Module: Rack::Handler
- Defined in:
- lib/rack/handler.rb,
lib/rack/handler/cgi.rb,
lib/rack/handler/lsws.rb,
lib/rack/handler/scgi.rb,
lib/rack/handler/thin.rb,
lib/rack/handler/mongrel.rb,
lib/rack/handler/webrick.rb,
lib/rack/handler/evented_mongrel.rb,
lib/rack/handler/swiftiplied_mongrel.rb,
lib/rack/handler/fastcgi.rb
Overview
Handlers connect web servers with Rack.
Rack includes Handlers for Mongrel, WEBrick, FastCGI, CGI, SCGI and LiteSpeed.
Handlers usually are activated by calling MyHandler.run(myapp)
. A second optional hash can be passed to include server-specific configuration.
Defined Under Namespace
Classes: CGI, EventedMongrel, FastCGI, LSWS, Mongrel, SCGI, SwiftipliedMongrel, Thin, WEBrick
Class Method Summary collapse
- .default(options = {}) ⇒ Object
- .get(server) ⇒ Object
- .register(server, klass) ⇒ Object
-
.try_require(prefix, const_name) ⇒ Object
Transforms server-name constants to their canonical form as filenames, then tries to require them but silences the LoadError if not found.
Class Method Details
.default(options = {}) ⇒ Object
25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 |
# File 'lib/rack/handler.rb', line 25 def self.default( = {}) # Guess. if ENV.include?("PHP_FCGI_CHILDREN") # We already speak FastCGI .delete :File .delete :Port Rack::Handler::FastCGI elsif ENV.include?("REQUEST_METHOD") Rack::Handler::CGI else begin Rack::Handler::Mongrel rescue LoadError => e Rack::Handler::WEBrick end end end |
.get(server) ⇒ Object
11 12 13 14 15 16 17 18 19 20 21 22 23 |
# File 'lib/rack/handler.rb', line 11 def self.get(server) return unless server server = server.to_s if klass = @handlers[server] obj = Object klass.split("::").each { |x| obj = obj.const_get(x) } obj else try_require('rack/handler', server) const_get(server) end end |
.register(server, klass) ⇒ Object
63 64 65 66 |
# File 'lib/rack/handler.rb', line 63 def self.register(server, klass) @handlers ||= {} @handlers[server] = klass end |
.try_require(prefix, const_name) ⇒ Object
Transforms server-name constants to their canonical form as filenames, then tries to require them but silences the LoadError if not found
Naming convention:
Foo # => 'foo'
FooBar # => 'foo_bar.rb'
FooBAR # => 'foobar.rb'
FOObar # => 'foobar.rb'
FOOBAR # => 'foobar.rb'
FooBarBaz # => 'foo_bar_baz.rb'
55 56 57 58 59 60 61 |
# File 'lib/rack/handler.rb', line 55 def self.try_require(prefix, const_name) file = const_name.gsub(/^[A-Z]+/) { |pre| pre.downcase }. gsub(/[A-Z]+[^A-Z]/, '_\&').downcase require(::File.join(prefix, file)) rescue LoadError end |