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add _writev again for batch write logs #58

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add _writev again for batch write logs #58

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15 changes: 15 additions & 0 deletions lib/RollingFileWriteStream.js
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Expand Up @@ -115,6 +115,21 @@ class RollingFileWriteStream extends Writable {
this.currentFileStream.end("", this.options.encoding, callback);
}

_writev(chunks, callback) {
const buffers = [];
const encoding = 'buffer';
const len = chunks.length;

for (let i = 0, chunk = null; i < len; ++i) {
chunk = chunks[i];
buffers.push(encoding === chunk.encoding ?
chunk.chunk :
new Buffer(chunk.chunk, chunk.encoding));
}

return this._write(Buffer.concat(buffers), encoding, callback);
}

_write(chunk, encoding, callback) {
this._shouldRoll().then(() => {
debug(
Expand Down
21 changes: 12 additions & 9 deletions test/RollingFileWriteStream-test.js
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Expand Up @@ -1130,9 +1130,10 @@ describe("RollingFileWriteStream", () => {
fs.ensureFileSync(fileObj.path);
fs.writeFileSync(fileObj.path, "This is exactly 30 bytes long\n");
s = new RollingFileWriteStream(fileObj.path, { maxSize: 35 });
s.write("one\n", "utf8"); //34
s.write("two\n", "utf8"); //38 - file should be rotated next time
s.write("three\n", "utf8", done); // this should be in a new file.
s.write("one\n", "utf8", function () { //34
s.write("two\n", "utf8"); //38 - file should be rotated next time
s.write("three\n", "utf8", done); // this should be in a new file.
});
});

after(done => {
Expand Down Expand Up @@ -1169,9 +1170,10 @@ describe("RollingFileWriteStream", () => {
maxSize: 35,
flags: "a+"
});
s.write("one\n", "utf8"); //34
s.write("two\n", "utf8"); //38 - file should be rotated next time
s.write("three\n", "utf8", done); // this should be in a new file.
s.write("one\n", "utf8", function () { //34
s.write("two\n", "utf8"); //38 - file should be rotated next time
s.write("three\n", "utf8", done); // this should be in a new file.
});
});

after(done => {
Expand Down Expand Up @@ -1211,9 +1213,10 @@ describe("RollingFileWriteStream", () => {
maxSize: 30,
numToKeep: 5
});
s.write("This is exactly 30 bytes long\n", "utf8"); // base.1 -> base.2, base -> base.1
s.write("This is exactly 30 bytes long\n", "utf8"); // base.2 -> base.3, base.1 -> base.2, base -> base.1
s.write("three\n", "utf8", done); // base.3 -> base.4, base.2 -> base.3, base.1 -> base.2, base -> base.1
s.write("This is exactly 30 bytes long\n", "utf8", function () { // base.1 -> base.2, base -> base.1
s.write("This is exactly 30 bytes long\n", "utf8"); // base.2 -> base.3, base.1 -> base.2, base -> base.1
s.write("three\n", "utf8", done); // base.3 -> base.4, base.2 -> base.3, base.1 -> base.2, base -> base.1
});
});

after(done => {
Expand Down