Add much more getters to the Environment class

base/src/main/kotlin/de/staropensource/engine/base/utility/Environment.kt

@@ -25,6 +25,7 @@ import de.staropensource.engine.base.utility.Environment.OperatingSystem.*
 import kotlinx.datetime.Instant
 import oshi.PlatformEnum
 import oshi.SystemInfo
+import oshi.hardware.HardwareAbstractionLayer
 
 /**
  * Provides information about the
@@ -32,6 +33,7 @@ import oshi.SystemInfo
  *
  * @since v1-alpha10
  */
+@Suppress("unused")
 class Environment private constructor() {
     /**
      * Companion class of [Environment].
@@ -39,43 +41,28 @@ class Environment private constructor() {
      * @since v1-alpha10
      */
     companion object {
-        // -----> Properties
+        // -----> Internal properties
         /**
-         * The operating system family
-         * this program is running under.
+         * Contains the [oshi.software.os.OperatingSystem]
+         * implementation used for accessing
+         * information about the operating
+         * system the engine is running on.
          *
+         * @return [oshi.software.os.OperatingSystem] instance
          * @since v1-alpha10
          */
-        var operatingSystem: OperatingSystem = UNKNOWN
-            private set
+        private var os: oshi.software.os.OperatingSystem? = null
 
         /**
-         * Returns the maximum amount of bits this operating system supports.
-         *
-         * This might be 32, 64 or even higher.
+         * Contains the [HardwareAbstractionLayer]
+         * implementation used for accessing
+         * hardware information of the system the
+         * engine is running on.
          *
+         * @return [HardwareAbstractionLayer] instance
          * @since v1-alpha10
          */
-        var bitAmount: Int = 0
-            private set
-
-        /**
-         * The point in time where the
-         * operating system was started at.
-         *
-         * @since v1-alpha10
-         */
-        var startTime: Instant = Instant.fromEpochMilliseconds(0)
-            private set
-
-        /**
-         * Contains if this process is elevated ie.
-         * has superuser/administrator permissions.
-         *
-         * @since v1-alpha10
-         */
-        var elevated: Boolean = false
-            private set
+        private var hw: HardwareAbstractionLayer? = null
 
 
         // -----> Update methods
@@ -86,10 +73,8 @@ class Environment private constructor() {
          */
         @JvmStatic
         internal fun unset() {
-            operatingSystem = UNKNOWN
-            bitAmount = 0
-            startTime = Instant.fromEpochMilliseconds(0)
-            elevated = false
+            os = null
+            hw = null
         }
 
