static void
xact_desc_abort(StringInfo buf, xl_xact_abort *xlrec)
{
int i;
appendStringInfoString(buf, timestamptz_to_str(xlrec->xact_time));
if (xlrec->nrels > 0)
{
appendStringInfoString(buf, "; rels:");
for (i = 0; i < xlrec->nrels; i++)
{
char *path = relpathperm(xlrec->xnodes[i], MAIN_FORKNUM);
appendStringInfo(buf, " %s", path);
pfree(path);
}
}
if (xlrec->nsubxacts > 0)
{
TransactionId *xacts = (TransactionId *)
&xlrec->xnodes[xlrec->nrels];
appendStringInfoString(buf, "; subxacts:");
for (i = 0; i < xlrec->nsubxacts; i++)
appendStringInfo(buf, " %u", xacts[i]);
}
}
static void
xact_desc_commit(StringInfo buf, xl_xact_commit *xlrec)
{
int i;
TransactionId *subxacts;
subxacts = (TransactionId *) &xlrec->xnodes[xlrec->nrels];
appendStringInfoString(buf, timestamptz_to_str(xlrec->xact_time));
if (xlrec->nrels > 0)
{
appendStringInfo(buf, "; rels:");
for (i = 0; i < xlrec->nrels; i++)
{
char *path = relpathperm(xlrec->xnodes[i], MAIN_FORKNUM);
appendStringInfo(buf, " %s", path);
pfree(path);
}
}
if (xlrec->nsubxacts > 0)
{
appendStringInfo(buf, "; subxacts:");
for (i = 0; i < xlrec->nsubxacts; i++)
appendStringInfo(buf, " %u", subxacts[i]);
}
if (xlrec->nmsgs > 0)
{
SharedInvalidationMessage *msgs;
msgs = (SharedInvalidationMessage *) &subxacts[xlrec->nsubxacts];
if (XactCompletionRelcacheInitFileInval(xlrec->xinfo))
appendStringInfo(buf, "; relcache init file inval dbid %u tsid %u",
xlrec->dbId, xlrec->tsId);
appendStringInfo(buf, "; inval msgs:");
for (i = 0; i < xlrec->nmsgs; i++)
{
SharedInvalidationMessage *msg = &msgs[i];
if (msg->id >= 0)
appendStringInfo(buf, " catcache %d", msg->id);
else if (msg->id == SHAREDINVALCATALOG_ID)
appendStringInfo(buf, " catalog %u", msg->cat.catId);
else if (msg->id == SHAREDINVALRELCACHE_ID)
appendStringInfo(buf, " relcache %u", msg->rc.relId);
/* remaining cases not expected, but print something anyway */
else if (msg->id == SHAREDINVALSMGR_ID)
appendStringInfo(buf, " smgr");
else if (msg->id == SHAREDINVALRELMAP_ID)
appendStringInfo(buf, " relmap");
else
appendStringInfo(buf, " unknown id %d", msg->id);
}
}
}
static void pg_decode_commit_txn(LogicalDecodingContext* ctx, ReorderBufferTXN* txn, XLogRecPtr commit_lsn) {
OutputPluginPrepareWrite(ctx, true);
appendStringInfo(
ctx->out,
"{\"type\":\"transaction.commit\",\"xid\":\"%u\",\"committed\":\"%s\"}",
txn->xid,
timestamptz_to_str(txn->commit_time)
);
OutputPluginWrite(ctx, true);
}
static void pg_output_begin(LogicalDecodingContext* ctx, DecodingJsonData* data, ReorderBufferTXN* txn, bool last_write) {
OutputPluginPrepareWrite(ctx, last_write);
appendStringInfo(
ctx->out,
"{\"type\":\"transaction.begin\",\"xid\":\"%u\",\"committed\":\"%s\"}",
txn->xid,
timestamptz_to_str(txn->commit_time)
);
OutputPluginWrite(ctx, last_write);
}
/*
* Keep track of important messages from primary.
