var UDP = process.binding('udp_wrap').UDP;
+var BIND_STATE_UNBOUND = 0;
+var BIND_STATE_BINDING = 1;
+var BIND_STATE_BOUND = 2;
+
// lazily loaded
var dns = null;
var net = null;
this._handle = handle;
this._receiving = false;
- this._bound = false;
+ this._bindState = BIND_STATE_UNBOUND;
this.type = type;
this.fd = null; // compatibility hack
// resolve address first
self._handle.lookup(address, function(err, ip) {
+ self._bindState = BIND_STATE_UNBOUND;
+
if (!self._handle)
return; // handle has been closed in the mean time
self._handle.onmessage = onMessage;
self._handle.recvStart();
self._receiving = true;
- self._bound = true;
+ self._bindState = BIND_STATE_BOUND;
self.fd = -42; // compatibility hack
self.emit('listening');
});
+
+ self._bindState = BIND_STATE_BINDING;
};
self._healthCheck();
- if (!self._bound) {
+ if (self._bindState == BIND_STATE_UNBOUND)
self.bind(0, null);
+
+ if (self._bindState != BIND_STATE_BOUND) {
self.once('listening', function() {
self.send(buffer, offset, length, port, address, callback);
});
--- /dev/null
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+var common = require('../common');
+var assert = require('assert');
+var dgram = require('dgram');
+
+var source = dgram.createSocket('udp4');
+var target = dgram.createSocket('udp4');
+var messages = 0;
+
+process.on('exit', function() {
+ assert.equal(messages, 2);
+});
+
+target.on('message', function(buf) {
+ if (buf.toString() === 'abc') ++messages;
+ if (buf.toString() === 'def') ++messages;
+ if (messages === 2) {
+ source.close();
+ target.close();
+ }
+});
+
+target.on('listening', function() {
+ // Second .send() call should not throw a bind error.
+ source.send(Buffer('abc'), 0, 3, common.PORT, '127.0.0.1');
+ source.send(Buffer('def'), 0, 3, common.PORT, '127.0.0.1');
+});
+
+target.bind(common.PORT);