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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 struct CloserCallbackPeer { | |
| 80 MojoHandle handle; | |
| 81 }; | |
| 82 | |
| 83 | |
| 84 static void MojoHandleCloserCallback(void* isolate_data, | |
| 85 Dart_WeakPersistentHandle handle, | |
| 86 void* peer) { | |
| 87 CloserCallbackPeer* callback_peer = | |
| 88 reinterpret_cast<CloserCallbackPeer*>(peer); | |
| 89 if (callback_peer->handle != MOJO_HANDLE_INVALID) { | |
| 90 MojoClose(callback_peer->handle); | |
| 91 } | |
| 92 delete callback_peer; | |
| 93 } | |
| 94 | |
| 95 | |
| 96 // Setup a weak persistent handle for a Dart MojoHandle that calls MojoClose | |
| 97 // on the handle when the MojoHandle is GC'd or the VM is going down. | |
| 98 static void MojoHandle_Register(Dart_NativeArguments arguments) { | |
| 99 // An instance of Dart class MojoHandle. | |
| 100 Dart_Handle mojo_handle_instance = Dart_GetNativeArgument(arguments, 0); | |
| 101 if (!Dart_IsInstance(mojo_handle_instance)) { | |
| 102 SetInvalidArgumentReturn(arguments); | |
| 103 return; | |
| 104 } | |
| 105 // TODO(zra): Here, we could check that mojo_handle_instance is really a | |
| 106 // MojoHandle instance, but with the Dart API it's not too easy to get a Type | |
| 107 // object from the class name outside of the root library. For now, we'll rely | |
| 108 // on the existence of the right fields to be sufficient. | |
| 109 | |
| 110 Dart_Handle raw_mojo_handle_instance = Dart_GetField( | |
| 111 mojo_handle_instance, Dart_NewStringFromCString("_handle")); | |
| 112 if (Dart_IsError(raw_mojo_handle_instance)) { | |
| 113 SetInvalidArgumentReturn(arguments); | |
| 114 return; | |
| 115 } | |
| 116 | |
| 117 Dart_Handle mojo_handle = Dart_GetField( | |
| 118 raw_mojo_handle_instance, Dart_NewStringFromCString("h")); | |
| 119 if (Dart_IsError(mojo_handle)) { | |
| 120 SetInvalidArgumentReturn(arguments); | |
| 121 return; | |
| 122 } | |
| 123 | |
| 124 int64_t raw_handle = static_cast<int64_t>(MOJO_HANDLE_INVALID); | |
| 125 Dart_Handle result = Dart_IntegerToInt64(mojo_handle, &raw_handle); | |
| 126 if (Dart_IsError(result)) { | |
| 127 SetInvalidArgumentReturn(arguments); | |
| 128 return; | |
| 129 } | |
| 130 | |
| 131 if (raw_handle == static_cast<int64_t>(MOJO_HANDLE_INVALID)) { | |
| 132 SetInvalidArgumentReturn(arguments); | |
| 133 return; | |
| 134 } | |
| 135 | |
| 136 CloserCallbackPeer* callback_peer = new CloserCallbackPeer(); | |
| 137 callback_peer->handle = static_cast<MojoHandle>(raw_handle); | |
| 138 Dart_NewWeakPersistentHandle(mojo_handle_instance, | |
| 139 reinterpret_cast<void*>(callback_peer), | |
| 140 sizeof(CloserCallbackPeer), | |
| 141 MojoHandleCloserCallback); | |
| 142 Dart_SetIntegerReturnValue(arguments, static_cast<int64_t>(MOJO_RESULT_OK)); | |
| 143 } | |
| 144 | |
| 145 | |
| 146 static void MojoHandle_Close(Dart_NativeArguments arguments) { | |
| 147 int64_t handle; | |
| 148 CHECK_INTEGER_ARGUMENT(arguments, 0, &handle, InvalidArgument); | |
| 149 | |
| 150 MojoResult res = MojoClose(static_cast<MojoHandle>(handle)); | |
| 151 | |
| 152 Dart_SetIntegerReturnValue(arguments, static_cast<int64_t>(res)); | |
| 153 } | |
| 154 | |
| 155 | |
| 156 static void MojoHandle_Wait(Dart_NativeArguments arguments) { | |
| 157 int64_t handle = 0; | |
| 158 int64_t signals = 0; | |
| 159 int64_t deadline = 0; | |
| 160 CHECK_INTEGER_ARGUMENT(arguments, 0, &handle, InvalidArgument); | |
| 161 CHECK_INTEGER_ARGUMENT(arguments, 1, &signals, InvalidArgument); | |
