func (s *rpcServer) accept(sock transport.Socket) {
defer func() {
if r := recover(); r != nil {
log.Error(r, string(debug.Stack()))
sock.Close()
}
}()
var msg transport.Message
if err := sock.Recv(&msg); err != nil {
return
}
ct := msg.Header["Content-Type"]
cf, err := s.newCodec(ct)
// TODO: needs better error handling
if err != nil {
sock.Send(&transport.Message{
Header: map[string]string{
"Content-Type": "text/plain",
},
Body: []byte(err.Error()),
})
sock.Close()
return
}
codec := newRpcPlusCodec(&msg, sock, cf)
// strip our headers
hdr := make(map[string]string)
for k, v := range msg.Header {
hdr[k] = v
}
delete(hdr, "Content-Type")
ctx := c.WithMetadata(context.Background(), hdr)
// TODO: needs better error handling
if err := s.rpc.serveRequest(ctx, codec, ct); err != nil {
log.Errorf("Unexpected error serving request, closing socket: %v", err)
sock.Close()
}
}
func (s *rpcServer) accept(sock transport.Socket) {
defer func() {
// close socket
sock.Close()
if r := recover(); r != nil {
log.Print(r, string(debug.Stack()))
}
}()
for {
var msg transport.Message
if err := sock.Recv(&msg); err != nil {
return
}
// we use this Timeout header to set a server deadline
to := msg.Header["Timeout"]
// we use this Content-Type header to identify the codec needed
ct := msg.Header["Content-Type"]
cf, err := s.newCodec(ct)
// TODO: needs better error handling
if err != nil {
sock.Send(&transport.Message{
Header: map[string]string{
"Content-Type": "text/plain",
},
Body: []byte(err.Error()),
})
return
}
codec := newRpcPlusCodec(&msg, sock, cf)
// strip our headers
hdr := make(map[string]string)
for k, v := range msg.Header {
hdr[k] = v
}
delete(hdr, "Content-Type")
delete(hdr, "Timeout")
ctx := metadata.NewContext(context.Background(), hdr)
// set the timeout if we have it
if len(to) > 0 {
if n, err := strconv.ParseUint(to, 10, 64); err == nil {
ctx, _ = context.WithTimeout(ctx, time.Duration(n))
}
}
// TODO: needs better error handling
if err := s.rpc.serveRequest(ctx, codec, ct); err != nil {
log.Printf("Unexpected error serving request, closing socket: %v", err)
return
}
}
}
