小平Linux内核3.x+的简单ICMP ping实现。要使用它,您需要在 /proc/sys/net/ipv4/ping_group_range
设置允许的组。我在我的logstash ping插件中使用它来执行ping:
require \"ffi\"
module TinyPing
extend FFI::Library
ffi_lib '/usr/lib64/libtinyping.so'
attach_function :init, [:int, :int], :int
attach_function :ping, [:string], :long_long
attach_function :deinit, [], :void
end
@ttl = 255
@timeout = 2
raise if TinyPing.init(@ttl, @timeout) != 0
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