示例#1
0
func TestReportPostHandler(t *testing.T) {
	test := func(contentType string, encoder func(interface{}) ([]byte, error)) {
		router := mux.NewRouter()
		c := app.NewCollector(1 * time.Minute)
		app.RegisterReportPostHandler(c, router)
		ts := httptest.NewServer(router)
		defer ts.Close()

		b, err := encoder(fixture.Report)
		if err != nil {
			t.Fatalf("Content-Type %s: %s", contentType, err)
		}

		req, err := http.NewRequest("POST", ts.URL+"/api/report", bytes.NewReader(b))
		if err != nil {
			t.Fatalf("Error posting report: %v", err)
		}
		req.Header.Set("Content-Type", contentType)

		resp, err := http.DefaultClient.Do(req)
		if err != nil {
			t.Fatalf("Error posting report %v", err)
		}

		_, err = ioutil.ReadAll(resp.Body)
		resp.Body.Close()
		if err != nil {
			t.Fatalf("Error posting report: %v", err)
		}

		if resp.StatusCode != http.StatusOK {
			t.Fatalf("Error posting report: %d", resp.StatusCode)
		}

		ctx := context.Background()
		report, err := c.Report(ctx)
		if err != nil {
			t.Error(err)
		}
		if want, have := fixture.Report.Endpoint.Nodes, report.Endpoint.Nodes; len(have) == 0 || len(want) != len(have) {
			t.Fatalf("Content-Type %s: %v", contentType, test.Diff(have, want))
		}
	}

	test("", func(v interface{}) ([]byte, error) {
		buf := &bytes.Buffer{}
		err := gob.NewEncoder(buf).Encode(v)
		return buf.Bytes(), err
	})
	test("application/json", func(v interface{}) ([]byte, error) {
		buf := &bytes.Buffer{}
		err := codec.NewEncoder(buf, &codec.JsonHandle{}).Encode(v)
		return buf.Bytes(), err
	})
	test("application/msgpack", func(v interface{}) ([]byte, error) {
		buf := &bytes.Buffer{}
		err := codec.NewEncoder(buf, &codec.MsgpackHandle{}).Encode(v)
		return buf.Bytes(), err
	})
}
示例#2
0
文件: http.go 项目: cursesun/nomad
// wrap is used to wrap functions to make them more convenient
func (s *HTTPServer) wrap(handler func(resp http.ResponseWriter, req *http.Request) (interface{}, error)) func(resp http.ResponseWriter, req *http.Request) {
	f := func(resp http.ResponseWriter, req *http.Request) {
		setHeaders(resp, s.agent.config.HTTPAPIResponseHeaders)
		// Invoke the handler
		reqURL := req.URL.String()
		start := time.Now()
		defer func() {
			s.logger.Printf("[DEBUG] http: Request %v (%v)", reqURL, time.Now().Sub(start))
		}()
		obj, err := handler(resp, req)

		// Check for an error
	HAS_ERR:
		if err != nil {
			s.logger.Printf("[ERR] http: Request %v, error: %v", reqURL, err)
			code := 500
			if http, ok := err.(HTTPCodedError); ok {
				code = http.Code()
			}
			resp.WriteHeader(code)
			resp.Write([]byte(err.Error()))
			return
		}

		prettyPrint := false
		if v, ok := req.URL.Query()["pretty"]; ok {
			if len(v) > 0 && (len(v[0]) == 0 || v[0] != "0") {
				prettyPrint = true
			}
		}

		// Write out the JSON object
		if obj != nil {
			var buf bytes.Buffer
			if prettyPrint {
				enc := codec.NewEncoder(&buf, jsonHandlePretty)
				err = enc.Encode(obj)
				if err == nil {
					buf.Write([]byte("\n"))
				}
			} else {
				enc := codec.NewEncoder(&buf, jsonHandle)
				err = enc.Encode(obj)
			}
			if err != nil {
				goto HAS_ERR
			}
			resp.Header().Set("Content-Type", "application/json")
			resp.Write(buf.Bytes())
		}
	}
	return f
}
示例#3
0
func newRPCCodec(conn io.ReadWriteCloser, h codec.Handle) *rpcCodec {
	bw := bufio.NewWriter(conn)
	br := bufio.NewReader(conn)
	bb := new(bytes.Buffer)
	return &rpcCodec{
		rwc:     conn,
		bw:      bw,
		br:      br,
		enc:     codec.NewEncoder(bw, h),
		dec:     codec.NewDecoder(br, h),
		benc:    codec.NewEncoder(bb, h),
		h:       h,
		byteBuf: bb,
	}
}
func TestEdgeMetadatasEncodingNil(t *testing.T) {
	want := EdgeMetadatas{}

