.gitmodules

@@ -1,3 +0,0 @@
-[submodule "hyde"]
-	path = hyde
-	url = /hyde

.rubocop.yml

@@ -1,14 +0,0 @@
-# The behavior of RuboCop can be controlled via the .rubocop.yml
-# configuration file. It makes it possible to enable/disable
-# certain cops (checks) and to alter their behavior if they accept
-# any parameters. The file can be placed either in your home
-# directory or in some project directory.
-#
-# RuboCop will start looking for the configuration file in the directory
-# where the inspected file is and continue its way up to the root directory.
-#
-# See https://docs.rubocop.org/rubocop/configuration
-require: standard
-
-inherit_gem:
-  standard: config/base.yml

.solargraph.yml

@@ -1,22 +0,0 @@
----
-include:
-- "**/*.rb"
-exclude:
-- spec/**/*
-- test/**/*
-- vendor/**/*
-- ".bundle/**/*"
-require: []
-domains: []
-reporters:
-- rubocop
-- require_not_found
-formatter:
-  rubocop:
-    cops: safe
-    except: []
-    only: []
-    extra_args: []
-require_paths: []
-plugins: []
-max_files: 5000

hyde

@@ -1 +0,0 @@
-Subproject commit fd76422b760e6c045581bcb11842ee42221d06e0

proto.rb

@@ -1,83 +1,101 @@
-UIDS = {}
-
-module Heimdall
-  class UID
-    def initialize
-      @UID_prefix = "abstract" if not @UID_prefix
-      id = (1..32).map { |x| (rand()*10).floor }.join 
-      while UIDS.has_key? id do
-        id = (1..32).map { |x| (rand()*10).floor }.join 
-      end
-      UIDS[@UID_prefix+id] = self
-      @UID = id
-    end
-    attr_reader :UID
-  end
-
-  class UserCache
-    def initialize
-      @users = {}
-    end
-    def add(user)
-      @users[user.protoid] = user
-    end
-    def get(protoid)
-      return @users[user.protoid]
-    end
-  end
-
-  class User < UID
-    def initialize(username, protoid)
-      @username = username
-      @protoid = protoid
-      @UID_prefix = "user"
-      super()
-    end
-    attr_reader :username
-    attr_reader :protoid
-  end
-
-  class Server < UID
-    def initialize
-      @UID_prefix = "server"
-      super()
-    end
-  end
-
-  class Channel < UID
-    def initialize
-      @UID_prefix = "channel"
-      super()
-    end
-
-  end
-
-  class DirectChannel < Channel
-    def initialize
-      @UID_prefix = "dchannel"
-      super()
-    end
-
-  end
-
-  class ServerChannel < Channel
-    def initialize
-      @UID_prefix = "schannel"
-      super()
-    end
-  end
-
-  class Message < UID
-    def initialize
-      @UID_prefix = "message"
-      super()
-    end
-  end
-
-  class MsgStack < UID
-    def initialize
-      @UID_prefix = "msgstack"
-      super()
+require "date"
+def validate(*a)
+  # Check arguments against either a list of acceptable classes or just a class
+  raise ArgumentError, "expected an even number of arguments" if a.count%2 != 0 
+  for i in (0..a.count-1).step(2) do
+    if a[i+1].kind_of?(Class) then
+      raise TypeError, "expected argument #{i/2} of type #{a[i+1].to_s}" unless a[i].kind_of?(a[i+1])
+    elsif a[i+1].kind_of?(Array) then
+      raise TypeError, "expected argument #{i/2} of any of the types #{a[i+1].to_s}" unless a[i+1].include?(a[i].class)
     end
   end
 end
+module Heimdall
+  # Core protocol
+  class NetEntity
+    # Abstraction that stores basic object properties
+    @createdAt
+    def initialize()
+      @createdAt = DateTime.new
+    end
+    attr_reader :createdAt
+  end
+  
+  class User < NetEntity
+    # User abstraction (not bound to a group chat)
+    @username
+    @nickname
+    def initialize(username,nickname = nil)
+      validate(
+        username, String,
+        nickname, [String,NilClass]
+      )
+      super()
+      nickname = username if not nickname
+      @username = username
+      @nickname = nickname
+    end
+    attr_reader :username
+    attr_accessor :nickname
+  end
+
+  class Channel < NetEntity
+    # Channel abstraction (not bound to a group)
+    # Practically acts as a message stack
+    # Read access to all elements
+    # Write access only to top 
+    @messages
+    def initialize()
+      validate(
+        id, String
+      )
+      super()
+      @messages = []
+    end
+    def [](index)
+      @messages[id]
+    end
+    def <<(message)
+      @messages.append(message)
+    end
+    def top(count = 1)
+      return @messages[-1] if count == 1
+      @messages[(-1*count)..-1]
+    end
+    def filter(&block)
+      @messages.filter(block)
+    end
+    def snapshot()
+      @messages.clone
+    end
+  end
+
+  class Message < NetEntity
+    # Message abstraction with edits and content history (not bound to a group)
+    @content
+    @author
+    @editedAt
+    @contentHist
+    def initialize(content,author,channel) 
+      validate(
+        content, String,
+        author, Heimdall::User,
+        channel, Heimdall::Channel
+      )
+      super()
+      @editedAt = DateTime.new
+      @contentHist = [content]
+      @content = content
+      @author = author
+    end
+    def edit(content)
+      @content = content
+      @editedAt = DateTime.new
+      @contentHist.append(content)
+    end
+    attr_reader :content
+    attr_reader :author
+    attr_reader :contentHist
+    attr_reader :editedAt
+  end
+end 

