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-rw-r--r--lib/unicorn/app/exec_cgi.rb47
-rw-r--r--lib/unicorn/app/inetd.rb58
-rw-r--r--lib/unicorn/app/old_rails/static.rb20
-rw-r--r--lib/unicorn/configurator.rb53
-rw-r--r--lib/unicorn/http_request.rb16
5 files changed, 86 insertions, 108 deletions
diff --git a/lib/unicorn/app/exec_cgi.rb b/lib/unicorn/app/exec_cgi.rb
index 4d8e701..147b279 100644
--- a/lib/unicorn/app/exec_cgi.rb
+++ b/lib/unicorn/app/exec_cgi.rb
@@ -5,7 +5,7 @@ module Unicorn::App
 
   # This class is highly experimental (even more so than the rest of Unicorn)
   # and has never run anything other than cgit.
-  class ExecCgi
+  class ExecCgi < Struct.new(:args)
 
     CHUNK_SIZE = 16384
     PASS_VARS = %w(
@@ -32,12 +32,12 @@ module Unicorn::App
     #     run Unicorn::App::ExecCgi.new("/path/to/cgit.cgi")
     #   end
     def initialize(*args)
-      @args = args.dup
-      first = @args[0] or
+      self.args = args
+      first = args[0] or
         raise ArgumentError, "need path to executable"
-      first[0..0] == "/" or @args[0] = ::File.expand_path(first)
-      File.executable?(@args[0]) or
-        raise ArgumentError, "#{@args[0]} is not executable"
+      first[0..0] == "/" or args[0] = ::File.expand_path(first)
+      File.executable?(args[0]) or
+        raise ArgumentError, "#{args[0]} is not executable"
     end
 
     # Calls the app
@@ -65,14 +65,14 @@ module Unicorn::App
         val = env[key] or next
         ENV[key] = val
       end
-      ENV['SCRIPT_NAME'] = @args[0]
+      ENV['SCRIPT_NAME'] = args[0]
       ENV['GATEWAY_INTERFACE'] = 'CGI/1.1'
       env.keys.grep(/^HTTP_/) { |key| ENV[key] = env[key] }
 
       a = IO.new(0).reopen(inp)
       b = IO.new(1).reopen(out)
       c = IO.new(2).reopen(err)
-      exec(*@args)
+      exec(*args)
     end
 
     # Extracts headers from CGI out, will change the offset of out.
@@ -89,23 +89,24 @@ module Unicorn::App
         offset = 4
       end
       offset += head.length
-      out.instance_variable_set('@unicorn_app_exec_cgi_offset', offset)
-      size -= offset
 
       # Allows +out+ to be used as a Rack body.
-      def out.each
-        sysseek(@unicorn_app_exec_cgi_offset)
-
-        # don't use a preallocated buffer for sysread since we can't
-        # guarantee an actual socket is consuming the yielded string
-        # (or if somebody is pushing to an array for eventual concatenation
-        begin
-          yield(sysread(CHUNK_SIZE))
-        rescue EOFError
-          return
-        end while true
-      end
+      out.instance_eval { class << self; self; end }.instance_eval {
+        define_method(:each) { |&blk|
+          sysseek(offset)
+
+          # don't use a preallocated buffer for sysread since we can't
+          # guarantee an actual socket is consuming the yielded string
+          # (or if somebody is pushing to an array for eventual concatenation
+          begin
+            blk.call(sysread(CHUNK_SIZE))
+          rescue EOFError
+            break
+          end while true
+        }
+      }
 
+      size -= offset
       prev = nil
       headers = Rack::Utils::HeaderHash.new
       head.split(/\r?\n/).each do |line|
@@ -144,7 +145,7 @@ module Unicorn::App
       err.seek(0)
       dst = env['rack.errors']
       pid = status.pid
-      dst.write("#{pid}: #{@args.inspect} status=#{status} stderr:\n")
+      dst.write("#{pid}: #{args.inspect} status=#{status} stderr:\n")
       err.each_line { |line| dst.write("#{pid}: #{line}") }
       dst.flush
     end
diff --git a/lib/unicorn/app/inetd.rb b/lib/unicorn/app/inetd.rb
index e22b308..580b456 100644
--- a/lib/unicorn/app/inetd.rb
+++ b/lib/unicorn/app/inetd.rb
@@ -4,65 +4,66 @@
 # this class *must* be used with Rack::Chunked
 
 module Unicorn::App
-  class Inetd
+  class Inetd < Struct.new(:cmd)
 
-    class CatBody
+    class CatBody < Struct.new(:errors, :err_rd, :out_rd, :pid_map)
       def initialize(env, cmd)
-        @cmd = cmd
-        @input, @errors = env['rack.input'], env['rack.errors']
+        self.errors = env['rack.errors']
         in_rd, in_wr = IO.pipe
-        @err_rd, err_wr = IO.pipe
-        @out_rd, out_wr = IO.pipe
+        self.err_rd, err_wr = IO.pipe
+        self.out_rd, out_wr = IO.pipe
 
