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#ifndef FUSE_H
#define FUSE_H

#include <boost/thread/mutex.hpp>
#include <Ice/Ice.h>
#include "netfsComms.h"
#include "fuseapp.h"
#include "fuseConfig.h"
#include "entCache.h"
#include "intrusivePtrBase.h"

#define LOCK boost::unique_lock<boost::mutex> _lck(lock)

class NetFS : public FuseAppBase 
{
	private:
		class ReqEnv : public NetFSComms::ReqEnv {
			public:
				ReqEnv(const NetFS *);
		};

		class OpenDir : public IntrusivePtrBase {
			public:
				OpenDir(Ice::Int remoteID, const std::string & path);

				Ice::Int remoteID;
				const std::string path;
		};
		typedef boost::intrusive_ptr<OpenDir> OpenDirPtr;
		typedef std::map<int, OpenDirPtr> OpenDirs;

		class OpenFile : public IntrusivePtrBase {
			public:
				OpenFile(Ice::Int remoteID, const std::string & path, int flags);

				Ice::Int remoteID;
				const std::string path;
				const int flags;
		};
		typedef boost::intrusive_ptr<OpenFile> OpenFilePtr;
		typedef std::map<int, OpenFilePtr> OpenFiles;

	public:
		NetFS(int & argc, char ** argv);
		~NetFS();
	private:
		void * init (struct fuse_conn_info * info);
		int opt_parse(void *, const char * arg, int key, struct fuse_args *);
		void connect();
		void connect_nl();
		// 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]);
		// 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();
		int getNextFileID();
		Ice::Int getRemoteIDforFile(int localID) const;
		int getNextDirID();
		Ice::Int getRemoteIDforDir(int localID) const;

		ReqEnv reqEnv();

		int & _argc;
		char ** _argv;
		Ice::CommunicatorPtr ic;
		FuseConfigPtr fc;
		mutable boost::mutex lock;

		NetFSComms::FileSystemPrx filesystem;
		NetFSComms::ServicePrx service;

		mutable Ice::Long authtok;

		std::string mountPoint;
		std::string exportName;
		std::string configPath;

		EntCache entries;
		OpenDirs openDirs;
		int openDirID;
		OpenFiles openFiles;
		int openFileID;
};

#endif