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HTTP::Status(3) 	       User Contributed Perl Documentation		  HTTP::Status(3)

NAME
       HTTP::Status - HTTP Status code processing

SYNOPSIS
	use HTTP::Status qw(:constants :is status_message);

	if ($rc != HTTP_OK) {
	    print status_message($rc), "\n";
	}

	if (is_success($rc)) { ... }
	if (is_error($rc)) { ... }
	if (is_redirect($rc)) { ... }

DESCRIPTION
       HTTP::Status is a library of routines for defining and classifying HTTP status codes for
       libwww-perl.  Status codes are used to encode the overall outcome of an HTTP response
       message.  Codes correspond to those defined in RFC 2616 and RFC 2518.

CONSTANTS
       The following constant functions can be used as mnemonic status code names.  None of these
       are exported by default.  Use the ":constants" tag to import them all.

	  HTTP_CONTINUE 		       (100)
	  HTTP_SWITCHING_PROTOCOLS	       (101)
	  HTTP_PROCESSING		       (102)

	  HTTP_OK			       (200)
	  HTTP_CREATED			       (201)
	  HTTP_ACCEPTED 		       (202)
	  HTTP_NON_AUTHORITATIVE_INFORMATION   (203)
	  HTTP_NO_CONTENT		       (204)
	  HTTP_RESET_CONTENT		       (205)
	  HTTP_PARTIAL_CONTENT		       (206)
	  HTTP_MULTI_STATUS		       (207)
	  HTTP_ALREADY_REPORTED 	       (208)

	  HTTP_MULTIPLE_CHOICES 	       (300)
	  HTTP_MOVED_PERMANENTLY	       (301)
	  HTTP_FOUND			       (302)
	  HTTP_SEE_OTHER		       (303)
	  HTTP_NOT_MODIFIED		       (304)
	  HTTP_USE_PROXY		       (305)
	  HTTP_TEMPORARY_REDIRECT	       (307)

	  HTTP_BAD_REQUEST		       (400)
	  HTTP_UNAUTHORIZED		       (401)
	  HTTP_PAYMENT_REQUIRED 	       (402)
	  HTTP_FORBIDDEN		       (403)
	  HTTP_NOT_FOUND		       (404)
	  HTTP_METHOD_NOT_ALLOWED	       (405)
	  HTTP_NOT_ACCEPTABLE		       (406)
	  HTTP_PROXY_AUTHENTICATION_REQUIRED   (407)
	  HTTP_REQUEST_TIMEOUT		       (408)
	  HTTP_CONFLICT 		       (409)
	  HTTP_GONE			       (410)
	  HTTP_LENGTH_REQUIRED		       (411)
	  HTTP_PRECONDITION_FAILED	       (412)
	  HTTP_REQUEST_ENTITY_TOO_LARGE        (413)
	  HTTP_REQUEST_URI_TOO_LARGE	       (414)
	  HTTP_UNSUPPORTED_MEDIA_TYPE	       (415)
	  HTTP_REQUEST_RANGE_NOT_SATISFIABLE   (416)
	  HTTP_EXPECTATION_FAILED	       (417)
	  HTTP_I_AM_A_TEAPOT		       (418)
	  HTTP_UNPROCESSABLE_ENTITY	       (422)
	  HTTP_LOCKED			       (423)
	  HTTP_FAILED_DEPENDENCY	       (424)
	  HTTP_NO_CODE			       (425)
	  HTTP_UPGRADE_REQUIRED 	       (426)
	  HTTP_PRECONDITION_REQUIRED	       (428)
	  HTTP_TOO_MANY_REQUESTS	       (429)
	  HTTP_REQUEST_HEADER_FIELDS_TOO_LARGE (431)
	  HTTP_RETRY_WITH		       (449)

	  HTTP_INTERNAL_SERVER_ERROR	       (500)
	  HTTP_NOT_IMPLEMENTED		       (501)
	  HTTP_BAD_GATEWAY		       (502)
	  HTTP_SERVICE_UNAVAILABLE	       (503)
	  HTTP_GATEWAY_TIMEOUT		       (504)
	  HTTP_HTTP_VERSION_NOT_SUPPORTED      (505)
	  HTTP_VARIANT_ALSO_NEGOTIATES	       (506)
	  HTTP_INSUFFICIENT_STORAGE	       (507)
	  HTTP_BANDWIDTH_LIMIT_EXCEEDED        (509)
	  HTTP_NOT_EXTENDED		       (510)
	  HTTP_NETWORK_AUTHENTICATION_REQUIRED (511)

FUNCTIONS
       The following additional functions are provided.  Most of them are exported by default.
       The ":is" import tag can be used to import all the classification functions.

       status_message( $code )
	   The status_message() function will translate status codes to human readable strings.
	   The string is the same as found in the constant names above.  If the $code is unknown,
	   then "undef" is returned.

       is_info( $code )
	   Return TRUE if $code is an Informational status code (1xx).	This class of status code
	   indicates a provisional response which can't have any content.

       is_success( $code )
	   Return TRUE if $code is a Successful status code (2xx).

       is_redirect( $code )
	   Return TRUE if $code is a Redirection status code (3xx). This class of status code
	   indicates that further action needs to be taken by the user agent in order to fulfill
	   the request.

       is_error( $code )
	   Return TRUE if $code is an Error status code (4xx or 5xx).  The function returns TRUE
	   for both client and server error status codes.

       is_client_error( $code )
	   Return TRUE if $code is a Client Error status code (4xx). This class of status code is
	   intended for cases in which the client seems to have erred.

	   This function is not exported by default.

       is_server_error( $code )
	   Return TRUE if $code is a Server Error status code (5xx). This class of status codes
	   is intended for cases in which the server is aware that it has erred or is incapable
	   of performing the request.

	   This function is not exported by default.

BUGS
       For legacy reasons all the "HTTP_" constants are exported by default with the prefix
       "RC_".  It's recommended to use explicit imports and the ":constants" tag instead of
       relying on this.

perl v5.16.3				    2012-02-16				  HTTP::Status(3)
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