Bindings for libuv-integrated c-ares

This commit is contained in:
Bert Belder 2011-07-05 00:17:20 +02:00
Родитель c953ecfb9e
Коммит 858f23094e
8 изменённых файлов: 1149 добавлений и 10 удалений

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173
lib/dns_uv.js Normal file
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// 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 cares = process.binding('cares_wrap'),
net = require('net'),
isIp = net.isIP;
function errnoException(errorno, syscall) {
// TODO make this more compatible with ErrnoException from src/node.cc
// Once all of Node is using this function the ErrnoException from
// src/node.cc should be removed.
var e = new Error(syscall + ' ' + errorno);
e.errno = errorno;
e.syscall = syscall;
return e;
}
function familyToSym(family) {
switch (family) {
case 4: return cares.AF_INET;
case 6: return cares.AF_INET6;
default: return cares.AF_UNSPEC;
}
}
function symToFamily(family) {
switch (family) {
case cares.AF_INET: return 4;
case cares.AF_INET6: return 6;
default: return undefined;
}
}
// 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 = 0;
} else if (!family) {
family = 0;
} else {
family = +family;
if (family !== 4 && family !== 6) {
throw new Error('invalid argument: `family` must be 4 or 6');
}
}
if (!domain) {
callback(null, null, family === 6 ? 6 : 4);
return {};
}
var matchedFamily = net.isIP(domain);
if (matchedFamily) {
callback(null, domain, matchedFamily);
return {};
}
/* TODO
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);
});
return {};
} */
function onanswer(status, addresses, familySym) {
if (!status) {
callback(null, addresses[0], symToFamily(familySym));
} else {
callback(errnoException(errno, 'getHostByName'));
}
}
var wrap = cares.getHostByName(domain, familyToSym(family), onanswer);
if (!wrap) {
throw errnoException(errno, 'getHostByName');
}
return wrap;
};
function resolver(bindingName) {
var binding = cares[bindingName];
return function query(name, callback) {
function onanswer(status, result) {
if (!status) {
callback(null, result);
} else {
callback(errnoException(errno, bindingName));
}
}
var wrap = binding(name, onanswer);
if (!wrap) {
throw errnoException(errno, bindingName);
}
return wrap;
}
}
var resolveMap = {};
exports.resolve4 = resolveMap.A = resolver('queryA');
exports.resolve6 = resolveMap.AAAA = resolver('queryAaaa');
exports.resolveCname = resolveMap.CNAME = resolver('queryCname');
exports.resolveMx = resolveMap.MX = resolver('queryMx');
exports.resolveNs = resolveMap.NS = resolver('queryNs');
exports.resolveTxt = resolveMap.TXT = resolver('queryTxt');
exports.resolveSrv = resolveMap.SRV = resolver('querySrv');
exports.reverse = resolveMap.PTR = resolver('getHostByAddr');
exports.resolve = function(domain, type_, callback_) {
var resolver, callback;
if (typeof type_ == 'string') {
resolver = resolveMap[type_];
callback = callback_;
} else {
resolver = exports.resolve4;
callback = type_;
}
if (typeof resolver === 'function') {
return resolver(domain, callback);
} else {
throw new Error('Unknown type "' + type + '"');
}
};
// ERROR CODES
exports.BADNAME = 'EBADNAME';
exports.BADRESP = 'EBADRESP';
exports.CONNREFUSED = 'ECONNREFUSED';
exports.DESTRUCTION = 'EDESTRUCTION';
exports.REFUSED = 'EREFUSED';
exports.FORMERR = 'EFORMERR';
exports.NODATA = 'ENODATA';
exports.NOMEM = 'ENOMEM';
exports.NOTFOUND = 'ENOTFOUND';
exports.NOTIMP = 'ENOTIMP';
exports.SERVFAIL = 'ESERVFAIL';
exports.TIMEOUT = 'ETIMEOUT';

601
src/cares_wrap.cc Normal file
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// 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.
