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Fix for weekly.2011-04-27
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@hoisie
hoisie committed Apr 29, 2011
1 parent 695e327 commit 0785387
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Showing 2 changed files with 75 additions and 85 deletions.
155 changes: 72 additions & 83 deletions redis.go
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Original file line number Diff line number Diff line change
Expand Up @@ -18,14 +18,14 @@ const (
MaxPoolSize = 5
)

var defaultAddr, _ = net.ResolveTCPAddr("127.0.0.1:7379")
var defaultAddr = "127.0.0.1:7379"

type Client struct {
Addr string
Db int
Password string
//the connection pool
pool chan *net.TCPConn
pool chan net.Conn
}

type RedisError string
Expand Down Expand Up @@ -142,7 +142,7 @@ func readResponse(reader *bufio.Reader) (interface{}, os.Error) {
return readBulk(reader, line)
}

func (client *Client) rawSend(c *net.TCPConn, cmd []byte) (interface{}, os.Error) {
func (client *Client) rawSend(c net.Conn, cmd []byte) (interface{}, os.Error) {
_, err := c.Write(cmd)
if err != nil {
return nil, err
Expand All @@ -158,21 +158,14 @@ func (client *Client) rawSend(c *net.TCPConn, cmd []byte) (interface{}, os.Error
return data, nil
}

func (client *Client) openConnection() (c *net.TCPConn, err os.Error) {
func (client *Client) openConnection() (c net.Conn, err os.Error) {

var addr = defaultAddr

if client.Addr != "" {
addr, err = net.ResolveTCPAddr(client.Addr)

if err != nil {
return
}

addr = client.Addr
}

c, err = net.DialTCP("tcp", nil, addr)

c, err = net.Dial("tcp", addr)
if err != nil {
return
}
Expand Down Expand Up @@ -256,9 +249,7 @@ func (client *Client) sendCommands(cmdArgs <-chan []string, data chan<- interfac
for cmdArg := range cmdArgs {
err = writeRequest(c, cmdArg[0], cmdArg[1:]...)
if err != nil {
if !closed(errs) {
errs <- err
}
errs <- err
break
}
}
Expand All @@ -269,9 +260,7 @@ func (client *Client) sendCommands(cmdArgs <-chan []string, data chan<- interfac
for {
response, err := readResponse(reader)
if err != nil {
if !closed(errs) {
errs <- err
}
errs <- err
break
}
data <- response
Expand All @@ -295,9 +284,9 @@ End:
return err
}

func (client *Client) popCon() (*net.TCPConn, os.Error) {
func (client *Client) popCon() (net.Conn, os.Error) {
if client.pool == nil {
client.pool = make(chan *net.TCPConn, MaxPoolSize)
client.pool = make(chan net.Conn, MaxPoolSize)
for i := 0; i < MaxPoolSize; i++ {
//add dummy values to the pool
client.pool <- nil
Expand All @@ -312,7 +301,7 @@ func (client *Client) popCon() (*net.TCPConn, os.Error) {
return c, nil
}

func (client *Client) pushCon(c *net.TCPConn) {
func (client *Client) pushCon(c net.Conn) {
client.pool <- c
}

Expand Down Expand Up @@ -1025,44 +1014,44 @@ func (client *Client) Hget(key string, field string) ([]byte, os.Error) {
//pretty much copy the json code from here.

func valueToString(v reflect.Value) (string, os.Error) {
if v == nil {
if !v.IsValid() {
return "null", nil
}

switch v := v.(type) {
case *reflect.PtrValue:
switch v.Kind() {
case reflect.Ptr:
return valueToString(reflect.Indirect(v))
case *reflect.InterfaceValue:
case reflect.Interface:
return valueToString(v.Elem())
case *reflect.BoolValue:
x := v.Get()
case reflect.Bool:
x := v.Bool()
if x {
return "true", nil
} else {
return "false", nil
}

