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Code Issues Releases Wiki Activity

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
View File

@ -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); }

43
test/nodes/core/storage/50-file_spec.js
View File

@ -540,6 +540,49 @@ describe('file Nodes', function() {
});
});
it('should write to multiple files', function(done) {
var flow = [{id:"fileNode1", type:"file", name: "fileNode", "appendNewline":true, "overwriteFile":true, "createDir":true, wires: [["helperNode1"]]},
{id:"helperNode1", type:"helper"}];
var tmp_path = path.join(resourcesDir, "tmp");
var len = 1024*1024*10;
var file_count = 5;
helper.load(fileNode, flow, function() {
var n1 = helper.getNode("fileNode1");
var n2 = helper.getNode("helperNode1");
var count = 0;
n2.on("input", function(msg) {
try {
count++;
if (count == file_count) {
for(var i = 0; i < file_count; i++) {
var name = path.join(tmp_path, String(i));
var f = fs.readFileSync(name);
f.should.have.length(len);
f[0].should.have.equal(i);
}
fs.removeSync(tmp_path);
done();
}
}
catch (e) {
try {
fs.removeSync(tmp_path);
}
catch (e1) {
}
done(e);
}
});
for(var i = 0; i < file_count; i++) {
var data = new Buffer(len);
data.fill(i);
var name = path.join(tmp_path, String(i));
var msg = {payload:data, filename:name};
n1.receive(msg);
}
});
});
});