def fetch_interfaces(sigar)
iface = Mash.new
net_counters = Mash.new
sigar.net_interface_list.each do |cint|
iface[cint] = Mash.new
if cint =~ /^(\w+)(\d+.*)/
iface[cint][:type] = $1
iface[cint][:number] = $2
end
ifconfig = sigar.net_interface_config(cint)
iface[cint][:encapsulation] = sigar_encaps_lookup(ifconfig.type)
iface[cint][:addresses] = Mash.new
if (ifconfig.flags & Sigar::IFF_LOOPBACK) == 0
iface[cint][:addresses][ifconfig.hwaddr] = { "family" => "lladdr" }
end
if ifconfig.address != "0.0.0.0"
iface[cint][:addresses][ifconfig.address] = { "family" => "inet" }
if (((ifconfig.flags & Sigar::IFF_POINTOPOINT) == 0) &&
((ifconfig.flags & Sigar::IFF_LOOPBACK) == 0))
iface[cint][:addresses][ifconfig.address]["broadcast"] = ifconfig.broadcast
end
iface[cint][:addresses][ifconfig.address]["netmask"] = ifconfig.netmask
end
if ifconfig.prefix6_length != 0
iface[cint][:addresses][ifconfig.address6] = { "family" => "inet6" }
iface[cint][:addresses][ifconfig.address6]["prefixlen"] = ifconfig.prefix6_length.to_s
iface[cint][:addresses][ifconfig.address6]["scope"] = Sigar.net_scope_to_s(ifconfig.scope6)
end
iface[cint][:flags] = Sigar.net_interface_flags_to_s(ifconfig.flags).split(' ')
iface[cint][:mtu] = ifconfig.mtu.to_s
iface[cint][:queuelen] = ifconfig.tx_queue_len.to_s
net_counters[cint] = Mash.new unless net_counters[cint]
if (!cint.include?(":"))
ifstat = sigar.net_interface_stat(cint)
net_counters[cint][:rx] = { "packets" => ifstat.rx_packets.to_s, "errors" => ifstat.rx_errors.to_s,
"drop" => ifstat.rx_dropped.to_s, "overrun" => ifstat.rx_overruns.to_s,
"frame" => ifstat.rx_frame.to_s, "bytes" => ifstat.rx_bytes.to_s }
net_counters[cint][:tx] = { "packets" => ifstat.tx_packets.to_s, "errors" => ifstat.tx_errors.to_s,
"drop" => ifstat.tx_dropped.to_s, "overrun" => ifstat.tx_overruns.to_s,
"carrier" => ifstat.tx_carrier.to_s, "collisions" => ifstat.tx_collisions.to_s,
"bytes" => ifstat.tx_bytes.to_s }
end
end
begin
sigar.arp_list.each do |arp|
next unless iface[arp.ifname]
iface[arp.ifname][:arp] = Mash.new unless iface[arp.ifname][:arp]
iface[arp.ifname][:arp][arp.address] = arp.hwaddr
end
rescue
end
[iface, net_counters]
end