436f2afd00
Renamed EWSGI_RESPONSE as EWSGI_RESPONSE_STREAM to avoid confusion with EWSGI_RESPONSE as stated in Paul's proposal Added default "configuration" (for nino and cgi) to be independant of the connector (at compilation time) Added example implementing Paul's proposal on top of EWSGI
91 lines
2.6 KiB
Plaintext
91 lines
2.6 KiB
Plaintext
note
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description: "Summary description for {EWSGI_APPLICATION}."
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legal: "See notice at end of class."
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status: "See notice at end of class."
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date: "$Date$"
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revision: "$Revision$"
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deferred class
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EWSGI_APPLICATION
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feature -- Process request
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process (env: EWSGI_ENVIRONMENT; a_input: EWSGI_INPUT_STREAM; a_output: EWSGI_OUTPUT_STREAM)
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-- Process request with environment `env', and i/o streams `a_input' and `a_output'
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local
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rescued: BOOLEAN
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req: detachable like new_request
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res: detachable like new_response
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do
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if not rescued then
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pre_execute (env)
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req := new_request (env, a_input)
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res := new_response (req, a_output)
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execute (req, res)
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post_execute (req, res)
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else
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rescue_execute (req, res, (create {EXCEPTION_MANAGER}).last_exception)
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end
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if res /= Void then
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res.commit (a_output)
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end
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end
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feature {NONE} -- Execution
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execute (req: EWSGI_REQUEST; res: EWSGI_RESPONSE_STREAM)
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-- Execute the request
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-- See `req.input' for input stream
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-- `req.environment' for the Gateway environment
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-- and `res.output' for output stream
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deferred
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end
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pre_execute (env: EWSGI_ENVIRONMENT)
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-- Operation processed before `execute'
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require
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env_attached: env /= Void
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do
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end
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post_execute (req: detachable EWSGI_REQUEST; res: detachable EWSGI_RESPONSE_STREAM)
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-- Operation processed after `execute', or after `rescue_execute'
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do
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end
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rescue_execute (req: detachable EWSGI_REQUEST; res: detachable EWSGI_RESPONSE_STREAM; a_exception: detachable EXCEPTION)
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-- Operation processed on rescue of `execute'
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do
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post_execute (req, res)
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end
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feature -- Factory
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new_request (env: EWSGI_ENVIRONMENT; a_input: EWSGI_INPUT_STREAM): EWSGI_REQUEST
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-- New Request context based on `env' and `a_input'
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--| note: you can redefine this function to create your own
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--| descendant of EWSGI_REQUEST , or even to reuse/recycle existing
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--| instance of EWSGI_REQUEST
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deferred
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end
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new_response (req: EWSGI_REQUEST; a_output: EWSGI_OUTPUT_STREAM): EWSGI_RESPONSE_STREAM
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-- New Response based on `req' and `a_output'
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--| note: you can redefine this function to create your own
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--| descendant of EWSGI_RESPONSE_STREAM , or even to reuse/recycle existing
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--| instance of EWSGI_RESPONSE_STREAM
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deferred
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end
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note
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copyright: "2011-2011, Eiffel Software and others"
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license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)"
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source: "[
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Eiffel Software
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5949 Hollister Ave., Goleta, CA 93117 USA
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Telephone 805-685-1006, Fax 805-685-6869
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Website http://www.eiffel.com
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Customer support http://support.eiffel.com
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]"
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end
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