prosody
64cfa396bb84
teal-src/util/error.d.tl

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teal-src/util/error.d.tl @ 11592:64cfa396bb84

net.server_epoll: Fix reporting of socket connect timeout If the underlying TCP connection times out before the write timeout kicks in, end up here with err="timeout", which the following code treats as a minor issue. Then, due to epoll apparently returning the EPOLLOUT (writable) event too, we go on and try to write to the socket (commonly stream headers). This fails because the socket is closed, which becomes the error returned up the stack to the rest of Prosody. This also trips the 'onconnect' signal, which has effects on various things, such as the net.connect state machine. Probably undesirable effects. With this, we instead return "connection timeout", like server_event, and destroy the connection handle properly. And then nothing else happens because the connection has been destroyed.
author Kim Alvefur <zash@zash.se>
date Mon, 07 Jun 2021 17:37:14 +0200
parent 11459:86904555bffc
child 12626:608443cc765c
line wrap: on
line source

local enum error_type
	"auth"
	"cancel"
	"continue"
	"modify"
	"wait"
end

local enum error_condition
	"bad-request"
	"conflict"
	"feature-not-implemented"
	"forbidden"
	"gone"
	"internal-server-error"
	"item-not-found"
	"jid-malformed"
	"not-acceptable"
	"not-allowed"
	"not-authorized"
	"policy-violation"
	"recipient-unavailable"
	"redirect"
	"registration-required"
	"remote-server-not-found"
	"remote-server-timeout"
	"resource-constraint"
	"service-unavailable"
	"subscription-required"
	"undefined-condition"
	"unexpected-request"
end

local record protoerror
	type : error_type
	condition : error_condition
	text : string
	code : integer
end

local record error
	type : error_type
	condition : error_condition
	text : string
	code : integer
	context : { any : any }
	source : string
end

local type compact_registry_item = { string, string, string, string }
local type compact_registry = { compact_registry_item }
local type registry = { string : protoerror }
local type context = { string : any }

local record error_registry_wrapper
	source : string
	registry : registry
	new : function (string, context) : error
	coerce : function (any, string) : any, error
	wrap : function (error) : error
	wrap : function (string, context) : error
	is_error : function (any) : boolean
end

local record lib
	record configure_opt
		auto_inject_traceback : boolean
	end
	new : function (protoerror, context, { string : protoerror }, string) : error
	init : function (string, string, registry | compact_registry) : error_registry_wrapper
	init : function (string, registry | compact_registry) : error_registry_wrapper
	is_error : function (any) : boolean
	coerce : function (any, string) : any, error
	from_stanza : function (table, context, string) : error
	configure : function
end

return lib