class Rack::MiniProfiler::MemcacheStore
Constants
- EXPIRES_IN_SECONDS
- MAX_RETRIES
Public Class Methods
new(args = nil)
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# File lib/mini_profiler/storage/memcache_store.rb, line 8 def initialize(args = nil) require 'dalli' unless defined? Dalli args ||= {} @prefix = args[:prefix] || "MPMemcacheStore" @prefix += "-#{Rack::MiniProfiler::VERSION}" @client = args[:client] || Dalli::Client.new @expires_in_seconds = args[:expires_in] || EXPIRES_IN_SECONDS end
Public Instance Methods
allowed_tokens()
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# File lib/mini_profiler/storage/memcache_store.rb, line 58 def allowed_tokens token_info = @client.get("#{@prefix}-tokens") key1, key2, cycle_at = nil if token_info key1, key2, cycle_at = Marshal::load(token_info) key1 = nil unless key1 && key1.length == 32 key2 = nil unless key2 && key2.length == 32 if key1 && cycle_at && (cycle_at > Time.now) return [key1,key2].compact end end timeout = Rack::MiniProfiler::AbstractStore::MAX_TOKEN_AGE # cycle keys key2 = key1 key1 = SecureRandom.hex cycle_at = Time.now + timeout @client.set("#{@prefix}-tokens", Marshal::dump([key1, key2, cycle_at])) [key1, key2].compact end
flush_tokens()
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# File lib/mini_profiler/storage/memcache_store.rb, line 54 def flush_tokens @client.set("#{@prefix}-tokens", nil) end
get_unviewed_ids(user)
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# File lib/mini_profiler/storage/memcache_store.rb, line 50 def get_unviewed_ids(user) @client.get("#{@prefix}-#{user}-v") || [] end
load(id)
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# File lib/mini_profiler/storage/memcache_store.rb, line 21 def load(id) raw = @client.get("#{@prefix}#{id}") Marshal::load(raw) if raw end
save(page_struct)
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# File lib/mini_profiler/storage/memcache_store.rb, line 17 def save(page_struct) @client.set("#{@prefix}#{page_struct[:id]}", Marshal::dump(page_struct), @expires_in_seconds) end
set_all_unviewed(user, ids)
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# File lib/mini_profiler/storage/memcache_store.rb, line 46 def set_all_unviewed(user, ids) @client.set("#{@prefix}-#{user}-v", ids, @expires_in_seconds) end
set_unviewed(user, id)
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# File lib/mini_profiler/storage/memcache_store.rb, line 26 def set_unviewed(user, id) @client.add("#{@prefix}-#{user}-v", [], @expires_in_seconds) MAX_RETRIES.times do break if @client.cas("#{@prefix}-#{user}-v", @expires_in_seconds) do |ids| ids << id unless ids.include?(id) ids end end end
set_viewed(user, id)
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# File lib/mini_profiler/storage/memcache_store.rb, line 36 def set_viewed(user, id) @client.add("#{@prefix}-#{user}-v", [], @expires_in_seconds) MAX_RETRIES.times do break if @client.cas("#{@prefix}-#{user}-v", @expires_in_seconds) do |ids| ids.delete id ids end end end