         /**
@@ -100,27 +85,281 @@ class Environment private constructor() {
         @JvmStatic
         internal fun detect() {
             val si: SystemInfo = SystemInfo()
-            val os: oshi.software.os.OperatingSystem = si.operatingSystem
-
-            logger.diag("Running environment detection")
-
-            // Detect operating system
-            when (SystemInfo.getCurrentPlatform()) {
-                PlatformEnum.LINUX, PlatformEnum.GNU, PlatformEnum.KFREEBSD -> operatingSystem = LINUX
-                PlatformEnum.FREEBSD -> operatingSystem = FREEBSD
-                PlatformEnum.NETBSD -> operatingSystem = NETBSD
-                PlatformEnum.OPENBSD -> operatingSystem = OPENBSD
-                //PlatformEnum.ANDROID -> Environment.operatingSystem = Environment.OperatingSystem.ANDROID  // android is not yet supported by the engine, have to figure that one out sometime
-                PlatformEnum.WINDOWS, PlatformEnum.WINDOWSCE -> operatingSystem = WINDOWS
-                PlatformEnum.MACOS -> operatingSystem = MACOS
-                else -> logger.crash("Unsupported operating system '" + os.family + "'")
-            }
-
-            // Detect other metadata
-            bitAmount = os.bitness
-            startTime = Instant.fromEpochSeconds(epochSeconds = os.systemBootTime)
-            elevated = os.isElevated
+            os = si.operatingSystem
+            hw = si.hardware
         }
+
+
+        // -----> Getters
+        // -------> General
+        /**
+         * Returns the amount of
+         * bits this platform targets.
+         *
+         * This may be 32, 64 or an
+         * even higher value.
+         *
+         * @return maximum of supported bits
+         * @since v1-alpha10
+         */
+        fun getOperatingSystem(): OperatingSystem? {
+            when (SystemInfo.getCurrentPlatform()) {
+                PlatformEnum.LINUX, PlatformEnum.GNU, PlatformEnum.KFREEBSD -> return LINUX
+                PlatformEnum.FREEBSD -> return FREEBSD
+                PlatformEnum.NETBSD -> return NETBSD
+                PlatformEnum.OPENBSD -> return OPENBSD
+                //PlatformEnum.ANDROID -> Environment.getOperatingSystem() = Environment.OperatingSystem.ANDROID  // android is not yet supported by the engine, have to figure that one out sometime
+                PlatformEnum.WINDOWS, PlatformEnum.WINDOWSCE -> return WINDOWS
+                PlatformEnum.MACOS -> return MACOS
+                else -> {
+                    logger.crash("Unsupported operating system '" + SystemInfo.getCurrentPlatform().name + "' reported by OSHI")
+                    return null
+                }
+            }
+        }
+
+        /**
+         * Returns the point in time where
+         * the system the engine is
+         * running on has started.
+         *
+         * @return time of system startup
+         * @since v1-alpha10
+         */
+        fun getTimeOfStartup(): Instant? {
+            if (os == null)
+                return null
+
+            return Instant.fromEpochSeconds(epochSeconds = os!!.systemBootTime)
+        }
+
+        /**
+         * Returns whether the current process
+         * is elevated and is able to execute
+         * superuser/administrator actions.
+         *
+         * @return elevated?
+         * @since v1-alpha10
+         */
+        fun isElevated(): Boolean? = os?.isElevated
+
+        /**
+         * Returns the amount of bits
+         * this platform targets.
+         *
+         * This may be 32, 64 or an
+         * even higher value.
+         *
+         * @return maximum of supported bits
+         * @since v1-alpha10
+         */
+        fun getBitness(): Int? = os?.bitness
+
+        // -------> Computer
+        /**
+         * Returns the name of the
+         * manufacturer of this computer.
+         *
+         * @return computer manufacturer name
+         * @since v1-alpha10
+         */
+        fun getComputerManufacturer(): String? = hw?.computerSystem?.manufacturer
+
+        /**
+         * Returns the name of the
+         * model of this computer.
+         *
+         * @return computer model name
+         * @since v1-alpha10
+         */
+        fun getComputerModel(): String? = hw?.computerSystem?.model
+
+        // -------> Firmware (BIOS, UEFI, etc.)
+        /**
+         * Returns the name of the firmware (BIOS,
+         * UEFI, etc.) installed on this computer.
+         *
+         * @return firmware name
+         * @since v1-alpha10
+         */
+        fun getFirmwareName(): String? = hw?.computerSystem?.firmware?.name
+
+        /**
+         * Returns the description of the firmware (BIOS,
+         * UEFI, etc.) installed on this computer.
+         *
+         * @return firmware description
+         * @since v1-alpha10
+         */
+        fun getFirmwareDescription(): String? = hw?.computerSystem?.firmware?.description
+
+        /**
+         * Returns the name of the manufacturer of this
+         * computer's firmware (BIOS, UEFI, etc.).
+         *
+         * @return firmware manufacturer name
+         * @since v1-alpha10
+         */
+        fun getFirmwareManufacturer(): String? = hw?.computerSystem?.firmware?.manufacturer
+
+        /**
+         * Returns the version of the firmware (BIOS,
+         * UEFI, etc.) installed on this computer.
+         *
+         * @return firmware version
+         * @since v1-alpha10
+         */
+        fun getFirmwareVersion(): String? = hw?.computerSystem?.firmware?.version
+
+        /**
+         * Returns the release date of the firmware (BIOS,
+         * UEFI, etc.) installed on this computer.
+         *
+         * @return firmware release date
+         * @since v1-alpha10
+         */
+        fun getFirmwareReleaseDate(): String? = hw?.computerSystem?.firmware?.releaseDate
+
+        // -------> Motherboard
+        /**
+         * Returns the name of the model of
+         * this computer's motherboard.
+         *
+         * @return motherboard model name
+         * @since v1-alpha10
+         */
+        fun getMotherboardModel(): String? = hw?.computerSystem?.baseboard?.model
+
+        /**
+         * Returns the version of this
+         * computer's motherboard.
+         *
+         * @return motherboard version
+         * @since v1-alpha10
+         */
+        fun getMotherboardVersion(): String? = hw?.computerSystem?.baseboard?.version
+
+        /**
+         * Returns the serial number of
+         * this computer's motherboard.
+         *
+         * @return motherboard serial number
+         * @since v1-alpha10
+         */
+        fun getMotherboardSerialNumber(): String? = hw?.computerSystem?.baseboard?.serialNumber
+
+        /**
+         * Returns the name of the manufacturer
+         * of this computer's motherboard.
+         *
+         * @return motherboard manufacturer name
+         * @since v1-alpha10
+         */
+        fun getMotherboardManufacturer(): String? = hw?.computerSystem?.baseboard?.manufacturer
+
+        // -------> Memory
+        /**
+         * Returns the total amount of physical
+         * memory this system has in bytes.
+         *
+         * @return amount of physical memory in bytes
+         * @since v1-alpha10
+         */
+        fun getMemoryTotal(): Long? = hw?.memory?.total
+
+        /**
+         * Returns the amount of available
+         * physical memory in bytes.
+         *
+         * @return amount of physical memory in bytes
+         * @since v1-alpha10
+         */
+        fun getMemoryAvailable(): Long? = hw?.memory?.available
+
+        /**
+         * Returns the amount of available
+         * physical memory in bytes.
+         *
+         * @return amount of physical memory in bytes
+         * @since v1-alpha10
+         */
+        fun getMemoryUsed(): Long? = hw?.memory?.total?.minus(hw!!.memory!!.available)
+
+        /**
+         * Returns the size of a
+         * memory page in bytes.
+         *
+         * @return size of a memory page in bytes
+         * @since v1-alpha10
+         */
+        fun getMemoryPageSize(): Long? = hw?.memory?.pageSize
+
+        // -------> CPU
+        /**
+         * Returns the maximum clock speed of
+         * the logical processors of the CPU
+         * installed in this computer in Hz.
+         *
+         * @return maximum clock speed of logical processors in Hz or `-1` if it couldn't be determined
+         * @since v1-alpha10
+         */
+        fun getCPUMaxFrequency(): Long? = hw?.processor?.maxFreq
+
+        /**
+         * Returns the estimated current clock
+         * speed of the logical processors of the
+         * CPU installed in this computer in Hz.
+         *
+         * Each item in the returned array
+         * stands for one logical processor.
+         *
+         * Depending on the platform the engine
+         * runs on, this may or may not be
+         * implemented. The algorithm used for
+         * calculating this estimate depends on
+         * the platform targeted. Some special
+         * restrictions apply to certain platforms.
+         * In short: Do not rely on the values
+         * in the array returned by this method.
+         *
+         * @return current clock rate of logical processors in Hz or an empty array
+         * @since v1-alpha10
+         */
+        fun getCPUCurrentFrequency(): LongArray? = hw?.processor?.currentFreq
+
+        /**
+         * Returns the current amount of
+         * logical processors of the CPU
+         * installed in this computer.
+         *
+         * This value may change over time
+         * on some platforms. Be sure to
+         * query this number frequently to
+         * avoid out of date information.
+         *
+         * @return amount of logical processors
+         * @since v1-alpha10
+         */
+        fun getCPULogicalCount(): Int? = hw?.processor?.logicalProcessorCount
+
+        /**
+         * Returns the amount of physical
+         * processors installed in this computer.
+         *
+         * @return amount of physical processors
+         * @since v1-alpha10
+         */
+        fun getCPUPhysicalCount(): Int? = hw?.processor?.physicalProcessorCount
+
+        // -------> CPU
+        /**
+         * Returns an array of graphics cards
+         * installed in this computer.
+         *
+         * @return array of [GraphicsCard] instances
+         * @since v1-alpha10
+         */
+        fun getGPUs(): Array<GraphicsCard>? = hw?.graphicsCards?.map { graphicsCard -> GraphicsCard(graphicsCard) }?.toTypedArray()
     }
 
