virtual void invoke(logrec_t& r)
{
// Dump stats on each tick log record
if (r.type() == logrec_t::t_tick_sec || r.type() == logrec_t::t_tick_msec) {
dumpStats(r.lsn());
return;
}
// Code copied from chkpt_t::scan_log
if (r.is_redo()) {
// Ignore metadata pages
if (r.pid() % alloc_cache_t::extent_size == 0 ||
r.pid() == stnode_page::stpid)
{
return;
}
lsn_t lsn = r.lsn();
w_assert0(r.is_redo());
chkpt.mark_page_dirty(r.pid(), lsn, lsn);
if (r.is_multi_page()) {
w_assert0(r.pid2() != 0);
chkpt.mark_page_dirty(r.pid2(), lsn, lsn);
}
updates++;
}
else if (r.type() == logrec_t::t_page_write) {
char* pos = r.data();
PageID pid = *((PageID*) pos);
pos += sizeof(PageID);
lsn_t clean_lsn = *((lsn_t*) pos);
pos += sizeof(lsn_t);
uint32_t count = *((uint32_t*) pos);
PageID end = pid + count;
while (pid < end) {
chkpt.mark_page_clean(pid, clean_lsn);
pid++;
}
page_writes += count;
}
else if (r.type() == logrec_t::t_xct_end) {
commits++;
}
}
void VerifyHandler::invoke(logrec_t& r)
{
w_assert0(r.valid_header());
lsn_t lsn = r.lsn();
PageID pid = r.pid();
if (r.is_redo()) {
checkRedo(r, pid, lsn, r.page_prev_lsn());
if (r.is_multi_page()) {
checkRedo(r, r.pid2(), lsn, r.page2_prev_lsn());
}
if (alloc_cache_t::is_alloc_pid(pid)) {
// checkAlloc(r);
}
}
if (merge) {
w_assert0(pid >= lastPID);
if (pid == lastPID) {
w_assert0(lsn > lastLSN);
}
w_assert0(merge || lsn >= minLSN);
w_assert0(merge || lsn <= maxLSN);
}
lastLSN = lsn;
lastPID = pid;
count++;
}