DataChannel messages

Messages are sent as JSON objects, with a mandatory key "type" which defines the message internal structure. pckt := map[string]interface{}{ "type": "klv", "packetTime": 0, "klvs": klvs, }

type	Description
"klv"	Klv data packet
"state"	Channel state (online, lost, offline)
"msg"	Message packet

Klv data packet

Klv data packet example

{
    "type": "klv",
    "packetTime": 0,
    "klvs":  {
        "2": 1348087840159239,
        "3": "MISSION01",
        "13": 60.176822967,
        "14": 128.426759042,
        "15": 14190.72,
        "16": 144.5713,
        "65": 13,
        "1": 53482
    }     
}

State packet

type	Description
Online	Stream is online.
Timeout	Stream timeout. Stream is not present for "timeout" arg period
Offline	Stream lost. Stream is not present for "offlineAfter" arg period
DemoExpired	Demo expired.

Note. Timeout and Offline states are only reported for multicast streams.

Message packet example

{
    "type": "state",
    "state": "Timeout"     
}

Message packet

Message packet example

{
    "type": "msg",
    "msg": "Demo expired"     
}