     // -----> Data types
@@ -131,18 +370,6 @@ class Environment private constructor() {
      * @since v1-alpha10
      */
     enum class OperatingSystem {
-        /**
-         * The operating system could not be determined.
-         *
-         * Ideally, this value should be impossible to get
-         * as the engine crashes during the bootstrapping
-         * phase if the operating system is not supported
-         * by the engine.
-         *
-         * @since v1-alpha10
-         */
-        UNKNOWN,
-
         /**
          * Identifies that the application is running
          * under the [Linux](https://kernel.org) kernel
@@ -206,4 +433,55 @@ class Environment private constructor() {
          */
         MACOS,
     }
+
+    /**
+     * Represents a graphics card.
+     *
+     * @since v1-alpha10
+     */
+    class GraphicsCard internal constructor(val graphicsCard: oshi.hardware.GraphicsCard) {
+        /**
+         * Returns the name of this graphics card.
+         *
+         * @return name
+         * @since v1-alpha10
+         */
+        fun getName(): String = graphicsCard.name
+
+        /**
+         * Returns the device identifier
+         * of this graphics card.
+         *
+         * @return device identifier
+         * @since v1-alpha10
+         */
+        fun getDeviceIdentifier(): String = graphicsCard.deviceId
+
+        /**
+         * Returns the name of the manufacturer
+         * of this graphics card.
+         *
+         * @return manufacturer name
+         * @since v1-alpha10
+         */
+        fun getManufacturer(): String = graphicsCard.vendor
+
+        /**
+         * Returns the version of
+         * this graphics card.
+         *
+         * @return version
+         * @since v1-alpha10
+         */
+        fun getVersion(): String = graphicsCard.versionInfo
+
+        /**
+         * Returns the amount of VRAM provided
+         * by this graphics card in bytes.
+         *
+         * @return amount of total VRAM
+         * @since v1-alpha10
+         */
+        fun getVideoMemory(): Long = graphicsCard.vRam
+    }
 }

