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#
# Copyright (c) 2007 Hyperic, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
require 'rbsigar'
require 'socket'
#XXX this example is incomplete wrt:
#../../java/src/org/hyperic/sigar/cmd/Netstat.java
is_numeric = false
flags = Sigar::NETCONN_CLIENT|Sigar::NETCONN_SERVER
flags |= Sigar::NETCONN_TCP
def format_port(sigar, proto, port, is_numeric)
if port == 0
return "*"
end
if !is_numeric
service = sigar.net_services_name(proto, port)
if service != nil
return service
end
end
port.to_s
end
def format_address(sigar, proto, ip, portnum, is_numeric)
port = format_port(sigar, proto, portnum, is_numeric)
address = ""
if ip == "0.0.0.0" || ip == "::"
address = "*"
elsif is_numeric
address = ip.to_s
else
begin
name = Socket.gethostbyname(ip)
address = name[0]
rescue SocketError
address = ip.to_s
end
end
return address + ":" + port
end
sigar = Sigar.new
connections = sigar.net_connection_list(flags)
puts "Proto\tLocal Address\tForeign Address\tState"
connections.each do |conn|
proto = Sigar.net_connection_type_to_s(conn.type)
state = Sigar.net_connection_state_to_s(conn.state)
local = format_address(sigar, conn.type, conn.local_address, conn.local_port, is_numeric)
remote = format_address(sigar, conn.type, conn.remote_address, conn.remote_port, is_numeric)
puts proto + "\t" + local + "\t" + remote + "\t" + state
end
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