	{
		gobs, err := want.GobEncode()
		if err != nil {
			t.Fatal(err)
		}
		have := EmptyEdgeMetadatas
		have.GobDecode(gobs)
		if have.psMap == nil {
			t.Error("needed to get back a non-nil psMap for EdgeMetadata")
		}
	}

	{

		for _, h := range []codec.Handle{
			codec.Handle(&codec.MsgpackHandle{}),
			codec.Handle(&codec.JsonHandle{}),
		} {
			buf := &bytes.Buffer{}
			encoder := codec.NewEncoder(buf, h)
			want.CodecEncodeSelf(encoder)
			decoder := codec.NewDecoder(buf, h)
			have := EmptyEdgeMetadatas
			have.CodecDecodeSelf(decoder)
			if !reflect.DeepEqual(want, have) {
				t.Error(test.Diff(want, have))
			}
		}
	}
}
示例#5
0
文件: net.go 项目: rbg/memberlist
// sendTCPUserMsg is used to send a TCP userMsg to another host
func (m *Memberlist) sendTCPUserMsg(to net.Addr, sendBuf []byte) error {
	dialer := net.Dialer{Timeout: m.config.TCPTimeout}
	conn, err := dialer.Dial("tcp", to.String())
	if err != nil {
		return err
	}
	defer conn.Close()

	bufConn := bytes.NewBuffer(nil)

	if err := bufConn.WriteByte(byte(userMsg)); err != nil {
		return err
	}

	// Send our node state
	header := userMsgHeader{UserMsgLen: len(sendBuf)}
	hd := codec.MsgpackHandle{}
	enc := codec.NewEncoder(bufConn, &hd)

	if err := enc.Encode(&header); err != nil {
		return err
	}

	if _, err := bufConn.Write(sendBuf); err != nil {
		return err
	}

	return m.rawSendMsgTCP(conn, bufConn.Bytes())
}
示例#6
0
// This test determines the behavior of codec with respect to advancing the
// Reader when decoding error scenarios. It seems that the codec advances
// the Reader if Decode fails, but sets its own state to expect a specific
// type for the next Decode, and thus is functionally the same as not
// advancing the Reader.
func TestCodec(t *testing.T) {
	var buf bytes.Buffer
	mh := &codec.MsgpackHandle{WriteExt: true}
	enc := codec.NewEncoder(&buf, mh)
	dec := codec.NewDecoder(&buf, mh)

	var i int = math.MaxInt32
	err := enc.Encode(i)
	require.Nil(t, err, "expected encoding to succeed")
	require.Equal(t, 5, len(buf.Bytes()), "expected buffer to contain bytes")

	var targetInt int
	err = dec.Decode(&targetInt)
	require.Nil(t, err, "expected decoding to succeed")
	require.Equal(t, math.MaxInt32, targetInt, "expected codec to successfully decode int")
	require.Equal(t, 0, len(buf.Bytes()), "expected buffer to be empty")

	var targetString string
	enc.Encode(i)
	require.Equal(t, 5, len(buf.Bytes()), "expected buffer to contain bytes")
	err = dec.Decode(&targetString)
	require.Error(t, err, "expected error while decoding")
	require.Contains(t, err.Error(), "Unrecognized descriptor byte", "expected error while decoding")
	require.Equal(t, 4, len(buf.Bytes()), "expected buffer to have bytes")
	err = dec.Decode(&targetString)
	require.Error(t, err, "expected error while decoding")
	require.Contains(t, err.Error(), "Unrecognized descriptor byte", "expected error while decoding")
	require.Equal(t, 4, len(buf.Bytes()), "expected buffer to have bytes")

	targetInt = 0
	err = dec.Decode(&targetInt)
	require.Nil(t, err, "expected decoding to succeed")
	require.Equal(t, math.MaxInt32, targetInt, "expected codec to successfully decode int")
	require.Equal(t, 0, len(buf.Bytes()), "expected buffer to be empty")
}
示例#7
0
// loadContents loads or calculates and saves package contents
func (collection *PackageCollection) loadContents(p *Package, packagePool aptly.PackagePool) []string {
	encoded, err := collection.db.Get(p.Key("xC"))
	if err == nil {
		contents := []string{}

