bool Command::runAgainstRegistered(const char *ns, BSONObj& jsobj, BSONObjBuilder& anObjBuilder) {
const char *p = strchr(ns, '.');
if ( !p ) return false;
if ( strcmp(p, ".$cmd") != 0 ) return false;
bool ok = false;
bool valid = false;
BSONElement e;
e = jsobj.firstElement();
map<string,Command*>::iterator i;
if ( e.eoo() )
;
/* check for properly registered command objects. Note that all the commands below should be
migrated over to the command object format.
*/
else if ( (i = _commands->find(e.fieldName())) != _commands->end() ) {
valid = true;
string errmsg;
Command *c = i->second;
if ( c->adminOnly() && strncmp(ns, "admin", 5) != 0 ) {
ok = false;
errmsg = "access denied";
}
else if ( jsobj.getBoolField( "help" ) ){
stringstream help;
help << "help for: " << e.fieldName() << " ";
c->help( help );
anObjBuilder.append( "help" , help.str() );
}
else {
ok = c->run(ns, jsobj, errmsg, anObjBuilder, false);
}
BSONObj tmp = anObjBuilder.asTempObj();
bool have_ok = tmp.hasField("ok");
bool have_errmsg = tmp.hasField("errmsg");
if (!have_ok)
anObjBuilder.append( "ok" , ok ? 1.0 : 0.0 );
if ( !ok && !have_errmsg) {
anObjBuilder.append("errmsg", errmsg);
uassert_nothrow(errmsg.c_str());
}
return true;
}
return false;
}
// Returns false when request includes 'end'
bool assembleResponse( Message &m, DbResponse &dbresponse, const sockaddr_in &client ) {
// before we lock...
if ( m.data->operation() == dbQuery ) {
const char *ns = m.data->_data + 4;
if( strstr(ns, "$cmd.sys.") ) {
if( strstr(ns, "$cmd.sys.inprog") ) {
inProgCmd(m, dbresponse);
return true;
}
if( strstr(ns, "$cmd.sys.killop") ) {
killOp(m, dbresponse);
return true;
}
}
}
if ( handlePossibleShardedMessage( m , dbresponse ) ){
/* important to do this before we lock
so if a message has to be forwarded, doesn't block for that
*/
return true;
}
dblock lk;
stringstream ss;
char buf[64];
time_t now = time(0);
CurOp& currentOp = *cc().curop();
currentOp.reset(now, client);
time_t_to_String(now, buf);
buf[20] = 0; // don't want the year
ss << buf;
Timer t;
Client& c = cc();
c.clearns();
int logThreshold = 100;
int ms;
bool log = logLevel >= 1;
c.curop()->op = m.data->operation();
#if 0
/* use this if you only want to process operations for a particular namespace.
maybe add to cmd line parms or something fancier.
*/
DbMessage ddd(m);
if ( strncmp(ddd.getns(), "clusterstock", 12) != 0 ) {
static int q;
if ( ++q < 20 )
out() << "TEMP skip " << ddd.getns() << endl;
goto skip;
}
#endif
if ( m.data->operation() == dbQuery ) {
// receivedQuery() does its own authorization processing.
receivedQuery(dbresponse, m, ss, true);
}
else if ( m.data->operation() == dbGetMore ) {
// receivedQuery() does its own authorization processing.
