Scala Native

.github/workflows/ci.yml

@@ -30,7 +30,7 @@ jobs:
         os: [ubuntu-latest]
         scala: [3.1.3, 2.12.16, 2.13.8]
         java: [temurin@17]
-        project: [rootJS, rootJVM]
+        project: [rootJS, rootJVM, rootNative]
     runs-on: ${{ matrix.os }}
     steps:
       - name: Checkout current branch (full)
@@ -66,6 +66,10 @@ jobs:
             ~/Library/Caches/Coursier/v1
           key: ${{ runner.os }}-sbt-cache-v2-${{ hashFiles('**/*.sbt') }}-${{ hashFiles('project/build.properties') }}
 
+      - name: Install s2n
+        if: startsWith(matrix.project, 'rootNative')
+        run: brew install s2n
+
       - name: Check that workflows are up to date
         run: sbt 'project ${{ matrix.project }}' '++${{ matrix.scala }}' 'project /' githubWorkflowCheck
 
@@ -77,6 +81,10 @@ jobs:
         if: matrix.project == 'rootJS'
         run: sbt 'project ${{ matrix.project }}' '++${{ matrix.scala }}' Test/scalaJSLinkerResult
 
+      - name: nativeLink
+        if: matrix.project == 'rootNative'
+        run: sbt 'project ${{ matrix.project }}' '++${{ matrix.scala }}' Test/nativeLink
+
       - name: Test
         run: sbt 'project ${{ matrix.project }}' '++${{ matrix.scala }}' test
 
@@ -96,11 +104,11 @@ jobs:
 
       - name: Make target directories
         if: github.event_name != 'pull_request' && (startsWith(github.ref, 'refs/tags/v') || github.ref == 'refs/heads/main' || github.ref == 'refs/heads/series/2.5.x')
-        run: mkdir -p target protocols/js/target unidocs/target .js/target core/js/target mdoc/target core/jvm/target .jvm/target .native/target scodec/jvm/target scodec/js/target io/js/target reactive-streams/target io/jvm/target protocols/jvm/target benchmark/target project/target
+        run: mkdir -p target protocols/js/target io/native/target unidocs/target .js/target core/native/target core/js/target protocols/native/target mdoc/target core/jvm/target .jvm/target .native/target scodec/jvm/target scodec/js/target io/js/target reactive-streams/target io/jvm/target protocols/jvm/target scodec/native/target benchmark/target project/target
 
       - name: Compress target directories
         if: github.event_name != 'pull_request' && (startsWith(github.ref, 'refs/tags/v') || github.ref == 'refs/heads/main' || github.ref == 'refs/heads/series/2.5.x')
-        run: tar cf targets.tar target protocols/js/target unidocs/target .js/target core/js/target mdoc/target core/jvm/target .jvm/target .native/target scodec/jvm/target scodec/js/target io/js/target reactive-streams/target io/jvm/target protocols/jvm/target benchmark/target project/target
+        run: tar cf targets.tar target protocols/js/target io/native/target unidocs/target .js/target core/native/target core/js/target protocols/native/target mdoc/target core/jvm/target .jvm/target .native/target scodec/jvm/target scodec/js/target io/js/target reactive-streams/target io/jvm/target protocols/jvm/target scodec/native/target benchmark/target project/target
 
       - name: Upload target directories
         if: github.event_name != 'pull_request' && (startsWith(github.ref, 'refs/tags/v') || github.ref == 'refs/heads/main' || github.ref == 'refs/heads/series/2.5.x')
@@ -173,6 +181,16 @@ jobs:
           tar xf targets.tar
           rm targets.tar
 
+      - name: Download target directories (3.1.3, rootNative)
+        uses: actions/download-artifact@v2
+        with:
+          name: target-${{ matrix.os }}-${{ matrix.java }}-3.1.3-rootNative
+
+      - name: Inflate target directories (3.1.3, rootNative)
+        run: |
+          tar xf targets.tar
+          rm targets.tar
+
       - name: Download target directories (2.12.16, rootJS)
         uses: actions/download-artifact@v2
         with:
@@ -193,6 +211,16 @@ jobs:
           tar xf targets.tar
           rm targets.tar
 
