C++ SafeBuf::pushLong方法代码示例

bool loadUrls ( ) {
	static bool s_loaded = false;
	if ( s_loaded ) return true;
	s_loaded = true;
	// use injectme3 file
	s_ubuf1.load("./injectme3");
	// scan for +++URL: xxxxx
	char *s = s_ubuf1.getBufStart();
	for ( ; *s ; s++ ) {
		if ( strncmp(s,"+++URL: ",8) ) continue;
		// got one
		// \0 term it for s_contentPtrs below
		*s = '\0';
		// find end of it
		s += 8;
		char *e = s;
		for ( ; *e && ! is_wspace_a(*e); e++ );
		// null term it
		if ( *e ) *e = '\0';
		// store ptr
		s_ubuf2.pushLong((long)s);
		// skip past that
		s = e;
		// point to content
		s_cbuf2.pushLong((long)(s+1));
	}
	// make array of url ptrs
	s_urlPtrs = (char **)s_ubuf2.getBufStart();
	s_contentPtrs= (char **)s_cbuf2.getBufStart();
	return true;
}

//.........这里部分代码省略.........
        // cast these for printing out
        long long *docIds    = (long long *)mr->ptr_docIds;
        score_t   *scores    = (score_t   *)mr->ptr_scores;
        // print out every docid in this split reply
        for ( long j = 0; j < mr->m_numDocIds ; j++ ) {
            // print out score_t
            logf( LOG_DEBUG,
                  "query: msg3a: [%lu] %03li) "
                  "split=%li docId=%012llu domHash=0x%02lx "
                  "score=%lu"                     ,
                  (unsigned long)this                      ,
                  j                                        ,
                  i                                        ,
                  docIds [j] ,
                  (long)g_titledb.getDomHash8FromDocId(docIds[j]),
                  (long)scores[j] );
        }
    }

    // this seems to always return true!
    mergeLists ( );

    if ( ! m_r->m_useSeoResultsCache ) return true;

    // now cache the reply
    SafeBuf cr;
    long dataSize = 4 + 4 + 4 + m_numDocIds * (8+4+4);
    long need = sizeof(key_t) + 4 + dataSize;
    bool status = cr.reserve ( need );
    // sanity
    if ( ( m_ckey.n0 & 0x01 ) == 0x00 ) {
        char *xx=NULL;
        *xx=0;
    }
    // ignore errors
    g_errno = 0;
    // return on error with g_errno cleared if cache add failed
    if ( ! status ) return true;
    // add to buf otherwise
    cr.safeMemcpy ( &m_ckey , sizeof(key_t) );
    cr.safeMemcpy ( &dataSize , 4 );
    long now = getTimeGlobal();
    cr.pushLong ( now );
    cr.pushLong ( m_numDocIds );
    cr.pushLong ( m_numTotalEstimatedHits );//Results );
    long max = m_numDocIds;
    // then the docids
    for ( long i = 0 ; i < max ; i++ )
        cr.pushLongLong(m_docIds[i] );
    for ( long i = 0 ; i < max ; i++ )
        cr.pushFloat(m_scores[i]);
    for ( long i = 0 ; i < max ; i++ )
        cr.pushLong(getSiteHash26(i));
    // sanity
    if ( cr.length() != need ) {
        char *xx=NULL;
        *xx=0;
    }
    // make these
    key_t startKey;
    key_t endKey;
    startKey = m_ckey;
    // clear delbit
    startKey.n0 &= 0xfffffffffffffffeLL;
    // end key is us
    endKey = m_ckey;
    // that is the single record
    m_seoCacheList.set ( cr.getBufStart() ,
                         cr.length(),
                         cr.getBufStart(), // alloc
                         cr.getCapacity(), // alloc size
                         (char *)&startKey,
                         (char *)&endKey,
                         -1, // fixeddatasize
                         true, // owndata?
                         false,// use half keys?
                         sizeof(key_t) );
    // do not allow cr to free it, msg1 will
    cr.detachBuf();
    // note it
    //log("seopipe: storing ckey=%s q=%s"
    //    ,KEYSTR(&m_ckey,12)
    //    ,m_r->ptr_query
    //    );
    //log("msg1: sending niceness=%li",(long)m_r->m_niceness);
    // this will often block, but who cares!? it just sends a request off
    if ( ! m_msg1.addList ( &m_seoCacheList ,
                            RDB_SERPDB,//RDB_CACHEDB,
                            m_r->ptr_coll,
                            this, // state
                            gotSerpdbReplyWrapper, // callback
                            false, // forcelocal?
                            m_r->m_niceness ) ) {
        //log("blocked");
        return false;
    }

    // we can safely delete m_msg17... just return true
    return true;
}

//.........这里部分代码省略.........
	need += 4; // collnum, first 4 bytes
	if ( dataSize < 0 || dataSize > 500000000 ) {
		log("main: could not scan in titledb rec of "
		    "corrupt dataSize of %li. BAILING ENTIRE "
		    "SCAN of file %s",dataSize,m_bf.getFilename());
		goto nextFile;
	}

	//gr = &msg7->m_gr;

	//XmlDoc *xd = getAvailXmlDoc();
	//msg7 = getAvailMsg7();
	mcast = getAvailMulticast();

	// if none, must have to wait for some to come back to us
	if ( ! mcast ) {
		// restore file offset
		//m_fileOffset = saved;
		// no, must have been a oom or something
		log("import: import no mcast available");
		return true;//false;
	}
	
	// this is for holding a compressed titlerec
	//sbuf = &mcast->m_sbuf;//&gr->m_sbuf;

	// point to start of buf
	sbuf->reset();

	// ensure we have enough room
	sbuf->reserve ( need );

	// collnum first 4 bytes
	sbuf->pushLong( (long)m_collnum );

	// store title key
	sbuf->safeMemcpy ( &tkey , sizeof(key_t) );

	// then datasize if any. neg rec will have -1 datasize
	if ( dataSize >= 0 ) 
		sbuf->pushLong ( dataSize );

	// then read data rec itself into it, compressed titlerec part
	if ( dataSize > 0 ) {
		// read in the titlerec after the key/datasize
		status = m_bf.read ( sbuf->getBuf() ,
				     dataSize ,
				     m_fileOffset );
		if ( g_errno ) { // n != dataSize ) {
			log("main: failed to read in title rec "
			    "file. %s. Skipping file %s",
			    mstrerror(g_errno),m_bf.getFilename());
			// essentially free up this msg7 now
			//msg7->m_inUse = false;
			//msg7->reset();
			goto nextFile;
		}
		// advance
		m_fileOffset += dataSize;
		// it's good, count it
		sbuf->m_length += dataSize;
	}

	// set xmldoc from the title rec
	//xd->set ( sbuf.getBufStart() );
	//xd->m_masterState = NULL;