Class: LanGrove::Daemon::Base
- Inherits:
-
Object
- Object
- LanGrove::Daemon::Base
- Defined in:
- lib/langrove/daemon_base.rb
Instance Method Summary collapse
-
#initialize(config_hash, daemon_name, logger) ⇒ Base
constructor
A new instance of Base.
- #listen ⇒ Object
- #reload_daemon ⇒ Object
- #run ⇒ Object
- #schedule ⇒ Object
- #stop_daemon ⇒ Object
Constructor Details
#initialize(config_hash, daemon_name, logger) ⇒ Base
Returns a new instance of Base.
74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 |
# File 'lib/langrove/daemon_base.rb', line 74 def initialize( config_hash, daemon_name, logger ) @config = config_hash @daemon_name = daemon_name @logger = logger @server = true # # A network connection. # @adaptor = nil # # A handler to direct the traffic. # @handler = nil begin @logger.info "Starting daemon: #{@daemon_name}" rescue # # you shall not pass # raise LanGrove::DaemonConfigException.new( "Requires a logger" ) end begin @my_config = @config[ :daemons ][ @daemon_name ] @server = @my_config[ :server ] if @my_config.has_key? :server adaptor = @my_config[ :adaptor ][ :connection ] handler = @my_config[ :handler ][ :collection ] rescue error = "Missing config item for daemon: #{@daemon_name}" @logger.error "EXIT: #{error}" raise LanGrove::DaemonConfigException.new( "Missing config item for daemon: #{@daemon_name}" ) end # # initialize the connection adaptor specified in config # # daemons: # name_of_daemon: # adaptor: # connection: TcpServer <---------- # handler: # collection: CollectionOfClients # @logger.info "Initialize instance: Adaptor::#{adaptor}.new( @my_config[ :adaptor ], logger )" @adaptor = LanGrove::ClassLoader.create( { :module => 'Adaptor', :class => adaptor } ).new( @my_config[ :adaptor ], logger ) # # bind to the handler collection specified in config # # daemons: # name_of_daemon: # adaptor: # connection: TcpServer # handler: # collection: CollectionOfClients <---------- # # CollectionOfClients ---> is the handler passed into listen() # @logger.info "Initialize instance: Handler::#{handler}.new( config_hash, '#{daemon_name}', logger )" @handler = LanGrove::ClassLoader.create( { :module => 'Handler', :class => handler } ).new( @config, @daemon_name, @logger ) # # Notifiy the handler # # About to go to listen... # @handler.start_daemon end |
Instance Method Details
#listen ⇒ Object
7 8 9 10 11 12 13 14 15 16 |
# File 'lib/langrove/daemon_base.rb', line 7 def listen # # Handler - The CollectionOfClients, is passed # through the adaptor to be assigned # to the attaching Clients. # @adaptor.listen( @handler, @handler.protocol ) end |
#reload_daemon ⇒ Object
28 29 30 31 32 33 34 35 36 37 38 39 |
# File 'lib/langrove/daemon_base.rb', line 28 def reload_daemon # # TODO: Handle reloading daemon properly # # [ !!complexities abound around reloading config!! ] # @logger.info "#{self} received reload_daemon" @handler.reload_daemon end |
#run ⇒ Object
58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 |
# File 'lib/langrove/daemon_base.rb', line 58 def run EventMachine::run do # # https://github.com/eventmachine/eventmachine/wiki/Protocol-Implementations # schedule listen if @server end end |
#schedule ⇒ Object
41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 |
# File 'lib/langrove/daemon_base.rb', line 41 def schedule @logger.info "#{self} Scheduling periodic ...TODO..." EM::add_periodic_timer( @my_config[ :periodic ] ) do # # TODO: This can be a lot more usefull than # then one ticker to one function call # @handler.periodic end if @my_config.has_key? :periodic end |
#stop_daemon ⇒ Object
18 19 20 21 22 23 24 25 26 |
# File 'lib/langrove/daemon_base.rb', line 18 def stop_daemon # # Handle stopping daemon # @logger.info "#{self} received stop_daemon" @handler.stop_daemon end |