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// Copyright (c) 2006-2008 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.
#include "net/base/upload_data.h"
#include "base/file_util.h"
#include "base/logging.h"
namespace net {
uint64 UploadData::GetContentLength() const {
uint64 len = 0;
std::vector<Element>::const_iterator it = elements_.begin();
for (; it != elements_.end(); ++it)
len += (*it).GetContentLength();
return len;
}
uint64 UploadData::Element::GetContentLength() const {
if (type_ == TYPE_BYTES)
return static_cast<uint64>(bytes_.size());
DCHECK(type_ == TYPE_FILE);
// TODO(darin): This size calculation could be out of sync with the state of
// the file when we get around to reading it. We should probably find a way
// to lock the file or somehow protect against this error condition.
int64 length = 0;
if (!file_util::GetFileSize(file_path_, &length))
return 0;
if (file_range_offset_ >= static_cast<uint64>(length))
return 0; // range is beyond eof
// compensate for the offset and clip file_range_length_ to eof
return std::min(length - file_range_offset_, file_range_length_);
}
} // namespace net
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