OPREAD;
DEV log = true;
ss << "getmore ";
receivedGetMore(dbresponse, m, ss);
}
else if ( m.data->operation() == dbMsg ) {
/* deprecated / rarely used. intended for connection diagnostics. */
ss << "msg ";
char *p = m.data->_data;
int len = strlen(p);
if ( len > 400 )
out() << curTimeMillis() % 10000 <<
" long msg received, len:" << len <<
" ends with: " << p + len - 10 << endl;
bool end = false; //strcmp("end", p) == 0;
Message *resp = new Message();
resp->setData(opReply, "i am fine");
dbresponse.response = resp;
dbresponse.responseTo = m.data->id;
//dbMsgPort.reply(m, resp);
if ( end )
return false;
}
else {
const char *ns = m.data->_data + 4;
char cl[256];
nsToClient(ns, cl);
strncpy(currentOp.ns, ns, Namespace::MaxNsLen);
AuthenticationInfo *ai = currentClient.get()->ai;
if( !ai->isAuthorized(cl) ) {
uassert_nothrow("unauthorized");
}
else if ( m.data->operation() == dbInsert ) {
OPWRITE;
try {
ss << "insert ";
receivedInsert(m, ss);
}
catch ( AssertionException& e ) {
LOGSOME problem() << " Caught Assertion insert, continuing\n";
ss << " exception " + e.toString();
}
}
else if ( m.data->operation() == dbUpdate ) {
OPWRITE;
try {
ss << "update ";
receivedUpdate(m, ss);
}
catch ( AssertionException& e ) {
LOGSOME problem() << " Caught Assertion update, continuing" << endl;
ss << " exception " + e.toString();
}
}
else if ( m.data->operation() == dbDelete ) {
OPWRITE;
try {
ss << "remove ";
receivedDelete(m, ss);
}
catch ( AssertionException& e ) {
LOGSOME problem() << " Caught Assertion receivedDelete, continuing" << endl;
ss << " exception " + e.toString();
}
}
else if ( m.data->operation() == dbKillCursors ) {
OPREAD;
try {
logThreshold = 10;
ss << "killcursors ";
receivedKillCursors(m);
}
catch ( AssertionException& e ) {
problem() << " Caught Assertion in kill cursors, continuing" << endl;
ss << " exception " + e.toString();
}
}
else {
out() << " operation isn't supported: " << m.data->operation() << endl;
currentOp.active = false;
assert(false);
}
}
ms = t.millis();
log = log || (logLevel >= 2 && ++ctr % 512 == 0);
DEV log = true;
if ( log || ms > logThreshold ) {
ss << ' ' << t.millis() << "ms";
out() << ss.str().c_str() << endl;
}
Database *database = cc().database();
if ( database && database->profile >= 1 ) {
if ( database->profile >= 2 || ms >= 100 ) {
// profile it
profile(ss.str().c_str()+20/*skip ts*/, ms);
}
}
currentOp.active = false;
return true;
}
// Returns false when request includes 'end'
bool assembleResponse( Message &m, DbResponse &dbresponse, const SockAddr &client ) {
// before we lock...
int op = m.operation();
bool isCommand = false;
const char *ns = m.singleData()->_data + 4;
if ( op == dbQuery ) {
if( strstr(ns, ".$cmd") ) {
isCommand = true;
opwrite(m);
if( strstr(ns, ".$cmd.sys.") ) {
if( strstr(ns, "$cmd.sys.inprog") ) {
inProgCmd(m, dbresponse);
return true;
}
if( strstr(ns, "$cmd.sys.killop") ) {
killOp(m, dbresponse);
return true;
}
if( strstr(ns, "$cmd.sys.unlock") ) {
unlockFsync(ns, m, dbresponse);
return true;
}
}
}
else {
opread(m);
}
}
else if( op == dbGetMore ) {
opread(m);
}
else {
opwrite(m);
}
