Ensure embedder timeline callbacks are called for service protocol requests

runtime/vm/json_stream.cc

 // Copyright (c) 2013, 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 "platform/assert.h"
 
 #include "vm/dart_entry.h"
 #include "vm/debugger.h"
 #include "vm/json_stream.h"
 #include "vm/message.h"
 #include "vm/metrics.h"
 #include "vm/object.h"
 #include "vm/service.h"
 #include "vm/service_event.h"
 #include "vm/timeline.h"
 #include "vm/unicode.h"
 
 
 namespace dart {
 
 #ifndef PRODUCT
 
+void AppendJSONStreamConsumer(Dart_StreamConsumer_State state,
+                              const char* stream_name,
+                              const uint8_t* buffer,
+                              intptr_t buffer_length,
+                              void* user_data) {
+  if ((state == Dart_StreamConsumer_kStart) ||
+      (state == Dart_StreamConsumer_kFinish)) {
+    // Ignore.
+    return;
+  }
+  ASSERT(state == Dart_StreamConsumer_kData);
+  JSONStream* js = reinterpret_cast<JSONStream*>(user_data);
+  ASSERT(js != NULL);
+  js->AppendSerializedObject(buffer, buffer_length);
+}
+
+
 DECLARE_FLAG(bool, trace_service);
 
 JSONStream::JSONStream(intptr_t buf_size)
     : open_objects_(0),
       buffer_(buf_size),
       default_id_zone_(),
       id_zone_(&default_id_zone_),
       reply_port_(ILLEGAL_PORT),
       seq_(NULL),
       method_(""),
@@ skipping 223 matching lines @@
   }
 }
 
 
 void JSONStream::AppendSerializedObject(const char* serialized_object) {
   PrintCommaIfNeeded();
   buffer_.AddString(serialized_object);
 }
 
 
+void JSONStream::AppendSerializedObject(const uint8_t* buffer,
+                                        intptr_t buffer_length) {
+  buffer_.AddRaw(buffer, buffer_length);
+}
+
 void JSONStream::AppendSerializedObject(const char* property_name,
                                         const char* serialized_object) {
   PrintCommaIfNeeded();
   PrintPropertyName(property_name);
   buffer_.AddString(serialized_object);
 }
 
 void JSONStream::Clear() {
   buffer_.Clear();
   open_objects_ = 0;
@@ skipping 591 matching lines @@
   ASSERT(len == len2);
   stream_->buffer_.AddChar('"');
   stream_->AddEscapedUTF8String(p);
   stream_->buffer_.AddChar('"');
   free(p);
 }
 
 #endif  // !PRODUCT
 
 }  // namespace dart