // When sending a file descriptor, the file descriptor must be valid at the time | 455 // When sending a file descriptor, the file descriptor must be valid at the time |
431 // of transmission. Since transmission is not synchronous, one should consider | 456 // of transmission. Since transmission is not synchronous, one should consider |
432 // dup()ing any file descriptors to be transmitted and setting the |auto_close| | 457 // dup()ing any file descriptors to be transmitted and setting the |auto_close| |
433 // flag, which causes the file descriptor to be closed after writing. | 458 // flag, which causes the file descriptor to be closed after writing. |
434 template<> | 459 template<> |
435 struct IPC_EXPORT ParamTraits<base::FileDescriptor> { | 460 struct IPC_EXPORT ParamTraits<base::FileDescriptor> { |
436 typedef base::FileDescriptor param_type; | 461 typedef base::FileDescriptor param_type; |
437 static void Write(Message* m, const param_type& p); | 462 static void Write(Message* m, const param_type& p); |
438 static bool Read(const Message* m, base::PickleIterator* iter, param_type* r); | 463 static bool Read(const Message* m, |
| 464 base::PickleIterator* iter, |
| 465 param_type* r); |
439 static void Log(const param_type& p, std::string* l); | 466 static void Log(const param_type& p, std::string* l); |
440 }; | 467 }; |
441 #endif // defined(OS_POSIX) | 468 #endif // defined(OS_POSIX) |
442 | 469 |
443 template <> | 470 template <> |
444 struct IPC_EXPORT ParamTraits<base::FilePath> { | 471 struct IPC_EXPORT ParamTraits<base::FilePath> { |
445 typedef base::FilePath param_type; | 472 typedef base::FilePath param_type; |
446 static void Write(Message* m, const param_type& p); | 473 static void Write(Message* m, const param_type& p); |
447 static bool Read(const Message* m, base::PickleIterator* iter, param_type* r); | 474 static bool Read(const Message* m, |
| 475 base::PickleIterator* iter, |
| 476 param_type* r); |
448 static void Log(const param_type& p, std::string* l); | 477 static void Log(const param_type& p, std::string* l); |
449 }; | 478 }; |
450 | 479 |
451 template <> | 480 template <> |
452 struct IPC_EXPORT ParamTraits<base::ListValue> { | 481 struct IPC_EXPORT ParamTraits<base::ListValue> { |
453 typedef base::ListValue param_type; | 482 typedef base::ListValue param_type; |
454 static void Write(Message* m, const param_type& p); | 483 static void Write(Message* m, const param_type& p); |
455 static bool Read(const Message* m, base::PickleIterator* iter, param_type* r); | 484 static bool Read(const Message* m, |
| 485 base::PickleIterator* iter, |
| 486 param_type* r); |
456 static void Log(const param_type& p, std::string* l); | 487 static void Log(const param_type& p, std::string* l); |
457 }; | 488 }; |
458 | 489 |
459 template <> | 490 template <> |
460 struct IPC_EXPORT ParamTraits<base::NullableString16> { | 491 struct IPC_EXPORT ParamTraits<base::NullableString16> { |
461 typedef base::NullableString16 param_type; | 492 typedef base::NullableString16 param_type; |
462 static void Write(Message* m, const param_type& p); | 493 static void Write(Message* m, const param_type& p); |
463 static bool Read(const Message* m, base::PickleIterator* iter, | 494 static bool Read(const Message* m, |
| 495 base::PickleIterator* iter, |
464 param_type* r); | 496 param_type* r); |
465 static void Log(const param_type& p, std::string* l); | 497 static void Log(const param_type& p, std::string* l); |
466 }; | 498 }; |
467 | 499 |
468 template <> | 500 template <> |
469 struct IPC_EXPORT ParamTraits<base::File::Info> { | 501 struct IPC_EXPORT ParamTraits<base::File::Info> { |
470 typedef base::File::Info param_type; | 502 typedef base::File::Info param_type; |
