diff --git a/p2p/simulations/adapters/exec.go b/p2p/simulations/adapters/exec.go
index 5eb0a31566c6217b589dfc262da69b01861dbb28..0dc2ee21d7a97252cb0336ebd1b37c88a3111ff7 100644
--- a/p2p/simulations/adapters/exec.go
+++ b/p2p/simulations/adapters/exec.go
@@ -41,7 +41,7 @@ import (
"github.com/ethereum/go-ethereum/p2p"
"github.com/ethereum/go-ethereum/p2p/enode"
"github.com/ethereum/go-ethereum/rpc"
- "golang.org/x/net/websocket"
+ "github.com/gorilla/websocket"
)
func init() {
@@ -118,7 +118,7 @@ func (e *ExecAdapter) NewNode(config *NodeConfig) (Node, error) {
conf.Stack.P2P.NAT = nil
conf.Stack.NoUSB = true
- // listen on a localhost port, which we set when we
+ // Listen on a localhost port, which we set when we
// initialise NodeConfig (usually a random port)
conf.Stack.P2P.ListenAddr = fmt.Sprintf(":%d", config.Port)
@@ -205,17 +205,17 @@ func (n *ExecNode) Start(snapshots map[string][]byte) (err error) {
}
n.Cmd = cmd
- // read the WebSocket address from the stderr logs
+ // Wait for the node to start.
status := <-statusC
if status.Err != "" {
return errors.New(status.Err)
}
- client, err := rpc.DialWebsocket(ctx, status.WSEndpoint, "http://localhost")
+ client, err := rpc.DialWebsocket(ctx, status.WSEndpoint, "")
if err != nil {
return fmt.Errorf("can't connect to RPC server: %v", err)
}
- // node ready :)
+ // Node ready :)
n.client = client
n.wsAddr = status.WSEndpoint
n.Info = status.NodeInfo
@@ -314,31 +314,37 @@ func (n *ExecNode) NodeInfo() *p2p.NodeInfo {
// ServeRPC serves RPC requests over the given connection by dialling the
// node's WebSocket address and joining the two connections
-func (n *ExecNode) ServeRPC(clientConn net.Conn) error {
- conn, err := websocket.Dial(n.wsAddr, "", "http://localhost")
+func (n *ExecNode) ServeRPC(clientConn *websocket.Conn) error {
+ conn, _, err := websocket.DefaultDialer.Dial(n.wsAddr, nil)
if err != nil {
return err
}
var wg sync.WaitGroup
wg.Add(2)
- join := func(src, dst net.Conn) {
- defer wg.Done()
- io.Copy(dst, src)
- // close the write end of the destination connection
- if cw, ok := dst.(interface {
- CloseWrite() error
- }); ok {
- cw.CloseWrite()
- } else {
- dst.Close()
- }
- }
- go join(conn, clientConn)
- go join(clientConn, conn)
+ go wsCopy(&wg, conn, clientConn)
+ go wsCopy(&wg, clientConn, conn)
wg.Wait()
+ conn.Close()
return nil
}
+func wsCopy(wg *sync.WaitGroup, src, dst *websocket.Conn) {
+ defer wg.Done()
+ for {
+ msgType, r, err := src.NextReader()
+ if err != nil {
+ return
+ }
+ w, err := dst.NextWriter(msgType)
+ if err != nil {
+ return
+ }
+ if _, err = io.Copy(w, r); err != nil {
+ return
+ }
+ }
+}
+
// Snapshots creates snapshots of the services by calling the
// simulation_snapshot RPC method
func (n *ExecNode) Snapshots() (map[string][]byte, error) {
diff --git a/p2p/simulations/adapters/inproc.go b/p2p/simulations/adapters/inproc.go
index c1cf23a175c61f150c0b876322f08dc7e5905b5d..9787082e182591e857e6b1e1115cc34a97df8824 100644
--- a/p2p/simulations/adapters/inproc.go
+++ b/p2p/simulations/adapters/inproc.go
@@ -30,6 +30,7 @@ import (
"github.com/ethereum/go-ethereum/p2p/enode"
"github.com/ethereum/go-ethereum/p2p/simulations/pipes"
"github.com/ethereum/go-ethereum/rpc"
+ "github.com/gorilla/websocket"
)
// SimAdapter is a NodeAdapter which creates in-memory simulation nodes and
@@ -210,13 +211,14 @@ func (sn *SimNode) Client() (*rpc.Client, error) {
}
// ServeRPC serves RPC requests over the given connection by creating an
-// in-memory client to the node's RPC server
-func (sn *SimNode) ServeRPC(conn net.Conn) error {
+// in-memory client to the node's RPC server.
+func (sn *SimNode) ServeRPC(conn *websocket.Conn) error {
handler, err := sn.node.RPCHandler()
if err != nil {
return err
}
- handler.ServeCodec(rpc.NewJSONCodec(conn), rpc.OptionMethodInvocation|rpc.OptionSubscriptions)
+ codec := rpc.NewFuncCodec(conn, conn.WriteJSON, conn.ReadJSON)
+ handler.ServeCodec(codec, 0)
return nil
}
diff --git a/p2p/simulations/adapters/types.go b/p2p/simulations/adapters/types.go
index 850de96a155e728cc6dccbfa88da86fc51867345..ec22b712c351a7395fffb482eab4f58e8ba3aa37 100644
--- a/p2p/simulations/adapters/types.go
+++ b/p2p/simulations/adapters/types.go
@@ -33,6 +33,7 @@ import (
"github.com/ethereum/go-ethereum/p2p/enode"
"github.com/ethereum/go-ethereum/p2p/enr"
"github.com/ethereum/go-ethereum/rpc"
+ "github.com/gorilla/websocket"
)
// Node represents a node in a simulation network which is created by a
@@ -51,7 +52,7 @@ type Node interface {
Client() (*rpc.Client, error)
// ServeRPC serves RPC requests over the given connection
- ServeRPC(net.Conn) error
+ ServeRPC(*websocket.Conn) error
// Start starts the node with the given snapshots
Start(snapshots map[string][]byte) error
diff --git a/p2p/simulations/http.go b/p2p/simulations/http.go
index 1f44cc66753aaaa40de46b6b6ff9193492d5b5c5..3f46baa7d36463dfad767637151da6f6b42fe8ec 100644
--- a/p2p/simulations/http.go
+++ b/p2p/simulations/http.go
@@ -34,8 +34,8 @@ import (
"github.com/ethereum/go-ethereum/p2p/enode"
"github.com/ethereum/go-ethereum/p2p/simulations/adapters"
"github.com/ethereum/go-ethereum/rpc"
+ "github.com/gorilla/websocket"
"github.com/julienschmidt/httprouter"
- "golang.org/x/net/websocket"
)
// DefaultClient is the default simulation API client which expects the API
@@ -654,16 +654,20 @@ func (s *Server) Options(w http.ResponseWriter, req *http.Request) {
w.WriteHeader(http.StatusOK)
}
+var wsUpgrade = websocket.Upgrader{
+ CheckOrigin: func(*http.Request) bool { return true },
+}
+
// NodeRPC forwards RPC requests to a node in the network via a WebSocket
// connection
func (s *Server) NodeRPC(w http.ResponseWriter, req *http.Request) {
- node := req.Context().Value("node").(*Node)
-
- handler := func(conn *websocket.Conn) {
- node.ServeRPC(conn)
+ conn, err := wsUpgrade.Upgrade(w, req, nil)
+ if err != nil {
+ return
}
-
- websocket.Server{Handler: handler}.ServeHTTP(w, req)
+ defer conn.Close()
+ node := req.Context().Value("node").(*Node)
+ node.ServeRPC(conn)
}
// ServeHTTP implements the http.Handler interface by delegating to the
diff --git a/rpc/client.go b/rpc/client.go
index 4b65d0042186a86e53468d32b2298f00788103e5..a04198ad87832e62d8ffc3d617c7288646a53e53 100644
--- a/rpc/client.go
+++ b/rpc/client.go
@@ -117,7 +117,7 @@ func (c *Client) newClientConn(conn ServerCodec) *clientConn {
func (cc *clientConn) close(err error, inflightReq *requestOp) {
cc.handler.close(err, inflightReq)
- cc.codec.Close()
+ cc.codec.close()
}
type readOp struct {
@@ -484,7 +484,7 @@ func (c *Client) write(ctx context.Context, msg interface{}) error {
return err
}
}
- err := c.writeConn.Write(ctx, msg)
+ err := c.writeConn.writeJSON(ctx, msg)
if err != nil {
c.writeConn = nil
}
@@ -511,7 +511,7 @@ func (c *Client) reconnect(ctx context.Context) error {
c.writeConn = newconn
return nil
case <-c.didClose:
- newconn.Close()
+ newconn.close()
return ErrClientQuit
}
}
@@ -558,7 +558,7 @@ func (c *Client) dispatch(codec ServerCodec) {
// Reconnect:
case newcodec := <-c.reconnected:
- log.Debug("RPC client reconnected", "reading", reading, "conn", newcodec.RemoteAddr())
+ log.Debug("RPC client reconnected", "reading", reading, "conn", newcodec.remoteAddr())
if reading {
// Wait for the previous read loop to exit. This is a rare case which
// happens if this loop isn't notified in time after the connection breaks.
