ostinato/common/ip4.h

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#ifndef _IPV4_H
#define _IPV4_H
#include "abstractprotocol.h"
#include "ip4.pb.h"
#include "ui_ip4.h"
#define IP_FLAG_MF 0x1
#define IP_FLAG_DF 0x2
#define IP_FLAG_UNUSED 0x4
class Ip4ConfigForm : public QWidget, public Ui::ip4
{
Q_OBJECT
public:
Ip4ConfigForm(QWidget *parent = 0);
Major rewrite of the protocol framework - changes not yet complete Common ------ - Change in OstProto - Individual protocols are now extensions of (new) message 'Protocol' instead of 'Stream' - Stream now contains a repeated Protocol which also determines the ordered set of currently selected protocols; StreamCore.frame_proto which was doing this earlier has been removed - Change in AbstractProtocol Interface - Parent changed to StreamBase - Corresponding change in constructor and factory func - createInstance() - new method protocolNumber() - returns unique id for each protocol - protoDataCopyInto/From() now copies into OstProto::Protocol instead of OstProto::Stream - Change in all subclasses of AbstractProtocol to match new interface - For all protocols, configFrom is no longer static, but each protocol has its own configForm - configForm creation is lazy - configForm is still a child of the protocol i.e. it will be destroyed alongwith the protocol - TODO: convert configWidget() to a pure factory function i.e. the protocol does not own the configForm - this requires us to pass the widget into load/storeConfigWidget() methods - ProtocolCollection class removed alongwith its .h and .cpp - ProtocolList class redefined to serve the purpose of ProtocolCollection - New class ProtocolListIterator defined to iterate ProtocolList - AbstractProtocol methods now use the ProtocolListIterator - Factory function createProtocol() added to ProtocolManager - OstProto::StreamCore accessor functions moved from Stream to StreamBase Server ------ - MyService uses the newly moved accessors to StreamBase for OstProto::StreamCore members - StreamInfo now uses the protocols to create the packet Client ------ - StreamConfigDialog now uses ProtocolListIterator - So does PacketModel
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~Ip4ConfigForm();
private slots:
void on_cmbIpSrcAddrMode_currentIndexChanged(int index);
void on_cmbIpDstAddrMode_currentIndexChanged(int index);
};
class Ip4Protocol : public AbstractProtocol
{
private:
OstProto::Ip4 data;
Major rewrite of the protocol framework - changes not yet complete Common ------ - Change in OstProto - Individual protocols are now extensions of (new) message 'Protocol' instead of 'Stream' - Stream now contains a repeated Protocol which also determines the ordered set of currently selected protocols; StreamCore.frame_proto which was doing this earlier has been removed - Change in AbstractProtocol Interface - Parent changed to StreamBase - Corresponding change in constructor and factory func - createInstance() - new method protocolNumber() - returns unique id for each protocol - protoDataCopyInto/From() now copies into OstProto::Protocol instead of OstProto::Stream - Change in all subclasses of AbstractProtocol to match new interface - For all protocols, configFrom is no longer static, but each protocol has its own configForm - configForm creation is lazy - configForm is still a child of the protocol i.e. it will be destroyed alongwith the protocol - TODO: convert configWidget() to a pure factory function i.e. the protocol does not own the configForm - this requires us to pass the widget into load/storeConfigWidget() methods - ProtocolCollection class removed alongwith its .h and .cpp - ProtocolList class redefined to serve the purpose of ProtocolCollection - New class ProtocolListIterator defined to iterate ProtocolList - AbstractProtocol methods now use the ProtocolListIterator - Factory function createProtocol() added to ProtocolManager - OstProto::StreamCore accessor functions moved from Stream to StreamBase Server ------ - MyService uses the newly moved accessors to StreamBase for OstProto::StreamCore members - StreamInfo now uses the protocols to create the packet Client ------ - StreamConfigDialog now uses ProtocolListIterator - So does PacketModel
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Ip4ConfigForm *configForm;
enum ip4field
{
ip4_ver = 0,
ip4_hdrLen,
ip4_tos,
ip4_totLen,
ip4_id,
ip4_flags,
ip4_fragOfs,
ip4_ttl,
ip4_proto,
ip4_cksum,
ip4_srcAddr,
ip4_dstAddr,
ip4_isOverrideVer,
ip4_isOverrideHdrLen,
ip4_isOverrideTotLen,
ip4_isOverrideCksum,
