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/* commands.cpp
db "commands" (sent via db.$cmd.findOne(...))
*/
/* Copyright 2009 10gen Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "stdafx.h"
#include "jsobj.h"
#include "commands.h"
namespace mongo {
map<string,Command*> *commands;
Command::Command(const char *_name) : name(_name) {
// register ourself.
if ( commands == 0 )
commands = new map<string,Command*>;
(*commands)[name] = this;
}
void Command::help( stringstream& help ) const {
help << "no help defined";
}
bool runCommandAgainstRegistered(const char *ns, BSONObj& jsobj, BSONObjBuilder& anObjBuilder) {
const char *p = strchr(ns, '.');
if ( !p ) return false;
if ( strcmp(p, ".$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);
}
anObjBuilder.append( "ok" , ok ? 1.0 : 0.0 );
if ( !ok ) {
anObjBuilder.append("errmsg", errmsg);
uassert_nothrow(errmsg.c_str());
}
return true;
}
return false;
}
} // namespace mongo
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