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rpc, p2p/simulations: use github.com/gorilla/websocket (#20289)

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* rpc: improve codec abstraction

rpc.ServerCodec is an opaque interface. There was only one way to get a
codec using existing APIs: rpc.NewJSONCodec. This change exports
newCodec (as NewFuncCodec) and NewJSONCodec (as NewCodec). It also makes
all codec methods non-public to avoid showing internals in godoc.

While here, remove codec options in tests because they are not
supported anymore.

* p2p/simulations: use github.com/gorilla/websocket

This package was the last remaining user of golang.org/x/net/websocket.
Migrating to the new library wasn't straightforward because it is no
longer possible to treat WebSocket connections as a net.Conn.

* vendor: delete golang.org/x/net/websocket

* rpc: fix godoc comments and run gofmt
This commit is contained in:
Felix Lange
2019-11-18 09:40:59 +01:00
committed by Péter Szilágyi
parent 9e71f55bfa
commit 7c4a4eb58a
23 changed files with 119 additions and 1389 deletions
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10
rpc/handler.go
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@ -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()