| 162 CHECK_INTEGER_ARGUMENT(arguments, 2, &deadline, InvalidArgument); | |
| 163 | |
| 164 MojoResult r = MojoWait(static_cast<MojoHandle>(handle), | |
| 165 static_cast<MojoHandleSignals>(signals), | |
| 166 static_cast<MojoDeadline>(deadline)); | |
| 167 | |
| 168 Dart_SetIntegerReturnValue(arguments, static_cast<int64_t>(r)); | |
| 169 } | |
| 170 | |
| 171 | |
| 172 static void MojoHandle_WaitMany(Dart_NativeArguments arguments) { | |
| 173 int64_t num_handles = 0; | |
| 174 int64_t deadline = 0; | |
| 175 Dart_Handle handles = Dart_GetNativeArgument(arguments, 0); | |
| 176 Dart_Handle signals = Dart_GetNativeArgument(arguments, 1); | |
| 177 CHECK_INTEGER_ARGUMENT(arguments, 2, &num_handles, InvalidArgument); | |
| 178 CHECK_INTEGER_ARGUMENT(arguments, 3, &deadline, InvalidArgument); | |
| 179 | |
| 180 if (!Dart_IsList(handles) || !Dart_IsList(signals)) { | |
| 181 SetInvalidArgumentReturn(arguments); | |
| 182 return; | |
| 183 } | |
| 184 | |
| 185 intptr_t handles_len = 0; | |
| 186 intptr_t signals_len = 0; | |
| 187 Dart_ListLength(handles, &handles_len); | |
| 188 Dart_ListLength(signals, &signals_len); | |
| 189 if ((handles_len != num_handles) || (signals_len != num_handles)) { | |
| 190 SetInvalidArgumentReturn(arguments); | |
| 191 return; | |
| 192 } | |
| 193 | |
| 194 scoped_ptr<MojoHandle[]> mojo_handles(new MojoHandle[num_handles]); | |
| 195 scoped_ptr<MojoHandleSignals[]> mojo_signals( | |
| 196 new MojoHandleSignals[num_handles]); | |
| 197 | |
| 198 for (int i = 0; i < num_handles; i++) { | |
| 199 Dart_Handle dart_handle = Dart_ListGetAt(handles, i); | |
| 200 Dart_Handle dart_signal = Dart_ListGetAt(signals, i); | |
| 201 if (!Dart_IsInteger(dart_handle) || !Dart_IsInteger(dart_signal)) { | |
| 202 SetInvalidArgumentReturn(arguments); | |
| 203 return; | |
| 204 } | |
| 205 int64_t mojo_handle = 0; | |
| 206 int64_t mojo_signal = 0; | |
| 207 Dart_IntegerToInt64(dart_handle, &mojo_handle); | |
| 208 Dart_IntegerToInt64(dart_signal, &mojo_signal); | |
| 209 mojo_handles[i] = static_cast<MojoHandle>(mojo_handle); | |
| 210 mojo_signals[i] = static_cast<MojoHandleSignals>(mojo_signal); | |
| 211 } | |
| 212 | |
| 213 MojoResult res = MojoWaitMany(mojo_handles.get(), mojo_signals.get(), | |
| 214 static_cast<uint32_t>(num_handles), | |
| 215 static_cast<MojoDeadline>(deadline)); | |
| 216 Dart_SetIntegerReturnValue(arguments, static_cast<int64_t>(res)); | |
| 217 } | |
| 218 | |
| 219 | |
| 220 static void MojoSharedBuffer_Create(Dart_NativeArguments arguments) { | |
| 221 int64_t num_bytes = 0; | |
| 222 int64_t flags = 0; | |
| 223 CHECK_INTEGER_ARGUMENT(arguments, 0, &num_bytes, Null); | |
| 224 CHECK_INTEGER_ARGUMENT(arguments, 1, &flags, Null); | |
| 225 | |
| 226 MojoCreateSharedBufferOptions options; | |
| 227 options.struct_size = sizeof(MojoCreateSharedBufferOptions); | |
| 228 options.flags = static_cast<MojoCreateSharedBufferOptionsFlags>(flags); | |
| 229 | |
| 230 MojoHandle out = MOJO_HANDLE_INVALID;; | |
| 231 MojoResult res = MojoCreateSharedBuffer( | |
| 232 &options, static_cast<int32_t>(num_bytes), &out); | |
| 233 | |
| 234 Dart_Handle list = Dart_NewList(2); | |
| 235 Dart_ListSetAt(list, 0, Dart_NewInteger(res)); | |
| 236 Dart_ListSetAt(list, 1, Dart_NewInteger(out)); | |
| 237 Dart_SetReturnValue(arguments, list); | |
| 238 } | |
| 239 | |
| 240 | |
| 241 static void MojoSharedBuffer_Duplicate(Dart_NativeArguments arguments) { | |
| 242 int64_t handle = 0; | |
| 243 int64_t flags = 0; | |
| 244 CHECK_INTEGER_ARGUMENT(arguments, 0, &handle, Null); | |