#include <assert.h>
#include <node.h>
#include <uv.h>
#if defined(__OpenBSD__) || defined(__MINGW32__)
# include <nameser.h>
#else
# include <arpa/nameser.h>
#endif
// Temporary hack: libuv should provide uv_inet_pton and uv_inet_ntop.
#ifdef __MINGW32__
extern "C" {
# include <inet_net_pton.h>
# include <inet_ntop.h>
}
# define uv_inet_pton ares_inet_pton
# define uv_inet_ntop ares_inet_ntop
#else // __POSIX__
# include <arpa/inet.h>
# define uv_inet_pton inet_pton
# define uv_inet_ntop inet_ntop
#endif
namespace node {
namespace cares_wrap {
using v8::Arguments;
using v8::Array;
using v8::Context;
using v8::Function;
using v8::Handle;
using v8::HandleScope;
using v8::Integer;
using v8::Local;
using v8::Null;
using v8::Object;
using v8::Persistent;
using v8::String;
using v8::Value;
static Persistent<String> onanswer_sym;
static ares_channel ares_channel;
static Local<Array> HostentToAddresses(struct hostent* host) {
HandleScope scope;
Local<Array> addresses = Array::New();
char ip[INET6_ADDRSTRLEN];
for (int i = 0; host->h_addr_list[i]; ++i) {
uv_inet_ntop(host->h_addrtype, host->h_addr_list[i], ip, sizeof(ip));
Local<String> address = String::New(ip);
addresses->Set(Integer::New(i), address);
}
return scope.Close(addresses);
}
static Local<Array> HostentToNames(struct hostent* host) {
HandleScope scope;
Local<Array> names = Array::New();
for (int i = 0; host->h_aliases[i]; ++i) {
Local<String> address = String::New(host->h_aliases[i]);
names->Set(Integer::New(i), address);
}
return scope.Close(names);
}
static const char* AresErrnoString(int errorno) {
switch (errorno) {
#define ERRNO_CASE(e) case ARES_##e: return #e;
ERRNO_CASE(SUCCESS)
ERRNO_CASE(ENODATA)
ERRNO_CASE(EFORMERR)
ERRNO_CASE(ESERVFAIL)
ERRNO_CASE(ENOTFOUND)
ERRNO_CASE(ENOTIMP)
ERRNO_CASE(EREFUSED)
ERRNO_CASE(EBADQUERY)
ERRNO_CASE(EBADNAME)
ERRNO_CASE(EBADFAMILY)
ERRNO_CASE(EBADRESP)
ERRNO_CASE(ECONNREFUSED)
ERRNO_CASE(ETIMEOUT)
ERRNO_CASE(EOF)
ERRNO_CASE(EFILE)
ERRNO_CASE(ENOMEM)
ERRNO_CASE(EDESTRUCTION)
ERRNO_CASE(EBADSTR)
ERRNO_CASE(EBADFLAGS)
ERRNO_CASE(ENONAME)
ERRNO_CASE(EBADHINTS)
ERRNO_CASE(ENOTINITIALIZED)
ERRNO_CASE(ELOADIPHLPAPI)
ERRNO_CASE(EADDRGETNETWORKPARAMS)
ERRNO_CASE(ECANCELLED)
#undef ERRNO_CASE
default:
assert(0 && "Unhandled c-ares error");
return "(UNKNOWN)";
}
}
static void SetAresErrno(int errorno) {
HandleScope scope;
Handle<Value> key = String::NewSymbol("errno");
Handle<Value> value = String::NewSymbol(AresErrnoString(errorno));
Context::GetCurrent()->Global()->Set(key, value);
}
class QueryWrap {
public:
QueryWrap() {
HandleScope scope;
object_ = Persistent<Object>::New(Object::New());
}
~QueryWrap() {
assert(!object_.IsEmpty());
object_->DeleteHiddenValue(onanswer_sym);
object_.Dispose();
object_.Clear();
}
Handle<Object> GetObject() {
return object_;
}
void SetOnAnswer(Handle<Value> onanswer) {
assert(onanswer->IsFunction());
object_->SetHiddenValue(onanswer_sym, onanswer);
}
// Subclasses should implement the appropriate Send method.
