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TEVD disk drive now uses PartialDOM

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This commit is contained in:
minjaesong
2023-02-18 19:38:50 +09:00
parent 7990bcb987
commit 461c30e3e8
5 changed files with 86 additions and 59 deletions
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4
assets/disk0/tvdos/sbin/sysctl.js
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@@ -23,7 +23,7 @@ const actions = {
graphics.setBackground(34,51,68)
sys.poke(-1299460, 20)
sys.poke(-1299460, 21)
}
},
"audio": ()=>{
for (let k = 0; k < 4; k++) {
audio.stop(k)
@@ -46,7 +46,7 @@ if (!verb) {
return 10
}
let actionfun = actions[verb][target]
let actionfun = actions[verb.toLowerCase()][target.toLowerCase()]
if (actionfun) actionfun()
else {
printerrln(`sysctl: unknown target ${target}`)

BIN
lib/TerranVirtualDisk-src.jar
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lib/TerranVirtualDisk.jar
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14
tsvm_core/src/net/torvald/tsvm/peripheral/TevdDiskDrive.kt
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@@ -23,7 +23,7 @@ class TevdDiskDrive(private val vm: VM, private val driveNum: Int, private val t
}
private val tevdPath = File(theTevdPath)
private val DOM = VDUtil.readDiskArchive(tevdPath, charset = VM.CHARSET)
private val DOM = PartialDOM(tevdPath, VM.CHARSET)//VDUtil.readDiskArchive(tevdPath, charset = VM.CHARSET)
private var fileOpen = false
private var fileOpenMode = -1 // 1: 'W", 2: 'A'
@@ -131,7 +131,8 @@ class TevdDiskDrive(private val vm: VM, private val driveNum: Int, private val t
val file = EntryFile(BLOCK_SIZE.toLong())
file.getContent().appendBytes(inputData)
DOM.entries[1] = DiskEntry(1, 1, "TEVDBOOT".toByteArray(VM.CHARSET), creationTime, creationTime, file)
DOM.addNewFile(DiskEntry(1, 1, "TEVDBOOT".toByteArray(VM.CHARSET), creationTime, creationTime, file))
fileOpenMode = -1
@@ -345,7 +346,7 @@ class TevdDiskDrive(private val vm: VM, private val driveNum: Int, private val t
// TODO driveNum is for disk drives that may have two or more slots built; for testing purposes we'll ignore it
val bootFile = DOM.entries[1]
val bootFile = DOM.requestFile(1)
printdbg("bootFile = $bootFile, ID: 1, exists = ${bootFile != null}")
@@ -355,7 +356,7 @@ class TevdDiskDrive(private val vm: VM, private val driveNum: Int, private val t
return
}
try {
val retMsg = VDUtil.getAsNormalFile(DOM, 1).getContent().sliceArray(0 until BLOCK_SIZE)
val retMsg = (bootFile.contents as EntryFile).getContent().sliceArray(0 until BLOCK_SIZE) //VDUtil.getAsNormalFile(DOM, 1).getContent().sliceArray(0 until BLOCK_SIZE)
printdbg("retMsg = ${retMsg.toString(VM.CHARSET)}")
@@ -488,8 +489,9 @@ class TevdDiskDrive(private val vm: VM, private val driveNum: Int, private val t
// TODO driveNum is for disk drives that may have two or more slots built; for testing purposes we'll ignore it
DOM.entries.clear()
DOM.diskName = newName.toByteArray(VM.CHARSET)
TODO()
// DOM.entries.clear()
// DOM.diskName = newName.toByteArray(VM.CHARSET)
}
else
statusCode.set(TestDiskDrive.STATE_CODE_ILLEGAL_COMMAND)

127
tsvm_core/src/net/torvald/tsvm/peripheral/TevdFileDescriptor.kt
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@@ -7,13 +7,13 @@ import java.io.IOException
/**
* Created by minjaesong on 2022-12-17.