+      - name: Download target directories (2.12.16, rootNative)
+        uses: actions/download-artifact@v2
+        with:
+          name: target-${{ matrix.os }}-${{ matrix.java }}-2.12.16-rootNative
+
+      - name: Inflate target directories (2.12.16, rootNative)
+        run: |
+          tar xf targets.tar
+          rm targets.tar
+
       - name: Download target directories (2.13.8, rootJS)
         uses: actions/download-artifact@v2
         with:
@@ -213,6 +241,16 @@ jobs:
           tar xf targets.tar
           rm targets.tar
 
+      - name: Download target directories (2.13.8, rootNative)
+        uses: actions/download-artifact@v2
+        with:
+          name: target-${{ matrix.os }}-${{ matrix.java }}-2.13.8-rootNative
+
+      - name: Inflate target directories (2.13.8, rootNative)
+        run: |
+          tar xf targets.tar
+          rm targets.tar
+
       - name: Import signing key
         if: env.PGP_SECRET != '' && env.PGP_PASSPHRASE == ''
         run: echo $PGP_SECRET | base64 -di | gpg --import

build.sbt

@@ -2,7 +2,7 @@ import com.typesafe.tools.mima.core._
 
 Global / onChangedBuildSource := ReloadOnSourceChanges
 
-ThisBuild / tlBaseVersion := "3.2"
+ThisBuild / tlBaseVersion := "3.3"
 
 ThisBuild / organization := "co.fs2"
 ThisBuild / organizationName := "Functional Streams for Scala"
@@ -14,6 +14,16 @@ ThisBuild / crossScalaVersions := Seq("3.1.3", "2.12.16", NewScala)
 ThisBuild / tlVersionIntroduced := Map("3" -> "3.0.3")
 
 ThisBuild / githubWorkflowJavaVersions := Seq(JavaSpec.temurin("17"))
+ThisBuild / githubWorkflowBuildPreamble +=
+  WorkflowStep.Run(
+    List("brew install s2n"),
+    name = Some("Install s2n"),
+    cond = Some("startsWith(matrix.project, 'rootNative')")
+  )
+val isLinux = {
+  val osName = Option(System.getProperty("os.name"))
+  osName.exists(_.toLowerCase().contains("linux"))
+}
 
 ThisBuild / tlCiReleaseBranches := List("main", "series/2.5.x")
 
@@ -160,7 +170,12 @@ ThisBuild / mimaBinaryIssueFilters ++= Seq(
   ProblemFilters.exclude[DirectMissingMethodProblem]("fs2.ChunkCompanionPlatform.makeArrayBuilder"),
   ProblemFilters.exclude[ReversedMissingMethodProblem]("fs2.concurrent.Channel.trySend"),
   ProblemFilters.exclude[ReversedMissingMethodProblem]("fs2.compression.Compression.gunzip"),
-  ProblemFilters.exclude[ReversedMissingMethodProblem]("fs2.io.net.tls.TLSContext#Builder.insecure")
+  ProblemFilters.exclude[ReversedMissingMethodProblem](
+    "fs2.io.net.tls.TLSContext#Builder.systemResource"
+  ),
+  ProblemFilters.exclude[ReversedMissingMethodProblem](
+    "fs2.io.net.tls.TLSContext#Builder.insecureResource"
+  )
 )
 
 lazy val root = tlCrossRootProject
@@ -176,7 +191,11 @@ lazy val root = tlCrossRootProject
 
 lazy val IntegrationTest = config("it").extend(Test)
 