| 245 CHECK_INTEGER_ARGUMENT(arguments, 1, &flags, Null); | |
| 246 | |
| 247 MojoDuplicateBufferHandleOptions options; | |
| 248 options.struct_size = sizeof(MojoDuplicateBufferHandleOptions); | |
| 249 options.flags = static_cast<MojoDuplicateBufferHandleOptionsFlags>(flags); | |
| 250 | |
| 251 MojoHandle out = MOJO_HANDLE_INVALID;; | |
| 252 MojoResult res = MojoDuplicateBufferHandle( | |
| 253 static_cast<MojoHandle>(handle), &options, &out); | |
| 254 | |
| 255 Dart_Handle list = Dart_NewList(2); | |
| 256 Dart_ListSetAt(list, 0, Dart_NewInteger(res)); | |
| 257 Dart_ListSetAt(list, 1, Dart_NewInteger(out)); | |
| 258 Dart_SetReturnValue(arguments, list); | |
| 259 } | |
| 260 | |
| 261 | |
| 262 static void MojoSharedBuffer_Map(Dart_NativeArguments arguments) { | |
| 263 int64_t handle = 0; | |
| 264 int64_t offset = 0; | |
| 265 int64_t num_bytes = 0; | |
| 266 int64_t flags = 0; | |
| 267 CHECK_INTEGER_ARGUMENT(arguments, 0, &handle, Null); | |
| 268 CHECK_INTEGER_ARGUMENT(arguments, 1, &offset, Null); | |
| 269 CHECK_INTEGER_ARGUMENT(arguments, 2, &num_bytes, Null); | |
| 270 CHECK_INTEGER_ARGUMENT(arguments, 3, &flags, Null); | |
| 271 | |
| 272 void* out; | |
| 273 MojoResult res = MojoMapBuffer(static_cast<MojoHandle>(handle), | |
| 274 offset, | |
| 275 num_bytes, | |
| 276 &out, | |
| 277 static_cast<MojoMapBufferFlags>(flags)); | |
| 278 | |
| 279 Dart_Handle list = Dart_NewList(2); | |
| 280 Dart_Handle typed_data; | |
| 281 if (res == MOJO_RESULT_OK) { | |
| 282 typed_data = Dart_NewExternalTypedData( | |
| 283 Dart_TypedData_kByteData, out, num_bytes); | |
| 284 } else { | |
| 285 typed_data = Dart_Null(); | |
| 286 } | |
| 287 Dart_ListSetAt(list, 0, Dart_NewInteger(res)); | |
| 288 Dart_ListSetAt(list, 1, typed_data); | |
| 289 Dart_SetReturnValue(arguments, list); | |
| 290 } | |
| 291 | |
| 292 | |
| 293 static void MojoSharedBuffer_Unmap(Dart_NativeArguments arguments) { | |
| 294 Dart_Handle typed_data = Dart_GetNativeArgument(arguments, 0); | |
| 295 if (!Dart_IsTypedData(typed_data)) { | |
| 296 SetInvalidArgumentReturn(arguments); | |
| 297 return; | |
| 298 } | |
| 299 | |
| 300 Dart_TypedData_Type typ; | |
| 301 void *data; | |
| 302 intptr_t len; | |
| 303 Dart_TypedDataAcquireData(typed_data, &typ, &data, &len); | |
| 304 MojoResult res = MojoUnmapBuffer(data); | |
| 305 Dart_TypedDataReleaseData(typed_data); | |
| 306 | |
| 307 Dart_SetIntegerReturnValue(arguments, static_cast<int64_t>(res)); | |
| 308 } | |
| 309 | |
| 310 | |
| 311 static void MojoDataPipe_Create(Dart_NativeArguments arguments) { | |
| 312 int64_t element_bytes = 0; | |
| 313 int64_t capacity_bytes = 0; | |
| 314 int64_t flags = 0; | |
| 315 CHECK_INTEGER_ARGUMENT(arguments, 0, &element_bytes, Null); | |
| 316 CHECK_INTEGER_ARGUMENT(arguments, 1, &capacity_bytes, Null); | |
| 317 CHECK_INTEGER_ARGUMENT(arguments, 2, &flags, Null); | |
| 318 | |
| 319 MojoCreateDataPipeOptions options; | |
| 320 options.struct_size = sizeof(MojoCreateDataPipeOptions); | |
| 321 options.flags = static_cast<MojoCreateDataPipeOptionsFlags>(flags); | |
| 322 options.element_num_bytes = static_cast<uint32_t>(element_bytes); | |
| 323 options.capacity_num_bytes = static_cast<uint32_t>(capacity_bytes); | |
| 324 | |
| 325 MojoHandle producer = MOJO_HANDLE_INVALID; | |
| 326 MojoHandle consumer = MOJO_HANDLE_INVALID; | |
| 327 MojoResult res = MojoCreateDataPipe(&options, &producer, &consumer); | |
| 328 | |
| 329 Dart_Handle list = Dart_NewList(3); | |
| 330 Dart_ListSetAt(list, 0, Dart_NewInteger(res)); | |
| 331 Dart_ListSetAt(list, 1, Dart_NewInteger(producer)); | |
