mirror of
https://github.com/node-red/node-red.git
synced 2023-10-10 13:36:53 +02:00
Flow debugger initial pass
This commit is contained in:
Nick O'Leary
parent
cebddc0237
commit
416d5190bc
7
red.js
7
red.js
@ -37,7 +37,8 @@ var knownOpts = {
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"userDir":[path],
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"port": Number,
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"v": Boolean,
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"help": Boolean
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"help": Boolean,
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"debug": Boolean
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};
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var shortHands = {
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"s":["--settings"],
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@ -120,6 +121,10 @@ if (parsedArgs.v) {
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settings.verbose = true;
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}
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if (parsedArgs.debug) {
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settings.enableDebugger = true;
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}
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if (settings.https) {
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server = https.createServer(settings.https,function(req,res){app(req,res);});
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} else {
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@ -29,6 +29,7 @@ function Node(n) {
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this.type = n.type;
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this.z = n.z;
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this._closeCallbacks = [];
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this._config = n;
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if (n.name) {
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this.name = n.name;
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262
red/runtime/nodes/debugger/index.js
Normal file
262
red/runtime/nodes/debugger/index.js
Normal file
@ -0,0 +1,262 @@
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/**
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* Copyright 2016 IBM Corp.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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**/
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var readline = require('readline');
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var rl;
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var runtime;
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var components;
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var breakpoints = {};
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var enabled = false;
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function enable() {
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enabled = true;
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}
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function disable() {
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enabled = false;
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}
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function formatNode(n) {
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return n.id+" ["+n.type+"]"+(n.name?" "+n.name:"");
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}
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function listNodes() {
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var flowIds = runtime.nodes.listFlows();
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flowIds.forEach(function(id) {
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var flow = runtime.nodes.getFlow(id);
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console.log(flow.id+" [flow]"+(flow.label?" "+flow.label:""));
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if (flow.subflows) {
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flow.subflows.forEach(function(sf) {
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console.log(" - "+formatNode(sf));
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sf.configs.forEach(function(n) {
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console.log(" - "+formatNode(n));
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})
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sf.nodes.forEach(function(n) {
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console.log(" - "+formatNode(n));
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})
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})
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}
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if (flow.configs) {
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flow.configs.forEach(function(n) {
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console.log(" - "+formatNode(n));
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})
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}
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if (flow.nodes) {
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flow.nodes.forEach(function(n) {
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console.log(" - "+formatNode(n));
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})
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}
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})
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}
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function listNode(id) {
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console.log(id);
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var node = runtime.nodes.getNode(id);
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if (node) {
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console.log(node);
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}
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}
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function listFlows() {
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}
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function handleAddBreakpoint(args) {
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var valid = false;
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var bp = {};
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if (args.length > 0) {
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bp.node = args[0];
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valid = true;
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if (args.length > 1) {
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if (args[1]==='i' || args[1]==='o') {
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bp.type = args[1];
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if (args.length > 2) {
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bp.index = args[2];
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}
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} else {
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valid = false;
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}
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}
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}
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if (valid) {
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var id = addBreakpoint(bp);
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console.log("Added breakpoint",id?id:"");
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} else {
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console.log("break <nodeid> [i|o] <index>");
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}
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}
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function handleRemoveBreakpoint(args) {
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if (args.length === 0) {
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breakpoints = {};
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console.log("Cleared all breakpoints");
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return;
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}
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if (args.length === 1 && breakpoints.hasOwnProperty(args[0])) {
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delete breakpoints[args[0]];
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console.log("Cleared all breakpoints on node",args[0]);
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return;
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}
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if (args.length === 2 && breakpoints.hasOwnProperty(args[0]) && (args[1] === 'i' || args[1] === 'o')) {
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var c = Object.keys(breakpoints[args[0]][args[1]]).length;
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breakpoints[args[0]][args[1]] = {};
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breakpoints[args[0]].c -= c;
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if (breakpoints[args[0]].c === 0) {
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delete breakpoints[args[0]];
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}
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console.log("Cleared all",(args[1]==='i'?'input':'output'),"breakpoints on node",args[0]);
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return;
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}
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if (args.length === 3 && breakpoints.hasOwnProperty(args[0]) && (args[1] === 'i' || args[1] === 'o')) {
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var id = args.join(":");
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if (removeBreakpoint(args.join(":"))) {
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console.log("Cleared breakpoint",id);
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}
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}
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}
