mirror of
https://github.com/gigablast/open-source-search-engine.git
synced 2024-10-04 04:07:13 +03:00
58 lines
1.4 KiB
C++
58 lines
1.4 KiB
C++
// Matt Wells, copyright Jul 2001
|
|
|
|
// . A stripped down version of Msg36 that works on LINKDB instead of INDEXDB
|
|
// . Does not have cache, does not do exact count and does not do increment or
|
|
// decrement count.
|
|
|
|
#ifndef _MSG42_H_
|
|
#define _MSG42_H_
|
|
|
|
#include "UdpServer.h" // for sending/handling requests
|
|
#include "Multicast.h" // for sending requests
|
|
#include "Linkdb.h"
|
|
#include "Msg3.h" // MAX_RDB_FILES definition
|
|
#include "RdbCache.h"
|
|
|
|
class Msg42 {
|
|
|
|
public:
|
|
|
|
// register our 0x42 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 ( char *coll ,
|
|
int32_t maxAge ,
|
|
int64_t termId ,
|
|
void *state ,
|
|
void (* callback)(void *state ) ,
|
|
int32_t niceness = MAX_NICENESS );
|
|
|
|
int64_t getTermFreq () { return m_termFreq; };
|
|
|
|
// public so C wrapper can call
|
|
void gotReply ( ) ;
|
|
|
|
// we store the recvd termFreq in what this points to
|
|
int64_t m_termFreq ;
|
|
|
|
// callback information
|
|
void *m_state ;
|
|
void (* m_callback)(void *state );
|
|
|
|
// request buffer is just 8 bytes
|
|
char m_request[8+MAX_COLL_LEN+1];
|
|
|
|
// hold the reply now too
|
|
char m_reply[8];
|
|
|
|
// for sending the request
|
|
Multicast m_mcast;
|
|
int32_t m_errno;
|
|
};
|
|
|
|
#endif
|