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wp: print mconf

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This commit is contained in:
Arseny Sher
2025-01-23 11:31:07 +01:00
parent f7485c4459
commit 96d67abd50
2 changed files with 41 additions and 4 deletions
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42
pgxn/neon/walproposer.c
View File

@@ -82,6 +82,7 @@ static char *FormatSafekeeperState(Safekeeper *sk);
static void AssertEventsOkForState(uint32 events, Safekeeper *sk);
static char *FormatEvents(WalProposer *wp, uint32 events);
static void UpdateDonorShmem(WalProposer *wp);
static char *MembershipConfigurationToString(MembershipConfiguration *mconf);
static void MembershipConfigurationFree(MembershipConfiguration *mconf);
WalProposer *
@@ -690,6 +691,10 @@ static void
SendProposerGreeting(Safekeeper *sk)
{
WalProposer *wp = sk->wp;
char *mconf_toml = MembershipConfigurationToString(&wp->greetRequest.mconf);
wp_log(LOG, "sending ProposerGreeting to safekeeper %s:%s with mconf = %s", sk->host, sk->port, mconf_toml);
pfree(mconf_toml);
PAMessageSerialize(wp, (ProposerAcceptorMessage *) &wp->greetRequest,
&sk->outbuf, wp->config->proto_version);
@@ -705,6 +710,7 @@ static void
RecvAcceptorGreeting(Safekeeper *sk)
{
WalProposer *wp = sk->wp;
char *mconf_toml;
/*
* If our reading doesn't immediately succeed, any necessary error
@@ -715,7 +721,10 @@ RecvAcceptorGreeting(Safekeeper *sk)
if (!AsyncReadMessage(sk, (AcceptorProposerMessage *) &sk->greetResponse))
return;
wp_log(LOG, "received AcceptorGreeting from safekeeper %s:%s, term=" INT64_FORMAT, sk->host, sk->port, sk->greetResponse.term);
mconf_toml = MembershipConfigurationToString(&sk->greetResponse.mconf);
wp_log(LOG, "received AcceptorGreeting from safekeeper %s:%s, node_id = %lu, mconf = %s, term=" UINT64_FORMAT,
sk->host, sk->port, sk->greetResponse.nodeId, mconf_toml, sk->greetResponse.term);
pfree(mconf_toml);
/* Protocol is all good, move to voting. */
sk->state = SS_VOTING;
@@ -2459,6 +2468,37 @@ FormatEvents(WalProposer *wp, uint32 events)
return (char *) &return_str;
}
/* Dump mconf as toml for observability / debugging. Result is palloc'ed. */
static char *
MembershipConfigurationToString(MembershipConfiguration *mconf)
{
StringInfoData s;
uint32 i;
initStringInfo(&s);
appendStringInfo(&s, "{gen = %u", mconf->generation);
appendStringInfoString(&s, ", members = [");
for (i = 0; i < mconf->members.len; i++)
{
if (i > 0)
appendStringInfoString(&s, ", ");
appendStringInfo(&s, "{node_id = %lu", mconf->members.m[i].node_id);
appendStringInfo(&s, ", host = %s", mconf->members.m[i].host);
appendStringInfo(&s, ", port = %u }", mconf->members.m[i].port);
}
appendStringInfo(&s, "], new_members = [");
for (i = 0; i < mconf->new_members.len; i++)
{
if (i > 0)
appendStringInfoString(&s, ", ");
appendStringInfo(&s, "{node_id = %lu", mconf->new_members.m[i].node_id);
appendStringInfo(&s, ", host = %s", mconf->new_members.m[i].host);
appendStringInfo(&s, ", port = %u }", mconf->new_members.m[i].port);
}
appendStringInfoString(&s, "]}");
return s.data;
}
static void
MembershipConfigurationFree(MembershipConfiguration *mconf)
{

3
pgxn/neon/walproposer.h
View File

@@ -169,9 +169,6 @@ typedef struct MembershipConfiguration
MemberSet new_members;
} MembershipConfiguration;
/* Used only for debug printing */
#define MaxMembershipConfLen 8192
/*
* Proposer <-> Acceptor messaging.
*/