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| 1 // Copyright 2014 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 #include <stdio.h> | |
| 6 #include <string.h> | |
| 7 | |
| 8 #include "base/memory/scoped_ptr.h" | |
| 9 #include "dart/runtime/include/dart_api.h" | |
| 10 #include "mojo/public/c/system/core.h" | |
| 11 #include "mojo/public/platform/native/system_thunks.h" | |
| 12 | |
| 13 | |
| 14 static Dart_NativeFunction ResolveName( | |
| 15 Dart_Handle name, int argc, bool* auto_setup_scope); | |
| 16 | |
| 17 | |
| 18 DART_EXPORT Dart_Handle mojo_dart_core_Init(Dart_Handle parent_library) { | |
| 19 if (Dart_IsError(parent_library)) { | |
| 20 return parent_library; | |
| 21 } | |
| 22 | |
| 23 Dart_Handle result_code = Dart_SetNativeResolver( | |
| 24 parent_library, ResolveName, NULL); | |
| 25 if (Dart_IsError(result_code)) { | |
| 26 return result_code; | |
| 27 } | |
| 28 | |
| 29 return Dart_Null(); | |
| 30 } | |
| 31 | |
| 32 | |
| 33 static Dart_Handle HandleError(Dart_Handle handle) { | |
| 34 if (Dart_IsError(handle)) { | |
| 35 Dart_PropagateError(handle); | |
| 36 } | |
| 37 return handle; | |
| 38 } | |
| 39 | |
| 40 | |
| 41 static void SetNullReturn(Dart_NativeArguments arguments) { | |
| 42 Dart_SetReturnValue(arguments, Dart_Null()); | |
| 43 } | |
| 44 | |
| 45 | |
| 46 static void SetInvalidArgumentReturn(Dart_NativeArguments arguments) { | |
| 47 Dart_SetIntegerReturnValue( | |
| 48 arguments, static_cast<int64_t>(MOJO_RESULT_INVALID_ARGUMENT)); | |
| 49 } | |
| 50 | |
| 51 | |
| 52 #define CHECK_INTEGER_ARGUMENT(args, num, result, failure) \ | |
| 53 { \ | |
| 54 Dart_Handle __status; \ | |
| 55 __status = Dart_GetNativeIntegerArgument(args, num, result); \ | |
| 56 if (Dart_IsError(__status)) { \ | |
| 57 Set##failure##Return(arguments); \ | |
| 58 return; \ | |
| 59 } \ | |
| 60 } \ | |
| 61 | |
| 62 | |
| 63 extern "C" { | |
| 64 extern size_t MojoSetSystemThunks(const MojoSystemThunks* system_thunks); | |
| 65 } | |
| 66 | |
| 67 | |
| 68 static void MojoSystemThunks_Set(Dart_NativeArguments arguments) { | |
| 69 int64_t thunks_addr = 0; | |
| 70 CHECK_INTEGER_ARGUMENT(arguments, 0, &thunks_addr, Null); | |
| 71 | |
| 72 MojoSystemThunks* thunks = reinterpret_cast<MojoSystemThunks*>(thunks_addr); | |
| 73 MojoSetSystemThunks(thunks); | |
| 74 | |
| 75 Dart_SetReturnValue(arguments, Dart_Null()); | |
| 76 } | |
| 77 | |
| 78 | |
| 79 static void MojoHandle_Close(Dart_NativeArguments arguments) { | |
| 80 int64_t handle; | |
| 81 CHECK_INTEGER_ARGUMENT(arguments, 0, &handle, InvalidArgument); | |
| 82 | |
| 83 MojoResult res = MojoClose(static_cast<MojoHandle>(handle)); | |
| 84 | |
| 85 Dart_SetIntegerReturnValue(arguments, static_cast<int64_t>(res)); | |
| 86 } | |
| 87 | |
| 88 | |
| 89 static void MojoHandle_Wait(Dart_NativeArguments arguments) { | |
| 90 int64_t handle = 0; | |
| 91 int64_t signals = 0; | |
| 92 int64_t deadline = 0; | |
| 93 CHECK_INTEGER_ARGUMENT(arguments, 0, &handle, InvalidArgument); | |
| 94 CHECK_INTEGER_ARGUMENT(arguments, 1, &signals, InvalidArgument); | |
