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doc/storage.tld @ 11590:5aafb832c91b

core.portmanager: Fix race condition in initialization of SNI cert map Under some circumstances when hosts and modules are loaded in some certain order, entries end up missing from the SNI map. This manifests in e.g. `curl https://localhost:5281/` giving an error about "unrecognized name". The `service` argument is `nil` when invoked from the "host-activated" event, leading it to iterating over every service. And then it would not be fetching e.g. `http_host` from the config, which explains why https would sometimes not work due to the missing name entry. Because when `service` is included, this limits the iteration to matching entries, while also returning the same value as the `name` loop variable. Because `name == service when service != nil` we can use name instead in the body of the loop.
author Kim Alvefur <zash@zash.se>
date Fri, 28 May 2021 17:09:22 +0200
parent 10838:f26f2ec33f1e
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-- Storage Interface API Description
--
-- This is written as a TypedLua description

-- Key-Value stores (the default)

interface keyval_store
	get : ( self, string? ) -> (any) | (nil, string)
	set : ( self, string?, any ) -> (boolean) | (nil, string)
end

-- Map stores (key-key-value stores)

interface map_store
	get : ( self, string?, any ) -> (any) | (nil, string)
	set : ( self, string?, any, any ) -> (boolean) | (nil, string)
	set_keys : ( self, string?, { any : any }) -> (boolean) | (nil, string)
	remove : {}
end

-- Archive stores

typealias archive_query = {
	"start"  : number?, -- timestamp
	"end"    : number?, -- timestamp
	"with"   : string?,
	"after"  : string?, -- archive id
	"before" : string?, -- archive id
	"total"  : boolean?,
}

interface archive_store
	-- Optional set of capabilities
	caps   : {
		-- Optional total count of matching items returned as second return value from :find()
		"total" : boolean?,
	}?

	-- Add to the archive
	append : ( self, string?, string?, any, number?, string? ) -> (string) | (nil, string)

	-- Iterate over archive
	find   : ( self, string?, archive_query? ) -> ( () -> ( string, any, number?, string? ), integer? )

	-- Removal of items. API like find. Optional?
	delete : ( self, string?, archive_query? ) -> (boolean) | (number) | (nil, string)

	-- Array of dates which do have messages (Optional?)
	dates  : ( self, string? ) -> ({ string }) | (nil, string)

	-- Map of counts per "with" field
	summary : ( self, string?, archive_query? ) -> ( { string : integer } ) | (nil, string)

	-- Map-store API
	get    : ( self, string, string ) -> (stanza, number?, string?) | (nil, string)
	set    : ( self, string, string, stanza, number?, string? ) -> (boolean) | (nil, string)
end

-- This represents moduleapi
interface module
	-- If the first string is omitted then the name of the module is used
	-- The second string is one of "keyval" (default), "map" or "archive"
	open_store : (self, string?, string?) -> (keyval_store) | (map_store) | (archive_store) | (nil, string)

	-- Other module methods omitted
end

module : module