HandlerStateListener.h

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/*
* Copyright Onix Solutions Limited [OnixS]. All rights reserved.
*
* This software owned by Onix Solutions Limited [OnixS] and is protected by copyright law
* and international copyright treaties.
*
* Access to and use of the software is governed by the terms of the applicable OnixS Software
* Services Agreement (the Agreement) and Customer end user license agreements granting
* a non-assignable, non-transferable and non-exclusive license to use the software
* for it's own data processing purposes under the terms defined in the Agreement.
*
* Except as otherwise granted within the terms of the Agreement, copying or reproduction of any part
* of this source code or associated reference material to any other location for further reproduction
* or redistribution, and any amendments to this copyright notice, are expressly prohibited.
*
* Any reproduction or redistribution for sale or hiring of the Software not in accordance with
* the terms of the Agreement is a violation of copyright law.
*/

#pragma once

#include <string>

#include <OnixS/SgxTitan/Trading/OUCH/ABI.h>
#include <OnixS/SgxTitan/Trading/OUCH/Bootstrap.h>

ONIXS_SGXTITAN_OUCH_NAMESPACE_BEGIN

/// Defines the state that the handler is in.
struct ONIXS_SGXTITAN_OUCH_API HandlerState
{
    /// @copydoc HandlerState
    enum Enum
    {
        Disconnected,  ///< Disconnected.
        Disconnecting, ///< Disconnecting.
        Connected,     ///< Connected.
        Connecting,    ///< Connecting
    };
};

/// Returns string representation of HandlerState value.
ONIXS_SGXTITAN_OUCH_API std::string enumToString (HandlerState::Enum);

ONIXS_SGXTITAN_OUCH_API std::ostream& operator<< (std::ostream& stream, HandlerState::Enum value);

/// Status listener.
class HandlerStateListener
{
public:
    /// Implement this member to get notifications about handler state change.
    virtual void onStateChanged (HandlerState::Enum newState) = 0;

protected:
    /// Disables public <b>delete</b> operator in the interface class.
    virtual ~HandlerStateListener () {}
};

ONIXS_SGXTITAN_OUCH_NAMESPACE_END