webmcp

annotate framework/env/request/add_error_handler.lua @ 497:d89813dd4d92

New function request.add_error_handler(...); Allow layout_ident to be passed directly to slot.render_layout(...)
author jbe
date Sun Jul 23 02:51:13 2017 +0200 (2017-07-23)
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jbe@497 1 --[[--
jbe@497 2 request.add_error_handler(
jbe@497 3 function(errobj, stacktrace)
jbe@497 4 ...
jbe@497 5 end
jbe@497 6 )
jbe@497 7
jbe@497 8 Registers a function to be called after an error occurred during request handling and the error response has been prepared by filling the "trace" and "system_error" slots in request.handler(...). The registered handler may, for example, send an error report to an administrator (utilizing slot.render_layout(...)). The passed handler function gets the error message (or error object) passed as first argument and the stacktrace as second argument.
jbe@497 9
jbe@497 10 --]]--
jbe@497 11
jbe@497 12 function request.add_error_handler(func)
jbe@497 13 request.configure(function()
jbe@497 14 local handlers = request._error_handlers
jbe@497 15 handlers[#handlers+1] = func
jbe@497 16 end)
jbe@497 17 end

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