| 95 CHECK_INTEGER_ARGUMENT(arguments, 2, &deadline, InvalidArgument); | |
| 96 | |
| 97 MojoResult r = MojoWait(static_cast<MojoHandle>(handle), | |
| 98 static_cast<MojoHandleSignals>(signals), | |
| 99 static_cast<MojoDeadline>(deadline)); | |
| 100 | |
| 101 Dart_SetIntegerReturnValue(arguments, static_cast<int64_t>(r)); | |
| 102 } | |
| 103 | |
| 104 | |
| 105 static void MojoHandle_WaitMany(Dart_NativeArguments arguments) { | |
| 106 int64_t num_handles = 0; | |
| 107 int64_t deadline = 0; | |
| 108 Dart_Handle handles = Dart_GetNativeArgument(arguments, 0); | |
| 109 Dart_Handle signals = Dart_GetNativeArgument(arguments, 1); | |
| 110 CHECK_INTEGER_ARGUMENT(arguments, 2, &num_handles, InvalidArgument); | |
| 111 CHECK_INTEGER_ARGUMENT(arguments, 3, &deadline, InvalidArgument); | |
| 112 | |
| 113 if (!Dart_IsList(handles) || !Dart_IsList(signals)) { | |
| 114 SetInvalidArgumentReturn(arguments); | |
| 115 return; | |
| 116 } | |
| 117 | |
| 118 intptr_t handles_len = 0; | |
| 119 intptr_t signals_len = 0; | |
| 120 Dart_ListLength(handles, &handles_len); | |
| 121 Dart_ListLength(signals, &signals_len); | |
| 122 if ((handles_len != num_handles) || (signals_len != num_handles)) { | |
| 123 SetInvalidArgumentReturn(arguments); | |
| 124 return; | |
| 125 } | |
| 126 | |
| 127 scoped_ptr<MojoHandle[]> mojo_handles(new MojoHandle[num_handles]); | |
| 128 scoped_ptr<MojoHandleSignals[]> mojo_signals( | |
| 129 new MojoHandleSignals[num_handles]); | |
| 130 | |
| 131 for (int i = 0; i < num_handles; i++) { | |
| 132 Dart_Handle dart_handle = Dart_ListGetAt(handles, i); | |
| 133 Dart_Handle dart_signal = Dart_ListGetAt(signals, i); | |
| 134 if (!Dart_IsInteger(dart_handle) || !Dart_IsInteger(dart_signal)) { | |
| 135 SetInvalidArgumentReturn(arguments); | |
| 136 return; | |
| 137 } | |
| 138 int64_t mojo_handle = 0; | |
| 139 int64_t mojo_signal = 0; | |
| 140 Dart_IntegerToInt64(dart_handle, &mojo_handle); | |
| 141 Dart_IntegerToInt64(dart_signal, &mojo_signal); | |
| 142 mojo_handles[i] = static_cast<MojoHandle>(mojo_handle); | |
| 143 mojo_signals[i] = static_cast<MojoHandleSignals>(mojo_signal); | |
| 144 } | |
| 145 | |
| 146 MojoResult res = MojoWaitMany(mojo_handles.get(), mojo_signals.get(), | |
| 147 static_cast<uint32_t>(num_handles), | |
| 148 static_cast<MojoDeadline>(deadline)); | |
| 149 Dart_SetIntegerReturnValue(arguments, static_cast<int64_t>(res)); | |
| 150 } | |
| 151 | |
| 152 | |
| 153 static void MojoSharedBuffer_Create(Dart_NativeArguments arguments) { | |
| 154 int64_t num_bytes = 0; | |
| 155 int64_t flags = 0; | |
| 156 CHECK_INTEGER_ARGUMENT(arguments, 0, &num_bytes, Null); | |
| 157 CHECK_INTEGER_ARGUMENT(arguments, 1, &flags, Null); | |
| 158 | |
| 159 MojoCreateSharedBufferOptions options; | |
| 160 options.struct_size = sizeof(MojoCreateSharedBufferOptions); | |
| 161 options.flags = static_cast<MojoCreateSharedBufferOptionsFlags>(flags); | |
| 162 | |
| 163 MojoHandle out = MOJO_HANDLE_INVALID;; | |
| 164 MojoResult res = MojoCreateSharedBuffer( | |
| 165 &options, static_cast<int32_t>(num_bytes), &out); | |
| 166 | |