471 static void Write(Message* m, const param_type& p); | 503 static void Write(Message* m, const param_type& p); |
472 static bool Read(const Message* m, base::PickleIterator* iter, param_type* r); | 504 static bool Read(const Message* m, |
| 505 base::PickleIterator* iter, |
| 506 param_type* r); |
473 static void Log(const param_type& p, std::string* l); | 507 static void Log(const param_type& p, std::string* l); |
474 }; | 508 }; |
475 | 509 |
476 template <> | 510 template <> |
477 struct SimilarTypeTraits<base::File::Error> { | 511 struct SimilarTypeTraits<base::File::Error> { |
478 typedef int Type; | 512 typedef int Type; |
479 }; | 513 }; |
480 | 514 |
481 #if defined(OS_WIN) | 515 #if defined(OS_WIN) |
482 template <> | 516 template <> |
483 struct SimilarTypeTraits<HWND> { | 517 struct SimilarTypeTraits<HWND> { |
484 typedef HANDLE Type; | 518 typedef HANDLE Type; |
485 }; | 519 }; |
486 #endif // defined(OS_WIN) | 520 #endif // defined(OS_WIN) |
487 | 521 |
488 template <> | 522 template <> |
489 struct IPC_EXPORT ParamTraits<base::Time> { | 523 struct IPC_EXPORT ParamTraits<base::Time> { |
490 typedef base::Time param_type; | 524 typedef base::Time param_type; |
491 static void Write(Message* m, const param_type& p); | 525 static void Write(Message* m, const param_type& p); |
492 static bool Read(const Message* m, base::PickleIterator* iter, param_type* r); | 526 static bool Read(const Message* m, |
| 527 base::PickleIterator* iter, |
| 528 param_type* r); |
493 static void Log(const param_type& p, std::string* l); | 529 static void Log(const param_type& p, std::string* l); |
494 }; | 530 }; |
495 | 531 |
496 template <> | 532 template <> |
497 struct IPC_EXPORT ParamTraits<base::TimeDelta> { | 533 struct IPC_EXPORT ParamTraits<base::TimeDelta> { |
498 typedef base::TimeDelta param_type; | 534 typedef base::TimeDelta param_type; |
499 static void Write(Message* m, const param_type& p); | 535 static void Write(Message* m, const param_type& p); |
500 static bool Read(const Message* m, base::PickleIterator* iter, param_type* r); | 536 static bool Read(const Message* m, |
| 537 base::PickleIterator* iter, |
| 538 param_type* r); |
501 static void Log(const param_type& p, std::string* l); | 539 static void Log(const param_type& p, std::string* l); |
502 }; | 540 }; |
503 | 541 |
504 template <> | 542 template <> |
505 struct IPC_EXPORT ParamTraits<base::TimeTicks> { | 543 struct IPC_EXPORT ParamTraits<base::TimeTicks> { |
506 typedef base::TimeTicks param_type; | 544 typedef base::TimeTicks param_type; |
507 static void Write(Message* m, const param_type& p); | 545 static void Write(Message* m, const param_type& p); |
508 static bool Read(const Message* m, base::PickleIterator* iter, param_type* r); | 546 static bool Read(const Message* m, |
| 547 base::PickleIterator* iter, |
| 548 param_type* r); |
509 static void Log(const param_type& p, std::string* l); | 549 static void Log(const param_type& p, std::string* l); |
510 }; | 550 }; |
511 | 551 |
512 template <> | 552 template <> |
513 struct IPC_EXPORT ParamTraits<base::TraceTicks> { | 553 struct IPC_EXPORT ParamTraits<base::TraceTicks> { |
514 typedef base::TraceTicks param_type; | 554 typedef base::TraceTicks param_type; |
515 static void Write(Message* m, const param_type& p); | 555 static void Write(Message* m, const param_type& p); |
516 static bool Read(const Message* m, base::PickleIterator* iter, param_type* r); | 556 static bool Read(const Message* m, |
| 557 base::PickleIterator* iter, |
| 558 param_type* r); |
517 static void Log(const param_type& p, std::string* l); | 559 static void Log(const param_type& p, std::string* l); |
518 }; | 560 }; |
519 | 561 |
520 template <> | 562 template <> |
521 struct ParamTraits<base::Tuple<>> { | 563 struct ParamTraits<base::Tuple<>> { |
