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// mongo/shell/shell_utils.h
/**
* Copyright (C) 2018-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* 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
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* 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 Server Side 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.
*/
#pragma once
#include "mongo/db/jsobj.h"
#include "mongo/stdx/mutex.h"
#include "mongo/util/concurrency/mutex.h"
namespace mongo {
class Scope;
class DBClientBase;
namespace shell_utils {
extern std::string _dbConnect;
extern std::string _dbAuth;
void RecordMyLocation(const char* _argv0);
void installShellUtils(Scope& scope);
void initScope(Scope& scope);
void onConnect(DBClientBase& c);
const char* getUserDir();
BSONElement singleArg(const BSONObj& args);
extern const BSONObj undefinedReturn;
/** Prompt for confirmation from cin. */
class Prompter {
public:
Prompter(const std::string& prompt);
/** @return prompted confirmation or cached confirmation. */
bool confirm();
private:
const std::string _prompt;
bool _confirmed;
};
/** Registry of server connections. */
class ConnectionRegistry {
public:
ConnectionRegistry();
void registerConnection(DBClientBase& client);
void killOperationsOnAllConnections(bool withPrompt) const;
private:
std::map<std::string, std::set<std::string>> _connectionUris;
mutable stdx::mutex _mutex;
};
extern ConnectionRegistry connectionRegistry;
// This mutex helps the shell serialize output on exit, to avoid deadlocks at shutdown. So
// it also protects the global dbexitCalled.
extern stdx::mutex& mongoProgramOutputMutex;
// Helper to tell if a file exists cross platform
// TODO: Remove this when we have a cross platform file utility library
bool fileExists(const std::string& file);
}
}
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