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/**
* Copyright (C) 2009 10gen Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "pch.h"
#include "curop.h"
#include "database.h"
namespace mongo {
// todo : move more here
CurOp::CurOp( Client * client , CurOp * wrapped ) :
_client(client),
_wrapped(wrapped)
{
if ( _wrapped )
_client->_curOp = this;
_start = _checkpoint = 0;
_active = false;
_reset();
_op = 0;
// These addresses should never be written to again. The zeroes are
// placed here as a precaution because currentOp may be accessed
// without the db mutex.
memset(_ns, 0, sizeof(_ns));
}
void CurOp::_reset() {
_command = false;
_lockType = 0;
_dbprofile = 0;
_end = 0;
_waitingForLock = false;
_message = "";
_progressMeter.finished();
_killed = false;
_numYields = 0;
}
void CurOp::reset() {
_reset();
_start = _checkpoint = 0;
_opNum = _nextOpNum++;
_ns[0] = 0;
_debug.reset();
_query.reset();
_active = true; // this should be last for ui clarity
}
void CurOp::reset( const HostAndPort& remote, int op ) {
reset();
if( _remote != remote ) {
// todo : _remote is not thread safe yet is used as such!
_remote = remote;
}
_op = op;
}
ProgressMeter& CurOp::setMessage( const char * msg , unsigned long long progressMeterTotal , int secondsBetween ) {
if ( progressMeterTotal ) {
if ( _progressMeter.isActive() ) {
cout << "about to assert, old _message: " << _message << " new message:" << msg << endl;
assert( ! _progressMeter.isActive() );
}
_progressMeter.reset( progressMeterTotal , secondsBetween );
}
else {
_progressMeter.finished();
}
_message = msg;
return _progressMeter;
}
BSONObj CurOp::info() {
if( ! cc().getAuthenticationInfo()->isAuthorized("admin") ) {
BSONObjBuilder b;
b.append("err", "unauthorized");
return b.obj();
}
return infoNoauth();
}
CurOp::~CurOp() {
if ( _wrapped ) {
scoped_lock bl(Client::clientsMutex);
_client->_curOp = _wrapped;
}
_client = 0;
}
void CurOp::enter( Client::Context * context ) {
ensureStarted();
setNS( context->ns() );
_dbprofile = context->_db ? context->_db->profile : 0;
}
void CurOp::leave( Client::Context * context ) {
unsigned long long now = curTimeMicros64();
Top::global.record( _ns , _op , _lockType , now - _checkpoint , _command );
_checkpoint = now;
}
BSONObj CurOp::infoNoauth() {
BSONObjBuilder b;
b.append("opid", _opNum);
bool a = _active && _start;
b.append("active", a);
if ( _lockType )
b.append("lockType" , _lockType > 0 ? "write" : "read" );
b.append("waitingForLock" , _waitingForLock );
if( a ) {
b.append("secs_running", elapsedSeconds() );
}
b.append( "op" , opToString( _op ) );
b.append("ns", _ns);
_query.append( b , "query" );
if( !_remote.empty() ) {
b.append("client", _remote.toString());
}
if ( _client ) {
b.append( "desc" , _client->desc() );
if ( _client->_threadId.size() )
b.append( "threadId" , _client->_threadId );
if ( _client->_connectionId )
b.appendNumber( "connectionId" , _client->_connectionId );
}
if ( ! _message.empty() ) {
if ( _progressMeter.isActive() ) {
StringBuilder buf(128);
buf << _message.toString() << " " << _progressMeter.toString();
b.append( "msg" , buf.str() );
BSONObjBuilder sub( b.subobjStart( "progress" ) );
sub.appendNumber( "done" , (long long)_progressMeter.done() );
sub.appendNumber( "total" , (long long)_progressMeter.total() );
sub.done();
}
else {
b.append( "msg" , _message.toString() );
}
}
if( killed() )
b.append("killed", true);
b.append( "numYields" , _numYields );
return b.obj();
}
AtomicUInt CurOp::_nextOpNum;
}
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