522 typedef base::Tuple<> param_type; | 564 typedef base::Tuple<> param_type; |
523 static void Write(Message* m, const param_type& p) { | 565 static void Write(Message* m, const param_type& p) { |
524 } | 566 } |
525 static bool Read(const Message* m, base::PickleIterator* iter, | 567 static bool Read(const Message* m, |
| 568 base::PickleIterator* iter, |
526 param_type* r) { | 569 param_type* r) { |
527 return true; | 570 return true; |
528 } | 571 } |
529 static void Log(const param_type& p, std::string* l) { | 572 static void Log(const param_type& p, std::string* l) { |
530 } | 573 } |
531 }; | 574 }; |
532 | 575 |
533 template <class A> | 576 template <class A> |
534 struct ParamTraits<base::Tuple<A>> { | 577 struct ParamTraits<base::Tuple<A>> { |
535 typedef base::Tuple<A> param_type; | 578 typedef base::Tuple<A> param_type; |
536 static void Write(Message* m, const param_type& p) { | 579 static void Write(Message* m, const param_type& p) { |
537 WriteParam(m, base::get<0>(p)); | 580 WriteParam(m, base::get<0>(p)); |
538 } | 581 } |
539 static bool Read(const Message* m, base::PickleIterator* iter, | 582 static bool Read(const Message* m, |
| 583 base::PickleIterator* iter, |
540 param_type* r) { | 584 param_type* r) { |
541 return ReadParam(m, iter, &base::get<0>(*r)); | 585 return ReadParam(m, iter, &base::get<0>(*r)); |
542 } | 586 } |
543 static void Log(const param_type& p, std::string* l) { | 587 static void Log(const param_type& p, std::string* l) { |
544 LogParam(base::get<0>(p), l); | 588 LogParam(base::get<0>(p), l); |
545 } | 589 } |
546 }; | 590 }; |
547 | 591 |
548 template <class A, class B> | 592 template <class A, class B> |
549 struct ParamTraits<base::Tuple<A, B>> { | 593 struct ParamTraits<base::Tuple<A, B>> { |
550 typedef base::Tuple<A, B> param_type; | 594 typedef base::Tuple<A, B> param_type; |
551 static void Write(Message* m, const param_type& p) { | 595 static void Write(Message* m, const param_type& p) { |
552 WriteParam(m, base::get<0>(p)); | 596 WriteParam(m, base::get<0>(p)); |
553 WriteParam(m, base::get<1>(p)); | 597 WriteParam(m, base::get<1>(p)); |
554 } | 598 } |
555 static bool Read(const Message* m, base::PickleIterator* iter, | 599 static bool Read(const Message* m, |
| 600 base::PickleIterator* iter, |
556 param_type* r) { | 601 param_type* r) { |
557 return (ReadParam(m, iter, &base::get<0>(*r)) && | 602 return (ReadParam(m, iter, &base::get<0>(*r)) && |
558 ReadParam(m, iter, &base::get<1>(*r))); | 603 ReadParam(m, iter, &base::get<1>(*r))); |
559 } | 604 } |
560 static void Log(const param_type& p, std::string* l) { | 605 static void Log(const param_type& p, std::string* l) { |
561 LogParam(base::get<0>(p), l); | 606 LogParam(base::get<0>(p), l); |
562 l->append(", "); | 607 l->append(", "); |
563 LogParam(base::get<1>(p), l); | 608 LogParam(base::get<1>(p), l); |
564 } | 609 } |
565 }; | 610 }; |
566 | 611 |
567 template <class A, class B, class C> | 612 template <class A, class B, class C> |
568 struct ParamTraits<base::Tuple<A, B, C>> { | 613 struct ParamTraits<base::Tuple<A, B, C>> { |
569 typedef base::Tuple<A, B, C> param_type; | 614 typedef base::Tuple<A, B, C> param_type; |
570 static void Write(Message* m, const param_type& p) { | 615 static void Write(Message* m, const param_type& p) { |
571 WriteParam(m, base::get<0>(p)); | 616 WriteParam(m, base::get<0>(p)); |
572 WriteParam(m, base::get<1>(p)); | 617 WriteParam(m, base::get<1>(p)); |
573 WriteParam(m, base::get<2>(p)); | 618 WriteParam(m, base::get<2>(p)); |
574 } | 619 } |
575 static bool Read(const Message* m, base::PickleIterator* iter, | 620 static bool Read(const Message* m, |
| 621 base::PickleIterator* iter, |
576 param_type* r) { | 622 param_type* r) { |
