mirror of
https://github.com/gigablast/open-source-search-engine.git
synced 2024-10-04 20:27:43 +03:00
88 lines
2.2 KiB
C++
88 lines
2.2 KiB
C++
// Matt Wells, copyright Jul 2001
|
|
|
|
// . get the number of records (termId/docId/score tuple) in an IndexList(s)
|
|
// for a given termId(s)
|
|
// . if it's truncated then interpolate based on score
|
|
// . TODO: use g_conf.m_truncationLimit
|
|
// . used for query routing
|
|
// . used for query term weighting (IDF)
|
|
// . used to set m_termFreq for each termId in query in the Query class
|
|
|
|
#ifndef _MSG36_H_
|
|
#define _MSG36_H_
|
|
|
|
#include "UdpServer.h" // for sending/handling requests
|
|
#include "Multicast.h" // for sending requests
|
|
#include "Indexdb.h"
|
|
#include "Msg3.h" // MAX_RDB_FILES definition
|
|
#include "RdbCache.h"
|
|
|
|
class Msg36 {
|
|
|
|
public:
|
|
|
|
// register our 0x36 handler function
|
|
bool registerHandler ( );
|
|
|
|
// . returns false if blocked, true otherwise
|
|
// . sets errno on error
|
|
// . "termFreq" should NOT be on the stack in case we block
|
|
// . sets *termFreq to UPPER BOUND on # of records with that "termId"
|
|
bool getTermFreq ( collnum_t collnum,//char *coll ,
|
|
long maxAge ,
|
|
long long termId ,
|
|
void *state ,
|
|
void (* callback)(void *state ) ,
|
|
long niceness = MAX_NICENESS ,
|
|
bool exactCount = false ,
|
|
bool incCount = false ,
|
|
bool decCount = false ,
|
|
bool isSplit = true);
|
|
|
|
long long getTermFreq () { return m_termFreq; };
|
|
|
|
// public so C wrapper can call
|
|
void gotReply ( ) ;
|
|
|
|
// we store the recvd termFreq in what this points to
|
|
long long m_termFreq ;
|
|
|
|
// info stored in us by Msg37.cpp
|
|
void *m_this;
|
|
long m_i;
|
|
long m_j;
|
|
|
|
// callback information
|
|
void *m_state ;
|
|
void (* m_callback)(void *state );
|
|
|
|
// request buffer is just 8 bytes
|
|
char m_request[1+8+MAX_COLL_LEN+1];
|
|
|
|
// hold the reply now too
|
|
//#ifdef SPLIT_INDEXDB
|
|
// char m_reply[8*INDEXDB_SPLIT];
|
|
//#else
|
|
// char m_reply[8];
|
|
//#endif
|
|
char m_reply[8*MAX_SHARDS];
|
|
|
|
// for sending the request
|
|
//#ifdef SPLIT_INDEXDB
|
|
//Multicast m_mcast[INDEXDB_SPLIT];
|
|
Multicast m_mcast[1];//MAX_SHARDS];
|
|
long m_numRequests;
|
|
long m_numReplies;
|
|
long m_errno;
|
|
bool m_isSplit;
|
|
//#else
|
|
// Multicast m_mcast;
|
|
//#endif
|
|
|
|
long m_niceness;
|
|
};
|
|
|
|
//extern class RdbCache g_qtable;
|
|
|
|
#endif
|