virtual int Send(const char* name) {
assert(0);
}
virtual int Send(const char* name, int family) {
assert(0);
}
protected:
void* GetQueryArg() {
return static_cast<void*>(this);
}
static void Callback(void *arg, int status, int timeouts,
unsigned char* answer_buf, int answer_len) {
QueryWrap* wrap = reinterpret_cast<QueryWrap*>(arg);
if (status != ARES_SUCCESS) {
wrap->ParseError(status);
} else {
wrap->Parse(answer_buf, answer_len);
}
delete wrap;
}
static void Callback(void *arg, int status, int timeouts,
struct hostent* host) {
QueryWrap* wrap = reinterpret_cast<QueryWrap*>(arg);
if (status != ARES_SUCCESS) {
wrap->ParseError(status);
} else {
wrap->Parse(host);
}
delete wrap;
}
Handle<Function> GetOnAnswer() {
HandleScope scope;
assert(!object_.IsEmpty());
Handle<Value> onanswer = object_->GetHiddenValue(onanswer_sym);
assert(onanswer->IsFunction());
return scope.Close(Handle<Function>::Cast(onanswer));
}
void CallOnAnswer(Local<Value> answer) {
HandleScope scope;
Local<Value> argv[2] = { Integer::New(0), answer };
GetOnAnswer()->Call(this->object_, 2, argv);
}
void CallOnAnswer(Local<Value> answer, Local<Value> family) {
HandleScope scope;
Local<Value> argv[3] = { Integer::New(0), answer, family };
GetOnAnswer()->Call(this->object_, 3, argv);
}
void ParseError(int status) {
assert(status != ARES_SUCCESS);
SetAresErrno(status);
HandleScope scope;
Local<Value> argv[1] = { Integer::New(-1) };
GetOnAnswer()->Call(this->object_, 1, argv);
}
// Subclasses should implement the appropriate Parse method.
virtual void Parse(unsigned char* buf, int len) {
assert(0);
};
virtual void Parse(struct hostent* host) {
assert(0);
};
private:
Persistent<Object> object_;
};
class QueryAWrap: public QueryWrap {
public:
int Send(const char* name) {
ares_query(ares_channel, name, ns_c_in, ns_t_a, Callback, GetQueryArg());
return 0;
}
protected:
void Parse(unsigned char* buf, int len) {
HandleScope scope;
struct hostent* host;
int status = ares_parse_a_reply(buf, len, &host, NULL, NULL);
if (status != ARES_SUCCESS) {
this->ParseError(status);
return;
}
Local<Array> addresses = HostentToAddresses(host);
ares_free_hostent(host);
this->CallOnAnswer(addresses);
}
};
class QueryAaaaWrap: public QueryWrap {
public:
int Send(const char* name) {
ares_query(ares_channel,
name,
ns_c_in,
ns_t_aaaa,
Callback,
GetQueryArg());
return 0;
}
protected:
void Parse(unsigned char* buf, int len) {
HandleScope scope;
struct hostent* host;
int status = ares_parse_aaaa_reply(buf, len, &host, NULL, NULL);
if (status != ARES_SUCCESS) {
this->ParseError(status);
return;
}
Local<Array> addresses = HostentToAddresses(host);
ares_free_hostent(host);
this->CallOnAnswer(addresses);
}
};
class QueryCnameWrap: public QueryWrap {
public:
int Send(const char* name) {
ares_query(ares_channel,
name,
ns_c_in,
ns_t_cname,
Callback,
GetQueryArg());
return 0;
}
protected:
void Parse(unsigned char* buf, int len) {
HandleScope scope;
struct hostent* host;
int status = ares_parse_a_reply(buf, len, &host, NULL, NULL);
if (status != ARES_SUCCESS) {
this->ParseError(status);
return;
}
// A cname lookup always returns a single record but we follow the
// common API here.
