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76 lines
2.5 KiB
Lua
76 lines
2.5 KiB
Lua
-- Copyright (c) 2011 Robert G. Jakabosky <bobby@sharedrealm.com>
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--
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-- Permission is hereby granted, free of charge, to any person obtaining a copy
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-- of this software and associated documentation files (the "Software"), to deal
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-- in the Software without restriction, including without limitation the rights
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-- to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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-- copies of the Software, and to permit persons to whom the Software is
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-- furnished to do so, subject to the following conditions:
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--
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-- The above copyright notice and this permission notice shall be included in
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-- all copies or substantial portions of the Software.
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--
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-- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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-- IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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-- FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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-- AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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-- LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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-- OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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-- THE SOFTWARE.
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if #arg < 1 then
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print("usage: lua " .. arg[0] .. " [message-size] [roundtrip-count] [bind-to] [connect-to]")
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end
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local message_size = tonumber(arg[1] or 1)
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local roundtrip_count = tonumber(arg[2] or 100)
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local bind_to = arg[3] or 'inproc://thread_lat_test'
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local connect_to = arg[4] or 'inproc://thread_lat_test'
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local zmq = require"zmq"
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local ctx = zmq.init(1)
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local server = assert(ctx:socket(zmq.REQ))
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assert(server:bind(bind_to))
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local client = ctx:socket(zmq.REP)
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client:connect(connect_to)
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local data = ("0"):rep(message_size)
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local msg = zmq.zmq_msg_t.init_size(message_size)
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local client_msg = zmq.zmq_msg_t()
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print(string.format("message size: %i [B]", message_size))
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print(string.format("roundtrip count: %i", roundtrip_count))
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local timer = zmq.stopwatch_start()
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for i = 1, roundtrip_count do
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-- server send
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assert(server:send_msg(msg))
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-- client recv
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assert(client:recv_msg(client_msg))
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assert(client_msg:size() == message_size, "Invalid message size")
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-- client send
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assert(client:send_msg(client_msg))
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-- server recv
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assert(server:recv_msg(msg))
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assert(msg:size() == message_size, "Invalid message size")
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end
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local elapsed = timer:stop()
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server:close()
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client:close()
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ctx:term()
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local latency = elapsed / roundtrip_count / 2
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print(string.format("mean latency: %.3f [us]", latency))
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local secs = elapsed / (1000 * 1000)
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print(string.format("elapsed = %f", secs))
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print(string.format("msg/sec = %f", roundtrip_count / secs))
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