fixed up priorities for all items

git-svn-id: http://svn.code.sf.net/p/retroshare/code/branches/v0.5_QoS@4521 b45a01b8-16f6-495d-af2f-9b41ad6348cc
This commit is contained in:
csoler 2011-08-03 18:47:23 +00:00
parent d69294c8bc
commit 4012c5328a
10 changed files with 139 additions and 27 deletions

View File

@ -155,7 +155,11 @@ bool pqihandler::queueOutRsItem(RsItem *item)
{
RsStackMutex stack(coreMtx); /**************** LOCKED MUTEX ****************/
in_rsItem(item) ;
#ifdef DEBUG_QOS
if(item->priority_level() == QOS_PRIORITY_UNKNOWN)
std::cerr << "Caught an unprioritized item !" << std::endl;
print() ;
#endif
return true ;

View File

@ -3,7 +3,7 @@
*
* 3P/PQI network interface for RetroShare.
*
* Copyright 2004-2008 by Cyril Soler
* Copyright 2011-2011 by Cyril Soler
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
@ -36,6 +36,8 @@
// - some RsItems are omitted. The priority is the one of the closest parent item.
// - I listed only items that are sent to friends.
//
// Item priorities are all defined in serializer/itempriorities.h
//
// +-------------------------+--------------------------------------------------+-----------------------------------------------+
// |Item type | low priority <---- --------------> high priority | Comment |
// | | | |

View File

@ -0,0 +1,71 @@
/*
* libretroshare/src/serialiser: itempriorities.h
*
* 3P/PQI network interface for RetroShare.
*
* Copyright 2011-2011 by Cyril Soler
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License Version 2 as published by the Free Software Foundation.
*
* This library 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 GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA.
*
* Please report all bugs and problems to "csoler@users.sourceforge.net"
*
*/
// This file centralises QoS priorities for all transfer RsItems.
//
const uint8_t QOS_PRIORITY_UNKNOWN = 0 ;
const uint8_t QOS_PRIORITY_DEFAULT = 3 ;
const uint8_t QOS_PRIORITY_TOP = 9 ;
// Turtle traffic
//
const uint8_t QOS_PRIORITY_RS_TURTLE_OPEN_TUNNEL = 6 ;
const uint8_t QOS_PRIORITY_RS_TURTLE_TUNNEL_OK = 6 ;
const uint8_t QOS_PRIORITY_RS_TURTLE_SEARCH_REQUEST = 5 ;
const uint8_t QOS_PRIORITY_RS_TURTLE_FILE_REQUEST = 5 ;
const uint8_t QOS_PRIORITY_RS_TURTLE_FILE_CRC_REQUEST = 5 ;
const uint8_t QOS_PRIORITY_RS_TURTLE_FILE_MAP_REQUEST = 5 ;
const uint8_t QOS_PRIORITY_RS_TURTLE_SEARCH_RESULT = 3 ;
const uint8_t QOS_PRIORITY_RS_TURTLE_FILE_DATA = 3 ;
const uint8_t QOS_PRIORITY_RS_TURTLE_FILE_CRC = 3 ;
const uint8_t QOS_PRIORITY_RS_TURTLE_FILE_MAP = 3 ;
const uint8_t QOS_PRIORITY_RS_TURTLE_GENERIC_ITEM = 3 ;
// File transfer
//
const uint8_t QOS_PRIORITY_RS_FILE_REQUEST = 5 ;
const uint8_t QOS_PRIORITY_RS_FILE_CRC_REQUEST = 5 ;
const uint8_t QOS_PRIORITY_RS_FILE_MAP_REQUEST = 5 ;
const uint8_t QOS_PRIORITY_RS_CACHE_REQUEST = 4 ;
const uint8_t QOS_PRIORITY_RS_FILE_DATA = 3 ;
const uint8_t QOS_PRIORITY_RS_FILE_CRC = 3 ;
const uint8_t QOS_PRIORITY_RS_FILE_MAP = 3 ;
const uint8_t QOS_PRIORITY_RS_CACHE_ITEM = 3 ;
// Discovery
//
const uint8_t QOS_PRIORITY_RS_DISC_HEART_BEAT = 8 ;
const uint8_t QOS_PRIORITY_RS_DISC_ASK_INFO = 2 ;
const uint8_t QOS_PRIORITY_RS_DISC_REPLY = 1 ;
const uint8_t QOS_PRIORITY_RS_DISC_VERSION = 1 ;
// Chat/Msgs
//
const uint8_t QOS_PRIORITY_RS_CHAT_ITEM = 7 ;
const uint8_t QOS_PRIORITY_RS_CHAT_AVATAR_ITEM = 2 ;
const uint8_t QOS_PRIORITY_RS_MSG_ITEM = 2 ;
const uint8_t QOS_PRIORITY_RS_STATUS_ITEM = 2 ;