577 return (ReadParam(m, iter, &base::get<0>(*r)) && | 623 return (ReadParam(m, iter, &base::get<0>(*r)) && |
578 ReadParam(m, iter, &base::get<1>(*r)) && | 624 ReadParam(m, iter, &base::get<1>(*r)) && |
579 ReadParam(m, iter, &base::get<2>(*r))); | 625 ReadParam(m, iter, &base::get<2>(*r))); |
580 } | 626 } |
581 static void Log(const param_type& p, std::string* l) { | 627 static void Log(const param_type& p, std::string* l) { |
582 LogParam(base::get<0>(p), l); | 628 LogParam(base::get<0>(p), l); |
583 l->append(", "); | 629 l->append(", "); |
584 LogParam(base::get<1>(p), l); | 630 LogParam(base::get<1>(p), l); |
585 l->append(", "); | 631 l->append(", "); |
586 LogParam(base::get<2>(p), l); | 632 LogParam(base::get<2>(p), l); |
587 } | 633 } |
588 }; | 634 }; |
589 | 635 |
590 template <class A, class B, class C, class D> | 636 template <class A, class B, class C, class D> |
591 struct ParamTraits<base::Tuple<A, B, C, D>> { | 637 struct ParamTraits<base::Tuple<A, B, C, D>> { |
592 typedef base::Tuple<A, B, C, D> param_type; | 638 typedef base::Tuple<A, B, C, D> param_type; |
593 static void Write(Message* m, const param_type& p) { | 639 static void Write(Message* m, const param_type& p) { |
594 WriteParam(m, base::get<0>(p)); | 640 WriteParam(m, base::get<0>(p)); |
595 WriteParam(m, base::get<1>(p)); | 641 WriteParam(m, base::get<1>(p)); |
596 WriteParam(m, base::get<2>(p)); | 642 WriteParam(m, base::get<2>(p)); |
597 WriteParam(m, base::get<3>(p)); | 643 WriteParam(m, base::get<3>(p)); |
598 } | 644 } |
599 static bool Read(const Message* m, base::PickleIterator* iter, | 645 static bool Read(const Message* m, |
| 646 base::PickleIterator* iter, |
600 param_type* r) { | 647 param_type* r) { |
601 return (ReadParam(m, iter, &base::get<0>(*r)) && | 648 return (ReadParam(m, iter, &base::get<0>(*r)) && |
602 ReadParam(m, iter, &base::get<1>(*r)) && | 649 ReadParam(m, iter, &base::get<1>(*r)) && |
603 ReadParam(m, iter, &base::get<2>(*r)) && | 650 ReadParam(m, iter, &base::get<2>(*r)) && |
604 ReadParam(m, iter, &base::get<3>(*r))); | 651 ReadParam(m, iter, &base::get<3>(*r))); |
605 } | 652 } |
606 static void Log(const param_type& p, std::string* l) { | 653 static void Log(const param_type& p, std::string* l) { |
607 LogParam(base::get<0>(p), l); | 654 LogParam(base::get<0>(p), l); |
608 l->append(", "); | 655 l->append(", "); |
609 LogParam(base::get<1>(p), l); | 656 LogParam(base::get<1>(p), l); |
610 l->append(", "); | 657 l->append(", "); |
611 LogParam(base::get<2>(p), l); | 658 LogParam(base::get<2>(p), l); |
612 l->append(", "); | 659 l->append(", "); |
613 LogParam(base::get<3>(p), l); | 660 LogParam(base::get<3>(p), l); |
614 } | 661 } |
615 }; | 662 }; |
616 | 663 |
617 template <class A, class B, class C, class D, class E> | 664 template <class A, class B, class C, class D, class E> |
618 struct ParamTraits<base::Tuple<A, B, C, D, E>> { | 665 struct ParamTraits<base::Tuple<A, B, C, D, E>> { |
619 typedef base::Tuple<A, B, C, D, E> param_type; | 666 typedef base::Tuple<A, B, C, D, E> param_type; |
620 static void Write(Message* m, const param_type& p) { | 667 static void Write(Message* m, const param_type& p) { |
621 WriteParam(m, base::get<0>(p)); | 668 WriteParam(m, base::get<0>(p)); |
622 WriteParam(m, base::get<1>(p)); | 669 WriteParam(m, base::get<1>(p)); |
623 WriteParam(m, base::get<2>(p)); | 670 WriteParam(m, base::get<2>(p)); |
624 WriteParam(m, base::get<3>(p)); | 671 WriteParam(m, base::get<3>(p)); |
625 WriteParam(m, base::get<4>(p)); | 672 WriteParam(m, base::get<4>(p)); |
626 } | 673 } |
627 static bool Read(const Message* m, base::PickleIterator* iter, | 674 static bool Read(const Message* m, |
| 675 base::PickleIterator* iter, |
628 param_type* r) { | 676 param_type* r) { |
