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// Copyright (c) 2010 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/platform_file.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;
}
void UploadData::CloseFiles() {
std::vector<Element>::iterator it = elements_.begin();
for (; it != elements_.end(); ++it) {
if (it->type() == TYPE_FILE)
it->Close();
}
}
base::PlatformFile UploadData::Element::platform_file() const {
DCHECK(type_ == TYPE_FILE) << "platform_file on non-file Element";
return file_;
}
void UploadData::Element::Close() {
DCHECK(type_ == TYPE_FILE) << "Close on non-file Element";
if (file_ != base::kInvalidPlatformFileValue)
base::ClosePlatformFile(file_);
file_ = base::kInvalidPlatformFileValue;
}
void UploadData::Element::SetToFilePathRange(const FilePath& path,
uint64 offset,
uint64 length) {
type_ = TYPE_FILE;
file_range_offset_ = 0;
file_range_length_ = 0;
Close();
if (offset + length < offset) {
LOG(ERROR) << "Upload file offset and length overflow 64-bits. Ignoring.";
return;
}
base::PlatformFile file = base::CreatePlatformFile(
path, base::PLATFORM_FILE_OPEN | base::PLATFORM_FILE_READ, NULL);
if (file == base::kInvalidPlatformFileValue) {
// This case occurs when the user selects a file that isn't readable.
file_path_= path;
return;
}
uint64 file_size;
if (!base::GetPlatformFileSize(file, &file_size)) {
base::ClosePlatformFile(file);
return;
}
if (offset > file_size) {
base::ClosePlatformFile(file);
return;
}
if (offset + length > file_size)
length = file_size - offset;
file_ = file;
file_path_ = path;
file_range_offset_ = offset;
file_range_length_ = length;
}
} // namespace net
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