Class: Fairy::Node
- Inherits:
-
Object
- Object
- Fairy::Node
- Defined in:
- lib/fairy/node.rb
Instance Attribute Summary collapse
-
#addr ⇒ Object
Returns the value of attribute addr.
-
#id ⇒ Object
Returns the value of attribute id.
-
#logger ⇒ Object
readonly
Returns the value of attribute logger.
-
#processors ⇒ Object
readonly
Returns the value of attribute processors.
Class Method Summary collapse
Instance Method Summary collapse
- #create_processor ⇒ Object
- #deregister_processor(processor) ⇒ Object
-
#initialize ⇒ Node
constructor
A new instance of Node.
- #log_id ⇒ Object
- #processor_next_id ⇒ Object
- #register_processor(processor) ⇒ Object
-
#start(master_host, master_port, service = 0) ⇒ Object
def processors_dup @processors.synchronize do @processors.dup end end.
- #terminate_processor(processor) ⇒ Object
- #to_s ⇒ Object
-
#update_processor_status(processor, st) ⇒ Object
process status management.
Constructor Details
#initialize ⇒ Node
Returns a new instance of Node.
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# File 'lib/fairy/node.rb', line 20 def initialize @id = nil @addr = nil @logger = nil @processor_seq = -1 @processor_seq_mutex = Mutex.new @processors = [] @processors_mutex = Mutex.new @processors_cv = ConditionVariable.new @active_processors = {} @active_processors_mutex = Mutex.new @active_processors_cv = ConditionVariable.new end |
Instance Attribute Details
#addr ⇒ Object
Returns the value of attribute addr.
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# File 'lib/fairy/node.rb', line 38 def addr @addr end |
#id ⇒ Object
Returns the value of attribute id.
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# File 'lib/fairy/node.rb', line 37 def id @id end |
#logger ⇒ Object (readonly)
Returns the value of attribute logger.
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# File 'lib/fairy/node.rb', line 39 def logger @logger end |
#processors ⇒ Object (readonly)
Returns the value of attribute processors.
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# File 'lib/fairy/node.rb', line 41 def processors @processors end |
Class Method Details
Instance Method Details
#create_processor ⇒ Object
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# File 'lib/fairy/node.rb', line 79 def create_processor proc = nil @processors_mutex.synchronize do processor_id = processor_next_id # Process.spawn("test/testn.rb", # "--controller", @deepconnect.local_id, # "--id", processor_id.to_s) # pid = Process.fork{ # Process.fork{ # exec(CONF.RUBY_BIN, CONF.PROCESSOR_BIN, # "--node", @deepconnect.local_id.to_s, # "--id", processor_id.to_s) # } # } # Process.wait pid pid = NodeAPP.start_subcommand2(CONF.RUBY_BIN, CONF.PROCESSOR_BIN, "--node", @deepconnect.local_id.to_s, "--id", processor_id.to_s) Process.wait pid begin timeout(CONF.SUBCMD_EXEC_TIMEOUT) do while !@processors[processor_id] @processors_cv.wait(@processors_mutex) end end rescue Timeout::Error Log::fatal(self, "Can't exec Processor") ERR::Fail ERR::CantExecSubcmd, "processor" end @master.set_no_of_processors(self, @processors.size) @processors[processor_id] end end |
#deregister_processor(processor) ⇒ Object
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# File 'lib/fairy/node.rb', line 141 def deregister_processor(processor) # @processors.synchronize do update_processor_status(processor, :ST_WAIT) @processors_mutex.synchronize do # ↓パフォーマンス悪い!! @processors.delete(processor.id) @master.set_no_of_processors(self, @processors.size) @processors_cv.broadcast end end |
#log_id ⇒ Object
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# File 'lib/fairy/node.rb', line 43 def log_id "Node[#{@id}]" end |
#processor_next_id ⇒ Object
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# File 'lib/fairy/node.rb', line 73 def processor_next_id @processor_seq_mutex.synchronize do @processor_seq += 1 end end |
#register_processor(processor) ⇒ Object
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# File 'lib/fairy/node.rb', line 130 def register_processor(processor) # @processors.synchronize do @processors_mutex.synchronize do # ↓パフォーマンス悪い!! @processors[processor.id] = processor processor.addr = @addr @processors_cv.broadcast end end |
#start(master_host, master_port, service = 0) ⇒ Object
def processors_dup
@processors.synchronize do
@processors.dup
end
end
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# File 'lib/fairy/node.rb', line 53 def start(master_host, master_port, service=0) @deepconnect = DeepConnect.start(service) @deepconnect.export("Node", self) require "fairy/share/inspector" @deepconnect.export("Inspector", Inspector.new(self)) require "fairy/share/log" @master_deepspace = @deepconnect.open_deepspace(master_host, master_port) @master = @master_deepspace.import("Master") @logger = @master.logger Log.type = "[N]" Log.logger = @logger Log.info(self, "Node Service Start") Log::info(self, "\tfairy version: #{Version}") Log::info(self, "\t[Powered BY #{RUBY_DESCRIPTION}]") @master.register_node(self) end |
#terminate_processor(processor) ⇒ Object
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# File 'lib/fairy/node.rb', line 117 def terminate_processor(processor) deregister_processor(processor) begin Log::info(self, "terminate processor.") processor.terminate rescue Log::debug(self, "Exception Rised in termination processor.") Log::debug_exception(self) end # forkの仕組みが変わった. # Process.wait end |
#to_s ⇒ Object
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# File 'lib/fairy/node.rb', line 178 def to_s "#<#{self.class}: #{id}>" end |
#update_processor_status(processor, st) ⇒ Object
process status management
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# File 'lib/fairy/node.rb', line 158 def update_processor_status(processor, st) Log::debug(self, "UPDATE_PROCESSOR_STATUS S: #{processor} #{st}") @active_processors_mutex.synchronize do case st when :ST_WAIT, :ST_SEMIACTIVATE, :ST_FINISH Log::debug(self, "UPDATE_PROCESSOR_STATUS: 2") if @active_processors.key?(processor) Log::debug(self, "UPDATE_PROCESSOR_STATUS: 3") @active_processors.delete(processor) @master.set_no_of_active_processors(self, @active_processors.size) end when :ST_ACTIVATE Log::debug(self, "UPDATE_PROCESSOR_STATUS: 4") @active_processors[processor] = processor @master.set_no_of_active_processors(self, @active_processors.size) end end Log::debug(self, "UPDATE_PROCESSOR_STATUS: E") end |