Reference

ubus.lua

#!/usr/bin/env eco

local ubus = require 'eco.ubus'
local time = require 'eco.time'

local function handle_event(ev, msg, con)
    print('got event:', ev)
end

local methods = {
    echo = {
        function(req, msg, con)
            if type(msg.text) ~= 'string' then
                return ubus.STATUS_INVALID_ARGUMENT
            end
            con:reply(req, msg)
        end, { text = ubus.STRING, x = ubus.INT32 }
    },
    defer = {
        function(req, msg, con)
            time.sleep(1)
            con:reply(req, { message = 'deferred reply' })
        end
    }
}

local con, err = ubus.connect(nil, true)
if not con then
    error('connect fail:' .. err)
end

con:listen('*', handle_event)

time.at(1, function()
    ubus.send('test', { a = 1 })
end)

local obj, err = con:add('eco', methods)
if not obj then
    error('add fail: ' .. err)
end

time.at(1, function()
    local res = ubus.call('eco', 'echo', { text = 'hello' })
    print('call eco.echo:', res.text)

    res = ubus.call('eco', 'defer')
    print('call eco.defer:', res.message)
end)
lua-eco

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ubus.lua
