Example #1
0
func (s *S) TestUnmarshalAllItemsWithPtrSetter(c *C) {
	for _, item := range allItems {
		for i := 0; i != 2; i++ {
			var field *setterType
			if i == 0 {
				obj := &ptrSetterDoc{}
				err := bson.Unmarshal([]byte(wrapInDoc(item.data)), obj)
				c.Assert(err, IsNil)
				field = obj.Field
			} else {
				obj := &valSetterDoc{}
				err := bson.Unmarshal([]byte(wrapInDoc(item.data)), obj)
				c.Assert(err, IsNil)
				field = &obj.Field
			}
			if item.data == "" {
				// Nothing to unmarshal. Should be untouched.
				if i == 0 {
					c.Assert(field, IsNil)
				} else {
					c.Assert(field.received, IsNil)
				}
			} else {
				expected := item.obj.(bson.M)["_"]
				c.Assert(field, NotNil, Commentf("Pointer not initialized (%#v)", expected))
				c.Assert(field.received, DeepEquals, expected)
			}
		}
	}
}
Example #2
0
func (s *S) TestUnmarshalMapDocumentTooShort(c *C) {
	for _, data := range corruptedData {
		err := bson.Unmarshal([]byte(data), bson.M{})
		c.Assert(err, ErrorMatches, "Document is corrupted")

