Disable worker processes (jruby, win32) and SSL (jruby)

JRuby has at present too many bugs to do nonblocking SSL properly. Until
MiniSSL has JRuby support, SSL support has to be disabled.

lib/puma/binder.rb

@@ -98,18 +98,23 @@ module Puma
 
           @listeners << [str, io]
         when "ssl"
+          if IS_JRUBY
+            @events.error "SSL not supported on JRuby"
+            raise UnsupportedOption
+          end
+
           params = Rack::Utils.parse_query uri.query
           require 'puma/minissl'
 
           ctx = MiniSSL::Context.new
           unless params['key']
-            error "Please specify the SSL key via 'key='"
+            @events.error "Please specify the SSL key via 'key='"
           end
 
           ctx.key = params['key']
 
           unless params['cert']
-            error "Please specify the SSL cert via 'cert='"
+            @events.error "Please specify the SSL cert via 'cert='"
           end
 
           ctx.cert = params['cert']
@@ -181,6 +186,11 @@ module Puma
 
     def add_ssl_listener(host, port, ctx,
                          optimize_for_latency=true, backlog=1024)
+      if IS_JRUBY
+        @events.error "SSL not supported on JRuby"
+        raise UnsupportedOption
+      end
+
       require 'puma/minissl'
 
       s = TCPServer.new(host, port)
@@ -200,6 +210,12 @@ module Puma
     end
 
     def inherited_ssl_listener(fd, ctx)
+      if IS_JRUBY
+        @events.error "SSL not supported on JRuby"
+        raise UnsupportedOption
+      end
+
+      require 'puma/minissl'
       s = TCPServer.for_fd(fd)
       @ios << MiniSSL::Server.new(s, ctx)
       s

lib/puma/cli.rb

@@ -88,7 +88,7 @@ module Puma
         blk.call self
       end
 
-      if IS_JRUBY
+      if jruby?
         @binder.listeners.each_with_index do |(str,io),i|
           io.close
 
@@ -136,6 +136,20 @@ module Puma
       end
     end
 
+    def jruby?
+      IS_JRUBY
+    end
+
+    def windows?
+      RUBY_PLATFORM =~ /mswin32|ming32/
+    end
+
+    def unsupported(str, cond=true)
+      return unless cond
+      @events.error str
+      raise UnsupportedOption
+    end
+
     # Build the OptionParser object to handle the available options.
     #
     def setup_options
@@ -186,8 +200,8 @@ module Puma
                               "Use 'auto' to use temp unix server" do |arg|
           if arg
             @options[:control_url] = arg
-          elsif IS_JRUBY
-            raise NotImplementedError, "No default url available on JRuby"
+          elsif jruby?
+            unsupported "No default url available on JRuby"
           end
         end
 
@@ -209,6 +223,9 @@ module Puma
 
         o.on "-w", "--workers COUNT",
                    "Activate cluster mode: How many worker processes to create" do |arg|
+          unsupported "-w not supported on JRuby and Windows",
+                      jruby? || windows?
+
           @options[:workers] = arg.to_i
         end
 
@@ -298,7 +315,11 @@ module Puma
     # for it to finish.
     #
     def run
-      parse_options
+      begin
+        parse_options
+      rescue UnsupportedOption
+        exit 1
+      end
 
       clustered = @options[:workers] > 0
 

lib/puma/const.rb

@@ -1,6 +1,9 @@
 require 'rack'
 
 module Puma
+  class UnsupportedOption < RuntimeError
+  end
+
 
   # Every standard HTTP code mapped to the appropriate message.  These are
   # used so frequently that they are placed directly in Puma for easy