@@ -612,9 +612,9 @@ func (c *Client) drainRead() {
// read decodes RPC messages from a codec, feeding them into dispatch.
func (c *Client) read(codec ServerCodec) {
for {
- msgs, batch, err := codec.Read()
+ msgs, batch, err := codec.readBatch()
if _, ok := err.(*json.SyntaxError); ok {
- codec.Write(context.Background(), errorMessage(&parseError{err.Error()}))
+ codec.writeJSON(context.Background(), errorMessage(&parseError{err.Error()}))
}
if err != nil {
c.readErr <- err
diff --git a/rpc/handler.go b/rpc/handler.go
index 8a4e480ee2c71a5b448edd9cfcdb70cac8e109f1..461a88060982c8fa0962b30390ebef6ec63650ba 100644
--- a/rpc/handler.go
+++ b/rpc/handler.go
@@ -85,8 +85,8 @@ func newHandler(connCtx context.Context, conn jsonWriter, idgen func() ID, reg *
serverSubs: make(map[ID]*Subscription),
log: log.Root(),
}
- if conn.RemoteAddr() != "" {
- h.log = h.log.New("conn", conn.RemoteAddr())
+ if conn.remoteAddr() != "" {
+ h.log = h.log.New("conn", conn.remoteAddr())
}
h.unsubscribeCb = newCallback(reflect.Value{}, reflect.ValueOf(h.unsubscribe))
return h
@@ -97,7 +97,7 @@ func (h *handler) handleBatch(msgs []*jsonrpcMessage) {
// Emit error response for empty batches:
if len(msgs) == 0 {
h.startCallProc(func(cp *callProc) {
- h.conn.Write(cp.ctx, errorMessage(&invalidRequestError{"empty batch"}))
+ h.conn.writeJSON(cp.ctx, errorMessage(&invalidRequestError{"empty batch"}))
})
return
}
@@ -122,7 +122,7 @@ func (h *handler) handleBatch(msgs []*jsonrpcMessage) {
}
h.addSubscriptions(cp.notifiers)
if len(answers) > 0 {
- h.conn.Write(cp.ctx, answers)
+ h.conn.writeJSON(cp.ctx, answers)
}
for _, n := range cp.notifiers {
n.activate()
@@ -139,7 +139,7 @@ func (h *handler) handleMsg(msg *jsonrpcMessage) {
answer := h.handleCallMsg(cp, msg)
h.addSubscriptions(cp.notifiers)
if answer != nil {
- h.conn.Write(cp.ctx, answer)
+ h.conn.writeJSON(cp.ctx, answer)
}
for _, n := range cp.notifiers {
n.activate()
diff --git a/rpc/http.go b/rpc/http.go
index 2c0cb5edbe60380c1a9c8dec15154b025541facf..0de127c80809d4f9ede243b924a84c3013af5a3d 100644
--- a/rpc/http.go
+++ b/rpc/http.go
@@ -47,29 +47,29 @@ type httpConn struct {
client *http.Client
req *http.Request
closeOnce sync.Once
- closed chan interface{}
+ closeCh chan interface{}
}
// httpConn is treated specially by Client.
-func (hc *httpConn) Write(context.Context, interface{}) error {
- panic("Write called on httpConn")
+func (hc *httpConn) writeJSON(context.Context, interface{}) error {
+ panic("writeJSON called on httpConn")
}
-func (hc *httpConn) RemoteAddr() string {
+func (hc *httpConn) remoteAddr() string {
return hc.req.URL.String()
}
-func (hc *httpConn) Read() ([]*jsonrpcMessage, bool, error) {
- <-hc.closed
+func (hc *httpConn) readBatch() ([]*jsonrpcMessage, bool, error) {
+ <-hc.closeCh
return nil, false, io.EOF
}
-func (hc *httpConn) Close() {
- hc.closeOnce.Do(func() { close(hc.closed) })
+func (hc *httpConn) close() {
+ hc.closeOnce.Do(func() { close(hc.closeCh) })
}
-func (hc *httpConn) Closed() <-chan interface{} {
- return hc.closed
+func (hc *httpConn) closed() <-chan interface{} {
+ return hc.closeCh
}
// HTTPTimeouts represents the configuration params for the HTTP RPC server.
@@ -116,7 +116,7 @@ func DialHTTPWithClient(endpoint string, client *http.Client) (*Client, error) {
initctx := context.Background()
return newClient(initctx, func(context.Context) (ServerCodec, error) {
- return &httpConn{client: client, req: req, closed: make(chan interface{})}, nil
+ return &httpConn{client: client, req: req, closeCh: make(chan interface{})}, nil
})
}
@@ -195,7 +195,7 @@ type httpServerConn struct {
func newHTTPServerConn(r *http.Request, w http.ResponseWriter) ServerCodec {
body := io.LimitReader(r.Body, maxRequestContentLength)
conn := &httpServerConn{Reader: body, Writer: w, r: r}
- return NewJSONCodec(conn)
+ return NewCodec(conn)
}
// Close does nothing and always returns nil.
@@ -266,7 +266,7 @@ func (s *Server) ServeHTTP(w http.ResponseWriter, r *http.Request) {
w.Header().Set("content-type", contentType)
codec := newHTTPServerConn(r, w)
- defer codec.Close()
+ defer codec.close()
s.serveSingleRequest(ctx, codec)
}
diff --git a/rpc/inproc.go b/rpc/inproc.go
index c4456cfc4bfcfb3b8dde74dee94243bbb0a40155..fbe9a40ceca9fe4b25d3174589c7bd2a443b0d38 100644
--- a/rpc/inproc.go
+++ b/rpc/inproc.go
@@ -26,8 +26,8 @@ func DialInProc(handler *Server) *Client {
initctx := context.Background()
c, _ := newClient(initctx, func(context.Context) (ServerCodec, error) {
p1, p2 := net.Pipe()
- go handler.ServeCodec(NewJSONCodec(p1), OptionMethodInvocation|OptionSubscriptions)
- return NewJSONCodec(p2), nil
+ go handler.ServeCodec(NewCodec(p1), 0)
+ return NewCodec(p2), nil
})
return c
}
diff --git a/rpc/ipc.go b/rpc/ipc.go
index ad8ce03098f7bb29ee060b6c308f15b3dd631e01..07a211c6277c4f1d33498e408b89af86a15fc74d 100644
--- a/rpc/ipc.go
+++ b/rpc/ipc.go
@@ -35,7 +35,7 @@ func (s *Server) ServeListener(l net.Listener) error {
return err
}
log.Trace("Accepted RPC connection", "conn", conn.RemoteAddr())
- go s.ServeCodec(NewJSONCodec(conn), OptionMethodInvocation|OptionSubscriptions)
+ go s.ServeCodec(NewCodec(conn), 0)
}
}
@@ -51,6 +51,6 @@ func DialIPC(ctx context.Context, endpoint string) (*Client, error) {
if err != nil {
return nil, err
}
- return NewJSONCodec(conn), err
+ return NewCodec(conn), err
})
}
diff --git a/rpc/json.go b/rpc/json.go
index 75c221038e61d9dbefa39c8a490879404150d21a..ad7294d3156070eb377009946ef383646f62a392 100644
--- a/rpc/json.go
+++ b/rpc/json.go
@@ -164,43 +164,45 @@ func (c connWithRemoteAddr) RemoteAddr() string { return c.addr }
// jsonCodec reads and writes JSON-RPC messages to the underlying connection. It also has
// support for parsing arguments and serializing (result) objects.
type jsonCodec struct {
- remoteAddr string
- closer sync.Once // close closed channel once
- closed chan interface{} // closed on Close
- decode func(v interface{}) error // decoder to allow multiple transports
- encMu sync.Mutex // guards the encoder
- encode func(v interface{}) error // encoder to allow multiple transports
- conn deadlineCloser
-}
-
-func newCodec(conn deadlineCloser, encode, decode func(v interface{}) error) ServerCodec {
+ remote string
+ closer sync.Once // close closed channel once
+ closeCh chan interface{} // closed on Close
+ decode func(v interface{}) error // decoder to allow multiple transports
+ encMu sync.Mutex // guards the encoder
+ encode func(v interface{}) error // encoder to allow multiple transports
+ conn deadlineCloser
+}
+
+// NewFuncCodec creates a codec which uses the given functions to read and write. If conn
+// implements ConnRemoteAddr, log messages will use it to include the remote address of
+// the connection.
+func NewFuncCodec(conn deadlineCloser, encode, decode func(v interface{}) error) ServerCodec {
codec := &jsonCodec{
- closed: make(chan interface{}),
- encode: encode,
- decode: decode,
- conn: conn,
+ closeCh: make(chan interface{}),
+ encode: encode,
+ decode: decode,
+ conn: conn,
}
if ra, ok := conn.(ConnRemoteAddr); ok {
- codec.remoteAddr = ra.RemoteAddr()
+ codec.remote = ra.RemoteAddr()
}
return codec
}
-// NewJSONCodec creates a codec that reads from the given connection. If conn implements
-// ConnRemoteAddr, log messages will use it to include the remote address of the
-// connection.
