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/*
* Copyright (C) 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef _ANDROID_OS_DROPBOXMANAGER_H
#define _ANDROID_OS_DROPBOXMANAGER_H
#include <android-base/unique_fd.h>
#include <binder/Parcel.h>
#include <binder/Parcelable.h>
#include <binder/Status.h>
#include <utils/RefBase.h>
#include <vector>
namespace android {
namespace os {
using namespace android;
using namespace android::base;
using namespace android::binder;
using namespace std;
class DropBoxManager : public virtual RefBase
{
public:
enum {
IS_EMPTY = 1,
IS_TEXT = 2,
IS_GZIPPED = 4
};
DropBoxManager();
virtual ~DropBoxManager();
static sp<DropBoxManager> create();
// Create a new entry with plain text contents.
Status addText(const String16& tag, const string& text);
// Create a new Entry with byte array contents. Makes a copy of the data.
Status addData(const String16& tag, uint8_t const* data, size_t size, int flags);
// Create a new Entry from a file. The file will be opened in this process
// and a handle will be passed to the system process, so no additional permissions
// are required from the system process. Returns NULL if the file can't be opened.
Status addFile(const String16& tag, const string& filename, int flags);
// Create a new Entry from an already opened file. Takes ownership of the
// file descriptor.
Status addFile(const String16& tag, int fd, int flags);
class Entry : public virtual RefBase, public Parcelable {
public:
Entry();
virtual ~Entry();
virtual status_t writeToParcel(Parcel* out) const;
virtual status_t readFromParcel(const Parcel* in);
const vector<uint8_t>& getData() const;
const unique_fd& getFd() const;
int32_t getFlags() const;
int64_t getTimestamp() const;
private:
Entry(const String16& tag, int32_t flags);
Entry(const String16& tag, int32_t flags, int fd);
String16 mTag;
int64_t mTimeMillis;
int32_t mFlags;
vector<uint8_t> mData;
unique_fd mFd;
friend class DropBoxManager;
};
// Get the next entry from the drop box after the specified time.
Status getNextEntry(const String16& tag, long msec, Entry* entry);
private:
enum {
HAS_BYTE_ARRAY = 8
};
Status add(const Entry& entry);
};
}} // namespace android::os
#endif // _ANDROID_OS_DROPBOXMANAGER_H
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