| 332 Dart_ListSetAt(list, 2, Dart_NewInteger(consumer)); | |
| 333 Dart_SetReturnValue(arguments, list); | |
| 334 } | |
| 335 | |
| 336 | |
| 337 static void MojoDataPipe_WriteData(Dart_NativeArguments arguments) { | |
| 338 int64_t handle = 0; | |
| 339 CHECK_INTEGER_ARGUMENT(arguments, 0, &handle, Null); | |
| 340 | |
| 341 Dart_Handle typed_data = Dart_GetNativeArgument(arguments, 1); | |
| 342 if (!Dart_IsTypedData(typed_data)) { | |
| 343 SetNullReturn(arguments); | |
| 344 return; | |
| 345 } | |
| 346 | |
| 347 int64_t num_bytes = 0; | |
| 348 CHECK_INTEGER_ARGUMENT(arguments, 2, &num_bytes, Null); | |
| 349 | |
| 350 int64_t flags = 0; | |
| 351 CHECK_INTEGER_ARGUMENT(arguments, 3, &flags, Null); | |
| 352 | |
| 353 Dart_TypedData_Type type; | |
| 354 void* data; | |
| 355 intptr_t data_length; | |
| 356 Dart_TypedDataAcquireData(typed_data, &type, &data, &data_length); | |
| 357 uint32_t length = static_cast<uint32_t>(num_bytes); | |
| 358 MojoResult res = MojoWriteData( | |
| 359 static_cast<MojoHandle>(handle), | |
| 360 data, | |
| 361 &length, | |
| 362 static_cast<MojoWriteDataFlags>(flags)); | |
| 363 Dart_TypedDataReleaseData(typed_data); | |
| 364 | |
| 365 Dart_Handle list = Dart_NewList(2); | |
| 366 Dart_ListSetAt(list, 0, Dart_NewInteger(res)); | |
| 367 Dart_ListSetAt(list, 1, Dart_NewInteger(length)); | |
| 368 Dart_SetReturnValue(arguments, list); | |
| 369 } | |
| 370 | |
| 371 | |
| 372 static void MojoDataPipe_BeginWriteData(Dart_NativeArguments arguments) { | |
| 373 int64_t handle = 0; | |
| 374 int64_t buffer_bytes = 0; | |
| 375 int64_t flags = 0; | |
| 376 CHECK_INTEGER_ARGUMENT(arguments, 0, &handle, Null); | |
| 377 CHECK_INTEGER_ARGUMENT(arguments, 1, &buffer_bytes, Null); | |
| 378 CHECK_INTEGER_ARGUMENT(arguments, 2, &flags, Null); | |
| 379 | |
| 380 void* buffer; | |
| 381 uint32_t size = static_cast<uint32_t>(buffer_bytes); | |
| 382 MojoResult res = MojoBeginWriteData( | |
| 383 static_cast<MojoHandle>(handle), | |
| 384 &buffer, | |
| 385 &size, | |
| 386 static_cast<MojoWriteDataFlags>(flags)); | |
| 387 | |
| 388 Dart_Handle list = Dart_NewList(2); | |
| 389 Dart_Handle typed_data; | |
| 390 if (res == MOJO_RESULT_OK) { | |
| 391 typed_data = Dart_NewExternalTypedData( | |
| 392 Dart_TypedData_kByteData, buffer, size); | |
| 393 } else { | |
| 394 typed_data = Dart_Null(); | |
| 395 } | |
| 396 Dart_ListSetAt(list, 0, Dart_NewInteger(res)); | |
| 397 Dart_ListSetAt(list, 1, typed_data); | |
| 398 Dart_SetReturnValue(arguments, list); | |
| 399 } | |
| 400 | |
| 401 | |
| 402 static void MojoDataPipe_EndWriteData(Dart_NativeArguments arguments) { | |
| 403 int64_t handle = 0; | |
| 404 int64_t num_bytes_written = 0; | |
| 405 CHECK_INTEGER_ARGUMENT(arguments, 0, &handle, InvalidArgument); | |
| 406 CHECK_INTEGER_ARGUMENT(arguments, 1, &num_bytes_written, InvalidArgument); | |
| 407 | |
| 408 MojoResult res = MojoEndWriteData( | |
| 409 static_cast<MojoHandle>(handle), | |
| 410 static_cast<uint32_t>(num_bytes_written)); | |
| 411 | |
| 412 Dart_SetIntegerReturnValue(arguments, static_cast<int64_t>(res)); | |
| 413 } | |
| 414 | |
| 415 | |
| 416 static void MojoDataPipe_ReadData(Dart_NativeArguments arguments) { | |
| 417 int64_t handle = 0; | |
| 418 CHECK_INTEGER_ARGUMENT(arguments, 0, &handle, Null); | |
| 419 | |
| 420 Dart_Handle typed_data = Dart_GetNativeArgument(arguments, 1); | |
| 421 if (!Dart_IsTypedData(typed_data) && !Dart_IsNull(typed_data)) { | |
| 422 SetNullReturn(arguments); | |
| 423 return; | |
| 424 } | |
| 425 | |
