micro/server/rpc_server.go
2015-05-20 22:57:19 +01:00

134 lines
2.5 KiB
Go

package server
import (
"bytes"
"net/http"
"sync"
log "github.com/golang/glog"
"github.com/myodc/go-micro/transport"
rpc "github.com/youtube/vitess/go/rpcplus"
js "github.com/youtube/vitess/go/rpcplus/jsonrpc"
pb "github.com/youtube/vitess/go/rpcplus/pbrpc"
"golang.org/x/net/context"
)
type RpcServer struct {
mtx sync.RWMutex
address string
transport transport.Transport
rpc *rpc.Server
exit chan chan error
}
var (
HealthPath = "/_status/health"
RpcPath = "/_rpc"
)
func (s *RpcServer) serve(sock transport.Socket) {
// serveCtx := getServerContext(req)
msg, err := sock.Recv()
if err != nil {
return
}
rbq := bytes.NewBuffer(msg.Body)
rsp := bytes.NewBuffer(nil)
defer rsp.Reset()
defer rbq.Reset()
buf := &buffer{
rbq,
rsp,
}
var cc rpc.ServerCodec
switch msg.Header["Content-Type"] {
case "application/octet-stream":
cc = pb.NewServerCodec(buf)
case "application/json":
cc = js.NewServerCodec(buf)
default:
return
// return nil, errors.InternalServerError("go.micro.server", fmt.Sprintf("Unsupported content-type: %v", req.Header.Get("Content-Type")))
}
//ctx := newContext(&ctx{}, serveCtx)
err = s.rpc.ServeRequestWithContext(context.Background(), cc)
if err != nil {
return
}
sock.WriteHeader("Content-Type", msg.Header["Content-Type"])
sock.Write(rsp.Bytes())
}
func (s *RpcServer) Address() string {
s.mtx.RLock()
address := s.address
s.mtx.RUnlock()
return address
}
func (s *RpcServer) Init() error {
return nil
}
func (s *RpcServer) NewReceiver(handler interface{}) Receiver {
return newRpcReceiver("", handler)
}
func (s *RpcServer) NewNamedReceiver(name string, handler interface{}) Receiver {
return newRpcReceiver(name, handler)
}
func (s *RpcServer) Register(r Receiver) error {
if len(r.Name()) > 0 {
s.rpc.RegisterName(r.Name(), r.Handler())
return nil
}
s.rpc.Register(r.Handler())
return nil
}
func (s *RpcServer) Start() error {
registerHealthChecker(http.DefaultServeMux)
ts, err := s.transport.NewServer(Name, s.address)
if err != nil {
return err
}
log.Infof("Listening on %s", ts.Addr())
s.mtx.RLock()
s.address = ts.Addr()
s.mtx.RUnlock()
go ts.Serve(s.serve)
go func() {
ch := <-s.exit
ch <- ts.Close()
}()
return nil
}
func (s *RpcServer) Stop() error {
ch := make(chan error)
s.exit <- ch
return <-ch
}
func NewRpcServer(address string) *RpcServer {
return &RpcServer{
address: address,
transport: transport.DefaultTransport,
rpc: rpc.NewServer(),
exit: make(chan chan error),
}
}