629 return (ReadParam(m, iter, &base::get<0>(*r)) && | 677 return (ReadParam(m, iter, &base::get<0>(*r)) && |
630 ReadParam(m, iter, &base::get<1>(*r)) && | 678 ReadParam(m, iter, &base::get<1>(*r)) && |
631 ReadParam(m, iter, &base::get<2>(*r)) && | 679 ReadParam(m, iter, &base::get<2>(*r)) && |
632 ReadParam(m, iter, &base::get<3>(*r)) && | 680 ReadParam(m, iter, &base::get<3>(*r)) && |
633 ReadParam(m, iter, &base::get<4>(*r))); | 681 ReadParam(m, iter, &base::get<4>(*r))); |
634 } | 682 } |
635 static void Log(const param_type& p, std::string* l) { | 683 static void Log(const param_type& p, std::string* l) { |
636 LogParam(base::get<0>(p), l); | 684 LogParam(base::get<0>(p), l); |
637 l->append(", "); | 685 l->append(", "); |
638 LogParam(base::get<1>(p), l); | 686 LogParam(base::get<1>(p), l); |
639 l->append(", "); | 687 l->append(", "); |
640 LogParam(base::get<2>(p), l); | 688 LogParam(base::get<2>(p), l); |
641 l->append(", "); | 689 l->append(", "); |
642 LogParam(base::get<3>(p), l); | 690 LogParam(base::get<3>(p), l); |
643 l->append(", "); | 691 l->append(", "); |
644 LogParam(base::get<4>(p), l); | 692 LogParam(base::get<4>(p), l); |
645 } | 693 } |
646 }; | 694 }; |
647 | 695 |
648 template<class P> | 696 template<class P> |
649 struct ParamTraits<ScopedVector<P> > { | 697 struct ParamTraits<ScopedVector<P> > { |
650 typedef ScopedVector<P> param_type; | 698 typedef ScopedVector<P> param_type; |
651 static void Write(Message* m, const param_type& p) { | 699 static void Write(Message* m, const param_type& p) { |
652 WriteParam(m, static_cast<int>(p.size())); | 700 WriteParam(m, static_cast<int>(p.size())); |
653 for (size_t i = 0; i < p.size(); i++) | 701 for (size_t i = 0; i < p.size(); i++) |
654 WriteParam(m, *p[i]); | 702 WriteParam(m, *p[i]); |
655 } | 703 } |
656 static bool Read(const Message* m, base::PickleIterator* iter, | 704 static bool Read(const Message* m, |
| 705 base::PickleIterator* iter, |
657 param_type* r) { | 706 param_type* r) { |
658 int size = 0; | 707 int size = 0; |
659 if (!iter->ReadLength(&size)) | 708 if (!iter->ReadLength(&size)) |
660 return false; | 709 return false; |
661 if (INT_MAX/sizeof(P) <= static_cast<size_t>(size)) | 710 if (INT_MAX/sizeof(P) <= static_cast<size_t>(size)) |
662 return false; | 711 return false; |
663 r->resize(size); | 712 r->resize(size); |
664 for (int i = 0; i < size; i++) { | 713 for (int i = 0; i < size; i++) { |
665 (*r)[i] = new P(); | 714 (*r)[i] = new P(); |
666 if (!ReadParam(m, iter, (*r)[i])) | 715 if (!ReadParam(m, iter, (*r)[i])) |
(...skipping 19 matching lines...) Expand all Loading... |
686 typedef typename param_type::key_type K; | 735 typedef typename param_type::key_type K; |
687 typedef typename param_type::data_type V; | 736 typedef typename param_type::data_type V; |
688 static void Write(Message* m, const param_type& p) { | 737 static void Write(Message* m, const param_type& p) { |
689 WriteParam(m, static_cast<int>(p.size())); | 738 WriteParam(m, static_cast<int>(p.size())); |
690 typename param_type::const_iterator iter; | 739 typename param_type::const_iterator iter; |
691 for (iter = p.begin(); iter != p.end(); ++iter) { | 740 for (iter = p.begin(); iter != p.end(); ++iter) { |
692 WriteParam(m, iter->first); | 741 WriteParam(m, iter->first); |
693 WriteParam(m, iter->second); | 742 WriteParam(m, iter->second); |
694 } | 743 } |
695 } | 744 } |
696 static bool Read(const Message* m, base::PickleIterator* iter, | 745 static bool Read(const Message* m, |
| 746 base::PickleIterator* iter, |
697 param_type* r) { | 747 param_type* r) { |
698 int size; | 748 int size; |
699 if (!iter->ReadLength(&size)) | 749 if (!iter->ReadLength(&size)) |
700 return false; | 750 return false; |
701 for (int i = 0; i < size; ++i) { | 751 for (int i = 0; i < size; ++i) { |
