This document describes the HTTP communication of LibreLinkUp which functions as follower app to receive cgm data. Some data in the responses were masked.
This dump was created on an android device with LibreLinkUp app. Capturing was done with HttpToolkit over adb.
| GOCMD=go | |
| GOTEST=$(GOCMD) test | |
| GOVET=$(GOCMD) vet | |
| BINARY_NAME=example | |
| VERSION?=0.0.0 | |
| SERVICE_PORT?=3000 | |
| DOCKER_REGISTRY?= #if set it should finished by / | |
| EXPORT_RESULT?=false # for CI please set EXPORT_RESULT to true | |
| GREEN := $(shell tput -Txterm setaf 2) |
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| package main | |
| import ( | |
| "context" | |
| "fmt" | |
| "log" | |
| "net/http" | |
| "golang.org/x/oauth2" | |
| "golang.org/x/oauth2/google" |
| package main | |
| import ( | |
| "context" | |
| "flag" | |
| "fmt" | |
| "log" | |
| "net/http" | |
| "os" | |
| "os/signal" |
The following are examples of the four types rate limiters discussed in the accompanying blog post. In the examples below I've used pseudocode-like Ruby, so if you're unfamiliar with Ruby you should be able to easily translate this approach to other languages. Complete examples in Ruby are also provided later in this gist.
In most cases you'll want all these examples to be classes, but I've used simple functions here to keep the code samples brief.
This uses a basic token bucket algorithm and relies on the fact that Redis scripts execute atomically. No other operations can run between fetching the count and writing the new count.
| javascript:(function(){ var style = document.createElement(%27style%27), styleContent = document.createTextNode(%27.container { width: 1600px !important; } .timeline-comment-wrapper { width: 1380px !important; } .comment-holder{ max-width: none !important;} .discussion-item { width: 1300px !important; }%27); style.appendChild(styleContent ); var caput = document.getElementsByTagName(%27head%27); caput[0].appendChild(style); })(); |
| # Inspired from http://coding4streetcred.com/blog/post/Asymmetric-Encryption-Revisited-(in-PyCrypto) | |
| # PyCrypto docs available at https://www.dlitz.net/software/pycrypto/api/2.6/ | |
| from Crypto import Random | |
| from Crypto.PublicKey import RSA | |
| import base64 | |
| def generate_keys(): | |
| # RSA modulus length must be a multiple of 256 and >= 1024 | |
| modulus_length = 256*4 # use larger value in production |
$ ssh remote-host "epmd -names"
epmd: up and running on port 4369 with data:
name some_node at port 58769
Note the running on port for epmd itself and the port of the node you're interested in debugging. Reconnect to the remote host with these ports forwarded:
$ ssh -L 4369:localhost:4369 -L 58769:localhost:58769 remote-host