base/src/main/kotlin/de/staropensource/engine/base/utility/FileAccess.kt

@@ -152,14 +152,14 @@ class FileAccess {
                 .createDirectory()
                 .verifyIsDirectory()
 
-            configDirectory = FileAccess(when (Environment.operatingSystem) {
+            configDirectory = FileAccess(when (Environment.getOperatingSystem()) {
                 LINUX, FREEBSD, NETBSD, OPENBSD -> "${homeDirectory}/.config"
                 WINDOWS -> "${homeDirectory}/AppData/Roaming/sosengine/config"
                 MACOS -> "${homeDirectory}/Library/Application Support/sosengine/config"
                 else -> "${homeDirectory}/.sosengine/config"
             }).createDirectory().verifyIsDirectory()
 
-            dataDirectory = FileAccess(when (Environment.operatingSystem) {
+            dataDirectory = FileAccess(when (Environment.getOperatingSystem()) {
                 LINUX, FREEBSD, NETBSD, OPENBSD -> "${homeDirectory}/.local/share"
                 WINDOWS -> "${homeDirectory}/AppData/Roaming/sosengine/data"
                 MACOS -> "${homeDirectory}/Library/Application Support/sosengine/data"
@@ -174,7 +174,7 @@ class FileAccess {
                         + ProcessHandle.current().pid()
             ).createDirectory().verifyIsDirectory().deleteOnShutdown()
 
-            persistentCacheDirectory = FileAccess(when (Environment.operatingSystem) {
+            persistentCacheDirectory = FileAccess(when (Environment.getOperatingSystem()) {
                 LINUX, FREEBSD, NETBSD, OPENBSD -> "${homeDirectory}/.cache"
                 WINDOWS -> "${homeDirectory}/AppData/Local/Temp"
                 MACOS -> "${homeDirectory}/Library/Caches"
@@ -549,7 +549,7 @@ class FileAccess {
      * @since  v1-alpha10
      */
     fun getFilesystemRestrictedNames(): String {
-        return when (Environment.operatingSystem) {
+        return when (Environment.getOperatingSystem()) {
             WINDOWS -> "(?i)\\|/|:|[*]|[?]|\"|<|>|[|]|CON|PRN|AUX|NUL|COM[0-9]|LPT[0-9]"
             else -> "/"
         }

base/src/test/kotlin/de/staropensource/engine/base/utility/FileAccessTest.kt

@@ -62,7 +62,7 @@ class FileAccessTest : TestBase() {
             .replace("%", File.separator)
 
         // Apply operating system-specific updates
-        when (Environment.operatingSystem) {
+        when (Environment.getOperatingSystem()) {
             Environment.OperatingSystem.WINDOWS -> {
                 if (string.startsWith(File.separator) || string.startsWith("/"))
                     string = "C:${string}"