/usr/include/classad/collection.h is in libclassad-dev 8.2.3~dfsg.1-6.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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*
* Copyright (C) 1990-2007, Condor Team, Computer Sciences Department,
* University of Wisconsin-Madison, WI.
*
* 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 __CLASSAD_COLLECTION_H__
#define __CLASSAD_COLLECTION_H__
#include "classad/view.h"
#include "classad/source.h"
#include "classad/sink.h"
namespace classad {
class ClassAdCollectionInterface {
public:
ClassAdCollectionInterface( );
virtual ~ClassAdCollectionInterface( );
enum {
ClassAdCollOp_NoOp = 10000,
__ClassAdCollOp_ViewOps_Begin__,
ClassAdCollOp_CreateSubView = __ClassAdCollOp_ViewOps_Begin__,
ClassAdCollOp_CreatePartition ,
ClassAdCollOp_DeleteView ,
ClassAdCollOp_SetViewInfo ,
ClassAdCollOp_AckViewOp ,
__ClassAdCollOp_ViewOps_End__ = ClassAdCollOp_AckViewOp,
__ClassAdCollOp_ClassAdOps_Begin__,
ClassAdCollOp_AddClassAd =__ClassAdCollOp_ClassAdOps_Begin__,
ClassAdCollOp_UpdateClassAd ,
ClassAdCollOp_ModifyClassAd ,
ClassAdCollOp_RemoveClassAd ,
ClassAdCollOp_AckClassAdOp ,
__ClassAdCollOp_ClassAdOps_End__ = ClassAdCollOp_AckClassAdOp,
__ClassAdCollOp_XactionOps_Begin__,
ClassAdCollOp_OpenTransaction =__ClassAdCollOp_XactionOps_Begin__,
ClassAdCollOp_AckOpenTransaction ,
ClassAdCollOp_CommitTransaction ,
ClassAdCollOp_AbortTransaction ,
ClassAdCollOp_AckCommitTransaction ,
ClassAdCollOp_ForgetTransaction ,
__ClassAdCollOp_XactionOps_End__ = ClassAdCollOp_ForgetTransaction,
__ClassAdCollOp_ReadOps_Begin__ ,
ClassAdCollOp_GetClassAd = __ClassAdCollOp_ReadOps_Begin__,
ClassAdCollOp_GetViewInfo ,
ClassAdCollOp_GetSubordinateViewNames,
ClassAdCollOp_GetPartitionedViewNames,
ClassAdCollOp_FindPartitionName ,
ClassAdCollOp_IsActiveTransaction ,
ClassAdCollOp_IsCommittedTransaction,
ClassAdCollOp_GetAllActiveTransactions,
ClassAdCollOp_GetAllCommittedTransactions,
ClassAdCollOp_GetServerTransactionState,
ClassAdCollOp_AckReadOp ,
__ClassAdCollOp_ReadOps_End__ = ClassAdCollOp_AckReadOp,
__ClassAdCollOp_MiscOps_Begin__ ,
ClassAdCollOp_Connect = __ClassAdCollOp_MiscOps_Begin__,
ClassAdCollOp_QueryView ,
ClassAdCollOp_Disconnect ,
__ClassAdCollOp_MiscOps_End__ = ClassAdCollOp_Disconnect,
ClassAdCollOp_CheckPoint
};
static const char * const CollOpStrings[];
enum AckMode { _DEFAULT_ACK_MODE, WANT_ACKS, DONT_WANT_ACKS };
// outcome from a commit
enum { XACTION_ABORTED, XACTION_COMMITTED, XACTION_UNKNOWN };
// Logfile control
virtual bool InitializeFromLog( const std::string &filename,
const std::string storagefile="",
const std::string checkpointfile="" ) = 0;
virtual bool TruncateLog(void);
// View creation/deletion/interrogation
virtual bool CreateSubView( const ViewName &viewName,
const ViewName &parentViewName,
const std::string &constraint, const std::string &rank,
const std::string &partitionExprs ) = 0;
virtual bool CreatePartition( const ViewName &viewName,
const ViewName &parentViewName,
const std::string &constraint, const std::string &rank,
const std::string &partitionExprs, ClassAd *rep ) = 0;
virtual bool DeleteView( const ViewName &viewName ) = 0;
virtual bool SetViewInfo( const ViewName &viewName,
const std::string &constraint, const std::string &rank,
const std::string &partitionAttrs ) = 0;
virtual bool GetViewInfo( const ViewName &viewName, ClassAd *&viewInfo )=0;
// Child view interrogation
virtual bool GetSubordinateViewNames( const ViewName &viewName,