-func NewJSONCodec(conn Conn) ServerCodec {
+// NewCodec creates a codec on the given connection. If conn implements ConnRemoteAddr, log
+// messages will use it to include the remote address of the connection.
+func NewCodec(conn Conn) ServerCodec {
enc := json.NewEncoder(conn)
dec := json.NewDecoder(conn)
dec.UseNumber()
- return newCodec(conn, enc.Encode, dec.Decode)
+ return NewFuncCodec(conn, enc.Encode, dec.Decode)
}
-func (c *jsonCodec) RemoteAddr() string {
- return c.remoteAddr
+func (c *jsonCodec) remoteAddr() string {
+ return c.remote
}
-func (c *jsonCodec) Read() (msg []*jsonrpcMessage, batch bool, err error) {
+func (c *jsonCodec) readBatch() (msg []*jsonrpcMessage, batch bool, err error) {
// Decode the next JSON object in the input stream.
// This verifies basic syntax, etc.
var rawmsg json.RawMessage
@@ -211,8 +213,7 @@ func (c *jsonCodec) Read() (msg []*jsonrpcMessage, batch bool, err error) {
return msg, batch, nil
}
-// Write sends a message to client.
-func (c *jsonCodec) Write(ctx context.Context, v interface{}) error {
+func (c *jsonCodec) writeJSON(ctx context.Context, v interface{}) error {
c.encMu.Lock()
defer c.encMu.Unlock()
@@ -224,17 +225,16 @@ func (c *jsonCodec) Write(ctx context.Context, v interface{}) error {
return c.encode(v)
}
-// Close the underlying connection
-func (c *jsonCodec) Close() {
+func (c *jsonCodec) close() {
c.closer.Do(func() {
- close(c.closed)
+ close(c.closeCh)
c.conn.Close()
})
}
// Closed returns a channel which will be closed when Close is called
-func (c *jsonCodec) Closed() <-chan interface{} {
- return c.closed
+func (c *jsonCodec) closed() <-chan interface{} {
+ return c.closeCh
}
// parseMessage parses raw bytes as a (batch of) JSON-RPC message(s). There are no error
diff --git a/rpc/server.go b/rpc/server.go
index 5a92847f20e4f0bc3006c5e0c433cbbdd37adf7b..ddd7c744c02410058061e256d128bcc3140e6a16 100644
--- a/rpc/server.go
+++ b/rpc/server.go
@@ -72,7 +72,7 @@ func (s *Server) RegisterName(name string, receiver interface{}) error {
//
// Note that codec options are no longer supported.
func (s *Server) ServeCodec(codec ServerCodec, options CodecOption) {
- defer codec.Close()
+ defer codec.close()
// Don't serve if server is stopped.
if atomic.LoadInt32(&s.run) == 0 {
@@ -84,7 +84,7 @@ func (s *Server) ServeCodec(codec ServerCodec, options CodecOption) {
defer s.codecs.Remove(codec)
c := initClient(codec, s.idgen, &s.services)
- <-codec.Closed()
+ <-codec.closed()
c.Close()
}
@@ -101,10 +101,10 @@ func (s *Server) serveSingleRequest(ctx context.Context, codec ServerCodec) {
h.allowSubscribe = false
defer h.close(io.EOF, nil)
- reqs, batch, err := codec.Read()
+ reqs, batch, err := codec.readBatch()
if err != nil {
if err != io.EOF {
- codec.Write(ctx, errorMessage(&invalidMessageError{"parse error"}))
+ codec.writeJSON(ctx, errorMessage(&invalidMessageError{"parse error"}))
}
return
}
@@ -122,7 +122,7 @@ func (s *Server) Stop() {
if atomic.CompareAndSwapInt32(&s.run, 1, 0) {
log.Debug("RPC server shutting down")
s.codecs.Each(func(c interface{}) bool {
- c.(ServerCodec).Close()
+ c.(ServerCodec).close()
return true
})
}
diff --git a/rpc/server_test.go b/rpc/server_test.go
index 39099546bbe0f7a484b47cca825d06e75016b9b5..a4ca1fde43ea8175bef74b63790f9bc7a9b7d3c9 100644
--- a/rpc/server_test.go
+++ b/rpc/server_test.go
@@ -77,7 +77,7 @@ func runTestScript(t *testing.T, file string) {
clientConn, serverConn := net.Pipe()
defer clientConn.Close()
- go server.ServeCodec(NewJSONCodec(serverConn), OptionMethodInvocation|OptionSubscriptions)
+ go server.ServeCodec(NewCodec(serverConn), 0)
readbuf := bufio.NewReader(clientConn)
for _, line := range strings.Split(string(content), "\n") {
line = strings.TrimSpace(line)
diff --git a/rpc/stdio.go b/rpc/stdio.go
index d5dc066c99bb69a3cc90049541afa9c8b5fc8246..be2bab1c98bd1a9582298afdcf06a578c713c6ea 100644
--- a/rpc/stdio.go
+++ b/rpc/stdio.go
@@ -33,7 +33,7 @@ func DialStdIO(ctx context.Context) (*Client, error) {
// DialIO creates a client which uses the given IO channels
func DialIO(ctx context.Context, in io.Reader, out io.Writer) (*Client, error) {
return newClient(ctx, func(_ context.Context) (ServerCodec, error) {
- return NewJSONCodec(stdioConn{
+ return NewCodec(stdioConn{
in: in,
out: out,
}), nil
diff --git a/rpc/subscription.go b/rpc/subscription.go
index c1e869b8a3a462f31b032e4857ab7bc3e56cdec4..153e24063e77f34360936f5d868575a22ed78778 100644
--- a/rpc/subscription.go
+++ b/rpc/subscription.go
@@ -141,7 +141,7 @@ func (n *Notifier) Notify(id ID, data interface{}) error {
// Closed returns a channel that is closed when the RPC connection is closed.
// Deprecated: use subscription error channel
func (n *Notifier) Closed() <-chan interface{} {
- return n.h.conn.Closed()
+ return n.h.conn.closed()
}
// takeSubscription returns the subscription (if one has been created). No subscription can
@@ -172,7 +172,7 @@ func (n *Notifier) activate() error {
func (n *Notifier) send(sub *Subscription, data json.RawMessage) error {
params, _ := json.Marshal(&subscriptionResult{ID: string(sub.ID), Result: data})
ctx := context.Background()
- return n.h.conn.Write(ctx, &jsonrpcMessage{
+ return n.h.conn.writeJSON(ctx, &jsonrpcMessage{
Version: vsn,
Method: n.namespace + notificationMethodSuffix,
Params: params,
diff --git a/rpc/subscription_test.go b/rpc/subscription_test.go
index eba192450db0995d72e01133f7b29154320c5d3b..c3a918a83295c0939b12c69e721019d8d91c8798 100644
--- a/rpc/subscription_test.go
+++ b/rpc/subscription_test.go
@@ -68,7 +68,7 @@ func TestSubscriptions(t *testing.T) {
t.Fatalf("unable to register test service %v", err)
}
}
- go server.ServeCodec(NewJSONCodec(serverConn), OptionMethodInvocation|OptionSubscriptions)
+ go server.ServeCodec(NewCodec(serverConn), 0)
defer server.Stop()
// wait for message and write them to the given channels
@@ -130,7 +130,7 @@ func TestServerUnsubscribe(t *testing.T) {
service := ¬ificationTestService{unsubscribed: make(chan string)}
server.RegisterName("nftest2", service)
p1, p2 := net.Pipe()
- go server.ServeCodec(NewJSONCodec(p1), OptionMethodInvocation|OptionSubscriptions)
+ go server.ServeCodec(NewCodec(p1), 0)
p2.SetDeadline(time.Now().Add(10 * time.Second))
diff --git a/rpc/types.go b/rpc/types.go
index e6b9f2a300d22760f53c043e791b4659bb0659c3..fd783137ea1167e5ef219fb96adace8bc0f9d908 100644
--- a/rpc/types.go
+++ b/rpc/types.go
@@ -45,19 +45,19 @@ type Error interface {
// a RPC session. Implementations must be go-routine safe since the codec can be called in
// multiple go-routines concurrently.
type ServerCodec interface {
- Read() (msgs []*jsonrpcMessage, isBatch bool, err error)
- Close()
+ readBatch() (msgs []*jsonrpcMessage, isBatch bool, err error)
+ close()
jsonWriter
}
// jsonWriter can write JSON messages to its underlying connection.
// Implementations must be safe for concurrent use.
type jsonWriter interface {
- Write(context.Context, interface{}) error
+ writeJSON(context.Context, interface{}) error
// Closed returns a channel which is closed when the connection is closed.
- Closed() <-chan interface{}
+ closed() <-chan interface{}
// RemoteAddr returns the peer address of the connection.
