more KMP targets

build.gradle.kts

@@ -17,6 +17,7 @@ repositories {
 }
 
 kotlin {
+    jvmToolchain(17)
     jvm {
         compilations.all {
             kotlinOptions.jvmTarget = "1.8"
@@ -48,15 +49,32 @@ kotlin {
         }
     }
 
-    val hostOs = System.getProperty("os.name")
-    val isMingwX64 = hostOs.startsWith("Windows")
-    val nativeTarget = when {
-        hostOs == "Mac OS X" -> macosX64("native")
-        hostOs == "Linux" -> linuxX64("native")
-        isMingwX64 -> mingwX64("native")
-        else -> throw GradleException("Host OS is not supported in Kotlin/Native.")
+//    val hostOs = System.getProperty("os.name")
+//    val isMingwX64 = hostOs.startsWith("Windows")
+//    val nativeTarget = when {
+//        hostOs == "Mac OS X" -> macosX64("native")
+//        hostOs == "Linux" -> linuxX64("native")
+//        isMingwX64 -> mingwX64("native")
+//        else -> throw GradleException("Host OS is not supported in Kotlin/Native.")
+//    }
+
+    linuxX64("native") {
+        binaries.staticLib {
+            baseName = "mp_bintools"
+        }
     }
 
+    wasmJs {
+        browser()
+        binaries.executable()
+    }
+
+
+    mingwX64() {
+        binaries.staticLib {
+            baseName = "mp_bintools"
+        }
+    }
     
     sourceSets {
         all {
@@ -66,29 +84,35 @@ kotlin {
         }
         val commonMain by getting {
             dependencies {
-                implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.6.4")
+                implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.8.0")
                 // this is actually a bug: we need only the core, but bare core causes strange errors
-                implementation("org.jetbrains.kotlinx:kotlinx-serialization-json:1.5.0")
+                implementation("org.jetbrains.kotlinx:kotlinx-serialization-json:1.6.3")
 //                api("net.sergeych:mp_stools:[1.3.3,)")
-                implementation("org.jetbrains.kotlinx:kotlinx-datetime:0.4.0")
+                implementation("org.jetbrains.kotlinx:kotlinx-datetime:0.5.0")
             }
         }
         val commonTest by getting {
             dependencies {
                 implementation(kotlin("test"))
-                implementation("net.sergeych:mp_stools:1.4.1")
+                implementation("net.sergeych:mp_stools:1.4.4-SNAPSHOT")
             }
         }
         val jvmMain by getting
         val jvmTest by getting
         val jsMain by getting {
             dependencies {
-                implementation("net.sergeych:mp_stools:1.4.3")
+                implementation("net.sergeych:mp_stools:1.4.4-SNAPSHOT")
             }
         }
         val jsTest by getting
         val nativeMain by getting
         val nativeTest by getting
+        val wasmJsMain by getting {
+            dependencies {
+                implementation("net.sergeych:mp_stools:1.4.4-SNAPSHOT")
+            }
+        }
+        val wasmJsTest by getting
     }
 
     publishing {

src/commonTest/kotlin/synctools/AtomicCounterTest.kt

@@ -1,6 +1,5 @@
 package net.sergeych.synctools
 
-import net.sergeych.tools.AtomicCounter
 import kotlin.test.Test
 import kotlin.test.assertEquals
 

src/mingwX64Main/kotlin/net.sergeych.bintools/KVStorage.mingwX64.kt

@@ -0,0 +1,25 @@
+package net.sergeych.bintools
+
+/**
+ * Create per-platform default named storage.
+ *
+ * - In the browser, it uses the `Window.localStorage` prefixing items
+ *   by a string containing the [name]
+ *
+ * - In the JVM environment it uses folder-based storage on the file system. The name
+ *   is considered to be a folder name (the whole path which will be automatically created)
+ *   using the following rules:
+ *    - when the name starts with slash (`/`) it is treated as an absolute path to a folder
+ *    - when the name contains slash, it is considered to be a relative folder to the
+ *      `User.home` directory, like "`~/`" on unix systems.
+ *    - otherwise, the folder will be created in "`~/.local_storage`" parent directory
+ *      (which also will be created if needed).
+ *
+ *  - For the native platorms it is not yet implemented (but will be soon).
+ *
+ *  See [DataKVStorage] and [DataProvider] to implement a KVStorage on filesystems and like,
+ *  and `FileDataProvider` class on JVM target.
+ */
+actual fun defaultNamedStorage(name: String): KVStorage {
+    TODO("Not yet implemented")
+}

src/mingwX64Main/kotlin/net/sergeych/synctools/ProtectedOp.mingwX64.kt

@@ -0,0 +1,17 @@
+package net.sergeych.synctools
+
+import kotlinx.atomicfu.locks.ReentrantLock
+
+/**
+ * Native implementation uses `ReentrantLock`]
+ */
+actual fun ProtectedOp(): ProtectedOpImplementation = object : ProtectedOpImplementation {
+    private val access = ReentrantLock()
+    override fun lock() {
+        access.lock()
+    }
+
+    override fun unlock() {
+        access.unlock()
+    }
+}