*/
static void
ProcessWalSndrMessage(XLogRecPtr walEnd, TimestampTz sendTime)
{
/* use volatile pointer to prevent code rearrangement */
volatile WalRcvData *walrcv = WalRcv;
TimestampTz lastMsgReceiptTime = GetCurrentTimestamp();
/* Update shared-memory status */
SpinLockAcquire(&walrcv->mutex);
walrcv->lastMsgSendTime = sendTime;
walrcv->lastMsgReceiptTime = lastMsgReceiptTime;
SpinLockRelease(&walrcv->mutex);
elog(DEBUG2, "sendtime %s receipttime %s replication apply delay %d transfer latency %d",
timestamptz_to_str(sendTime),
timestamptz_to_str(lastMsgReceiptTime),
GetReplicationApplyDelay(),
GetReplicationTransferLatency());
}
static void
xact_desc_commit_compact(StringInfo buf, xl_xact_commit_compact *xlrec)
{
int i;
appendStringInfoString(buf, timestamptz_to_str(xlrec->xact_time));
if (xlrec->nsubxacts > 0)
{
appendStringInfoString(buf, "; subxacts:");
for (i = 0; i < xlrec->nsubxacts; i++)
appendStringInfo(buf, " %u", xlrec->subxacts[i]);
}
}
void
commit_ts_desc(StringInfo buf, XLogReaderState *record)
{
char *rec = XLogRecGetData(record);
uint8 info = XLogRecGetInfo(record) & ~XLR_INFO_MASK;
if (info == COMMIT_TS_ZEROPAGE)
{
int pageno;
memcpy(&pageno, rec, sizeof(int));
appendStringInfo(buf, "%d", pageno);
}
else if (info == COMMIT_TS_TRUNCATE)
{
int pageno;
memcpy(&pageno, rec, sizeof(int));
appendStringInfo(buf, "%d", pageno);
}
else if (info == COMMIT_TS_SETTS)
{
xl_commit_ts_set *xlrec = (xl_commit_ts_set *) rec;
int nsubxids;
appendStringInfo(buf, "set %s/%d for: %u",
timestamptz_to_str(xlrec->timestamp),
xlrec->nodeid,
xlrec->mainxid);
nsubxids = ((XLogRecGetDataLen(record) - SizeOfCommitTsSet) /
sizeof(TransactionId));
if (nsubxids > 0)
{
int i;
TransactionId *subxids;
subxids = palloc(sizeof(TransactionId) * nsubxids);
memcpy(subxids,
XLogRecGetData(record) + SizeOfCommitTsSet,
sizeof(TransactionId) * nsubxids);
for (i = 0; i < nsubxids; i++)
appendStringInfo(buf, ", %u", subxids[i]);
pfree(subxids);
}
}
}
static void
xact_desc_commit(StringInfo buf, uint8 info, xl_xact_commit *xlrec, RepOriginId origin_id)
{
xl_xact_parsed_commit parsed;
int i;
ParseCommitRecord(info, xlrec, &parsed);
/* If this is a prepared xact, show the xid of the original xact */
if (TransactionIdIsValid(parsed.twophase_xid))
appendStringInfo(buf, "%u: ", parsed.twophase_xid);
appendStringInfoString(buf, timestamptz_to_str(xlrec->xact_time));
if (parsed.nrels > 0)
{
appendStringInfoString(buf, "; rels:");
for (i = 0; i < parsed.nrels; i++)
{
char *path = relpathperm(parsed.xnodes[i], MAIN_FORKNUM);
appendStringInfo(buf, " %s", path);
pfree(path);
}
}
if (parsed.nsubxacts > 0)
{
appendStringInfoString(buf, "; subxacts:");
for (i = 0; i < parsed.nsubxacts; i++)
appendStringInfo(buf, " %u", parsed.subxacts[i]);
}
if (parsed.nmsgs > 0)
{
if (XactCompletionRelcacheInitFileInval(parsed.xinfo))
appendStringInfo(buf, "; relcache init file inval dbid %u tsid %u",
parsed.dbId, parsed.tsId);
appendStringInfoString(buf, "; inval msgs:");
for (i = 0; i < parsed.nmsgs; i++)
{
SharedInvalidationMessage *msg = &parsed.msgs[i];
if (msg->id >= 0)