| 167 Dart_Handle list = Dart_NewList(2); | |
| 168 Dart_ListSetAt(list, 0, Dart_NewInteger(res)); | |
| 169 Dart_ListSetAt(list, 1, Dart_NewInteger(out)); | |
| 170 Dart_SetReturnValue(arguments, list); | |
| 171 } | |
| 172 | |
| 173 | |
| 174 static void MojoSharedBuffer_Duplicate(Dart_NativeArguments arguments) { | |
| 175 int64_t handle = 0; | |
| 176 int64_t flags = 0; | |
| 177 CHECK_INTEGER_ARGUMENT(arguments, 0, &handle, Null); | |
| 178 CHECK_INTEGER_ARGUMENT(arguments, 1, &flags, Null); | |
| 179 | |
| 180 MojoDuplicateBufferHandleOptions options; | |
| 181 options.struct_size = sizeof(MojoDuplicateBufferHandleOptions); | |
| 182 options.flags = static_cast<MojoDuplicateBufferHandleOptionsFlags>(flags); | |
| 183 | |
| 184 MojoHandle out = MOJO_HANDLE_INVALID;; | |
| 185 MojoResult res = MojoDuplicateBufferHandle( | |
| 186 static_cast<MojoHandle>(handle), &options, &out); | |
| 187 | |
| 188 Dart_Handle list = Dart_NewList(2); | |
| 189 Dart_ListSetAt(list, 0, Dart_NewInteger(res)); | |
| 190 Dart_ListSetAt(list, 1, Dart_NewInteger(out)); | |
| 191 Dart_SetReturnValue(arguments, list); | |
| 192 } | |
| 193 | |
| 194 | |
| 195 static void MojoSharedBuffer_Map(Dart_NativeArguments arguments) { | |
| 196 int64_t handle = 0; | |
| 197 int64_t offset = 0; | |
| 198 int64_t num_bytes = 0; | |
| 199 int64_t flags = 0; | |
| 200 CHECK_INTEGER_ARGUMENT(arguments, 0, &handle, Null); | |
| 201 CHECK_INTEGER_ARGUMENT(arguments, 1, &offset, Null); | |
| 202 CHECK_INTEGER_ARGUMENT(arguments, 2, &num_bytes, Null); | |
| 203 CHECK_INTEGER_ARGUMENT(arguments, 3, &flags, Null); | |
| 204 | |
| 205 void* out; | |
| 206 MojoResult res = MojoMapBuffer(static_cast<MojoHandle>(handle), | |
| 207 offset, | |
| 208 num_bytes, | |
| 209 &out, | |
| 210 static_cast<MojoMapBufferFlags>(flags)); | |
| 211 | |
| 212 Dart_Handle list = Dart_NewList(2); | |
| 213 Dart_Handle typed_data; | |
| 214 if (res == MOJO_RESULT_OK) { | |
| 215 typed_data = Dart_NewExternalTypedData( | |
| 216 Dart_TypedData_kByteData, out, num_bytes); | |
| 217 } else { | |
| 218 typed_data = Dart_Null(); | |
| 219 } | |
| 220 Dart_ListSetAt(list, 0, Dart_NewInteger(res)); | |
| 221 Dart_ListSetAt(list, 1, typed_data); | |
| 222 Dart_SetReturnValue(arguments, list); | |
| 223 } | |
| 224 | |
| 225 | |
| 226 static void MojoSharedBuffer_Unmap(Dart_NativeArguments arguments) { | |
| 227 Dart_Handle typed_data = Dart_GetNativeArgument(arguments, 0); | |
| 228 if (!Dart_IsTypedData(typed_data)) { | |
| 229 SetInvalidArgumentReturn(arguments); | |
| 230 return; | |
| 231 } | |
| 232 | |
| 233 Dart_TypedData_Type typ; | |
| 234 void *data; | |
| 235 intptr_t len; | |
| 236 Dart_TypedDataAcquireData(typed_data, &typ, &data, &len); | |
| 237 MojoResult res = MojoUnmapBuffer(data); | |
| 238 Dart_TypedDataReleaseData(typed_data); | |
| 239 | |
| 240 Dart_SetIntegerReturnValue(arguments, static_cast<int64_t>(res)); | |
| 241 } | |
| 242 | |
| 243 | |
| 244 static void MojoDataPipe_Create(Dart_NativeArguments arguments) { | |
| 245 int64_t element_bytes = 0; | |
| 246 int64_t capacity_bytes = 0; | |