		err = bson.Unmarshal([]byte(data), &struct{}{})
		c.Assert(err, ErrorMatches, "Document is corrupted")
	}
}
Example #3
0
// GetMeta unmarshals the optional "metadata" field associated with the
// file into the result parameter. The meaning of keys under that field
// is user-defined. For example:
//
//     result := struct{ INode int }{}
//     err = file.GetMeta(&result)
//     if err != nil {
//         panic(err.String())
//     }
//     fmt.Printf("inode: %d\n", result.INode)
//
func (file *GridFile) GetMeta(result interface{}) (err error) {
	file.m.Lock()
	if file.doc.Metadata != nil {
		err = bson.Unmarshal(file.doc.Metadata.Data, result)
	}
	file.m.Unlock()
	return
}
Example #4
0
func (s *S) TestUnmarshalSampleItems(c *C) {
	for i, item := range sampleItems {
		value := bson.M{}
		err := bson.Unmarshal([]byte(item.data), value)
		c.Assert(err, IsNil)
		c.Assert(value, DeepEquals, item.obj, Commentf("Failed on item %d", i))
	}
}
Example #5
0
func (s *S) TestUnmarshalNilInStruct(c *C) {
	// Nil is the default value, so we need to ensure it's indeed being set.
	b := byte(1)
	v := &struct{ Ptr *byte }{&b}
	err := bson.Unmarshal([]byte(wrapInDoc("\x0Aptr\x00")), v)
	c.Assert(err, IsNil)
	c.Assert(v, DeepEquals, &struct{ Ptr *byte }{nil})
}
Example #6
0
func (s *S) TestUnmarshalZeroesMap(c *C) {
	data, err := bson.Marshal(bson.M{"b": 2})
	c.Assert(err, IsNil)
	m := bson.M{"a": 1}
	err = bson.Unmarshal(data, &m)
	c.Assert(err, IsNil)
	c.Assert(m, DeepEquals, bson.M{"b": 2})
}
Example #7
0
func (s *S) TestUnmarshalAllItems(c *C) {
	for i, item := range allItems {
		value := bson.M{}
		err := bson.Unmarshal([]byte(wrapInDoc(item.data)), value)
		c.Assert(err, IsNil)
		c.Assert(value, DeepEquals, item.obj, Commentf("Failed on item %d: %#v", i, item))
	}
}
Example #8
0
func (s *S) TestMarshalShortWithGetter(c *C) {
	obj := typeWithIntGetter{42}
	data, err := bson.Marshal(obj)
	c.Assert(err, IsNil)
	m := bson.M{}
	err = bson.Unmarshal(data, m)
	c.Assert(m["v"], Equals, 42)
}
Example #9
0
func (s *S) TestUnmarshalZeroesStruct(c *C) {
	data, err := bson.Marshal(bson.M{"b": 2})
	c.Assert(err, IsNil)
	type T struct{ A, B int }
	v := T{A: 1}
	err = bson.Unmarshal(data, &v)
	c.Assert(err, IsNil)
	c.Assert(v.A, Equals, 0)
	c.Assert(v.B, Equals, 2)
}
Example #10
0
func testCrossPair(c *C, dump interface{}, load interface{}) {
	c.Logf("Dump: %#v", dump)
	c.Logf("Load: %#v", load)
	zero := makeZeroDoc(load)
	data, err := bson.Marshal(dump)
	c.Assert(err, IsNil)
	c.Logf("Dumped: %#v", string(data))
	err = bson.Unmarshal(data, zero)
	c.Assert(err, IsNil)
	c.Logf("Loaded: %#v", zero)
	c.Assert(zero, DeepEquals, load)
}
Example #11
0
func BenchmarkUnmarhsalMap(b *testing.B) {
	m := bson.M{"a": "a", "d": "d", "e": "e"}
	data, err := bson.Marshal(&m)
	if err != nil {
		panic(err)
	}
	b.ResetTimer()
	for i := 0; i < b.N; i++ {
		err = bson.Unmarshal(data, &m)
	}
	if err != nil {
		panic(err)
	}
}
Example #12
0
func BenchmarkUnmarhsalStruct(b *testing.B) {
	v := BenchT{A: "A", D: "D", E: "E"}
	data, err := bson.Marshal(&v)
	if err != nil {
		panic(err)
	}
	b.ResetTimer()
	for i := 0; i < b.N; i++ {
		err = bson.Unmarshal(data, &v)
	}
	if err != nil {
		panic(err)
	}
}
Example #13
0
func (s *S) TestUnmarshalErrorItems(c *C) {
	for _, item := range unmarshalErrorItems {
		data := []byte(wrapInDoc(item.data))
		var value interface{}
		switch reflect.ValueOf(item.obj).Kind() {
		case reflect.Map, reflect.Ptr:
			value = makeZeroDoc(item.obj)
		case reflect.Invalid:
			value = bson.M{}
		default:
			value = item.obj
		}
		err := bson.Unmarshal(data, value)
		c.Assert(err, ErrorMatches, item.error)
	}
}
Example #14
0
func (socket *mongoSocket) resetNonce() {
	debugf("Socket %p to %s: requesting a new nonce", socket, socket.addr)
	op := &queryOp{}
	op.query = &getNonceCmd{GetNonce: 1}
	op.collection = "admin.$cmd"
	op.limit = -1
	op.replyFunc = func(err error, reply *replyOp, docNum int, docData []byte) {
		if err != nil {
			socket.kill(errors.New("getNonce: "+err.Error()), true)
			return
		}
		result := &getNonceResult{}
		err = bson.Unmarshal(docData, &result)
		if err != nil {
			socket.kill(errors.New("Failed to unmarshal nonce: "+err.Error()), true)
			return
		}
		debugf("Socket %p to %s: nonce unmarshalled: %#v", socket, socket.addr, result)
		if result.Code == 13390 {
			// mongos doesn't yet support auth (see http://j.mp/mongos-auth)
			result.Nonce = "mongos"
		} else if result.Nonce == "" {
			var msg string
			if result.Err != "" {
				msg = fmt.Sprintf("Got an empty nonce: %s (%d)", result.Err, result.Code)
			} else {
				msg = "Got an empty nonce"
			}
			socket.kill(errors.New(msg), true)
			return
		}
		socket.Lock()
		if socket.cachedNonce != "" {
			socket.Unlock()
			panic("resetNonce: nonce already cached")
		}
		socket.cachedNonce = result.Nonce
		socket.gotNonce.Signal()
		socket.Unlock()
	}
	err := socket.Query(op)
	if err != nil {
		socket.kill(errors.New("resetNonce: "+err.Error()), true)
	}
}
Example #15
0
func (s *S) TestUnmarshalSetterErrors(c *C) {
	boom := errors.New("BOOM")
	setterResult["2"] = boom
	defer func() {
		delete(setterResult, "2")
	}()

