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Lint Switch code

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Nick O'Leary 2018-07-08 22:13:36 +01:00
parent 1b693eed37
commit 1a6babd199
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1 changed files with 52 additions and 61 deletions
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113
nodes/core/logic/10-switch.js
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@ -59,19 +59,19 @@ module.exports = function(RED) {
'else': function(a) { return a === true; }
};
var _max_kept_msgs_count = undefined;
var _maxKeptCount;
function max_kept_msgs_count(node) {
if (_max_kept_msgs_count === undefined) {
function getMaxKeptCount() {
if (_maxKeptCount === undefined) {
var name = "nodeMessageBufferMaxLength";
if (RED.settings.hasOwnProperty(name)) {
_max_kept_msgs_count = RED.settings[name];
_maxKeptCount = RED.settings[name];
}
else {
_max_kept_msgs_count = 0;
_maxKeptCount = 0;
}
}
return _max_kept_msgs_count;
return _maxKeptCount;
}
function SwitchNode(n) {
@ -94,10 +94,10 @@ module.exports = function(RED) {
var node = this;
var valid = true;
var repair = n.repair;
var needs_count = repair;
var needsCount = repair;
for (var i=0; i<this.rules.length; i+=1) {
var rule = this.rules[i];
needs_count = needs_count || ((rule.t === "tail") || (rule.t === "jsonata_exp"));
needsCount = needsCount || ((rule.t === "tail") || (rule.t === "jsonata_exp"));
if (!rule.vt) {
if (!isNaN(Number(rule.v))) {
rule.vt = 'num';
@ -142,26 +142,26 @@ module.exports = function(RED) {
return;
}
var pending_count = 0;
var pending_id = 0;
var pending_in = {};
var pending_out = {};
var pendingCount = 0;
var pendingId = 0;
var pendingIn = {};
var pendingOut = {};
var received = {};
function add2group_in(id, msg, parts) {
if (!(id in pending_in)) {
pending_in[id] = {
function addMessageToGroup(id, msg, parts) {
if (!(id in pendingIn)) {
pendingIn[id] = {
count: undefined,
msgs: [],
seq_no: pending_id++
seq_no: pendingId++
};
}
var group = pending_in[id];
var group = pendingIn[id];
group.msgs.push(msg);
pending_count++;
var max_msgs = max_kept_msgs_count(node);
if ((max_msgs > 0) && (pending_count > max_msgs)) {
clear_pending();
pendingCount++;
var max_msgs = getMaxKeptCount();
if ((max_msgs > 0) && (pendingCount > max_msgs)) {
clearPending();
node.error(RED._("switch.errors.too-many"), msg);
}
if (parts.hasOwnProperty("count")) {
@ -170,32 +170,29 @@ module.exports = function(RED) {
return group;
}
function del_group_in(id, group) {
pending_count -= group.msgs.length;
delete pending_in[id];
}
function add2pending_in(msg) {
function addMessageToPending(msg) {
var parts = msg.parts;
if (parts.hasOwnProperty("id") &&
parts.hasOwnProperty("index")) {
var group = add2group_in(parts.id, msg, parts);
var group = addMessageToGroup(parts.id, msg, parts);
var msgs = group.msgs;
var count = group.count;
if (count === msgs.length) {
for (var i = 0; i < msgs.length; i++) {
var msg = msgs[i];
msg.parts.count = count;
process_msg(msg, false);
processMessage(msg, false);
}
del_group_in(parts.id, group);
pendingCount -= group.msgs.length;
delete pendingIn[parts.id];
}
return true;
}
return false;
}
function send_group(onwards, port_count) {
function sendGroup(onwards, port_count) {
var counts = new Array(port_count).fill(0);
for (var i = 0; i < onwards.length; i++) {
var onward = onwards[i];
@ -230,47 +227,41 @@ module.exports = function(RED) {
}
}
function send2ports(onward, msg) {
function sendMessages(onward, msg) {
var parts = msg.parts;
var gid = parts.id;
received[gid] = ((gid in received) ? received[gid] : 0) +1;
var send_ok = (received[gid] === parts.count);
if (!(gid in pending_out)) {
pending_out[gid] = {
if (!(gid in pendingOut)) {
pendingOut[gid] = {
onwards: []
};
}
var group = pending_out[gid];
var group = pendingOut[gid];
var onwards = group.onwards;
onwards.push(onward);
pending_count++;
pendingCount++;
if (send_ok) {
send_group(onwards, onward.length, msg);
pending_count -= onward.length;
delete pending_out[gid];
sendGroup(onwards, onward.length, msg);
pendingCount -= onward.length;
delete pendingOut[gid];
delete received[gid];
}
var max_msgs = max_kept_msgs_count(node);
if ((max_msgs > 0) && (pending_count > max_msgs)) {
clear_pending();
var max_msgs = getMaxKeptCount();
if ((max_msgs > 0) && (pendingCount > max_msgs)) {
clearPending();
node.error(RED._("switch.errors.too-many"), msg);
}
}
function msg_has_parts(msg) {
if (msg.hasOwnProperty("parts")) {
var parts = msg.parts;
return (parts.hasOwnProperty("id") &&
parts.hasOwnProperty("index"));
}
return false;
}
function processMessage(msg, check_parts) {
var has_parts = msg.hasOwnProperty("parts") &&
msg.parts.hasOwnProperty("id") &&
msg.parts.hasOwnProperty("index");
function process_msg(msg, check_parts) {
var has_parts = msg_has_parts(msg);
if (needs_count && check_parts && has_parts &&
add2pending_in(msg)) {
if (needsCount && check_parts && has_parts &&
addMessageToPending(msg)) {
return;
}
var onward = [];
@ -344,27 +335,27 @@ module.exports = function(RED) {
node.send(onward);
}
else {
send2ports(onward, msg);
sendMessages(onward, msg);
}
} catch(err) {
node.warn(err);
}
}
function clear_pending() {
pending_count = 0;
pending_id = 0;
pending_in = {};
pending_out = {};
function clearPending() {
pendingCount = 0;
pendingId = 0;
pendingIn = {};
pendingOut = {};
received = {};
}
this.on('input', function(msg) {
process_msg(msg, true);
processMessage(msg, true);
});
this.on('close', function() {
clear_pending();
clearPending();
});
}