Local<Array> result = Array::New(1);
result->Set(0, String::New(host->h_name));
ares_free_hostent(host);
this->CallOnAnswer(result);
}
};
class QueryMxWrap: public QueryWrap {
public:
int Send(const char* name) {
ares_query(ares_channel, name, ns_c_in, ns_t_mx, Callback, GetQueryArg());
return 0;
}
protected:
void Parse(unsigned char* buf, int len) {
HandleScope scope;
struct ares_mx_reply* mx_start;
int status = ares_parse_mx_reply(buf, len, &mx_start);
if (status != ARES_SUCCESS) {
this->ParseError(status);
return;
}
Local<Array> mx_records = Array::New();
Local<String> exchange_symbol = String::NewSymbol("exchange");
Local<String> priority_symbol = String::NewSymbol("priority");
int i = 0;
for (struct ares_mx_reply* mx_current = mx_start;
mx_current;
mx_current = mx_current->next) {
Local<Object> mx_record = Object::New();
mx_record->Set(exchange_symbol, String::New(mx_current->host));
mx_record->Set(priority_symbol, Integer::New(mx_current->priority));
mx_records->Set(Integer::New(i++), mx_record);
}
ares_free_data(mx_start);
this->CallOnAnswer(mx_records);
}
};
class QueryNsWrap: public QueryWrap {
public:
int Send(const char* name) {
ares_query(ares_channel, name, ns_c_in, ns_t_ns, Callback, GetQueryArg());
return 0;
}
protected:
void Parse(unsigned char* buf, int len) {
struct hostent* host;
int status = ares_parse_ns_reply(buf, len, &host);
if (status != ARES_SUCCESS) {
this->ParseError(status);
return;
}
Local<Array> names = HostentToNames(host);
ares_free_hostent(host);
this->CallOnAnswer(names);
}
};
class QuerySrvWrap: public QueryWrap {
public:
int Send(const char* name) {
ares_query(ares_channel,
name,
ns_c_in,
ns_t_srv,
Callback,
GetQueryArg());
return 0;
}
protected:
void Parse(unsigned char* buf, int len) {
HandleScope scope;
struct ares_srv_reply* srv_start;
int status = ares_parse_srv_reply(buf, len, &srv_start);
if (status != ARES_SUCCESS) {
this->ParseError(status);
return;
}
Local<Array> srv_records = Array::New();
Local<String> host_symbol = String::NewSymbol("host");
Local<String> port_symbol = String::NewSymbol("port");
Local<String> priority_symbol = String::NewSymbol("priority");
Local<String> weight_symbol = String::NewSymbol("weight");
int i = 0;
for (struct ares_srv_reply* srv_current = srv_start;
srv_current;
srv_current = srv_current->next) {
Local<Object> srv_record = Object::New();
srv_record->Set(host_symbol, String::New(srv_current->host));
srv_record->Set(port_symbol, Integer::New(srv_current->port));
srv_record->Set(priority_symbol, Integer::New(srv_current->priority));
srv_record->Set(weight_symbol, Integer::New(srv_current->weight));
srv_records->Set(Integer::New(i++), srv_record);
}
ares_free_data(srv_start);
this->CallOnAnswer(srv_records);
}
};
class GetHostByAddrWrap: public QueryWrap {
public:
int Send(const char* name) {
int length, family;
char address_buffer[sizeof(struct in6_addr)];
if (uv_inet_pton(AF_INET, name, &address_buffer) == 1) {
length = sizeof(struct in_addr);
family = AF_INET;
} else if (uv_inet_pton(AF_INET6, name, &address_buffer) == 1) {
length = sizeof(struct in6_addr);
family = AF_INET6;
} else {
return ARES_ENOTIMP;
}
ares_gethostbyaddr(ares_channel,
address_buffer,
length,
family,
Callback,
GetQueryArg());
return 0;
}
protected:
void Parse(struct hostent* host) {
HandleScope scope;
this->CallOnAnswer(HostentToNames(host));
}
};
class GetHostByNameWrap: public QueryWrap {
public:
int Send(const char* name, int family) {
ares_gethostbyname(ares_channel, name, family, Callback, GetQueryArg());
return 0;
}
protected:
void Parse(struct hostent* host) {
HandleScope scope;
Local<Array> addresses = HostentToAddresses(host);
Local<Integer> family = Integer::New(host->h_addrtype);
this->CallOnAnswer(addresses, family);
}
};
template <class Wrap>
static Handle<Value> Query(const Arguments& args) {
HandleScope scope;
assert(!args.IsConstructCall());
assert(args.Length() >= 2);
assert(args[1]->IsFunction());
Wrap* wrap = new Wrap();
wrap->SetOnAnswer(args[1]);
// We must cache the wrap's js object here, because cares might make the
// callback from the wrap->Send stack. This will destroy the wrap's internal
// object reference, causing wrap->GetObject() to return undefined.