*/
class TevdFileDescriptor(val DOM: VirtualDisk, _pathstr: String) {
class TevdFileDescriptor(val DOM: PartialDOM, _pathstr: String) {
val path = _pathstr.replace('\\', '/')
val vdPath = VDUtil.VDPath(path, VM.CHARSET)
val entryID: EntryID?
get() = VDUtil.getFile(DOM, vdPath)?.entryID
get() = DOM.requestFile(path)?.entryID
val canonicalPath = path.replace('/', '\\')
@@ -29,25 +29,34 @@ class TevdFileDescriptor(val DOM: VirtualDisk, _pathstr: String) {
val isFile: Boolean
get() = entryID.let { if (it == null) false else VDUtil.isFileFollowSymlink(DOM, it) }
get() = DOM.requestFile(path)?.contents is EntryFile // TODO follow symlink
val isDirectory: Boolean
get() = entryID.let { if (it == null) false else VDUtil.isDirectoryFollowSymlink(DOM, it) }
get() = DOM.requestFile(path)?.contents is EntryDirectory // TODO follow symlink
private fun requestFile(): Pair<DiskEntry, DiskEntryContent> {
val file = DOM.requestFile(path) ?: throw IOException("File not found")
val fileContent = file.contents
return file to fileContent
}
fun appendBytes(bytes: ByteArray) {
val fileContent = VDUtil.getAsNormalFile(DOM, vdPath) // this is not an object properties: the reference to the file may have been changed
fileContent.getContent().appendBytes(bytes)
VDUtil.getFile(DOM, vdPath)!!.modificationDate = VDUtil.currentUnixtime
// val fileContent = VDUtil.getAsNormalFile(DOM, vdPath) // this is not an object properties: the reference to the file may have been changed
val (file, fileContent) = requestFile()
(fileContent as EntryFile).getContent().appendBytes(bytes) // TODO follow symlink
file.modificationDate = VDUtil.currentUnixtime
}
fun writeBytes(bytes: ByteArray) {
val fileContent = VDUtil.getAsNormalFile(DOM, vdPath)
val (file, fileContent) = requestFile()
// println("[TevdFileDesc] ${path} writing ${bytes.size} bytes...")
// println("Old: ${fileContent.getContent().toByteArray().toString(VM.CHARSET)}")
fileContent.replaceContent(ByteArray64.fromByteArray(bytes))
(fileContent as EntryFile).replaceContent(ByteArray64.fromByteArray(bytes)) // TODO follow symlink
// println("New: ${fileContent.getContent().toByteArray().toString(VM.CHARSET)}")
VDUtil.getFile(DOM, vdPath)!!.modificationDate = VDUtil.currentUnixtime
file.modificationDate = VDUtil.currentUnixtime
}
/**
@@ -55,12 +64,8 @@ class TevdFileDescriptor(val DOM: VirtualDisk, _pathstr: String) {
* @return actual bytes read, the size may be less than `length` if the actual file size is smaller
*/
fun getHeadBytes64(length: Long): ByteArray64 {
if (isDirectory) throw RuntimeException("Not a file")
if (!exists()) throw IOException("File not found")
val fileContent = VDUtil.getAsNormalFile(DOM, vdPath)
return fileContent.getContent().let {
val (file, fileContent) = requestFile()
return (fileContent as EntryFile).getContent().let {
it.sliceArray64(0L until minOf(length, it.size))
}
}
@@ -69,25 +74,22 @@ class TevdFileDescriptor(val DOM: VirtualDisk, _pathstr: String) {
* @return actual bytes read, the size may be less than `length` if the actual file size is smaller
*/
fun getHeadBytes(length: Int): ByteArray {
if (isDirectory) throw RuntimeException("Not a file")
if (!exists()) throw IOException("File not found")
val fileContent = VDUtil.getAsNormalFile(DOM, vdPath)
return fileContent.getContent().let {
val (file, fileContent) = requestFile()
return (fileContent as EntryFile).getContent().let {
it.sliceArray(0 until minOf(length.toLong(), it.size).toInt())
}
}
