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#ifndef NETFS_FUSE_H
#define NETFS_FUSE_H
#include <boost/thread/shared_mutex.hpp>
#include <Ice/Ice.h>
#include <Glacier2/Session.h>
#include <service.h>
#include "fuseAppBase.h"
#include "fuseConfig.h"
#include "cache.h"
namespace NetFS {
class FuseApp : public FuseAppBase {
private:
class OpenDir : public IceUtil::Shared {
public:
OpenDir(DirectoryPrx remote, const std::string & path);
DirectoryPrx remote;
const std::string path;
};
typedef IceUtil::Handle<OpenDir> OpenDirPtr;
typedef std::map<int, OpenDirPtr> OpenDirs;
class OpenFile : public IceUtil::Shared {
public:
OpenFile(FilePrx remote, const std::string & path, int flags);
FilePrx remote;
const std::string path;
const int flags;
};
typedef IceUtil::Handle<OpenFile> OpenFilePtr;
typedef std::map<int, OpenFilePtr> OpenFiles;
public:
FuseApp(int & argc, char ** argv);
~FuseApp();
private:
void * init (struct fuse_conn_info * info);
int opt_parse(void *, const char * arg, int key, struct fuse_args *);
void connectSession();
void connectToService();
void connectToVolume();
void connectHandles();
void verifyConnection();
public:
// misc
int access(const char * p, int a);
int getattr(const char * p, struct stat * s);
int fgetattr(const char *, struct stat *, struct fuse_file_info *);
int chmod(const char *, mode_t);
int chown(const char *, uid_t, gid_t);
int link(const char *, const char *);
int readlink(const char *, char *, size_t);
int rename(const char *, const char *);
int symlink(const char *, const char *);
int unlink(const char *);
int utimens(const char *, const struct timespec tv[2]);
int mknod(const char *, mode_t, dev_t);
// dirs
int opendir(const char * p, struct fuse_file_info * fi);
int releasedir(const char *, struct fuse_file_info * fi);
int readdir(const char *, void * buf, fuse_fill_dir_t filler, off_t, struct fuse_file_info * fi);
int mkdir(const char *, mode_t);
int rmdir(const char *);
// files
int open(const char * p, struct fuse_file_info * fi);
int create(const char *, mode_t, struct fuse_file_info *);
int release(const char *, struct fuse_file_info * fi);
int read(const char *, char * buf, size_t s, off_t o, struct fuse_file_info * fi);
int write(const char *, const char * buf, size_t s, off_t o, struct fuse_file_info * fi);
int truncate(const char *, off_t);
int ftruncate(const char *, off_t, struct fuse_file_info *);
// fs
int statfs(const char *, struct statvfs *);
// stuff
int onError(const std::exception & err) throw();
virtual struct fuse_context * fuse_get_context() = 0;
protected:
virtual NetFS::Client::ConfigurationPtr ReadConfiguration(const std::string &) const;
private:
void setProxy(OpenFilePtr, uint64_t & fh);
OpenFilePtr getFileProxy(uint64_t localID) const;
void clearFileProxy(uint64_t localID);
void setProxy(OpenDirPtr, uint64_t & fh);
OpenDirPtr getDirProxy(uint64_t localID) const;
void clearDirProxy(uint64_t localID);
ReqEnv reqEnv();
int & _argc;
char ** _argv;
Ice::CommunicatorPtr ic;
Client::ConfigurationPtr fc;
mutable boost::shared_mutex _lock;
NetFS::VolumePrx volume;
NetFS::ServicePrx service;
Glacier2::SessionPrx session;
bool sessionOpened;
std::string mountPoint;
std::string resourceName;
std::string configPath;
OpenDirs openDirs;
int openDirID;
OpenFiles openFiles;
int openFileID;
typedef Cache<struct stat, std::string, IceUtil::Shared, IceUtil::Handle<Cacheable<struct stat, std::string, IceUtil::Shared>>> StatCache;
StatCache statCache;
};
}
#endif
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