server.rb

@@ -1,44 +1,98 @@
-require_relative "proto"
-require_relative "hyde/hyde"
-require "json"
+# Prototype of the heimdall server
+$LOAD_PATH << "."
+$VERSION = "0.1"
+$PORT = 9128
+require "proto"
+require "socket"
 
-Users = Heimdall::UserCache.new
+PROTO_CODES = {
+  :SUCCESS => 0,
+  :BADJSON => 1,
+  :NOMETHOD => 2,
+  :INVPARAM => 3,
+  :NOTIMPL => 4
+} 
 
-def require_keys(dict,key_dict)
-  raise KeyError, "not a dict" unless dict.kind_of? Hash
-  key_dict.each_pair { |k,v|
-    unless (dict.has_key? k) and (dict[k].kind_of? v) then
-      raise KeyError, "key #{k} of type #{v} required"
+PROTO_MESSAGES = {
+  :SUCCESS => "Done",
+  :BADJSON => "Invalid JSON object",
+  :NOMETHOD => "Invalid method",
+  :INVPARAM => "Invalid parameters",
+  :NOTIMPL => "Not implemented"
+}
+
+class Server
+  @channelPool
+  @channelListeners
+  @methods
+  def initialize()
+    @channelPool = {}
+    @channelListeners = {}
+    @methods = [
+      "join",
+      "useradd",
+      "userdel",
+      "userinfo",
+      "lusers",
+      "lchannels",
+      "chantop",
+      "chansend",
+      "chanedit"
+    ]
   end
-  }
-end
   
-server = Hyde::Server.new Port: 8000 do
-  path "user" do
-    post "new" do |ctx|
-      req,res = ctx.request,ctx.response
+  def send(client,message)
+    client.puts JSON.dump(message)
+  end
+
+  def err(client,code)
+    client.puts JSON.dump({
+      :error=>PROTO_MESSAGES[code],
+      :code=>PROTO_CODES[code]
+    })
+    client.close
+  end
+
+  def serve(client)
+    # basic validation steps
     begin
-        data = JSON::Parser.new(req.body).parse
-        require_keys(data,{
-          username: String,
-          protocol_id: String
-        })
-        Users.add(Heimdall::User.new data[:username], data[:protocol_id])
-      rescue JSON::ParserError => jsonerror
-        res.body = JSON::fast_generate({
-          error: "#{jsonerror}"
-        })
-        res['Content-Type'] = "application/json"
-        res.status = 400
-      rescue KeyError => keyerror
-        res.body = JSON::fast_generate({
-          error: "#{keyerror}"
-        })
-        res['Content-Type'] = "application/json"
-        res.status = 400
+      # 1. JSON validation
+      data = client.gets
+      data = JSON.load(data)
+    rescue JSON::ParserError
+      err(client,:BADJSON)
     end
+    # 2. Method validation
+    method = data[:method]
+    err(client,:NOMETHOD) if not @methods.include?(method)
+    # last but not least: calling the given method
+    if not self.methods.include?(method) then
+      err(client,:NOTIMPL)
+      return
     end
+    send(client,self.method(method).call(client,data))
+  end
+  
+  def join(client,data)
+    chaind = data["chanid"]
+    chanid = rand(89999999)+10000000 if not chanid
+    if not @channelPool[chanid] then
+      @channelPool[chanid] = Heimdall::Channel.new
+      @channelListeners
+    end
+    return {
+      :code=>PROTO_CODE[:SUCCESS],
+      :method=>"join",
+      :chanid=>chanid,
+    }
   end
 end
 
-server.start
+puts "Starting heimdall v#{$VERSION} server on port #{$PORT}..."
+server = TCPServer.new 9128
+loop do
+  Thread.start(server.accept) do |client|
+    puts "Received client connection on #{client.addr}"
+    
+  end
+end