View File

@ -55,7 +55,9 @@ class RsFileRequest: public RsItem
:RsItem(RS_PKT_VERSION1, RS_PKT_CLASS_BASE,
RS_PKT_TYPE_FILE,
RS_PKT_SUBTYPE_FI_REQUEST)
{ return; }
{
setPriorityLevel(QOS_PRIORITY_RS_FILE_REQUEST) ;
}
virtual ~RsFileRequest();
virtual void clear();
std::ostream &print(std::ostream &out, uint16_t indent = 0);
@ -74,7 +76,9 @@ class RsFileData: public RsItem
:RsItem(RS_PKT_VERSION1, RS_PKT_CLASS_BASE,
RS_PKT_TYPE_FILE,
RS_PKT_SUBTYPE_FI_DATA)
{ return; }
{
setPriorityLevel(QOS_PRIORITY_RS_FILE_DATA) ;
}
virtual ~RsFileData();
virtual void clear();
std::ostream &print(std::ostream &out, uint16_t indent = 0);
@ -87,7 +91,9 @@ class RsFileChunkMapRequest: public RsItem
public:
RsFileChunkMapRequest()
:RsItem(RS_PKT_VERSION1, RS_PKT_CLASS_BASE, RS_PKT_TYPE_FILE, RS_PKT_SUBTYPE_FI_CHUNK_MAP_REQUEST)
{}
{
setPriorityLevel(QOS_PRIORITY_RS_FILE_MAP_REQUEST) ;
}
virtual ~RsFileChunkMapRequest() {}
virtual void clear() {}
@ -102,7 +108,9 @@ class RsFileChunkMap: public RsItem
public:
RsFileChunkMap()
:RsItem(RS_PKT_VERSION1, RS_PKT_CLASS_BASE, RS_PKT_TYPE_FILE, RS_PKT_SUBTYPE_FI_CHUNK_MAP)
{}
{
setPriorityLevel(QOS_PRIORITY_RS_FILE_MAP) ;
}
virtual ~RsFileChunkMap() {}
virtual void clear() {}
@ -118,7 +126,9 @@ class RsFileCRC32MapRequest: public RsItem
public:
RsFileCRC32MapRequest()
:RsItem(RS_PKT_VERSION1, RS_PKT_CLASS_BASE, RS_PKT_TYPE_FILE, RS_PKT_SUBTYPE_FI_CRC32_MAP_REQUEST)
{}
{
setPriorityLevel(QOS_PRIORITY_RS_FILE_CRC_REQUEST) ;
}
virtual ~RsFileCRC32MapRequest() {}
virtual void clear() {}
@ -132,7 +142,9 @@ class RsFileCRC32Map: public RsItem
public:
RsFileCRC32Map()
:RsItem(RS_PKT_VERSION1, RS_PKT_CLASS_BASE, RS_PKT_TYPE_FILE, RS_PKT_SUBTYPE_FI_CRC32_MAP)
{}
{
setPriorityLevel(QOS_PRIORITY_RS_FILE_CRC) ;
}
virtual ~RsFileCRC32Map() {}
virtual void clear() {}
@ -190,7 +202,9 @@ class RsCacheRequest: public RsItem
:RsItem(RS_PKT_VERSION1, RS_PKT_CLASS_BASE,
RS_PKT_TYPE_CACHE,
RS_PKT_SUBTYPE_CACHE_REQUEST)
{ return; }
{
setPriorityLevel(QOS_PRIORITY_RS_CACHE_REQUEST);
}
virtual ~RsCacheRequest();
virtual void clear();
std::ostream &print(std::ostream &out, uint16_t indent = 0);
@ -209,7 +223,9 @@ class RsCacheItem: public RsItem
:RsItem(RS_PKT_VERSION1, RS_PKT_CLASS_BASE,
RS_PKT_TYPE_CACHE,
RS_PKT_SUBTYPE_CACHE_ITEM)
{ return; }
{
setPriorityLevel(QOS_PRIORITY_RS_CACHE_ITEM);
}
virtual ~RsCacheItem();
virtual void clear();
std::ostream &print(std::ostream &out, uint16_t indent = 0);

