#compdef ping ping6

local variant
local -a args

_pick_variant -r variant iputils=iputils $OSTYPE -V
              
case ${variant}:${${service#ping}:-4} in
  iputils*) args=( -A "-*" ) ;|
  *)
    args+=(
      '-d[set SO_DEBUG on the socket]'
      '-n[show network addresses as numbers]'
      '-v[verbose output]'
    )
  ;|
  iputils*|aix*|*bsd*|darwin*|dragonfly*)
    args+=(
      '-c+[specify number of packets to send]:count'
      '-f[flood ping]'
      '-i+[specify delay between packets]:interval (seconds) [1]'
      '-l+[send specified number of initial packets as fast as possible]:number of packets'
      '-p+[specify pad bytes to fill sent packet with]:padding pattern'
      '-q[quiet]'
      '-s+[specify packet size]:size (bytes) [56]'
    )
  ;|
  iputils:*|solaris:*|(*bsd|darwin|dragonfly)*:4)
    args+=(
      '-L[disable loopback of multicast packets]'
      '-R[record route]'
    )
  ;|
  iputils:*|solaris:*|((free|net)bsd|darwin|dragonfly)*:4)
    args+=( '-r[bypass normal routing tables]' )
  ;|
  (iputils|freebsd<13->.*):*|(freebsd<-12>.|netbsd|darwin|dragonfly)*:4)
    args+=( '-a[audible bell for each packet]' )
  ;|
  iputils:*|netbsd*:4|openbsd*)
    args+=( '-w+[specify timeout after which ping exits]:deadline (seconds)' )
  ;|
  iputils:*|openbsd*:4|solaris*)
    args+=(
      '-t+[set IP Time to Live for outgoing packets]:ttl'
    )
  ;|
  (*bsd|darwin|dragonfly)*)
    args+=( '-I+[specify source interface for multicast packets]:interface:_net_interfaces' )
  ;|
  freebsd<13->.*|openbsd*)
    args+=( '-H[try reverse-lookups of addresses]' )
  ;|
  freebsd*|darwin*|dragonfly*|netbsd*:6)
    args+=( '-S+[specify source address]:source address' )
  ;|
  freebsd*|darwin*|dragonfly*:4|netbsd*:4)
    args+=( '-o[exit after receiving one packet]' )
  ;|
  (*bsd|darwin|dragonfly)*:4)
    args+=( "-D[set the don't fragment bit]" )
  ;|
  (freebsd|openbsd|darwin)*:6)
    args+=( '-D[disable IPv6 fragmentation]' )
  ;|
  ((free|net)bsd|darwin|dragonfly)*:4)
    args+=( '-Q[somewhat quiet]')
  ;|
  freebsd<-12>.*:6|darwin*:6|solaris*|netbsd*)
    args+=(
      '*-g+[specify gateway to use as the next hop to the destination]:gateway:_hosts'
    )
  ;|
  (*bsd|darwin|dragonfly)*:6)
    args+=( '-h+[set the IPv6 hoplimit]:hop limit' )
  ;|
  ((free|net)bsd|darwin|dragonfly)*:6)
    args+=(
      '-b+[set socket buffer size]:buffer size'
      '-N[probe node information multicast group address]'
    )
  ;|
  (freebsd<-12>.|netbsd|darwin|dragonfly)*:6)
    args+=(
      '-a+[generate ICMPv6 Node Information Node Addresses query]:address type:(a c g s l A)'
      '-H[try reverse-lookups of IPv6 addresses]'
      '(-s)-t[generate ICMPv6 Node Information supported query types query]'
      '(-s)-w[generate ICMPv6 Node Information DNS Name query]' '!(-s)-W'
    )
  ;|
  (*bsd|darwin)*:6)
    args+=( '*-m[suppress fragmenting of packets into the minimum IPv6 MTU]' )
  ;|
  freebsd*|darwin*|netbsd*:6)
    args+=( '-P+[specify IPsec policy to be used for the probe]:policy' )
  ;|
  solaris2.<11->)
    args+=(
      '-b[bypass global IPsec policy and send and receive packets in the clear]'
      '-N+[specify a next-hop router that the probe packet should go through]:router:_hosts'
    )
  ;|
  freebsd<13->.*:6|(freebsd|darwin|dragonfly)*:4)
    args+=(
      '-A[audible bell for no packet]'
      '-t+[specify timeout after which ping exits]:deadline (seconds)'
      '-W+[specify time to wait for a response]:wait time (ms)'
    )
  ;|
  (freebsd|darwin|dragonfly)*:4)
    args+=(
      '-G+[specify maximum size for ICMP payload for sweeping pings]:size'
      '-g+[specify minimum size for ICMP payload for sweeping pings]:size [0]'
      '-h+[specify size increment for ICMP payload for sweeping pings]:size [1]'
      '-M+[use ICMP_MASKREQ or ICMP_TSTAMP instead of ICMP_ECHO]:ICMP:(mask time)'
      '-m+[set IP Time to Live for outgoing packets]:ttl'
      '-T+[set IP Time to Live for multicasted packets]:ttl'
      '-z+[specify type of service]:type of service'
    )
  ;|
  (freebsd<-12>.*|darwin*):6)
    args+=(
      '-R[audible bell for no packet]'
      '-r[audible bell for each packet]'
    )
  ;|
  (iputils|freebsd<13->.*):4)
    args+=(
      '(-F -N)-4[use IPv4 only]'
      '-6[use IPv6 only]'
    )
  ;|
  freebsd<13->.*:4)
    args+=(
      '-C+[add an 802.1p Ethernet Priority Code Point when sending a packet]:pcp:(-1 0 1 2 3 4 5 6 7)'