Local<Object> object = Local<Object>::New(wrap->GetObject());
String::Utf8Value name(args[0]->ToString());
int r = wrap->Send(*name);
if (r) {
SetAresErrno(r);
delete wrap;
return scope.Close(v8::Null());
} else {
return scope.Close(object);
}
}
template <class Wrap>
static Handle<Value> QueryWithFamily(const Arguments& args) {
HandleScope scope;
assert(!args.IsConstructCall());
assert(args.Length() >= 3);
assert(args[2]->IsFunction());
Wrap* wrap = new Wrap();
wrap->SetOnAnswer(args[2]);
// We must cache the wrap's js object here, because cares might make the
// callback from the wrap->Send stack. This will destroy the wrap's internal
// object reference, causing wrap->GetObject() to return undefined.
Local<Object> object = Local<Object>::New(wrap->GetObject());
String::Utf8Value name(args[0]->ToString());
int family = args[1]->Int32Value();
int r = wrap->Send(*name, family);
if (r) {
SetAresErrno(r);
delete wrap;
return scope.Close(v8::Null());
} else {
return scope.Close(object);
}
}
static void Initialize(Handle<Object> target) {
HandleScope scope;
int r;
r = ares_library_init(ARES_LIB_INIT_ALL);
assert(r == ARES_SUCCESS);
struct ares_options options;
uv_ares_init_options(&ares_channel, &options, 0);
assert(r == 0);
NODE_SET_METHOD(target, "queryA", Query<QueryAWrap>);
NODE_SET_METHOD(target, "queryAaaa", Query<QueryAaaaWrap>);
NODE_SET_METHOD(target, "queryCname", Query<QueryCnameWrap>);
NODE_SET_METHOD(target, "queryMx", Query<QueryMxWrap>);
NODE_SET_METHOD(target, "queryNs", Query<QueryNsWrap>);
NODE_SET_METHOD(target, "querySrv", Query<QuerySrvWrap>);
NODE_SET_METHOD(target, "getHostByAddr", Query<GetHostByAddrWrap>);
NODE_SET_METHOD(target, "getHostByName", QueryWithFamily<GetHostByNameWrap>);
target->Set(String::NewSymbol("AF_INET"), Integer::New(AF_INET));
target->Set(String::NewSymbol("AF_INET6"), Integer::New(AF_INET6));
target->Set(String::NewSymbol("AF_UNSPEC"), Integer::New(AF_UNSPEC));
onanswer_sym = Persistent<String>::New(String::NewSymbol("onanswer"));
}
} // namespace cares_wrap
} // namespace node
NODE_MODULE(node_cares_wrap, node::cares_wrap::Initialize);

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@ -390,6 +390,9 @@
case 'timers':
return process.useUV ? 'timers_uv' : 'timers_legacy';
case 'dns':
return process.useUV ? 'dns_uv' : 'dns_legacy';
default:
return id;
}

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@ -44,6 +44,7 @@ NODE_EXT_LIST_ITEM(node_os)
// libuv rewrite
NODE_EXT_LIST_ITEM(node_timer_wrap)
NODE_EXT_LIST_ITEM(node_tcp_wrap)
NODE_EXT_LIST_ITEM(node_cares_wrap)
NODE_EXT_LIST_END

370
test/internet/test-dns.js Normal file
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// 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 assert = require('assert');
dns = require('dns'),
net = require('net_uv');
isIP = net.isIP,
isIPv4 = net.isIPv4,
isIPv6 = net.isIPv6;
var expected = 0,
completed = 0,
running = false,
queue = [];
function TEST(f) {
function next() {
var f = queue.shift();
if (f) {
running = true;
console.log(f.name);
f(done);
}
}
function done() {
running = false;
completed++;
process.nextTick(next);
}
expected++;
queue.push(f);
if (!running) {