View File

@ -78,7 +78,9 @@ class RsDiscReply: public RsDiscItem
RsDiscReply()
:RsDiscItem(RS_PKT_SUBTYPE_DISC_REPLY)
{ return; }
{
setPriorityLevel(QOS_PRIORITY_RS_DISC_REPLY);
}
virtual ~RsDiscReply();
@ -107,7 +109,9 @@ class RsDiscAskInfo: public RsDiscItem
RsDiscAskInfo()
:RsDiscItem(RS_PKT_SUBTYPE_DISC_ASK_INFO)
{ return; }
{
setPriorityLevel(QOS_PRIORITY_RS_DISC_ASK_INFO);
}
virtual ~RsDiscAskInfo();
@ -121,7 +125,9 @@ class RsDiscVersion: public RsDiscItem
{
public:
RsDiscVersion() :RsDiscItem(RS_PKT_SUBTYPE_DISC_VERSION)
{ return; }
{
setPriorityLevel(QOS_PRIORITY_RS_DISC_VERSION);
}
virtual ~RsDiscVersion();
@ -135,7 +141,9 @@ class RsDiscHeartbeat: public RsDiscItem
{
public:
RsDiscHeartbeat() :RsDiscItem(RS_PKT_SUBTYPE_DISC_HEARTBEAT)
{ return; }
{
setPriorityLevel(QOS_PRIORITY_RS_DISC_HEART_BEAT) ;
}
virtual ~RsDiscHeartbeat();

View File

@ -50,7 +50,7 @@ RsItem::RsItem(uint32_t t)
:type(t)
{
_queue_type = CONTROL_QUEUE ;
_priority_level = 5 ;
_priority_level = QOS_PRIORITY_UNKNOWN ; // This value triggers PQIInterface to complain about undefined priorities
}
#ifdef DO_STATISTICS
@ -117,8 +117,8 @@ void RsItem::operator delete(void *p,size_t s)
RsItem::RsItem(uint8_t ver, uint8_t cls, uint8_t t, uint8_t subtype)
{
_priority_level = 5 ;
_queue_type = CONTROL_QUEUE ;
_priority_level = QOS_PRIORITY_UNKNOWN ; // This value triggers PQIInterface to complain about undefined priorities
type = (ver << 24) + (cls << 16) + (t << 8) + subtype;
}
@ -161,7 +161,7 @@ uint8_t RsItem::PacketSubType()
RsItem::RsItem(uint8_t ver, uint16_t service, uint8_t subtype)
{
_queue_type = CONTROL_QUEUE ;
_priority_level = 5 ;
_priority_level = QOS_PRIORITY_UNKNOWN ; // This value triggers PQIInterface to complain about undefined priorities
type = (ver << 24) + (service << 8) + subtype;
return;
}

View File

@ -57,6 +57,7 @@
******************************************************************/
#include <util/smallobject.h>
#include "itempriorities.h"
const uint8_t RS_PKT_VERSION1 = 0x01;
const uint8_t RS_PKT_VERSION_SERVICE = 0x02;

View File

@ -200,6 +200,7 @@ RsRawItem *p3Service::send()
{
raw->PeerId(si->PeerId());
raw->setQueueType(si->queueType()) ;
assert(si->priority_level() != QOS_PRIORITY_UNKNOWN) ;
raw->setPriorityLevel(si->priority_level()) ;
}