    )
  ;|
  freebsd<13->.*:6)
    args+=(
      '*-e+[specify gateway to use as the next hop to the destination]:gateway:_hosts'
      '-k+[generate ICMPv6 Node Information Node Addresses query]:address type:(a c g s l A)'
      '(-s)-O[generate ICMPv6 Node Information supported query types query]'
      '*-u[suppress fragmentation to minimum MTU]'
      '(-s)-Y[generate ICMPv6 Node Information DNS Name query with old packet format]'
      '(-s)-y[generate ICMPv6 Node Information DNS Name query]'
      '-E[enable transport-mode IPsec encapsulated security payload]'
      '-Z[enables transport-mode IPsec authentication header]'
    )
  ;|
  freebsd<-12>.*:6)
    args+=(
      '-x+[specify time to wait for a response]:wait time (ms)'
      '-X+[specify timeout after which ping exits]:deadline (seconds)'
    )
  ;;
  netbsd*:4)
    args+=(
      '-C[send timestamps in compat format]'
      '-E+[specify IPsec policy to be used for the probe]:policy'
      '-h+[specify target host]:host:_hosts'
      '-P+[use a pseudo-random sequence for the data]'
      '-T+[set IP Time to Live for outgoing packets]:ttl'
      '-t+[specify type of service]:type of service'
    )
  ;;
  (dragonfly|netbsd)*:6)
    args+=( '-R[inject reachability confirmation hint for target host/first hop]' )
  ;;
  darwin*:4)
    args+=( '-b+[bind the socket to specified interface for sending]:interface:_net_interfaces')
  ;|
  darwin*:6)
    args+=(
      '-B+[bind the socket to specified interface for sending]:interface:_net_interfaces'
      '-G+[specify max,min,increment size for ICMP payload for sweeping pings]:max,min,incr (default min=0 incr=1)'
      '-z+[specify traffic class]:traffic class'
    )
  ;|
  darwin*)
    args+=(
      '-C[prohibit socket from using cellular network interface]'
      '-K+[specify network service type for sending ICMP packets]:serviece type:(BK_SYS BK BE RV AV RD OAM VI SIG VO)'
      '-k+[specify traffic class to use for sending ICMP packets]:traffic class [CTL]:(BK_SYS BK BE RD OAM AV RV VI VO CTL)'
      '--apple-connect[connects the socket to the destination address]'
      '--apple-time[prints the time a packet was received]'
    )
  ;;
  openbsd*)
    args+=(
      '-E[audible bell for no packet]'
      '-e[audible bell for each packet]'
      '-g[provide a visual display of packets received and lost]'
      '-T+[change TOS value]:TOS value:(critical inetcontrol lowdelay netcontrol throughput reliability ef af cs)'
      '-V+[specify routing table to be used]:routing table'
    )
  ;;
  iputils:*)
    args+=(
      '-A[adaptive]'
      '-b[allow pinging a broadcast address]'
      "-B[don't allow ping to change source address]"
      '-D[print timestamp before each line]'
      '(-4)-F+[allocate and set 20-bit flow label]:flow label (hex)'
      '(-)-h[show usage information]'
      '-I+[specify source interface]:interface:_net_interfaces'
      '-m+[specify mark to tag outgoing packets]:mark'
      "-M+[specify path MTU discovery strategy]:strategy:((
        do\:prohibit\ fragmentation,\ even\ local\ one
	want\:do\ PMTU\ discovery
	dont\:don\'t\ set\ DF\ flag))"
      '(-4)-N+[send ICMPv6 node information queries instead of echo request]:sub option'
      '-O[report outstanding ICMP ECHO reply before sending next packet]'
      '-Q+[set Quality of Service-related bits in ICMP datagrams]:QoS TOS bits'
      '-S+[set socket sndbuf]:sndbuf'
      '-T+[set special IP timestamp options]:timestamp option:(tsonly tsandaddr tsprespec)'
      '-U[print full user-to-user latency]'
      '(-)-V[display version information]'
      '-W+[specify time to wait for a response]:wait time (seconds)'
    )
  ;;
  solaris*)
    args+=(
      '-A+[specify address family]:address family:(inet inet6)'
      '-F+[specify the flow label of probe packets]:number'
      '-I+[specify delay between packets]:interval (seconds) [1]'
      '-P+[specify type of service]:type of service (0-255) [0]'
      '-U[send UDP packets instead of ICMP]'
      '-a[ping all addresses, both IPv4 and IPv6 of multihomed destination]'
      '-c+[specify the traffic class of probe packets]:traffic class (0-255)'
      '-i+[specify source interface]:interface:_net_interfaces'
      '-l[send the probe using loose source routing]'
      '-p+[set base UDP port]:port [33434]'
      '-s[send one datagram per second and collect statistics]'
    )
  ;;
esac

_arguments -s -S $args \
  '*:host:_hosts'