72 lines
1.9 KiB
Ruby
72 lines
1.9 KiB
Ruby
#
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# Copyright (c) 2007 Hyperic, Inc.
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# Copyright (c) 2010 VMware, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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require 'sigar'
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require 'socket'
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#XXX this example is incomplete wrt:
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#../../java/src/org/hyperic/sigar/cmd/Netstat.java
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is_numeric = false
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flags = Sigar::NETCONN_CLIENT|Sigar::NETCONN_SERVER
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flags |= Sigar::NETCONN_TCP
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def format_port(sigar, proto, port, is_numeric)
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if port == 0
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return "*"
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end
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if !is_numeric
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service = sigar.net_services_name(proto, port)
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if service != nil
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return service
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end
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end
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port.to_s
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end
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def format_address(sigar, proto, ip, portnum, is_numeric)
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port = format_port(sigar, proto, portnum, is_numeric)
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address = ""
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if ip == "0.0.0.0" || ip == "::"
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address = "*"
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elsif is_numeric
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address = ip.to_s
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else
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begin
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name = Socket.gethostbyname(ip)
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address = name[0]
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rescue SocketError
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address = ip.to_s
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end
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end
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return address + ":" + port
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end
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sigar = Sigar.new
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connections = sigar.net_connection_list(flags)
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puts "Proto\tLocal Address\tForeign Address\tState"
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connections.each do |conn|
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proto = Sigar.net_connection_type_to_s(conn.type)
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state = Sigar.net_connection_state_to_s(conn.state)
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local = format_address(sigar, conn.type, conn.local_address, conn.local_port, is_numeric)
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remote = format_address(sigar, conn.type, conn.remote_address, conn.remote_port, is_numeric)
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puts proto + "\t" + local + "\t" + remote + "\t" + state
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end
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