/usr/include/sipxtapi/cp/CSeqManager.h is in libsipxtapi-dev 3.3.0~test17-1.
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) 2004-2006 SIPfoundry Inc.
// Licensed by SIPfoundry under the LGPL license.
//
// Copyright (C) 2004-2006 Pingtel Corp. All rights reserved.
// Licensed to SIPfoundry under a Contributor Agreement.
//
// $$
///////////////////////////////////////////////////////////////////////////////
#ifndef _CSeqManager_h_
#define _CSeqManager_h_
// SYSTEM INCLUDES
// APPLICATION INCLUDES
#include "utl/UtlHashMap.h"
#include "utl/UtlRandom.h"
#include "utl/UtlString.h"
#include "os/OsMutex.h"
// DEFINES
#define CSEQ_MANAGER_STATE_CHECKS
#undef CSEQ_MANAGER_STATE_CHECKS
#define CSEQ_ID_INVITE "INVITE"
#define CSEQ_ID_INFO "INFO"
#define CSEQ_ID_NOTIFY "NOTIFY"
#define CSEQ_ID_REFER "REFER"
#define CSEQ_ID_OPTIONS "OPTIONS"
// MACROS
// EXTERNAL FUNCTIONS
// EXTERNAL VARIABLES
// CONSTANTS
// STRUCTS
// TYPEDEFS
typedef struct CSEQ_CONTEXT
{
UtlString identifier ;
bool bInTransaction ;
int iCSeq ;
} CSEQ_CONTEXT ;
// FORWARD DECLARATIONS
/**
* CSeqManager manages the CSeq number space for a dialog. It keeps track of
* multiple identifiers to handle overlapping transactions (e.g. send a NOTIFY
* while an INFO transaction is still outstanding).
*/
class CSeqManager
{
/* //////////////////////////// PUBLIC //////////////////////////////////// */
public:
/* ============================ CREATORS ================================== */
/**
* Default constructor
*/
CSeqManager();
/**
* Destructor
*/
virtual ~CSeqManager();
/* ============================ MANIPULATORS ============================== */
/**
* startTransaction notes that a transaction has been started and will
* return FALSE if any other transaction was already started. It is
* assumed that if startTransaction fails (returns false), the developer
* will try to start the transaction again later. This method will
* increase the CSeq number regardless of success.
*/
bool startTransaction(const char* szIdentifier, int& iCSeq) ;
/**
* endTransaction marks the end of a transaction.
*/
bool endTransaction(const char* szIdentifier) ;
/**
* Dump state into specified string
*/
void dumpState(UtlString& state) ;
/* ============================ ACCESSORS ================================= */
/**
* Get the current csequence number
*/
int getCSeqNumber(const char* szIdentifier) ;
/* ============================ INQUIRY =================================== */
/**
* Is the specified identifer in a transaction already?
*/
bool isInTransaction(const char* szIdentifier) ;
/* //////////////////////////// PROTECTED ///////////////////////////////// */
protected:
UtlHashMap mHashMap ;
UtlRandom mRandomGenerator ;
OsMutex mGuard ;
int miCSeq ;
/**
* Gets the context for the specified identifier. If no context is
* available, one is created.
*/
CSEQ_CONTEXT* getContext(const char* szIdentifier) ;
/* //////////////////////////// PRIVATE /////////////////////////////////// */
private:
/** Disabled copy constructor */
CSeqManager(const CSeqManager& rCSeqManager);
/** Disabled assignment operator */
CSeqManager& operator=(const CSeqManager& rhs);
};
/* ============================ INLINE METHODS ============================ */
#endif // _CSeqManager_h_
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