fun exists(): Boolean {
return VDUtil.getFile(DOM, vdPath) != null
return (DOM.requestFile(path) != null)
}
fun delete(): Boolean {
return try {
val parentDir = vdPath.getParent()
VDUtil.deleteFile(DOM, vdPath)
VDUtil.getFile(DOM, parentDir)!!.modificationDate = VDUtil.currentUnixtime
val parentDir = vdPath.getParent().toString()
DOM.removeFile(path)
DOM.requestFile(parentDir)!!.modificationDate = VDUtil.currentUnixtime
true
}
catch (e: KotlinNullPointerException) {
@@ -96,33 +98,43 @@ class TevdFileDescriptor(val DOM: VirtualDisk, _pathstr: String) {
}
fun length(): Long {
return if (isFile) VDUtil.getAsNormalFileOrNull(DOM, vdPath)?.getSizePure() ?: 0L
val (file, fileContent) = requestFile()
return if (fileContent is EntryFile)
fileContent.getSizePure()
else -1L
}
fun listFiles(): Array<TevdFileDescriptor>? {
if (isFile) return null
entryID.let {
if (it == null) return null
return VDUtil.getDirectoryEntries(DOM, it).map {
TevdFileDescriptor(DOM, path + '/' + it.getFilenameString(VM.CHARSET))
}.toTypedArray()
}
val (file, fileContent) = requestFile()
return if (fileContent !is EntryDirectory) null // TODO follow symlink
else (DOM.requestFile(path)?.contents as EntryDirectory).getContent().map { id -> DOM.requestFile(id)!! }.map {
TevdFileDescriptor(DOM, path + '/' + it.getFilenameString(VM.CHARSET))
}.toTypedArray()
}
fun readBytes(): ByteArray {
if (isDirectory) throw RuntimeException("Not a file")
if (!exists()) throw IOException("File not found")
return VDUtil.getAsNormalFile(DOM, vdPath).getContent().toByteArray()
val (file, fileContent) = requestFile()
if (fileContent !is EntryFile) throw RuntimeException("Not a file") // TODO follow symlink
else
return fileContent.getContent().toByteArray()
}
fun mkdir(): Boolean {
return try {
val parentDir = vdPath.getParent()
VDUtil.addDir(DOM, parentDir, nameBytes)
VDUtil.getFile(DOM, parentDir)!!.modificationDate = VDUtil.currentUnixtime
val parentDir = vdPath.getParent().toString()
val dir = DOM.requestFile(parentDir)!!
val dirContent = dir.contents as EntryDirectory
val newTime = VDUtil.currentUnixtime
val newID = DOM.generateUniqueID()
val newDir = DiskEntry(newID, dir.entryID, nameBytes, newTime, newTime, EntryDirectory())
DOM.addNewFile(newDir)
dirContent.add(newID)
dir.modificationDate = newTime
true
}
catch (e: KotlinNullPointerException) {
@@ -135,9 +147,22 @@ class TevdFileDescriptor(val DOM: VirtualDisk, _pathstr: String) {
val time_t = System.currentTimeMillis() / 1000
val newFile = DiskEntry(-1, -1, nameBytes, time_t, time_t, fileContent)
return try {
val parentDir = vdPath.getParent()
VDUtil.addFile(DOM, parentDir, newFile)
VDUtil.getFile(DOM, parentDir)!!.modificationDate = VDUtil.currentUnixtime
val parentDir = vdPath.getParent().toString()
val dir = DOM.requestFile(parentDir)!!
val dirContent = dir.contents as EntryDirectory
val newTime = VDUtil.currentUnixtime
val newID = DOM.generateUniqueID()
newFile.entryID = newID
newFile.parentEntryID = dir.entryID
DOM.addNewFile(newFile)
dirContent.add(newID)
dir.modificationDate = newTime
true
}
catch (e: KotlinNullPointerException) {
@@ -146,12 +171,12 @@ class TevdFileDescriptor(val DOM: VirtualDisk, _pathstr: String) {
}
fun setLastModified(newTime_t: Long): Boolean {
return VDUtil.getFile(DOM, vdPath).let {
if (it != null) {
it.modificationDate = newTime_t
true
}
else false
return try {
DOM.requestFile(path)!!.modificationDate = newTime_t
true
}
catch (e: KotlinNullPointerException) {
false
}
}