/*************************************************************************
【文件名】				DevSpan.h
【功能模块和目的】		数字中继通道管理类头文件
【开发者及日期】		郑石诺 2015/03/09
【版本】				V1.0.0
【版权信息】			Copyright (C)2015 河南华谊网络科技有限公司
【更改记录】        
*************************************************************************/
#pragma once

#include "DevResource.h"
#include "SpanChannel.h"
#include "MC.h"

/*************************************************************************
【类名】				CDevSpan
【功能】				
【接口说明】			数字中继通道管理类
【开发者及日期】		郑石诺 2015/03/09
【版本】				V1.0.0
【版权信息】			Copyright (C)2015 河南华谊网络科技有限公司
【更改记录】        
*************************************************************************/
class CDevSpan : public CDevResource
{
private:
	class CSpan
	{
	public:
		CSpan(void) : m_CurPos(0)		{}
		~CSpan(void)	{}

		int channelCount(void) const		{ return m_SpanChList.GetCount(); }
		int open(DEV_RES_NO_TYPE NodeNo, DEV_RES_NO_TYPE BoardNo, DEV_RES_NO_TYPE SpanNo)
		{
			m_CurPos = 0;
			for(int i = 1; i < 31; i++)
			{
				CSpanChannel* pChannel = new CSpanChannel(i, SpanNo, NodeNo, BoardNo);
				ASSERT(pChannel != NULL);
				if(pChannel != NULL)
				{
					if(pChannel->open())		
					{
						m_SpanChList.Add(pChannel);
						CMC::GetInstance().onDevResCreate(pChannel->id());
					}
					else 
						delete pChannel;
				}
			}

			return m_SpanChList.GetCount();
		}
		void close(void)
		{
			for(int i = 0; i < m_SpanChList.GetCount(); ++i)
			{
				CSpanChannel* pChannel = m_SpanChList[i];
				ASSERT(pChannel != NULL);
				CMC::GetInstance().onDevResDestroy(pChannel->id());
				pChannel->close();
				delete pChannel;
			}
			m_SpanChList.RemoveAll();

			m_CurPos = 0;
		}
		CSpanChannel* getFreeSpanCh(void)
		{
			for(int i = 0; i < m_SpanChList.GetCount(); ++i)	// 保证遍历一轮
			{
				if(m_CurPos >= m_SpanChList.GetCount())
					m_CurPos = 0;

				CSpanChannel* pChannel = m_SpanChList[m_CurPos++];
				ASSERT(pChannel != NULL);

				// 当前外线是否空闲
				if(pChannel->isValid() && pChannel->isFree())
					return pChannel;
			}

			return NULL;
		}
		CSpanChannel* findChan(int ResId)
		{
			if(ResId > 0 && ResId < 31)
				return m_SpanChList[ResId - 1];
			else
				return NULL;
		}

	private:
		CArray<CSpanChannel*, CSpanChannel*> m_SpanChList;
		int m_CurPos;
	};

public:
	CDevSpan(DEV_RES_NO_TYPE NodeNo, DEV_RES_NO_TYPE BoardNo);
	virtual ~CDevSpan(void);

	MIX_CAP mixCapacity(void) const		{ return m_MixCap; }
	int channelCount(void) const		{ return m_ChannelCount; }
	bool open(void)						{ return false; }
	bool open(DEV_RES_NO_TYPE SpanNo);
	void close(void);
	void close(DEV_RES_NO_TYPE SpanNo);
	bool isOk(void) const;
	CSpanChannel* getFreeSpanCh(void);
	CSpanChannel* getFreeSpanCh(int SpanNo);
	CSpanChannel* findChan(DEV_RES_NO_TYPE SpanNo, int ResId);

private:
	bool __openMix(MIX_TYPE MixTp);
	CDevSpan::CSpan* __getSpan(DEV_RES_NO_TYPE SpanNo, bool NewWhenNull = false);
	bool __freeSpan(DEV_RES_NO_TYPE SpanNo);
	void __freeSpan(void);

private:
	MIX_CAP m_MixCap;
	int m_ChannelCount;
	CArray<CSpan*, CSpan*> m_SpanList;
};