appendStringInfo(buf, " catcache %d", msg->id);
else if (msg->id == SHAREDINVALCATALOG_ID)
appendStringInfo(buf, " catalog %u", msg->cat.catId);
else if (msg->id == SHAREDINVALRELCACHE_ID)
appendStringInfo(buf, " relcache %u", msg->rc.relId);
/* not expected, but print something anyway */
else if (msg->id == SHAREDINVALSMGR_ID)
appendStringInfoString(buf, " smgr");
/* not expected, but print something anyway */
else if (msg->id == SHAREDINVALRELMAP_ID)
appendStringInfoString(buf, " relmap");
else if (msg->id == SHAREDINVALSNAPSHOT_ID)
appendStringInfo(buf, " snapshot %u", msg->sn.relId);
else
appendStringInfo(buf, " unknown id %d", msg->id);
}
}
if (XactCompletionForceSyncCommit(parsed.xinfo))
appendStringInfo(buf, "; sync");
if (parsed.xinfo & XACT_XINFO_HAS_ORIGIN)
{
appendStringInfo(buf, "; origin: node %u, lsn %X/%X, at %s",
origin_id,
(uint32)(parsed.origin_lsn >> 32),
(uint32)parsed.origin_lsn,
timestamptz_to_str(parsed.origin_timestamp));
}
char* fs_info(void) {
char* result;
FILE *fp;
struct mntent *fs;
struct statvfs vfs;
StringInfoData resultbuf;
char strbuf[30];
TimestampTz now;
initStringInfo(&resultbuf);
appendStringInfo(&resultbuf, "FSINFO;");
fp = setmntent("/etc/mtab", "r"); /* read only */
if (fp == NULL) {
elog(LOG, "%s: could not open: %s\n", "/etc/mtab", strerror(errno));
result = palloc(2);
strcpy(result, "");
return result;
}
while ((fs = getmntent(fp)) != NULL) {
if (fs->mnt_fsname[0] == '/') {
if (statvfs(fs->mnt_dir, & vfs) != 0) {
//elog(LOG, "SKIPPING %s: statvfs failed: %s\n", fs->mnt_dir, strerror(errno));
} else {
/* Filesystem Info */
appendStringInfoString(&resultbuf, fs->mnt_fsname);
appendStringInfo(&resultbuf, FIELD_DELIMIT);
appendStringInfoString(&resultbuf, fs->mnt_dir);
appendStringInfo(&resultbuf, FIELD_DELIMIT);
appendStringInfoString(&resultbuf, fs->mnt_type);
appendStringInfo(&resultbuf, FIELD_DELIMIT);
appendStringInfoString(&resultbuf, fs->mnt_opts);
appendStringInfo(&resultbuf, FIELD_DELIMIT);
/* Filesystem Stats */
sprintf(strbuf, "%ld", (unsigned long) vfs.f_bsize);
appendStringInfoString(&resultbuf, strbuf);
appendStringInfo(&resultbuf, FIELD_DELIMIT);
sprintf(strbuf, "%ld", (unsigned long) vfs.f_frsize);
appendStringInfoString(&resultbuf, strbuf);
appendStringInfo(&resultbuf, FIELD_DELIMIT);
sprintf(strbuf, "%ld", (unsigned long) vfs.f_blocks);
appendStringInfoString(&resultbuf, strbuf);
appendStringInfo(&resultbuf, FIELD_DELIMIT);
sprintf(strbuf, "%ld", (unsigned long) vfs.f_bfree);
appendStringInfoString(&resultbuf, strbuf);
appendStringInfo(&resultbuf, FIELD_DELIMIT);
sprintf(strbuf, "%ld", (unsigned long) vfs.f_bavail);
appendStringInfoString(&resultbuf, strbuf);
appendStringInfo(&resultbuf, FIELD_DELIMIT);
/* add current_timestamp */
now = GetCurrentTimestamp();
appendStringInfoString(&resultbuf, (char *)timestamptz_to_str(now));
appendStringInfo(&resultbuf,REC_DELIMIT);
}
}
}
endmntent(fp);
// elog(LOG, "FSINFO: %s", resultbuf.data); //print the command to send, debugging
appendStringInfoString(&resultbuf, CDELIMIT);
result = pstrdup(resultbuf.data);
return result;
}
