void addOp(const string& op, BSONObj o, BSONObj* o2 = NULL, const char* coll = NULL,
int version = 0) {
OpTime ts;
{
Lock::GlobalWrite lk;
ts = OpTime::_now();
}
BSONObjBuilder b;
b.appendTimestamp("ts", ts.asLL());
if (version != 0) {
b.append("v", version);
}
b.append("op", op);
b.append("o", o);
if (o2) {
b.append("o2", *o2);
}
if (coll) {
b.append("ns", coll);
}
else {
b.append("ns", ns());
}
_bgsync->addDoc(b.done());
}
void run() {
OpTime o;
{
mongo::mutex::scoped_lock lk2(OpTime::m);
o = OpTime::now(lk2);
}
BSONObjBuilder b;
b.append("ns","dummy");
b.appendTimestamp("ts", o.asLL());
BSONObj obj = b.obj();
MockInitialSync mock;
// all three should succeed
std::vector<BSONObj> ops;
ops.push_back(obj);
replset::multiInitialSyncApply(ops, &mock);
mock.failOnStep = MockInitialSync::FAIL_FIRST_APPLY;
replset::multiInitialSyncApply(ops, &mock);
mock.retry = false;
replset::multiInitialSyncApply(ops, &mock);
drop();
}
void run() {
OpTime o = OpTime::_now();
BSONObjBuilder b;
b.appendTimestamp("ts", o.asLL());
b.append("op", "u");
b.append("o", BSON("$set" << BSON("x" << 456)));
b.append("o2", BSON("_id" << 123));
b.append("ns", ns());
BSONObj obj = b.obj();
SyncTest2 sync2;
std::vector<BSONObj> ops;
ops.push_back(obj);
sync2.insertOnRetry = true;
// succeeds
multiInitialSyncApply(ops, &sync2);
BSONObj fin = findOne();
verify(fin["x"].Number() == 456);
drop();
}
static void _logOpRS(const char *opstr, const char *ns, const char *logNS, const BSONObj& obj, BSONObj *o2, bool *bb ) {
DEV assertInWriteLock();
if ( strncmp(ns, "local.", 6) == 0 ) {
if ( strncmp(ns, "local.slaves", 12) == 0 )
resetSlaveCache();
return;
}
const OpTime ts = OpTime::now();
long long hashNew;
if( theReplSet ) {
massert(13312, "replSet error : logOp() but not primary?", theReplSet->box.getState().primary());
hashNew = (theReplSet->lastH * 131 + ts.asLL()) * 17 + theReplSet->selfId();
}
else {
// must be initiation
assert( *ns == 0 );
hashNew = 0;
}
/* we jump through a bunch of hoops here to avoid copying the obj buffer twice --
instead we do a single copy to the destination position in the memory mapped file.
*/
logopbufbuilder.reset();
BSONObjBuilder b(logopbufbuilder);
b.appendTimestamp("ts", ts.asDate());
b.append("h", hashNew);
b.append("op", opstr);
b.append("ns", ns);
if ( bb )
b.appendBool("b", *bb);
if ( o2 )
b.append("o2", *o2);
BSONObj partial = b.done();
int posz = partial.objsize();
int len = posz + obj.objsize() + 1 + 2 /*o:*/;
Record *r;
DEV assert( logNS == 0 );
{
const char *logns = rsoplog;
if ( rsOplogDetails == 0 ) {
Client::Context ctx( logns , dbpath, 0, false);
localDB = ctx.db();
assert( localDB );
rsOplogDetails = nsdetails(logns);
massert(13347, "local.oplog.rs missing. did you drop it? if so restart server", rsOplogDetails);
}
Client::Context ctx( logns , localDB, false );
r = theDataFileMgr.fast_oplog_insert(rsOplogDetails, logns, len);
/* todo: now() has code to handle clock skew. but if the skew server to server is large it will get unhappy.
this code (or code in now() maybe) should be improved.
*/
if( theReplSet ) {
if( !(theReplSet->lastOpTimeWritten<ts) ) {
log() << "replSet ERROR possible failover clock skew issue? " << theReplSet->lastOpTimeWritten << ' ' << ts << rsLog;
log() << "replSet " << theReplSet->isPrimary() << rsLog;
}
theReplSet->lastOpTimeWritten = ts;
theReplSet->lastH = hashNew;
ctx.getClient()->setLastOp( ts.asDate() );
}
}
append_O_Obj(r->data, partial, obj);
if ( logLevel >= 6 ) {
BSONObj temp(r);
log( 6 ) << "logOp:" << temp << endl;
}
}