Scoped broker
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@ -14,12 +14,13 @@ import {
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const server = Http.HttpServer(null, 8000);
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assertion type ConnectionName(scope, id);
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assertion type Connection(connId);
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message type Request(connId, body);
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message type Response(connId, body);
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// Internal isolation
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assertion type Envelope(body);
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assertion type Envelope(scope, body);
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const {
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Assert, Clear, Message,
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@ -49,37 +50,39 @@ spawn named 'rootServer' {
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}
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spawn named 'websocketListener' {
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during Http.WebSocket($reqId, server, ['broker'], _) spawn named ['wsConnection', reqId] {
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assert Connection(reqId);
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during Http.WebSocket($reqId, server, [$scope], _) spawn named ['wsConnection', scope, reqId] {
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const name = ConnectionName(scope, reqId);
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assert Connection(name);
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on message Http.DataIn(reqId, $data) {
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if (data instanceof Bytes) {
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send Request(reqId, makeDecoder(data).next());
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send Request(name, makeDecoder(data).next());
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}
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}
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on message Response(reqId, $resp) send Http.DataOut(reqId, new Encoder().push(resp).contents());
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on message Response(name, $resp) send Http.DataOut(reqId, new Encoder().push(resp).contents());
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}
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}
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spawn named 'tcpListener' {
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during Tcp.TcpConnection($id, Tcp.TcpListener(8001)) spawn named ['tcpConnection', id] {
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const name = ConnectionName(scope, id);
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assert Tcp.TcpAccepted(id);
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assert Connection(id);
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assert Connection(name);
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const decoder = makeDecoder(null);
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on message Tcp.DataIn(id, $data) {
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decoder.write(data);
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let v;
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while ((v = decoder.try_next())) {
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send Request(id, v);
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send Request(name, v);
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}
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}
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on message Response(id, $resp) send Tcp.DataOut(id, new Encoder().push(resp).contents());
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on message Response(name, $resp) send Tcp.DataOut(id, new Encoder().push(resp).contents());
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}
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}
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spawn named 'connectionHandler' {
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during Connection($connId) spawn named Connection(connId) {
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on start console.log(connId, 'connected');
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on stop console.log(connId, 'disconnected');
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during Connection($connId(ConnectionName($scope,_))) spawn named Connection(connId) {
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on start console.log(connId.toString(), 'connected');
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on stop console.log(connId.toString(), 'disconnected');
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let endpoints = Set();
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@ -93,11 +96,11 @@ spawn named 'connectionHandler' {
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currentFacet().addEndpoint(() => {
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if (Observe.isClassOf(this.assertion)) {
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const spec = Envelope(this.assertion.get(0));
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const spec = Envelope(scope, this.assertion.get(0));
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const analysis = Skeleton.analyzeAssertion(spec);
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analysis.callback = Dataspace.wrap((evt, vs) => {
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currentFacet().actor.scheduleScript(() => {
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console.log('EVENT', currentFacet().toString(), connId, ep, evt, vs);
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console.log('EVENT', currentFacet().toString(), connId.toString(), ep, evt, vs);
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switch (evt) {
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case Skeleton.EVENT_ADDED:
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send Response(connId, Add(ep, vs));
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@ -113,7 +116,7 @@ spawn named 'connectionHandler' {
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});
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return [Observe(spec), analysis];
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} else {
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return [Envelope(this.assertion), null];
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return [Envelope(scope, this.assertion), null];
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}
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}, true);
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@ -124,10 +127,10 @@ spawn named 'connectionHandler' {
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}
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on message Request(connId, Message($body)) {
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send Envelope(body);
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send Envelope(scope, body);
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}
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on message Request(connId, $req) console.log('IN: ', connId, req.toString());
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on message Response(connId, $resp) console.log('OUT:', connId, resp.toString());
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on message Request(connId, $req) console.log('IN: ', connId.toString(), req.toString());
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on message Response(connId, $resp) console.log('OUT:', connId.toString(), resp.toString());
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}
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}
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