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author | Eliot Horowitz <eliot@10gen.com> | 2014-05-05 23:36:42 -0400 |
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committer | Eliot Horowitz <eliot@10gen.com> | 2014-05-06 12:06:58 -0400 |
commit | e404acb525bb23a7f75c54e93f124a5141083503 (patch) | |
tree | a705ba87bb71d8bd77e2ab5a86a823f4db6d3e26 /src/mongo/db/commands/server_status_internal.cpp | |
parent | aa170e9550ae7b88ae129e90d083d6f9373ce1da (diff) | |
download | mongo-e404acb525bb23a7f75c54e93f124a5141083503.tar.gz |
SERVER-13640: split up ServerStatus into a library
Diffstat (limited to 'src/mongo/db/commands/server_status_internal.cpp')
-rw-r--r-- | src/mongo/db/commands/server_status_internal.cpp | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/src/mongo/db/commands/server_status_internal.cpp b/src/mongo/db/commands/server_status_internal.cpp new file mode 100644 index 00000000000..24f8e36dafa --- /dev/null +++ b/src/mongo/db/commands/server_status_internal.cpp @@ -0,0 +1,82 @@ +// server_status_internal.cpp + +/** +* Copyright (C) 2014 MongoDB 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/>. +* +* As a special exception, the copyright holders give permission to link the +* code of portions of this program with the OpenSSL library under certain +* conditions as described in each individual source file and distribute +* linked combinations including the program with the OpenSSL library. You +* must comply with the GNU Affero General Public License in all respects for +* all of the code used other than as permitted herein. If you modify file(s) +* with this exception, you may extend this exception to your version of the +* file(s), but you are not obligated to do so. If you do not wish to do so, +* delete this exception statement from your version. If you delete this +* exception statement from all source files in the program, then also delete +* it in the license file. +*/ + +#include "mongo/db/commands/server_status_internal.h" + +#include "mongo/db/commands/server_status_metric.h" +#include "mongo/util/mongoutils/str.h" + +namespace mongo { + + using namespace mongoutils; + + MetricTree* MetricTree::theMetricTree = NULL; + + void MetricTree::add( ServerStatusMetric* metric ) { + string name = metric->getMetricName(); + if ( name[0] == '.' ) + _add( name.substr(1), metric ); + else + _add( str::stream() << "metrics." << name, metric ); + } + + void MetricTree::_add( const string& path, ServerStatusMetric* metric ) { + size_t idx = path.find( "." ); + if ( idx == string::npos ) { + _metrics[path] = metric; + return; + } + + string myLevel = path.substr( 0, idx ); + if ( _metrics.count( myLevel ) > 0 ) { + cerr << "metric conflict on: " << myLevel << endl; + fassertFailed( 16461 ); + } + + MetricTree*& sub = _subtrees[myLevel]; + if ( ! sub ) + sub = new MetricTree(); + sub->_add( path.substr( idx + 1 ), metric ); + } + + void MetricTree::appendTo( BSONObjBuilder& b ) const { + for ( map<string,ServerStatusMetric*>::const_iterator i = _metrics.begin(); i != _metrics.end(); ++i ) { + i->second->appendAtLeaf( b ); + } + + for ( map<string,MetricTree*>::const_iterator i = _subtrees.begin(); i != _subtrees.end(); ++i ) { + BSONObjBuilder bb( b.subobjStart( i->first ) ); + i->second->appendTo( bb ); + bb.done(); + } + } + +} + |