- RemoteAddr() string
+ remoteAddr() string
}
type BlockNumber int64
diff --git a/rpc/websocket.go b/rpc/websocket.go
index 1632d6af412a57c2a2dce401bc7d288ffad1554f..e34241e47fd0589df9d7fc9ab09e22eb5dedfab0 100644
--- a/rpc/websocket.go
+++ b/rpc/websocket.go
@@ -63,7 +63,7 @@ func (s *Server) WebsocketHandler(allowedOrigins []string) http.Handler {
return
}
codec := newWebsocketCodec(conn)
- s.ServeCodec(codec, OptionMethodInvocation|OptionSubscriptions)
+ s.ServeCodec(codec, 0)
})
}
@@ -171,5 +171,5 @@ func wsClientHeaders(endpoint, origin string) (string, http.Header, error) {
func newWebsocketCodec(conn *websocket.Conn) ServerCodec {
conn.SetReadLimit(maxRequestContentLength)
- return newCodec(conn, conn.WriteJSON, conn.ReadJSON)
+ return NewFuncCodec(conn, conn.WriteJSON, conn.ReadJSON)
}
diff --git a/vendor/golang.org/x/net/websocket/client.go b/vendor/golang.org/x/net/websocket/client.go
deleted file mode 100644
index 69a4ac7eefecc1276bbfbe6cc49e0cd9218dafe6..0000000000000000000000000000000000000000
--- a/vendor/golang.org/x/net/websocket/client.go
+++ /dev/null
@@ -1,106 +0,0 @@
-// Copyright 2009 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package websocket
-
-import (
- "bufio"
- "io"
- "net"
- "net/http"
- "net/url"
-)
-
-// DialError is an error that occurs while dialling a websocket server.
-type DialError struct {
- *Config
- Err error
-}
-
-func (e *DialError) Error() string {
- return "websocket.Dial " + e.Config.Location.String() + ": " + e.Err.Error()
-}
-
-// NewConfig creates a new WebSocket config for client connection.
-func NewConfig(server, origin string) (config *Config, err error) {
- config = new(Config)
- config.Version = ProtocolVersionHybi13
- config.Location, err = url.ParseRequestURI(server)
- if err != nil {
- return
- }
- config.Origin, err = url.ParseRequestURI(origin)
- if err != nil {
- return
- }
- config.Header = http.Header(make(map[string][]string))
- return
-}
-
-// NewClient creates a new WebSocket client connection over rwc.
-func NewClient(config *Config, rwc io.ReadWriteCloser) (ws *Conn, err error) {
- br := bufio.NewReader(rwc)
- bw := bufio.NewWriter(rwc)
- err = hybiClientHandshake(config, br, bw)
- if err != nil {
- return
- }
- buf := bufio.NewReadWriter(br, bw)
- ws = newHybiClientConn(config, buf, rwc)
- return
-}
-
-// Dial opens a new client connection to a WebSocket.
-func Dial(url_, protocol, origin string) (ws *Conn, err error) {
- config, err := NewConfig(url_, origin)
- if err != nil {
- return nil, err
- }
- if protocol != "" {
- config.Protocol = []string{protocol}
- }
- return DialConfig(config)
-}
-
-var portMap = map[string]string{
- "ws": "80",
- "wss": "443",
-}
-
-func parseAuthority(location *url.URL) string {
- if _, ok := portMap[location.Scheme]; ok {
- if _, _, err := net.SplitHostPort(location.Host); err != nil {
- return net.JoinHostPort(location.Host, portMap[location.Scheme])
- }
- }
- return location.Host
-}
-
-// DialConfig opens a new client connection to a WebSocket with a config.
-func DialConfig(config *Config) (ws *Conn, err error) {
- var client net.Conn
- if config.Location == nil {
- return nil, &DialError{config, ErrBadWebSocketLocation}
- }
- if config.Origin == nil {
- return nil, &DialError{config, ErrBadWebSocketOrigin}
- }
- dialer := config.Dialer
- if dialer == nil {
- dialer = &net.Dialer{}
- }
- client, err = dialWithDialer(dialer, config)
- if err != nil {
- goto Error
- }
- ws, err = NewClient(config, client)
- if err != nil {
- client.Close()
- goto Error
- }
- return
-
-Error:
- return nil, &DialError{config, err}
-}
diff --git a/vendor/golang.org/x/net/websocket/dial.go b/vendor/golang.org/x/net/websocket/dial.go
deleted file mode 100644
index 2dab943a489a0ba5b3a99a7b58f689039a43cca8..0000000000000000000000000000000000000000
--- a/vendor/golang.org/x/net/websocket/dial.go
+++ /dev/null
@@ -1,24 +0,0 @@
-// Copyright 2015 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package websocket
-
-import (
- "crypto/tls"
- "net"
-)
-
-func dialWithDialer(dialer *net.Dialer, config *Config) (conn net.Conn, err error) {
- switch config.Location.Scheme {
- case "ws":
- conn, err = dialer.Dial("tcp", parseAuthority(config.Location))
-
- case "wss":
- conn, err = tls.DialWithDialer(dialer, "tcp", parseAuthority(config.Location), config.TlsConfig)
-
- default:
- err = ErrBadScheme
- }
- return
-}
diff --git a/vendor/golang.org/x/net/websocket/hybi.go b/vendor/golang.org/x/net/websocket/hybi.go
deleted file mode 100644
index 8cffdd16c91da4627b5e3116fc292495b113543e..0000000000000000000000000000000000000000
--- a/vendor/golang.org/x/net/websocket/hybi.go
+++ /dev/null
@@ -1,583 +0,0 @@
-// Copyright 2011 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package websocket
-
-// This file implements a protocol of hybi draft.
-// http://tools.ietf.org/html/draft-ietf-hybi-thewebsocketprotocol-17
-
-import (
- "bufio"
- "bytes"
- "crypto/rand"
- "crypto/sha1"
- "encoding/base64"
- "encoding/binary"
- "fmt"
- "io"
- "io/ioutil"
- "net/http"
- "net/url"
- "strings"
-)
-
-const (
- websocketGUID = "258EAFA5-E914-47DA-95CA-C5AB0DC85B11"
-
- closeStatusNormal = 1000
- closeStatusGoingAway = 1001
- closeStatusProtocolError = 1002
- closeStatusUnsupportedData = 1003
- closeStatusFrameTooLarge = 1004
- closeStatusNoStatusRcvd = 1005
- closeStatusAbnormalClosure = 1006
- closeStatusBadMessageData = 1007
- closeStatusPolicyViolation = 1008
- closeStatusTooBigData = 1009
- closeStatusExtensionMismatch = 1010
-
- maxControlFramePayloadLength = 125
-)
-
-var (
- ErrBadMaskingKey = &ProtocolError{"bad masking key"}
- ErrBadPongMessage = &ProtocolError{"bad pong message"}
- ErrBadClosingStatus = &ProtocolError{"bad closing status"}
- ErrUnsupportedExtensions = &ProtocolError{"unsupported extensions"}
- ErrNotImplemented = &ProtocolError{"not implemented"}
-
- handshakeHeader = map[string]bool{
- "Host": true,
- "Upgrade": true,
- "Connection": true,
- "Sec-Websocket-Key": true,
- "Sec-Websocket-Origin": true,
- "Sec-Websocket-Version": true,
- "Sec-Websocket-Protocol": true,
- "Sec-Websocket-Accept": true,
- }
-)
-
-// A hybiFrameHeader is a frame header as defined in hybi draft.
-type hybiFrameHeader struct {
- Fin bool
- Rsv [3]bool
- OpCode byte
- Length int64
- MaskingKey []byte
-
- data *bytes.Buffer
-}
-
-// A hybiFrameReader is a reader for hybi frame.
-type hybiFrameReader struct {
- reader io.Reader
-
- header hybiFrameHeader
- pos int64
- length int
-}
-
-func (frame *hybiFrameReader) Read(msg []byte) (n int, err error) {
- n, err = frame.reader.Read(msg)
- if frame.header.MaskingKey != nil {
- for i := 0; i < n; i++ {
- msg[i] = msg[i] ^ frame.header.MaskingKey[frame.pos%4]
- frame.pos++
- }
- }
- return n, err
-}
-
-func (frame *hybiFrameReader) PayloadType() byte { return frame.header.OpCode }
-
-func (frame *hybiFrameReader) HeaderReader() io.Reader {
- if frame.header.data == nil {
- return nil
- }
- if frame.header.data.Len() == 0 {
- return nil
- }
- return frame.header.data
-}
-
-func (frame *hybiFrameReader) TrailerReader() io.Reader { return nil }
-
-func (frame *hybiFrameReader) Len() (n int) { return frame.length }
-
-// A hybiFrameReaderFactory creates new frame reader based on its frame type.
-type hybiFrameReaderFactory struct {
- *bufio.Reader
-}
-
-// NewFrameReader reads a frame header from the connection, and creates new reader for the frame.
-// See Section 5.2 Base Framing protocol for detail.
