feature: succesfully allocated memory on the off heap (about 1gb) assigned some value to the first 4 memory adress spaces

https://docs.oracle.com/en/java/javase/17/docs/api/jdk.incubator.foreign/jdk/incubator/foreign/MemorySegment.html
https://docs.oracle.com/en/java/javase/22/docs/api/java.base/java/lang/foreign/Arena.html

-> live savers

3 files changed, 53 insertions, 39 deletions

diff --git a/src/main/scala/main/Main.scala b/src/main/scala/main/Main.scala
index 1406fc0..6baa0ce 100644
--- a/src/main/scala/main/Main.scala
+++ b/src/main/scala/main/Main.scala
@@ -4,14 +4,24 @@ import main.domain._
 import main.services._
 import main.infrastructure._
 import oshi._
-import zio._
+// import zio._
+import java.lang.foreign._
 
 
-object Torque extends ZIOAppDefault {
+object Torque /* extends ZIOAppDefault */ {
 
-  def run: ZIO[ZIOAppArgs & Scope, Any, Any] = {
-    Console.printLine("=== TORQUE STRESS TEST ===") 
-    
-  }
+  def main(args: Array[String]): Unit = MemoryAllocater.run() 
 
+  // override def run: ZIO[ZIOAppArgs & Scope, Any, Any] = memoryExecution 
+  //
+  // def memoryExecution: ZIO[Any, Throwable, Unit] = {
+  //
+  //
+  //   for {
+  //     _ <- ZIO.debug("started") 
+  //     f1 = MemoryAllocater.run() 
+  //     _ <- ZIO.debug("finished")
+  //
+  //   } yield () 
+  // }
 }
diff --git a/src/main/scala/main/domain/MemoryOperations.scala b/src/main/scala/main/domain/MemoryOperations.scala
index 3e45470..b58968f 100644
--- a/src/main/scala/main/domain/MemoryOperations.scala
+++ b/src/main/scala/main/domain/MemoryOperations.scala
@@ -1,7 +1,6 @@
 package main.domain
 
 import main.services._
-
 import scala.util.hashing
 import scala.util.hashing.MurmurHash3 
 import scala.collection.immutable.ListSet
@@ -11,44 +10,46 @@ import java.lang.foreign.MemorySegment
 import java.lang.foreign.ValueLayout
 import scala.util.Using
 
-object Memory {
-
-
-  /**
-   * Large memory object to allocate on the heap 
-   * This is an implementation by me 
-   * A method to do this bassically an Array with large bytes allocated to it
-   * */
-
-  class MemoryObject {
-
-    // TODO: create a large sized object
-
-  }
 
-  /*
-   * Using java.nio.ByteBuffer
-   * Allocate memory then free memory
-   * for stressing the memory we want to do some heavy heap allocations back and forth
-   * --------- 
-   *  not anymore
-   *  switched to java.lang.foreign
-   *
-   * https://docs.oracle.com/en/java/javase/22/docs/api/java.base/java/lang/foreign/package-summary.html
-   * */
 
-  class MemoryAllocater(arena: Arena)  {
+/**
+ * Large memory object to allocate on the heap 
+ * This is an implementation by me 
+ * A method to do this bassically an Array with large bytes allocated to it
+ * */
 
+// class MemoryObject {
+//
+//   // TODO: create a large sized object
+//
+// }
 
-    def run(): Unit = moveToMemory()
+/*
+ * Using java.nio.ByteBuffer
+ * Allocate memory then free memory
+ * for stressing the memory we want to do some heavy heap allocations back and forth
+ * --------- 
+ *  not anymore
+ *  switched to java.lang.foreign
+ *
+ * https://docs.oracle.com/en/java/javase/22/docs/api/java.base/java/lang/foreign/package-summary.html
+ * */
 
-    def moveToMemory(): Unit = {
+object MemoryAllocater  {
 
-      val memseg = arena.allocate(10 * 4)
-      // not memseg.setAtIndex like in the docs :(
-      for i <- 0 to 10 do memseg.set(ValueLayout.JAVA_INT, i, i)
+   def run(): Unit = {
 
-    } 
+    val arena: Arena = Arena.ofConfined()  
 
-  } 
+    // I think this should be around one 1Gb of data
+    val memorySegment = arena.allocate((10 * 1024 * 1024) * 100)
+    // not memseg.setAtIndex like in the docs :(
+    /**
+     * adding an offset so that the next piece of memory wont be overlapping with the one we just assigned
+     * */
+    val offset: Int = 4
+    for i <- 0 until 10 do memorySegment.set(ValueLayout.JAVA_INT, offset * i, i)
+    for i <- 0 until 10 do println("Index : " + memorySegment.get(ValueLayout.JAVA_INT, offset * i))
+    
+   } 
 }
diff --git a/src/main/scala/main/infrastructure/Resources.scala b/src/main/scala/main/infrastructure/Resources.scala
index f4e88c2..0915d3b 100644
--- a/src/main/scala/main/infrastructure/Resources.scala
+++ b/src/main/scala/main/infrastructure/Resources.scala
@@ -33,4 +33,7 @@ class Resources {
       // println("temperature: " + sensors.getCpuTemperature())
     }
   }
+
+
+  // TODO: add method for viewing threads
 }