X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=isamc%2Fisamh.c;h=0f2dbeb9192ea14fdfcd0595a83a1a3cb2fc8600;hb=cb4bd60bc882597a3232f8098bd755385bfca9f2;hp=c6c35de44661ac180ab2aeacc640cbfb097aa07f;hpb=f7afb145661ac2f567c60f203bf0dbe32309402f;p=idzebra-moved-to-github.git diff --git a/isamc/isamh.c b/isamc/isamh.c index c6c35de..0f2dbeb 100644 --- a/isamc/isamh.c +++ b/isamc/isamh.c @@ -6,7 +6,6 @@ * Isamh - append-only isam * * todo - * (get invstat to work) * implement dirty bit * implement direct address bit * (result set stuff) @@ -24,29 +23,38 @@ #include #include "isamh-p.h" +#include "../index/index.h" /* for dump */ + static void flush_block (ISAMH is, int cat); static void release_fc (ISAMH is, int cat); static void init_fc (ISAMH is, int cat); #define ISAMH_FREELIST_CHUNK 1 -#define SMALL_TEST 0 +#define SMALL_TEST 1 ISAMH_M isamh_getmethod (void) { static struct ISAMH_filecat_s def_cat[] = { #if SMALL_TEST /* blocksz, max keys before switching size */ - { 32, 40 }, - { 64, 0 }, + /* { 32, 40 }, */ + { 128, 0 }, #else { 24, 40 }, + { 2048, 2048 }, + { 16384, 0 }, + +#endif +#ifdef OLDVALUES + { 24, 40 }, { 128, 256 }, { 512, 1024 }, { 2048, 4096 }, { 8192,16384 }, { 32768, 0 }, -#endif + +#endif /* assume about 2 bytes per pointer, when compressed. The head uses */ /* 16 bytes, and other blocks use 8 for header info... If you want 3 */ /* blocks of 32 bytes, say max 16+24+24 = 64 keys */ @@ -622,11 +630,77 @@ int isamh_pp_num (ISAMH_PP pp) return pp->numKeys; } +static char *hexdump(unsigned char *p, int len, char *buff) { + static char localbuff[128]; + char bytebuff[8]; + if (!buff) buff=localbuff; + *buff='\0'; + while (len--) { + sprintf(bytebuff,"%02x",*p); + p++; + strcat(buff,bytebuff); + if (len) strcat(buff," "); + } + return buff; +} + +void isamh_pp_dump (ISAMH is, ISAMH_P ipos) +{ + ISAMH_PP pp; + ISAMH_P oldaddr=0; + struct it_key key; + int i,n; + int occur =0; + int oldoffs; + char hexbuff[64]; + + logf(LOG_LOG,"dumping isamh block %d (%d:%d)", + (int)ipos, isamh_type(ipos), isamh_block(ipos) ); + pp=isamh_pp_open(is,ipos); + logf(LOG_LOG,"numKeys=%d, last=%d (%d:%d) ofs=%d ", + pp->numKeys, + pp->lastblock, + isamh_type(pp->lastblock), isamh_block(pp->lastblock), + pp->offset); + oldoffs= pp->offset; + while(isamh_pp_read(pp, &key)) + { + if (oldaddr != isamh_addr(pp->pos,pp->cat) ) + { + oldaddr = isamh_addr(pp->pos,pp->cat); + logf(LOG_LOG,"block %d (%d:%d) sz=%d nx=%d (%d:%d) ofs=%d", + isamh_addr(pp->pos,pp->cat), + pp->cat, pp->pos, pp->size, + pp->next, isamh_type(pp->next), isamh_block(pp->next), + pp->offset); + i=0; + while (isize) { + n=pp->size-i; + if (n>8) n=8; + logf(LOG_LOG," %05x: %s",i,hexdump(pp->buf+i,n,hexbuff)); + i+=n; + } + if (oldoffs > ISAMH_BLOCK_OFFSET_N) + oldoffs=ISAMH_BLOCK_OFFSET_N; + } /* new block */ + occur++; + logf (LOG_LOG," got %d:%d=%x:%x from %s at %d=%x", + key.sysno, key.seqno, + key.sysno, key.seqno, + hexdump(pp->buf+oldoffs, pp->offset-oldoffs, hexbuff), + oldoffs, oldoffs); + oldoffs = pp->offset; + } + isamh_pp_close(pp); +} /* dump */ /* * $Log: isamh.c,v $ - * Revision 1.5 1999-07-08 14:23:27 heikki + * Revision 1.6 1999-07-13 15:24:50 heikki + * Removed the one-block append, it had a serious flaw. + * + * Revision 1.5 1999/07/08 14:23:27 heikki * Fixed a bug in isamh_pp_read and cleaned up a bit * * Revision 1.4 1999/07/07 09:36:04 heikki