From 28d571b7cca709641d964e00e6004facb6bfcc7e Mon Sep 17 00:00:00 2001
From: Eric Wong <normalperson@yhbt.net>
Date: Wed, 4 Feb 2009 14:30:40 -0800
Subject: s/Mongrel/Unicorn/g

Avoid conflicting with existing Mongrel libraries since
we'll be incompatible and break things w/o disrupting
Mongrel installations.
---
 lib/unicorn/const.rb | 113 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 113 insertions(+)
 create mode 100644 lib/unicorn/const.rb

(limited to 'lib/unicorn/const.rb')

diff --git a/lib/unicorn/const.rb b/lib/unicorn/const.rb
new file mode 100644
index 0000000..56c3bb4
--- /dev/null
+++ b/lib/unicorn/const.rb
@@ -0,0 +1,113 @@
+
+module Unicorn
+
+  # Every standard HTTP code mapped to the appropriate message.  These are
+  # used so frequently that they are placed directly in Unicorn for easy
+  # access rather than Unicorn::Const itself.
+  HTTP_STATUS_CODES = {  
+    100  => 'Continue', 
+    101  => 'Switching Protocols', 
+    200  => 'OK', 
+    201  => 'Created', 
+    202  => 'Accepted', 
+    203  => 'Non-Authoritative Information', 
+    204  => 'No Content', 
+    205  => 'Reset Content', 
+    206  => 'Partial Content', 
+    300  => 'Multiple Choices', 
+    301  => 'Moved Permanently', 
+    302  => 'Moved Temporarily', 
+    303  => 'See Other', 
+    304  => 'Not Modified', 
+    305  => 'Use Proxy', 
+    400  => 'Bad Request', 
+    401  => 'Unauthorized', 
+    402  => 'Payment Required', 
+    403  => 'Forbidden', 
+    404  => 'Not Found', 
+    405  => 'Method Not Allowed', 
+    406  => 'Not Acceptable', 
+    407  => 'Proxy Authentication Required', 
+    408  => 'Request Time-out', 
+    409  => 'Conflict', 
+    410  => 'Gone', 
+    411  => 'Length Required', 
+    412  => 'Precondition Failed', 
+    413  => 'Request Entity Too Large', 
+    414  => 'Request-URI Too Large', 
+    415  => 'Unsupported Media Type', 
+    500  => 'Internal Server Error', 
+    501  => 'Not Implemented', 
+    502  => 'Bad Gateway', 
+    503  => 'Service Unavailable', 
+    504  => 'Gateway Time-out', 
+    505  => 'HTTP Version not supported'
+  }
+
+  # Frequently used constants when constructing requests or responses.  Many times
+  # the constant just refers to a string with the same contents.  Using these constants
+  # gave about a 3% to 10% performance improvement over using the strings directly.
+  # Symbols did not really improve things much compared to constants.
+  #
+  # While Unicorn does try to emulate the CGI/1.2 protocol, it does not use the REMOTE_IDENT,
+  # REMOTE_USER, or REMOTE_HOST parameters since those are either a security problem or 
+  # too taxing on performance.
+  module Const
+    DATE="Date".freeze
+
+    # This is the part of the path after the SCRIPT_NAME.
+    PATH_INFO="PATH_INFO".freeze
+    
+    # Request body
+    HTTP_BODY="HTTP_BODY".freeze
+
+    # This is the initial part that your handler is identified as by URIClassifier.
+    SCRIPT_NAME="SCRIPT_NAME".freeze
+
+    # The original URI requested by the client.  Passed to URIClassifier to build PATH_INFO and SCRIPT_NAME.
+    REQUEST_URI='REQUEST_URI'.freeze
+    REQUEST_PATH='REQUEST_PATH'.freeze
+    
+    UNICORN_VERSION="0.2.0".freeze
+
+    UNICORN_TMP_BASE="unicorn".freeze
+
+    # The standard empty 404 response for bad requests.  Use Error4040Handler for custom stuff.
+    ERROR_404_RESPONSE="HTTP/1.1 404 Not Found\r\nConnection: close\r\nServer: Unicorn #{UNICORN_VERSION}\r\n\r\nNOT FOUND".freeze
+
+    CONTENT_LENGTH="CONTENT_LENGTH".freeze
+
+    # A common header for indicating the server is too busy.  Not used yet.
+    ERROR_503_RESPONSE="HTTP/1.1 503 Service Unavailable\r\n\r\nBUSY".freeze
+
+    # The basic max request size we'll try to read.
+    CHUNK_SIZE=(16 * 1024)
+
+    # This is the maximum header that is allowed before a client is booted.  The parser detects
+    # this, but we'd also like to do this as well.
+    MAX_HEADER=1024 * (80 + 32)
+
+    # Maximum request body size before it is moved out of memory and into a tempfile for reading.
+    MAX_BODY=MAX_HEADER
+
+    # A frozen format for this is about 15% faster
+    STATUS_FORMAT = "HTTP/1.1 %d %s\r\nConnection: close\r\n".freeze
+    CONTENT_TYPE = "Content-Type".freeze
+    LAST_MODIFIED = "Last-Modified".freeze
+    ETAG = "ETag".freeze
+    SLASH = "/".freeze
+    REQUEST_METHOD="REQUEST_METHOD".freeze
+    GET="GET".freeze
+    HEAD="HEAD".freeze
+    # ETag is based on the apache standard of hex mtime-size-inode (inode is 0 on win32)
+    ETAG_FORMAT="\"%x-%x-%x\"".freeze
+    HEADER_FORMAT="%s: %s\r\n".freeze
+    LINE_END="\r\n".freeze
+    REMOTE_ADDR="REMOTE_ADDR".freeze
+    HTTP_X_FORWARDED_FOR="HTTP_X_FORWARDED_FOR".freeze
+    HTTP_IF_MODIFIED_SINCE="HTTP_IF_MODIFIED_SINCE".freeze
+    HTTP_IF_NONE_MATCH="HTTP_IF_NONE_MATCH".freeze
+    REDIRECT = "HTTP/1.1 302 Found\r\nLocation: %s\r\nConnection: close\r\n\r\n".freeze
+    HOST = "HOST".freeze
+  end
+end
-- 
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