-// http://tools.ietf.org/html/draft-ietf-hybi-thewebsocketprotocol-17#section-5.2
-func (buf hybiFrameReaderFactory) NewFrameReader() (frame frameReader, err error) {
- hybiFrame := new(hybiFrameReader)
- frame = hybiFrame
- var header []byte
- var b byte
- // First byte. FIN/RSV1/RSV2/RSV3/OpCode(4bits)
- b, err = buf.ReadByte()
- if err != nil {
- return
- }
- header = append(header, b)
- hybiFrame.header.Fin = ((header[0] >> 7) & 1) != 0
- for i := 0; i < 3; i++ {
- j := uint(6 - i)
- hybiFrame.header.Rsv[i] = ((header[0] >> j) & 1) != 0
- }
- hybiFrame.header.OpCode = header[0] & 0x0f
-
- // Second byte. Mask/Payload len(7bits)
- b, err = buf.ReadByte()
- if err != nil {
- return
- }
- header = append(header, b)
- mask := (b & 0x80) != 0
- b &= 0x7f
- lengthFields := 0
- switch {
- case b <= 125: // Payload length 7bits.
- hybiFrame.header.Length = int64(b)
- case b == 126: // Payload length 7+16bits
- lengthFields = 2
- case b == 127: // Payload length 7+64bits
- lengthFields = 8
- }
- for i := 0; i < lengthFields; i++ {
- b, err = buf.ReadByte()
- if err != nil {
- return
- }
- if lengthFields == 8 && i == 0 { // MSB must be zero when 7+64 bits
- b &= 0x7f
- }
- header = append(header, b)
- hybiFrame.header.Length = hybiFrame.header.Length*256 + int64(b)
- }
- if mask {
- // Masking key. 4 bytes.
- for i := 0; i < 4; i++ {
- b, err = buf.ReadByte()
- if err != nil {
- return
- }
- header = append(header, b)
- hybiFrame.header.MaskingKey = append(hybiFrame.header.MaskingKey, b)
- }
- }
- hybiFrame.reader = io.LimitReader(buf.Reader, hybiFrame.header.Length)
- hybiFrame.header.data = bytes.NewBuffer(header)
- hybiFrame.length = len(header) + int(hybiFrame.header.Length)
- return
-}
-
-// A HybiFrameWriter is a writer for hybi frame.
-type hybiFrameWriter struct {
- writer *bufio.Writer
-
- header *hybiFrameHeader
-}
-
-func (frame *hybiFrameWriter) Write(msg []byte) (n int, err error) {
- var header []byte
- var b byte
- if frame.header.Fin {
- b |= 0x80
- }
- for i := 0; i < 3; i++ {
- if frame.header.Rsv[i] {
- j := uint(6 - i)
- b |= 1 << j
- }
- }
- b |= frame.header.OpCode
- header = append(header, b)
- if frame.header.MaskingKey != nil {
- b = 0x80
- } else {
- b = 0
- }
- lengthFields := 0
- length := len(msg)
- switch {
- case length <= 125:
- b |= byte(length)
- case length < 65536:
- b |= 126
- lengthFields = 2
- default:
- b |= 127
- lengthFields = 8
- }
- header = append(header, b)
- for i := 0; i < lengthFields; i++ {
- j := uint((lengthFields - i - 1) * 8)
- b = byte((length >> j) & 0xff)
- header = append(header, b)
- }
- if frame.header.MaskingKey != nil {
- if len(frame.header.MaskingKey) != 4 {
- return 0, ErrBadMaskingKey
- }
- header = append(header, frame.header.MaskingKey...)
- frame.writer.Write(header)
- data := make([]byte, length)
- for i := range data {
- data[i] = msg[i] ^ frame.header.MaskingKey[i%4]
- }
- frame.writer.Write(data)
- err = frame.writer.Flush()
- return length, err
- }
- frame.writer.Write(header)
- frame.writer.Write(msg)
- err = frame.writer.Flush()
- return length, err
-}
-
-func (frame *hybiFrameWriter) Close() error { return nil }
-
-type hybiFrameWriterFactory struct {
- *bufio.Writer
- needMaskingKey bool
-}
-
-func (buf hybiFrameWriterFactory) NewFrameWriter(payloadType byte) (frame frameWriter, err error) {
- frameHeader := &hybiFrameHeader{Fin: true, OpCode: payloadType}
- if buf.needMaskingKey {
- frameHeader.MaskingKey, err = generateMaskingKey()
- if err != nil {
- return nil, err
- }
- }
- return &hybiFrameWriter{writer: buf.Writer, header: frameHeader}, nil
-}
-
-type hybiFrameHandler struct {
- conn *Conn
- payloadType byte
-}
-
-func (handler *hybiFrameHandler) HandleFrame(frame frameReader) (frameReader, error) {
- if handler.conn.IsServerConn() {
- // The client MUST mask all frames sent to the server.
- if frame.(*hybiFrameReader).header.MaskingKey == nil {
- handler.WriteClose(closeStatusProtocolError)
- return nil, io.EOF
- }
- } else {
- // The server MUST NOT mask all frames.
- if frame.(*hybiFrameReader).header.MaskingKey != nil {
- handler.WriteClose(closeStatusProtocolError)
- return nil, io.EOF
- }
- }
- if header := frame.HeaderReader(); header != nil {
- io.Copy(ioutil.Discard, header)
- }
- switch frame.PayloadType() {
- case ContinuationFrame:
- frame.(*hybiFrameReader).header.OpCode = handler.payloadType
- case TextFrame, BinaryFrame:
- handler.payloadType = frame.PayloadType()
- case CloseFrame:
- return nil, io.EOF
- case PingFrame, PongFrame:
- b := make([]byte, maxControlFramePayloadLength)
- n, err := io.ReadFull(frame, b)
- if err != nil && err != io.EOF && err != io.ErrUnexpectedEOF {
- return nil, err
- }
- io.Copy(ioutil.Discard, frame)
- if frame.PayloadType() == PingFrame {
- if _, err := handler.WritePong(b[:n]); err != nil {
- return nil, err
- }
- }
- return nil, nil
- }
- return frame, nil
-}
-
-func (handler *hybiFrameHandler) WriteClose(status int) (err error) {
- handler.conn.wio.Lock()
- defer handler.conn.wio.Unlock()
- w, err := handler.conn.frameWriterFactory.NewFrameWriter(CloseFrame)
- if err != nil {
- return err
- }
- msg := make([]byte, 2)
- binary.BigEndian.PutUint16(msg, uint16(status))
- _, err = w.Write(msg)
- w.Close()
- return err
-}
-
-func (handler *hybiFrameHandler) WritePong(msg []byte) (n int, err error) {
- handler.conn.wio.Lock()
- defer handler.conn.wio.Unlock()
- w, err := handler.conn.frameWriterFactory.NewFrameWriter(PongFrame)
- if err != nil {
- return 0, err
- }
- n, err = w.Write(msg)
- w.Close()
- return n, err
-}
-
-// newHybiConn creates a new WebSocket connection speaking hybi draft protocol.
-func newHybiConn(config *Config, buf *bufio.ReadWriter, rwc io.ReadWriteCloser, request *http.Request) *Conn {
- if buf == nil {
- br := bufio.NewReader(rwc)
- bw := bufio.NewWriter(rwc)
- buf = bufio.NewReadWriter(br, bw)
- }
- ws := &Conn{config: config, request: request, buf: buf, rwc: rwc,
- frameReaderFactory: hybiFrameReaderFactory{buf.Reader},
- frameWriterFactory: hybiFrameWriterFactory{
- buf.Writer, request == nil},
- PayloadType: TextFrame,
- defaultCloseStatus: closeStatusNormal}
- ws.frameHandler = &hybiFrameHandler{conn: ws}
- return ws
-}
-
-// generateMaskingKey generates a masking key for a frame.
-func generateMaskingKey() (maskingKey []byte, err error) {
- maskingKey = make([]byte, 4)
- if _, err = io.ReadFull(rand.Reader, maskingKey); err != nil {
- return
- }
- return
-}
-
-// generateNonce generates a nonce consisting of a randomly selected 16-byte
-// value that has been base64-encoded.
-func generateNonce() (nonce []byte) {
- key := make([]byte, 16)
- if _, err := io.ReadFull(rand.Reader, key); err != nil {
- panic(err)
- }
- nonce = make([]byte, 24)
- base64.StdEncoding.Encode(nonce, key)
- return
-}
-
-// removeZone removes IPv6 zone identifer from host.
-// E.g., "[fe80::1%en0]:8080" to "[fe80::1]:8080"
-func removeZone(host string) string {
- if !strings.HasPrefix(host, "[") {
- return host
- }
- i := strings.LastIndex(host, "]")
- if i < 0 {
- return host
- }
- j := strings.LastIndex(host[:i], "%")
- if j < 0 {
- return host
- }
- return host[:j] + host[i:]
-}
-
-// getNonceAccept computes the base64-encoded SHA-1 of the concatenation of
-// the nonce ("Sec-WebSocket-Key" value) with the websocket GUID string.
