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#ifndef __LINKINPUTSTREAMSMGR_H__
#define __LINKINPUTSTREAMSMGR_H__
#include "XnLinkDefs.h"
#include "XnLinkProtoLibDefs.h"
#include "XnLinkProtoUtils.h"
#include "XnLinkInputStream.h"
#include <XnStatus.h>
#include <XnHash.h>
namespace xn
{
class LinkControlEndpoint;
class IConnection;
class LinkInputStreamsMgr
{
public:
LinkInputStreamsMgr();
~LinkInputStreamsMgr();
XnStatus Init();
void Shutdown();
void RegisterStreamOfType(XnStreamType streamType, const XnChar* strCreationInfo, XnUInt16 nStreamID);
XnBool UnregisterStream(XnUInt16 nStreamID); // returns true if the unregistered stream was the last one
XnBool HasStreamOfType(XnStreamType streamType, const XnChar* strCreationInfo, XnUInt16& nStreamID);
XnStatus InitInputStream(LinkControlEndpoint* pLinkControlEndpoint,
XnStreamType streamType,
XnUInt16 nStreamID,
IConnection* pConnection);
void ShutdownInputStream(XnUInt16 nStreamID);
XnStatus HandleData(const void* pData, XnUInt32 nSize);
const LinkInputStream* GetInputStream(XnUInt16 nStreamID) const;
LinkInputStream* GetInputStream(XnUInt16 nStreamID);
XnBool HasStreams() const;
private:
void HandlePacket(const LinkPacketHeader* pLinkPacketHeader);
int FindStreamByType(XnStreamType streamType, const XnChar* strCreationInfo); //returns found streamId, or -1
static const XnUInt32 FRAG_FLAGS_ALLOWED_CHANGES[4][4];
static const XnUInt16 INITIAL_PACKET_ID;
struct StreamInfo
{
XnUInt16 nNextPacketID;
XnUInt16 nMsgType;
XnLinkFragmentation prevFragmentation;
XnStreamFragLevel streamFragLevel;
LinkInputStream* pInputStream;
XnBool packetLoss;
XnStreamType streamType;
const XnChar* strCreationInfo;
int refCount;
};
StreamInfo m_streamInfos[XN_LINK_MAX_STREAMS];
};
}
#endif // __LINKINPUTSTREAMSMGR_H__
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