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function handleInfo(args) {
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if (args[0] === 'breakpoints') {
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console.log(breakpoints);
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}
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}
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function init(_runtime,_components) {
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runtime = _runtime;
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components = _components;
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breakpoints = {};
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enabled = true;
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rl = readline.createInterface({
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input: process.stdin,
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output: process.stdout,
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prompt: 'nrdb> '
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});
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rl.on('line', function(input) {
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input = input.trim();
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var parts = input.split(/\s+/);
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var cmd = parts[0];
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var args = parts.slice(1)
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switch(cmd) {
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case 'pause':
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case 'p':
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console.log("pausing");
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components.router.pause();
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break;
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case 'continue':
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case 'c':
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console.log("resuming");
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components.router.resume();
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break;
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case 'nodes': listNodes(); break;
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case 'flows': listFlows(); break;
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case 'node': if (args.length === 1) { listNode(args[0]); } break;
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case 'break': handleAddBreakpoint(args); break;
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case 'delete': handleRemoveBreakpoint(args); break;
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case 'info': handleInfo(args); break;
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}
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var m = /^node\s+([^\s]+)$/.exec(input);
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if (m) {
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listNode(m[1]);
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}
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rl.prompt();
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}).on('close', function() {
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console.log("exiting nrdb");
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runtime.stop().then(function() {
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process.exit(0);
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});
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})
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rl.setPrompt('nrdb> ');
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rl.prompt();
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}
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/*
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* {
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* node: id,
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* type: 'i/o',
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* index: 0
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* }
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*/
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function addBreakpoint(bp) {
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if (!bp.hasOwnProperty('node')) {
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return;
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}
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var node = runtime.nodes.getNode(bp.node);
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if (!node || !node._config.hasOwnProperty('wires')) {
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return;
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}
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if (!bp.hasOwnProperty('type')) {
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addBreakpoint({node:bp.node,type:'i'});
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addBreakpoint({node:bp.node,type:'o'});
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} else if (!bp.hasOwnProperty('index')) {
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if (bp.type === 'i') {
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addBreakpoint({node:bp.node,type:'i',index:0});
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} else {
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for (var i=0;i<node._config.wires.length;i++) {
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addBreakpoint({node:bp.node,type:'o',index:i});
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}
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}
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return;
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} else {
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breakpoints[bp.node] = breakpoints[bp.node] || {c:0,i:{},o:{}};
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if (!breakpoints[bp.node][bp.type][bp.index]) {
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breakpoints[bp.node][bp.type][bp.index] = true;
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breakpoints[bp.node].c++;
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}
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return bp.node+":"+bp.type+":"+bp.index;
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}
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}
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function removeBreakpoint(id) {
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var m = /^(.+):([io]):(\d+)$/.exec(id);
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if (m) {
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var node = m[1];
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var portType = m[2];
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var portIndex = m[3];
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if (breakpoints[node]) {
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delete breakpoints[node][portType][portIndex];
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breakpoints[node].c--;
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if (breakpoints[node].c === 0) {
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delete breakpoints[node];
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}
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return true;
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}
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}
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return false;
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}
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function getBreakpoints() {
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return breakpoints;
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}
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function checkSendEvent(evt) {
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return (enabled && (
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(breakpoints.hasOwnProperty(evt.sourceNode.id) && breakpoints[evt.sourceNode.id].o[evt.sourcePort]) ||
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(breakpoints.hasOwnProperty(evt.destinationNode.id) && breakpoints[evt.destinationNode.id].i[evt.destinationPort])
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));
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}
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module.exports = {
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init:init,
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enable: enable,
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disable: disable,
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addBreakpoint:addBreakpoint,
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removeBreakpoint: removeBreakpoint,
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getBreakpoints: getBreakpoints,
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checkSendEvent: checkSendEvent
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}
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@ -586,6 +586,10 @@ function removeFlow(id) {
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});
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}
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function listFlows() {
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return Object.keys(activeFlows);
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}
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module.exports = {
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init: init,
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@ -633,6 +637,7 @@ module.exports = {
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getFlow: getFlow,
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updateFlow: updateFlow,
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removeFlow: removeFlow,
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listFlows: listFlows,
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disableFlow:null,
