splitting up TLS APIs

akka-stream/src/main/scala/akka/stream/impl/io/TlsModule.scala

@@ -0,0 +1,45 @@
+package akka.stream.impl.io
+
+import javax.net.ssl.SSLContext
+
+import akka.stream._
+import akka.stream.impl.StreamLayout.{ CompositeModule, Module }
+import akka.stream.TLSProtocol._
+import akka.util.ByteString
+
+/**
+ * INTERNAL API.
+ */
+private[akka] final case class TlsModule(plainIn: Inlet[SslTlsOutbound], plainOut: Outlet[SslTlsInbound],
+                                         cipherIn: Inlet[ByteString], cipherOut: Outlet[ByteString],
+                                         shape: Shape, attributes: Attributes,
+                                         sslContext: SSLContext,
+                                         firstSession: NegotiateNewSession,
+                                         role: TLSRole, closing: TLSClosing, hostInfo: Option[(String, Int)]) extends Module {
+  override def subModules: Set[Module] = Set.empty
+
+  override def withAttributes(att: Attributes): Module = copy(attributes = att)
+  override def carbonCopy: Module =
+    TlsModule(attributes, sslContext, firstSession, role, closing, hostInfo)
+
+  override def replaceShape(s: Shape) =
+    if (s != shape) {
+      shape.requireSamePortsAs(s)
+      CompositeModule(this, s)
+    } else this
+}
+
+/**
+ * INTERNAL API.
+ */
+private[akka] object TlsModule {
+  def apply(attributes: Attributes, sslContext: SSLContext, firstSession: NegotiateNewSession, role: TLSRole, closing: TLSClosing, hostInfo: Option[(String, Int)]): TlsModule = {
+    val name = attributes.nameOrDefault(s"StreamTls($role)")
+    val cipherIn = Inlet[ByteString](s"$name.cipherIn")
+    val cipherOut = Outlet[ByteString](s"$name.cipherOut")
+    val plainIn = Inlet[SslTlsOutbound](s"$name.transportIn")
+    val plainOut = Outlet[SslTlsInbound](s"$name.transportOut")
+    val shape = new BidiShape(plainIn, cipherOut, cipherIn, plainOut)
+    TlsModule(plainIn, plainOut, cipherIn, cipherOut, shape, attributes, sslContext, firstSession, role, closing, hostInfo)
+  }
+}