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#
# Copyright (c) 2007-2009 FastMQ Inc.
#
# This file is part of 0MQ.
#
# 0MQ is free software; you can redistribute it and/or modify it under
# the terms of the Lesser GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# 0MQ is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# Lesser GNU General Public License for more details.
#
# You should have received a copy of the Lesser GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
require 'librbzmq'
if ARGV.length != 3
puts "usage: remote_lat <connect-to> <message-size> <roundtrip-count>"
Process.exit
end
connect_to = ARGV[0]
message_size = ARGV[1].to_i
roundtrip_count = ARGV[2].to_i
ctx = Context.new(1, 1, 0)
s = Socket.new(ctx, REQ);
s.connect(connect_to);
msg = "#{'0'*message_size}"
start_time = Time.now
for i in 0...roundtrip_count do
s.send(msg, 0)
msg = s.recv(0)
end
end_time = Time.now
elapsed = (end_time.to_f - start_time.to_f) * 1000000
latency = elapsed / roundtrip_count / 2
puts "message size: %i [B]" % message_size
puts "roundtrip count: %i" % roundtrip_count
puts "mean latency: %.3f [us]" % latency
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