src/mingwX64Main/kotlin/net/sergeych/synctools/WaitHandle.mingwX64.kt

@@ -0,0 +1,34 @@
+package net.sergeych.synctools
+
+import kotlinx.coroutines.TimeoutCancellationException
+import kotlinx.coroutines.channels.Channel
+import kotlinx.coroutines.runBlocking
+import kotlinx.coroutines.withTimeout
+
+@Suppress("EXPECT_ACTUAL_CLASSIFIERS_ARE_IN_BETA_WARNING")
+actual class WaitHandle {
+    private val channel = Channel<Unit>()
+    actual fun await(milliseconds: Long): Boolean {
+        return runBlocking {
+            try {
+                if( milliseconds > 0) {
+                    withTimeout(milliseconds) {
+                        channel.receive()
+                        true
+                    }
+                }
+                else {
+                    channel.receive()
+                    true
+                }
+            }
+            catch(_: TimeoutCancellationException) {
+                false
+            }
+        }
+    }
+
+    actual fun wakeUp() {
+        runBlocking { channel.send(Unit) }
+    }
+}

src/wasmJsMain/kotlin/net.sergeych.bintools/KVStorage.wasmJs.kt

@@ -0,0 +1,63 @@
+package net.sergeych.bintools
+
+import kotlinx.browser.localStorage
+import net.sergeych.mp_tools.decodeBase64Compact
+import net.sergeych.mp_tools.encodeToBase64Compact
+import org.w3c.dom.Storage
+import org.w3c.dom.set
+
+
+/**
+ * Create per-platform default named storage.
+ *
+ * - In the browser, it uses the `Window.localStorage` prefixing items
+ *   by a string containing the [name]
+ *
+ * - In the JVM environment it uses folder-based storage on the file system. The name
+ *   is considered to be a folder name (the whole path which will be automatically created)
+ *   using the following rules:
+ *    - when the name starts with slash (`/`) it is treated as an absolute path to a folder
+ *    - when the name contains slash, it is considered to be a relative folder to the
+ *      `User.home` directory, like "`~/`" on unix systems.
+ *    - otherwise, the folder will be created in "`~/.local_storage`" parent directory
+ *      (which also will be created if needed).
+ *
+ *  - For the native platorms it is not yet implemented (but will be soon).
+ *
+ *  See [DataKVStorage] and [DataProvider] to implement a KVStorage on filesystems and like,
+ *  and `FileDataProvider` class on JVM target.
+ */
+actual fun defaultNamedStorage(name: String): KVStorage =  BrowserKVStorage(name, localStorage)
+
+/**
+ * Default KV storage in browser. Use if with `localStorage` or `sessionStorage`. It uses
+ * prefix for storage values not to collide with other data, beware of it.
+ */
+class BrowserKVStorage(keyPrefix: String, private val bst: Storage) : KVStorage {
+
+    private val prefix = "$keyPrefix:"
+    fun k(key: String) = "$prefix$key"
+    override fun get(key: String): ByteArray? {
+        return bst.getItem(k(key))?.decodeBase64Compact()
+    }
+
+    override fun set(key: String, value: ByteArray?) {
+        val corrected = k(key)
+        if (value == null)
+            bst.removeItem(corrected)
+        else
+            bst.set(corrected, value.encodeToBase64Compact())
+    }
+
+    override val keys: Set<String>
+        get() {
+            val kk = mutableListOf<String>()
+            for (i in 0 until bst.length) {
+                val k = bst.key(i) ?: break
+                if( k.startsWith(prefix)) {
+                    kk += k.substring(prefix.length)
+                }
+            }
+            return kk.toSet()
+        }
+}

src/wasmJsMain/kotlin/net/sergeych/synctools/ProtectedOp.wasmJs.kt

@@ -0,0 +1,27 @@
+package net.sergeych.synctools
+
+import kotlinx.atomicfu.locks.ReentrantLock
+
+/**
+ * Get the platform-depended implementation of a mutex. It does nothing in the
+ * browser and use appropriate mechanics on JVM and native targets. See
+ * [ProtectedOpImplementation.invoke], [ProtectedOpImplementation.withLock]
+ * ```kotlin
+ * val op = ProtectedOp()
+ * //...
+ * op {
+ *      // mutually exclusive execution
+ *      println("sequential execution here")
+ * }
+ * ~~~
+ */
+actual fun ProtectedOp(): ProtectedOpImplementation = object: ProtectedOpImplementation {
+    val rlock = ReentrantLock()
+    override fun lock() {
+        rlock.lock()
+    }
+
+    override fun unlock() {
+        rlock.unlock()
+    }
+}

src/wasmJsMain/kotlin/net/sergeych/synctools/WaitHandle.wasmJs.kt

@@ -0,0 +1,19 @@
+package net.sergeych.synctools
+
+/**
+ * Platform-independent interface to thread wait/notify. Does nothing in JS/browser,
+ * and uses appropriate mechanics on other platforms.
+ *
+ * Wasm is effictively songle threaded at the moment
+ */
+@Suppress("EXPECT_ACTUAL_CLASSIFIERS_ARE_IN_BETA_WARNING")
+actual class WaitHandle {
+    actual fun await(milliseconds: Long): Boolean {
+        // in JS we can't wait: no threads
+        return true
+    }
+
+    actual fun wakeUp() {
+        // in JS we can't wait: no threads
+    }
+}