View File

@ -557,6 +557,7 @@ bool RsTurtleSearchResultItem::serialize(void *data,uint32_t& pktsize)
RsTurtleFileMapItem::RsTurtleFileMapItem(void *data,uint32_t pktsize)
: RsTurtleGenericTunnelItem(RS_TURTLE_SUBTYPE_FILE_MAP)
{
setPriorityLevel(QOS_PRIORITY_RS_TURTLE_FILE_MAP) ;
#ifdef P3TURTLE_DEBUG
std::cerr << " type = file map item" << std::endl ;
#endif
@ -588,6 +589,7 @@ RsTurtleFileMapItem::RsTurtleFileMapItem(void *data,uint32_t pktsize)
RsTurtleFileMapRequestItem::RsTurtleFileMapRequestItem(void *data,uint32_t pktsize)
: RsTurtleGenericTunnelItem(RS_TURTLE_SUBTYPE_FILE_MAP_REQUEST)
{
setPriorityLevel(QOS_PRIORITY_RS_TURTLE_FILE_MAP_REQUEST) ;
#ifdef P3TURTLE_DEBUG
std::cerr << " type = file map request item" << std::endl ;
#endif
@ -611,6 +613,7 @@ RsTurtleFileMapRequestItem::RsTurtleFileMapRequestItem(void *data,uint32_t pktsi
RsTurtleFileCrcItem::RsTurtleFileCrcItem(void *data,uint32_t pktsize)
: RsTurtleGenericTunnelItem(RS_TURTLE_SUBTYPE_FILE_CRC)
{
setPriorityLevel(QOS_PRIORITY_RS_TURTLE_FILE_CRC) ;
#ifdef P3TURTLE_DEBUG
std::cerr << " type = file map item" << std::endl ;
#endif
@ -645,6 +648,7 @@ RsTurtleFileCrcItem::RsTurtleFileCrcItem(void *data,uint32_t pktsize)
RsTurtleFileCrcRequestItem::RsTurtleFileCrcRequestItem(void *data,uint32_t pktsize)
: RsTurtleGenericTunnelItem(RS_TURTLE_SUBTYPE_FILE_CRC_REQUEST)
{
setPriorityLevel(QOS_PRIORITY_RS_TURTLE_FILE_CRC_REQUEST) ;
#ifdef P3TURTLE_DEBUG
std::cerr << " type = file map request item" << std::endl ;
#endif
@ -667,6 +671,7 @@ RsTurtleFileCrcRequestItem::RsTurtleFileCrcRequestItem(void *data,uint32_t pktsi
RsTurtleSearchResultItem::RsTurtleSearchResultItem(void *data,uint32_t pktsize)
: RsTurtleItem(RS_TURTLE_SUBTYPE_SEARCH_RESULT)
{
setPriorityLevel(QOS_PRIORITY_RS_TURTLE_SEARCH_RESULT) ;
#ifdef P3TURTLE_DEBUG
std::cerr << " type = search result" << std::endl ;
#endif
@ -745,6 +750,7 @@ bool RsTurtleOpenTunnelItem::serialize(void *data,uint32_t& pktsize)
RsTurtleOpenTunnelItem::RsTurtleOpenTunnelItem(void *data,uint32_t pktsize)
: RsTurtleItem(RS_TURTLE_SUBTYPE_OPEN_TUNNEL)
{
setPriorityLevel(QOS_PRIORITY_RS_TURTLE_OPEN_TUNNEL) ;
#ifdef P3TURTLE_DEBUG
std::cerr << " type = open tunnel" << std::endl ;
#endif
@ -808,6 +814,7 @@ bool RsTurtleTunnelOkItem::serialize(void *data,uint32_t& pktsize)
RsTurtleTunnelOkItem::RsTurtleTunnelOkItem(void *data,uint32_t pktsize)
: RsTurtleItem(RS_TURTLE_SUBTYPE_TUNNEL_OK)
{
setPriorityLevel(QOS_PRIORITY_RS_TURTLE_TUNNEL_OK) ;
#ifdef P3TURTLE_DEBUG
std::cerr << " type = tunnel ok" << std::endl ;
#endif
@ -870,6 +877,7 @@ bool RsTurtleFileRequestItem::serialize(void *data,uint32_t& pktsize)
RsTurtleFileRequestItem::RsTurtleFileRequestItem(void *data,uint32_t pktsize)
: RsTurtleGenericTunnelItem(RS_TURTLE_SUBTYPE_FILE_REQUEST)
{
setPriorityLevel(QOS_PRIORITY_RS_TURTLE_FILE_REQUEST) ;
#ifdef P3TURTLE_DEBUG
std::cerr << " type = file request" << std::endl ;
#endif
@ -903,6 +911,7 @@ RsTurtleFileDataItem::~RsTurtleFileDataItem()
RsTurtleFileDataItem::RsTurtleFileDataItem(void *data,uint32_t pktsize)
: RsTurtleGenericTunnelItem(RS_TURTLE_SUBTYPE_FILE_DATA)
{
setPriorityLevel(QOS_PRIORITY_RS_TURTLE_FILE_DATA) ;
#ifdef P3TURTLE_DEBUG
std::cerr << " type = file request" << std::endl ;
#endif