| 247 int64_t flags = 0; | |
| 248 CHECK_INTEGER_ARGUMENT(arguments, 0, &element_bytes, Null); | |
| 249 CHECK_INTEGER_ARGUMENT(arguments, 1, &capacity_bytes, Null); | |
| 250 CHECK_INTEGER_ARGUMENT(arguments, 2, &flags, Null); | |
| 251 | |
| 252 MojoCreateDataPipeOptions options; | |
| 253 options.struct_size = sizeof(MojoCreateDataPipeOptions); | |
| 254 options.flags = static_cast<MojoCreateDataPipeOptionsFlags>(flags); | |
| 255 options.element_num_bytes = static_cast<uint32_t>(element_bytes); | |
| 256 options.capacity_num_bytes = static_cast<uint32_t>(capacity_bytes); | |
| 257 | |
| 258 MojoHandle producer = MOJO_HANDLE_INVALID; | |
| 259 MojoHandle consumer = MOJO_HANDLE_INVALID; | |
| 260 MojoResult res = MojoCreateDataPipe(&options, &producer, &consumer); | |
| 261 | |
| 262 Dart_Handle list = Dart_NewList(3); | |
| 263 Dart_ListSetAt(list, 0, Dart_NewInteger(res)); | |
| 264 Dart_ListSetAt(list, 1, Dart_NewInteger(producer)); | |
| 265 Dart_ListSetAt(list, 2, Dart_NewInteger(consumer)); | |
| 266 Dart_SetReturnValue(arguments, list); | |
| 267 } | |
| 268 | |
| 269 | |
| 270 static void MojoDataPipe_WriteData(Dart_NativeArguments arguments) { | |
| 271 int64_t handle = 0; | |
| 272 CHECK_INTEGER_ARGUMENT(arguments, 0, &handle, Null); | |
| 273 | |
| 274 Dart_Handle typed_data = Dart_GetNativeArgument(arguments, 1); | |
| 275 if (!Dart_IsTypedData(typed_data)) { | |
| 276 SetNullReturn(arguments); | |
| 277 return; | |
| 278 } | |
| 279 | |
| 280 int64_t num_bytes = 0; | |
| 281 CHECK_INTEGER_ARGUMENT(arguments, 2, &num_bytes, Null); | |
| 282 | |
| 283 int64_t flags = 0; | |
| 284 CHECK_INTEGER_ARGUMENT(arguments, 3, &flags, Null); | |
| 285 | |
| 286 Dart_TypedData_Type type; | |
| 287 void* data; | |
| 288 intptr_t data_length; | |
| 289 Dart_TypedDataAcquireData(typed_data, &type, &data, &data_length); | |
| 290 uint32_t length = static_cast<uint32_t>(num_bytes); | |
| 291 MojoResult res = MojoWriteData( | |
| 292 static_cast<MojoHandle>(handle), | |
| 293 data, | |
| 294 &length, | |
| 295 static_cast<MojoWriteDataFlags>(flags)); | |
| 296 Dart_TypedDataReleaseData(typed_data); | |
| 297 | |
| 298 Dart_Handle list = Dart_NewList(2); | |
| 299 Dart_ListSetAt(list, 0, Dart_NewInteger(res)); | |
| 300 Dart_ListSetAt(list, 1, Dart_NewInteger(length)); | |
| 301 Dart_SetReturnValue(arguments, list); | |
| 302 } | |
| 303 | |
| 304 | |
| 305 static void MojoDataPipe_BeginWriteData(Dart_NativeArguments arguments) { | |
| 306 int64_t handle = 0; | |
| 307 int64_t buffer_bytes = 0; | |
| 308 int64_t flags = 0; | |
| 309 CHECK_INTEGER_ARGUMENT(arguments, 0, &handle, Null); | |
| 310 CHECK_INTEGER_ARGUMENT(arguments, 1, &buffer_bytes, Null); | |
| 311 CHECK_INTEGER_ARGUMENT(arguments, 2, &flags, Null); | |
| 312 | |
| 313 void* buffer; | |
| 314 uint32_t size = static_cast<uint32_t>(buffer_bytes); | |
| 315 MojoResult res = MojoBeginWriteData( | |
| 316 static_cast<MojoHandle>(handle), | |
| 317 &buffer, | |
| 318 &size, | |
| 319 static_cast<MojoWriteDataFlags>(flags)); | |
| 320 | |
| 321 Dart_Handle list = Dart_NewList(2); | |
