Class: CarrotRpc::RpcServer

Inherits:
Object
  • Object
show all
Extended by:
ClientServer
Includes:
Reply
Defined in:
lib/carrot_rpc/rpc_server.rb

Overview

Base RPC Server class. Other Servers should inherit from this.

Defined Under Namespace

Modules: JSONAPIResources

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from ClientServer

queue_name, queue_options, test_queue_name

Constructor Details

#initialize(config: nil, block: true) ⇒ RpcServer

Documentation advises not to share a channel connection. Create new channel for each server instance.



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# File 'lib/carrot_rpc/rpc_server.rb', line 14

def initialize(config: nil, block: true)
  # create a channel and exchange that both client and server know about
  config ||= CarrotRpc.configuration
  @thread_request_variable = config.thread_request_variable
  @channel = config.bunny.create_channel
  @logger = config.logger
  @block = block
  setup_queue(config)
  @exchange = @channel.default_exchange
end

Instance Attribute Details

#channelObject (readonly)

Returns the value of attribute channel.



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# File 'lib/carrot_rpc/rpc_server.rb', line 7

def channel
  @channel
end

#loggerObject (readonly)

Returns the value of attribute logger.



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# File 'lib/carrot_rpc/rpc_server.rb', line 7

def logger
  @logger
end

#server_queueObject (readonly)

Returns the value of attribute server_queue.



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# File 'lib/carrot_rpc/rpc_server.rb', line 7

def server_queue
  @server_queue
end

#thread_request_variableObject (readonly)

Returns the value of attribute thread_request_variable.



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# File 'lib/carrot_rpc/rpc_server.rb', line 7

def thread_request_variable
  @thread_request_variable
end

Instance Method Details

#process_request(request_message, properties:) ⇒ Object



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# File 'lib/carrot_rpc/rpc_server.rb', line 34

def process_request(request_message, properties:)
  maybe_thread_request(request_message: request_message) do
    method = request_message[:method]
    handler = method_handler(method)

    send handler,
         method:          method,
         properties:      properties,
         request_message: request_message
  end
end

#startObject

start da server! method => object that receives the method. can be a class or anything responding to send



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# File 'lib/carrot_rpc/rpc_server.rb', line 27

def start
  # subscribe is like a callback
  @server_queue.subscribe(block: @block) do |delivery_info, properties, payload|
    consume(delivery_info, properties, payload)
  end
end