-        @cmd_pid = fork {
+        cmd_pid = fork {
           inp, out, err = (0..2).map { |i| IO.new(i) }
           inp.reopen(in_rd)
           out.reopen(out_wr)
           err.reopen(err_wr)
-          [ in_rd, in_wr, @err_rd, err_wr, @out_rd, out_wr ].each { |io|
-            io.close
-          }
+          [ in_rd, in_wr, err_rd, err_wr, out_rd, out_wr ].each { |i| i.close }
           exec(*cmd)
         }
         [ in_rd, err_wr, out_wr ].each { |io| io.close }
-        [ in_wr, @err_rd, @out_rd ].each { |io| io.binmode }
+        [ in_wr, err_rd, out_rd ].each { |io| io.binmode }
         in_wr.sync = true
 
         # Unfortunately, input here must be processed inside a seperate
         # thread/process using blocking I/O since env['rack.input'] is not
         # IO.select-able and attempting to make it so would trip Rack::Lint
-        @inp_pid = fork {
-          [ @err_rd, @out_rd ].each { |io| io.close }
+        inp_pid = fork {
+          input = env['rack.input']
+          [ err_rd, out_rd ].each { |io| io.close }
           buf = Unicorn::Z.dup
 
-          # this is dependent on @input.read having readpartial semantics:
-          while @input.read(16384, buf)
+          # this is dependent on input.read having readpartial semantics:
+          while input.read(16384, buf)
             in_wr.write(buf)
           end
           in_wr.close
         }
         in_wr.close
+        self.pid_map = {
+          inp_pid => 'input streamer',
+          cmd_pid => cmd.inspect,
+        }
       end
 
       def each(&block)
-        buf = Unicorn::Z.dup
         begin
-          rd, = IO.select([@err_rd, @out_rd])
+          rd, = IO.select([err_rd, out_rd])
           rd && rd.first or next
 
-          if rd.include?(@err_rd)
+          if rd.include?(err_rd)
             begin
-              @errors.write(@err_rd.read_nonblock(16384, buf))
+              errors.write(err_rd.read_nonblock(16384))
             rescue Errno::EINTR
             rescue Errno::EAGAIN
               break
             end while true
           end
 
-          rd.include?(@out_rd) or next
+          rd.include?(out_rd) or next
 
           begin
-            yield @out_rd.read_nonblock(16384, buf)
+            yield out_rd.read_nonblock(16384)
           rescue Errno::EINTR
           rescue Errno::EAGAIN
             break
@@ -75,15 +76,13 @@ module Unicorn::App
       end
 
       def close
-        @input = nil
-        [ [ @cmd.inspect, @cmd_pid ], [ 'input streamer', @inp_pid ]
-        ].each { |str, pid|
+        pid_map.each { |pid, str|
           begin
             pid, status = Process.waitpid2(pid)
             status.success? or
-              @errors.write("#{str}: #{status.inspect} (PID:#{pid})\n")
+              errors.write("#{str}: #{status.inspect} (PID:#{pid})\n")
           rescue Errno::ECHILD
-            @errors.write("Failed to reap #{str} (PID:#{pid})\n")
+            errors.write("Failed to reap #{str} (PID:#{pid})\n")
           end
         }
       end
@@ -91,16 +90,15 @@ module Unicorn::App
     end
 
     def initialize(*cmd)
-      @cmd = cmd
+      self.cmd = cmd
     end
 
     def call(env)
-      expect = env[Unicorn::Const::HTTP_EXPECT] and
-        /\A100-continue\z/i =~ expect and
+      /\A100-continue\z/i =~ env[Unicorn::Const::HTTP_EXPECT] and
           return [ 100, {} , [] ]
 
       [ 200, { 'Content-Type' => 'application/octet-stream' },
-       CatBody.new(env, @cmd) ]
+       CatBody.new(env, cmd) ]
     end
 
   end
diff --git a/lib/unicorn/app/old_rails/static.rb b/lib/unicorn/app/old_rails/static.rb
index 17c007c..51a0017 100644
--- a/lib/unicorn/app/old_rails/static.rb
+++ b/lib/unicorn/app/old_rails/static.rb
@@ -19,28 +19,28 @@ require 'rack/file'
 # This means that if you are using page caching it will actually work
 # with Unicorn and you should see a decent speed boost (but not as
 # fast as if you use a static server like nginx).
-class Unicorn::App::OldRails::Static
+class Unicorn::App::OldRails::Static < Struct.new(:app, :root, :file_server)
   FILE_METHODS = { 'GET' => true, 'HEAD' => true }.freeze
   REQUEST_METHOD = 'REQUEST_METHOD'.freeze
   REQUEST_URI = 'REQUEST_URI'.freeze
   PATH_INFO = 'PATH_INFO'.freeze
 
