examples/request_response.rb
require File.join(File.dirname(__FILE__), '..', 'lib', 'ffi-rzmq')
def assert(rc)
raise "Last API call failed at #{caller(1)}" unless rc >= 0
end
link = "tcp://127.0.0.1:5555"
begin
ctx = ZMQ::Context.new
s1 = ctx.socket(ZMQ::REQ)
s2 = ctx.socket(ZMQ::REP)
rescue ContextError => e
STDERR.puts "Failed to allocate context or socket"
raise
end
assert(s1.setsockopt(ZMQ::LINGER, 100))
assert(s2.setsockopt(ZMQ::LINGER, 100))
assert(s2.bind(link))
assert(s1.connect(link))
payload = "#{ '3' * 2048 }"
sent_msg = ZMQ::Message.new(payload)
received_msg = ZMQ::Message.new
assert(s1.sendmsg(sent_msg))
assert(s2.recvmsg(received_msg))
result = payload == received_msg.copy_out_string ? "Request received" : "Received wrong payload"
p result
assert(s1.close)
assert(s2.close)
ctx.terminate