1 files changed, 79 insertions, 0 deletions
diff --git a/src/node/ext/byte_buffer.cc b/src/node/ext/byte_buffer.cc
new file mode 100644
index 0000000000..142951475a
--- /dev/null
+++ b/src/node/ext/byte_buffer.cc
@@ -0,0 +1,79 @@
+/*
+ *
+ * Copyright 2014, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <string.h>
+#include <malloc.h>
+
+#include <node.h>
+#include <nan.h>
+#include "grpc/grpc.h"
+#include "grpc/support/slice.h"
+
+namespace grpc {
+namespace node {
+
+#include "byte_buffer.h"
+
+using ::node::Buffer;
+using v8::Handle;
+using v8::Value;
+
+grpc_byte_buffer *BufferToByteBuffer(Handle<Value> buffer) {
+  NanScope();
+  int length = Buffer::Length(buffer);
+  char *data = Buffer::Data(buffer);
+  gpr_slice slice = gpr_slice_malloc(length);
+  memcpy(GPR_SLICE_START_PTR(slice), data, length);
+  grpc_byte_buffer *byte_buffer(grpc_byte_buffer_create(&slice, 1));
+  gpr_slice_unref(slice);
+  return byte_buffer;
+}
+
+Handle<Value> ByteBufferToBuffer(grpc_byte_buffer *buffer) {
+  NanEscapableScope();
+  if (buffer == NULL) {
+    NanReturnNull();
+  }
+  size_t length = grpc_byte_buffer_length(buffer);
+  char *result = reinterpret_cast<char *>(calloc(length, sizeof(char)));
+  size_t offset = 0;
+  grpc_byte_buffer_reader *reader = grpc_byte_buffer_reader_create(buffer);
+  gpr_slice next;
+  while (grpc_byte_buffer_reader_next(reader, &next) != 0) {
+    memcpy(result + offset, GPR_SLICE_START_PTR(next), GPR_SLICE_LENGTH(next));
+    offset += GPR_SLICE_LENGTH(next);
+  }
+  return NanEscapeScope(NanNewBufferHandle(result, length));
+}
+}  // namespace node
+}  // namespace grpc