mirror of https://github.com/aredn/aredn.git
131 lines
3.2 KiB
Lua
Executable File
131 lines
3.2 KiB
Lua
Executable File
#!/usr/bin/lua
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--[[
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Part of AREDN -- Used for creating Amateur Radio Emergency Data Networks
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Copyright (C) 2022-2023 Tim Wilkinson
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See Contributors file for additional contributors
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation version 3 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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Additional Terms:
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Additional use restrictions exist on the AREDN(TM) trademark and logo.
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See AREDNLicense.txt for more info.
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Attributions to the AREDN Project must be retained in the source code.
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If importing this code into a new or existing project attribution
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to the AREDN project must be added to the source code.
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You must not misrepresent the origin of the material contained within.
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Modified versions must be modified to attribute to the original source
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and be marked in reasonable ways as differentiate it from the original
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version
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--]]
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require("uci")
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require("aredn.services")
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local cursor = uci.cursor()
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-- Current nameservice state
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local ns = cursor:get_all("olsrd", "nameservice")
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if not ns then
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print("Missing nameservice")
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return
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end
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local cnames = {}
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for _, name in ipairs(ns.name)
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do
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cnames[name] = true
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end
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local chosts = {}
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for _, iphost in ipairs(ns.hosts or {})
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do
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chosts[iphost] = true
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end
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local cservices = {}
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for _, service in ipairs(ns.service or {})
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do
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cservices[service] = true
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end
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-- Work out the differences between the validated state and the current state
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local names, hosts, services = aredn.services.get(true)
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local nnames = false
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for _, name in ipairs(names)
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do
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if cnames[name] then
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cnames[name] = nil
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else
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nnames = true
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end
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end
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local nhosts = false
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for _, host in ipairs(hosts)
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do
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local iphost = host.ip .. " " .. host.host
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if chosts[iphost] then
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chosts[iphost] = nil
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else
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nhosts = true
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end
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end
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local nservices = false
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for _, service in ipairs(services)
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do
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if cservices[service] then
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cservices[service] = nil
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else
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nservices = true
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end
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end
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function not_empty(h)
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for _, _ in pairs(h)
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do
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return true
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end
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return false
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end
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local change = false
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-- Apply the changes
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if nnames or not_empty(cnames) then
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cursor:set("olsrd", "nameservice", "name", names)
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change = true
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end
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if nhosts or not_empty(chosts) then
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for i, host in ipairs(hosts)
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do
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hosts[i] = host.ip .. " " .. host.host
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end
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cursor:set("olsrd", "nameservice", "hosts", hosts)
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change = true
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end
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if nservices or not_empty(cservices) then
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cursor:set("olsrd", "nameservice", "service", services)
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change = true
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end
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-- If services have changed we need to restart olsrd
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if change then
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cursor:commit("olsrd")
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print("Change")
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os.execute("/usr/local/bin/restart-services.sh --force olsrd")
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else
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print("Unchange")
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end
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