Commands:

get                    performs a GET request
put                    performs a PUT request
post                   performs a POST request
delete                 performs a DELETE request
在这里，我们用coap://vs0.inf.ethz.ch/来作一个简单的测试

coap get coap://vs0.inf.ethz.ch/
(2.05)  ************************************************************
I-D
测试一下现在的最小的物联网系统CoAP版

coap get coap://iot-coap.phodal.com/id/1
(2.05)  [{"id":1,"value":"is id 1","sensors1":19,"sensors2":20}]

2.libcoap

2.1　Windows libcoap安装

使用预先编译好的 libcoap 镜像：

$ docker run -it --rm --name libcoap --network host heeejianbo/my-libcoap:1.0

通过在其中运行 coap-client 命令，我们可以查看当前使用的 CoAP 客户端版本：

$ coap-client
coap-client v4.3.1 -- a small CoAP implementation
Copyright (C) 2010-2022 Olaf Bergmann <bergmann@tzi.org> and others

Build: v4.3.1-4-g02b7647
TLS Library: OpenSSL - runtime 1.1.1t, libcoap built for 1.1.1t
(DTLS and TLS support; PSK, PKI, PKCS11, and no RPK support)

3.emqx的coap网关测试

3.1 PubSub 模式

发布消息

使用 coap-client 向 test/topic 发布消息进行测试：
coap-client -m post -e "Hello, CoAP" "coap://127.0.0.1/ps/test/topic?qos=0"

订阅消息

创建一个 CoAP 订阅者，并等待 60 秒以接收 test/topic 主题上的消息：
coap-client -m get -s 60 -O 6,0x00 -o - -T "obstoken" "coap://127.0.0.1/ps/test/topic"

3.2 连接模式

创建连接 CoAP 客户端可以通过请求 /mqtt/connection 来创建连接，例如：

coap-client -m post -e "" "coap://127.0.0.1/mqtt/connection?clientid=coaptest&username=admin&password=admin123"
coap-client -m post -e "" "coap://192.168.5.48/mqtt/connection?clientid=coaptest&username=admin&password=admin123"
连接成功创建后，将返回一个 Token。

断开连接

coap-client -m delete -e "" "coap://127.0.0.1/mqtt/connection?clientid=coaptest&token=3404490787"

心跳

coap-client -m put -e "" "coap://127.0.0.1/mqtt/connection?clientid=coaptest&token=3404490787"

发送消息

在连接模式下发送消息需要提供 Token 和 ClientId 参数，例如：
coap-client -m post -e "Hi, this is libcoap" "coap://127.0.0.1/ps/coap/test?clientid=coaptest&token=3404490787"


coap-client -m post -e "[{\"id\": \"temperature\", \"value\": 17, \"remark\": \"test\" }]" "coap://192.168.5.48/ps//41/D1ELV3A5TOJS/property/post?clientid=coaptest&token=3404490787"
coap-client -m post -e "[{\"id\": \"switch\", \"value\": 1, \"remark\": \"test\" }]" "coap://192.168.5.48/ps//41/D1ELV3A5TOJS/function/post?clientid=coaptest&token=3404490787"
coap-client -m post -e "[{\"id\": \"height_temperature\", \"value\": 50, \"remark\": \"test\" }]" "coap://192.168.5.48/ps//41/D1ELV3A5TOJS/event/post?clientid=coaptest&token=3404490787"

订阅主题

coap-client -m get -s 60 -O 6,0x00 -o - -T "obstoken" "coap://127.0.0.1/ps/coap/test?clientid=coaptest&token=3404490787"
coap-client -m get -s 60 -O 6,0x00 -o - -T "obstoken" "coap://192.168.5.48/ps//41/D1ELV3A5TOJS/function/post?clientid=coaptest&token=3404490787"

取消订阅

coap-client -m get -O 6,0x01 "coap://127.0.0.1/ps/coap/test?clientid=coaptest&token=3404490787"

4.fastbee coap接入测试

测试命令

创建连接 CoAP 客户端可以通过请求 /mqtt/connection 来创建连接，例如：

clientid = S-D1K031BE49X2-146-1

coap-client -m post -e "" "coap://192.168.5.48/connection?clientid=S-D1K031BE49X2-146-1&username=FastBee&password=P1N864X0420SN171"
连接成功创建后，将返回一个 Token。

断开连接

coap-client -m delete -e "" "coap://192.168.5.48/connection?clientid=S-D1K031BE49X2-146-1&token=CYG4UQRZKWY4SUT"

心跳

coap-client -m post -e "" "coap://192.168.5.48/keepalive?token=CYG4UQRZKWY4SUT"、

发送消息

发送消息需要提供 Token 参数，例如：

coap-client -m post -e "[{\"rssi\": -43, \"firmwareVersion\": 1.2, \"userId\": 2, \"status\": 3, \"longitude\": 0, \"latitude\": 0}]" "coap://192.168.5.48/info/post?token=CYG4UQRZKWY4SUT"
coap-client -m post -e "[{\"id\": \"temperature\", \"value\": 17, \"remark\": \"test\" }]" "coap://192.168.5.48/property/post?token=CYG4UQRZKWY4SUT"
coap-client -m post -e "[{\"id\": \"switch\", \"value\": 1, \"remark\": \"test\" }]" "coap://192.168.5.48/function/post?token=CYG4UQRZKWY4SUT"
coap-client -m post -e "[{\"id\": \"height_temperature\", \"value\": 50, \"remark\": \"test\" }]" "coap://192.168.5.48/event/post?token=CYG4UQRZKWY4SUT"