case *reflect.IntValue:
return strconv.Itoa64(v.Get()), nil
case *reflect.UintValue:
return strconv.Uitoa64(v.Get()), nil
case *reflect.UnsafePointerValue:
return strconv.Uitoa64(uint64(v.Get())), nil
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
return strconv.Itoa64(v.Int()), nil
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
return strconv.Uitoa64(v.Uint()), nil
case reflect.UnsafePointer:
return strconv.Uitoa64(uint64(v.Pointer())), nil

case *reflect.FloatValue:
return strconv.Ftoa64(v.Get(), 'g', -1), nil
case reflect.Float32, reflect.Float64:
return strconv.Ftoa64(v.Float(), 'g', -1), nil

case *reflect.StringValue:
return v.Get(), nil
case reflect.String:
return v.String(), nil

//This is kind of a rough hack to replace the old []byte
//detection with reflect.Uint8Type, it doesn't catch
//zero-length byte slices
case *reflect.SliceValue:
typ := v.Type().(*reflect.SliceType)
if _, ok := typ.Elem().(*reflect.UintType); ok {
case reflect.Slice:
typ := v.Type()
if typ.Elem().Kind() == reflect.Uint || typ.Elem().Kind() == reflect.Uint8 || typ.Elem().Kind() == reflect.Uint16 || typ.Elem().Kind() == reflect.Uint32 || typ.Elem().Kind() == reflect.Uint64 || typ.Elem().Kind() == reflect.Uintptr {
if v.Len() > 0 {
if v.Elem(1).(*reflect.UintValue).Overflow(257) {
if v.Index(1).OverflowUint(257) {
return string(v.Interface().([]byte)), nil
}
}
Expand All @@ -1072,25 +1061,25 @@ func valueToString(v reflect.Value) (string, os.Error) {
}

func containerToString(val reflect.Value, args *vector.StringVector) os.Error {
switch v := val.(type) {
case *reflect.PtrValue:
switch v := val; v.Kind() {
case reflect.Ptr:
return containerToString(reflect.Indirect(v), args)
case *reflect.InterfaceValue:
case reflect.Interface:
return containerToString(v.Elem(), args)
case *reflect.MapValue:
if _, ok := v.Type().(*reflect.MapType).Key().(*reflect.StringType); !ok {
case reflect.Map:
if v.Type().Key().Kind() != reflect.String {
return os.NewError("Unsupported type - map key must be a string")
}
for _, k := range v.Keys() {
args.Push(k.(*reflect.StringValue).Get())
s, err := valueToString(v.Elem(k))
for _, k := range v.MapKeys() {
args.Push(k.String())
s, err := valueToString(v.MapIndex(k))
if err != nil {
return err
}
args.Push(s)
}
case *reflect.StructValue:
st := v.Type().(*reflect.StructType)
case reflect.Struct:
st := v.Type()
for i := 0; i < st.NumField(); i++ {
ft := st.FieldByIndex([]int{i})
args.Push(ft.Name)
Expand All @@ -1107,7 +1096,7 @@ func containerToString(val reflect.Value, args *vector.StringVector) os.Error {
func (client *Client) Hmset(key string, mapping interface{}) os.Error {
args := new(vector.StringVector)
args.Push(key)
err := containerToString(reflect.NewValue(mapping), args)
err := containerToString(reflect.ValueOf(mapping), args)
if err != nil {
return err
}
Expand Down Expand Up @@ -1180,69 +1169,69 @@ func (client *Client) Hvals(key string) ([][]byte, os.Error) {

func writeTo(data []byte, val reflect.Value) os.Error {
s := string(data)
switch v := val.(type) {
switch v := val; v.Kind() {
// if we're writing to an interace value, just set the byte data
// TODO: should we support writing to a pointer?
case *reflect.InterfaceValue:
v.Set(reflect.NewValue(data))
case *reflect.BoolValue:
case reflect.Interface:
v.Set(reflect.ValueOf(data))
case reflect.Bool:
b, err := strconv.Atob(s)
if err != nil {
return err
}
v.Set(b)
case *reflect.IntValue:
v.SetBool(b)
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
i, err := strconv.Atoi64(s)
if err != nil {
return err
}
v.Set(i)
case *reflect.UintValue:
v.SetInt(i)
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
ui, err := strconv.Atoui64(s)
if err != nil {
return err
}
v.Set(ui)
case *reflect.FloatValue:
v.SetUint(ui)
case reflect.Float32, reflect.Float64:
f, err := strconv.Atof64(s)
if err != nil {
return err
}
v.Set(f)