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enableFlow:null
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@ -19,7 +19,9 @@ var credentials = require("./credentials");
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var flows = require("./flows");
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var context = require("./context");
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var Node = require("./Node");
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var router = require("./router");
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var log = require("../log");
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var nrdb = require("./debugger");
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var events = require("../events");
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@ -77,6 +79,10 @@ function init(runtime) {
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flows.init(runtime);
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registry.init(runtime);
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context.init(runtime.settings);
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router.init(runtime);
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if (settings.enableDebugger) {
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nrdb.init(runtime,{router:router});
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}
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}
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function disableNode(id) {
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@ -134,6 +140,7 @@ module.exports = {
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stopFlows: flows.stopFlows,
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setFlows: flows.setFlows,
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getFlows: flows.getFlows,
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listFlows: flows.listFlows,
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addFlow: flows.addFlow,
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getFlow: flows.getFlow,
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@ -142,10 +149,12 @@ module.exports = {
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// disableFlow: flows.disableFlow,
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// enableFlow: flows.enableFlow,
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// Credentials
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addCredentials: credentials.add,
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getCredentials: credentials.get,
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deleteCredentials: credentials.delete,
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getCredentialDefinition: credentials.getDefinition
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// Router
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};
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@ -18,25 +18,55 @@ var util = require("util");
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var flows = require("../flows");
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var redUtil = require("../../util");
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var redDebugger = require("../debugger");
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var runtime;
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var routes = {};
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var sendQueue = [];
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var paused = false;
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function init(_runtime) {
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runtime = _runtime;
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wires = {};
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}
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function pause() {
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paused = true;
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}
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function resume() {
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paused = false;
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setImmediate(processSendEvent);
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}
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function add(sourceNode, wires) {
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routes[sourceNode.id] = wires;
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}
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function remove(sourceNode) {
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delete routes[sourceNode.id];
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}
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function processSendEvent() {
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if (!paused) {
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if (sendQueue.length > 0) {
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var sendEvent = sendQueue.shift();
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//console.log(ev.sourceNode.id+"["+ev.sourcePort+"] -> "+ev.destinationNode.id+"["+ev.destinationPort+"] : "+redDebugger.checkSendEvent(ev));
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if (!sendEvent.triggered && redDebugger.checkSendEvent(sendEvent)) {
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sendEvent.triggered = true;
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sendQueue.unshift(sendEvent);
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pause();
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} else {
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sendEvent.destinationNode.receive(sendEvent.msg);
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}
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}
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if (!paused && sendQueue.length > 0) {
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setImmediate(processSendEvent);
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}
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}
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}
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function send(sourceNode, msg) {
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if (msg === null || typeof msg === "undefined") {
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return;
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@ -73,13 +103,20 @@ function send(sourceNode, msg) {
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if (!sentMessageId) {
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sentMessageId = m._msgid;
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}
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var sendEvent = {
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sourceNode: sourceNode,
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sourcePort:i,
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destinationNode:node,
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destinationPort:0
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}
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if (msgSent) {
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var clonedmsg = redUtil.cloneMessage(m);
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sendEvents.push({n:node,m:clonedmsg});
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sendEvent.msg = redUtil.cloneMessage(m);
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} else {
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sendEvents.push({n:node,m:m});
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sendEvent.msg = m;
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msgSent = true;
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}
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sendEvents.push(sendEvent);
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}
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}
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}
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@ -91,16 +128,16 @@ function send(sourceNode, msg) {
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if (!sentMessageId) {
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sentMessageId = redUtil.generateId();
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}
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sourceNode.metric("send",{_msgid:sentMessageId});
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for (i=0;i<sendEvents.length;i++) {
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var ev = sendEvents[i];
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/* istanbul ignore else */
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if (!ev.m._msgid) {
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ev.m._msgid = sentMessageId;
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if (!ev.msg._msgid) {
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ev.msg._msgid = sentMessageId;
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}
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ev.n.receive(ev.m);
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sendQueue.push(ev);
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}
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sourceNode.metric("send",{_msgid:sentMessageId});
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processSendEvent();
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}
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}
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@ -108,5 +145,7 @@ module.exports = {
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init:init,
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add:add,
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remove: remove,
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send:send
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send:send,
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pause:pause,
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resume:resume
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}
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