ichattransport.h

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/********************************************************************************************
* Twitch Broadcasting SDK
*
* This software is supplied under the terms of a license agreement with Twitch Interactive, Inc. and
* may not be copied or used except in accordance with the terms of that agreement
* Copyright (c) 2012-2016 Twitch Interactive, Inc.
*********************************************************************************************/

#pragma once

namespace ttv
{
    namespace chat
    {
        class IChatTransportReader;
        class IChatTransport;
    }
}


class ttv::chat::IChatTransportReader
{
public:
    virtual ~IChatTransportReader();
    virtual void OnConnect(TTV_ErrorCode hr, const char* error) = 0;
    virtual void OnError(TTV_ErrorCode hr) = 0;
    virtual void OnClose() = 0;
    virtual void OnRead(const char* pData, size_t nSize) = 0;
};


class ttv::chat::IChatTransport
{
public:
    static const uint32_t kMaxIrcTextLength = 2048; 
    static const uint32_t kMaxIrcTagsLength = 4096; 
    static const uint32_t kMaxBufferSize = kMaxIrcTextLength + kMaxIrcTagsLength;

public:
    virtual ~IChatTransport();
    virtual TTV_ErrorCode Connect(const std::string& uri) = 0;
    virtual TTV_ErrorCode Close() = 0;
    virtual bool IsOpen() = 0;

    virtual void SetReader(std::shared_ptr<IChatTransportReader> reader) = 0;
    virtual TTV_ErrorCode Write(const char* pData, size_t nSize) = 0;
    virtual TTV_ErrorCode ProcessIncomingEvent(bool& handled) = 0;
};