| 322 Dart_Handle typed_data; | |
| 323 if (res == MOJO_RESULT_OK) { | |
| 324 typed_data = Dart_NewExternalTypedData( | |
| 325 Dart_TypedData_kByteData, buffer, size); | |
| 326 } else { | |
| 327 typed_data = Dart_Null(); | |
| 328 } | |
| 329 Dart_ListSetAt(list, 0, Dart_NewInteger(res)); | |
| 330 Dart_ListSetAt(list, 1, typed_data); | |
| 331 Dart_SetReturnValue(arguments, list); | |
| 332 } | |
| 333 | |
| 334 | |
| 335 static void MojoDataPipe_EndWriteData(Dart_NativeArguments arguments) { | |
| 336 int64_t handle = 0; | |
| 337 int64_t num_bytes_written = 0; | |
| 338 CHECK_INTEGER_ARGUMENT(arguments, 0, &handle, InvalidArgument); | |
| 339 CHECK_INTEGER_ARGUMENT(arguments, 1, &num_bytes_written, InvalidArgument); | |
| 340 | |
| 341 MojoResult res = MojoEndWriteData( | |
| 342 static_cast<MojoHandle>(handle), | |
| 343 static_cast<uint32_t>(num_bytes_written)); | |
| 344 | |
| 345 Dart_SetIntegerReturnValue(arguments, static_cast<int64_t>(res)); | |
| 346 } | |
| 347 | |
| 348 | |
| 349 static void MojoDataPipe_ReadData(Dart_NativeArguments arguments) { | |
| 350 int64_t handle = 0; | |
| 351 CHECK_INTEGER_ARGUMENT(arguments, 0, &handle, Null); | |
| 352 | |
| 353 Dart_Handle typed_data = Dart_GetNativeArgument(arguments, 1); | |
| 354 if (!Dart_IsTypedData(typed_data) && !Dart_IsNull(typed_data)) { | |
| 355 SetNullReturn(arguments); | |
| 356 return; | |
| 357 } | |
| 358 | |
| 359 int64_t num_bytes = 0; | |
| 360 CHECK_INTEGER_ARGUMENT(arguments, 2, &num_bytes, Null); | |
| 361 | |
| 362 int64_t flags = 0; | |
| 363 CHECK_INTEGER_ARGUMENT(arguments, 3, &flags, Null); | |
| 364 | |
| 365 Dart_TypedData_Type typ; | |
| 366 void* data = NULL; | |
| 367 intptr_t bdlen = 0; | |
| 368 if (!Dart_IsNull(typed_data)) { | |
| 369 Dart_TypedDataAcquireData(typed_data, &typ, &data, &bdlen); | |
| 370 } | |
| 371 uint32_t len = static_cast<uint32_t>(num_bytes); | |
| 372 MojoResult res = MojoReadData( | |
| 373 static_cast<MojoHandle>(handle), | |
| 374 data, | |
| 375 &len, | |
| 376 static_cast<MojoReadDataFlags>(flags)); | |
| 377 if (!Dart_IsNull(typed_data)) { | |
| 378 Dart_TypedDataReleaseData(typed_data); | |
| 379 } | |
| 380 | |
| 381 Dart_Handle list = Dart_NewList(2); | |
| 382 Dart_ListSetAt(list, 0, Dart_NewInteger(res)); | |
| 383 Dart_ListSetAt(list, 1, Dart_NewInteger(len)); | |
| 384 Dart_SetReturnValue(arguments, list); | |
| 385 } | |
| 386 | |
| 387 | |
| 388 static void MojoDataPipe_BeginReadData(Dart_NativeArguments arguments) { | |
| 389 int64_t handle = 0; | |
| 390 int64_t buffer_bytes = 0; | |
| 391 int64_t flags = 0; | |
| 392 CHECK_INTEGER_ARGUMENT(arguments, 0, &handle, Null); | |
| 393 CHECK_INTEGER_ARGUMENT(arguments, 1, &buffer_bytes, Null); | |
| 394 CHECK_INTEGER_ARGUMENT(arguments, 2, &flags, Null); | |
| 395 | |
| 396 void* buffer; | |
| 397 uint32_t size = static_cast<uint32_t>(buffer_bytes); | |
| 398 MojoResult res = MojoBeginReadData( | |
| 399 static_cast<MojoHandle>(handle), | |
| 400 const_cast<const void**>(&buffer), | |
| 401 &size, | |
| 402 static_cast<MojoWriteDataFlags>(flags)); | |
| 403 | |