	m := map[string]*setterType{}
	data := wrapInDoc("\x02abc\x00\x02\x00\x00\x001\x00" +
		"\x02def\x00\x02\x00\x00\x002\x00" +
		"\x02ghi\x00\x02\x00\x00\x003\x00")
	err := bson.Unmarshal([]byte(data), m)
	c.Assert(err, Equals, boom)
	c.Assert(m["abc"], NotNil)
	c.Assert(m["def"], IsNil)
	c.Assert(m["ghi"], IsNil)

	c.Assert(m["abc"].received, Equals, "1")
}
Example #16
0
func (s *S) TestUnmarshalSetterOmits(c *C) {
	setterResult["2"] = &bson.TypeError{}
	setterResult["4"] = &bson.TypeError{}
	defer func() {
		delete(setterResult, "2")
		delete(setterResult, "4")
	}()

	m := map[string]*setterType{}
	data := wrapInDoc("\x02abc\x00\x02\x00\x00\x001\x00" +
		"\x02def\x00\x02\x00\x00\x002\x00" +
		"\x02ghi\x00\x02\x00\x00\x003\x00" +
		"\x02jkl\x00\x02\x00\x00\x004\x00")
	err := bson.Unmarshal([]byte(data), m)
	c.Assert(err, IsNil)
	c.Assert(m["abc"], NotNil)
	c.Assert(m["def"], IsNil)
	c.Assert(m["ghi"], NotNil)
	c.Assert(m["jkl"], IsNil)

	c.Assert(m["abc"].received, Equals, "1")
	c.Assert(m["ghi"].received, Equals, "3")
}
Example #17
0
// Estimated minimum cost per socket: 1 goroutine + memory for the largest
// document ever seen.
func (socket *mongoSocket) readLoop() {
	p := make([]byte, 36) // 16 from header + 20 from OP_REPLY fixed fields
	s := make([]byte, 4)
	conn := socket.conn // No locking, conn never changes.
	for {
		// XXX Handle timeouts, , etc
		err := fill(conn, p)
		if err != nil {
			socket.kill(err, true)
			return
		}

		totalLen := getInt32(p, 0)
		responseTo := getInt32(p, 8)
		opCode := getInt32(p, 12)

		// Don't use socket.server.Addr here.  socket is not
		// locked and socket.server may go away.
		debugf("Socket %p to %s: got reply (%d bytes)", socket, socket.addr, totalLen)

		_ = totalLen

		if opCode != 1 {
			socket.kill(errors.New("opcode != 1, corrupted data?"), true)
			return
		}

		reply := replyOp{
			flags:     uint32(getInt32(p, 16)),
			cursorId:  getInt64(p, 20),
			firstDoc:  getInt32(p, 28),
			replyDocs: getInt32(p, 32),
		}

		stats.receivedOps(+1)
		stats.receivedDocs(int(reply.replyDocs))

		socket.Lock()
		replyFunc, replyFuncFound := socket.replyFuncs[uint32(responseTo)]
		socket.Unlock()

		if replyFunc != nil && reply.replyDocs == 0 {
			replyFunc(nil, &reply, -1, nil)
		} else {
			for i := 0; i != int(reply.replyDocs); i++ {
				err := fill(conn, s)
				if err != nil {
					socket.kill(err, true)
					return
				}

				b := make([]byte, int(getInt32(s, 0)))