		decoder := codec.NewDecoderBytes(encoded, collection.codecHandle)
		err = decoder.Decode(&contents)
		if err != nil {
			panic("unable to decode contents")
		}

		return contents
	}

	if err != database.ErrNotFound {
		panic("unable to load contents")
	}

	contents := p.CalculateContents(packagePool)

	var buf bytes.Buffer
	err = codec.NewEncoder(&buf, collection.codecHandle).Encode(contents)
	if err != nil {
		panic("unable to encode contents")
	}

	err = collection.db.Put(p.Key("xC"), buf.Bytes())
	if err != nil {
		panic("unable to save contents")
	}

	return contents
}
示例#8
0
文件: util.go 项目: rbg/raft
// Encode writes an encoded object to a new bytes buffer
func encodeMsgPack(in interface{}) (*bytes.Buffer, error) {
	buf := bytes.NewBuffer(nil)
	hd := codec.MsgpackHandle{}
	enc := codec.NewEncoder(buf, &hd)
	err := enc.Encode(in)
	return buf, err
}
示例#9
0
文件: main.go 项目: dmaze/goordinate
func handleConnection(conn net.Conn, jobd *jobserver.JobServer, cbor *codec.CborHandle) {
	defer conn.Close()

	jobdv := reflect.ValueOf(jobd)

	reader := bufio.NewReader(conn)
	decoder := codec.NewDecoder(reader, cbor)
	writer := bufio.NewWriter(conn)
	encoder := codec.NewEncoder(writer, cbor)

	for {
		var request cborrpc.Request
		err := decoder.Decode(&request)
		if err == io.EOF {
			return
		} else if err != nil {
			fmt.Printf("Error reading message: %v\n", err)
			return
		}
		fmt.Printf("Request: %v\n", request)
		response := doRequest(jobdv, request)
		fmt.Printf("Response: %v\n", response)
		err = encoder.Encode(response)
		if err != nil {
			fmt.Printf("Error encoding response: %v\n", err)
			return
		}
		err = writer.Flush()
		if err != nil {
			fmt.Printf("Error writing response: %v\n", err)
			return
		}
	}
}
示例#10
0
func idHandlerFunc(ctx *fasthttp.RequestCtx, idWorker *goflake.IdWorker, retry int) {
	ua := string(ctx.UserAgent())

	var (
		id  uint64
		err error
	)

	for i := 0; i < retry; i++ {
		id, err = idWorker.GetId(ua)
		if err == nil {
			break
		}
	}

	r := map[string]string{
		"id": strconv.FormatUint(id, 10),
	}

	if strings.HasSuffix(string(ctx.Path()), ".msgpack") {
		ctx.SetContentType("application/x-msgpack; charset=UTF-8")
		if err := codec.NewEncoder(ctx, mh).Encode(r); err != nil {
			ctx.Error(err.Error(), fasthttp.StatusInternalServerError)
		}
	} else {
		ctx.SetContentType("application/json; charset=UTF-8")
		if err := json.NewEncoder(ctx).Encode(r); err != nil {
			ctx.Error(fmt.Sprintf(`{"error":"%v"}`, err.Error()), fasthttp.StatusInternalServerError)
		}
	}
}
示例#11
0
func (c *dynamoDBCollector) Add(ctx context.Context, rep report.Report) error {
	userid, err := c.userIDer(ctx)
	if err != nil {
		return err
	}

	var buf bytes.Buffer
	writer := gzip.NewWriter(&buf)
	if err := codec.NewEncoder(writer, &codec.MsgpackHandle{}).Encode(&rep); err != nil {
		return err
	}
	writer.Close()

	now := time.Now()
	rowKey := fmt.Sprintf("%s-%s", userid, strconv.FormatInt(now.UnixNano()/time.Hour.Nanoseconds(), 10))
	_, err = c.db.PutItem(&dynamodb.PutItemInput{
		TableName: aws.String(tableName),
		Item: map[string]*dynamodb.AttributeValue{
			hourField: {
				S: aws.String(rowKey),
			},
			tsField: {
				N: aws.String(strconv.FormatInt(now.UnixNano(), 10)),
			},
			reportField: {
				B: buf.Bytes(),
			},
		},
	})
	if err != nil {
		return err
	}
	return nil
}
示例#12
0
文件: net_transport.go 项目: rbg/raft
// getConn is used to get a connection from the pool
func (n *NetworkTransport) getConn(target net.Addr) (*netConn, error) {
	// Check for a pooled conn
	if conn := n.getPooledConn(target); conn != nil {
		return conn, nil
	}