   def initialize(app)
-    @app = app
-    @root = "#{::RAILS_ROOT}/public"
-    @file_server = ::Rack::File.new(@root)
+    self.app = app
+    self.root = "#{::RAILS_ROOT}/public"
+    self.file_server = ::Rack::File.new(root)
   end
 
   def call(env)
     # short circuit this ASAP if serving non-file methods
-    FILE_METHODS.include?(env[REQUEST_METHOD]) or return @app.call(env)
+    FILE_METHODS.include?(env[REQUEST_METHOD]) or return app.call(env)
 
     # first try the path as-is
     path_info = env[PATH_INFO].chomp("/")
-    if File.file?("#@root/#{::Rack::Utils.unescape(path_info)}")
+    if File.file?("#{root}/#{::Rack::Utils.unescape(path_info)}")
       # File exists as-is so serve it up
       env[PATH_INFO] = path_info
-      return @file_server.call(env)
+      return file_server.call(env)
     end
 
     # then try the cached version:
@@ -50,11 +50,11 @@ class Unicorn::App::OldRails::Static
     env[REQUEST_URI] =~ /^#{Regexp.escape(path_info)}(;[^\?]+)/
     path_info << "#$1#{ActionController::Base.page_cache_extension}"
 
-    if File.file?("#@root/#{::Rack::Utils.unescape(path_info)}")
+    if File.file?("#{root}/#{::Rack::Utils.unescape(path_info)}")
       env[PATH_INFO] = path_info
-      return @file_server.call(env)
+      return file_server.call(env)
     end
 
-    @app.call(env) # call OldRails
+    app.call(env) # call OldRails
   end
 end if defined?(Unicorn::App::OldRails)
diff --git a/lib/unicorn/configurator.rb b/lib/unicorn/configurator.rb
index bd0a198..0ecd0d5 100644
--- a/lib/unicorn/configurator.rb
+++ b/lib/unicorn/configurator.rb
@@ -14,14 +14,13 @@ module Unicorn
   #   after_fork do |server,worker|
   #     server.listen("127.0.0.1:#{9293 + worker.nr}") rescue nil
   #   end
-  class Configurator
+  class Configurator < Struct.new(:set, :config_file)
     # The default logger writes its output to $stderr
-    DEFAULT_LOGGER = Logger.new($stderr) unless defined?(DEFAULT_LOGGER)
+    DEFAULT_LOGGER = Logger.new($stderr)
 
     # Default settings for Unicorn
     DEFAULTS = {
       :timeout => 60,
-      :listeners => [],
       :logger => DEFAULT_LOGGER,
       :worker_processes => 1,
       :after_fork => lambda { |server, worker|
@@ -42,42 +41,32 @@ module Unicorn
         },
       :pid => nil,
       :preload_app => false,
-      :stderr_path => nil,
-      :stdout_path => nil,
     }
 
-    attr_reader :config_file #:nodoc:
-
     def initialize(defaults = {}) #:nodoc:
-      @set = Hash.new(:unset)
+      self.set = Hash.new(:unset)
       use_defaults = defaults.delete(:use_defaults)
-      @config_file = defaults.delete(:config_file)
-      @config_file.freeze
-      @set.merge!(DEFAULTS) if use_defaults
+      self.config_file = defaults.delete(:config_file)
+      set.merge!(DEFAULTS) if use_defaults
       defaults.each { |key, value| self.send(key, value) }
       reload
     end
 
     def reload #:nodoc:
-      instance_eval(File.read(@config_file)) if @config_file
+      instance_eval(File.read(config_file)) if config_file
     end
 
     def commit!(server, options = {}) #:nodoc:
       skip = options[:skip] || []
-      @set.each do |key, value|
+      set.each do |key, value|
         value == :unset and next
         skip.include?(key) and next
-        setter = "#{key}="
-        if server.respond_to?(setter)
-          server.send(setter, value)
-        else
-          server.instance_variable_set("@#{key}", value)
-        end
+        server.__send__("#{key}=", value)
       end
     end
 
     def [](key) # :nodoc:
-      @set[key]
+      set[key]
     end
 
     # sets object to the +new+ Logger-like object.  The new logger-like
@@ -89,7 +78,7 @@ module Unicorn
         raise ArgumentError, "logger=#{new} does not respond to method=#{m}"
       end
 
-      @set[:logger] = new
+      set[:logger] = new
     end
 
     # sets after_fork hook to a given block.  This block will be called by
@@ -151,7 +140,7 @@ module Unicorn
                                   "not numeric: timeout=#{seconds.inspect}"
       seconds >= 3 or raise ArgumentError,
                                   "too low: timeout=#{seconds.inspect}"
-      @set[:timeout] = seconds
+      set[:timeout] = seconds
     end
 
