Remove dns_legacy

2 files changed, 0 insertions, 324 deletions

diff --git a/lib/dns_uv.js b/lib/dns.js
index caaf50d789..caaf50d789 100644
--- a/lib/dns_uv.js
+++ b/lib/dns.js
diff --git a/lib/dns_legacy.js b/lib/dns_legacy.js
deleted file mode 100644
index 1a71bf4944..0000000000
--- a/lib/dns_legacy.js
+++ /dev/null
@@ -1,324 +0,0 @@
-// 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 dns = process.binding('cares');
-var net = process.binding('net');
-var IOWatcher = process.binding('io_watcher').IOWatcher;
-
-
-var watchers = {};
-var activeWatchers = {};
-var Timer = process.binding('timer').Timer;
-
-var timer = new Timer();
-
-timer.ontimeout = function() {
-  var sockets = Object.keys(activeWatchers);
-  for (var i = 0, l = sockets.length; i < l; i++) {
-    var socket = sockets[i];
-    var s = parseInt(socket, 10);
-    channel.processFD(watchers[socket].read ? s : dns.SOCKET_BAD,
-                      watchers[socket].write ? s : dns.SOCKET_BAD);
-  }
-  updateTimer();
-};
-
-
-function updateTimer() {
-  timer.stop();
-
-  // Were just checking to see if activeWatchers is empty or not
-  if (0 === Object.keys(activeWatchers).length) return;
-  var max = 20000;
-  var timeout = channel.timeout(max);
-  timer.start(timeout, 0);
-}
-
-
-var channel = new dns.Channel({SOCK_STATE_CB: function(socket, read, write) {
-  var watcher, fd;
-
-  if (process.platform == 'win32') {
-    fd = process.binding('os').openOSHandle(socket);
-  } else {
-    fd = socket;
-  }
-
-  if (socket in watchers) {
-    watcher = watchers[socket].watcher;
-  } else {
-    watcher = new IOWatcher();
-    watchers[socket] = { read: read,
-                         write: write,
-                         watcher: watcher };
-
-    watcher.callback = function(read, write)  {
-      channel.processFD(read ? socket : dns.SOCKET_BAD,
-                        write ? socket : dns.SOCKET_BAD);
-      updateTimer();
-    };
-  }
-
-  watcher.stop();
-
-  if (!(read || write)) {
-    delete activeWatchers[socket];
-    return;
-  } else {
-    watcher.set(fd, read == 1, write == 1);
-    watcher.start();
-    activeWatchers[socket] = watcher;
-  }
-
-  updateTimer();
-}});
-
-// c-ares invokes a callback either synchronously or asynchronously,
-// but the dns API should always invoke a callback asynchronously.
-//
-// This function makes sure that the callback is invoked asynchronously.
-// It returns a function that invokes the callback within nextTick().
-//
-// To avoid invoking unnecessary nextTick(), `immediately` property of
-// returned function should be set to true after c-ares returned.
-//
-// Usage:
-//
-// function someAPI(callback) {
-//   callback = makeAsync(callback);
-//   channel.someAPI(..., callback);
-//   callback.immediately = true;
-// }
-function makeAsync(callback) {
-  if (typeof callback !== 'function') {
-    return callback;
-  }
-  return function asyncCallback() {
-    if (asyncCallback.immediately) {
-      // The API already returned, we can invoke the callback immediately.
-      callback.apply(null, arguments);
-    } else {
-      var args = arguments;
-      process.nextTick(function() {
-        callback.apply(null, args);
-      });
-    }
-  };
-}
-
-
-exports.resolve = function(domain, type_, callback_) {
-  var type, callback;
-  if (typeof(type_) == 'string') {
-    type = type_;
-    callback = callback_;
-  } else {
-    type = 'A';
-    callback = arguments[1];
-  }
-
-  var resolveFunc = resolveMap[type];
-
-  if (typeof(resolveFunc) == 'function') {
-    resolveFunc(domain, callback);
-  } else {
-    throw new Error('Unknown type "' + type + '"');
-  }
-};
-
-
-function familyToSym(family) {
-  if (family !== dns.AF_INET && family !== dns.AF_INET6) {
-    family = (family === 6) ? dns.AF_INET6 : dns.AF_INET;
-  }
-  return family;
-}
-
-
-exports.getHostByName = function(domain, family/*=4*/, callback) {
-  if (typeof family === 'function') { callback = family; family = null; }
-  callback = makeAsync(callback);
-  channel.getHostByName(domain, familyToSym(family), callback);
-  callback.immediately = true;
-};
-
-
-exports.getHostByAddr = function(address, family/*=4*/, callback) {
-  if (typeof family === 'function') { callback = family; family = null; }
-  callback = makeAsync(callback);
-  channel.getHostByAddr(address, familyToSym(family), callback);
-  callback.immediately = true;
-};
-
-
-// Easy DNS A/AAAA look up
-// lookup(domain, [family,] callback)
-exports.lookup = function(domain, family, callback) {
-  // parse arguments
-  if (arguments.length === 2) {
-    callback = family;
-    family = undefined;
-  } else if (family && family !== 4 && family !== 6) {
-    family = parseInt(family, 10);
-    if (family === dns.AF_INET) {
-      family = 4;
-    } else if (family === dns.AF_INET6) {
-      family = 6;
-    } else if (family !== 4 && family !== 6) {
-      throw new Error('invalid argument: "family" must be 4 or 6');
-    }
-  }
-  callback = makeAsync(callback);
-
-  if (!domain) {
-    callback(null, null, family === 6 ? 6 : 4);
-    return;
-  }
-
-  var matchedFamily = net.isIP(domain);
-  if (matchedFamily) {
-    callback(null, domain, matchedFamily);
-    return;
-  }
-
-  if (/\w\.local\.?$/.test(domain)) {
-    // ANNOYING: In the case of mDNS domains use NSS in the thread pool.