	// Dial a new connection
	conn, err := n.stream.Dial(target.String(), n.timeout)
	if err != nil {
		return nil, err
	}

	// Wrap the conn
	netConn := &netConn{
		target: target,
		conn:   conn,
		r:      bufio.NewReader(conn),
		w:      bufio.NewWriter(conn),
	}

	// Setup encoder/decoders
	netConn.dec = codec.NewDecoder(netConn.r, &codec.MsgpackHandle{})
	netConn.enc = codec.NewEncoder(netConn.w, &codec.MsgpackHandle{})

	// Done
	return netConn, nil
}
示例#13
0
func main() {

	var m = MsgPackSample{
		Name:    "ユイにゃん",
		Num:     17,
		Message: "AngelBeats!",
	}

	mh := &codec.MsgpackHandle{RawToString: true}
	buf1 := &bytes.Buffer{}
	buf2 := &bytes.Buffer{}

	var msgpackExample = MsgPackExample{
		mh:   mh,
		buf1: buf1,
		buf2: buf2,
		enc:  codec.NewEncoder(buf1, mh),
		dec:  codec.NewDecoder(buf2, mh),
		menc: msgpack.NewEncoder(buf1),
		mdec: msgpack.NewDecoder(buf2),
	}

	msgpackExample.packUnPackMsgPack(m)

	msgpackExample.packUnPackCodec(m)
}
示例#14
0
func (output *TDOutput) spawnEmitter() {
	output.logger.Notice("Spawning emitter")
	output.wg.Add(1)
	go func() {
		defer func() {
			output.spoolerDaemon.shutdownChan <- struct{}{}
			output.wg.Done()
		}()
		output.logger.Notice("Emitter started")
		buffer := bytes.Buffer{}
		for recordSet := range output.emitterChan {
			buffer.Reset()
			encoder := codec.NewEncoder(&buffer, output.codec)
			err := func() error {
				spooler, err := output.spoolerDaemon.getSpooler(recordSet.Tag)
				if err != nil {
					return err
				}
				addMetadata(&recordSet, output.metadata)
				err = encodeRecords(encoder, recordSet.Records)
				if err != nil {
					return err
				}
				output.logger.Debug("Emitter processed %d entries", len(recordSet.Records))
				return spooler.journal.Write(buffer.Bytes())
			}()
			if err != nil {
				output.logger.Error("%s", err.Error())
				continue
			}
		}
		output.logger.Notice("Emitter ended")
	}()
}
示例#15
0
文件: fsm.go 项目: askagirl/consul
func (s *consulSnapshot) Persist(sink raft.SnapshotSink) error {
	// Register the nodes
	encoder := codec.NewEncoder(sink, msgpackHandle)

	// Write the header
	header := snapshotHeader{
		LastIndex: s.state.LastIndex(),
	}
	if err := encoder.Encode(&header); err != nil {
		sink.Cancel()
		return err
	}

	if err := s.persistNodes(sink, encoder); err != nil {
		sink.Cancel()
		return err
	}

	if err := s.persistSessions(sink, encoder); err != nil {
		sink.Cancel()
		return err
	}

	if err := s.persistACLs(sink, encoder); err != nil {
		sink.Cancel()
		return err
	}

	if err := s.persistKV(sink, encoder); err != nil {
		sink.Cancel()
		return err
	}
	return nil
}
示例#16
0
// WriteAssets creates the assets in a dir. It expects dir to already exist.
func WriteAssets(w io.Writer, shards uint64) {
	encoder := codec.NewEncoder(w, &codec.JsonHandle{Indent: 2})

	ServiceAccount().CodecEncodeSelf(encoder)
	fmt.Fprintf(w, "\n")

	EtcdRc().CodecEncodeSelf(encoder)
	fmt.Fprintf(w, "\n")
	EtcdService().CodecEncodeSelf(encoder)
	fmt.Fprintf(w, "\n")

	RethinkService().CodecEncodeSelf(encoder)
	fmt.Fprintf(w, "\n")
	RethinkRc().CodecEncodeSelf(encoder)
	fmt.Fprintf(w, "\n")

