Use newly-refactored mux in endpoint implementation
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@ -25,9 +25,7 @@
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;; An EID is a Nat.
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;; Endpoint-group private states
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(struct endpoint-group (next-eid ;; EID
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routing-table ;; (Matcherof (Setof EID))
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interests ;; (HashTable EID Matcher)
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(struct endpoint-group (mux ;; Mux
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endpoints ;; (HashTable EID Endpoint)
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state ;; Any
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)
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@ -47,9 +45,7 @@
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(struct as-endpoint (eid action) #:prefab)
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(define (make-endpoint-group initial-state)
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(endpoint-group 0
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(matcher-empty)
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(hash)
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(endpoint-group (mux)
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(hash)
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initial-state))
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@ -76,16 +72,15 @@
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(define (inert-endpoint e state) #f)
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(define (endpoint-group-handle-event e g)
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(match-define (endpoint-group _ routing-table interests endpoints state) g)
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(match-define (endpoint-group m endpoints state) g)
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(define affected-eids
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(match e
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[#f (hash-keys endpoints)]
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[(? patch?) (compute-affected-pids routing-table e)]
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[(message body)
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(tset->list (matcher-match-value routing-table (observe body) (datum-tset)))]))
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[(? patch?) (compute-affected-pids (mux-routing-table m) e)]
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[(message body) (mux-route-message m body)]))
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(sequence-handlers g (for/list [(eid (sort affected-eids <))]
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(list (if (patch? e)
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(view-patch e (hash-ref interests eid matcher-empty))
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(view-patch e (mux-interests-of m eid))
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e)
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eid
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(hash-ref endpoints eid (lambda () inert-endpoint))))))
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@ -120,21 +115,11 @@
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(cons actions cumulative-patch)))
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(define (interpret-endpoint-patch cumulative-patch actions g eid p0)
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(define old-interests (hash-ref (endpoint-group-interests g) eid matcher-empty))
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(define old-routing-table (endpoint-group-routing-table g))
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(define p (limit-patch (label-patch p0 (datum-tset eid)) old-interests))
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(define p-aggregate (compute-aggregate-patch p eid old-routing-table))
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(define new-interests (apply-patch old-interests p))
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(define new-routing-table (apply-patch old-routing-table p))
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(define-values (new-mux _eid p p-aggregate)
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(mux-update-stream (endpoint-group-mux g) eid p0))
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(values (patch-seq cumulative-patch p-aggregate)
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actions
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(struct-copy endpoint-group g
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[routing-table new-routing-table]
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[interests (if (matcher-empty? new-interests)
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(hash-remove (endpoint-group-interests g) eid)
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(hash-set (endpoint-group-interests g)
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eid
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new-interests))])))
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(struct-copy endpoint-group g [mux new-mux])))
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(define (interpret-endpoint-action cumulative-patch actions g eid endpoint-action)
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(match endpoint-action
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@ -146,12 +131,13 @@
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[(? patch? p0)
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(interpret-endpoint-patch cumulative-patch actions g eid p0)]
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[(add-endpoint function)
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(define new-eid (endpoint-group-next-eid g))
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(define-values (new-mux new-eid _p _p-aggregate)
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(mux-add-stream (endpoint-group-mux g) empty-patch))
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(define-values (new-ep initial-transition) (function new-eid (endpoint-group-state g)))
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(interpret-endpoint-actions cumulative-patch
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actions
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(struct-copy endpoint-group g
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[next-eid (+ new-eid 1)]
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[mux new-mux]
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[endpoints
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(hash-set (endpoint-group-endpoints g)
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new-eid
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@ -183,11 +169,12 @@
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endpoint-action)))
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(define (pretty-print-endpoint-group g [p (current-output-port)])
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(match-define (endpoint-group _ routing-table interests endpoints state) g)
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(match-define (endpoint-group m endpoints state) g)
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(fprintf p "ENDPOINT GROUP:\n")
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(fprintf p " ---- STATE:\n")
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(display (indented-port-output 6 (lambda (p) (prospect-pretty-print state p))) p)
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(newline p)
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(fprintf p " - ~a endpoints\n" (hash-count endpoints))
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(fprintf p " - next eid: ~a\n" (mux-next-pid mux))
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(fprintf p " - routing table:\n")
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(pretty-print-matcher routing-table p))
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(pretty-print-matcher (mux-routing-table mux) p))
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