Class: Droonga::Client::Connection::DroongaProtocol::Thread

Inherits:
Object
  • Object
show all
Defined in:
lib/droonga/client/connection/droonga-protocol/thread.rb

Defined Under Namespace

Classes: NilMessage, Receiver, ReceiverError, Request

Constant Summary collapse

DEFAULT_TIMEOUT_SECONDS = 
10

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(host, port, tag, options = {}) ⇒ Thread

Returns a new instance of Thread.



49
50
51
52
53
54
55
56
57
58
59
 
# File 'lib/droonga/client/connection/droonga-protocol/thread.rb', line 49

def initialize(host, port, tag, options={})
  @host = host
  @port = port
  @tag = tag
  default_options = {
    :timeout => 1,
  }
  @options = default_options.merge(options)
  @logger = Fluent::Logger::FluentLogger.new(@tag, @options)
  @timeout = @options[:timeout]
end

Instance Attribute Details

#on_error=(value) ⇒ Object

Sets the attribute on_error

Parameters:

  • value —

    the value to set the attribute on_error to.



28
29
30
 
# File 'lib/droonga/client/connection/droonga-protocol/thread.rb', line 28

def on_error=(value)
  @on_error = value
end

Instance Method Details

#close ⇒ Object 



152
153
154
 
# File 'lib/droonga/client/connection/droonga-protocol/thread.rb', line 152

def close
  @logger.close
end

#request(message, options = {}, &block) ⇒ Object 



61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
 
# File 'lib/droonga/client/connection/droonga-protocol/thread.rb', line 61

def request(message, options={}, &block)
  receiver = create_receiver
  receiver.on_error = lambda do |error|
    on_error(ReceiverError.new(error))
  end
  message = message.dup
  message["replyTo"] = "#{receiver.host}:#{receiver.port}/droonga"
  send(message, options)

  sync = block.nil?
  if sync
    responses = []
    receive(receiver, options) do |response|
      responses << response
    end
    if responses.size > 1
      responses
    else
      responses.first
    end
  else
    thread = ::Thread.new do
      receive(receiver, options, &block)
    end
    Request.new(thread)
  end
end

#send(message, options = {}, &block) ⇒ Object 



148
149
150
 
# File 'lib/droonga/client/connection/droonga-protocol/thread.rb', line 148

def send(message, options={}, &block)
  @logger.post("message", message)
end

#subscribe(message, options = {}, &block) ⇒ Object 



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
 
# File 'lib/droonga/client/connection/droonga-protocol/thread.rb', line 89

def subscribe(message, options={}, &block)
  receiver = create_receiver
  receive_end_point = "#{receiver.host}:#{receiver.port}/droonga"
  message = message.dup
  message["replyTo"] = receive_end_point
  message["from"] = receive_end_point
  send(message, options)

  subscription_timeout = options[:subscription_timeout]
  max_messages = options[:max_messages]
  start = Time.now
  receive_options = {
    :timeout => options[:timeout] || DEFAULT_TIMEOUT_SECONDS,
  }
  n_messages = 0
  sync = block.nil?
  if sync
    Enumerator.new do |yielder|
      loop do
        receiver.receive(receive_options) do |object|
          yielder << object
          n_messages += 1
        end
        if max_messages and
             n_messages >= max_messages
          break
        end
        if subscription_timeout
          elapsed_seconds = Time.now - start
          break if elapsed_seconds >= subscription_timeout
        end
      end
      receiver.close
    end
  else
    thread = ::Thread.new do
      begin
        loop do
          receiver.receive(receive_options) do |message|
            block.call(message)
            n_messages += 1
          end
          if max_messages and
               n_messages >= max_messages
            break
          end
          if subscription_timeout
            elapsed_seconds = Time.now - start
            break if elapsed_seconds >= subscription_timeout
          end
        end
      ensure
        receiver.close
      end
    end
    Request.new(thread)
  end
end