class Rack::Cache::MetaStore::MemCacheBase
Stores request/response pairs in memcached. Keys are not stored directly since memcached has a 250-byte limit on key names. Instead, the SHA1 hexdigest of the key is used.
Attributes
cache[R]
The MemCache object used to communicated with the memcached daemon.
Public Class Methods
resolve(uri)
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Create MemCache store for the given URI. The URI must specify a host and may specify a port, namespace, and options:
memcached://example.com:11211/namespace?opt1=val1&opt2=val2
Query parameter names and values are documented with the memcached library: tinyurl.com/4upqnd
# File lib/rack/cache/meta_store.rb 297 def self.resolve(uri) 298 if uri.respond_to?(:scheme) 299 server = "#{uri.host}:#{uri.port || '11211'}" 300 options = parse_query(uri.query) 301 options.keys.each do |key| 302 value = 303 case value = options.delete(key) 304 when 'true' ; true 305 when 'false' ; false 306 else value.to_sym 307 end 308 options[key.to_sym] = value 309 end 310 311 options[:namespace] = uri.path.to_s.sub(/^\//, '') 312 313 new server, options 314 else 315 # if the object provided is not a URI, pass it straight through 316 # to the underlying implementation. 317 new uri 318 end 319 end