/* This is -*-c-*- */

/*
 * Interface to VLDB
 */

package VL_

%#include <atypes.h>
%#include <rx/rx.h>
%#include <rx/rx_null.h>

/*
 * Structures and defines for vldb data
 */

const VLDB_MAXNAMELEN=65;

const MAXNSERVERS=8;

const MAX_NUMBER_OPCODES=30;

const MAXTYPES=3;

const MAXSERVERID=30;

const HASHSIZE=8191;

const DEFAULTBULK=10000;

typedef opaque bulk<DEFAULTBULK>;

#if 0
typedef struct single_vldbentry *vldblist;
#endif

const RWVOL   = 0;
const ROVOL   = 1;
const BACKVOL = 2;

const VLSF_NEWREPSITE = 0x01;
const VLSF_ROVOL      = 0x02;
const VLSF_RWVOL      = 0x04;
const VLSF_BACKVOL    = 0x08;

const VLF_RWEXISTS    = 0x1000;
const VLF_ROEXISTS    = 0x2000;
const VLF_BOEXISTS    = 0x4000;
const VLF_BACKEXISTS  = 0x4000;

const VL_IDEXIST       = 363520;
const VL_IO            = 363521;
const VL_NAMEEXIST     = 363522;
const VL_CREATEFAIL    = 363523;
const VL_NOENT         = 363524;
const VL_EMPTY         = 363525;
const VL_ENTDELETED    = 363526;
const VL_BADNAME       = 363527;
const VL_BADINDEX      = 363528;
const VL_BADVOLTYPE    = 363529;
const VL_BADPARTITION  = 363530;
const VL_BADSERVER     = 363531;
const VL_REPSFULL      = 363532;
const VL_NOREPSERVER   = 363533;
const VL_DUPREPSERVER  = 363534;
const VL_RWNOTFOUND    = 363535;
const VL_BADREFCOUNT   = 363536;
const VL_SIZEEXCEEDED  = 363537;
const VL_BADENTRY      = 363538;
const VL_BADVOLIDBUMP  = 363539;
const VL_IDALREADHASED = 363540;
const VL_ENTRYLOCKED   = 363541;
const VL_BADVOLOPER    = 363542;
const VL_BADRELLOCKTYPE= 363543;
const VL_RERELEASE     = 363544;
const VL_BADSERVERFLAG = 363545;
const VL_PERM          = 363546;
const VL_NOMEM         = 363547;


struct vldbentry {
     char name[VLDB_MAXNAMELEN];
     long volumeType;
     long nServers;
     long serverNumber[MAXNSERVERS];
     long serverPartition[MAXNSERVERS];
     long serverFlags[MAXNSERVERS];
     u_long volumeId[MAXTYPES];
     long cloneId;
     long flags;
};

struct vital_vlheader {
     long vldbversion;
     long headersize;
     long feePtr;
     long eofPtr;
     long allocs;
     long frees;
     long MaxVolumeId;
     long totalEntries[MAXTYPES];
};

struct VldbUpdateEntry {
     u_long Mask;
     char name[VLDB_MAXNAMELEN];
     long volumeType;
     long flags;
     u_long ReadOnlyId;
     u_long BackupId;
     long cloneid;
     long nModifiedRepsites;
     u_long RepsitesMask[MAXNSERVERS];
     long RepsitesTargetServer[MAXNSERVERS];
     long RepsitesTargetPart[MAXNSERVERS];
     long RepsitesNewServer[MAXNSERVERS];
     long RepsitesNewPart[MAXNSERVERS];
     long RepsitesNewFlags[MAXNSERVERS];
};

struct VldbListByAttributes {
     u_long Mask;
     long server;
     long partition;
     long volumetype;
     long volumeid;
     long flag;
};

#if 0
struct single_vldbentry {
     vldbentry VldbEntry;
     vldblist next_vldb;
};

struct vldb_list {
     vldblist node;
};
#endif

struct vldstats {
     unsigned long start_time;
     long requests[MAX_NUMBER_OPCODES];
     long aborts[MAX_NUMBER_OPCODES];
     long reserved[5];
};

typedef vldbentry bulkentries<>;

/*
 * Interface
 */

CreateEntry (IN vldbentry *newentry) = 501;

DeleteEntry (IN long Volid,
	     IN long voltype) = 502;

GetEntryByID (IN long Volid,
	      IN long voltype,
	      OUT vldbentry *entry) = 503;

GetEntryByName (IN string volumename<VLDB_MAXNAMELEN>,
		OUT vldbentry *entry) = 504;

GetNewVolumeId (IN long bumpcount,
		OUT long *newvolumid) = 505;

ReplaceEntry (IN long Volid,
	      IN long voltype,
	      IN vldbentry *newentry,
	      IN long ReleaseType) = 506;

UpdateEntry (IN long Volid,
	     IN long voltype,
	     IN VldbUpdateEntry *UpdateEntry,
	     IN long ReleaseType) = 507;

SetLock (IN long Volid,
	 IN long voltype,
	 IN long voloper) = 508;

ReleaseLock (IN long volid,
	     IN long voltype,
	     IN long ReleaseType) = 509;

ListEntry (IN long previous_index,
	   OUT long *count,
	   OUT long *next_index,
	   OUT vldbentry *entry) = 510;

ListAttributes (IN VldbListByAttributes *attributes,
		OUT long *nentries,
		OUT bulkentries *blkentries) = 511;

#if 0
LinkedList (IN VldbListByAttributes *attributes,
	    OUT long *nentries,
	    OUT vldb_list *linkedentries) = 512;
#endif

GetStats (OUT vldstats *stats,
	  OUT vital_vlheader *vital_header) = 513;

Probe () = 514;