-lazy val core = crossProject(JVMPlatform, JSPlatform)
+lazy val commonNativeSettings = Seq(
+  tlVersionIntroduced := List("2.12", "2.13", "3").map(_ -> "3.2.15").toMap
+)
+
+lazy val core = crossProject(JVMPlatform, JSPlatform, NativePlatform)
   .in(file("core"))
   .configs(IntegrationTest)
   .settings(Defaults.itSettings: _*)
@@ -194,9 +213,9 @@ lazy val core = crossProject(JVMPlatform, JSPlatform)
       "org.typelevel" %%% "cats-effect-laws" % "3.3.14" % Test,
       "org.typelevel" %%% "cats-effect-testkit" % "3.3.14" % Test,
       "org.scodec" %%% "scodec-bits" % "1.1.34",
-      "org.typelevel" %%% "scalacheck-effect-munit" % "1.0.4" % Test,
-      "org.typelevel" %%% "munit-cats-effect-3" % "1.0.7" % Test,
-      "org.typelevel" %%% "discipline-munit" % "1.0.9" % Test
+      "org.typelevel" %%% "scalacheck-effect-munit" % "2.0.0-M2" % Test,
+      "org.typelevel" %%% "munit-cats-effect" % "2.0.0-M3" % Test,
+      "org.typelevel" %%% "discipline-munit" % "2.0.0-M3" % Test
     ),
     tlJdkRelease := Some(8),
     Compile / doc / scalacOptions ++= (if (scalaVersion.value.startsWith("2.")) Seq("-nowarn")
@@ -217,12 +236,16 @@ lazy val coreJS = core.js
     scalaJSLinkerConfig ~= (_.withModuleKind(ModuleKind.CommonJSModule))
   )
 
-lazy val io = crossProject(JVMPlatform, JSPlatform)
+lazy val coreNative = core.native
+  .disablePlugins(DoctestPlugin)
+  .settings(commonNativeSettings)
+
+lazy val io = crossProject(JVMPlatform, JSPlatform, NativePlatform)
   .in(file("io"))
   .settings(
     name := "fs2-io",
-    libraryDependencies += "com.comcast" %%% "ip4s-core" % "3.1.3",
-    tlVersionIntroduced ~= { _.updated("3", "3.1.0") }
+    tlVersionIntroduced ~= { _.updated("3", "3.1.0") },
+    libraryDependencies += "com.comcast" %%% "ip4s-core" % "3.2.0"
   )
   .jvmSettings(
     Test / fork := true,
@@ -235,6 +258,24 @@ lazy val io = crossProject(JVMPlatform, JSPlatform)
     tlVersionIntroduced := List("2.12", "2.13", "3").map(_ -> "3.1.0").toMap,
     scalaJSLinkerConfig ~= (_.withModuleKind(ModuleKind.CommonJSModule))
   )
+  .nativeSettings(commonNativeSettings)
+  .nativeSettings(
+    libraryDependencies ++= Seq(
+      "com.armanbilge" %%% "epollcat" % "0.1.0" % Test
+    ),
+    nativeConfig ~= { c =>
+      if (isLinux) { // brew-installed s2n
+        c.withLinkingOptions(c.linkingOptions :+ "-L/home/linuxbrew/.linuxbrew/lib")
+      } else c
+    },
+    Test / envVars ++= {
+      val ldLibPath =
+        if (isLinux)
+          Map("LD_LIBRARY_PATH" -> "/home/linuxbrew/.linuxbrew/lib")
+        else Map.empty
+      Map("S2N_DONT_MLOCK" -> "1") ++ ldLibPath
+    }
+  )
   .dependsOn(core % "compile->compile;test->test")
   .jsSettings(
     mimaBinaryIssueFilters ++= Seq(
@@ -283,25 +324,29 @@ lazy val io = crossProject(JVMPlatform, JSPlatform)
       ProblemFilters.exclude[DirectMissingMethodProblem]("fs2.io.net.tls.TLSSocket.forAsync")
     )
   )
+  .nativeSettings(
+    nativeConfig ~= { _.withEmbedResources(true) }
+  )
 
-lazy val scodec = crossProject(JVMPlatform, JSPlatform)
+lazy val scodec = crossProject(JVMPlatform, JSPlatform, NativePlatform)
   .in(file("scodec"))
   .settings(
     name := "fs2-scodec",
     libraryDependencies += "org.scodec" %%% "scodec-core" % (if (
                                                                scalaVersion.value.startsWith("2.")
                                                              )
-                                                               "1.11.9"
-                                                             else "2.1.0"),
+                                                               "1.11.10"
+                                                             else "2.2.0"),
     tlVersionIntroduced := List("2.12", "2.13", "3").map(_ -> "3.2.0").toMap,
     tlJdkRelease := Some(8)
   )
   .jsSettings(
     scalaJSLinkerConfig ~= (_.withModuleKind(ModuleKind.CommonJSModule))
   )
+  .nativeSettings(commonNativeSettings)
   .dependsOn(core % "compile->compile;test->test", io % "test")
 