| 426 int64_t num_bytes = 0; | |
| 427 CHECK_INTEGER_ARGUMENT(arguments, 2, &num_bytes, Null); | |
| 428 | |
| 429 int64_t flags = 0; | |
| 430 CHECK_INTEGER_ARGUMENT(arguments, 3, &flags, Null); | |
| 431 | |
| 432 Dart_TypedData_Type typ; | |
| 433 void* data = NULL; | |
| 434 intptr_t bdlen = 0; | |
| 435 if (!Dart_IsNull(typed_data)) { | |
| 436 Dart_TypedDataAcquireData(typed_data, &typ, &data, &bdlen); | |
| 437 } | |
| 438 uint32_t len = static_cast<uint32_t>(num_bytes); | |
| 439 MojoResult res = MojoReadData( | |
| 440 static_cast<MojoHandle>(handle), | |
| 441 data, | |
| 442 &len, | |
| 443 static_cast<MojoReadDataFlags>(flags)); | |
| 444 if (!Dart_IsNull(typed_data)) { | |
| 445 Dart_TypedDataReleaseData(typed_data); | |
| 446 } | |
| 447 | |
| 448 Dart_Handle list = Dart_NewList(2); | |
| 449 Dart_ListSetAt(list, 0, Dart_NewInteger(res)); | |
| 450 Dart_ListSetAt(list, 1, Dart_NewInteger(len)); | |
| 451 Dart_SetReturnValue(arguments, list); | |
| 452 } | |
| 453 | |
| 454 | |
| 455 static void MojoDataPipe_BeginReadData(Dart_NativeArguments arguments) { | |
| 456 int64_t handle = 0; | |
| 457 int64_t buffer_bytes = 0; | |
| 458 int64_t flags = 0; | |
| 459 CHECK_INTEGER_ARGUMENT(arguments, 0, &handle, Null); | |
| 460 CHECK_INTEGER_ARGUMENT(arguments, 1, &buffer_bytes, Null); | |
| 461 CHECK_INTEGER_ARGUMENT(arguments, 2, &flags, Null); | |
| 462 | |
| 463 void* buffer; | |
| 464 uint32_t size = static_cast<uint32_t>(buffer_bytes); | |
| 465 MojoResult res = MojoBeginReadData( | |
| 466 static_cast<MojoHandle>(handle), | |
| 467 const_cast<const void**>(&buffer), | |
| 468 &size, | |
| 469 static_cast<MojoWriteDataFlags>(flags)); | |
| 470 | |
| 471 Dart_Handle list = Dart_NewList(2); | |
| 472 Dart_Handle typed_data; | |
| 473 if (res == MOJO_RESULT_OK) { | |
| 474 typed_data = Dart_NewExternalTypedData( | |
| 475 Dart_TypedData_kByteData, buffer, size); | |
| 476 } else { | |
| 477 typed_data = Dart_Null(); | |
| 478 } | |
| 479 Dart_ListSetAt(list, 0, Dart_NewInteger(res)); | |
| 480 Dart_ListSetAt(list, 1, typed_data); | |
| 481 Dart_SetReturnValue(arguments, list); | |
| 482 } | |
| 483 | |
| 484 | |
| 485 static void MojoDataPipe_EndReadData(Dart_NativeArguments arguments) { | |
| 486 int64_t handle = 0; | |
| 487 int64_t num_bytes_read = 0; | |
| 488 CHECK_INTEGER_ARGUMENT(arguments, 0, &handle, InvalidArgument); | |
| 489 CHECK_INTEGER_ARGUMENT(arguments, 1, &num_bytes_read, InvalidArgument); | |
| 490 | |
| 491 MojoResult res = MojoEndReadData( | |
| 492 static_cast<MojoHandle>(handle), | |
| 493 static_cast<uint32_t>(num_bytes_read)); | |
| 494 | |
| 495 Dart_SetIntegerReturnValue(arguments, static_cast<int64_t>(res)); | |
| 496 } | |
| 497 | |
| 498 | |
| 499 static void MojoMessagePipe_Create(Dart_NativeArguments arguments) { | |
| 500 int64_t flags = 0; | |
| 501 CHECK_INTEGER_ARGUMENT(arguments, 0, &flags, Null); | |
| 502 | |
| 503 MojoCreateMessagePipeOptions options; | |
| 504 options.struct_size = sizeof(MojoCreateMessagePipeOptions); | |
| 505 options.flags = static_cast<MojoCreateMessagePipeOptionsFlags>(flags); | |
| 506 | |
| 507 MojoHandle end1 = MOJO_HANDLE_INVALID; | |
| 508 MojoHandle end2 = MOJO_HANDLE_INVALID; | |
| 509 MojoResult res = MojoCreateMessagePipe(&options, &end1, &end2); | |
| 510 | |
| 511 Dart_Handle list = Dart_NewList(3); | |
| 512 Dart_ListSetAt(list, 0, Dart_NewInteger(res)); | |
| 513 Dart_ListSetAt(list, 1, Dart_NewInteger(end1)); | |
| 514 Dart_ListSetAt(list, 2, Dart_NewInteger(end2)); | |
| 515 Dart_SetReturnValue(arguments, list); | |