-func getNonceAccept(nonce []byte) (expected []byte, err error) {
- h := sha1.New()
- if _, err = h.Write(nonce); err != nil {
- return
- }
- if _, err = h.Write([]byte(websocketGUID)); err != nil {
- return
- }
- expected = make([]byte, 28)
- base64.StdEncoding.Encode(expected, h.Sum(nil))
- return
-}
-
-// Client handshake described in draft-ietf-hybi-thewebsocket-protocol-17
-func hybiClientHandshake(config *Config, br *bufio.Reader, bw *bufio.Writer) (err error) {
- bw.WriteString("GET " + config.Location.RequestURI() + " HTTP/1.1\r\n")
-
- // According to RFC 6874, an HTTP client, proxy, or other
- // intermediary must remove any IPv6 zone identifier attached
- // to an outgoing URI.
- bw.WriteString("Host: " + removeZone(config.Location.Host) + "\r\n")
- bw.WriteString("Upgrade: websocket\r\n")
- bw.WriteString("Connection: Upgrade\r\n")
- nonce := generateNonce()
- if config.handshakeData != nil {
- nonce = []byte(config.handshakeData["key"])
- }
- bw.WriteString("Sec-WebSocket-Key: " + string(nonce) + "\r\n")
- bw.WriteString("Origin: " + strings.ToLower(config.Origin.String()) + "\r\n")
-
- if config.Version != ProtocolVersionHybi13 {
- return ErrBadProtocolVersion
- }
-
- bw.WriteString("Sec-WebSocket-Version: " + fmt.Sprintf("%d", config.Version) + "\r\n")
- if len(config.Protocol) > 0 {
- bw.WriteString("Sec-WebSocket-Protocol: " + strings.Join(config.Protocol, ", ") + "\r\n")
- }
- // TODO(ukai): send Sec-WebSocket-Extensions.
- err = config.Header.WriteSubset(bw, handshakeHeader)
- if err != nil {
- return err
- }
-
- bw.WriteString("\r\n")
- if err = bw.Flush(); err != nil {
- return err
- }
-
- resp, err := http.ReadResponse(br, &http.Request{Method: "GET"})
- if err != nil {
- return err
- }
- if resp.StatusCode != 101 {
- return ErrBadStatus
- }
- if strings.ToLower(resp.Header.Get("Upgrade")) != "websocket" ||
- strings.ToLower(resp.Header.Get("Connection")) != "upgrade" {
- return ErrBadUpgrade
- }
- expectedAccept, err := getNonceAccept(nonce)
- if err != nil {
- return err
- }
- if resp.Header.Get("Sec-WebSocket-Accept") != string(expectedAccept) {
- return ErrChallengeResponse
- }
- if resp.Header.Get("Sec-WebSocket-Extensions") != "" {
- return ErrUnsupportedExtensions
- }
- offeredProtocol := resp.Header.Get("Sec-WebSocket-Protocol")
- if offeredProtocol != "" {
- protocolMatched := false
- for i := 0; i < len(config.Protocol); i++ {
- if config.Protocol[i] == offeredProtocol {
- protocolMatched = true
- break
- }
- }
- if !protocolMatched {
- return ErrBadWebSocketProtocol
- }
- config.Protocol = []string{offeredProtocol}
- }
-
- return nil
-}
-
-// newHybiClientConn creates a client WebSocket connection after handshake.
-func newHybiClientConn(config *Config, buf *bufio.ReadWriter, rwc io.ReadWriteCloser) *Conn {
- return newHybiConn(config, buf, rwc, nil)
-}
-
-// A HybiServerHandshaker performs a server handshake using hybi draft protocol.
-type hybiServerHandshaker struct {
- *Config
- accept []byte
-}
-
-func (c *hybiServerHandshaker) ReadHandshake(buf *bufio.Reader, req *http.Request) (code int, err error) {
- c.Version = ProtocolVersionHybi13
- if req.Method != "GET" {
- return http.StatusMethodNotAllowed, ErrBadRequestMethod
- }
- // HTTP version can be safely ignored.
-
- if strings.ToLower(req.Header.Get("Upgrade")) != "websocket" ||
- !strings.Contains(strings.ToLower(req.Header.Get("Connection")), "upgrade") {
- return http.StatusBadRequest, ErrNotWebSocket
- }
-
- key := req.Header.Get("Sec-Websocket-Key")
- if key == "" {
- return http.StatusBadRequest, ErrChallengeResponse
- }
- version := req.Header.Get("Sec-Websocket-Version")
- switch version {
- case "13":
- c.Version = ProtocolVersionHybi13
- default:
- return http.StatusBadRequest, ErrBadWebSocketVersion
- }
- var scheme string
- if req.TLS != nil {
- scheme = "wss"
- } else {
- scheme = "ws"
- }
- c.Location, err = url.ParseRequestURI(scheme + "://" + req.Host + req.URL.RequestURI())
- if err != nil {
- return http.StatusBadRequest, err
- }
- protocol := strings.TrimSpace(req.Header.Get("Sec-Websocket-Protocol"))
- if protocol != "" {
- protocols := strings.Split(protocol, ",")
- for i := 0; i < len(protocols); i++ {
- c.Protocol = append(c.Protocol, strings.TrimSpace(protocols[i]))
- }
- }
- c.accept, err = getNonceAccept([]byte(key))
- if err != nil {
- return http.StatusInternalServerError, err
- }
- return http.StatusSwitchingProtocols, nil
-}
-
-// Origin parses the Origin header in req.
-// If the Origin header is not set, it returns nil and nil.
-func Origin(config *Config, req *http.Request) (*url.URL, error) {
- var origin string
- switch config.Version {
- case ProtocolVersionHybi13:
- origin = req.Header.Get("Origin")
- }
- if origin == "" {
- return nil, nil
- }
- return url.ParseRequestURI(origin)
-}
-
-func (c *hybiServerHandshaker) AcceptHandshake(buf *bufio.Writer) (err error) {
- if len(c.Protocol) > 0 {
- if len(c.Protocol) != 1 {
- // You need choose a Protocol in Handshake func in Server.
- return ErrBadWebSocketProtocol
- }
- }
- buf.WriteString("HTTP/1.1 101 Switching Protocols\r\n")
- buf.WriteString("Upgrade: websocket\r\n")
- buf.WriteString("Connection: Upgrade\r\n")
- buf.WriteString("Sec-WebSocket-Accept: " + string(c.accept) + "\r\n")
- if len(c.Protocol) > 0 {
- buf.WriteString("Sec-WebSocket-Protocol: " + c.Protocol[0] + "\r\n")
- }
- // TODO(ukai): send Sec-WebSocket-Extensions.
- if c.Header != nil {
- err := c.Header.WriteSubset(buf, handshakeHeader)
- if err != nil {
- return err
- }
- }
- buf.WriteString("\r\n")
- return buf.Flush()
-}
-
-func (c *hybiServerHandshaker) NewServerConn(buf *bufio.ReadWriter, rwc io.ReadWriteCloser, request *http.Request) *Conn {
- return newHybiServerConn(c.Config, buf, rwc, request)
-}
-
-// newHybiServerConn returns a new WebSocket connection speaking hybi draft protocol.
-func newHybiServerConn(config *Config, buf *bufio.ReadWriter, rwc io.ReadWriteCloser, request *http.Request) *Conn {
- return newHybiConn(config, buf, rwc, request)
-}
diff --git a/vendor/golang.org/x/net/websocket/server.go b/vendor/golang.org/x/net/websocket/server.go
deleted file mode 100644
index 0895dea1905aa32a529ab0487f1aa4895c35c08d..0000000000000000000000000000000000000000
--- a/vendor/golang.org/x/net/websocket/server.go
+++ /dev/null
@@ -1,113 +0,0 @@
-// Copyright 2009 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package websocket
-
-import (
- "bufio"
- "fmt"
- "io"
- "net/http"
-)
-
-func newServerConn(rwc io.ReadWriteCloser, buf *bufio.ReadWriter, req *http.Request, config *Config, handshake func(*Config, *http.Request) error) (conn *Conn, err error) {
- var hs serverHandshaker = &hybiServerHandshaker{Config: config}
- code, err := hs.ReadHandshake(buf.Reader, req)
- if err == ErrBadWebSocketVersion {
- fmt.Fprintf(buf, "HTTP/1.1 %03d %s\r\n", code, http.StatusText(code))
- fmt.Fprintf(buf, "Sec-WebSocket-Version: %s\r\n", SupportedProtocolVersion)
- buf.WriteString("\r\n")
- buf.WriteString(err.Error())
- buf.Flush()
- return
- }
- if err != nil {
- fmt.Fprintf(buf, "HTTP/1.1 %03d %s\r\n", code, http.StatusText(code))
- buf.WriteString("\r\n")
- buf.WriteString(err.Error())
- buf.Flush()
- return
- }
- if handshake != nil {
- err = handshake(config, req)
- if err != nil {
- code = http.StatusForbidden
- fmt.Fprintf(buf, "HTTP/1.1 %03d %s\r\n", code, http.StatusText(code))
- buf.WriteString("\r\n")
- buf.Flush()
- return
- }
- }
- err = hs.AcceptHandshake(buf.Writer)
- if err != nil {
- code = http.StatusBadRequest
- fmt.Fprintf(buf, "HTTP/1.1 %03d %s\r\n", code, http.StatusText(code))
- buf.WriteString("\r\n")
- buf.Flush()
- return
- }
- conn = hs.NewServerConn(buf, rwc, req)
- return
-}
-
-// Server represents a server of a WebSocket.
