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// request.h
/*
* Copyright (C) 2010 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/>.
*/
#pragma once
#include "../pch.h"
#include "../util/message.h"
#include "../db/dbmessage.h"
#include "config.h"
#include "util.h"
namespace mongo {
class OpCounters;
class ClientInfo;
class Request : boost::noncopyable {
public:
Request( Message& m, AbstractMessagingPort* p );
// ---- message info -----
const char * getns() const {
return _d.getns();
}
int op() const {
return _m.operation();
}
bool expectResponse() const {
return op() == dbQuery || op() == dbGetMore;
}
bool isCommand() const;
MSGID id() const {
return _id;
}
DBConfig * getConfig() const {
return _config;
}
bool isShardingEnabled() const {
return _config->isShardingEnabled();
}
ChunkManager * getChunkManager() const {
return _chunkManager;
}
int getClientId() const {
return _clientId;
}
ClientInfo * getClientInfo() const {
return _clientInfo;
}
// ---- remote location info -----
Shard primaryShard() const ;
// ---- low level access ----
void reply( Message & response ){
_p->reply( _m , response , _id );
}
Message& m() { return _m; }
DbMessage& d() { return _d; }
AbstractMessagingPort* p() const { return _p; }
void process( int attempt = 0 );
void gotInsert();
private:
void reset( bool reload=false );
Message& _m;
DbMessage _d;
AbstractMessagingPort* _p;
MSGID _id;
DBConfig * _config;
ChunkManager * _chunkManager;
int _clientId;
ClientInfo * _clientInfo;
OpCounters* _counter;
};
typedef map<int,ClientInfo*> ClientCache;
class ClientInfo {
public:
ClientInfo( int clientId );
~ClientInfo();
string getRemote() const { return _remote; }
void addShard( const string& shard );
set<string> * getPrev() const { return _prev; };
void newRequest( AbstractMessagingPort* p = 0 );
void disconnect();
static ClientInfo * get( int clientId = 0 , bool create = true );
private:
int _id;
string _remote;
set<string> _a;
set<string> _b;
set<string> * _cur;
set<string> * _prev;
int _lastAccess;
static mongo::mutex _clientsLock;
static ClientCache _clients;
static boost::thread_specific_ptr<ClientInfo> _tlInfo;
};
}
#include "strategy.h"
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