// marshal serializes to a protobuf representation.
func (ui UserInfo) marshal() *internal.UserInfo {
pb := &internal.UserInfo{
Name: proto.String(ui.Name),
Hash: proto.String(ui.Hash),
Admin: proto.Bool(ui.Admin),
}
for database, privilege := range ui.Privileges {
pb.Privileges = append(pb.Privileges, &internal.UserPrivilege{
Database: proto.String(database),
Privilege: proto.Int32(int32(privilege)),
})
}
return pb
}
// marshal serializes to a protobuf representation.
func (di DatabaseInfo) marshal() *internal.DatabaseInfo {
pb := &internal.DatabaseInfo{}
pb.Name = proto.String(di.Name)
pb.DefaultRetentionPolicy = proto.String(di.DefaultRetentionPolicy)
pb.RetentionPolicies = make([]*internal.RetentionPolicyInfo, len(di.RetentionPolicies))
for i := range di.RetentionPolicies {
pb.RetentionPolicies[i] = di.RetentionPolicies[i].marshal()
}
pb.ContinuousQueries = make([]*internal.ContinuousQueryInfo, len(di.ContinuousQueries))
for i := range di.ContinuousQueries {
pb.ContinuousQueries[i] = di.ContinuousQueries[i].marshal()
}
return pb
}
func init() {
ext := &pb.Ext{
Data: proto.String("extension"),
}
if err := proto.SetExtension(cloneTestMessage, pb.E_Ext_More, ext); err != nil {
panic("SetExtension: " + err.Error())
}
}
func TestStringEscaping(t *testing.T) {
testCases := []struct {
in *pb.Strings
out string
}{
{
// Test data from C++ test (TextFormatTest.StringEscape).
// Single divergence: we don't escape apostrophes.
&pb.Strings{StringField: proto.String("\"A string with ' characters \n and \r newlines and \t tabs and \001 slashes \\ and multiple spaces")},
"string_field: \"\\\"A string with ' characters \\n and \\r newlines and \\t tabs and \\001 slashes \\\\ and multiple spaces\"\n",
},
{
// Test data from the same C++ test.
&pb.Strings{StringField: proto.String("\350\260\267\346\255\214")},
"string_field: \"\\350\\260\\267\\346\\255\\214\"\n",
},
{
// Some UTF-8.
&pb.Strings{StringField: proto.String("\x00\x01\xff\x81")},
`string_field: "\000\001\377\201"` + "\n",
},
}
for i, tc := range testCases {
var buf bytes.Buffer
if err := proto.MarshalText(&buf, tc.in); err != nil {
t.Errorf("proto.MarsalText: %v", err)
continue
}
s := buf.String()
if s != tc.out {
t.Errorf("#%d: Got:\n%s\nExpected:\n%s\n", i, s, tc.out)
continue
}
// Check round-trip.
pb := new(pb.Strings)
if err := proto.UnmarshalText(s, pb); err != nil {
t.Errorf("#%d: UnmarshalText: %v", i, err)
continue
}
if !proto.Equal(pb, tc.in) {
t.Errorf("#%d: Round-trip failed:\nstart: %v\n end: %v", i, tc.in, pb)
}
}
}
func TestExtensionsRoundTrip(t *testing.T) {
msg := &pb.MyMessage{}
ext1 := &pb.Ext{
Data: proto.String("hi"),
}
ext2 := &pb.Ext{
Data: proto.String("there"),
}
exists := proto.HasExtension(msg, pb.E_Ext_More)
if exists {
t.Error("Extension More present unexpectedly")
}
if err := proto.SetExtension(msg, pb.E_Ext_More, ext1); err != nil {
t.Error(err)
}
if err := proto.SetExtension(msg, pb.E_Ext_More, ext2); err != nil {
t.Error(err)
}
e, err := proto.GetExtension(msg, pb.E_Ext_More)
if err != nil {
t.Error(err)
}
x, ok := e.(*pb.Ext)
if !ok {
t.Errorf("e has type %T, expected testdata.Ext", e)
} else if *x.Data != "there" {
t.Errorf("SetExtension failed to overwrite, got %+v, not 'there'", x)
}
proto.ClearExtension(msg, pb.E_Ext_More)
if _, err = proto.GetExtension(msg, pb.E_Ext_More); err != proto.ErrMissingExtension {