702 K key; | 752 K key; |
703 if (!ReadParam(m, iter, &key)) | 753 if (!ReadParam(m, iter, &key)) |
704 return false; | 754 return false; |
705 V& value = (*r)[key]; | 755 V& value = (*r)[key]; |
706 if (!ReadParam(m, iter, &value)) | 756 if (!ReadParam(m, iter, &value)) |
707 return false; | 757 return false; |
708 } | 758 } |
709 return true; | 759 return true; |
710 } | 760 } |
711 static void Log(const param_type& p, std::string* l) { | 761 static void Log(const param_type& p, std::string* l) { |
712 l->append("<base::SmallMap>"); | 762 l->append("<base::SmallMap>"); |
713 } | 763 } |
714 }; | 764 }; |
715 | 765 |
716 template <class P> | 766 template <class P> |
717 struct ParamTraits<scoped_ptr<P> > { | 767 struct ParamTraits<scoped_ptr<P> > { |
718 typedef scoped_ptr<P> param_type; | 768 typedef scoped_ptr<P> param_type; |
719 static void Write(Message* m, const param_type& p) { | 769 static void Write(Message* m, const param_type& p) { |
720 bool valid = !!p; | 770 bool valid = !!p; |
721 WriteParam(m, valid); | 771 WriteParam(m, valid); |
722 if (valid) | 772 if (valid) |
723 WriteParam(m, *p); | 773 WriteParam(m, *p); |
724 } | 774 } |
725 static bool Read(const Message* m, base::PickleIterator* iter, | 775 static bool Read(const Message* m, |
| 776 base::PickleIterator* iter, |
726 param_type* r) { | 777 param_type* r) { |
727 bool valid = false; | 778 bool valid = false; |
728 if (!ReadParam(m, iter, &valid)) | 779 if (!ReadParam(m, iter, &valid)) |
729 return false; | 780 return false; |
730 | 781 |
731 if (!valid) { | 782 if (!valid) { |
732 r->reset(); | 783 r->reset(); |
733 return true; | 784 return true; |
734 } | 785 } |
735 | 786 |
(...skipping 14 matching lines...) Expand all Loading... |
750 | 801 |
751 // IPC types ParamTraits ------------------------------------------------------- | 802 // IPC types ParamTraits ------------------------------------------------------- |
752 | 803 |
753 // A ChannelHandle is basically a platform-inspecific wrapper around the | 804 // A ChannelHandle is basically a platform-inspecific wrapper around the |
754 // fact that IPC endpoints are handled specially on POSIX. See above comments | 805 // fact that IPC endpoints are handled specially on POSIX. See above comments |
755 // on FileDescriptor for more background. | 806 // on FileDescriptor for more background. |
756 template<> | 807 template<> |
757 struct IPC_EXPORT ParamTraits<IPC::ChannelHandle> { | 808 struct IPC_EXPORT ParamTraits<IPC::ChannelHandle> { |
758 typedef ChannelHandle param_type; | 809 typedef ChannelHandle param_type; |
759 static void Write(Message* m, const param_type& p); | 810 static void Write(Message* m, const param_type& p); |
760 static bool Read(const Message* m, base::PickleIterator* iter, param_type* r); | 811 static bool Read(const Message* m, |
| 812 base::PickleIterator* iter, |
| 813 param_type* r); |
761 static void Log(const param_type& p, std::string* l); | 814 static void Log(const param_type& p, std::string* l); |
762 }; | 815 }; |
763 | 816 |
764 template <> | 817 template <> |
765 struct IPC_EXPORT ParamTraits<LogData> { | 818 struct IPC_EXPORT ParamTraits<LogData> { |
766 typedef LogData param_type; | 819 typedef LogData param_type; |
767 static void Write(Message* m, const param_type& p); | 820 static void Write(Message* m, const param_type& p); |
768 static bool Read(const Message* m, base::PickleIterator* iter, param_type* r); | 821 static bool Read(const Message* m, |
| 822 base::PickleIterator* iter, |
| 823 param_type* r); |
769 static void Log(const param_type& p, std::string* l); | 824 static void Log(const param_type& p, std::string* l); |
770 }; | 825 }; |
771 | 826 |
772 template <> | 827 template <> |
