examples/chat/client/main.go

@@ -1,11 +1,9 @@
 package main
 
 import "os"
-import "io"
 import "fmt"
 import "time"
 import "bufio"
-import "errors"
 import "context"
 import "crypto/tls"
 import "git.tebibyte.media/sashakoshka/hopp"
@@ -24,7 +22,6 @@ func main() {
 	}
 	trans, err := join(address, room, nickname)
 	handleErr(1, err)
-	fmt.Fprintf(os.Stdout, "(i) connected to %s/%s\n", address, room)
 	go func() {
 		reader := bufio.NewReader(os.Stdin)
 		for {
@@ -35,12 +32,7 @@ func main() {
 	}()
 	for {
 		message, _, err := chat.Receive(trans)
-		if err != nil {
-			if !errors.Is(err, io.EOF) {
-				handleErr(1, err)
-			}
-			break
-		}
+		handleErr(1, err)
 		switch message := message.(type) {
 		case *chat.MessageChat:
 			fmt.Fprintf(os.Stdout, "%s: %s\n", message.Nickname, message.Content)
@@ -50,7 +42,6 @@ func main() {
 			fmt.Fprintf(os.Stdout, "(i) %s left the room\n", message.Nickname)
 		}
 	}
-	fmt.Fprintf(os.Stdout, "(i) disconnected\n")
 }
 
 func join(address string, room string, nickname string) (hopp.Trans, error) {

examples/chat/server/main.go

@@ -1,7 +1,6 @@
 package main
 
 import "os"
-import "io"
 import "fmt"
 import "log"
 import "errors"
@@ -49,7 +48,7 @@ func host(address string, certPath, keyPath string) error {
 
 type client struct {
 	conn     hopp.Conn
-	nickname string
+	nickname hopp.Option[string]
 	rooms    usync.RWMonitor[map[string] hopp.Trans]
 }
 
@@ -59,13 +58,13 @@ func (this *client) run() {
 	defer this.conn.Close()
 
 	for {
+		log.Println("accepting transaction")
 		trans, err := this.conn.AcceptTrans()
 		if err != nil {
-			if !errors.Is(err, io.EOF) {
-				log.Printf("XXX %v failed: %v", this.conn.RemoteAddr(), err)
-			}
+			log.Printf("XXX %v failed: %v", this.conn.RemoteAddr(), err)
 			return
 		}
+		log.Println("accepted transaction")
 		go this.runTrans(trans)
 	}
 }
@@ -112,7 +111,7 @@ func (this *client) transTalk(trans hopp.Trans, initial *chat.MessageJoin) error
 }
 
 func (this *client) handleMessageChat(trans hopp.Trans, room string, message *chat.MessageChat) error {
-	log.Printf("(). %s #%s: %s", this.nickname, room, message.Content)
+	log.Println("(). %s #%s: %s", this.nickname, room, message.Content)
 	clients, done := clients.RBorrow()
 	defer done()
 	for client := range clients {

generate/generate.go

@@ -1237,9 +1237,7 @@ func (this *Generator) generateReceive() (n int, err error) {
 		}
 		nn, err = this.iprint("}\n")
 		n += nn; if err != nil { return n, err }
-		// fuck off go vet
-		str := `return nil, n, fmt.Errorf("%w: M%04X", hopp.ErrUnknownMethod, method)`
-		nn, err = this.iprintln(str)
+		nn, err = this.iprint("return nil, n, fmt.Errorf(\"%w: M%04X\", hopp.ErrUnknownMethod, method)\n")
 		n += nn; if err != nil { return n, err }
 	this.pop()
 	nn, err = this.iprint("}\n")

metadapta.go

@@ -6,7 +6,6 @@ import "fmt"
 import "net"
 import "sync"
 import "time"
-import "context"
 import "sync/atomic"
 import "git.tebibyte.media/sashakoshka/go-util/sync"
 
@@ -40,23 +39,20 @@ type a struct {
 	sendLock     sync.Mutex
 	transMap     map[int64] *transA
 	transChan    chan *transA
-	ctx          context.Context
-	done         func()
+	done         chan struct { }
 	err          error
 }
 
 // AdaptA returns a connection implementing METADAPT-A over a singular stream-
 // oriented transport such as TCP or UNIX domain stream sockets.
 func AdaptA(underlying net.Conn, party Party) Conn {
-	ctx, done := context.WithCancel(context.Background())
 	conn := &a {
 		sizeLimit:  defaultSizeLimit,
 		underlying: underlying,
 		party:      party,
 		transMap:   make(map[int64] *transA),
 		transChan:  make(chan *transA),
-		ctx:        ctx,
-		done:       done,
+		done:       make(chan struct { }),
 	}
 	if party == ClientSide {
 		conn.transID =  1
@@ -64,15 +60,11 @@ func AdaptA(underlying net.Conn, party Party) Conn {
 		conn.transID = -1
 	}
 	go conn.receive()
-	go func() {
-		<- ctx.Done()
-		underlying.Close()
-	}()
 	return conn
 }
 
 func (this *a) Close() error {
-	this.done()
+	close(this.done)
 	return nil
 }
 
@@ -113,7 +105,7 @@ func (this *a) AcceptTrans() (Trans, error) {
 			return nil, eof
 		}
 		return trans, nil
-	case <- this.ctx.Done():
+	case <- this.done:
 		return nil, eof
 	}
 }
@@ -498,7 +490,6 @@ func decodeMessageA(
 	headerBuffer := [18]byte { }
 	_, err = io.ReadFull(reader, headerBuffer[:])
 	if err != nil { return 0, 0, false, nil, err }
-	
 	transID, err = decodeI64[int64](headerBuffer[:8])
 	if err != nil { return 0, 0, false, nil, err }
 	method, err = decodeI16[uint16](headerBuffer[8:10])

metadapta_test.go

@@ -52,7 +52,6 @@ func TestConnA(test *testing.T) {
 			test.Error("CLIENT payload:", gotPayload)
 			test.Fatal("CLIENT ok byeeeeeeeeeeeee")
 		}
-		test.Log("CLIENT transaction has closed")
 	}
 	
 	serverFunc := func(a Conn) {
@@ -71,6 +70,20 @@ func TestConnA(test *testing.T) {
 }
 
 func TestTransOpenCloseA(test *testing.T) {
+	// currently:
+	//
+	//    | data sent | data recvd | close sent | close recvd
+	// 10 |     X     |     X      |      X     | server hangs
+	// 20 |     X     |     X      |      X     | client hangs
+	// 30 |     X     |            |      X     |
+	//
+	// when a close message is recvd, it tries to push to the trans and
+	// hangs on trans.incoming.Send, which hangs on sending the value to the
+	// underlying channel. why is this?
+	//
+	// check if we are really getting values from the channel when pulling
+	// from the trans channel when we are expecting a close.
+	
 	clientFunc := func(conn Conn) {
 		// 10
 		trans, err := conn.OpenTrans()