View File

@ -46,7 +46,7 @@ class RsTurtleItem: public RsItem
class RsTurtleSearchResultItem: public RsTurtleItem
{
public:
RsTurtleSearchResultItem() : RsTurtleItem(RS_TURTLE_SUBTYPE_SEARCH_RESULT) {}
RsTurtleSearchResultItem() : RsTurtleItem(RS_TURTLE_SUBTYPE_SEARCH_RESULT) { setPriorityLevel(QOS_PRIORITY_RS_TURTLE_SEARCH_RESULT) ;}
RsTurtleSearchResultItem(void *data,uint32_t size) ; // deserialization
TurtleSearchRequestId request_id ; // Randomly generated request id.
@ -67,7 +67,7 @@ class RsTurtleSearchResultItem: public RsTurtleItem
class RsTurtleSearchRequestItem: public RsTurtleItem
{
public:
RsTurtleSearchRequestItem(uint32_t subtype) : RsTurtleItem(subtype) {}
RsTurtleSearchRequestItem(uint32_t subtype) : RsTurtleItem(subtype) { setPriorityLevel(QOS_PRIORITY_RS_TURTLE_SEARCH_REQUEST) ;}
virtual RsTurtleSearchRequestItem *clone() const = 0 ; // used for cloning in routing methods
virtual void performLocalSearch(std::list<TurtleFileInfo>&) const = 0 ; // abstracts the search method
@ -117,7 +117,7 @@ class RsTurtleRegExpSearchRequestItem: public RsTurtleSearchRequestItem
class RsTurtleOpenTunnelItem: public RsTurtleItem
{
public:
RsTurtleOpenTunnelItem() : RsTurtleItem(RS_TURTLE_SUBTYPE_OPEN_TUNNEL) {}
RsTurtleOpenTunnelItem() : RsTurtleItem(RS_TURTLE_SUBTYPE_OPEN_TUNNEL) { setPriorityLevel(QOS_PRIORITY_RS_TURTLE_OPEN_TUNNEL) ;}
RsTurtleOpenTunnelItem(void *data,uint32_t size) ; // deserialization
TurtleFileHash file_hash ; // hash to match
@ -135,7 +135,7 @@ class RsTurtleOpenTunnelItem: public RsTurtleItem
class RsTurtleTunnelOkItem: public RsTurtleItem
{
public:
RsTurtleTunnelOkItem() : RsTurtleItem(RS_TURTLE_SUBTYPE_TUNNEL_OK) {}
RsTurtleTunnelOkItem() : RsTurtleItem(RS_TURTLE_SUBTYPE_TUNNEL_OK) { setPriorityLevel(QOS_PRIORITY_RS_TURTLE_TUNNEL_OK) ;}
RsTurtleTunnelOkItem(void *data,uint32_t size) ; // deserialization
uint32_t tunnel_id ; // id of the tunnel. Should be identical for a tunnel between two same peers for the same hash.
@ -155,7 +155,7 @@ class RsTurtleTunnelOkItem: public RsTurtleItem
class RsTurtleGenericTunnelItem: public RsTurtleItem
{
public:
RsTurtleGenericTunnelItem(uint8_t sub_packet_id) : RsTurtleItem(sub_packet_id) {}
RsTurtleGenericTunnelItem(uint8_t sub_packet_id) : RsTurtleItem(sub_packet_id) { setPriorityLevel(QOS_PRIORITY_RS_TURTLE_GENERIC_ITEM);}
typedef uint32_t Direction ;
static const Direction DIRECTION_CLIENT = 0x001 ;
@ -188,7 +188,7 @@ class RsTurtleGenericTunnelItem: public RsTurtleItem
class RsTurtleFileRequestItem: public RsTurtleGenericTunnelItem
{
public:
RsTurtleFileRequestItem() : RsTurtleGenericTunnelItem(RS_TURTLE_SUBTYPE_FILE_REQUEST) {}
RsTurtleFileRequestItem() : RsTurtleGenericTunnelItem(RS_TURTLE_SUBTYPE_FILE_REQUEST) { setPriorityLevel(QOS_PRIORITY_RS_TURTLE_FILE_REQUEST);}