| 516 } | |
| 517 | |
| 518 | |
| 519 static void MojoMessagePipe_Write(Dart_NativeArguments arguments) { | |
| 520 int64_t handle = 0; | |
| 521 CHECK_INTEGER_ARGUMENT(arguments, 0, &handle, InvalidArgument); | |
| 522 | |
| 523 Dart_Handle typed_data = Dart_GetNativeArgument(arguments, 1); | |
| 524 if (!Dart_IsTypedData(typed_data) && !Dart_IsNull(typed_data)) { | |
| 525 SetInvalidArgumentReturn(arguments); | |
| 526 return; | |
| 527 } | |
| 528 | |
| 529 int64_t num_bytes = 0; | |
| 530 CHECK_INTEGER_ARGUMENT(arguments, 2, &num_bytes, InvalidArgument); | |
| 531 | |
| 532 Dart_Handle handles = Dart_GetNativeArgument(arguments, 3); | |
| 533 if (!Dart_IsList(handles) && !Dart_IsNull(handles)) { | |
| 534 SetInvalidArgumentReturn(arguments); | |
| 535 return; | |
| 536 } | |
| 537 | |
| 538 int64_t flags = 0; | |
| 539 CHECK_INTEGER_ARGUMENT(arguments, 4, &flags, InvalidArgument); | |
| 540 | |
| 541 // Grab the data if there is any. | |
| 542 Dart_TypedData_Type typ; | |
| 543 void* bytes = NULL; | |
| 544 intptr_t bdlen = 0; | |
| 545 if (!Dart_IsNull(typed_data)) { | |
| 546 Dart_TypedDataAcquireData(typed_data, &typ, &bytes, &bdlen); | |
| 547 } | |
| 548 | |
| 549 // Grab the handles if there are any. | |
| 550 scoped_ptr<MojoHandle[]> mojo_handles; | |
| 551 intptr_t handles_len = 0; | |
| 552 if (!Dart_IsNull(handles)) { | |
| 553 Dart_ListLength(handles, &handles_len); | |
| 554 mojo_handles.reset(new MojoHandle[handles_len]); | |
| 555 for (int i = 0; i < handles_len; i++) { | |
| 556 Dart_Handle dart_handle = Dart_ListGetAt(handles, i); | |
| 557 if (!Dart_IsInteger(dart_handle)) { | |
| 558 SetInvalidArgumentReturn(arguments); | |
| 559 return; | |
| 560 } | |
| 561 int64_t mojo_handle = 0; | |
| 562 Dart_IntegerToInt64(dart_handle, &mojo_handle); | |
| 563 mojo_handles[i] = static_cast<MojoHandle>(mojo_handle); | |
| 564 } | |
| 565 } | |
| 566 | |
| 567 MojoResult res = MojoWriteMessage( | |
| 568 static_cast<MojoHandle>(handle), | |
| 569 const_cast<const void*>(bytes), | |
| 570 static_cast<uint32_t>(num_bytes), | |
| 571 mojo_handles.get(), | |
| 572 static_cast<uint32_t>(handles_len), | |
| 573 static_cast<MojoWriteMessageFlags>(flags)); | |
| 574 | |
| 575 // Release the data. | |
| 576 if (!Dart_IsNull(typed_data)) { | |
| 577 Dart_TypedDataReleaseData(typed_data); | |
| 578 } | |
| 579 | |
| 580 Dart_SetIntegerReturnValue(arguments, static_cast<int64_t>(res)); | |
| 581 } | |
| 582 | |
| 583 | |
| 584 static void MojoMessagePipe_Read(Dart_NativeArguments arguments) { | |
| 585 int64_t handle = 0; | |
| 586 CHECK_INTEGER_ARGUMENT(arguments, 0, &handle, Null); | |
| 587 | |
| 588 Dart_Handle typed_data = Dart_GetNativeArgument(arguments, 1); | |
| 589 if (!Dart_IsTypedData(typed_data) && !Dart_IsNull(typed_data)) { | |
| 590 SetNullReturn(arguments); | |
| 591 return; | |
| 592 } | |
| 593 | |
| 594 int64_t num_bytes = 0; | |
| 595 CHECK_INTEGER_ARGUMENT(arguments, 2, &num_bytes, Null); | |
| 596 | |
| 597 Dart_Handle handles = Dart_GetNativeArgument(arguments, 3); | |
| 598 if (!Dart_IsList(handles) && !Dart_IsNull(handles)) { | |
| 599 SetNullReturn(arguments); | |
| 600 return; | |
| 601 } | |
| 602 | |
| 603 int64_t flags = 0; | |
| 604 CHECK_INTEGER_ARGUMENT(arguments, 4, &flags, Null); | |
| 605 | |
| 606 // Grab the data if there is any. | |
| 607 Dart_TypedData_Type typ; | |
| 608 void* bytes = NULL; | |
| 609 intptr_t byte_data_len = 0; | |
| 610 if (!Dart_IsNull(typed_data)) { | |
| 611 Dart_TypedDataAcquireData(typed_data, &typ, &bytes, &byte_data_len); | |
| 612 } | |
