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--!A cross-platform build utility based on Lua
--
-- 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.
--
-- Copyright (C) 2015-present, Xmake Open Source Community.
--
-- @author ruki
-- @file fasturl.lua
--
-- imports
import("ping")
-- http[s]://xxx.com[:1234]/.. or [email protected]:xxx/xxx.git
function _parse_host(url)
_g._URLHOSTS = _g._URLHOSTS or {}
local host = _g._URLHOSTS[url] or url:match("://([^/:]+)") or url:match("@(.-):")
_g._URLHOSTS[url] = host
return host
end
-- add urls to the ping queue for later sorting
--
-- @param urls the urls array to add
--
function add(urls)
local pinginfo = _g._PINGINFO or {}
_g._PINGHOSTS = _g._PINGHOSTS or {}
for _, url in ipairs(urls) do
local host = _parse_host(url)
if host and not pinginfo[host] then
table.insert(_g._PINGHOSTS, host)
end
end
end
-- sort urls by network latency (fastest first)
--
-- @param urls the urls array to sort
-- @return the sorted urls array
--
function sort(urls)
-- ping hosts
local pinghosts = table.unique(_g._PINGHOSTS or {})
if pinghosts and #pinghosts > 0 then
local pinginfo = ping(pinghosts)
_g._PINGINFO = table.join(_g._PINGINFO or {}, pinginfo)
end
-- sort urls by the ping info
local pinginfo = _g._PINGINFO or {}
table.sort(urls, function(a, b)
a = pinginfo[_parse_host(a) or ""] or 65536
b = pinginfo[_parse_host(b) or ""] or 65536
return a < b
end)
_g._PINGHOSTS = {}
return urls
end
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