ercoap - New Coap Protocol Parsing Library

Adaptation status unknown

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Tip

This library has its own demo,click this link to view the demo example of ercoap

ercoap.parse(data)

Parsing coap packets

Parameters

Incoming Value Type	Explanation
string	coap Packet

Return Value

return value type	explanation
table	Returns table on success, otherwise nil

Examples

-- This function is to parse coap packets
local rcoap = ercoap.parse(data)
if rcoap then
    log.info("coap", rcoap.type, rcoap.code, rcoap.payload)
    -- rcoap Properties
    -- type Message type, 0 - CON needs reply, 1 - NON does not need reply, 2-ACK has been received, 3-RST error
    -- msgid Message id
    -- payload Data carried
    -- code Similar to http's statue code, 2xx is normal and 4xx is wrong.
else
    log.info("ercoap", "Packet parsing failed")
end

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ercoap.print(data)

print coap packets

Parameters

Incoming Value Type	Explanation
string	coap Packet

Return Value

return value type	explanation
boolean	Parse successfully returned true

Examples

-- This function simply prints the coap packet

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ercoap.onenet(tp, product_id, device_name, token, payload)

Quickly generate onenet packets

Parameters

Incoming Value Type	Explanation
string	The request type, which is optional when it is a reply, and is required in other situations.
string	the project id must be filled in.
string	Device name, must be filled in
string	token,Must be filled in
string	object model json string, optional

Return Value

return value type	explanation
string	The synthesized data packet can be uplink through UDP

Examples

-- Reference Document: coap access https://open.iot.10086.cn/doc/v5/fuse/detail/924
-- Reference documentation: The things model https://open.iot.10086.cn/doc/v5/fuse/detail/902

-- Type tp value token source payload
-- login iotauth.onenet function generates none
-- Heartbeat keep_live iotauth.onenet function generates none
-- logout iotauth.onenet function generates none
-- When the attribute is reported to thing/property/post login,
-- The property must be obtained when replying to thing/property/reply login.
-- When an event is reported to thing/event/post login,
-- The remote call reply must be obtained when there is no login.

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