| 613 uint32_t blen = static_cast<uint32_t>(num_bytes); | |
| 614 | |
| 615 // Grab the handles if there are any. | |
| 616 scoped_ptr<MojoHandle[]> mojo_handles; | |
| 617 intptr_t handles_len = 0; | |
| 618 if (!Dart_IsNull(handles)) { | |
| 619 Dart_ListLength(handles, &handles_len); | |
| 620 mojo_handles.reset(new MojoHandle[handles_len]); | |
| 621 } | |
| 622 uint32_t hlen = static_cast<uint32_t>(handles_len); | |
| 623 | |
| 624 MojoResult res = MojoReadMessage( | |
| 625 static_cast<MojoHandle>(handle), | |
| 626 bytes, | |
| 627 &blen, | |
| 628 mojo_handles.get(), | |
| 629 &hlen, | |
| 630 static_cast<MojoReadMessageFlags>(flags)); | |
| 631 | |
| 632 // Release the data. | |
| 633 if (!Dart_IsNull(typed_data)) { | |
| 634 Dart_TypedDataReleaseData(typed_data); | |
| 635 } | |
| 636 | |
| 637 if (!Dart_IsNull(handles)) { | |
| 638 for (int i = 0; i < handles_len; i++) { | |
| 639 Dart_ListSetAt(handles, i, Dart_NewInteger(mojo_handles[i])); | |
| 640 } | |
| 641 } | |
| 642 | |
| 643 Dart_Handle list = Dart_NewList(3); | |
| 644 Dart_ListSetAt(list, 0, Dart_NewInteger(res)); | |
| 645 Dart_ListSetAt(list, 1, Dart_NewInteger(blen)); | |
| 646 Dart_ListSetAt(list, 2, Dart_NewInteger(hlen)); | |
| 647 Dart_SetReturnValue(arguments, list); | |
| 648 } | |
| 649 | |
| 650 | |
| 651 struct ControlData { | |
| 652 int64_t handle; | |
| 653 Dart_Port port; | |
| 654 int64_t data; | |
| 655 }; | |
| 656 | |
| 657 | |
| 658 static void MojoHandleWatcher_SendControlData(Dart_NativeArguments arguments) { | |
| 659 int64_t control_handle = 0; | |
| 660 int64_t client_handle = 0; | |
| 661 CHECK_INTEGER_ARGUMENT(arguments, 0, &control_handle, InvalidArgument); | |
| 662 CHECK_INTEGER_ARGUMENT(arguments, 1, &client_handle, InvalidArgument); | |
| 663 | |
| 664 Dart_Handle send_port_handle = Dart_GetNativeArgument(arguments, 2); | |
| 665 Dart_Port send_port_id = 0; | |
| 666 if (!Dart_IsNull(send_port_handle)) { | |
| 667 Dart_Handle result = Dart_SendPortGetId(send_port_handle, &send_port_id); | |
| 668 if (Dart_IsError(result)) { | |
| 669 SetInvalidArgumentReturn(arguments); | |
| 670 return; | |
| 671 } | |
| 672 } | |
| 673 | |
| 674 int64_t data = 0; | |
| 675 CHECK_INTEGER_ARGUMENT(arguments, 3, &data, InvalidArgument); | |
| 676 | |
| 677 ControlData cd; | |
| 678 cd.handle = client_handle; | |
| 679 cd.port = send_port_id; | |
| 680 cd.data = data; | |
| 681 const void* bytes = reinterpret_cast<const void*>(&cd); | |
| 682 MojoResult res = MojoWriteMessage( | |
| 683 control_handle, bytes, sizeof(cd), NULL, 0, 0); | |
| 684 Dart_SetIntegerReturnValue(arguments, static_cast<int64_t>(res)); | |
| 685 } | |
| 686 | |
| 687 | |
| 688 static void MojoHandleWatcher_RecvControlData(Dart_NativeArguments arguments) { | |
| 689 int64_t control_handle = 0; | |
| 690 CHECK_INTEGER_ARGUMENT(arguments, 0, &control_handle, Null); | |
| 691 | |
| 692 ControlData cd; | |
| 693 void* bytes = reinterpret_cast<void*>(&cd); | |
| 694 uint32_t num_bytes = sizeof(cd); | |
| 695 uint32_t num_handles = 0; | |
| 696 MojoResult res = MojoReadMessage( | |
| 697 control_handle, bytes, &num_bytes, NULL, &num_handles, 0); | |
| 698 if (res != MOJO_RESULT_OK) { | |
| 699 SetNullReturn(arguments); | |
| 700 return; | |
| 701 } | |
| 702 | |
| 703 Dart_Handle list = Dart_NewList(3); | |
| 704 Dart_ListSetAt(list, 0, Dart_NewInteger(cd.handle)); | |
| 705 Dart_ListSetAt(list, 1, Dart_NewSendPort(cd.port)); | |
| 706 Dart_ListSetAt(list, 2, Dart_NewInteger(cd.data)); | |
| 707 Dart_SetReturnValue(arguments, list); | |
| 708 } | |