RsTurtleFileRequestItem(void *data,uint32_t size) ; // deserialization
virtual bool shouldStampTunnel() const { return false ; }
@ -208,7 +208,7 @@ class RsTurtleFileRequestItem: public RsTurtleGenericTunnelItem
class RsTurtleFileDataItem: public RsTurtleGenericTunnelItem
{
public:
RsTurtleFileDataItem() : RsTurtleGenericTunnelItem(RS_TURTLE_SUBTYPE_FILE_DATA) {}
RsTurtleFileDataItem() : RsTurtleGenericTunnelItem(RS_TURTLE_SUBTYPE_FILE_DATA) { setPriorityLevel(QOS_PRIORITY_RS_TURTLE_FILE_DATA) ;}
~RsTurtleFileDataItem() ;
RsTurtleFileDataItem(void *data,uint32_t size) ; // deserialization
@ -230,7 +230,7 @@ class RsTurtleFileDataItem: public RsTurtleGenericTunnelItem
class RsTurtleFileMapRequestItem: public RsTurtleGenericTunnelItem
{
public:
RsTurtleFileMapRequestItem() : RsTurtleGenericTunnelItem(RS_TURTLE_SUBTYPE_FILE_MAP_REQUEST) {}
RsTurtleFileMapRequestItem() : RsTurtleGenericTunnelItem(RS_TURTLE_SUBTYPE_FILE_MAP_REQUEST) { setPriorityLevel(QOS_PRIORITY_RS_TURTLE_FILE_MAP_REQUEST) ;}
RsTurtleFileMapRequestItem(void *data,uint32_t size) ; // deserialization
virtual bool shouldStampTunnel() const { return false ; }
@ -250,7 +250,7 @@ class RsTurtleFileMapRequestItem: public RsTurtleGenericTunnelItem
class RsTurtleFileMapItem: public RsTurtleGenericTunnelItem
{
public:
RsTurtleFileMapItem() : RsTurtleGenericTunnelItem(RS_TURTLE_SUBTYPE_FILE_MAP) {}
RsTurtleFileMapItem() : RsTurtleGenericTunnelItem(RS_TURTLE_SUBTYPE_FILE_MAP) { setPriorityLevel(QOS_PRIORITY_RS_TURTLE_FILE_MAP) ;}
RsTurtleFileMapItem(void *data,uint32_t size) ; // deserialization
virtual bool shouldStampTunnel() const { return false ; }
@ -274,7 +274,7 @@ class RsTurtleFileMapItem: public RsTurtleGenericTunnelItem
class RsTurtleFileCrcRequestItem: public RsTurtleGenericTunnelItem
{
public:
RsTurtleFileCrcRequestItem() : RsTurtleGenericTunnelItem(RS_TURTLE_SUBTYPE_FILE_CRC_REQUEST) {}
RsTurtleFileCrcRequestItem() : RsTurtleGenericTunnelItem(RS_TURTLE_SUBTYPE_FILE_CRC_REQUEST) { setPriorityLevel(QOS_PRIORITY_RS_FILE_CRC_REQUEST);}
RsTurtleFileCrcRequestItem(void *data,uint32_t size) ; // deserialization
virtual bool shouldStampTunnel() const { return false ; }
@ -296,7 +296,7 @@ class RsTurtleFileCrcRequestItem: public RsTurtleGenericTunnelItem
class RsTurtleFileCrcItem: public RsTurtleGenericTunnelItem
{
public:
RsTurtleFileCrcItem() : RsTurtleGenericTunnelItem(RS_TURTLE_SUBTYPE_FILE_CRC) {}
RsTurtleFileCrcItem() : RsTurtleGenericTunnelItem(RS_TURTLE_SUBTYPE_FILE_CRC) { setPriorityLevel(QOS_PRIORITY_RS_FILE_CRC);}
RsTurtleFileCrcItem(void *data,uint32_t size) ; // deserialization
virtual bool shouldStampTunnel() const { return true ; }