| 404 Dart_Handle list = Dart_NewList(2); | |
| 405 Dart_Handle typed_data; | |
| 406 if (res == MOJO_RESULT_OK) { | |
| 407 typed_data = Dart_NewExternalTypedData( | |
| 408 Dart_TypedData_kByteData, buffer, size); | |
| 409 } else { | |
| 410 typed_data = Dart_Null(); | |
| 411 } | |
| 412 Dart_ListSetAt(list, 0, Dart_NewInteger(res)); | |
| 413 Dart_ListSetAt(list, 1, typed_data); | |
| 414 Dart_SetReturnValue(arguments, list); | |
| 415 } | |
| 416 | |
| 417 | |
| 418 static void MojoDataPipe_EndReadData(Dart_NativeArguments arguments) { | |
| 419 int64_t handle = 0; | |
| 420 int64_t num_bytes_read = 0; | |
| 421 CHECK_INTEGER_ARGUMENT(arguments, 0, &handle, InvalidArgument); | |
| 422 CHECK_INTEGER_ARGUMENT(arguments, 1, &num_bytes_read, InvalidArgument); | |
| 423 | |
| 424 MojoResult res = MojoEndReadData( | |
| 425 static_cast<MojoHandle>(handle), | |
| 426 static_cast<uint32_t>(num_bytes_read)); | |
| 427 | |
| 428 Dart_SetIntegerReturnValue(arguments, static_cast<int64_t>(res)); | |
| 429 } | |
| 430 | |
| 431 | |
| 432 static void MojoMessagePipe_Create(Dart_NativeArguments arguments) { | |
| 433 int64_t flags = 0; | |
| 434 CHECK_INTEGER_ARGUMENT(arguments, 0, &flags, Null); | |
| 435 | |
| 436 MojoCreateMessagePipeOptions options; | |
| 437 options.struct_size = sizeof(MojoCreateMessagePipeOptions); | |
| 438 options.flags = static_cast<MojoCreateMessagePipeOptionsFlags>(flags); | |
| 439 | |
| 440 MojoHandle end1 = MOJO_HANDLE_INVALID; | |
| 441 MojoHandle end2 = MOJO_HANDLE_INVALID; | |
| 442 MojoResult res = MojoCreateMessagePipe(&options, &end1, &end2); | |
| 443 | |
| 444 Dart_Handle list = Dart_NewList(3); | |
| 445 Dart_ListSetAt(list, 0, Dart_NewInteger(res)); | |
| 446 Dart_ListSetAt(list, 1, Dart_NewInteger(end1)); | |
| 447 Dart_ListSetAt(list, 2, Dart_NewInteger(end2)); | |
| 448 Dart_SetReturnValue(arguments, list); | |
| 449 } | |
| 450 | |
| 451 | |
| 452 static void MojoMessagePipe_Write(Dart_NativeArguments arguments) { | |
| 453 int64_t handle = 0; | |
| 454 CHECK_INTEGER_ARGUMENT(arguments, 0, &handle, InvalidArgument); | |
| 455 | |
| 456 Dart_Handle typed_data = Dart_GetNativeArgument(arguments, 1); | |
| 457 if (!Dart_IsTypedData(typed_data) && !Dart_IsNull(typed_data)) { | |
| 458 SetInvalidArgumentReturn(arguments); | |
| 459 return; | |
| 460 } | |
| 461 | |
| 462 int64_t num_bytes = 0; | |
| 463 CHECK_INTEGER_ARGUMENT(arguments, 2, &num_bytes, InvalidArgument); | |
| 464 | |
| 465 Dart_Handle handles = Dart_GetNativeArgument(arguments, 3); | |
| 466 if (!Dart_IsList(handles) && !Dart_IsNull(handles)) { | |
| 467 SetInvalidArgumentReturn(arguments); | |
| 468 return; | |
| 469 } | |
| 470 | |
| 471 int64_t flags = 0; | |
| 472 CHECK_INTEGER_ARGUMENT(arguments, 4, &flags, InvalidArgument); | |
| 473 | |
| 474 // Grab the data if there is any. | |
| 475 Dart_TypedData_Type typ; | |
| 476 void* bytes = NULL; | |
| 477 intptr_t bdlen = 0; | |
| 478 if (!Dart_IsNull(typed_data)) { | |
| 479 Dart_TypedDataAcquireData(typed_data, &typ, &bytes, &bdlen); | |
| 480 } | |
| 481 | |
| 482 // Grab the handles if there are any. | |