t.Errorf("got %v, expected ErrMissingExtension", e)
}
if _, err := proto.GetExtension(msg, pb.E_X215); err == nil {
t.Error("expected bad extension error, got nil")
}
if err := proto.SetExtension(msg, pb.E_X215, 12); err == nil {
t.Error("expected extension err")
}
if err := proto.SetExtension(msg, pb.E_Ext_More, 12); err == nil {
t.Error("expected some sort of type mismatch error, got nil")
}
}
func (r *rpc) sendError(conn net.Conn, msg string) {
r.traceCluster(msg)
resp := &internal.ErrorResponse{
Header: &internal.ResponseHeader{
OK: proto.Bool(false),
Error: proto.String(msg),
},
}
r.sendResponse(conn, internal.RPCType_Error, resp)
}
func newTestMessage() *pb.MyMessage {
msg := &pb.MyMessage{
Count: proto.Int32(42),
Name: proto.String("Dave"),
Quote: proto.String(`"I didn't want to go."`),
Pet: []string{"bunny", "kitty", "horsey"},
Inner: &pb.InnerMessage{
Host: proto.String("footrest.syd"),
Port: proto.Int32(7001),
Connected: proto.Bool(true),
},
Others: []*pb.OtherMessage{
{
Key: proto.Int64(0xdeadbeef),
Value: []byte{1, 65, 7, 12},
},
{
Weight: proto.Float32(6.022),
Inner: &pb.InnerMessage{
Host: proto.String("lesha.mtv"),
Port: proto.Int32(8002),
},
},
},
Bikeshed: pb.MyMessage_BLUE.Enum(),
Somegroup: &pb.MyMessage_SomeGroup{
GroupField: proto.Int32(8),
},
// One normally wouldn't do this.
// This is an undeclared tag 13, as a varint (wire type 0) with value 4.
XXX_unrecognized: []byte{13<<3 | 0, 4},
}
ext := &pb.Ext{
Data: proto.String("Big gobs for big rats"),
}
if err := proto.SetExtension(msg, pb.E_Ext_More, ext); err != nil {
panic(err)
}
greetings := []string{"adg", "easy", "cow"}
if err := proto.SetExtension(msg, pb.E_Greeting, greetings); err != nil {
panic(err)
}
// Add an unknown extension. We marshal a pb.Ext, and fake the ID.
b, err := proto.Marshal(&pb.Ext{Data: proto.String("3G skiing")})
if err != nil {
panic(err)
}
b = append(proto.EncodeVarint(201<<3|proto.WireBytes), b...)
proto.SetRawExtension(msg, 201, b)
// Extensions can be plain fields, too, so let's test that.
b = append(proto.EncodeVarint(202<<3|proto.WireVarint), 19)
proto.SetRawExtension(msg, 202, b)
return msg
}
// marshal serializes to a protobuf representation.
func (rpi *RetentionPolicyInfo) marshal() *internal.RetentionPolicyInfo {
pb := &internal.RetentionPolicyInfo{
Name: proto.String(rpi.Name),
ReplicaN: proto.Uint32(uint32(rpi.ReplicaN)),
Duration: proto.Int64(int64(rpi.Duration)),
ShardGroupDuration: proto.Int64(int64(rpi.ShardGroupDuration)),
}
pb.ShardGroups = make([]*internal.ShardGroupInfo, len(rpi.ShardGroups))
for i, sgi := range rpi.ShardGroups {
pb.ShardGroups[i] = sgi.marshal()
}
return pb
}
func TestNilExtension(t *testing.T) {
msg := &pb.MyMessage{
Count: proto.Int32(1),
}
if err := proto.SetExtension(msg, pb.E_Ext_Text, proto.String("hello")); err != nil {
t.Fatal(err)
}
if err := proto.SetExtension(msg, pb.E_Ext_More, (*pb.Ext)(nil)); err == nil {
t.Error("expected SetExtension to fail due to a nil extension")
} else if want := "proto: SetExtension called with nil value of type *testdata.Ext"; err.Error() != want {
t.Errorf("expected error %v, got %v", want, err)
}
// Note: if the behavior of Marshal is ever changed to ignore nil extensions, update
// this test to verify that E_Ext_Text is properly propagated through marshal->unmarshal.
