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tools: fix 'tail' show in mdbx_chk.

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This commit is contained in:
Leo Yuriev 2017-05-26 12:00:05 +03:00
parent 5d836d2b03
commit d642127d10
1 changed files with 23 additions and 17 deletions
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40
src/tools/mdbx_chk.c
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@ -638,42 +638,48 @@ static __inline int meta_recent(const bool roolback2steady) {
: 0;
}
static __inline int meta_ancient(const bool roolback2steady) {
static __inline int meta_tail(int head) {
if (meta_ot(envinfo.me_meta0_txnid, envinfo.me_meta0_sign,
envinfo.me_meta1_txnid, envinfo.me_meta1_sign, roolback2steady))
if (head == 0)
return meta_ot(envinfo.me_meta1_txnid, envinfo.me_meta1_sign,
envinfo.me_meta2_txnid, envinfo.me_meta2_sign, true)
? 1
: 2;
if (head == 1)
return meta_ot(envinfo.me_meta0_txnid, envinfo.me_meta0_sign,
envinfo.me_meta2_txnid, envinfo.me_meta2_sign,
roolback2steady)
envinfo.me_meta2_txnid, envinfo.me_meta2_sign, true)
? 0
: 2;
return meta_ot(envinfo.me_meta2_txnid, envinfo.me_meta2_sign,
envinfo.me_meta1_txnid, envinfo.me_meta1_sign, roolback2steady)
? 2
: 1;
if (head == 2)
return meta_ot(envinfo.me_meta0_txnid, envinfo.me_meta0_sign,
envinfo.me_meta1_txnid, envinfo.me_meta1_sign, true)
? 0
: 1;
assert(false);
return -1;
}
static int meta_steady_head(void) { return meta_recent(true); }
static int meta_steady(void) { return meta_recent(true); }
static int meta_weak_head(void) { return meta_recent(false); }
static int meta_tail(void) { return meta_ancient(true); }
static int meta_head(void) { return meta_recent(false); }
void verbose_meta(int num, txnid_t txnid, uint64_t sign) {
print(" - meta-%d: %s %" PRIu64, num, meta_synctype(sign), txnid);
bool stay = true;
if (num == meta_steady_head() && num == meta_weak_head()) {
const int steady = meta_steady();
const int head = meta_head();
if (num == steady && num == head) {
print(", head");
stay = false;
} else if (num == meta_steady_head()) {
} else if (num == steady) {
print(", head-steady");
stay = false;
} else if (num == meta_weak_head()) {
} else if (num == head) {
print(", head-weak");
stay = false;
}
if (num == meta_tail()) {
if (num == meta_tail(head)) {
print(", tail");
stay = false;
}