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5374e587a3
This will count how many messages are published per-channel and produce a table of channels ordered by 'most messages'
64 lines
2.0 KiB
Ruby
64 lines
2.0 KiB
Ruby
# frozen_string_literal: true
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require File.expand_path("../../config/environment", __FILE__)
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channel_counters = Hash.new(0)
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messages_seen = 0
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wait_seconds = ARGV[0]&.to_i || 10
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puts "Counting messages for #{wait_seconds} seconds..."
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print 'Seen 0 messages'
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t = Thread.new do
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MessageBus.backend_instance.global_subscribe do |m|
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channel = m.channel
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if channel.start_with?("/distributed_hash")
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payload = JSON.parse(m.data)["data"]
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info = payload["hash_key"]
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# info += ".#{payload["key"]}" # Uncomment if you need more granular info
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channel += " (#{info})"
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end
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channel_counters[channel] += 1
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messages_seen += 1
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print "\rSeen #{messages_seen} messages from #{channel_counters.size} channels"
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end
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end
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sleep wait_seconds
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MessageBus.backend_instance.global_unsubscribe
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t.join
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puts
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puts "All done!"
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if messages_seen == 0
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puts "Saw no messages :("
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exit 1
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end
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puts
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puts
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sorted_results = channel_counters.sort_by { |k, v| -v }
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max_channel_name_length = channel_counters.keys.max_by { |name| name.length }.length
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max_count_length = channel_counters.values.max_by { |val| val.to_s.length }.to_s.length
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max_channel_name_length = ["channel".length, max_channel_name_length].max
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max_count_length = ["message count".length, max_count_length, messages_seen.to_s.length].max
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puts "| #{"channel".ljust(max_channel_name_length)} | #{"message count".rjust(max_count_length)} |"
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puts "|#{"-" * (max_channel_name_length + 2)}|#{"-" * (max_count_length + 2)}|"
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result_count = 10
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sorted_results.first(result_count).each do |name, value|
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name = "`#{name}`"
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puts "| #{name.ljust(max_channel_name_length)} | #{value.to_s.rjust(max_count_length)} |"
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end
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other_count = messages_seen - sorted_results.first(result_count).sum { |k, v| v }
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puts "| #{"(other)".ljust(max_channel_name_length)} | #{other_count.to_s.rjust(max_count_length)} |"
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puts "|#{" " * (max_channel_name_length + 2)}|#{" " * (max_count_length + 2)}|"
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puts "| #{"TOTAL".ljust(max_channel_name_length)} | #{messages_seen.to_s.rjust(max_count_length)} |"
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