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--!A cross-platform build utility based on Lua
--
-- Licensed to the Apache Software Foundation (ASF) under one
-- or more contributor license agreements. See the NOTICE file
-- distributed with this work for additional information
-- regarding copyright ownership. The ASF licenses this file
-- to you 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.
--
-- Copyright (C) 2015 - 2017, TBOOX Open Source Group.
--
-- @author ruki
-- @file ping.lua
--
-- imports
import("detect.tools.find_ping")
-- send ping to hosts
--
-- @param ... the hosts
--
-- @return the time or -1
--
function main(...)
-- find ping
local ping = find_ping()
if not ping then
return {}
end
-- run tasks
local hosts = {...}
local results = {}
process.runjobs(function (index)
local host = hosts[index]
if host then
try
{
function ()
-- ping it
local data = nil
if os.host() == "windows" then
data = os.iorun("%s -n 1 %s", ping, host)
else
data = os.iorun("%s -c 1 %s", ping, host)
end
-- find time
local time = data:match("time=(.-)ms", 1, true)
if time then
results[host] = tonumber(time:trim())
end
end
}
end
end, #hosts)
-- ok?
return results
end
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