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fix multiple input message processing of file node

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This commit is contained in:
Hiroyasu Nishiyama
2018-09-21 21:07:44 +09:00
parent 08fccc4e77
commit 1a226c4dc6
2 changed files with 72 additions and 3 deletions
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32
nodes/core/storage/50-file.js
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@@ -29,8 +29,9 @@ module.exports = function(RED) {
var node = this;
node.wstream = null;
node.data = [];
node.msgQueue = [];
this.on("input",function(msg) {
function processMsg(msg, done) {
var filename = node.filename || msg.filename || "";
if ((!node.filename) && (!node.tout)) {
node.tout = setTimeout(function() {
@@ -41,6 +42,7 @@ module.exports = function(RED) {
}
if (filename === "") {
node.warn(RED._("file.errors.nofilename"));
done();
} else if (node.overwriteFile === "delete") {
fs.unlink(filename, function (err) {
if (err) {
@@ -51,6 +53,7 @@ module.exports = function(RED) {
}
node.send(msg);
}
done();
});
} else if (msg.hasOwnProperty("payload") && (typeof msg.payload !== "undefined")) {
var dir = path.dirname(filename);
@@ -59,6 +62,7 @@ module.exports = function(RED) {
fs.ensureDirSync(dir);
} catch(err) {
node.error(RED._("file.errors.createfail",{error:err.toString()}),msg);
done();
return;
}
}
@@ -82,6 +86,7 @@ module.exports = function(RED) {
node.wstream.on("open", function() {
node.wstream.end(packet.data, function() {
node.send(packet.msg);
done();
});
})
})(node.data.shift());
@@ -130,6 +135,7 @@ module.exports = function(RED) {
var packet = node.data.shift()
node.wstream.write(packet.data, function() {
node.send(packet.msg);
done();
});
} else {
@@ -137,14 +143,34 @@ module.exports = function(RED) {
var packet = node.data.shift()
node.wstream.end(packet.data, function() {
node.send(packet.msg);
delete node.wstream;
delete node.wstreamIno;
done();
});
delete node.wstream;
delete node.wstreamIno;
}
}
}
}
}
this.on("input", function(msg) {
var msgQueue = node.msgQueue;
function processQ() {
var msg = msgQueue[0];
processMsg(msg, function() {
msgQueue.shift();
if (msgQueue.length > 0) {
processQ();
}
});
}
if (msgQueue.push(msg) > 1) {
// pending write exists
return;
}
processQ();
});
this.on('close', function() {
if (node.wstream) { node.wstream.end(); }
if (node.tout) { clearTimeout(node.tout); }