af152bd08e
Buffer Mananger no longer steals pages pre-maturely Alloc is an operation, and correct. Caching broken out into a new module Wrote a utility to translate a log file into human-readable ascii.
79 lines
1.8 KiB
C
79 lines
1.8 KiB
C
#define _GNU_SOURCE
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#include <stdio.h>
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#include <stdlib.h>
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#include <lladd/logger/logHandle.h>
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#include <lladd/logger/logWriter.h>
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static char * logEntryToString(LogEntry * le) {
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char * ret = NULL;
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switch(le->type) {
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case UPDATELOG:
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{
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recordid rid = le->contents.clr.rid;
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asprintf(&ret, "UPDATE\tlsn=%9ld\tprevlsn=%9ld\txid=%4d\trid={%5d %5d %5d}\tfuncId=%3d\targSize=%9d\n", le->LSN, le->prevLSN, le->xid,
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rid.page, rid.slot, rid.size, le->contents.update.funcID, le->contents.update.argSize );
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}
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break;
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case XBEGIN:
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{
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asprintf(&ret, "BEGIN\tlsn=%9ld\tprevlsn=%9ld\txid=%4d\n", le->LSN, le->prevLSN, le->xid);
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}
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break;
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case XCOMMIT:
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{
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asprintf(&ret, "COMMIT\tlsn=%9ld\tprevlsn=%9ld\txid=%4d\n", le->LSN, le->prevLSN, le->xid);
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}
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break;
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case XABORT:
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{
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asprintf(&ret, "ABORT\tlsn=%9ld\tprevlsn=%9ld\txid=%4d\n", le->LSN, le->prevLSN, le->xid);
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}
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break;
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case XEND:
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{
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asprintf(&ret, "END \tlsn=%9ld\tprevlsn=%9ld\txid=%4d\n", le->LSN, le->prevLSN, le->xid);
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}
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break;
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case CLRLOG:
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{
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recordid rid = le->contents.clr.rid;
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asprintf(&ret, "CLR \tlsn=%9ld\tprevlsn=%9ld\txid=%4d\trid={%5d %5d %5d}\tthisUpdateLSN=%9ld\tundoNextLSN=%9ld\n", le->LSN, le->prevLSN, le->xid,
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rid.page, rid.slot, rid.size, (long int)le->contents.clr.thisUpdateLSN, (long int)le->contents.clr.undoNextLSN );
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}
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break;
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}
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return ret;
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}
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void setupOperationsTable();
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int main() {
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LogHandle lh;
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LogEntry * le;
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setupOperationsTable();
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if(openLogWriter()) {
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printf("Couldn't open log.\n");
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}
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lh = getLSNHandle(44);
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while((le = nextInLog(&lh))) {
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char * s = logEntryToString(le);
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if(s) {
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printf("%s", s);
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free(s);
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}
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}
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}
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