Coap协议client [1]¶

libcoap¶

安装:

% brew安装
brew install libcoap
% 好像只安装了.a文件没有对应的coap_server和coap_client文件

% 源码安装1
https://github.com/miri64/libcoap
> autoconf
> ./configure
> make
> sudo make install

% 源码安装2(最新版)
https://github.com/obgm/libcoap
./autogen.sh
./configure --disable-manpages --disable-dtls
make

启一个CoAP服务:

coap-server

使用:

> coap-client -m get coap://localhost
v:1 t:0 tkl:0 c:1 id:37109
This is a test server made with libcoap (see http://libcoap.sf.net)
Copyright (C) 2010--2013 Olaf Bergmann <bergmann@tzi.org>

% 把结果打印到result.txt文件中
> ./coap-client -m get -o result.txt coap://localhost

Node CoAP CLI¶

安装:

npm install coap-cli -g

用法:

get        performs a GET request
put        performs a PUT request
post       performs a POST request
delete     performs a DELETE request

实例:

coap get coap://localhost
(2.05)  ************************************************************
I-D
coap get coap://localhost/id/1
(4.04)  Not Found

coap put  -p 1 coap://10.13.11.116/light
(2.05)  1
coap get coap://10.13.11.116/light
(2.05)  1

浏览器插件¶

Firefox Copper:

https://addons.mozilla.org/en-US/firefox/addon/copper-270430/
说明:
1.最新的firefox不支持了

Chrome:

https://github.com/mkovatsc/Copper4Cr.git
./install.sh
chrome://extensions/
点击「加载已解压的扩展程序」选择「app文件夹」
同样操作选择「extension文件夹」
具体使用方法: https://www.cnblogs.com/liuyunxiang/p/8894596.html

wireshark¶

sudo tcpdump -i lo -w ~/temp/coap-json.cap
在wireshark中,搜索
udp.port==5683

coap测试服务器¶

coap://wsncoap.org:5683
coap://wsncoap.org:5683/.well-known/core
coap://wsncoap.org:5683/obs