def GetInPcb()

in tools/lldbmacros/net.py [0:0]
121 lines of code
49 McCabe index (conditional complexity)

def GetInPcb(pcb, proto):
    out_string = ""
    out_string += hex(pcb)

    if (proto == IPPROTO_TCP):
        out_string +=  " tcp"
    elif (proto == IPPROTO_UDP):
        out_string += " udp"
    elif (proto == IPPROTO_RAW):
        out_string += " raw"
    else:
        out_string += str(proto) +  "."

    if (pcb.inp_vflag & INP_IPV4):
        out_string += "4 "
    if (pcb.inp_vflag & INP_IPV6):
        out_string += "6 "

    if (pcb.inp_vflag & INP_IPV4):
        out_string += "                                       "
        out_string += GetInAddrAsString(addressof(pcb.inp_dependladdr.inp46_local.ia46_addr4))
    else:
        out_string += "  "
        out_string += GetIn6AddrAsString((pcb.inp_dependladdr.inp6_local.__u6_addr.__u6_addr8))

    out_string += " "
    out_string += Getntohs(pcb.inp_lport)
    out_string += " "

    if (pcb.inp_vflag & INP_IPV4):
        out_string += "                                 "
        out_string += GetInAddrAsString(addressof(pcb.inp_dependfaddr.inp46_foreign.ia46_addr4))
    else:
        out_string += GetIn6AddrAsString((pcb.inp_dependfaddr.inp6_foreign.__u6_addr.__u6_addr8))

    out_string += " "
    out_string += Getntohs(pcb.inp_fport)
    out_string += " "

    if (proto == IPPROTO_TCP):
        out_string += GetTcpState(pcb.inp_ppcb)

    out_string += "\n\t"
    if (pcb.inp_flags & INP_RECVOPTS):
        out_string += "recvopts "
    if (pcb.inp_flags & INP_RECVRETOPTS):
        out_string += "recvretopts "
    if (pcb.inp_flags & INP_RECVDSTADDR):
        out_string += "recvdstaddr "
    if (pcb.inp_flags & INP_HDRINCL):
        out_string += "hdrincl "
    if (pcb.inp_flags & INP_HIGHPORT):
        out_string += "highport "
    if (pcb.inp_flags & INP_LOWPORT):
        out_string += "lowport "
    if (pcb.inp_flags & INP_ANONPORT):
        out_string += "anonport "
    if (pcb.inp_flags & INP_RECVIF):
        out_string += "recvif "
    if (pcb.inp_flags & INP_MTUDISC):
        out_string += "mtudisc "
    if (pcb.inp_flags & INP_STRIPHDR):
        out_string += "striphdr "
    if (pcb.inp_flags & INP_RECV_ANYIF):
        out_string += "recv_anyif "
    if (pcb.inp_flags & INP_INADDR_ANY):
        out_string += "inaddr_any "
    if (pcb.inp_flags & INP_RECVTTL):
        out_string += "recvttl "
    if (pcb.inp_flags & INP_UDP_NOCKSUM):
        out_string += "nocksum "
    if (pcb.inp_flags & INP_BOUND_IF):
        out_string += "boundif "
    if (pcb.inp_flags & IN6P_IPV6_V6ONLY):
        out_string += "v6only "
    if (pcb.inp_flags & IN6P_PKTINFO):
        out_string += "pktinfo "
    if (pcb.inp_flags & IN6P_HOPLIMIT):
        out_string += "hoplimit "
    if (pcb.inp_flags & IN6P_HOPOPTS):
        out_string += "hopopts "
    if (pcb.inp_flags & IN6P_DSTOPTS):
        out_string += "dstopts "
    if (pcb.inp_flags & IN6P_RTHDR):
        out_string += "rthdr "
    if (pcb.inp_flags & IN6P_RTHDRDSTOPTS):
        out_string += "rthdrdstopts "
    if (pcb.inp_flags & IN6P_TCLASS):
        out_string += "rcv_tclass "
    if (pcb.inp_flags & IN6P_AUTOFLOWLABEL):
        out_string += "autoflowlabel "
    if (pcb.inp_flags & IN6P_BINDV6ONLY):
        out_string += "bindv6only "
    if (pcb.inp_flags & IN6P_RFC2292):
        out_string += "RFC2292 "
    if (pcb.inp_flags & IN6P_MTU):
        out_string += "rcv_pmtu "
    if (pcb.inp_flags & INP_PKTINFO):
        out_string += "pktinfo "
    if (pcb.inp_flags & INP_FLOW_SUSPENDED):
        out_string += "suspended "
    if (pcb.inp_flags & INP_NO_IFT_CELLULAR):
        out_string += "nocellular "
    if (pcb.inp_flags & INP_FLOW_CONTROLLED):
        out_string += "flowctld "
    if (pcb.inp_flags & INP_FC_FEEDBACK):
        out_string += "fcfeedback "
    if (pcb.inp_flags2 & INP2_TIMEWAIT):
        out_string += "timewait "
    if (pcb.inp_flags2 & INP2_IN_FCTREE):
        out_string += "in_fctree "
    if (pcb.inp_flags2 & INP2_WANT_APP_POLICY):
        out_string += "want_app_policy "

    out_string += "\n\t"
    so = pcb.inp_socket
    if (so != 0):
        out_string += "so=" + str(so) + " s=" + str(int(so.so_snd.sb_cc)) + " r=" + str(int(so.so_rcv.sb_cc))
        if proto == IPPROTO_TCP :
            tcpcb = cast(pcb.inp_ppcb, 'tcpcb *')
            out_string += " reass=" + str(int(tcpcb.t_reassqlen))

        out_string += " usecnt=" + str(int(so.so_usecount)) + ", "

    if (pcb.inp_state == 0 or pcb.inp_state == INPCB_STATE_INUSE):
        out_string += "inuse"
    else:
        if (pcb.inp_state == INPCB_STATE_DEAD):
            out_string += "dead"
        else:
            out_string += "unknown (" + str(int(pcb.inp_state)) + ")"

    return out_string