globalOpCounters.gotOp( op , isCommand );
Client& c = cc();
auto_ptr<CurOp> nestedOp;
CurOp* currentOpP = c.curop();
if ( currentOpP->active() ){
nestedOp.reset( new CurOp( &c , currentOpP ) );
currentOpP = nestedOp.get();
}
CurOp& currentOp = *currentOpP;
currentOp.reset(client,op);
OpDebug& debug = currentOp.debug();
StringBuilder& ss = debug.str;
ss << opToString( op ) << " ";
int logThreshold = cmdLine.slowMS;
bool log = logLevel >= 1;
if ( op == dbQuery ) {
if ( handlePossibleShardedMessage( m , &dbresponse ) )
return true;
receivedQuery(c , dbresponse, m );
}
else if ( op == dbGetMore ) {
if ( ! receivedGetMore(dbresponse, m, currentOp) )
log = true;
}
else if ( op == dbMsg ) {
// deprecated - replaced by commands
char *p = m.singleData()->_data;
int len = strlen(p);
if ( len > 400 )
out() << curTimeMillis() % 10000 <<
" long msg received, len:" << len << endl;
Message *resp = new Message();
if ( strcmp( "end" , p ) == 0 )
resp->setData( opReply , "dbMsg end no longer supported" );
else
resp->setData( opReply , "i am fine - dbMsg deprecated");
dbresponse.response = resp;
dbresponse.responseTo = m.header()->id;
}
else {
const char *ns = m.singleData()->_data + 4;
char cl[256];
nsToDatabase(ns, cl);
if( ! c.getAuthenticationInfo()->isAuthorized(cl) ) {
uassert_nothrow("unauthorized");
}
else {
try {
if ( op == dbInsert ) {
receivedInsert(m, currentOp);
}
else if ( op == dbUpdate ) {
receivedUpdate(m, currentOp);
}
else if ( op == dbDelete ) {
receivedDelete(m, currentOp);
}
else if ( op == dbKillCursors ) {
currentOp.ensureStarted();
logThreshold = 10;
ss << "killcursors ";
receivedKillCursors(m);
}
else {
mongo::log() << " operation isn't supported: " << op << endl;
currentOp.done();
log = true;
}
}
catch ( UserException& ue ) {
tlog(3) << " Caught Assertion in " << opToString(op) << ", continuing " << ue.toString() << endl;
ss << " exception " << ue.toString();
}
catch ( AssertionException& e ) {
tlog(3) << " Caught Assertion in " << opToString(op) << ", continuing " << e.toString() << endl;
ss << " exception " << e.toString();
log = true;
}
}
}
currentOp.ensureStarted();
currentOp.done();
int ms = currentOp.totalTimeMillis();
//DEV log = true;
if ( log || ms > logThreshold ) {
if( logLevel < 3 && op == dbGetMore && strstr(ns, ".oplog.") && ms < 3000 && !log ) {
/* it's normal for getMore on the oplog to be slow because of use of awaitdata flag. */
} else {
ss << ' ' << ms << "ms";
mongo::tlog() << ss.str() << endl;
}
}
if ( currentOp.shouldDBProfile( ms ) ){
// performance profiling is on
if ( dbMutex.getState() < 0 ){
mongo::log(1) << "note: not profiling because recursive read lock" << endl;
}
else {
writelock lk;
if ( dbHolder.isLoaded( nsToDatabase( currentOp.getNS() ) , dbpath ) ){
Client::Context c( currentOp.getNS() );
profile(ss.str().c_str(), ms);
}
else {
mongo::log() << "note: not profiling because db went away - probably a close on: " << currentOp.getNS() << endl;
}
}
}
return true;
} /* assembleResponse() */
// Returns false when request includes 'end'
void assembleResponse( Message &m, DbResponse &dbresponse, const HostAndPort& remote ) {
// before we lock...
