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Merge pull request #160 from nats-io/release/v0.10.0
Prepare for Release/v0.10.0
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,81 @@ | ||
| require 'nats/client' | ||
|
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||
| nc1 = nil | ||
| nc2 = nil | ||
| responses = [] | ||
| inbox = NATS.create_inbox | ||
| ["TERM", "INT"].each { |sig| trap(sig) { | ||
| EM.stop | ||
| } | ||
| } | ||
|
|
||
| subscribers = [] | ||
| EM.run do | ||
| 5.times do |n| | ||
| subscribers << NATS.connect(drain_timeout: 30, name: "client-#{n}") do |nc| | ||
| nc.on_error { |err| puts "#{Time.now} - Error: #{err}" } | ||
| nc.on_close { |err| puts "#{Time.now} - Connection drained and closed!" } | ||
| puts "#{Time.now} - Started Connection #{n}..." | ||
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| nc.flush do | ||
| nc.subscribe('foo', queue: "workers") do |msg, reply, sub| | ||
| nc.publish(reply, "ACK1:#{msg}") | ||
| end | ||
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| nc.subscribe('bar', queue: "workers") do |msg, reply, sub| | ||
| nc.publish(reply, "ACK1:#{msg}") | ||
| end | ||
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| nc.subscribe('quux', queue: "workers") do |msg, reply, sub| | ||
| nc.publish(reply, "ACK1:#{msg}") | ||
| end | ||
| end | ||
| end | ||
| end | ||
|
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| pub_client = NATS.connect do |nc| | ||
| EM.add_periodic_timer(0.001) do | ||
| Fiber.new do | ||
| response = nc.request("foo", "A") | ||
| puts "Dropped request!!!" if response.nil? | ||
| end.resume | ||
| end | ||
|
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||
| EM.add_periodic_timer(0.001) do | ||
| Fiber.new do | ||
| response = nc.request("bar", "B") | ||
| puts "Dropped request!!!" if response.nil? | ||
| # puts "Response on 'bar' : #{response}" | ||
| end.resume | ||
| end | ||
|
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||
| EM.add_periodic_timer(0.001) do | ||
| Fiber.new do | ||
| response = nc.request("quux", "C") | ||
| puts "Dropped request!!!" if response.nil? | ||
| end.resume | ||
| end | ||
| end | ||
|
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||
| EM.add_timer(1) do | ||
| # Drain is like stop but gracefully closes the connection. | ||
| subs = subscribers[0..3] | ||
|
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| subs.each_with_index do |nc, i| | ||
| if nc.draining? | ||
| puts "Already draining... #{responses.count}" | ||
| next | ||
| end | ||
|
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||
| # Just using close will cause some requests to fail | ||
| # nc.close | ||
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| # Drain is more graceful and allow clients to process requests | ||
| # that have already been delivered by the server to the subscriber. | ||
| puts "#{Time.now} - Start draining #{nc.options[:name]}... (pending_data: #{nc.pending_data_size})" | ||
| nc.drain do | ||
| puts "#{Time.now} - Done draining #{nc.options[:name]}!" | ||
| end | ||
| end | ||
| end | ||
| end |