Port Mill client over to Java

This helps us avoid accidentally depending on the Scala library, whose classloading takes tens to hundreds of milliseconds.

This removes the last parts of the Scala library used in the client (e.g. lambdas) and reduces `mill show core.compile` from ~380ms to ~290ms

1 files changed, 5 insertions, 5 deletions

diff --git a/clientserver/test/src/mill/clientserver/ClientServerTests.scala b/clientserver/test/src/mill/clientserver/ClientServerTests.scala
index ed9a49d9..2c9a57b0 100644
--- a/clientserver/test/src/mill/clientserver/ClientServerTests.scala
+++ b/clientserver/test/src/mill/clientserver/ClientServerTests.scala
@@ -30,7 +30,7 @@ object ClientServerTests extends TestSuite{
   }
   def init() = {
     val tmpDir = java.nio.file.Files.createTempDirectory("")
-    val locks = new MemoryLocks()
+    val locks = Locks.memory()
 
     (tmpDir, locks)
   }
@@ -52,16 +52,16 @@ object ClientServerTests extends TestSuite{
 
       def runClient(arg: String) = {
         val (in, out, err) = initStreams()
-        locks.clientLock.lockBlock{
-          val c = new Client(
+        Server.lockBlock(locks.clientLock){
+          Client.run(
             tmpDir.toString,
             () => spawnEchoServer(),
             locks,
             in,
             out,
-            err
+            err,
+            Array(arg)
           )
-          c.run(Array(arg))
           Thread.sleep(100)
           (new String(out.toByteArray), new String(err.toByteArray))
         }