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Updated codec interface and code. Painful stuff

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This commit is contained in:
Asim
2015-11-28 11:22:29 +00:00
parent f49922f6b3
commit 654728027b
18 changed files with 380 additions and 352 deletions
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39
client/rpc_codec.go
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@@ -3,13 +3,15 @@ package client
import (
"bytes"
"github.com/micro/go-micro/codec"
"github.com/micro/go-micro/codec/proto"
"github.com/micro/go-micro/transport"
rpc "github.com/youtube/vitess/go/rpcplus"
)
type rpcPlusCodec struct {
client transport.Client
codec rpc.ClientCodec
codec codec.Codec
req *transport.Message
buf *readWriteCloser
@@ -20,6 +22,18 @@ type readWriteCloser struct {
rbuf *bytes.Buffer
}
var (
defaultContentType = "application/octet-stream"
defaultCodecs = map[string]codec.NewCodec{
// "application/json": jsonrpc.NewClientCodec,
// "application/json-rpc": jsonrpc.NewClientCodec,
"application/protobuf": proto.NewCodec,
"application/proto-rpc": proto.NewCodec,
"application/octet-stream": proto.NewCodec,
}
)
func (rwc *readWriteCloser) Read(p []byte) (n int, err error) {
return rwc.rbuf.Read(p)
}
@@ -34,7 +48,7 @@ func (rwc *readWriteCloser) Close() error {
return nil
}
func newRpcPlusCodec(req *transport.Message, client transport.Client, cf codecFunc) *rpcPlusCodec {
func newRpcPlusCodec(req *transport.Message, client transport.Client, c codec.NewCodec) *rpcPlusCodec {
rwc := &readWriteCloser{
wbuf: bytes.NewBuffer(nil),
rbuf: bytes.NewBuffer(nil),
@@ -42,14 +56,19 @@ func newRpcPlusCodec(req *transport.Message, client transport.Client, cf codecFu
r := &rpcPlusCodec{
buf: rwc,
client: client,
codec: cf(rwc),
codec: c(rwc),
req: req,
}
return r
}
func (c *rpcPlusCodec) WriteRequest(req *rpc.Request, body interface{}) error {
if err := c.codec.WriteRequest(req, body); err != nil {
m := &codec.Message{
Id: req.Seq,
Method: req.ServiceMethod,
Type: codec.Request,
}
if err := c.codec.Write(m, body); err != nil {
return err
}
c.req.Body = c.buf.wbuf.Bytes()
@@ -63,14 +82,20 @@ func (c *rpcPlusCodec) ReadResponseHeader(r *rpc.Response) error {
}
c.buf.rbuf.Reset()
c.buf.rbuf.Write(m.Body)
return c.codec.ReadResponseHeader(r)
var me codec.Message
err := c.codec.ReadHeader(&me, codec.Response)
r.ServiceMethod = me.Method
r.Seq = me.Id
r.Error = me.Error
return err
}
func (c *rpcPlusCodec) ReadResponseBody(r interface{}) error {
return c.codec.ReadResponseBody(r)
func (c *rpcPlusCodec) ReadResponseBody(b interface{}) error {
return c.codec.ReadBody(b)
}
func (c *rpcPlusCodec) Close() error {
c.buf.Close()
c.codec.Close()
return c.client.Close()
}