	ObjdRc().CodecEncodeSelf(encoder)
	fmt.Fprintf(w, "\n")
	ObjdService().CodecEncodeSelf(encoder)
	fmt.Fprintf(w, "\n")

	PfsdRc(uint64(shards)).CodecEncodeSelf(encoder)
	fmt.Fprintf(w, "\n")
	PfsdService().CodecEncodeSelf(encoder)
	fmt.Fprintf(w, "\n")

	PpsdRc().CodecEncodeSelf(encoder)
	fmt.Fprintf(w, "\n")
	PpsdService().CodecEncodeSelf(encoder)
	fmt.Fprintf(w, "\n")

	RolerRc(uint64(shards)).CodecEncodeSelf(encoder)
	fmt.Fprintf(w, "\n")
}
示例#17
0
func TestLatestMapEncodingNil(t *testing.T) {
	want := LatestMap{}

	{
		gobs, err := want.GobEncode()
		if err != nil {
			t.Fatal(err)
		}
		have := EmptyLatestMap
		have.GobDecode(gobs)
		if have.Map == nil {
			t.Error("Decoded LatestMap.psMap should not be nil")
		}
	}

	{

		for _, h := range []codec.Handle{
			codec.Handle(&codec.MsgpackHandle{}),
			codec.Handle(&codec.JsonHandle{}),
		} {
			buf := &bytes.Buffer{}
			encoder := codec.NewEncoder(buf, h)
			want.CodecEncodeSelf(encoder)
			decoder := codec.NewDecoder(buf, h)
			have := EmptyLatestMap
			have.CodecDecodeSelf(decoder)
			if !reflect.DeepEqual(want, have) {
				t.Error(test.Diff(want, have))
			}
		}
	}
}
示例#18
0
func TestSpanMsgPack(t *testing.T) {
	span := Span{Id: TestId("33f25a1a750a471db5bafa59309d7d6f"),
		SpanData: SpanData{
			Begin:       1234,
			End:         5678,
			Description: "getFileDescriptors",
			Parents:     []SpanId{},
			TracerId:    "testTracerId",
		}}
	mh := new(codec.MsgpackHandle)
	mh.WriteExt = true
	w := bytes.NewBuffer(make([]byte, 0, 2048))
	enc := codec.NewEncoder(w, mh)
	err := enc.Encode(span)
	if err != nil {
		t.Fatal("Error encoding span as msgpack: " + err.Error())
	}
	buf := w.Bytes()
	fmt.Printf("span: %s\n", hex.EncodeToString(buf))
	mh = new(codec.MsgpackHandle)
	mh.WriteExt = true
	dec := codec.NewDecoder(bytes.NewReader(buf), mh)
	var span2 Span
	err = dec.Decode(&span2)
	if err != nil {
		t.Fatal("Failed to reverse msgpack encoding for " + span.String())
	}
	ExpectSpansEqual(t, &span, &span2)
}
示例#19
0
func toJSON(out interface{}) ([]byte, error) {
	buf := &bytes.Buffer{}
	json := &codec.JsonHandle{}
	encoder := codec.NewEncoder(buf, json)
	err := encoder.Encode(out)
	return buf.Bytes(), err
}
示例#20
0
// NewRPCClient is used to create a new RPC client given the address.
// This will properly dial, handshake, and start listening
func NewRPCClient(addr string) (*RPCClient, error) {
	// Try to dial to serf
	conn, err := net.Dial("tcp", addr)
	if err != nil {
		return nil, err
	}

	// Create the client
	client := &RPCClient{
		seq:        0,
		conn:       conn.(*net.TCPConn),
		reader:     bufio.NewReader(conn),
		writer:     bufio.NewWriter(conn),
		dispatch:   make(map[uint64]seqHandler),
		shutdownCh: make(chan struct{}),
	}
	client.dec = codec.NewDecoder(client.reader,
		&codec.MsgpackHandle{RawToString: true, WriteExt: true})
	client.enc = codec.NewEncoder(client.writer,
		&codec.MsgpackHandle{RawToString: true, WriteExt: true})
	go client.listen()