ip4_srcAddrMode,
ip4_srcAddrCount,
ip4_srcAddrMask,
ip4_dstAddrMode,
ip4_dstAddrCount,
ip4_dstAddrMask,
ip4_fieldCount
};
public:
Protocol Framework related -------------------------- - AbstractProtocol Constructor and Factory function now take an optional (default NULL) "parent" abstract protocol in addition to the stream; this "parent" protocol is non-NULL for protocols which are aggregated in a ComboProtocol - All subclasses of AbstractProtocol modified as per the above interface change - ProtocolManager also modifed as per the above interface change - new data members in AbstractProtocol - prev, next; the AbstractProtocol implementation now uses these members to traverse protocols on the list instead of ProtocolListIterator; this change required for ComboProtocol - ProtocolListIterator updates these new members - prev/next on insert/remove/replace - ComboProtocol and ProtocolListIterator classes made friends of AbstractProtocol - ComboProtocol implemented as a template class (completed) - Dot2LLc implemented as a combo of Dot3Raw and LLC - Dot2Snap implemented as a combo of Dot2Llc and SNAP - VlanStack implemented as a combo of VLAN + VLAN - ProtocolManager now uses the ProtocolId enums rather than hardcoded values Stream Config Dialog -------------------- - "None" radio button added to all protocol levels - Protocol Level 1 added with 'mac' as the only valid protocol in the "simple" mode widget - With Dot2Llc, Dot2Snap and VlanStack implemented as "combo" protocols, the protocol choice radiobuttons in the "simple" mode are now 1:1 with a protocol; this has the following implications/advantages: - Updates of the "simple" mode widget from/to stream's protocolList is simpler; this code has now been rewritten to take advantage of 1:1 - This paves the way for exporting tunneled protocols 4over4, 4over6, 6over4 etc. in the "simple" mode - This should also (hopefully) require less changes when adding a new protocol; more work needs to be done to reach this goal Fixes ----- - Dot3Protocol now derives "length" correctly for VLAN tagged packets - StreamBase now uses the ProtocolListIterator to append the default protocols in a stream instead of directly manipulating ProtocolList; also in protoDataCopyFrom() Others (Client/Server) ---------------------- - Port Packet Capture implemented; "view capture" is pending (hack put in place now for testing)
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Ip4Protocol(StreamBase *stream, AbstractProtocol *parent = 0);
virtual ~Ip4Protocol();
Protocol Framework related -------------------------- - AbstractProtocol Constructor and Factory function now take an optional (default NULL) "parent" abstract protocol in addition to the stream; this "parent" protocol is non-NULL for protocols which are aggregated in a ComboProtocol - All subclasses of AbstractProtocol modified as per the above interface change - ProtocolManager also modifed as per the above interface change - new data members in AbstractProtocol - prev, next; the AbstractProtocol implementation now uses these members to traverse protocols on the list instead of ProtocolListIterator; this change required for ComboProtocol - ProtocolListIterator updates these new members - prev/next on insert/remove/replace - ComboProtocol and ProtocolListIterator classes made friends of AbstractProtocol - ComboProtocol implemented as a template class (completed) - Dot2LLc implemented as a combo of Dot3Raw and LLC - Dot2Snap implemented as a combo of Dot2Llc and SNAP - VlanStack implemented as a combo of VLAN + VLAN - ProtocolManager now uses the ProtocolId enums rather than hardcoded values Stream Config Dialog -------------------- - "None" radio button added to all protocol levels - Protocol Level 1 added with 'mac' as the only valid protocol in the "simple" mode widget - With Dot2Llc, Dot2Snap and VlanStack implemented as "combo" protocols, the protocol choice radiobuttons in the "simple" mode are now 1:1 with a protocol; this has the following implications/advantages: - Updates of the "simple" mode widget from/to stream's protocolList is simpler; this code has now been rewritten to take advantage of 1:1 - This paves the way for exporting tunneled protocols 4over4, 4over6, 6over4 etc. in the "simple" mode - This should also (hopefully) require less changes when adding a new protocol; more work needs to be done to reach this goal Fixes ----- - Dot3Protocol now derives "length" correctly for VLAN tagged packets - StreamBase now uses the ProtocolListIterator to append the default protocols in a stream instead of directly manipulating ProtocolList; also in protoDataCopyFrom() Others (Client/Server) ---------------------- - Port Packet Capture implemented; "view capture" is pending (hack put in place now for testing)
