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/** -*- C++ -*-
* Copyright (C) 2009-2011 New Dream Network
*
* This file is part of Hypertable.
*
* Hypertable is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or any later version.
*
* Hypertable is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Hypertable. If not, see <http://www.gnu.org/licenses/>
*
* Authors:
* Gregory Farnum <gfarnum@gmail.com>
* Colin McCabe <cmccabe@alumni.cmu.edu>
*/
#ifndef HYPERTABLE_CEPHBROKER_H
#define HYPERTABLE_CEPHBROKER_H
extern "C" {
#include <unistd.h>
}
#include <atomic>
#include "Common/String.h"
#include "Common/Properties.h"
#include "DfsBroker/Lib/Broker.h"
#include <cephfs/libcephfs.h>
namespace Hypertable {
using namespace DfsBroker;
/**
*
*/
class OpenFileDataCeph : public OpenFileData {
public:
OpenFileDataCeph(struct ceph_mount_info *cmount_, const String& fname,
int _fd, int _flags);
virtual ~OpenFileDataCeph();
struct ceph_mount_info *cmount;
int fd;
int flags;
String filename;
};
/**
*
*/
class OpenFileDataCephPtr : public OpenFileDataPtr {
public:
OpenFileDataCephPtr() : OpenFileDataPtr() { }
explicit OpenFileDataCephPtr(OpenFileDataCeph *ofdl) : OpenFileDataPtr(ofdl, true) { }
OpenFileDataCeph *operator->() const { return static_cast<OpenFileDataCeph *>(get()); }
};
/**
*
*/
class CephBroker : public DfsBroker::Broker {
public:
explicit CephBroker(PropertiesPtr& cfg);
virtual ~CephBroker();
virtual void open(ResponseCallbackOpen *cb, const char *fname,
uint32_t flags, uint32_t bufsz);
virtual void
create(ResponseCallbackOpen *cb, const char *fname, uint32_t flags,
int32_t bufsz, int16_t replication, int64_t blksz);
virtual void close(ResponseCallback *cb, uint32_t fd);
virtual void read(ResponseCallbackRead *cb, uint32_t fd, uint32_t amount);
virtual void append(ResponseCallbackAppend *cb, uint32_t fd,
uint32_t amount, const void *data, bool sync);
virtual void seek(ResponseCallback *cb, uint32_t fd, uint64_t offset);
virtual void remove(ResponseCallback *cb, const char *fname);
virtual void length(ResponseCallbackLength *cb, const char *fname, bool);
virtual void pread(ResponseCallbackRead *cb, uint32_t fd, uint64_t offset,
uint32_t amount, bool);
virtual void mkdirs(ResponseCallback *cb, const char *dname);
virtual void rmdir(ResponseCallback *cb, const char *dname);
virtual void flush(ResponseCallback *cb, uint32_t fd);
virtual void status(ResponseCallback *cb);
virtual void shutdown(ResponseCallback *cb);
virtual void readdir(ResponseCallbackReaddir *cb, const char *dname);
virtual void exists(ResponseCallbackExists *cb, const char *fname);
virtual void rename(ResponseCallback *cb, const char *src, const char *dst);
virtual void debug(ResponseCallback *, int32_t command,
StaticBuffer &serialized_parameters);
private:
struct ceph_mount_info *cmount;
static std::atomic<int> ms_next_fd;
virtual void report_error(ResponseCallback *cb, int error);
void make_abs_path(const char *fname, String& abs) {
if (fname[0] == '/')
abs = fname;
else
abs = m_root_dir + "/" + fname;
}
int rmdir_recursive(const char *directory);
bool m_verbose;
String m_root_dir;
};
}
#endif //HYPERTABLE_CEPH_BROKER_H
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