773 struct IPC_EXPORT ParamTraits<Message> { | 828 struct IPC_EXPORT ParamTraits<Message> { |
774 static void Write(Message* m, const Message& p); | 829 static void Write(Message* m, const Message& p); |
775 static bool Read(const Message* m, base::PickleIterator* iter, Message* r); | 830 static bool Read(const Message* m, |
| 831 base::PickleIterator* iter, |
| 832 Message* r); |
776 static void Log(const Message& p, std::string* l); | 833 static void Log(const Message& p, std::string* l); |
777 }; | 834 }; |
778 | 835 |
779 // Windows ParamTraits --------------------------------------------------------- | 836 // Windows ParamTraits --------------------------------------------------------- |
780 | 837 |
781 #if defined(OS_WIN) | 838 #if defined(OS_WIN) |
782 template <> | 839 template <> |
783 struct IPC_EXPORT ParamTraits<HANDLE> { | 840 struct IPC_EXPORT ParamTraits<HANDLE> { |
784 typedef HANDLE param_type; | 841 typedef HANDLE param_type; |
785 static void Write(Message* m, const param_type& p); | 842 static void Write(Message* m, const param_type& p); |
786 static bool Read(const Message* m, base::PickleIterator* iter, param_type* r); | 843 static bool Read(const Message* m, |
| 844 base::PickleIterator* iter, |
| 845 param_type* r); |
787 static void Log(const param_type& p, std::string* l); | 846 static void Log(const param_type& p, std::string* l); |
788 }; | 847 }; |
789 | 848 |
790 template <> | 849 template <> |
791 struct IPC_EXPORT ParamTraits<LOGFONT> { | 850 struct IPC_EXPORT ParamTraits<LOGFONT> { |
792 typedef LOGFONT param_type; | 851 typedef LOGFONT param_type; |
793 static void Write(Message* m, const param_type& p); | 852 static void Write(Message* m, const param_type& p); |
794 static bool Read(const Message* m, base::PickleIterator* iter, param_type* r); | 853 static bool Read(const Message* m, |
| 854 base::PickleIterator* iter, |
| 855 param_type* r); |
795 static void Log(const param_type& p, std::string* l); | 856 static void Log(const param_type& p, std::string* l); |
796 }; | 857 }; |
797 | 858 |
798 template <> | 859 template <> |
799 struct IPC_EXPORT ParamTraits<MSG> { | 860 struct IPC_EXPORT ParamTraits<MSG> { |
800 typedef MSG param_type; | 861 typedef MSG param_type; |
801 static void Write(Message* m, const param_type& p); | 862 static void Write(Message* m, const param_type& p); |
802 static bool Read(const Message* m, base::PickleIterator* iter, param_type* r); | 863 static bool Read(const Message* m, |
| 864 base::PickleIterator* iter, |
| 865 param_type* r); |
803 static void Log(const param_type& p, std::string* l); | 866 static void Log(const param_type& p, std::string* l); |
804 }; | 867 }; |
805 #endif // defined(OS_WIN) | 868 #endif // defined(OS_WIN) |
806 | 869 |
807 //----------------------------------------------------------------------------- | 870 //----------------------------------------------------------------------------- |
808 // Generic message subclasses | 871 // Generic message subclasses |
809 | 872 |
810 // Used for asynchronous messages. | 873 // Used for asynchronous messages. |
811 template <class ParamType> | 874 template <class ParamType> |
812 class MessageSchema { | 875 class MessageSchema { |
(...skipping 120 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
933 template <typename... Ts> | 996 template <typename... Ts> |
934 static void WriteReplyParams(Message* reply, Ts... args) { | 997 static void WriteReplyParams(Message* reply, Ts... args) { |
935 ReplyParam p(args...); | 998 ReplyParam p(args...); |
936 WriteParam(reply, p); | 999 WriteParam(reply, p); |
937 } | 1000 } |
938 }; | 1001 }; |
939 | 1002 |
940 } // namespace IPC | 1003 } // namespace IPC |
941 | 1004 |
942 #endif // IPC_IPC_MESSAGE_UTILS_H_ | 1005 #endif // IPC_IPC_MESSAGE_UTILS_H_ |
OLD | NEW |