protocol.rb in gibson-1.0.4

- old
+ new
@@ -1,103 +1,77 @@
-# Copyright (c) 2013, Simone Margaritelli <evilsocket at gmail dot com>
-# All rights reserved.
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions are met:
-#
-#   * Redistributions of source code must retain the above copyright notice,
-#     this list of conditions and the following disclaimer.
-#   * Redistributions in binary form must reproduce the above copyright
-#     notice, this list of conditions and the following disclaimer in the
-#     documentation and/or other materials provided with the distribution.
-#   * Neither the name of Gibson nor the names of its contributors may be used
-#     to endorse or promote products derived from this software without
-#     specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
-# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
-# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
-# POSSIBILITY OF SUCH DAMAGE.
 module Gibson
-    # A generic protocol error.
-    class GenericError < RuntimeError; end
-    # Key or prefix not found.
-    class NotFoundError < RuntimeError; end
-    # Specified value is not a number.
-    class NaNError < RuntimeError; end
-    # The server is out of memory.
-    class OutOfMemoryError < RuntimeError; end
-    # The object is locked and can't be modified.
-    class LockedError < RuntimeError; end
+  # A generic protocol error.
+  class GenericError < RuntimeError; end
+  # Key or prefix not found.
+  class NotFoundError < RuntimeError; end
+  # Specified value is not a number.
+  class NaNError < RuntimeError; end
+  # The server is out of memory.
+  class OutOfMemoryError < RuntimeError; end
+  # The object is locked and can't be modified.
+  class LockedError < RuntimeError; end
 
-    class Protocol
-        # Query opcodes.
-        COMMANDS = {
-            :set     => 1,
-            :ttl     => 2,
-            :get     => 3,
-            :del     => 4,
-            :inc     => 5,
-            :dec     => 6,
-            :lock    => 7,  
-            :unlock  => 8,  
-            :mset    => 9,  
-            :mttl    => 10, 
-            :mget    => 11, 
-            :mdel    => 12, 
-            :minc    => 13, 
-            :mdec    => 14, 
-            :mlock   => 15, 
-            :munlock => 16, 
-            :count   => 17, 
-            :stats   => 18, 
-            :ping    => 19, 
-            :meta    => 20, 
-            :keys    => 21, 
-            :end     => 0xff
-        }
+  class Protocol
+    # Query opcodes.
+    COMMANDS = {
+      :set     => 1,
+      :ttl     => 2,
+      :get     => 3,
+      :del     => 4,
+      :inc     => 5,
+      :dec     => 6,
+      :lock    => 7,  
+      :unlock  => 8,  
+      :mset    => 9,  
+      :mttl    => 10, 
+      :mget    => 11, 
+      :mdel    => 12, 
+      :minc    => 13, 
+      :mdec    => 14, 
+      :mlock   => 15, 
+      :munlock => 16, 
+      :count   => 17, 
+      :stats   => 18, 
+      :ping    => 19, 
+      :meta    => 20, 
+      :keys    => 21, 
+      :end     => 0xff
+    }
 
-        # Server replies opcodes.
-        REPLIES = {
-            :error 	   => 0, # Generic error
-            :not_found => 1, # Key/Prefix not found
-            :nan 	   => 2, # Not a number
-            :mem	   => 3, # Out of memory
-            :locked    => 4, # Object is locked
-            :ok  	   => 5, # Ok, no data follows
-            :val 	   => 6, # Ok, scalar value follows
-            :kval	   => 7  # Ok, [ key => value, ... ] follows
-        }
+    # Server replies opcodes.
+    REPLIES = {
+      :error 	   => 0, # Generic error
+      :not_found => 1, # Key/Prefix not found
+      :nan 	   => 2, # Not a number
+      :mem	   => 3, # Out of memory
+      :locked    => 4, # Object is locked
+      :ok  	   => 5, # Ok, no data follows
+      :val 	   => 6, # Ok, scalar value follows
+      :kval	   => 7  # Ok, [ key => value, ... ] follows
+    }
 
-        # Error code to exception map.
-        ERRORS = {
-            0 => GenericError,
-            1 => NotFoundError,
-            2 => NaNError,
-            3 => OutOfMemoryError,
-            4 => LockedError
-        }
+    # Error code to exception map.
+    ERRORS = {
+      0 => GenericError,
+      1 => NotFoundError,
+      2 => NaNError,
+      3 => OutOfMemoryError,
+      4 => LockedError
+    }
 
-        # Incoming data encodings.
-        ENCODINGS = {
-            # the item is in plain encoding and data points to its buffer
-            :plain  => 0x00, 
-            # PLAIN but compressed data with lzf
-            :lzf    => 0x01, 
-            # the item contains a number and data pointer is actually that number
-            :number => 0x02 
-        }
+    # Incoming data encodings.
+    ENCODINGS = {
+      # the item is in plain encoding and data points to its buffer
+      :plain  => 0x00, 
+      # PLAIN but compressed data with lzf
+      :lzf    => 0x01, 
+      # the item contains a number and data pointer is actually that number
+      :number => 0x02 
+    }
 
-        ##
-        # Return true if the specified code is an error code, otherwise false.
-        def self.error? (code)
-            code >= REPLIES[:error] && code <= REPLIES[:locked]
-        end
+    ##
+    # Return true if the specified code is an error code, otherwise false.
+    def self.error? (code)
+      code >= REPLIES[:error] && code <= REPLIES[:locked]
     end
+  end
 end