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/**
* 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/base/status.h"
#include "mongo/dbtests/mock/mock_dbclient_connection.h"
#include "mongo/dbtests/mock/mock_remote_db_server.h"
#include "mongo/stdx/unordered_map.h"
#include "mongo/util/concurrency/mutex.h"
namespace mongo {
/**
* Registry for storing mock servers and can create mock connections to these
* servers.
*/
class MockConnRegistry {
public:
/**
* Initializes the static instance.
*/
static Status init();
/**
* @return the singleton registry. If this needs to be called before main(),
* then the initializer method should depend on "MockConnRegistry".
*/
static MockConnRegistry* get();
/**
* Adds a server to this registry.
*
* @param server the server to add. Caller is responsible for disposing
* the server.
*/
void addServer(MockRemoteDBServer* server);
/**
* Removes the server from this registry.
*
* @param hostName the host name of the server to remove.
*
* @return true if the server is in the registry and was removed.
*/
bool removeServer(const std::string& hostName);
/**
* Clears the registry.
*/
void clear();
/**
* @return a new mocked connection to a server with the given hostName.
*/
std::unique_ptr<MockDBClientConnection> connect(const std::string& hostName);
/**
* @return the hook that can be used with ConnectionString.
*/
ConnectionString::ConnectionHook* getConnStrHook();
private:
class MockConnHook : public ConnectionString::ConnectionHook {
public:
/**
* Creates a new connection hook for the ConnectionString class that
* can create mock connections to mock replica set members using their
* pseudo host names.
*
* @param replSet the mock replica set. Caller is responsible for managing
* replSet and making sure that it lives longer than this object.
*/
MockConnHook(MockConnRegistry* registry);
~MockConnHook();
std::unique_ptr<mongo::DBClientBase> connect(const mongo::ConnectionString& connString,
std::string& errmsg,
double socketTimeout);
private:
MockConnRegistry* _registry;
};
MockConnRegistry();
static std::unique_ptr<MockConnRegistry> _instance;
MockConnHook _mockConnStrHook;
// protects _registry
stdx::mutex _registryMutex;
stdx::unordered_map<std::string, MockRemoteDBServer*> _registry;
};
} // namespace mongo
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