next();
}
}
process.on('exit', function() {
console.log(completed + " tests completed");
assert.equal(running, false);
assert.strictEqual(expected, completed);
});
TEST(function test_resolve4(done) {
var req = dns.resolve4('www.google.com', function(err, ips) {
if (err) throw err;
assert.ok(ips.length > 0);
for (var i = 0; i < ips.length; i++) {
assert.ok(isIPv4(ips[i]));
}
done();
});
assert.ok(typeof req === 'object');
});
TEST(function test_resolve6(done) {
var req = dns.resolve6('ipv6.google.com', function(err, ips) {
if (err) throw err;
assert.ok(ips.length > 0);
for (var i = 0; i < ips.length; i++) {
assert.ok(isIPv6(ips[i]));
}
done();
});
assert.ok(typeof req === 'object');
});
TEST(function test_reverse_ipv4(done) {
var req = dns.reverse('8.8.8.8', function(err, domains) {
if (err) throw err;
assert.ok(domains.length > 0);
for (var i = 0; i < domains.length; i++) {
assert.ok(domains[i]);
assert.ok(typeof domains[i] === 'string');
}
done();
});
assert.ok(typeof req === 'object');
});
TEST(function test_reverse_ipv6(done) {
var req = dns.reverse('2001:4860:4860::8888', function(err, domains) {
if (err) throw err;
assert.ok(domains.length > 0);
for (var i = 0; i < domains.length; i++) {
assert.ok(domains[i]);
assert.ok(typeof domains[i] === 'string');
}
done();
});
assert.ok(typeof req === 'object');
});
TEST(function test_reverse_bogus(done) {
var error;
try {
var req = dns.reverse('bogus ip', function() {
assert.ok(false);
});
} catch(e) {
error = e;
}
assert.ok(error instanceof Error);
assert.strictEqual(error.errno, "ENOTIMP");
done();
});
TEST(function test_resolveMx(done) {
var req = dns.resolveMx('gmail.com', function(err, result) {
if (err) throw err;
assert.ok(result.length > 0);
for (var i = 0; i < result.length; i++) {
var item = result[i];
assert.ok(item);
assert.ok(typeof item === 'object');
assert.ok(item.exchange);
assert.ok(typeof item.exchange === 'string');
assert.ok(typeof item.priority === 'number');
}
done();
});
assert.ok(typeof req === 'object');
});
TEST(function test_resolveNs(done) {
var req = dns.resolveNs('rackspace.com', function(err, names) {
if (err) throw err;
assert.ok(names.length > 0);
for (var i = 0; i < names.length; i++) {
var name = names[i];
assert.ok(name);
assert.ok(typeof name === 'string');
}
done();
});
assert.ok(typeof req === 'object');
});
TEST(function test_resolveSrv(done) {
var req = dns.resolveSrv('_jabber._tcp.google.com', function(err, result) {
if (err) throw err;
assert.ok(result.length > 0);
for (var i = 0; i < result.length; i++) {
var item = result[i];
assert.ok(item);
assert.ok(typeof item === 'object');
assert.ok(item.host);
assert.ok(typeof item.host === 'string');
assert.ok(typeof item.port === 'number');
assert.ok(typeof item.priority === 'number');
assert.ok(typeof item.weight === 'number');
}
done();
});
assert.ok(typeof req === 'object');
});
TEST(function test_resolveCname(done) {
var req = dns.resolveCname('www.google.com', function(err, names) {
if (err) throw err;
assert.ok(names.length > 0);
for (var i = 0; i < names.length; i++) {
var name = names[i];
assert.ok(name);
assert.ok(typeof name === 'string');
}
done();
});