-lazy val protocols = crossProject(JVMPlatform, JSPlatform)
+lazy val protocols = crossProject(JVMPlatform, JSPlatform, NativePlatform)
   .in(file("protocols"))
   .settings(
     name := "fs2-protocols",
@@ -311,6 +356,7 @@ lazy val protocols = crossProject(JVMPlatform, JSPlatform)
   .jsSettings(
     scalaJSLinkerConfig ~= (_.withModuleKind(ModuleKind.CommonJSModule))
   )
+  .nativeSettings(commonNativeSettings)
   .dependsOn(core % "compile->compile;test->test", scodec, io)
 
 lazy val reactiveStreams = project

core/js/src/test/scala/fs2/TestPlatform.scala

@@ -23,4 +23,5 @@ package fs2
 
 trait TestPlatform {
   def isJVM: Boolean = false
+  def isNative: Boolean = false
 }

core/jvm/src/test/scala/fs2/TestPlatform.scala

@@ -23,4 +23,5 @@ package fs2
 
 trait TestPlatform {
   def isJVM: Boolean = true
+  def isNative: Boolean = false
 }

core/native/src/main/scala/fs2/ChunkRuntimePlatform.scala

@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2013 Functional Streams for Scala
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+package fs2
+
+private[fs2] trait ChunkRuntimePlatform[+O]
+
+private[fs2] trait ChunkCompanionRuntimePlatform

core/native/src/test/scala/fs2/TestPlatform.scala

@@ -0,0 +1,27 @@
+/*
+ * Copyright (c) 2013 Functional Streams for Scala
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+package fs2
+
+trait TestPlatform {
+  def isJVM: Boolean = false
+  def isNative: Boolean = true
+}

core/shared/src/test/scala/fs2/StreamCombinatorsSuite.scala

@@ -268,7 +268,7 @@ class StreamCombinatorsSuite extends Fs2Suite {
       .map { result =>
         assertEquals(result.size, 1)
         val head = result.head
-        assert(head.toMillis >= (delay.toMillis - 5))
+        assert(clue(head.toMillis) >= clue(delay.toMillis - 5))
       }
   }
 

io/js-jvm/src/test/scala/fs2/io/Fs2IoSuite.scala

@@ -0,0 +1,25 @@
+/*
+ * Copyright (c) 2013 Functional Streams for Scala
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+package fs2
+package io
+
+abstract class Fs2IoSuite extends Fs2Suite

io/js/src/main/scala/fs2/io/net/tls/TLSContextPlatform.scala

@@ -38,10 +38,12 @@ private[tls] trait TLSContextCompanionPlatform { self: TLSContext.type =>
 
   private[tls] trait BuilderPlatform[F[_]] {
     def fromSecureContext(context: SecureContext): TLSContext[F]
+    def system: F[TLSContext[F]]
+    def insecure: F[TLSContext[F]]
   }
 
   private[tls] trait BuilderCompanionPlatform {
-    private[tls] final class AsyncBuilder[F[_]](implicit F: Async[F]) extends Builder[F] {
+    private[tls] final class AsyncBuilder[F[_]](implicit F: Async[F]) extends UnsealedBuilder[F] {
 
       def fromSecureContext(
           context: SecureContext,
@@ -143,8 +145,14 @@ private[tls] trait TLSContextCompanionPlatform { self: TLSContext.type =>
       def system: F[TLSContext[F]] =
         Async[F].delay(fromSecureContext(SecureContext.default))
 
+      def systemResource: Resource[F, TLSContext[F]] =
+        Resource.eval(system)
+
       def insecure: F[TLSContext[F]] =
         Async[F].delay(fromSecureContext(SecureContext.default, insecure = true))
+
+      def insecureResource: Resource[F, TLSContext[F]] =
+        Resource.eval(insecure)
     }
   }
 }