				// copy(b, s) in an efficient way.
				b[0] = s[0]
				b[1] = s[1]
				b[2] = s[2]
				b[3] = s[3]

				err = fill(conn, b[4:])
				if err != nil {
					socket.kill(err, true)
					return
				}

				if globalDebug && globalLogger != nil {
					m := bson.M{}
					if err := bson.Unmarshal(b, m); err == nil {
						debugf("Socket %p to %s: received document: %#v", socket, socket.addr, m)
					}
				}

				if replyFunc != nil {
					replyFunc(nil, &reply, i, b)
				}

				// XXX Do bound checking against totalLen.
			}
		}

		// Only remove replyFunc after iteration, so that kill() will see it.
		socket.Lock()
		if replyFuncFound {
			delete(socket.replyFuncs, uint32(responseTo))
		}
		socket.Unlock()

		// XXX Do bound checking against totalLen.
	}
}
Example #18
0
func (socket *mongoSocket) Login(db string, user string, pass string) error {
	socket.Lock()
	for _, a := range socket.auth {
		if a.db == db && a.user == user && a.pass == pass {
			debugf("Socket %p to %s: login: db=%q user=%q (already logged in)", socket, socket.addr, db, user)
			socket.Unlock()
			return nil
		}
	}
	if auth, found := socket.dropLogout(db, user, pass); found {
		debugf("Socket %p to %s: login: db=%q user=%q (cached)", socket, socket.addr, db, user)
		socket.auth = append(socket.auth, auth)
		socket.Unlock()
		return nil
	}
	socket.Unlock()

	debugf("Socket %p to %s: login: db=%q user=%q", socket, socket.addr, db, user)

	// Note that this only works properly because this function is
	// synchronous, which means the nonce won't get reset while we're
	// using it and any other login requests will block waiting for a
	// new nonce provided in the defer call below.
	nonce, err := socket.getNonce()
	if err != nil {
		return err
	}
	defer socket.resetNonce()

	psum := md5.New()
	psum.Write([]byte(user + ":mongo:" + pass))

	ksum := md5.New()
	ksum.Write([]byte(nonce + user))
	ksum.Write([]byte(hex.EncodeToString(psum.Sum(nil))))

	key := hex.EncodeToString(ksum.Sum(nil))

	cmd := authCmd{Authenticate: 1, User: user, Nonce: nonce, Key: key}

	var mutex sync.Mutex
	var replyErr error
	mutex.Lock()

	op := queryOp{}
	op.query = &cmd
	op.collection = db + ".$cmd"
	op.limit = -1
	op.replyFunc = func(err error, reply *replyOp, docNum int, docData []byte) {
		defer mutex.Unlock()

		if err != nil {
			replyErr = err
			return
		}

		// Must handle this within the read loop for the socket, so
		// that concurrent login requests are properly ordered.
		result := &authResult{}
		err = bson.Unmarshal(docData, result)
		if err != nil {
			replyErr = err
			return
		}
		if !result.Ok {
			replyErr = errors.New(result.ErrMsg)
		}

		socket.Lock()
		socket.dropAuth(db)
		socket.auth = append(socket.auth, authInfo{db, user, pass})
		socket.Unlock()
	}

	err = socket.Query(&op)
	if err != nil {
		return err
	}
	mutex.Lock() // Wait.
	if replyErr != nil {
		debugf("Socket %p to %s: login error: %s", socket, socket.addr, replyErr)
	} else {
		debugf("Socket %p to %s: login successful", socket, socket.addr)
	}
	return replyErr
}
Example #19
0
func testUnmarshal(c *C, data string, obj interface{}) {
	zero := makeZeroDoc(obj)
	err := bson.Unmarshal([]byte(data), zero)
	c.Assert(err, IsNil)
	c.Assert(zero, DeepEquals, obj)
}
Example #20
0
func (s *S) TestUnmarshalWholeDocumentWithSetter(c *C) {
	obj := &setterType{}
	err := bson.Unmarshal([]byte(sampleItems[0].data), obj)
	c.Assert(err, IsNil)
	c.Assert(obj.received, DeepEquals, bson.M{"hello": "world"})
}