Support ping bedrock

src/nativeMain/kotlin/cn/rtast/mcping/platform/buffer.native.kt

@@ -4,19 +4,32 @@
  * Date: 2026/9/3
  */
 
-
 package cn.rtast.mcping.platform
 
 import kotlinx.io.Buffer
 import kotlinx.io.readByteArray
 
-internal actual class PlatformBuffer actual constructor() {
-    private val _delegateBuf = Buffer()
+internal actual class PlatformBuffer {
+    private val _delegateBuf: Buffer
+
+    actual constructor() {
+        _delegateBuf = Buffer()
+    }
+
+    actual constructor(bytes: ByteArray) {
+        _delegateBuf = Buffer().apply { write(bytes) }
+    }
 
     actual fun writeByte(value: Byte) = _delegateBuf.writeByte(value)
+    actual fun writeShort(value: Short) = _delegateBuf.writeShort(value)
+    actual fun writeLong(value: Long) = _delegateBuf.writeLong(value)
     actual fun writeBytes(bytes: ByteArray) = _delegateBuf.write(bytes)
+
     actual fun readByte(): Byte = _delegateBuf.readByte()
+    actual fun readShort(): Short = _delegateBuf.readShort()
+    actual fun readLong(): Long = _delegateBuf.readLong()
     actual fun readBytes(length: Int): ByteArray = _delegateBuf.readByteArray(length)
+
     actual fun toByteArray(): ByteArray = _delegateBuf.peek().readByteArray()
 
     actual val size: Int