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(...)
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jbe |
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Sun Jul 23 02:51:13 2017 +0200 (2017-07-23) |
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1 --[[--
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2 request.add_error_handler(
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3 function(errobj, stacktrace)
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4 ...
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5 end
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6 )
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7
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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.
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9
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10 --]]--
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11
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12 function request.add_error_handler(func)
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13 request.configure(function()
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14 local handlers = request._error_handlers
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15 handlers[#handlers+1] = func
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16 end)
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17 end
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