- Add a per-isolate pseudo random number generator to the

runtime/bin/dartutils.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "bin/dartutils.h"
 
 #include "include/dart_api.h"
 #include "include/dart_native_api.h"
 
 #include "platform/assert.h"
 #include "platform/globals.h"
 
 #include "bin/extensions.h"
+#include "bin/crypto.h"
 #include "bin/directory.h"

[siva, 2013/11/05 23:37:46]

extensions.h should come here in the order.

[Ivan Posva, 2013/11/05 23:44:56]

Done.

 #include "bin/file.h"
 #include "bin/io_buffer.h"
 #include "bin/utils.h"
 #include "bin/socket.h"

[siva, 2013/11/05 23:37:46]

socket.h should go before.

[Ivan Posva, 2013/11/05 23:44:56]

Done.

 
 namespace dart {
 namespace bin {
 
 const char* DartUtils::original_working_directory = NULL;
 const char* DartUtils::kDartScheme = "dart:";
 const char* DartUtils::kDartExtensionScheme = "dart-ext:";
 const char* DartUtils::kAsyncLibURL = "dart:async";
 const char* DartUtils::kBuiltinLibURL = "dart:builtin";
 const char* DartUtils::kCoreLibURL = "dart:core";
@@ skipping 207 matching lines @@
   bool bytes_written = file_stream->WriteFully(buffer, num_bytes);
   ASSERT(bytes_written);
 }
 
 
 void DartUtils::CloseFile(void* stream) {
   delete reinterpret_cast<File*>(stream);
 }
 
 
+bool DartUtils::EntropySource(uint8_t* buffer, size_t length) {
+  return Crypto::GetRandomBytes(length, buffer);
+}
+
+
 static Dart_Handle SingleArgDart_Invoke(Dart_Handle lib, const char* method,
                                         Dart_Handle arg) {
   const int kNumArgs = 1;
   Dart_Handle dart_args[kNumArgs];
   dart_args[0] = arg;
   return Dart_Invoke(lib, DartUtils::NewString(method), kNumArgs, dart_args);
 }
 
 
 // TODO(iposva): Allocate from the zone instead of leaking error string
@@ skipping 786 matching lines @@
       new CObjectString(CObject::NewString(os_error->message()));
   CObjectArray* result = new CObjectArray(CObject::NewArray(3));
   result->SetAt(0, new CObjectInt32(CObject::NewInt32(kOSError)));
   result->SetAt(1, new CObjectInt32(CObject::NewInt32(os_error->code())));
   result->SetAt(2, error_message);
   return result;
 }
 
 }  // namespace bin
 }  // namespace dart