| 709 | |
| 710 | |
| 711 static int64_t mojo_control_handle = MOJO_HANDLE_INVALID; | |
| 712 static void MojoHandleWatcher_SetControlHandle(Dart_NativeArguments arguments) { | |
| 713 int64_t control_handle; | |
| 714 CHECK_INTEGER_ARGUMENT(arguments, 0, &control_handle, InvalidArgument); | |
| 715 | |
| 716 if (mojo_control_handle == static_cast<int64_t>(MOJO_HANDLE_INVALID)) { | |
| 717 mojo_control_handle = control_handle; | |
| 718 } | |
| 719 | |
| 720 Dart_SetIntegerReturnValue(arguments, static_cast<int64_t>(MOJO_RESULT_OK)); | |
| 721 } | |
| 722 | |
| 723 | |
| 724 static void MojoHandleWatcher_GetControlHandle(Dart_NativeArguments arguments) { | |
| 725 Dart_SetIntegerReturnValue(arguments, mojo_control_handle); | |
| 726 } | |
| 727 | |
| 728 | |
| 729 #define SCOPE_FUNCTIONS(V) \ | |
| 730 V(MojoSharedBuffer_Create) \ | |
| 731 V(MojoSharedBuffer_Duplicate) \ | |
| 732 V(MojoSharedBuffer_Map) \ | |
| 733 V(MojoSharedBuffer_Unmap) \ | |
| 734 V(MojoDataPipe_Create) \ | |
| 735 V(MojoDataPipe_WriteData) \ | |
| 736 V(MojoDataPipe_BeginWriteData) \ | |
| 737 V(MojoDataPipe_ReadData) \ | |
| 738 V(MojoDataPipe_BeginReadData) \ | |
| 739 V(MojoDataPipe_EndReadData) \ | |
| 740 V(MojoMessagePipe_Create) \ | |
| 741 V(MojoMessagePipe_Write) \ | |
| 742 V(MojoMessagePipe_Read) \ | |
| 743 V(MojoHandle_Register) \ | |
| 744 V(MojoHandle_WaitMany) \ | |
| 745 V(MojoHandleWatcher_SendControlData) \ | |
| 746 V(MojoHandleWatcher_RecvControlData) \ | |
| 747 | |
| 748 #define NOSCOPE_FUNCTIONS(V) \ | |
| 749 V(MojoSystemThunks_Set) \ | |
| 750 V(MojoHandle_Close) \ | |
| 751 V(MojoHandle_Wait) \ | |
| 752 V(MojoDataPipe_EndWriteData) \ | |
| 753 V(MojoHandleWatcher_SetControlHandle) \ | |
| 754 V(MojoHandleWatcher_GetControlHandle) \ | |
| 755 | |
| 756 #define FUNCTION_STRING_MAP(name) {#name, name}, | |
| 757 | |
| 758 struct FunctionLookup { | |
| 759 const char* name; | |
| 760 Dart_NativeFunction function; | |
| 761 }; | |
| 762 | |
| 763 FunctionLookup function_list[] = { | |
| 764 SCOPE_FUNCTIONS(FUNCTION_STRING_MAP) | |
| 765 {NULL, NULL} | |
| 766 }; | |
| 767 | |
| 768 FunctionLookup no_scope_function_list[] = { | |
| 769 NOSCOPE_FUNCTIONS(FUNCTION_STRING_MAP) | |
| 770 {NULL, NULL} | |
| 771 }; | |
| 772 | |
| 773 #undef FUNCTION_STRING_MAP | |
| 774 | |
| 775 | |
| 776 Dart_NativeFunction ResolveName(Dart_Handle name, | |
| 777 int argc, | |
| 778 bool* auto_setup_scope) { | |
| 779 if (!Dart_IsString(name)) { | |
| 780 return NULL; | |
| 781 } | |
| 782 Dart_NativeFunction result = NULL; | |
| 783 if (auto_setup_scope == NULL) { | |
| 784 return NULL; | |
| 785 } | |
| 786 | |
| 787 Dart_EnterScope(); | |
| 788 const char* cname; | |
| 789 HandleError(Dart_StringToCString(name, &cname)); | |
| 790 | |
| 791 for (int i=0; function_list[i].name != NULL; ++i) { | |
| 792 if (strcmp(function_list[i].name, cname) == 0) { | |
| 793 *auto_setup_scope = true; | |
| 794 Dart_ExitScope(); | |
| 795 return function_list[i].function; | |
| 796 } | |
| 797 } | |
| 798 | |
| 799 for (int i=0; no_scope_function_list[i].name != NULL; ++i) { | |
| 800 if (strcmp(no_scope_function_list[i].name, cname) == 0) { | |
| 801 *auto_setup_scope = false; | |
| 802 result = no_scope_function_list[i].function; | |
| 803 break; | |
| 804 } | |
| 805 } | |
| 806 | |
| 807 Dart_ExitScope(); | |
| 808 return result; | |
| 809 } | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 782693004:
Update mojo sdk to rev f6c8ec07c01deebc13178d516225fd12695c3dc2 (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master