attr_reader :ring
def initialize(opts={})
hosts = []
-
+
db = opts[:db] || nil
- timeout = opts[:timeout] || nil
+ timeout = opts[:timeout] || nil
raise Error, "No hosts given" unless opts[:hosts]
opts[:hosts].each do |h|
host, port = h.split(':')
- hosts << Redis.new(:host => host, :port => port, :db => db, :timeout => timeout, :db => db)
+ hosts << Redis.new(:host => host, :port => port, :db => db, :timeout => timeout)
end
- @ring = HashRing.new hosts
+ @ring = HashRing.new hosts
end
-
+
def node_for_key(key)
- if key =~ /\{(.*)?\}/
- key = $1
- end
+ key = $1 if key =~ /\{(.*)?\}/
@ring.get_node(key)
end
-
+
def add_server(server)
server, port = server.split(':')
@ring.add_node Redis.new(:host => server, :port => port)
end
-
+
def method_missing(sym, *args, &blk)
if redis = node_for_key(args.first.to_s)
redis.send sym, *args, &blk
super
end
end
-
+
def keys(glob)
- keyz = []
- @ring.nodes.each do |red|
- keyz.concat red.keys(glob)
+ @ring.nodes.map do |red|
+ red.keys(glob)
end
- keyz
end
-
+
def save
- @ring.nodes.each do |red|
- red.save
- end
+ on_each_node :save
end
-
+
def bgsave
- @ring.nodes.each do |red|
- red.bgsave
- end
+ on_each_node :bgsave
end
-
+
def quit
- @ring.nodes.each do |red|
- red.quit
- end
+ on_each_node :quit
+ end
+
+ def flush_all
+ on_each_node :flush_all
+ end
+ alias_method :flushall, :flush_all
+
+ def flush_db
+ on_each_node :flush_db
end
-
+ alias_method :flushdb, :flush_db
+
def delete_cloud!
@ring.nodes.each do |red|
red.keys("*").each do |key|
red.delete key
- end
+ end
end
end
-
+
+ def on_each_node(command, *args)
+ @ring.nodes.each do |red|
+ red.send(command, *args)
+ end
+ end
+
end
p r['urdad2']
p r['urmom3']
p r['urdad3']
-
+
r.push_tail 'listor', 'foo1'
r.push_tail 'listor', 'foo2'
r.push_tail 'listor', 'foo3'
r.push_tail 'listor', 'foo4'
r.push_tail 'listor', 'foo5'
-
+
p r.pop_tail('listor')
p r.pop_tail('listor')
p r.pop_tail('listor')
p r.pop_tail('listor')
p r.pop_tail('listor')
-
+
puts "key distribution:"
-
+
r.ring.nodes.each do |red|
p [red.port, red.keys("*")]
end