class Tarantool::EMDB

Constants

INITIAL
IPROTO_CONNECTION_TYPE

Public Instance Methods

_send_request(shard_numbers, read_write, response) click to toggle source
# File lib/tarantool/em_db.rb, line 39
def _send_request(shard_numbers, read_write, response)
  if @closed
    exc =  ::IProto::Disconnected.new("Tarantool is closed")
    if EM.reactor_running?
      EM.next_tick Curry1.new(response.cb, exc)
    else
      response.cb.call exc
    end
  else
    feed = FeedResponse.new(response)
    shard_numbers = shard_numbers[0]  if Array === shard_numbers && shard_numbers.size == 1
    if Array === shard_numbers
      _send_to_several_shards(shard_numbers, read_write, response, feed)
    else
      _send_to_one_shard(shard_numbers, read_write, response, feed)
    end
  end
end
_send_to_one_shard(shard_number, read_write, response, feed) click to toggle source
# File lib/tarantool/em_db.rb, line 58
def _send_to_one_shard(shard_number, read_write, response, feed)
  if (replicas = _shard(shard_number)).size == 1
    replicas[0].send_request(response.request_type, response.body, OneReplica.new(response, feed))
  elsif read_write == :read
    case @replica_strategy
    when :round_robin
      replicas = replicas.shuffle.sort_by!{|con| con.waiting_requests_size/5}
    when :prefer_slave
      master = replicas[0]
      replicas = replicas[1..-1].shuffle.sort_by!{|con| con.waiting_requests_size/5}
      replicas << master
    end
    EM.next_tick OneShardRead.new(replicas, response, feed)
  else
    EM.next_tick OneShardWrite.new(replicas, response, feed)
  end
end
_send_to_several_shards(shard_numbers, read_write, response, feed) click to toggle source
# File lib/tarantool/em_db.rb, line 222
def _send_to_several_shards(shard_numbers, read_write, response, feed)
  concat = read_write != :replace ? Concatter.new(shard_numbers.size, feed) :
                                    ConcatterReplace.new(shard_numbers.size, feed)
  for shard in shard_numbers
    _send_to_one_shard(shard, read_write, response, concat)
  end
end
_tune_new_connection(con) click to toggle source
Calls superclass method Tarantool::DB#_tune_new_connection
# File lib/tarantool/em_db.rb, line 18
def _tune_new_connection(con)
  super
  con.comm_inactivity_timeout = inactivity_timeout
end
inactivity_timeout() click to toggle source
# File lib/tarantool/em_db.rb, line 7
def inactivity_timeout
  @inactivity_timeout ||= 0
end
inactivity_timeout=(v) click to toggle source
# File lib/tarantool/em_db.rb, line 11
def inactivity_timeout=(v)
  @inactivity_timeout = v || 0
  each_connection do |c|
    c.comm_inactivity_timeout = @inactivity_timeout
  end
end