assert.ok(typeof req === 'object');
});
TEST(function test_lookup_ipv4_explicit(done) {
var req = dns.lookup('www.google.com', 4, function(err, ip, family) {
if (err) throw err;
assert.ok(net.isIPv4(ip));
assert.strictEqual(family, 4);
done();
});
assert.ok(typeof req === 'object');
});
TEST(function test_lookup_ipv4_implicit(done) {
var req = dns.lookup('www.google.com', function(err, ip, family) {
if (err) throw err;
assert.ok(net.isIPv4(ip));
assert.strictEqual(family, 4);
done();
});
assert.ok(typeof req === 'object');
});
TEST(function test_lookup_ipv6_explicit(done) {
var req = dns.lookup('ipv6.google.com', 6, function(err, ip, family) {
if (err) throw err;
assert.ok(net.isIPv6(ip));
assert.strictEqual(family, 6);
done();
});
assert.ok(typeof req === 'object');
});
TEST(function test_lookup_ipv6_implicit(done) {
var req = dns.lookup('ipv6.google.com', function(err, ip, family) {
if (err) throw err;
assert.ok(net.isIPv6(ip));
assert.strictEqual(family, 6);
done();
});
assert.ok(typeof req === 'object');
});
TEST(function test_lookup_failure(done) {
var req = dns.lookup('does.not.exist', 4, function(err, ip, family) {
assert.ok(err instanceof Error);
assert.strictEqual(err.errno, 'ENOTFOUND');
done();
});
assert.ok(typeof req === 'object');
});
TEST(function test_lookup_null(done) {
var req = dns.lookup(null, function(err, ip, family) {
if (err) throw err;
assert.strictEqual(ip, null);
assert.strictEqual(family, 4);
done();
});
assert.ok(typeof req === 'object');
});
TEST(function test_lookup_ip_ipv4(done) {
var req = dns.lookup("127.0.0.1", function(err, ip, family) {
if (err) throw err;
assert.strictEqual(ip, "127.0.0.1");
assert.strictEqual(family, 4);
done();
});
assert.ok(typeof req === 'object');
});
TEST(function test_lookup_ip_ipv6(done) {
var req = dns.lookup("::1", function(err, ip, family) {
if (err) throw err;
assert.ok(net.isIPv6(ip));
assert.strictEqual(family, 6);
done();
});
assert.ok(typeof req === 'object');
});
TEST(function test_lookup_localhost_ipv4(done) {
var req = dns.lookup("localhost", 4, function(err, ip, family) {
if (err) throw err;
assert.strictEqual(ip, "127.0.0.1");
assert.strictEqual(family, 4);
done();
});
assert.ok(typeof req === 'object');
});
/* Disabled because it appears to be not working on linux. */
/* TEST(function test_lookup_localhost_ipv6(done) {
var req = dns.lookup("localhost", 6, function(err, ip, family) {
if (err) throw err;
assert.ok(net.isIPv6(ip));
assert.strictEqual(family, 6);
done();
});
assert.ok(typeof req === 'object');
}); */

Просмотреть файл

@ -27,16 +27,6 @@ var dns = require('dns');
// Try resolution without callback
dns.getHostByName('localhost', function(error, result) {
console.dir(result);
assert.deepEqual(['127.0.0.1'], result);
});
dns.getHostByName('127.0.0.1', function(error, result) {
console.dir(result);
assert.deepEqual(['127.0.0.1'], result);
});
dns.lookup(null, function(error, result, addressType) {
assert.equal(null, result);
assert.equal(4, addressType);

Просмотреть файл

@ -819,6 +819,7 @@ def build(bld):
src/node_string.cc
src/timer_wrap.cc
src/tcp_wrap.cc
src/cares_wrap.cc
"""
if sys.platform.startswith("win32"):