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// $OpenLDAP$
/*
* Copyright 2000-2021 The OpenLDAP Foundation, All Rights Reserved.
* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
*/
#ifndef LDAP_MESSAGE_QUEUE_H
#define LDAP_MESSAGE_QUEUE_H
#include <stack>
#include <LDAPUrlList.h>
#include <LDAPMessage.h>
class LDAPAsynConnection;
class LDAPRequest;
class LDAPSearchRequest;
class LDAPUrl;
typedef std::stack<LDAPRequest*> LDAPRequestStack;
typedef std::list<LDAPRequest*> LDAPRequestList;
/**
* This class is created for the asynchronous LDAP-operations. And can be
* used by the client to retrieve the results of an operation.
*/
class LDAPMessageQueue{
public :
/**
* This creates a new LDAPMessageQueue. For a LDAP-request
*
* @param conn The Request for that is queue can be used to get
* the results.
*/
LDAPMessageQueue(LDAPRequest *conn);
/**
* Destructor
*/
~LDAPMessageQueue();
/**
* This method reads exactly one Message from the results of a
* Request.
* @throws LDAPException
* @return A pointer to an object of one of the classes that were
* derived from LDAPMsg. The user has to cast it to the
* correct type (e.g. LDAPResult or LDAPSearchResult)
*/
LDAPMsg* getNext();
/**
* For internat use only.
*
* The method is used to start the automatic referral chasing
*/
LDAPRequest* chaseReferral(LDAPMsg* ref);
/**
* For internal use only
*
* The referral chasing algorithm needs this method to see the
* currently active requests.
*/
LDAPRequestStack* getRequestStack();
private :
LDAPRequestStack m_activeReq;
LDAPRequestList m_issuedReq;
};
#endif //ifndef LDAP_MESSAGE_QUEUE_H
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