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static AbstractProtocol* createInstance(StreamBase *stream,
AbstractProtocol *parent = 0);
Major rewrite of the protocol framework - changes not yet complete Common ------ - Change in OstProto - Individual protocols are now extensions of (new) message 'Protocol' instead of 'Stream' - Stream now contains a repeated Protocol which also determines the ordered set of currently selected protocols; StreamCore.frame_proto which was doing this earlier has been removed - Change in AbstractProtocol Interface - Parent changed to StreamBase - Corresponding change in constructor and factory func - createInstance() - new method protocolNumber() - returns unique id for each protocol - protoDataCopyInto/From() now copies into OstProto::Protocol instead of OstProto::Stream - Change in all subclasses of AbstractProtocol to match new interface - For all protocols, configFrom is no longer static, but each protocol has its own configForm - configForm creation is lazy - configForm is still a child of the protocol i.e. it will be destroyed alongwith the protocol - TODO: convert configWidget() to a pure factory function i.e. the protocol does not own the configForm - this requires us to pass the widget into load/storeConfigWidget() methods - ProtocolCollection class removed alongwith its .h and .cpp - ProtocolList class redefined to serve the purpose of ProtocolCollection - New class ProtocolListIterator defined to iterate ProtocolList - AbstractProtocol methods now use the ProtocolListIterator - Factory function createProtocol() added to ProtocolManager - OstProto::StreamCore accessor functions moved from Stream to StreamBase Server ------ - MyService uses the newly moved accessors to StreamBase for OstProto::StreamCore members - StreamInfo now uses the protocols to create the packet Client ------ - StreamConfigDialog now uses ProtocolListIterator - So does PacketModel
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virtual quint32 protocolNumber() const;
Major rewrite of the protocol framework - changes not yet complete Common ------ - Change in OstProto - Individual protocols are now extensions of (new) message 'Protocol' instead of 'Stream' - Stream now contains a repeated Protocol which also determines the ordered set of currently selected protocols; StreamCore.frame_proto which was doing this earlier has been removed - Change in AbstractProtocol Interface - Parent changed to StreamBase - Corresponding change in constructor and factory func - createInstance() - new method protocolNumber() - returns unique id for each protocol - protoDataCopyInto/From() now copies into OstProto::Protocol instead of OstProto::Stream - Change in all subclasses of AbstractProtocol to match new interface - For all protocols, configFrom is no longer static, but each protocol has its own configForm - configForm creation is lazy - configForm is still a child of the protocol i.e. it will be destroyed alongwith the protocol - TODO: convert configWidget() to a pure factory function i.e. the protocol does not own the configForm - this requires us to pass the widget into load/storeConfigWidget() methods - ProtocolCollection class removed alongwith its .h and .cpp - ProtocolList class redefined to serve the purpose of ProtocolCollection - New class ProtocolListIterator defined to iterate ProtocolList - AbstractProtocol methods now use the ProtocolListIterator - Factory function createProtocol() added to ProtocolManager - OstProto::StreamCore accessor functions moved from Stream to StreamBase Server ------ - MyService uses the newly moved accessors to StreamBase for OstProto::StreamCore members - StreamInfo now uses the protocols to create the packet Client ------ - StreamConfigDialog now uses ProtocolListIterator - So does PacketModel
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virtual void protoDataCopyInto(OstProto::Protocol &protocol) const;
virtual void protoDataCopyFrom(const OstProto::Protocol &protocol);
virtual QString name() const;
virtual QString shortName() const;