| 483 scoped_ptr<MojoHandle[]> mojo_handles; | |
| 484 intptr_t handles_len = 0; | |
| 485 if (!Dart_IsNull(handles)) { | |
| 486 Dart_ListLength(handles, &handles_len); | |
| 487 mojo_handles.reset(new MojoHandle[handles_len]); | |
| 488 for (int i = 0; i < handles_len; i++) { | |
| 489 Dart_Handle dart_handle = Dart_ListGetAt(handles, i); | |
| 490 if (!Dart_IsInteger(dart_handle)) { | |
| 491 SetInvalidArgumentReturn(arguments); | |
| 492 return; | |
| 493 } | |
| 494 int64_t mojo_handle = 0; | |
| 495 Dart_IntegerToInt64(dart_handle, &mojo_handle); | |
| 496 mojo_handles[i] = static_cast<MojoHandle>(mojo_handle); | |
| 497 } | |
| 498 } | |
| 499 | |
| 500 MojoResult res = MojoWriteMessage( | |
| 501 static_cast<MojoHandle>(handle), | |
| 502 const_cast<const void*>(bytes), | |
| 503 static_cast<uint32_t>(num_bytes), | |
| 504 mojo_handles.get(), | |
| 505 static_cast<uint32_t>(handles_len), | |
| 506 static_cast<MojoWriteMessageFlags>(flags)); | |
| 507 | |
| 508 // Release the data. | |
| 509 if (!Dart_IsNull(typed_data)) { | |
| 510 Dart_TypedDataReleaseData(typed_data); | |
| 511 } | |
| 512 | |
| 513 Dart_SetIntegerReturnValue(arguments, static_cast<int64_t>(res)); | |
| 514 } | |
| 515 | |
| 516 | |
| 517 static void MojoMessagePipe_Read(Dart_NativeArguments arguments) { | |
| 518 int64_t handle = 0; | |
| 519 CHECK_INTEGER_ARGUMENT(arguments, 0, &handle, Null); | |
| 520 | |
| 521 Dart_Handle typed_data = Dart_GetNativeArgument(arguments, 1); | |
| 522 if (!Dart_IsTypedData(typed_data) && !Dart_IsNull(typed_data)) { | |
| 523 SetNullReturn(arguments); | |
| 524 return; | |
| 525 } | |
| 526 | |
| 527 int64_t num_bytes = 0; | |
| 528 CHECK_INTEGER_ARGUMENT(arguments, 2, &num_bytes, Null); | |
| 529 | |
| 530 Dart_Handle handles = Dart_GetNativeArgument(arguments, 3); | |
| 531 if (!Dart_IsList(handles) && !Dart_IsNull(handles)) { | |
| 532 SetNullReturn(arguments); | |
| 533 return; | |
| 534 } | |
| 535 | |
| 536 int64_t flags = 0; | |
| 537 CHECK_INTEGER_ARGUMENT(arguments, 4, &flags, Null); | |
| 538 | |
| 539 // Grab the data if there is any. | |
| 540 Dart_TypedData_Type typ; | |
| 541 void* bytes = NULL; | |
| 542 intptr_t byte_data_len = 0; | |
| 543 if (!Dart_IsNull(typed_data)) { | |
| 544 Dart_TypedDataAcquireData(typed_data, &typ, &bytes, &byte_data_len); | |
| 545 } | |
| 546 uint32_t blen = static_cast<uint32_t>(num_bytes); | |
| 547 | |
| 548 // Grab the handles if there are any. | |
| 549 scoped_ptr<MojoHandle[]> mojo_handles; | |
| 550 intptr_t handles_len = 0; | |
| 551 if (!Dart_IsNull(handles)) { | |
| 552 Dart_ListLength(handles, &handles_len); | |
| 553 mojo_handles.reset(new MojoHandle[handles_len]); | |
| 554 } | |
| 555 uint32_t hlen = static_cast<uint32_t>(handles_len); | |
| 556 | |
| 557 MojoResult res = MojoReadMessage( | |
| 558 static_cast<MojoHandle>(handle), | |
| 559 bytes, | |
| 560 &blen, | |
| 561 mojo_handles.get(), | |
| 562 &hlen, | |
| 563 static_cast<MojoReadMessageFlags>(flags)); | |
| 564 | |
| 565 // Release the data. | |
| 566 if (!Dart_IsNull(typed_data)) { | |
| 567 Dart_TypedDataReleaseData(typed_data); | |
