fixed automatic connection reestablishing for web and tcp

src/jvmMain/kotlin/net/sergeych/kiloparsec/adapter/WebsocketServer.kt

@@ -7,7 +7,6 @@ import io.ktor.websocket.*
 import kotlinx.coroutines.cancel
 import kotlinx.coroutines.channels.Channel
 import kotlinx.coroutines.channels.ClosedReceiveChannelException
-import kotlinx.coroutines.channels.ClosedSendChannelException
 import kotlinx.coroutines.isActive
 import kotlinx.coroutines.launch
 import net.sergeych.crypto2.SigningKey
@@ -36,7 +35,6 @@ fun <S> Application.setupWebsocketServer(
     val counter = AtomicCounter()
     routing {
         webSocket(path) {
-            println("--------------------------------------------")
             val log = LogTag("KWS:${counter.incrementAndGet()}")
             log.debug { "opening the connection" }
             val input = Channel<UByteArray>(256)
@@ -44,7 +42,13 @@ fun <S> Application.setupWebsocketServer(
             launch {
                 log.debug { "starting output pump" }
                 while (isActive) {
-                    send(output.receive().toByteArray())
+                    try {
+                        send(output.receive().toByteArray())
+                    }
+                    catch(_: ClosedReceiveChannelException) {
+                        log.debug { "closing output pump as output channel is closed" }
+                        break
+                    }
                 }
                 log.debug { "closing output pump" }
             }
@@ -54,7 +58,10 @@ fun <S> Application.setupWebsocketServer(
                 createSession(),
                 serverKey
             )
-            launch { server.run() }
+            launch {
+                server.run()
+                close()
+            }
             log.debug { "KSC started, looking for incoming frames" }
             for (f in incoming) {
                 log.debug { "incoming frame: ${f.frameType}" }
@@ -64,7 +71,7 @@ fun <S> Application.setupWebsocketServer(
                             log.debug { "in frame\n${it.toDump()}" }
                         })
                     } catch (_: RemoteInterface.ClosedException) {
-                        log.info { "caught local closed exception, closing" }
+                        log.warning { "caught local closed exception (strange!), closing" }
                         break
                     } catch (_: ClosedReceiveChannelException) {
                         log.info { "receive channel is closed, closing connection" }
@@ -77,9 +84,9 @@ fun <S> Application.setupWebsocketServer(
                     log.warning { "unknown frame type ${f.frameType}, ignoring" }
             }
             log.debug { "closing the server" }
-            println("****************prec")
+            close()
             cancel()
-            println("****************postc")
+            log.debug { "server wbesock processing done" }
         }
     }
 }