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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'
class Context
end
class Socket
end
class AssertionFailure < StandardError
end
def assert(bool, message = 'assertion failure')
raise AssertionFailure.new(message) unless bool
end
if ARGV.length != 3
puts "usage: local_thr <in-interface> <message-size>" + \
" <message-count>"
Process.exit
end
in_interface = ARGV[0]
message_size = ARGV[1]
message_count = ARGV[2]
# Print out the test parameters.
puts "message size: " + message_size.to_s + " [B]"
puts "message count: " + message_count.to_s
# Create 0MQ transport.
rb_zmq = Zmq.new();
# Create context.
context = rb_zmq.context(1, 1);
# Create the socket.
in_socket = rb_zmq.socket(context, ZMQ_SUB);
# Connect.
rb_zmq.connect(in_socket, in_interface.to_s);
# Receive first message
data = rb_zmq.recv(in_socket, ZMQ_NOBLOCK);
assert(rb_zmq.msg_size(data.msg) == message_size.to_i)
# Get initial timestamp.
start_time = Time.now
# The message loop.
for i in 0...message_count.to_i-1 do
data = rb_zmq.recv(in_socket, ZMQ_NOBLOCK);
assert(rb_zmq.msg_size(data.msg) == message_size.to_i)
end
# Get terminal timestamp.
end_time = Time.now
# Compute and print out the throughput.
if end_time.to_f - start_time.to_f != 0
message_throughput = message_count.to_i /
(end_time.to_f - start_time.to_f);
else
message_throughput = message_count.to_i
end
megabit_throughput = message_throughput.to_f * message_size.to_i * 8 /
1000000;
puts "Your average throughput is " + "%0.2f" % message_throughput.to_s +
" [msg/s]"
puts "Your average throughput is " + "%0.2f" % megabit_throughput.to_s +
" [Mb/s]"
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