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Commit e543d8ad authored by Randy Sommerfeld's avatar Randy Sommerfeld
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Allow IPv{4,6} only queries while retaining backwards compatibility.

parent d79ad1b8
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1 merge request!463MRC mods by Codefenix (2024-10-20)
......@@ -587,12 +587,26 @@ DNS.prototype.synchronous_query = function(queries, callback, thisObj, recursive
return ret;
};
DNS.prototype.resolve = function(host, callback, thisObj)
DNS.prototype.resolveIPv4 = function(host, callback, thisObj) {
this.resolveProcess(host, callback, [{query:host, type:'A'}], thisObj);
}
DNS.prototype.resolveIPv6 = function(host, callback, thisObj) {
this.resolveProcess(host, callback, [{query:host, type:'AAAA'}], thisObj);
}
DNS.prototype.resolve = function(host, callback, thisObj) {
this.resolveProcess(host, callback, [{query:host, type:'AAAA'},{query:host, type:'A'}], thisObj);
}
DNS.prototype.resolveProcess = function(host, callback, dnstype, thisObj)
{
var ctx = {A:{}, AAAA:{}, unique_id:'DNS.prototype.resolve'};
var final;
var respA;
var respAAAA;
var queries;
var queries_done;
this.sockets.forEach(function(sock) {
ctx.unique_id += '.'+sock.local_port;
......@@ -612,12 +626,16 @@ DNS.prototype.resolve = function(host, callback, thisObj)
ctx.final_callback = function() {
this.ret = [];
this.AAAA.addrs.forEach(function(addr) {
this.ret.push(addr);
}, this);
this.A.addrs.forEach(function(addr) {
this.ret.push(addr);
}, this);
if (this.AAAA.addrs !== undefined) {
this.AAAA.addrs.forEach(function(addr) {
this.ret.push(addr);
}, this);
}
if (this.A.addrs !== undefined) {
this.A.addrs.forEach(function(addr) {
this.ret.push(addr);
}, this);
}
if (this.callback !== undefined) {
js.removeEventListener(this.final);
js.removeEventListener(this.respA);
......@@ -629,8 +647,8 @@ DNS.prototype.resolve = function(host, callback, thisObj)
ctx.final = js.addEventListener(ctx.unique_id+'.final', ctx.final_callback);
ctx.respA_callback = function() {
this.A.done = true;
if (this.AAAA.done) {
this.queries_done++;
if (this.queries_done >= this.queries) {
if (this.final !== undefined)
js.dispatchEvent(this.unique_id + '.final', this);
else
......@@ -641,8 +659,8 @@ DNS.prototype.resolve = function(host, callback, thisObj)
ctx.respA = js.addEventListener(ctx.unique_id+'.respA', ctx.respA_callback);
ctx.respAAAA_callback = function() {
this.AAAA.done = true;
if (this.A.done) {
this.queries_done++;
if (this.queries_done >= this.queries) {
if (this.final !== undefined)
js.dispatchEvent(this.unique_id + '.final', this);
else
......@@ -684,7 +702,10 @@ DNS.prototype.resolve = function(host, callback, thisObj)
this['resp'+rectype+'_callback']();
}
this.query([{query:host, type:'AAAA'},{query:host, type:'A'}], handle_response, ctx);
ctx.queries = dnstype.length;
ctx.queries_done = 0;
this.query(dnstype, handle_response, ctx);
return ctx.ret;
};
......
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