示例-订阅mosiac数据

local log = require("log")
local json = require("json")
local http = require("http")

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--[[
    示例，订阅mosiac数据
]]
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local prog_name  = "订阅mosiac数据"            --程序名称，日志
local object_id  = "OBJ3014355407xx"     --设备ID(需要设定)


function run()
    --订阅马赛克事件
    pub2mmq:send(json.encode({["event"] = "recv_fv",["object_id"] = object_id}))

    local exit = false
    while (exit == false) do
        channel.select({ "|<-", mmq_resp, mosaic_handler }, { "|<-", mmq_stop, function(ok, data)
            exit = true
        end })
    end
end

function mosaic_handler(ok, data)
    req = json.decode(data)
    show("接收到数据"..object_id, req)
end

function show(msg, info)
    local str_info = ""
    if type(info) == "table" then
        str_info = json.encode(info)
    elseif type(info) == "nil" then
        str_info = ""
    else
        str_info = tostring(info)
    end
    msg = "prog_name："..prog_name..";object_id："..object_id .. ";[" .. os.date("%Y-%m-%d %H:%M:%S") .. "];" .. msg
    log.info(msg ..";" .. str_info)
    --log.info(json_info)
end

----===============------
run()