Initial import of libmojo r405848
This brings libmojo in sync with libchrome.
Bug: 27569341
Test: mma -j32 libmojo
Change-Id: Ia7cb877e46dd3f86f18888b5d8d80bef5468b266
diff --git a/mojo/common/data_pipe_utils.h b/mojo/common/data_pipe_utils.h
new file mode 100644
index 0000000..426912c
--- /dev/null
+++ b/mojo/common/data_pipe_utils.h
@@ -0,0 +1,60 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef MOJO_SHELL_DATA_PIPE_UTILS_H_
+#define MOJO_SHELL_DATA_PIPE_UTILS_H_
+
+#include <stdint.h>
+
+#include <string>
+
+#include "base/callback_forward.h"
+#include "mojo/common/mojo_common_export.h"
+#include "mojo/public/cpp/system/core.h"
+
+namespace base {
+class FilePath;
+class TaskRunner;
+}
+
+namespace mojo {
+namespace common {
+
+// Asynchronously copies data from source to the destination file. The given
+// |callback| is run upon completion. File writes will be scheduled to the
+// given |task_runner|.
+void MOJO_COMMON_EXPORT CopyToFile(
+ ScopedDataPipeConsumerHandle source,
+ const base::FilePath& destination,
+ base::TaskRunner* task_runner,
+ const base::Callback<void(bool /*success*/)>& callback);
+
+void MOJO_COMMON_EXPORT
+CopyFromFile(const base::FilePath& source,
+ ScopedDataPipeProducerHandle destination,
+ uint32_t skip,
+ base::TaskRunner* task_runner,
+ const base::Callback<void(bool /*success*/)>& callback);
+
+// Copies the data from |source| into |contents| and returns true on success and
+// false on error. In case of I/O error, |contents| holds the data that could
+// be read from source before the error occurred.
+bool MOJO_COMMON_EXPORT BlockingCopyToString(
+ ScopedDataPipeConsumerHandle source,
+ std::string* contents);
+
+bool MOJO_COMMON_EXPORT BlockingCopyFromString(
+ const std::string& source,
+ const ScopedDataPipeProducerHandle& destination);
+
+// Synchronously copies data from source to the destination file returning true
+// on success and false on error. In case of an error, |destination| holds the
+// data that could be read from the source before the error occured.
+bool MOJO_COMMON_EXPORT BlockingCopyToFile(ScopedDataPipeConsumerHandle source,
+ const base::FilePath& destination);
+
+} // namespace common
+} // namespace mojo
+
+#endif // MOJO_SHELL_DATA_PIPE_UTILS_H_