	// Do the initial handshake
	if err := client.handshake(); err != nil {
		client.Close()
		return nil, err
	}
	return client, err
}
示例#21
0
文件: service.go 项目: 40a/vega
func (s *Service) handleLongPoll(c net.Conn, msg *LongPoll, data *clientData) error {
	debugf("handleLongPoll for %#v\n", s.Registry)

	var ret PollResult

	if msg.Name == ":lwt" {
		ret.Message = data.lwt
	} else {
		dur, err := time.ParseDuration(msg.Duration)
		if err != nil {
			return err
		}

		val, err := s.Registry.LongPollCancelable(msg.Name, dur, data.done)
		if err != nil {
			return err
		}

		if val != nil {
			debugf("inflight for %s: %#v\n", data.parent.RemoteAddr(), data)
			data.inflight[val.Message.MessageId] = val
			ret.Message = val.Message
		}
	}

	c.Write([]byte{uint8(PollResultType)})
	enc := codec.NewEncoder(c, &msgpack)
	return enc.Encode(&ret)
}
示例#22
0
func TestAPITopologyAddsKubernetes(t *testing.T) {
	router := mux.NewRouter()
	c := app.NewCollector(1 * time.Minute)
	app.RegisterReportPostHandler(c, router)
	app.RegisterTopologyRoutes(router, c)
	ts := httptest.NewServer(router)
	defer ts.Close()

	body := getRawJSON(t, ts, "/api/topology")

	var topologies []app.APITopologyDesc
	decoder := codec.NewDecoderBytes(body, &codec.JsonHandle{})
	if err := decoder.Decode(&topologies); err != nil {
		t.Fatalf("JSON parse error: %s", err)
	}
	equals(t, 4, len(topologies))

	// Enable the kubernetes topologies
	rpt := report.MakeReport()
	rpt.Pod = report.MakeTopology()
	rpt.Pod.Nodes[fixture.ClientPodNodeID] = kubernetes.NewPod(&api.Pod{
		ObjectMeta: api.ObjectMeta{
			Name:      "pong-a",
			Namespace: "ping",
			Labels:    map[string]string{"ponger": "true"},
		},
		Status: api.PodStatus{
			HostIP: "1.2.3.4",
			ContainerStatuses: []api.ContainerStatus{
				{ContainerID: "container1"},
				{ContainerID: "container2"},
			},
		},
	}).GetNode("")
	buf := &bytes.Buffer{}
	encoder := codec.NewEncoder(buf, &codec.MsgpackHandle{})
	if err := encoder.Encode(rpt); err != nil {
		t.Fatalf("GOB encoding error: %s", err)
	}
	checkRequest(t, ts, "POST", "/api/report", buf.Bytes())

	body = getRawJSON(t, ts, "/api/topology")
	decoder = codec.NewDecoderBytes(body, &codec.JsonHandle{})
	if err := decoder.Decode(&topologies); err != nil {
		t.Fatalf("JSON parse error: %s", err)
	}
	equals(t, 4, len(topologies))

	found := false
	for _, topology := range topologies {
		if topology.Name == "Pods" {
			found = true
			break
		}
	}
	if !found {
		t.Error("Could not find pods topology")
	}
}
示例#23
0
// Do performs some HTTP action.  If in is non-nil, the request data is
// serialized and sent as the body of, for instance, a POST request.
// If out is non-nil, the response data (if any) is deserialized into
// this object, which must be of pointer type.
func (r *resource) Do(method string, url *url.URL, in, out interface{}) (err error) {
	json := &codec.JsonHandle{}

	// Set up the body as serialized JSON, if there is one
	var body io.Reader
	if in != nil {
		reader, writer := io.Pipe()
		encoder := codec.NewEncoder(writer, json)
		finished := make(chan error)
		go func() {
			err := encoder.Encode(in)
			err = firstError(err, writer.Close())
			finished <- err
		}()
		defer func() {
			err = firstError(err, <-finished)
		}()
		body = reader
	}

	// Create the request and set headers
	req, err := http.NewRequest(method, url.String(), body)
	if err != nil {
		return err
	}
	if in != nil {
		req.Header.Set("Content-Type", restdata.V1JSONMediaType)
	}
	if out != nil {
		req.Header.Set("Accept", restdata.V1JSONMediaType)
	}

	// Actually do the request
	resp, err := http.DefaultClient.Do(req)
	if err != nil {
		return err
	}

	// If the response included a body, clean up afterwards
	if resp.Body != nil {
		defer func() {
			err = firstError(err, resp.Body.Close())
		}()
	}

	// Check the response code
	if err = checkHTTPStatus(resp); err != nil {
		return err
	}

