Class: XMPP4EM::Client

Inherits:
BaseClient show all
Defined in:
lib/xmpp4em/client.rb

Instance Attribute Summary

Attributes inherited from BaseClient

#connection, #user

Instance Method Summary collapse

Methods inherited from BaseClient

#add_iq_callback, #add_message_callback, #add_presence_callback, #close, #connected?, #on, #on_exception, #receive, #reconnect, #register_stanza, #send

Constructor Details

#initialize(user, pass, logger = nil, opts = {}) ⇒ Client

Returns a new instance of Client.



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# File 'lib/xmpp4em/client.rb', line 9

def initialize user, pass, logger=nil, opts = {}
  super      
  @opts = { :auto_register => false }.merge(opts)        
end

Instance Method Details

#connect(host = jid.domain, port = 5222) ⇒ Object 



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# File 'lib/xmpp4em/client.rb', line 22

def connect host = jid.domain, port = 5222
  if host=='localhost' || host=='127.0.0.1' || %r{^([0-9]{1,3}.){3}[0-9]{1,3}$}.match(host)
    target_host, target_port= host, port
  else
    target_host, target_port = resolve_host(host)
  end
  EM.connect target_host, target_port, ClientConnection, jid.domain, port do |conn|
    @connection = conn
    conn.client = self
    conn.logger=@logger
  end
end

#jid ⇒ Object 



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# File 'lib/xmpp4em/client.rb', line 14

def jid
  @jid ||= if @user.kind_of?(Jabber::JID)
    @user
  else
    @user =~ /@/ ? Jabber::JID.new(@user) : Jabber::JID.new(@user, 'localhost')
  end
end

#login(&blk) ⇒ Object 



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# File 'lib/xmpp4em/client.rb', line 60

def  &blk
  Jabber::SASL::new(self, 'PLAIN').auth(@pass)
  @auth_callback = blk if block_given?
end

#receive_stanza(stanza) ⇒ Object 



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# File 'lib/xmpp4em/client.rb', line 78

def receive_stanza(stanza)
  
  case stanza.name
    when 'features'
    unless @authenticated
       do |res|
        # log ['login response', res].inspect
        if res == :failure and @opts[:auto_register]
          register do |res|
            #p ['register response', res]
             unless res == :error
          end
        end
      end
      
    else
      if @connection.stream_features.has_key? 'bind'
        iq = Jabber::Iq.new(:set)
        bind = iq.add REXML::Element.new('bind')
        bind.add_namespace @connection.stream_features['bind']            
        resource = bind.add REXML::Element.new('resource')
        resource.text=jid.resource
        
        send(iq){ |reply|
          if reply.type == :result and jid = reply.first_element('//jid') and jid.text
            # log ['new jid is', jid.text].inspect
            @jid = Jabber::JID.new(jid.text)
          end
        }
      end
      
      if @connection.stream_features.has_key? 'session'
        iq = Jabber::Iq.new(:set)
        session = iq.add REXML::Element.new('session')
        session.add_namespace @connection.stream_features['session']
        
        send(iq){ |reply|
          if reply.type == :result
            on(:login, stanza)
          end
        }
      end
    end
    
    return true
    
    when 'success', 'failure'
    if stanza.name == 'success'
      @authenticated = true
      @connection.reset_parser
      @connection.init
    end
    
    @auth_callback.call(stanza.name.to_sym) if @auth_callback
    return true
  end
  false
end

#register(&blk) ⇒ Object 



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# File 'lib/xmpp4em/client.rb', line 65

def register &blk
  reg = Jabber::Iq.new_register(jid.node, @pass)
  reg.to = jid.domain
  
  send(reg){ |reply|
    blk.call( reply.type == :result ? :success : reply.type )
  }
end

#resolve_host(domain) ⇒ Object 



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# File 'lib/xmpp4em/client.rb', line 35

def resolve_host(domain)
  srv = []
  begin        
    Resolv::DNS.open { |dns|
      # If ruby version is too old and SRV is unknown, this will raise a NameError
      # which is catched below
      #debug("RESOLVING:\n_xmpp-client._tcp.#{domain} (SRV)")
      srv = dns.getresources("_xmpp-client._tcp.#{domain}", Resolv::DNS::Resource::IN::SRV)
    }
  rescue NameError
    
  end
  
  unless srv.blank?
    # Sort SRV records: lowest priority first, highest weight first
    srv.sort! { |a,b| (a.priority != b.priority) ? (a.priority <=> b.priority) : (b.weight <=> a.weight) }        
    #debug "USING #{srv.first.target.to_s}"
    return srv.first.target.to_s, srv.first.port
  else
    #debug "USING #{domain}:5222"          
    return domain, 5222
  end
  
end

#send_msg(to, msg) ⇒ Object 



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# File 'lib/xmpp4em/client.rb', line 74

def send_msg to, msg
  send_safe Jabber::Message::new(to, msg).set_type(:chat)
end