hashicorp · swenson · Dec 2, 2022 · Nov 30, 2022 · Dec 1, 2022 · Dec 2, 2022
@@ -0,0 +1,86 @@
+package testdata
+
+import "time"
+
+// copy of all the raft data types
+
+type ProtocolVersion int
+type LogType uint8
+type SnapshotVersion int
+type ServerID string
+type ServerAddress string
+type ServerSuffrage int
+type Log struct {
+	Index      uint64
+	Term       uint64
+	Type       LogType
+	Data       []byte
+	Extensions []byte
+	AppendedAt time.Time
+}
+type RPCHeader struct {
+	ProtocolVersion ProtocolVersion
+	ID              []byte
+	Addr            []byte
+}
+type AppendEntriesRequest struct {
+	RPCHeader
+	Term              uint64
+	Leader            []byte
+	PrevLogEntry      uint64
+	PrevLogTerm       uint64
+	Entries           []*Log
+	LeaderCommitIndex uint64
+}
+type AppendEntriesResponse struct {
+	RPCHeader
+	Term           uint64
+	LastLog        uint64
+	Success        bool
+	NoRetryBackoff bool
+}
+type InstallSnapshotRequest struct {
+	RPCHeader
+	SnapshotVersion    SnapshotVersion
+	Term               uint64
+	Leader             []byte
+	LastLogIndex       uint64
+	LastLogTerm        uint64
+	Peers              []byte
+	Configuration      []byte
+	ConfigurationIndex uint64
+	Size               int64
+}
+type InstallSnapshotResponse struct {
+	RPCHeader
+	Term    uint64
+	Success bool
+}
+type RequestVoteRequest struct {
+	RPCHeader
+	Term               uint64
+	Candidate          []byte
+	LastLogIndex       uint64
+	LastLogTerm        uint64
+	LeadershipTransfer bool
+}
+type RequestVoteResponse struct {
+	RPCHeader
+	Term    uint64
+	Peers   []byte
+	Granted bool
+}
+type Server struct {
+	Suffrage ServerSuffrage
+	ID       ServerID
+	Address  ServerAddress
+}
+type Configuration struct {
+	Servers []Server
+}
+
+type SerializeTest struct {
+	Name            string
+	EncodedBytesHex string
+	ExpectedData    interface{}
+}
@@ -891,21 +891,32 @@ func (d *msgpackDecDriver) DecodeTime() (t time.Time) {
 }
 
 func (d *msgpackDecDriver) decodeTime(clen int) (t time.Time) {
-	// bs = d.r.readx(clen)
+	bs := d.r.readx(uint(clen))
+
+	// Decode as a binary marshalled string for compatibility with other versions of go-msgpack.
+	// time.Time should always be encoded as 16 bytes or fewer in the binary marshalling format,
+	// so will always fit within the 32 byte max for fixed strings
+	if d.bd >= mpFixStrMin && d.bd <= mpFixStrMax {
+		err := t.UnmarshalBinary(bs)
+		if err == nil {
+			return
+		}
+		// fallthrough on failure
+	}
+
 	d.bdRead = false
 	switch clen {
 	case 4:
-		t = time.Unix(int64(bigen.Uint32(d.r.readx(4))), 0).UTC()
+		t = time.Unix(int64(bigen.Uint32(bs)), 0).UTC()
 	case 8:
-		tv := bigen.Uint64(d.r.readx(8))
+		tv := bigen.Uint64(bs)
 		t = time.Unix(int64(tv&0x00000003ffffffff), int64(tv>>34)).UTC()
 	case 12:
-		nsec := bigen.Uint32(d.r.readx(4))
-		sec := bigen.Uint64(d.r.readx(8))
+		nsec := bigen.Uint32(bs[:4])
+		sec := bigen.Uint64(bs[4:])
 		t = time.Unix(int64(sec), int64(nsec)).UTC()
 	default:
-		d.d.errorf("invalid length of bytes for decoding time - expecting 4 or 8 or 12, got %d", clen)
-		return
+		d.d.errorf("invalid bytes for decoding time - expecting string or 4, 8, or 12 bytes, got %d", clen)
 	}
 	return
 }
@@ -956,7 +967,7 @@ func (d *msgpackDecDriver) decodeExtV(verifyTag bool, tag byte) (xtag byte, xbs
 
 //--------------------------------------------------
 
-//MsgpackHandle is a Handle for the Msgpack Schema-Free Encoding Format.
+// MsgpackHandle is a Handle for the Msgpack Schema-Free Encoding Format.
 type MsgpackHandle struct {
 	BasicHandle
 

