ConnectionControlBase.h Source File¶

Simu5G: ConnectionControlBase.h Source File
Simu5G
//
//                  Simu5G
//
// Authors: Andras Varga (OpenSim Ltd)
//
// This file is part of a software released under the license included in file
// "license.pdf". Please read LICENSE and README files before using it.
// The above files and the present reference are part of the software itself,
// and cannot be removed from it.
//
 
#ifndef _CONNECTIONCONTROLBASE_H_
#define _CONNECTIONCONTROLBASE_H_
 
#include <inet/common/packet/Packet.h>
 
#include "simu5g/common/LteCommon.h"
#include "simu5g/common/QfiRuleSet.h"
#include "simu5g/stack/rrc/DrbDesc.h"
 
namespace simu5g {
struct UeCapabilities
{
    bool d2d = false;   // the leg can take part in D2D (sidelink) communication
};
class ConnectionControlBase : public omnetpp::cSimpleModule
{
  public:
    // ---- requests from the node's own data path and RRC ----
 
    // The data path found no bearer for a flow of the given session of the UE that it
    // classified: establish one whose properties come from the session's bearer
    // definition the packet matches (Ip2Nic; see ConnectionControlEnb::establishBearer()).
    // Returns the bearer's DRB id.
    virtual DrbId establishBearer(const FlowId& flow, SessionId session, const FlowBindingKey& key, const inet::Packet *pkt) = 0;
 
    // Establish the bearer of a flow whose DRB the requester already knows (SDAP's
    // mapped-but-not-established case, and the static definitions). Returns the DRB id.
    virtual DrbId establishBearer(const FlowId& flow, const BearerRequest& req) = 0;
 
    // The DRB an unmapped QFI of the given session resolves to at the given UE,
    // materializing an on-demand definition's bearer on first use; DRBID_NONE if
    // nothing covers it (SDAP). A QFI identifies a QoS flow within a session.
    virtual DrbId resolveDrbForQfi(MacNodeId ueNodeId, SessionId session, Qfi qfi) = 0;
 
    // A bearer of this node was torn down: its DRB id returns to its pool where this
    // node owns the pool (BearerManagement)
    virtual void bearerReleased(DrbKey bearer) = 0;
 
    // The node joined a multicast group (Registration; legacy sidelink multicast)
    virtual void multicastGroupJoined(MacNodeId nodeId, MacNodeId groupId) = 0;
 
    // A radio link of this node failed, as its RLC detected it and after the node
    // released its own end (BearerManagement): the stack with the given id (a UE leg,
    // or the base station itself) lost its link to the peer, which is told through
    // its control-plane entry point, so that it releases its end the same way
    virtual void radioLinkFailure(MacNodeId localId, MacNodeId peerId) = 0;
 
    // ---- bearer installation, from the control plane of another node ----
    // The group a 3GPP RRCReconfiguration carries at once; each forwards to the
    // node's BearerManagement. Kept as several calls in this round.
 
    virtual void configureDrb(const DrbDesc& drb) = 0;
    virtual void createIncomingConnection(const FlowId& flow, const BearerRequest& req, bool withPdcp) = 0;
    virtual void createOutgoingConnection(const FlowId& flow, const BearerRequest& req, bool withPdcp) = 0;
    virtual void setUplinkQfiRules(QfiRuleSet&& rules) = 0;
};
 
} //namespace
 
#endif