| // Copyright 2015 The Vanadium 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 vc |
| |
| import ( |
| "bytes" |
| "crypto/rand" |
| "io" |
| "net" |
| "os" |
| "testing" |
| |
| "v.io/v23/context" |
| "v.io/v23/vtrace" |
| "v.io/x/ref/lib/flags" |
| "v.io/x/ref/runtime/internal/lib/upcqueue" |
| "v.io/x/ref/runtime/internal/naming" |
| "v.io/x/ref/runtime/internal/rpc/stream" |
| "v.io/x/ref/runtime/internal/rpc/version" |
| ivtrace "v.io/x/ref/runtime/internal/vtrace" |
| "v.io/x/ref/test/testutil" |
| ) |
| |
| var ( |
| provider = testutil.NewIDProvider("root") |
| pClient = testutil.NewPrincipal() |
| pServer = testutil.NewPrincipal() |
| ) |
| |
| func init() { |
| provider.Bless(pClient, "client") |
| provider.Bless(pServer, "server") |
| } |
| |
| func Init() (*context.T, context.CancelFunc) { |
| ctx, cancel := context.RootContext() |
| ctx, err := ivtrace.Init(ctx, flags.VtraceFlags{ |
| CollectRegexp: ".*", |
| DumpOnShutdown: true, |
| CacheSize: 100, |
| }) |
| if err != nil { |
| panic(err) |
| } |
| return ctx, func() { |
| vtrace.FormatTraces(os.Stderr, vtrace.GetStore(ctx).TraceRecords(), nil) |
| cancel() |
| } |
| } |
| |
| type xConn struct { |
| net.Conn |
| } |
| |
| func (xConn) DisableEncryption() {} |
| |
| func pipe() (xConn, xConn) { |
| a, b := net.Pipe() |
| return xConn{a}, xConn{b} |
| } |
| |
| func createVCs(clientCtx, serverCtx *context.T, q *upcqueue.T) (client, server stream.XVC) { |
| xc1, xc2 := pipe() |
| clientEP := &naming.Endpoint{Address: "client"} |
| serverEP := &naming.Endpoint{Address: "server"} |
| vrange := version.Range{Min: 10, Max: 10} |
| blessings := pServer.BlessingStore().Default() |
| schan := make(chan stream.XVC, 1) |
| go func() { |
| server, err := XNewAccepted(serverCtx, xc2, pServer, serverEP, blessings, vrange, q) |
| if err != nil { |
| panic(err) |
| } |
| schan <- server |
| }() |
| client, err := XNewDialed(clientCtx, xc1, pClient, clientEP, serverEP, vrange) |
| if err != nil { |
| panic(err) |
| } |
| return client, <-schan |
| } |
| |
| func TestXVC(t *testing.T) { |
| ctx, cancel := Init() |
| defer cancel() |
| |
| clientCtx, clientspan := vtrace.WithNewTrace(ctx) |
| defer clientspan.Finish() |
| serverCtx, serverspan := vtrace.WithNewTrace(ctx) |
| defer serverspan.Finish() |
| |
| q := upcqueue.New() |
| |
| client, server := createVCs(clientCtx, serverCtx, q) |
| |
| ch := make(chan []byte) |
| go func() { |
| _, span := vtrace.WithNewSpan(serverCtx, "server read") |
| defer span.Finish() |
| item, err := q.Get(nil) |
| if err != nil { |
| panic(err) |
| } |
| sflow := item.(stream.XFlow) |
| recvbuf := make([]byte, 4<<20) |
| n, err := io.ReadFull(sflow, recvbuf) |
| if err != nil { |
| panic(err) |
| } |
| if n != 4<<20 { |
| t.Errorf("Expected %d bytes got %d", 4<<20, n) |
| } |
| ch <- recvbuf |
| }() |
| |
| _, span := vtrace.WithNewSpan(clientCtx, "client write") |
| cflow, err := client.Connect() |
| if err != nil { |
| panic(err) |
| } |
| sendbuf := make([]byte, 4<<20) |
| _, err = io.ReadFull(rand.Reader, sendbuf) |
| if err != nil { |
| panic(err) |
| } |
| _, err = cflow.Write(sendbuf) |
| if err != nil { |
| panic(err) |
| } |
| cflow.Close() |
| span.Finish() |
| |
| if bytes.Compare(sendbuf, <-ch) != 0 { |
| t.Errorf("Didn't get the sent data.") |
| } |
| |
| // Close the client and wait for the server to close. |
| client.Close(nil) |
| <-server.Closed() |
| } |