| 568 } | |
| 569 | |
| 570 if (!Dart_IsNull(handles)) { | |
| 571 for (int i = 0; i < handles_len; i++) { | |
| 572 Dart_ListSetAt(handles, i, Dart_NewInteger(mojo_handles[i])); | |
| 573 } | |
| 574 } | |
| 575 | |
| 576 Dart_Handle list = Dart_NewList(3); | |
| 577 Dart_ListSetAt(list, 0, Dart_NewInteger(res)); | |
| 578 Dart_ListSetAt(list, 1, Dart_NewInteger(blen)); | |
| 579 Dart_ListSetAt(list, 2, Dart_NewInteger(hlen)); | |
| 580 Dart_SetReturnValue(arguments, list); | |
| 581 } | |
| 582 | |
| 583 | |
| 584 #define SCOPE_FUNCTIONS(V) \ | |
| 585 V(MojoSharedBuffer_Create) \ | |
| 586 V(MojoSharedBuffer_Duplicate) \ | |
| 587 V(MojoSharedBuffer_Map) \ | |
| 588 V(MojoSharedBuffer_Unmap) \ | |
| 589 V(MojoDataPipe_Create) \ | |
| 590 V(MojoDataPipe_WriteData) \ | |
| 591 V(MojoDataPipe_BeginWriteData) \ | |
| 592 V(MojoDataPipe_ReadData) \ | |
| 593 V(MojoDataPipe_BeginReadData) \ | |
| 594 V(MojoDataPipe_EndReadData) \ | |
| 595 V(MojoMessagePipe_Create) \ | |
| 596 V(MojoMessagePipe_Write) \ | |
| 597 V(MojoMessagePipe_Read) \ | |
| 598 | |
| 599 #define NOSCOPE_FUNCTIONS(V) \ | |
| 600 V(MojoSystemThunks_Set) \ | |
| 601 V(MojoHandle_Close) \ | |
| 602 V(MojoHandle_Wait) \ | |
| 603 V(MojoHandle_WaitMany) \ | |
| 604 V(MojoDataPipe_EndWriteData) \ | |
| 605 | |
| 606 #define FUNCTION_STRING_MAP(name) {#name, name}, | |
| 607 | |
| 608 struct FunctionLookup { | |
| 609 const char* name; | |
| 610 Dart_NativeFunction function; | |
| 611 }; | |
| 612 | |
| 613 FunctionLookup function_list[] = { | |
| 614 SCOPE_FUNCTIONS(FUNCTION_STRING_MAP) | |
| 615 {NULL, NULL} | |
| 616 }; | |
| 617 | |
| 618 FunctionLookup no_scope_function_list[] = { | |
| 619 NOSCOPE_FUNCTIONS(FUNCTION_STRING_MAP) | |
| 620 {NULL, NULL} | |
| 621 }; | |
| 622 | |
| 623 #undef FUNCTION_STRING_MAP | |
| 624 | |
| 625 | |
| 626 Dart_NativeFunction ResolveName(Dart_Handle name, | |
| 627 int argc, | |
| 628 bool* auto_setup_scope) { | |
| 629 if (!Dart_IsString(name)) { | |
| 630 return NULL; | |
| 631 } | |
| 632 Dart_NativeFunction result = NULL; | |
| 633 if (auto_setup_scope == NULL) { | |
| 634 return NULL; | |
| 635 } | |
| 636 | |
| 637 Dart_EnterScope(); | |
| 638 const char* cname; | |
| 639 HandleError(Dart_StringToCString(name, &cname)); | |
| 640 | |
| 641 for (int i=0; function_list[i].name != NULL; ++i) { | |
| 642 if (strcmp(function_list[i].name, cname) == 0) { | |
| 643 *auto_setup_scope = true; | |
| 644 Dart_ExitScope(); | |
| 645 return function_list[i].function; | |
| 646 } | |
| 647 } | |
| 648 | |
| 649 for (int i=0; no_scope_function_list[i].name != NULL; ++i) { | |
| 650 if (strcmp(no_scope_function_list[i].name, cname) == 0) { | |
| 651 *auto_setup_scope = false; | |
| 652 result = no_scope_function_list[i].function; | |
| 653 break; | |
| 654 } | |
| 655 } | |
| 656 | |
| 657 Dart_ExitScope(); | |
| 658 return result; | |
| 659 } | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 728043002:
Revert of Update mojo sdk to rev afb4440fd5a10cba980878c326180b7ad7960480 (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master