-type Server struct {
- // Config is a WebSocket configuration for new WebSocket connection.
- Config
-
- // Handshake is an optional function in WebSocket handshake.
- // For example, you can check, or don't check Origin header.
- // Another example, you can select config.Protocol.
- Handshake func(*Config, *http.Request) error
-
- // Handler handles a WebSocket connection.
- Handler
-}
-
-// ServeHTTP implements the http.Handler interface for a WebSocket
-func (s Server) ServeHTTP(w http.ResponseWriter, req *http.Request) {
- s.serveWebSocket(w, req)
-}
-
-func (s Server) serveWebSocket(w http.ResponseWriter, req *http.Request) {
- rwc, buf, err := w.(http.Hijacker).Hijack()
- if err != nil {
- panic("Hijack failed: " + err.Error())
- }
- // The server should abort the WebSocket connection if it finds
- // the client did not send a handshake that matches with protocol
- // specification.
- defer rwc.Close()
- conn, err := newServerConn(rwc, buf, req, &s.Config, s.Handshake)
- if err != nil {
- return
- }
- if conn == nil {
- panic("unexpected nil conn")
- }
- s.Handler(conn)
-}
-
-// Handler is a simple interface to a WebSocket browser client.
-// It checks if Origin header is valid URL by default.
-// You might want to verify websocket.Conn.Config().Origin in the func.
-// If you use Server instead of Handler, you could call websocket.Origin and
-// check the origin in your Handshake func. So, if you want to accept
-// non-browser clients, which do not send an Origin header, set a
-// Server.Handshake that does not check the origin.
-type Handler func(*Conn)
-
-func checkOrigin(config *Config, req *http.Request) (err error) {
- config.Origin, err = Origin(config, req)
- if err == nil && config.Origin == nil {
- return fmt.Errorf("null origin")
- }
- return err
-}
-
-// ServeHTTP implements the http.Handler interface for a WebSocket
-func (h Handler) ServeHTTP(w http.ResponseWriter, req *http.Request) {
- s := Server{Handler: h, Handshake: checkOrigin}
- s.serveWebSocket(w, req)
-}
diff --git a/vendor/golang.org/x/net/websocket/websocket.go b/vendor/golang.org/x/net/websocket/websocket.go
deleted file mode 100644
index 1f4f7be40086d4eded6f3f26b88c8a50a1843cb7..0000000000000000000000000000000000000000
--- a/vendor/golang.org/x/net/websocket/websocket.go
+++ /dev/null
@@ -1,451 +0,0 @@
-// Copyright 2009 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Package websocket implements a client and server for the WebSocket protocol
-// as specified in RFC 6455.
-//
-// This package currently lacks some features found in an alternative
-// and more actively maintained WebSocket package:
-//
-// https://godoc.org/github.com/gorilla/websocket
-//
-package websocket // import "golang.org/x/net/websocket"
-
-import (
- "bufio"
- "crypto/tls"
- "encoding/json"
- "errors"
- "io"
- "io/ioutil"
- "net"
- "net/http"
- "net/url"
- "sync"
- "time"
-)
-
-const (
- ProtocolVersionHybi13 = 13
- ProtocolVersionHybi = ProtocolVersionHybi13
- SupportedProtocolVersion = "13"
-
- ContinuationFrame = 0
- TextFrame = 1
- BinaryFrame = 2
- CloseFrame = 8
- PingFrame = 9
- PongFrame = 10
- UnknownFrame = 255
-
- DefaultMaxPayloadBytes = 32 << 20 // 32MB
-)
-
-// ProtocolError represents WebSocket protocol errors.
-type ProtocolError struct {
- ErrorString string
-}
-
-func (err *ProtocolError) Error() string { return err.ErrorString }
-
-var (
- ErrBadProtocolVersion = &ProtocolError{"bad protocol version"}
- ErrBadScheme = &ProtocolError{"bad scheme"}
- ErrBadStatus = &ProtocolError{"bad status"}
- ErrBadUpgrade = &ProtocolError{"missing or bad upgrade"}
- ErrBadWebSocketOrigin = &ProtocolError{"missing or bad WebSocket-Origin"}
- ErrBadWebSocketLocation = &ProtocolError{"missing or bad WebSocket-Location"}
- ErrBadWebSocketProtocol = &ProtocolError{"missing or bad WebSocket-Protocol"}
- ErrBadWebSocketVersion = &ProtocolError{"missing or bad WebSocket Version"}
- ErrChallengeResponse = &ProtocolError{"mismatch challenge/response"}
- ErrBadFrame = &ProtocolError{"bad frame"}
- ErrBadFrameBoundary = &ProtocolError{"not on frame boundary"}
- ErrNotWebSocket = &ProtocolError{"not websocket protocol"}
- ErrBadRequestMethod = &ProtocolError{"bad method"}
- ErrNotSupported = &ProtocolError{"not supported"}
-)
-
-// ErrFrameTooLarge is returned by Codec's Receive method if payload size
-// exceeds limit set by Conn.MaxPayloadBytes
-var ErrFrameTooLarge = errors.New("websocket: frame payload size exceeds limit")
-
-// Addr is an implementation of net.Addr for WebSocket.
-type Addr struct {
- *url.URL
-}
-
-// Network returns the network type for a WebSocket, "websocket".
-func (addr *Addr) Network() string { return "websocket" }
-
-// Config is a WebSocket configuration
-type Config struct {
- // A WebSocket server address.
- Location *url.URL
-
- // A Websocket client origin.
- Origin *url.URL
-
- // WebSocket subprotocols.
- Protocol []string
-
- // WebSocket protocol version.
- Version int
-
- // TLS config for secure WebSocket (wss).
- TlsConfig *tls.Config
-
- // Additional header fields to be sent in WebSocket opening handshake.
- Header http.Header
-
- // Dialer used when opening websocket connections.
- Dialer *net.Dialer
-
- handshakeData map[string]string
-}
-
-// serverHandshaker is an interface to handle WebSocket server side handshake.
-type serverHandshaker interface {
- // ReadHandshake reads handshake request message from client.
- // Returns http response code and error if any.
- ReadHandshake(buf *bufio.Reader, req *http.Request) (code int, err error)
-
- // AcceptHandshake accepts the client handshake request and sends
- // handshake response back to client.
- AcceptHandshake(buf *bufio.Writer) (err error)
-
- // NewServerConn creates a new WebSocket connection.
- NewServerConn(buf *bufio.ReadWriter, rwc io.ReadWriteCloser, request *http.Request) (conn *Conn)
-}
-
-// frameReader is an interface to read a WebSocket frame.
-type frameReader interface {
- // Reader is to read payload of the frame.
- io.Reader
-
- // PayloadType returns payload type.
- PayloadType() byte
-
- // HeaderReader returns a reader to read header of the frame.
- HeaderReader() io.Reader
-
- // TrailerReader returns a reader to read trailer of the frame.
- // If it returns nil, there is no trailer in the frame.
- TrailerReader() io.Reader
-
- // Len returns total length of the frame, including header and trailer.
- Len() int
-}
-
-// frameReaderFactory is an interface to creates new frame reader.
-type frameReaderFactory interface {
- NewFrameReader() (r frameReader, err error)
-}
-
-// frameWriter is an interface to write a WebSocket frame.
-type frameWriter interface {
- // Writer is to write payload of the frame.
- io.WriteCloser
-}
-
-// frameWriterFactory is an interface to create new frame writer.
-type frameWriterFactory interface {
- NewFrameWriter(payloadType byte) (w frameWriter, err error)
-}
-
-type frameHandler interface {
- HandleFrame(frame frameReader) (r frameReader, err error)
- WriteClose(status int) (err error)
-}
-
-// Conn represents a WebSocket connection.
-//
-// Multiple goroutines may invoke methods on a Conn simultaneously.
-type Conn struct {
- config *Config
- request *http.Request
-
- buf *bufio.ReadWriter
- rwc io.ReadWriteCloser
-
- rio sync.Mutex
- frameReaderFactory
- frameReader
-
- wio sync.Mutex
- frameWriterFactory
-
- frameHandler
- PayloadType byte
- defaultCloseStatus int
-
- // MaxPayloadBytes limits the size of frame payload received over Conn
- // by Codec's Receive method. If zero, DefaultMaxPayloadBytes is used.
- MaxPayloadBytes int
-}
-
-// Read implements the io.Reader interface:
-// it reads data of a frame from the WebSocket connection.
