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99 lines
2.4 KiB
C++
99 lines
2.4 KiB
C++
// Matt Wells, copyright Jul 2001
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// . get a TitleRec from url/coll or docId
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#ifndef _MSG22_H_
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#define _MSG22_H_
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#include "Url.h"
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#include "Multicast.h"
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// m_url[0]!=0 if this is a url-based request and NOT docid-based
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class Msg22Request {
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public:
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int64_t m_docId;
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int32_t m_niceness;
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int32_t m_maxCacheAge;
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collnum_t m_collnum;
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char m_justCheckTfndb :1;
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char m_getAvailDocIdOnly:1;
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char m_doLoadBalancing :1;
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char m_addToCache :1;
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char m_inUse :1;
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char m_url[MAX_URL_LEN+1];
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int32_t getSize () {
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return (m_url - (char *)&m_docId) + 1+gbstrlen(m_url); };
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int32_t getMinSize() {
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return (m_url - (char *)&m_docId) + 1; };
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Msg22Request() { m_inUse = 0; }
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};
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class Msg22 {
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public:
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Msg22();
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~Msg22();
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static bool registerHandler ( ) ;
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bool getAvailDocIdOnly ( class Msg22Request *r ,
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int64_t preferredDocId ,
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char *coll ,
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void *state ,
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void (* callback)(void *state) ,
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int32_t niceness ) ;
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// . make sure you keep url/coll on your stack cuz we just point to it
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// . see the other getTitleRec() description below for more details
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// . use a maxCacheAge of 0 to avoid the cache
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bool getTitleRec ( class Msg22Request *r ,
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char *url ,
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int64_t docId ,
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char *coll ,
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char **titleRecPtrPtr ,
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int32_t *titleRecSizePtr ,
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bool justCheckTfndb ,
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bool getAvailDocIdOnly ,
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void *state ,
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void (* callback) (void *state ),
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int32_t niceness ,
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bool addToCache ,
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int32_t maxCacheAge ,
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int32_t timeout ,
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bool doLoadBalancing = false );
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int64_t getAvailDocId ( ) { return m_availDocId; };
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// public so C wrappers can call
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void gotReply ( ) ;
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// this is a hack so Msg38 can store his this ptr here
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//void *m_parent; // used by Msg38
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//int32_t m_slot; // for resending on same Msg22 slot in array
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//void *m_dataPtr;// for holding recepient record ptr of TopNode ptr
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char **m_titleRecPtrPtr;
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int32_t *m_titleRecSizePtr;
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void (* m_callback ) (void *state);
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void *m_state ;
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//void *m_state2 ;
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//void *m_state3 ;
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bool m_found;
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int64_t m_availDocId;
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// the error getting the title rec is stored here
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int32_t m_errno;
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bool m_outstanding ;
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// for sending the Msg22
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Multicast m_mcast;
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class Msg22Request *m_r;
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};
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#endif
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