michael/grub-fork
1
0
Fork 0
Code Issues Pull requests Projects Releases Wiki Activity

Merge branch 'master' of github.com:nicholaskariniemi/grub

Browse source
This commit is contained in:
Nicholas Kariniemi 2014-10-15 21:06:11 +03:00
commit 96dd93309d
1 changed files with 16 additions and 23 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

39
src/cljx/grub/state.cljx
View file

@ -13,11 +13,10 @@
(defmulti handle-event (fn [event]
(:type event)))
(defmethod handle-event :diff [{:keys [hash diff states shadow client?] :as msg}]
(defmethod handle-event :diff [{:keys [hash diff states shadow client? state] :as msg}]
(let [history-shadow (sync/get-history-state states hash)]
(if history-shadow
(let [state (sync/get-current-state states)
new-state (diff/patch-state state diff)
(let [new-state (swap! diff/patch-state state diff)
new-states (sync/add-history-state states new-state)
new-shadow (diff/patch-state history-shadow diff)
new-diff (diff/diff-states new-shadow new-state)
@ -59,27 +58,21 @@
(go (loop [shadow initial-shadow
states (sync/new-state @state)]
(let [[v c] (a/alts! [new-states events] :priority true)]
(when v
(cond (= c new-states)
(let [current (sync/get-current-state states)]
(when-not (= shadow v)
(cond (nil? v) nil ;; drop out of loop
(= c new-states)
(do (when-not (= shadow v)
(>! >remote (diff-msg shadow v)))
(recur shadow
(if (= v current)
states
(sync/add-history-state states v))))
(= c events)
(let [event (assoc v
:states states
:client? client?
:shadow shadow)
{:keys [new-states new-shadow out-event]} (handle-event event)]
(when (and new-states (not= states new-states))
(let [new-state (sync/get-current-state new-states)]
(reset! state new-state)))
(when out-event (a/put! >remote out-event))
(recur (if new-shadow new-shadow shadow)
(if new-states new-states states))))))))))
(recur shadow (sync/add-history-state states v)))
(= c events)
(let [event (assoc v
:states states
:client? client?
:shadow shadow
:state state)
{:keys [new-states new-shadow out-event]} (handle-event event)]
(when out-event (a/put! >remote out-event))
(recur (if new-shadow new-shadow shadow)
(if new-states new-states states)))))))))
(def make-server-agent (partial make-agent false))
(def make-client-agent (partial make-agent true))