@@ -0,0 +1,107 @@
+package codec
+
+import (
+	"bytes"
+	"encoding/hex"
+	"reflect"
+	"testing"
+	"time"
+
+	"github.com/hashicorp/go-msgpack/v2/codec/internal/testdata"
+)
+
+// Tests that msgpack correctly deserializes all legacy hashicorp/raft entries, byte-for-byte.
+// These were generated by running all the Raft tests and capturing all msgpack encodings.
+
+func decodeMsgPack(buf []byte, out interface{}) error {
+	r := bytes.NewBuffer(buf)
+	hd := MsgpackHandle{}
+	dec := NewDecoder(r, &hd)
+	return dec.Decode(out)
+}
+
+func serializeTests(t *testing.T, tests []testdata.SerializeTest) {
+	t.Helper()
+	for _, test := range tests {
+		t.Run(test.Name, func(t *testing.T) {
+			expected, err := hex.DecodeString(test.EncodedBytesHex)
+			if err != nil {
+				t.Fatal(err)
+			}
+			typ := reflect.TypeOf(test.ExpectedData)
+			x := reflect.New(typ).Elem().Interface()
+
+			err = decodeMsgPack(expected, &x)
+			if err != nil {
+				t.Fatal(err)
+			}
+			if !reflect.DeepEqual(x, test.ExpectedData) {
+				// to help figure out what is different since the Logs are pointers
+				if aer, ok := x.(testdata.AppendEntriesRequest); ok {
+					for _, log := range aer.Entries {
+						if log != nil {
+							t.Errorf("log %##v", *log)
+						}
+					}
+				}
+				t.Errorf("expected %#v but got %#v", test.ExpectedData, x)
+			}
+		})
+	}
+
+}
+
+func TestRaftBytes_v116(t *testing.T) {
+	serializeTests(t, testdata.RaftV116)
+}
+
+func TestRaftBytes_v115(t *testing.T) {
+	serializeTests(t, testdata.RaftV115)
+}
+
+func TestRaftBytes_v055(t *testing.T) {
+	serializeTests(t, testdata.RaftV055)
+}
+
+func TestTimeBytes(t *testing.T) {
+	testCases := []struct {
+		name     string
+		data     string
+		expected string
+	}{
+		{
+			"v1.1.6 non-UTC with nanos",
+			"af010000000eda5a48a43b9ac9ff01a4",
+			"2022-07-08T22:47:48.999999999+07:00",
+		},
+		{
+			"v1.1.6",
+			"af010000000eda5aab140e044990ffff",
+			"2022-07-08T22:47:48.235162Z",
+		},
+		{
+			"v1.1.5",
+			"a83811264062c8b414",
+			"2022-07-08T22:47:48.235162Z",
+		},
+	}
+
+	for _, test := range testCases {
+		var got time.Time
+		data, err := hex.DecodeString(test.data)
+		if err != nil {
+			t.Fatal(err)
+		}
+		err = decodeMsgPack(data, &got)
+		if err != nil {
+			t.Fatal(err)
+		}
+		expected, err := time.Parse(time.RFC3339Nano, test.expected)
+		if err != nil {
+			t.Fatal(err)
+		}
+		if !got.Equal(expected) {
+			t.Errorf("%s: Got %s expected %s", test.name, got.Format(time.RFC3339Nano), expected.Format(time.RFC3339Nano))
+		}
+	}
+}
@@ -2,4 +2,22 @@ module github.com/hashicorp/go-msgpack/v2
 
 go 1.13
 
-require golang.org/x/tools v0.0.0-20190424220101-1e8e1cfdf96b
+require (
+	bitbucket.org/bodhisnarkva/cbor v0.0.0-20170201010848-113f42203c94
+	github.com/DataDog/zstd v1.5.2 // indirect
+	github.com/Sereal/Sereal v0.0.0-20221130110801-16a4f76670cd
+	github.com/davecgh/go-xdr v0.0.0-20161123171359-e6a2ba005892
+	github.com/golang/snappy v0.0.4 // indirect
+	github.com/google/go-cmp v0.5.9 // indirect
+	github.com/json-iterator/go v1.1.12
+	github.com/mailru/easyjson v0.7.7
+	github.com/pquerna/ffjson v0.0.0-20190930134022-aa0246cd15f7
+	github.com/tinylib/msgp v1.1.6
+	github.com/ugorji/go/codec v1.2.7
+	golang.org/x/tools v0.0.0-20201022035929-9cf592e881e9
+	google.golang.org/appengine v1.6.7 // indirect
+	gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c // indirect
+	gopkg.in/mgo.v2 v2.0.0-20190816093944-a6b53ec6cb22
+	gopkg.in/vmihailenco/msgpack.v2 v2.9.2
+	gopkg.in/yaml.v2 v2.4.0 // indirect
+)
@@ -0,0 +1,86 @@
+bitbucket.org/bodhisnarkva/cbor v0.0.0-20170201010848-113f42203c94 h1:mIPAugcfnbnaazg3ttUVbHbJaY+e3aUf4Wr7lONml5I=
+bitbucket.org/bodhisnarkva/cbor v0.0.0-20170201010848-113f42203c94/go.mod h1:pl6BcNYTFXkbj1OCW5EIJkgrzmmEFwU6oaelsR/9pMQ=
+github.com/DataDog/zstd v1.5.2 h1:vUG4lAyuPCXO0TLbXvPv7EB7cNK1QV/luu55UHLrrn8=
+github.com/DataDog/zstd v1.5.2/go.mod h1:g4AWEaM3yOg3HYfnJ3YIawPnVdXJh9QME85blwSAmyw=
+github.com/Sereal/Sereal v0.0.0-20221130110801-16a4f76670cd h1:rP6LH3aVJTIxgTA3q79sSfnt8DvOlt17IRAklRBN+xo=
+github.com/Sereal/Sereal v0.0.0-20221130110801-16a4f76670cd/go.mod h1:D0JMgToj/WdxCgd30Kc1UcA9E+WdZoJqeVOuYW7iTBM=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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+github.com/davecgh/go-xdr v0.0.0-20161123171359-e6a2ba005892 h1:qg9VbHo1TlL0KDM0vYvBG9EY0X0Yku5WYIPoFWt8f6o=
+github.com/davecgh/go-xdr v0.0.0-20161123171359-e6a2ba005892/go.mod h1:CTDl0pzVzE5DEzZhPfvhY/9sPFMQIxaJ9VAMs9AagrE=
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+github.com/golang/snappy v0.0.4 h1:yAGX7huGHXlcLOEtBnF4w7FQwA26wojNCwOYAEhLjQM=
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+github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
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