Refactoring, optimization et. al. --------------------------------- - StreamConfigDialog: Valid subsequent protocol choices for a particular protocol in the simple protocol selection widget is no longer hardcoded - ProtocolManager is queried for validitity of each pair of possible protocols; signal-slot connections are made accordingly. This refactoring makes it easier to add a protocol to the simple protocol selection widget - ProtocolManager: populates and maintains a database of valid 'neighbour protocols' and implements a method - isValidNeighbour() to query the same for a pair of protocols - AbstractProtocol: new method protocolIdType() introduced to build the above database (in conjunction with the existing method protocolId(ProtocolIdType)); default implementation returns ProtocolIdNone - Protocols which include a valid/supported ProtocolIdType (eth/llc/ip) reimplement protocolIdType() to return the apporpirate ProtocolIdType. These are viz. - combo - eth - llc - snap - ip - Speed optimization while populating streamqueues if the protocolFrameValue/Size() does not vary across packets - AbstractProtocol: new methods to support the above optimization - isProtocolFrameValueVariable() - isProtocolFrameSizeVariable() - isProtocolFramePayloadValueVariable() - isProtocolFramePayloadSizeVariable() (each of the default implementations returns false indicating that the protocol frame value or frame size is fixed and not variable) - Protocols which support variable values/size (list follows) reimplement the above methods appropriately - combo - mac - dot3 - ip4 - tcp - udp - payload - StreamInfo::makePacket() moved to base class as StreamBase::frameValue() - StreamBase: all 'get' accessor functions made 'const' - class ProtocolManager: while registering a protocol, no need to pass the protocol name; ProtocolManager finds it out internally by using the protocol's shortName() method Fixes ----- - Fixed issue with port capture not starting the first time 'start capture' was clicked
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virtual ProtocolIdType protocolIdType() const;
virtual quint32 protocolId(ProtocolIdType type) const;
virtual int fieldCount() const;
virtual AbstractProtocol::FieldFlags fieldFlags(int index) const;
virtual QVariant fieldData(int index, FieldAttrib attrib,
int streamIndex = 0) const;
virtual bool setFieldData(int index, const QVariant &value,
FieldAttrib attrib = FieldValue);
Refactoring, optimization et. al. --------------------------------- - StreamConfigDialog: Valid subsequent protocol choices for a particular protocol in the simple protocol selection widget is no longer hardcoded - ProtocolManager is queried for validitity of each pair of possible protocols; signal-slot connections are made accordingly. This refactoring makes it easier to add a protocol to the simple protocol selection widget - ProtocolManager: populates and maintains a database of valid 'neighbour protocols' and implements a method - isValidNeighbour() to query the same for a pair of protocols - AbstractProtocol: new method protocolIdType() introduced to build the above database (in conjunction with the existing method protocolId(ProtocolIdType)); default implementation returns ProtocolIdNone - Protocols which include a valid/supported ProtocolIdType (eth/llc/ip) reimplement protocolIdType() to return the apporpirate ProtocolIdType. These are viz. - combo - eth - llc - snap - ip - Speed optimization while populating streamqueues if the protocolFrameValue/Size() does not vary across packets - AbstractProtocol: new methods to support the above optimization - isProtocolFrameValueVariable() - isProtocolFrameSizeVariable() - isProtocolFramePayloadValueVariable() - isProtocolFramePayloadSizeVariable() (each of the default implementations returns false indicating that the protocol frame value or frame size is fixed and not variable) - Protocols which support variable values/size (list follows) reimplement the above methods appropriately - combo - mac - dot3 - ip4 - tcp - udp - payload - StreamInfo::makePacket() moved to base class as StreamBase::frameValue() - StreamBase: all 'get' accessor functions made 'const' - class ProtocolManager: while registering a protocol, no need to pass the protocol name; ProtocolManager finds it out internally by using the protocol's shortName() method Fixes ----- - Fixed issue with port capture not starting the first time 'start capture' was clicked
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virtual bool isProtocolFrameValueVariable() const;
virtual quint32 protocolFrameCksum(int streamIndex = 0,
CksumType cksumType = CksumIp) const;
virtual QWidget* configWidget();
virtual void loadConfigWidget();
virtual void storeConfigWidget();
};
#endif