int op = m.operation();
bool isCommand = false;
const char *ns = m.singleData()->_data + 4;
if ( op == dbQuery ) {
if( strstr(ns, ".$cmd") ) {
isCommand = true;
opwrite(m);
if( strstr(ns, ".$cmd.sys.") ) {
if( strstr(ns, "$cmd.sys.inprog") ) {
inProgCmd(m, dbresponse);
return;
}
if( strstr(ns, "$cmd.sys.killop") ) {
killOp(m, dbresponse);
return;
}
if( strstr(ns, "$cmd.sys.unlock") ) {
unlockFsync(ns, m, dbresponse);
return;
}
}
}
else {
opread(m);
}
}
else if( op == dbGetMore ) {
opread(m);
}
else {
opwrite(m);
}
globalOpCounters.gotOp( op , isCommand );
Client& c = cc();
auto_ptr<CurOp> nestedOp;
CurOp* currentOpP = c.curop();
if ( currentOpP->active() ) {
nestedOp.reset( new CurOp( &c , currentOpP ) );
currentOpP = nestedOp.get();
}
else {
c.newTopLevelRequest();
}
CurOp& currentOp = *currentOpP;
currentOp.reset(remote,op);
OpDebug& debug = currentOp.debug();
debug.op = op;
int logThreshold = cmdLine.slowMS;
bool log = logLevel >= 1;
if ( op == dbQuery ) {
if ( handlePossibleShardedMessage( m , &dbresponse ) )
return;
receivedQuery(c , dbresponse, m );
}
else if ( op == dbGetMore ) {
if ( ! receivedGetMore(dbresponse, m, currentOp) )
log = true;
}
else if ( op == dbMsg ) {
// deprecated - replaced by commands
char *p = m.singleData()->_data;
int len = strlen(p);
if ( len > 400 )
out() << curTimeMillis64() % 10000 <<
" long msg received, len:" << len << endl;
Message *resp = new Message();
if ( strcmp( "end" , p ) == 0 )
resp->setData( opReply , "dbMsg end no longer supported" );
else
resp->setData( opReply , "i am fine - dbMsg deprecated");
dbresponse.response = resp;
dbresponse.responseTo = m.header()->id;
}
else {
try {
// The following operations all require authorization.
// dbInsert, dbUpdate and dbDelete can be easily pre-authorized,
// here, but dbKillCursors cannot.
if ( op == dbKillCursors ) {
currentOp.ensureStarted();
logThreshold = 10;
receivedKillCursors(m);
}
else if ( ! c.getAuthenticationInfo()->isAuthorized(
nsToDatabase( m.singleData()->_data + 4 ) ) ) {
uassert_nothrow("unauthorized");
}
else if ( op == dbInsert ) {
receivedInsert(m, currentOp);
}
else if ( op == dbUpdate ) {
receivedUpdate(m, currentOp);
}
else if ( op == dbDelete ) {
receivedDelete(m, currentOp);
}
else {
mongo::log() << " operation isn't supported: " << op << endl;
currentOp.done();
log = true;
}
}
catch ( UserException& ue ) {
tlog(3) << " Caught Assertion in " << opToString(op) << ", continuing "
<< ue.toString() << endl;
debug.exceptionInfo = ue.getInfo();
}
catch ( AssertionException& e ) {
tlog(3) << " Caught Assertion in " << opToString(op) << ", continuing "
<< e.toString() << endl;
debug.exceptionInfo = e.getInfo();
log = true;
}
}
currentOp.ensureStarted();
currentOp.done();
debug.executionTime = currentOp.totalTimeMillis();
//DEV log = true;
if ( log || debug.executionTime > logThreshold ) {
if( logLevel < 3 && op == dbGetMore && strstr(ns, ".oplog.") && debug.executionTime < 4300 && !log ) {
/* it's normal for getMore on the oplog to be slow because of use of awaitdata flag. */
}
else {
mongo::tlog() << debug << endl;
}
}
if ( currentOp.shouldDBProfile( debug.executionTime ) ) {
// performance profiling is on
if ( Lock::isReadLocked() ) {
mongo::log(1) << "note: not profiling because recursive read lock" << endl;
}
else if ( lockedForWriting() ) {
mongo::log(1) << "note: not profiling because doing fsync+lock" << endl;
}
else {
writelock lk;
if ( dbHolder()._isLoaded( nsToDatabase( currentOp.getNS() ) , dbpath ) ) {
Client::Context cx( currentOp.getNS(), dbpath, false );
profile(c , currentOp );
}
else {
mongo::log() << "note: not profiling because db went away - probably a close on: " << currentOp.getNS() << endl;
}
}
}
debug.reset();
} /* assembleResponse() */