-    // I wish c-ares had better support.
-    process.binding('net').getaddrinfo(domain, 4, function(err, domains4) {
-      callback(err, domains4[0], 4);
-    });
-    callback.immediately = true;
-    return;
-  }
-
-  if (family) {
-    // resolve names for explicit address family
-    var af = familyToSym(family);
-    channel.getHostByName(domain, af, function(err, domains) {
-      if (!err && domains && domains.length) {
-        if (family !== net.isIP(domains[0])) {
-          callback(new Error('not found'), []);
-        } else {
-          callback(null, domains[0], family);
-        }
-      } else {
-        callback(err, []);
-      }
-    });
-    callback.immediately = true;
-    return;
-  }
-
-  // first resolve names for v4 and if that fails, try v6
-  channel.getHostByName(domain, dns.AF_INET, function(err, domains4) {
-    if (domains4 && domains4.length) {
-      callback(null, domains4[0], 4);
-    } else {
-      channel.getHostByName(domain, dns.AF_INET6, function(err, domains6) {
-        if (domains6 && domains6.length) {
-          callback(null, domains6[0], 6);
-        } else {
-          callback(err, []);
-        }
-      });
-    }
-  });
-  callback.immediately = true;
-};
-
-
-exports.resolve4 = function(domain, callback) {
-  callback = makeAsync(callback);
-  channel.query(domain, dns.A, callback);
-  callback.immediately = true;
-};
-
-
-exports.resolve6 = function(domain, callback) {
-  callback = makeAsync(callback);
-  channel.query(domain, dns.AAAA, callback);
-  callback.immediately = true;
-};
-
-
-exports.resolveMx = function(domain, callback) {
-  callback = makeAsync(callback);
-  channel.query(domain, dns.MX, callback);
-  callback.immediately = true;
-};
-
-
-exports.resolveTxt = function(domain, callback) {
-  callback = makeAsync(callback);
-  channel.query(domain, dns.TXT, callback);
-  callback.immediately = true;
-};
-
-
-exports.resolveSrv = function(domain, callback) {
-  callback = makeAsync(callback);
-  channel.query(domain, dns.SRV, callback);
-  callback.immediately = true;
-};
-
-
-exports.reverse = function(domain, callback) {
-  callback = makeAsync(callback);
-  channel.query(domain, dns.PTR, callback);
-  callback.immediately = true;
-};
-
-
-exports.resolveNs = function(domain, callback) {
-  callback = makeAsync(callback);
-  channel.query(domain, dns.NS, callback);
-  callback.immediately = true;
-};
-
-
-exports.resolveCname = function(domain, callback) {
-  callback = makeAsync(callback);
-  channel.query(domain, dns.CNAME, callback);
-  callback.immediately = true;
-};
-
-var resolveMap = { A: exports.resolve4,
-                   AAAA: exports.resolve6,
-                   MX: exports.resolveMx,
-                   TXT: exports.resolveTxt,
-                   SRV: exports.resolveSrv,
-                   PTR: exports.reverse,
-                   NS: exports.resolveNs,
-                   CNAME: exports.resolveCname };
-
-// ERROR CODES
-exports.NODATA = dns.NODATA;
-exports.FORMERR = dns.FORMERR;
-exports.BADRESP = dns.BADRESP;
-exports.NOTFOUND = dns.NOTFOUND;
-exports.BADNAME = dns.BADNAME;
-exports.TIMEOUT = dns.TIMEOUT;
-exports.CONNREFUSED = dns.CONNREFUSED;
-exports.NOMEM = dns.NOMEM;
-exports.DESTRUCTION = dns.DESTRUCTION;
-exports.NOTIMP = dns.NOTIMP;
-exports.EREFUSED = dns.EREFUSED;
-exports.SERVFAIL = dns.SERVFAIL;