kemal-session-bcdb

A BCDB store session backend for Kemalcr.com

Installation

1. Add the dependency to your shard.yml:

   dependencies:
     kemal-session-bcdb:
       github: crystaluniverse/kemal-session-bcdb
   

2. Run shards install

How to use

Download, compile & run 0-db (Backend for BCDB)

• git clone git@github.com:threefoldtech/0-db.git
• cd 0-db && make
• ./zdb --mode seq

Download, compile & run BCDB (Backend for BCDB)

• Install Rust programming language
• git clone git@github.com:threefoldtech/bcdb.git
• cd bcdb && make
• copy bcdb binary anywhere cp bcdb/target/x86_64-unknown-linux-musl/release/bcdb .
• download tfuser utility from here
• use tfuser to register your 3bot user to explorer and generate seed file usr.seed using ./tfuser id create --name {3bot_username.3bot} --email {email}
• run bcdb : ./bcdb --seed-file user.seed
• now you can talk to bcdb through http via unix socket /tmp/bcdb.sock

Usage (Kemal.rc example)

require "kemal"
require "kemal-session"
require "kemal-session-bcdb"

Kemal::Session.config do |config|
  config.cookie_name = "redis_test"
  config.secret = "a_secret"
  config.engine = Kemal::Session::BcdbEngine.new(unixsocket= "/tmp/bcdb.sock", namespace = "kemal_sessions", key_prefix = "kemal:session:")
  config.timeout = Time::Span.new hours: 0, minutes: 0, seconds: 20
end


get "/set" do |env|
  env.session.int("number", rand(100)) # set the value of "number"
  "Random number set."
end

get "/get" do |env|
  num  = env.session.int?("number") # get the value of "number"
  env.session.int?("hello") # get value or nil, like []?
  "Value of random number is #{num}."
end

get "/destroy" do |env|
  env.session.destroy
  num  = env.session.int?("number")
  env.session.int?("hello") # get value or nil, like []?
  "Value of random number is #{num}."
end