     # sets the current number of worker_processes to +nr+.  Each worker
@@ -161,7 +150,7 @@ module Unicorn
                              "not an integer: worker_processes=#{nr.inspect}"
       nr >= 0 or raise ArgumentError,
                              "not non-negative: worker_processes=#{nr.inspect}"
-      @set[:worker_processes] = nr
+      set[:worker_processes] = nr
     end
 
     # sets listeners to the given +addresses+, replacing or augmenting the
@@ -172,7 +161,7 @@ module Unicorn
     def listeners(addresses) # :nodoc:
       Array === addresses or addresses = Array(addresses)
       addresses.map! { |addr| expand_addr(addr) }
-      @set[:listeners] = addresses
+      set[:listeners] = addresses
     end
 
     # adds an +address+ to the existing listener set.
@@ -227,8 +216,8 @@ module Unicorn
     def listen(address, opt = {})
       address = expand_addr(address)
       if String === address
-        Hash === @set[:listener_opts] or
-          @set[:listener_opts] = Hash.new { |hash,key| hash[key] = {} }
+        Hash === set[:listener_opts] or
+          set[:listener_opts] = Hash.new { |hash,key| hash[key] = {} }
         [ :backlog, :sndbuf, :rcvbuf ].each do |key|
           value = opt[key] or next
           Integer === value or
@@ -239,11 +228,11 @@ module Unicorn
           TrueClass === value || FalseClass === value or
             raise ArgumentError, "not boolean: #{key}=#{value.inspect}"
         end
-        @set[:listener_opts][address].merge!(opt)
+        set[:listener_opts][address].merge!(opt)
       end
 
-      @set[:listeners] = [] unless Array === @set[:listeners]
-      @set[:listeners] << address
+      set[:listeners] = [] unless Array === set[:listeners]
+      set[:listeners] << address
     end
 
     # sets the +path+ for the PID file of the unicorn master process
@@ -265,7 +254,7 @@ module Unicorn
     def preload_app(bool)
       case bool
       when TrueClass, FalseClass
-        @set[:preload_app] = bool
+        set[:preload_app] = bool
       else
         raise ArgumentError, "preload_app=#{bool.inspect} not a boolean"
       end
@@ -298,7 +287,7 @@ module Unicorn
       else
         raise ArgumentError
       end
-      @set[var] = path
+      set[var] = path
     end
 
     def set_hook(var, my_proc, req_arity = 2) #:nodoc:
@@ -314,7 +303,7 @@ module Unicorn
       else
         raise ArgumentError, "invalid type: #{var}=#{my_proc.inspect}"
       end
-      @set[var] = my_proc
+      set[var] = my_proc
     end
 
     # expands "unix:path/to/foo" to a socket relative to the current path
diff --git a/lib/unicorn/http_request.rb b/lib/unicorn/http_request.rb
index 779cd32..b8df403 100644
--- a/lib/unicorn/http_request.rb
+++ b/lib/unicorn/http_request.rb
@@ -6,8 +6,6 @@ require 'unicorn/http11'
 module Unicorn
   class HttpRequest
 
-    attr_accessor :logger
-
     # default parameters we merge into the request env for Rack handlers
     DEFAULTS = {
       "rack.errors" => $stderr,
@@ -24,6 +22,9 @@ module Unicorn
     NULL_IO = StringIO.new(Z)
     LOCALHOST = '127.0.0.1'.freeze
 
+    def initialize
+    end
+
     # Being explicitly single-threaded, we have certain advantages in
     # not having to worry about variables being clobbered :)
     BUFFER = ' ' * Const::CHUNK_SIZE # initial size, may grow
@@ -31,10 +32,6 @@ module Unicorn
     PARSER = HttpParser.new
     PARAMS = Hash.new
 
-    def initialize(logger = Configurator::DEFAULT_LOGGER)
-      @logger = logger
-    end
-
     # Does the majority of the IO processing.  It has been written in
     # Ruby using about 8 different IO processing strategies.
     #
@@ -74,13 +71,6 @@ module Unicorn
         data << socket.readpartial(Const::CHUNK_SIZE, BUFFER)
         PARSER.execute(PARAMS, data) and return handle_body(socket)
       end while true
-      rescue HttpParserError => e
-        @logger.error "HTTP parse error, malformed request " \
-                      "(#{PARAMS[Const::HTTP_X_FORWARDED_FOR] ||
-                          PARAMS[Const::REMOTE_ADDR]}): #{e.inspect}"
-        @logger.error "REQUEST DATA: #{data.inspect}\n---\n" \
-                      "PARAMS: #{PARAMS.inspect}\n---\n"
-        raise e
     end
 
     private