dead code removed from RubyRedis

[redis.git] / client-libraries / ruby / lib / redis.rb

diff --git a/client-libraries/ruby/lib/redis.rb b/client-libraries/ruby/lib/redis.rb
index b68e976685597ce17e36cbb10f6e7d1bb51ecf4e..b27918bd4b8815e28d2aa53e601c1cb4b29f9518 100644 (file)
--- a/client-libraries/ruby/lib/redis.rb
+++ b/client-libraries/ruby/lib/redis.rb
@@ -1,6 +1,7 @@
 require 'socket'
 require 'set'
 require File.join(File.dirname(__FILE__),'server')
+require File.join(File.dirname(__FILE__),'pipeline')
 
 
 class RedisError < StandardError
@@ -19,9 +20,16 @@ class Redis
   
   
   def initialize(opts={})
-    @opts = {:host => 'localhost', :port => '6379'}.merge(opts)
+    @opts = {:host => 'localhost', :port => '6379', :db => 0}.merge(opts)
     $debug = @opts[:debug]
-    @server = Server.new(@opts[:host], @opts[:port])
+    @db = @opts[:db]
+    @server = Server.new(@opts[:host], @opts[:port], (@opts[:timeout]||10))
+  end
+  
+  def pipelined
+    pipeline = Pipeline.new(self)
+    yield pipeline
+    pipeline.finish
   end
   
   def to_s
@@ -38,16 +46,31 @@ class Redis
   
   def with_socket_management(server, &block)
     begin
-      block.call(server.socket)
+      socket = server.socket
+      block.call(socket)
     #Timeout or server down
-    rescue Errno::ECONNRESET, Errno::EPIPE, Errno::ECONNREFUSED => e
+    rescue Errno::ECONNRESET, Errno::EPIPE, Errno::ECONNREFUSED, Timeout::Error => e
       server.close
       puts "Client (#{server.inspect}) disconnected from server: #{e.inspect}\n" if $debug
       retry
     #Server down
     rescue NoMethodError => e
       puts "Client (#{server.inspect}) tryin server that is down: #{e.inspect}\n Dying!" if $debug
-      exit
+      raise Errno::ECONNREFUSED
+      #exit
+    end
+  end
+
+  def monitor
+    with_socket_management(@server) do |socket|
+      trap("INT") { puts "\nGot ^C! Dying!"; exit }
+      write "MONITOR\r\n"
+      puts "Now Monitoring..."
+      socket.read(12)
+      loop do
+        x = socket.gets
+        puts x unless x.nil?
+      end
     end
   end
 
@@ -56,6 +79,7 @@ class Redis
   end
   
   def select_db(index)
+    @db = index
     write "SELECT #{index}\r\n"
     get_response
   end
@@ -65,6 +89,16 @@ class Redis
     get_response == OK
   end    
 
+  def flush_all
+    ensure_retry do
+      puts "Warning!\nFlushing *ALL* databases!\n5 Seconds to Hit ^C!"
+      trap('INT') {quit; return false}
+      sleep 5
+      write "FLUSHALL\r\n"
+      get_response == OK
+    end
+  end
+
   def last_save
     write "LASTSAVE\r\n"
     get_response.to_i
@@ -79,7 +113,7 @@ class Redis
    info = {}
    write("INFO\r\n")
    x = get_response
-   x.each_line do |kv|
+   x.each do |kv|
      k,v = kv.split(':', 2)
      k,v = k.chomp, v = v.chomp
      info[k.to_sym] = v
@@ -90,7 +124,7 @@ class Redis
   
   def bulk_reply
     begin
-      x = read.chomp
+      x = read
       puts "bulk_reply read value is #{x.inspect}" if $debug
       return x
     rescue => e
@@ -182,7 +216,7 @@ class Redis
 
   def decr(key, decrement=nil)
     if decrement
-      write "DECRRBY #{key} #{decrement}\r\n"
+      write "DECRBY #{key} #{decrement}\r\n"
     else
       write "DECR #{key}\r\n"
     end    
@@ -234,16 +268,6 @@ class Redis
     get_response == OK
   end
 
-  def list_length(key)
-    write "LLEN #{key}\r\n"
-    case i = get_response
-    when -2
-      raise RedisError, "key: #{key} does not hold a list value"
-    else
-      i
-    end
-  end
-
   def list_range(key, start, ending)
     write "LRANGE #{key} #{start} #{ending}\r\n"
     get_response
@@ -331,6 +355,31 @@ class Redis
     write "SINTERSTORE #{destkey} #{keys.join(' ')}\r\n"
     get_response
   end
+  
+  def set_union(*keys)
+    write "SUNION #{keys.join(' ')}\r\n"
+    Set.new(get_response)
+  end
+
+  def set_union_store(destkey, *keys)
+    write "SUNIONSTORE #{destkey} #{keys.join(' ')}\r\n"
+    get_response
+  end
+  
+  def set_diff(*keys)
+    write "SDIFF #{keys.join(' ')}\r\n"
+    Set.new(get_response)
+  end
+
+  def set_diff_store(destkey, *keys)
+    write "SDIFFSTORE #{destkey} #{keys.join(' ')}\r\n"
+    get_response
+  end
+
+  def set_move(srckey, destkey, member)
+    write "SMOVE #{srckey} #{destkey} #{member.to_s.size}\r\n#{member}\r\n"
+    get_response == 1
+  end
 
   def sort(key, opts={})
     cmd = "SORT #{key}"
@@ -376,7 +425,14 @@ class Redis
 
   def set(key, val, expiry=nil)
     write("SET #{key} #{val.to_s.size}\r\n#{val}\r\n")
-    get_response == OK
+    s = get_response == OK
+    return expire(key, expiry) if s && expiry
+    s
+  end
+  
+  def expire(key, expiry=nil)
+    write("EXPIRE #{key} #{expiry}\r\n")
+    get_response == 1
   end
 
   def set_unless_exists(key, val)
@@ -433,6 +489,28 @@ class Redis
     buff[0..-3]
   end
   
+  def read_socket
+    begin
+      socket = @server.socket
+      while res = socket.read(8096)
+        break if res.size != 8096
+      end
+    #Timeout or server down
+    rescue Errno::ECONNRESET, Errno::EPIPE, Errno::ECONNREFUSED => e
+      server.close
+      puts "Client (#{server.inspect}) disconnected from server: #{e.inspect}\n" if $debug
+      retry
+    rescue Timeout::Error => e
+    #BTM - Ignore this error so we don't go into an endless loop
+      puts "Client (#{server.inspect}) Timeout\n" if $debug
+    #Server down
+    rescue NoMethodError => e
+      puts "Client (#{server.inspect}) tryin server that is down: #{e.inspect}\n Dying!" if $debug
+      raise Errno::ECONNREFUSED
+      #exit
+    end
+  end
+  
   def read_proto
     with_socket_management(@server) do |socket|
       if res = socket.gets