}
func TestRepeatedNilText(t *testing.T) {
m := &pb.MessageList{
Message: []*pb.MessageList_Message{
nil,
{
Name: proto.String("Horse"),
},
nil,
},
}
want := `Message <nil>
Message {
name: "Horse"
}
Message <nil>
`
if s := proto.MarshalTextString(m); s != want {
t.Errorf(" got: %s\nwant: %s", s, want)
}
}
// join attempts to join a cluster at remoteAddr using localAddr as the current
// node's cluster address
func (r *rpc) join(localAddr, remoteAddr string) (*JoinResult, error) {
req := &internal.JoinRequest{
Addr: proto.String(localAddr),
}
resp, err := r.call(remoteAddr, req)
if err != nil {
return nil, err
}
switch t := resp.(type) {
case *internal.JoinResponse:
return &JoinResult{
RaftEnabled: t.GetEnableRaft(),
RaftNodes: t.GetRaftNodes(),
NodeID: t.GetNodeID(),
}, nil
case *internal.ErrorResponse:
return nil, fmt.Errorf("rpc failed: %s", t.GetHeader().GetError())
default:
return nil, fmt.Errorf("rpc failed: unknown response type: %v", t.String())
}
}
// marshal serializes to a protobuf representation.
func (cqi ContinuousQueryInfo) marshal() *internal.ContinuousQueryInfo {
return &internal.ContinuousQueryInfo{
Name: proto.String(cqi.Name),
Query: proto.String(cqi.Query),
}
}
// marshal serializes to a protobuf representation.
func (ni NodeInfo) marshal() *internal.NodeInfo {
pb := &internal.NodeInfo{}
pb.ID = proto.Uint64(ni.ID)
pb.Host = proto.String(ni.Host)
return pb
}
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
package proto_test
import (
"testing"
"github.com/nathanielc/morgoth/Godeps/_workspace/src/github.com/gogo/protobuf/proto"
pb "github.com/nathanielc/morgoth/Godeps/_workspace/src/github.com/gogo/protobuf/proto/testdata"
)
var cloneTestMessage = &pb.MyMessage{
Count: proto.Int32(42),
Name: proto.String("Dave"),
Pet: []string{"bunny", "kitty", "horsey"},
Inner: &pb.InnerMessage{
Host: proto.String("niles"),
Port: proto.Int32(9099),
Connected: proto.Bool(true),
},
Others: []*pb.OtherMessage{
{
Value: []byte("some bytes"),
},
},
Somegroup: &pb.MyMessage_SomeGroup{
GroupField: proto.Int32(6),
},
RepBytes: [][]byte{[]byte("sham"), []byte("wow")},
// handleRPCConn reads a command from the connection and executes it.
func (r *rpc) handleRPCConn(conn net.Conn) {
defer conn.Close()
// RPC connections should execute on the leader. If we are not the leader,
// proxy the connection to the leader so that clients an connect to any node
// in the cluster.
r.traceCluster("rpc connection from: %v", conn.RemoteAddr())
if !r.store.IsLeader() {
r.proxyLeader(conn.(*net.TCPConn))
return
}
// Read and execute request.
typ, resp, err := func() (internal.RPCType, proto.Message, error) {
// Read request size.
var sz uint64
if err := binary.Read(conn, binary.BigEndian, &sz); err != nil {
return internal.RPCType_Error, nil, fmt.Errorf("read size: %s", err)
}
if sz == 0 {
return 0, nil, fmt.Errorf("invalid message size: %d", sz)
}
if sz >= MaxMessageSize {
return 0, nil, fmt.Errorf("max message size of %d exceeded: %d", MaxMessageSize, sz)
}
// Read request.
buf := make([]byte, sz)
if _, err := io.ReadFull(conn, buf); err != nil {
return internal.RPCType_Error, nil, fmt.Errorf("read request: %s", err)
}
// Determine the RPC type
rpcType := internal.RPCType(btou64(buf[0:8]))
buf = buf[8:]
r.traceCluster("recv %v request on: %v", rpcType, conn.RemoteAddr())
switch rpcType {
case internal.RPCType_FetchData:
var req internal.FetchDataRequest
if err := proto.Unmarshal(buf, &req); err != nil {
return internal.RPCType_Error, nil, fmt.Errorf("fetch request unmarshal: %v", err)
}
resp, err := r.handleFetchData(&req)
return rpcType, resp, err
case internal.RPCType_Join:
var req internal.JoinRequest
if err := proto.Unmarshal(buf, &req); err != nil {
return internal.RPCType_Error, nil, fmt.Errorf("join request unmarshal: %v", err)
}
resp, err := r.handleJoinRequest(&req)
return rpcType, resp, err
default:
return internal.RPCType_Error, nil, fmt.Errorf("unknown rpc type:%v", rpcType)
}
}()
// Handle unexpected RPC errors
if err != nil {
resp = &internal.ErrorResponse{
Header: &internal.ResponseHeader{
OK: proto.Bool(false),
},
}
typ = internal.RPCType_Error
}
// Set the status header and error message
if reply, ok := resp.(Reply); ok {
reply.GetHeader().OK = proto.Bool(err == nil)
if err != nil {
reply.GetHeader().Error = proto.String(err.Error())
}
}
r.sendResponse(conn, typ, resp)
}