std::vector<std::string>& views ) = 0;
virtual bool GetPartitionedViewNames( const ViewName &viewName,
std::vector<std::string>& views ) = 0;
virtual bool FindPartitionName( const ViewName &viewName, ClassAd *rep,
ViewName &partition ) = 0;
// ClassAd manipulation
virtual bool AddClassAd( const std::string &key, ClassAd *newAd ) = 0;
virtual bool UpdateClassAd( const std::string &key, ClassAd *updateAd ) = 0;
virtual bool ModifyClassAd( const std::string &key, ClassAd *modifyAd ) = 0;
virtual bool RemoveClassAd( const std::string &key ) = 0;
virtual ClassAd *GetClassAd(const std::string &key ) = 0;
// Mode management
bool SetAcknowledgementMode( AckMode );
AckMode GetAcknowledgementMode( ) const { return( amode ); }
// Transaction management
virtual bool OpenTransaction( const std::string &xactionName) = 0;
bool SetCurrentTransaction( const std::string &xactionName );
void GetCurrentTransaction( std::string &xactionName ) const;
virtual bool CloseTransaction( const std::string &xactionName, bool commit,
int &outcome )=0;
virtual bool IsMyActiveTransaction( const std::string &xactionName ) = 0;
virtual void GetMyActiveTransactions( std::vector<std::string>& ) = 0;
virtual bool IsActiveTransaction( const std::string &xactionName ) = 0;
virtual bool GetAllActiveTransactions( std::vector<std::string>& ) = 0;
virtual bool IsCommittedTransaction( const std::string &xactionName ) = 0;
virtual bool GetAllCommittedTransactions( std::vector<std::string>& ) = 0;
// misc
static inline const char *GetOpString( int op ) {
return( op>=ClassAdCollOp_NoOp && op<=__ClassAdCollOp_MiscOps_End__ ?
CollOpStrings[op-ClassAdCollOp_NoOp] : "(unknown)" );
}
protected:
// Utility functions to make collection log records
ClassAd *_CreateSubView( const ViewName &viewName,
const ViewName &parentViewName,
const std::string &constraint, const std::string &rank,
const std::string &partitionExprs );
ClassAd *_CreatePartition( const ViewName &viewName,
const ViewName &parentViewName,
const std::string &constraint, const std::string &rank,
const std::string &partitionExprs, ClassAd *rep );
ClassAd *_DeleteView( const ViewName &viewName );
ClassAd *_SetViewInfo( const ViewName &viewName,
const std::string &constraint, const std::string &rank,
const std::string &partitionAttrs );
ClassAd *_AddClassAd( const std::string &xactionName,
const std::string &key, ClassAd *newAd );
ClassAd *_UpdateClassAd( const std::string &xactionName,
const std::string &key, ClassAd *updateAd );
ClassAd *_ModifyClassAd( const std::string &xactionName,
const std::string &key, ClassAd *modifyAd );
ClassAd *_RemoveClassAd( const std::string &xactionName,
const std::string &key );
// mode management data
AckMode amode;
std::string currentXactionName;
// function which executes log records in recovery mode
virtual bool OperateInRecoveryMode( ClassAd* ) = 0;
// utility functions to operate on logs and log metadata
ClassAd *ReadLogEntry( FILE * );
bool WriteLogEntry( FILE *, ClassAd *, bool sync=true );
bool ReadLogFile( );
std::string logFileName;
ClassAdParser parser;
ClassAdUnParser unparser;
FILE *log_fp;
std::string StorageFileName;
int sfiled;
// override for client and server
virtual bool LogState( FILE * ) = 0;
private:
ClassAdCollectionInterface(const ClassAdCollectionInterface &) { return; }
ClassAdCollectionInterface &operator=(const ClassAdCollectionInterface &) { return *this; }
};
}
#endif
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