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136 lines
4.2 KiB
C++
136 lines
4.2 KiB
C++
// instance.h : Global state functions.
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//
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/**
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* Copyright (C) 2008 10gen Inc.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License, version 3,
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include "../client/dbclient.h"
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#include "curop.h"
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#include "security.h"
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namespace mongo {
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extern CurOp currentOp;
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// turn on or off the oplog.* files which the db can generate.
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// these files are for diagnostic purposes and are unrelated to
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// local.oplog.$main used by replication.
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//
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#define OPLOG if( 0 )
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int getOpLogging();
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extern string dbExecCommand;
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#define OPWRITE if( getOpLogging() & 1 ) _oplog.write((char *) m.data, m.data->len);
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#define OPREAD if( getOpLogging() & 2 ) _oplog.readop((char *) m.data, m.data->len);
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struct OpLog {
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ofstream *f;
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OpLog() : f(0) { }
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void init() {
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OPLOG {
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stringstream ss;
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ss << "oplog." << hex << time(0);
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string name = ss.str();
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f = new ofstream(name.c_str(), ios::out | ios::binary);
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if ( ! f->good() ) {
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problem() << "couldn't open log stream" << endl;
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throw 1717;
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}
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}
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}
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void flush() {
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OPLOG f->flush();
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}
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void write(char *data,int len) {
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OPLOG f->write(data,len);
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}
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void readop(char *data, int len) {
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OPLOG {
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bool log = (getOpLogging() & 4) == 0;
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OCCASIONALLY log = true;
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if ( log )
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f->write(data,len);
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}
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}
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};
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/* we defer response until we unlock. don't want a blocked socket to
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keep things locked.
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*/
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struct DbResponse {
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Message *response;
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MSGID responseTo;
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DbResponse(Message *r, MSGID rt) : response(r), responseTo(rt) {
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}
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DbResponse() {
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response = 0;
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}
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~DbResponse() {
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delete response;
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}
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};
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bool assembleResponse( Message &m, DbResponse &dbresponse );
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void receivedKillCursors(Message& m);
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void receivedUpdate(Message& m, stringstream& ss);
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void receivedDelete(Message& m);
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void receivedInsert(Message& m, stringstream& ss);
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void receivedGetMore(DbResponse& dbresponse, /*AbstractMessagingPort& dbMsgPort, */Message& m, stringstream& ss);
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void receivedQuery(DbResponse& dbresponse, /*AbstractMessagingPort& dbMsgPort, */Message& m, stringstream& ss, bool logit);
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void getDatabaseNames( vector< string > &names );
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// --- local client ---
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class DBDirectClient : public DBClientBase {
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virtual string toString() {
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return "DBDirectClient";
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}
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virtual bool call( Message &toSend, Message &response, bool assertOk=true );
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virtual void say( Message &toSend );
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virtual void sayPiggyBack( Message &toSend ) {
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// don't need to piggy back when connected locally
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return say( toSend );
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}
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class AlwaysAuthorized : public AuthenticationInfo {
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virtual bool isAuthorized( const char *dbname ) {
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return true;
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}
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};
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class Authorizer {
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public:
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Authorizer() {
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backup_.reset( authInfo.release() );
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// careful, don't want to free this.
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authInfo.reset( &always );
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}
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~Authorizer() {
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authInfo.release();
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authInfo.reset( backup_.release() );
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}
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private:
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static AlwaysAuthorized always;
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boost::thread_specific_ptr< AuthenticationInfo > backup_;
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};
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};
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} // namespace mongo
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