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implement "remove" events

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This commit is contained in:
Daniel Barlow 2024-04-21 11:19:06 +01:00
parent 762ce7b6b8
commit e9370358ae
2 changed files with 46 additions and 1 deletions
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7
pkgs/devout/devout.fnl
View file

@ -26,7 +26,12 @@
:find (fn [_ terms] (find-in-database db terms)) :find (fn [_ terms] (find-in-database db terms))
:add (fn [_ event-string] :add (fn [_ event-string]
(let [e (parse-uevent event-string)] (let [e (parse-uevent event-string)]
(tset db e.path e))) (match e.action
:add (tset db e.path e)
:change (tset db e.path e)
; ;bind ?
:remove (tset db e.path nil)
)))
:at-path (fn [_ path] (. db path)) :at-path (fn [_ path] (. db path))
})) }))

40
pkgs/devout/test.fnl
View file

@ -27,6 +27,31 @@ DEVTYPE=disk
DISKSEQ=2 DISKSEQ=2
SEQNUM=1527") SEQNUM=1527")
(local sdb1-insert
"add@/devices/pci0000:00/0000:00:14.0/usb1/1-3/1-3:1.0/host1/target1:0:0/1:0:0:0/block/sdb/sdb1\0ACTION=add
DEVPATH=/devices/pci0000:00/0000:00:14.0/usb1/1-3/1-3:1.0/host1/target1:0:0/1:0:0:0/block/sdb/sdb1
SUBSYSTEM=block
DEVNAME=/dev/sdb1
DEVTYPE=partition
DISKSEQ=33
PARTN=1
SEQNUM=82381
MAJOR=8
MINOR=17")
(local sdb1-remove
"remove@/devices/pci0000:00/0000:00:14.0/usb1/1-3/1-3:1.0/host1/target1:0:0/1:0:0:0/block/sdb/sdb1\0ACTION=remove
DEVPATH=/devices/pci0000:00/0000:00:14.0/usb1/1-3/1-3:1.0/host1/target1:0:0/1:0:0:0/block/sdb/sdb1
SUBSYSTEM=block
DEVNAME=/dev/sdb1
DEVTYPE=partition
DISKSEQ=33
PARTN=1
SEQNUM=82386
MAJOR=8
MINOR=17")
(example (example
"when I add a device, I can find it" "when I add a device, I can find it"
(let [db (database)] (let [db (database)]
@ -50,6 +75,21 @@ SEQNUM=1527")
(expect= m.devname "sda") (expect= m.devname "sda")
(expect= m.major "8")))) (expect= m.major "8"))))
(example
"when I add and then remove a device, I cannot retrieve it by path"
(let [db (database)]
(db:add sdb1-insert)
(db:add sdb1-remove)
(expect= (db:at-path "/devices/pci0000:00/0000:00:14.0/usb1/1-3/1-3:1.0/host1/target1:0:0/1:0:0:0/block/sdb/sdb1") nil)))
(example
"when I add and then remove a device, I cannot find it"
(let [db (database)]
(db:add sdb1-insert)
(db:add sda-uevent)
(db:add sdb1-remove)
(expect= (db:find {:devname "/dev/sdb1"}) [])))
(example (example
"when I search on multiple terms it uses all of them" "when I search on multiple terms it uses all of them"
(let [db (database)] (let [db (database)]