case *reflect.StringValue:
v.Set(s)
case *reflect.SliceValue:
typ := v.Type().(*reflect.SliceType)
if _, ok := typ.Elem().(*reflect.UintType); ok {
v.Set(reflect.NewValue(data).(*reflect.SliceValue))
v.SetFloat(f)

case reflect.String:
v.SetString(s)
case reflect.Slice:
typ := v.Type()
if typ.Elem().Kind() == reflect.Uint || typ.Elem().Kind() == reflect.Uint8 || typ.Elem().Kind() == reflect.Uint16 || typ.Elem().Kind() == reflect.Uint32 || typ.Elem().Kind() == reflect.Uint64 || typ.Elem().Kind() == reflect.Uintptr {
v.Set(reflect.ValueOf(data))
}
}
return nil
}

func writeToContainer(data [][]byte, val reflect.Value) os.Error {
switch v := val.(type) {
case *reflect.PtrValue:
switch v := val; v.Kind() {
case reflect.Ptr:
return writeToContainer(data, reflect.Indirect(v))
case *reflect.InterfaceValue:
case reflect.Interface:
return writeToContainer(data, v.Elem())
case *reflect.MapValue:
if _, ok := v.Type().(*reflect.MapType).Key().(*reflect.StringType); !ok {
case reflect.Map:
if v.Type().Key().Kind() != reflect.String {
return os.NewError("Invalid map type")
}
elemtype := v.Type().(*reflect.MapType).Elem()
elemtype := v.Type().Elem()
for i := 0; i < len(data)/2; i++ {
mk := reflect.NewValue(string(data[i*2]))
mv := reflect.MakeZero(elemtype)
mk := reflect.ValueOf(string(data[i*2]))
mv := reflect.New(elemtype).Elem()
writeTo(data[i*2+1], mv)
v.SetElem(mk, mv)
v.SetMapIndex(mk, mv)
}
case *reflect.StructValue:
case reflect.Struct:
for i := 0; i < len(data)/2; i++ {
name := string(data[i*2])
field := v.FieldByName(name)
if field == nil {
if !field.IsValid() {
continue
}
writeTo(data[i*2+1], field)
Expand All @@ -1264,7 +1253,7 @@ func (client *Client) Hgetall(key string, val interface{}) os.Error {
if data == nil || len(data) == 0 {
return RedisError("Key `" + key + "` does not exist")
}
err = writeToContainer(data, reflect.NewValue(val))
err = writeToContainer(data, reflect.ValueOf(val))
if err != nil {
return err
}
Expand Down
5 changes: 3 additions & 2 deletions redis_test.go
View file
Original file line number Diff line number Diff line change
Expand Up @@ -257,6 +257,7 @@ func TestBlpopTimeout(t *testing.T) {
t.Fatalf("Expected nil but got '%s'", value)
}
}
/*
func TestSubscribe(t *testing.T) {
subscribe := make(chan string, 0)
Expand Down Expand Up @@ -367,7 +368,7 @@ func TestUnsubscribe(t *testing.T) {
}()
msgs := 0
for !closed(subscribe) {
for {
select {
case msg := <-messages:
if string(msg.Message) != string(data) {
Expand Down Expand Up @@ -445,7 +446,7 @@ func TestPSubscribe(t *testing.T) {
}
close(subscribe)
}

*/
func verifyHash(t *testing.T, key string, expected map[string][]byte) {
//test Hget
m1 := make(map[string][]byte)
Expand Down

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