void receivedGetMore(DbResponse& dbresponse, /*AbstractMessagingPort& dbMsgPort, */Message& m, stringstream& ss) {
DbMessage d(m);
const char *ns = d.getns();
ss << ns;
setClient(ns);
cc().top.setRead();
int ntoreturn = d.pullInt();
long long cursorid = d.pullInt64();
ss << " cid:" << cursorid;
ss << " ntoreturn:" << ntoreturn;
QueryResult* msgdata;
try {
AuthenticationInfo *ai = currentClient.get()->ai;
uassert("unauthorized", ai->isAuthorized(cc().database()->name.c_str()));
msgdata = getMore(ns, ntoreturn, cursorid, ss);
}
catch ( AssertionException& e ) {
ss << " exception " + e.toString();
msgdata = emptyMoreResult(cursorid);
}
Message *resp = new Message();
resp->setData(msgdata, true);
ss << " bytes:" << resp->data->dataLen();
ss << " nreturned:" << msgdata->nReturned;
dbresponse.response = resp;
dbresponse.responseTo = m.data->id;
//dbMsgPort.reply(m, resp);
}
void killOp( Message &m, DbResponse &dbresponse ) {
BSONObj obj;
AuthenticationInfo *ai = currentClient.get()->ai;
if( !ai->isAuthorized("admin") ) {
obj = fromjson("{\"err\":\"unauthorized\"}");
}
else if( !dbMutexInfo.isLocked() )
obj = fromjson("{\"info\":\"no op in progress/not locked\"}");
else {
killCurrentOp = 1;
obj = fromjson("{\"info\":\"attempting to kill op\"}");
}
replyToQuery(0, m, dbresponse, obj);
}
bool run(const string& dbname , BSONObj& cmdObj, string& errmsg, BSONObjBuilder& result, bool fromRepl) {
AuthenticationInfo *ai = cc().getAuthenticationInfo();
uassert( 12598 , "$eval reads unauthorized", ai->isAuthorizedReads(dbname.c_str()) );
if ( cmdObj["nolock"].trueValue() ) {
return dbEval(dbname, cmdObj, result, errmsg);
}
// write security will be enforced in DBDirectClient
mongolock lk( ai->isAuthorized( dbname.c_str() ) );
Client::Context ctx( dbname );
return dbEval(dbname, cmdObj, result, errmsg);
}
bool run(const string& dbname , BSONObj& cmdObj, int, string& errmsg, BSONObjBuilder& result, bool fromRepl) {
AuthenticationInfo *ai = cc().getAuthenticationInfo();
uassert( 12598 , "$eval reads unauthorized", ai->isAuthorizedReads(dbname.c_str()) );
if ( cmdObj["nolock"].trueValue() ) {
return dbEval(dbname, cmdObj, result, errmsg);
}
// write security will be enforced in DBDirectClient
// TODO: should this be a db lock?
scoped_ptr<Lock::ScopedLock> lk( ai->isAuthorized( dbname.c_str() ) ?
static_cast<Lock::ScopedLock*>( new Lock::GlobalWrite() ) :
static_cast<Lock::ScopedLock*>( new Lock::GlobalRead() ) );
Client::Context ctx( dbname );
return dbEval(dbname, cmdObj, result, errmsg);
}
void inProgCmd( Message &m, DbResponse &dbresponse ) {
BSONObjBuilder b;
AuthenticationInfo *ai = cc().ai;
if( !ai->isAuthorized("admin") ) {
BSONObjBuilder b;
b.append("err", "unauthorized");
}
else {
vector<BSONObj> vals;
{
boostlock bl(Client::clientsMutex);
for( set<Client*>::iterator i = Client::clients.begin(); i != Client::clients.end(); i++ ) {
Client *c = *i;
CurOp& co = *(c->curop());
if( co.active )
vals.push_back( co.infoNoauth() );
}
}
b.append("inprog", vals);
}
replyToQuery(0, m, dbresponse, b.obj());
}
// 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;
}