-// if msg is not large enough for the frame data, it fills the msg and next Read
-// will read the rest of the frame data.
-// it reads Text frame or Binary frame.
-func (ws *Conn) Read(msg []byte) (n int, err error) {
- ws.rio.Lock()
- defer ws.rio.Unlock()
-again:
- if ws.frameReader == nil {
- frame, err := ws.frameReaderFactory.NewFrameReader()
- if err != nil {
- return 0, err
- }
- ws.frameReader, err = ws.frameHandler.HandleFrame(frame)
- if err != nil {
- return 0, err
- }
- if ws.frameReader == nil {
- goto again
- }
- }
- n, err = ws.frameReader.Read(msg)
- if err == io.EOF {
- if trailer := ws.frameReader.TrailerReader(); trailer != nil {
- io.Copy(ioutil.Discard, trailer)
- }
- ws.frameReader = nil
- goto again
- }
- return n, err
-}
-
-// Write implements the io.Writer interface:
-// it writes data as a frame to the WebSocket connection.
-func (ws *Conn) Write(msg []byte) (n int, err error) {
- ws.wio.Lock()
- defer ws.wio.Unlock()
- w, err := ws.frameWriterFactory.NewFrameWriter(ws.PayloadType)
- if err != nil {
- return 0, err
- }
- n, err = w.Write(msg)
- w.Close()
- return n, err
-}
-
-// Close implements the io.Closer interface.
-func (ws *Conn) Close() error {
- err := ws.frameHandler.WriteClose(ws.defaultCloseStatus)
- err1 := ws.rwc.Close()
- if err != nil {
- return err
- }
- return err1
-}
-
-// IsClientConn reports whether ws is a client-side connection.
-func (ws *Conn) IsClientConn() bool { return ws.request == nil }
-
-// IsServerConn reports whether ws is a server-side connection.
-func (ws *Conn) IsServerConn() bool { return ws.request != nil }
-
-// LocalAddr returns the WebSocket Origin for the connection for client, or
-// the WebSocket location for server.
-func (ws *Conn) LocalAddr() net.Addr {
- if ws.IsClientConn() {
- return &Addr{ws.config.Origin}
- }
- return &Addr{ws.config.Location}
-}
-
-// RemoteAddr returns the WebSocket location for the connection for client, or
-// the Websocket Origin for server.
-func (ws *Conn) RemoteAddr() net.Addr {
- if ws.IsClientConn() {
- return &Addr{ws.config.Location}
- }
- return &Addr{ws.config.Origin}
-}
-
-var errSetDeadline = errors.New("websocket: cannot set deadline: not using a net.Conn")
-
-// SetDeadline sets the connection's network read & write deadlines.
-func (ws *Conn) SetDeadline(t time.Time) error {
- if conn, ok := ws.rwc.(net.Conn); ok {
- return conn.SetDeadline(t)
- }
- return errSetDeadline
-}
-
-// SetReadDeadline sets the connection's network read deadline.
-func (ws *Conn) SetReadDeadline(t time.Time) error {
- if conn, ok := ws.rwc.(net.Conn); ok {
- return conn.SetReadDeadline(t)
- }
- return errSetDeadline
-}
-
-// SetWriteDeadline sets the connection's network write deadline.
-func (ws *Conn) SetWriteDeadline(t time.Time) error {
- if conn, ok := ws.rwc.(net.Conn); ok {
- return conn.SetWriteDeadline(t)
- }
- return errSetDeadline
-}
-
-// Config returns the WebSocket config.
-func (ws *Conn) Config() *Config { return ws.config }
-
-// Request returns the http request upgraded to the WebSocket.
-// It is nil for client side.
-func (ws *Conn) Request() *http.Request { return ws.request }
-
-// Codec represents a symmetric pair of functions that implement a codec.
-type Codec struct {
- Marshal func(v interface{}) (data []byte, payloadType byte, err error)
- Unmarshal func(data []byte, payloadType byte, v interface{}) (err error)
-}
-
-// Send sends v marshaled by cd.Marshal as single frame to ws.
-func (cd Codec) Send(ws *Conn, v interface{}) (err error) {
- data, payloadType, err := cd.Marshal(v)
- if err != nil {
- return err
- }
- ws.wio.Lock()
- defer ws.wio.Unlock()
- w, err := ws.frameWriterFactory.NewFrameWriter(payloadType)
- if err != nil {
- return err
- }
- _, err = w.Write(data)
- w.Close()
- return err
-}
-
-// Receive receives single frame from ws, unmarshaled by cd.Unmarshal and stores
-// in v. The whole frame payload is read to an in-memory buffer; max size of
-// payload is defined by ws.MaxPayloadBytes. If frame payload size exceeds
-// limit, ErrFrameTooLarge is returned; in this case frame is not read off wire
-// completely. The next call to Receive would read and discard leftover data of
-// previous oversized frame before processing next frame.
-func (cd Codec) Receive(ws *Conn, v interface{}) (err error) {
- ws.rio.Lock()
- defer ws.rio.Unlock()
- if ws.frameReader != nil {
- _, err = io.Copy(ioutil.Discard, ws.frameReader)
- if err != nil {
- return err
- }
- ws.frameReader = nil
- }
-again:
- frame, err := ws.frameReaderFactory.NewFrameReader()
- if err != nil {
- return err
- }
- frame, err = ws.frameHandler.HandleFrame(frame)
- if err != nil {
- return err
- }
- if frame == nil {
- goto again
- }
- maxPayloadBytes := ws.MaxPayloadBytes
- if maxPayloadBytes == 0 {
- maxPayloadBytes = DefaultMaxPayloadBytes
- }
- if hf, ok := frame.(*hybiFrameReader); ok && hf.header.Length > int64(maxPayloadBytes) {
- // payload size exceeds limit, no need to call Unmarshal
- //
- // set frameReader to current oversized frame so that
- // the next call to this function can drain leftover
- // data before processing the next frame
- ws.frameReader = frame
- return ErrFrameTooLarge
- }
- payloadType := frame.PayloadType()
- data, err := ioutil.ReadAll(frame)
- if err != nil {
- return err
- }
- return cd.Unmarshal(data, payloadType, v)
-}
-
-func marshal(v interface{}) (msg []byte, payloadType byte, err error) {
- switch data := v.(type) {
- case string:
- return []byte(data), TextFrame, nil
- case []byte:
- return data, BinaryFrame, nil
- }
- return nil, UnknownFrame, ErrNotSupported
-}
-
-func unmarshal(msg []byte, payloadType byte, v interface{}) (err error) {
- switch data := v.(type) {
- case *string:
- *data = string(msg)
- return nil
- case *[]byte:
- *data = msg
- return nil
- }
- return ErrNotSupported
-}
-
-/*
-Message is a codec to send/receive text/binary data in a frame on WebSocket connection.
-To send/receive text frame, use string type.
-To send/receive binary frame, use []byte type.
-
-Trivial usage:
-
- import "websocket"
-
- // receive text frame
- var message string
- websocket.Message.Receive(ws, &message)
-
- // send text frame
- message = "hello"
- websocket.Message.Send(ws, message)
-
- // receive binary frame
- var data []byte
- websocket.Message.Receive(ws, &data)
-
- // send binary frame
- data = []byte{0, 1, 2}
- websocket.Message.Send(ws, data)
-
-*/
-var Message = Codec{marshal, unmarshal}
-
-func jsonMarshal(v interface{}) (msg []byte, payloadType byte, err error) {
- msg, err = json.Marshal(v)
- return msg, TextFrame, err
-}
-
-func jsonUnmarshal(msg []byte, payloadType byte, v interface{}) (err error) {
- return json.Unmarshal(msg, v)
-}
-
-/*
-JSON is a codec to send/receive JSON data in a frame from a WebSocket connection.
-
-Trivial usage:
-
- import "websocket"
-
- type T struct {
- Msg string
- Count int
- }
-
- // receive JSON type T
- var data T
- websocket.JSON.Receive(ws, &data)
-
- // send JSON type T
- websocket.JSON.Send(ws, data)
-*/
-var JSON = Codec{jsonMarshal, jsonUnmarshal}
diff --git a/vendor/vendor.json b/vendor/vendor.json
index 4acd5a7ff029e132329ccaca29bf5b8a4f9bcefd..f309e0da296b9e5d622eb42cee7a0735fba96777 100644
--- a/vendor/vendor.json
+++ b/vendor/vendor.json
@@ -670,12 +670,6 @@
"revision": "da137c7871d730100384dbcf36e6f8fa493aef5b",
"revisionTime": "2019-06-28T18:40:41Z"
},
- {
- "checksumSHA1": "F+tqxPGFt5x7DKZakbbMmENX1oQ=",
- "path": "golang.org/x/net/websocket",
- "revision": "da137c7871d730100384dbcf36e6f8fa493aef5b",
- "revisionTime": "2019-06-28T18:40:41Z"
- },
{
"checksumSHA1": "4TEYFKrAUuwBMqExjQBsnf/CgjQ=",
"path": "golang.org/x/sync/syncmap",