	// If there is both a body and a requested output,
	// decode it
	if resp.Body != nil && out != nil {
		contentType := resp.Header.Get("Content-Type")
		err = restdata.Decode(contentType, resp.Body, out)
	}

	return err // may be nil
}
示例#24
0
文件: net.go 项目: rbg/memberlist
// sendLocalState is invoked to send our local state over a tcp connection
func (m *Memberlist) sendLocalState(conn net.Conn, join bool) error {
	// Setup a deadline
	conn.SetDeadline(time.Now().Add(m.config.TCPTimeout))

	// Prepare the local node state
	m.nodeLock.RLock()
	localNodes := make([]pushNodeState, len(m.nodes))
	for idx, n := range m.nodes {
		localNodes[idx].Name = n.Name
		localNodes[idx].Addr = n.Addr
		localNodes[idx].Port = n.Port
		localNodes[idx].Incarnation = n.Incarnation
		localNodes[idx].State = n.State
		localNodes[idx].Meta = n.Meta
		localNodes[idx].Vsn = []uint8{
			n.PMin, n.PMax, n.PCur,
			n.DMin, n.DMax, n.DCur,
		}
	}
	m.nodeLock.RUnlock()

	// Get the delegate state
	var userData []byte
	if m.config.Delegate != nil {
		userData = m.config.Delegate.LocalState(join)
	}

	// Create a bytes buffer writer
	bufConn := bytes.NewBuffer(nil)

	// Send our node state
	header := pushPullHeader{Nodes: len(localNodes), UserStateLen: len(userData), Join: join}
	hd := codec.MsgpackHandle{}
	enc := codec.NewEncoder(bufConn, &hd)

	// Begin state push
	if _, err := bufConn.Write([]byte{byte(pushPullMsg)}); err != nil {
		return err
	}

	if err := enc.Encode(&header); err != nil {
		return err
	}
	for i := 0; i < header.Nodes; i++ {
		if err := enc.Encode(&localNodes[i]); err != nil {
			return err
		}
	}

	// Write the user state as well
	if userData != nil {
		if _, err := bufConn.Write(userData); err != nil {
			return err
		}
	}

	// Get the send buffer
	return m.rawSendMsgTCP(conn, bufConn.Bytes())
}
示例#25
0
// Converts an object to Msgpack.
func (c *MsgpackCodec) Marshal(object interface{}, options map[string]interface{}) ([]byte, error) {

	byteBuffer := new(bytes.Buffer)
	enc := codec.NewEncoder(byteBuffer, &msgpackHandle)
	encErr := enc.Encode(object)

	return byteBuffer.Bytes(), encErr
}
示例#26
0
// Encode does msgpack encoding of Snapshot
func (s *Snapshot) Encode() []byte {
	var buf bytes.Buffer

	encoder := codec.NewEncoder(&buf, &codec.MsgpackHandle{})
	encoder.Encode(s)

	return buf.Bytes()
}
示例#27
0
文件: remote.go 项目: taku-k/aptly
// Encode does msgpack encoding of RemoteRepo
func (repo *RemoteRepo) Encode() []byte {
	var buf bytes.Buffer

	encoder := codec.NewEncoder(&buf, &codec.MsgpackHandle{})
	encoder.Encode(repo)

	return buf.Bytes()
}
示例#28
0
文件: package.go 项目: hdonnay/aptly
// Encode does msgpack encoding of Package, []byte should be copied, as buffer would
// be used for the next call to Encode
func (p *Package) Encode() []byte {
	encodeBuf.Reset()

	encoder := codec.NewEncoder(&encodeBuf, &codec.MsgpackHandle{})
	encoder.Encode(p)

	return encodeBuf.Bytes()
}
示例#29
0
文件: main.go 项目: jlouis/go-watcher
// Init is required to specifiy which reader the msgpacks should be written to
func Init(w io.Writer) Msgpack {
	handle := new(codec.MsgpackHandle)
	encoder := codec.NewEncoder(w, handle)
	m := Msgpack{}
	m.E = encoder
	m.Init = true
	return m
}
示例#30
0
文件: package.go 项目: sbinet/aptly
// Encode does msgpack encoding of Package
func (p *Package) Encode() []byte {
	var buf bytes.Buffer

	encoder := codec.NewEncoder(&buf, &codec.MsgpackHandle{})
	encoder.Encode(p)

	return buf.Bytes()
}