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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.
#ifndef NET_BASE_UPLOAD_DATA_H_
#define NET_BASE_UPLOAD_DATA_H_
#include <vector>
#include "base/basictypes.h"
#include "base/file_path.h"
#include "base/ref_counted.h"
#include "base/time.h"
#include "testing/gtest/include/gtest/gtest_prod.h"
namespace net {
class UploadData : public base::RefCounted<UploadData> {
public:
UploadData() : identifier_(0) {}
enum Type {
TYPE_BYTES,
TYPE_FILE
};
class Element {
public:
Element() : type_(TYPE_BYTES), file_range_offset_(0),
file_range_length_(kuint64max),
override_content_length_(false) {
}
Type type() const { return type_; }
const std::vector<char>& bytes() const { return bytes_; }
const FilePath& file_path() const { return file_path_; }
uint64 file_range_offset() const { return file_range_offset_; }
uint64 file_range_length() const { return file_range_length_; }
// If NULL time is returned, we do not do the check.
const base::Time& expected_file_modification_time() const {
return expected_file_modification_time_;
}
void SetToBytes(const char* bytes, int bytes_len) {
type_ = TYPE_BYTES;
bytes_.assign(bytes, bytes + bytes_len);
}
void SetToFilePath(const FilePath& path) {
SetToFilePathRange(path, 0, kuint64max, base::Time());
}
// If expected_modification_time is NULL, we do not check for the file
// change. Also note that the granularity for comparison is time_t, not
// the full precision.
void SetToFilePathRange(const FilePath& path,
uint64 offset, uint64 length,
const base::Time& expected_modification_time) {
type_ = TYPE_FILE;
file_path_ = path;
file_range_offset_ = offset;
file_range_length_ = length;
expected_file_modification_time_ = expected_modification_time;
}
// Returns the byte-length of the element. For files that do not exist, 0
// is returned. This is done for consistency with Mozilla.
uint64 GetContentLength() const;
private:
// Allows tests to override the result of GetContentLength.
void SetContentLength(uint64 content_length) {
override_content_length_ = true;
content_length_ = content_length;
}
Type type_;
std::vector<char> bytes_;
FilePath file_path_;
uint64 file_range_offset_;
uint64 file_range_length_;
base::Time expected_file_modification_time_;
bool override_content_length_;
uint64 content_length_;
FRIEND_TEST(UploadDataStreamTest, FileSmallerThanLength);
FRIEND_TEST(HttpNetworkTransactionTest, UploadFileSmallerThanLength);
};
void AppendBytes(const char* bytes, int bytes_len) {
if (bytes_len > 0) {
elements_.push_back(Element());
elements_.back().SetToBytes(bytes, bytes_len);
}
}
void AppendFile(const FilePath& file_path) {
elements_.push_back(Element());
elements_.back().SetToFilePath(file_path);
}
void AppendFileRange(const FilePath& file_path,
uint64 offset, uint64 length,
const base::Time& expected_modification_time) {
elements_.push_back(Element());
elements_.back().SetToFilePathRange(file_path, offset, length,
expected_modification_time);
}
// Returns the total size in bytes of the data to upload.
uint64 GetContentLength() const;
const std::vector<Element>& elements() const {
return elements_;
}
void set_elements(const std::vector<Element>& elements) {
elements_ = elements;
}
void swap_elements(std::vector<Element>* elements) {
elements_.swap(*elements);
}
// Identifies a particular upload instance, which is used by the cache to
// formulate a cache key. This value should be unique across browser
// sessions. A value of 0 is used to indicate an unspecified identifier.
void set_identifier(int64 id) { identifier_ = id; }
int64 identifier() const { return identifier_; }
private:
friend class base::RefCounted<UploadData>;
~UploadData() {}
std::vector<Element> elements_;
int64 identifier_;
};
} // namespace net
#endif // NET_BASE_UPLOAD_DATA_H_
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