dgram: support dgram.send with multiple buffers

Added ability to dgram.send to send multiple buffers, _writev style.
The offset and length parameters in dgram.send are now optional.
Refactored the dgram benchmarks, and seperated them from net.
Added docs for the new signature.

Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Saúl Ibarra Corretgé <saghul@gmail.com>
Fixes: https://github.com/nodejs/node/issues/4302
PR-URL: https://github.com/nodejs/node/pull/4374

1 files changed, 0 insertions, 61 deletions

diff --git a/benchmark/net/dgram.js b/benchmark/net/dgram.js
deleted file mode 100644
index 6a0c5501c6..0000000000
--- a/benchmark/net/dgram.js
+++ /dev/null
@@ -1,61 +0,0 @@
-// test UDP send/recv throughput
-
-var common = require('../common.js');
-var PORT = common.PORT;
-
-// `num` is the number of send requests to queue up each time.
-// Keep it reasonably high (>10) otherwise you're benchmarking the speed of
-// event loop cycles more than anything else.
-var bench = common.createBenchmark(main, {
-  len: [1, 64, 256, 1024],
-  num: [100],
-  type: ['send', 'recv'],
-  dur: [5]
-});
-
-var dur;
-var len;
-var num;
-var type;
-var chunk;
-var encoding;
-
-function main(conf) {
-  dur = +conf.dur;
-  len = +conf.len;
-  num = +conf.num;
-  type = conf.type;
-  chunk = new Buffer(len);
-  server();
-}
-
-var dgram = require('dgram');
-
-function server() {
-  var sent = 0;
-  var received = 0;
-  var socket = dgram.createSocket('udp4');
-
-  function onsend() {
-    if (sent++ % num == 0)
-      for (var i = 0; i < num; i++)
-        socket.send(chunk, 0, chunk.length, PORT, '127.0.0.1', onsend);
-  }
-
-  socket.on('listening', function() {
-    bench.start();
-    onsend();
-
-    setTimeout(function() {
-      var bytes = (type === 'send' ? sent : received) * chunk.length;
-      var gbits = (bytes * 8) / (1024 * 1024 * 1024);
-      bench.end(gbits);
-    }, dur * 1000);
-  });
-
-  socket.on('message', function(buf, rinfo) {
-    received++;
-  });
-
-  socket.bind(PORT);
-}