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The Open Source version of the IBM Toolbox for Java
///////////////////////////////////////////////////////////////////////////////
//
// JTOpenLite
//
// Filename: FileConnection.java
//
// The source code contained herein is licensed under the IBM Public License
// Version 1.0, which has been approved by the Open Source Initiative.
// Copyright (C) 2011-2012 International Business Machines Corporation and
// others. All rights reserved.
//
///////////////////////////////////////////////////////////////////////////////
package com.ibm.jtopenlite.file;
import com.ibm.jtopenlite.*;
import java.io.*;
import java.net.*;
import java.util.ArrayList;
import java.util.List;
import javax.net.ssl.SSLSocketFactory;
/**
* Represents a TCP/IP socket connection to the System i File host server
* (QSERVER/QPWFSERVSO prestart jobs).
*
For an example, see {@link com.ibm.jtopenlite.samples.AccessIfsFile}.
**/
public class FileConnection extends HostServerConnection //implements Connection
{
public static final int DEFAULT_FILE_SERVER_PORT = 8473;
public static final int DEFAULT_SSL_FILE_SERVER_PORT = 9473;
private int ccsid_;
private int datastreamLevel_;
private int maxDataBlockSize_;
private int correlationID_ = 1;
private int newCorrelationID()
{
if (correlationID_ == 0x7FFFFFFF) correlationID_ = 0;
return ++correlationID_;
}
private FileConnection(SystemInfo info, Socket socket, HostInputStream in, HostOutputStream out, int ccsid, int datastreamLevel, int maxDataBlockSize, String user, String jobName)
{
super(info, user, jobName, socket, in, out);
ccsid_ = ccsid;
datastreamLevel_ = datastreamLevel;
maxDataBlockSize_ = maxDataBlockSize;
}
protected void sendEndJobRequest() throws IOException
{
}
public static FileConnection getConnection(String system, String user, String password) throws IOException
{
return getConnection(false, system, user, password);
}
public static FileConnection getConnection(final boolean isSSL, String system, String user, String password) throws IOException
{
SignonConnection conn = SignonConnection.getConnection(isSSL, system, user, password);
try
{
return getConnection(isSSL, conn.getInfo(), user, password);
}
finally
{
conn.close();
}
}
public static FileConnection getConnection(SystemInfo info, String user, String password) throws IOException
{
return getConnection(false, info, user, password);
}
public static FileConnection getConnection(final boolean isSSL, SystemInfo info, String user, String password) throws IOException
{
return getConnection(isSSL, info, user, password, isSSL ? DEFAULT_SSL_FILE_SERVER_PORT : DEFAULT_FILE_SERVER_PORT);
}
public static FileConnection getConnection(SystemInfo info, String user, String password, int filePort) throws IOException
{
return getConnection(false, info, user, password, filePort);
}
public static FileConnection getConnection(final boolean isSSL, SystemInfo info, String user, String password, int filePort) throws IOException
{
if (filePort < 0 || filePort > 65535)
{
throw new IOException("Bad file port: "+filePort);
}
FileConnection conn = null;
Socket fileServer = isSSL? SSLSocketFactory.getDefault().createSocket(info.getSystem(), filePort) : new Socket(info.getSystem(), filePort);
InputStream in = fileServer.getInputStream();
OutputStream out = fileServer.getOutputStream();
try
{
HostOutputStream dout = new HostOutputStream(new BufferedOutputStream(out));
HostInputStream din = new HostInputStream(new BufferedInputStream(in));
String jobName = connect(info, dout, din, 0xE002, user, password);
sendExchangeAttributesRequest(dout);
dout.flush();
int length = din.readInt();
if (length < 22)
{
throw DataStreamException.badLength("fileExchangeAttributes", length);
}
din.skipBytes(16);
int rc = din.readShort();
if (rc != 0)
{
throw DataStreamException.badReturnCode("fileExchangeAttributes", rc);
}
int datastreamLevel = din.readShort();
din.skipBytes(2);
int maxDataBlockSize = din.readInt();
//int ccsidLL = din.readInt();
//int ccsidCP = din.readShort();
din.skipBytes(6);
int ccsid = din.readShort();
int remaining = length-38;
din.skipBytes(remaining);
conn = new FileConnection(info, fileServer, din, dout, ccsid, datastreamLevel, maxDataBlockSize, user, jobName);
return conn;
}
finally
{
if (conn == null)
{
in.close();
out.close();
fileServer.close();
}
}
}
/**
* Returns a list of files under the specified directory or file spec.
* For example, these all return the same file listing:
*
* - list("/home/smith")
* - list("/home/smith/*")
* - list("/home/smith/../smith")
*
**/
public List listFiles(String dir) throws IOException
{
if (dir.indexOf("*") < 0)
{
if (!dir.endsWith("/"))
{
dir = dir + "/*";
}
else
{
dir = dir + "*";
}
}
String parent = dir;
int slash = parent.lastIndexOf("/");
if (slash < 0)
{
parent = "";
}
else if (slash > 0)
{
parent = parent.substring(0,slash+1);
}
sendListFilesRequest(Conv.stringToUnicodeByteArray(dir));
out_.flush();
ArrayList files = new ArrayList();
int chain = 1;
while (chain != 0)
{
int length = in_.readInt();
if (length < 24)
{
throw DataStreamException.badLength("listFiles", length);
}
int headerID = in_.readShort();
int serverID = in_.readShort();
int csInstance = in_.readInt();
int correlationID = in_.readInt();
int templateLength = in_.readShort();
int reqRepID = in_.readShort();
chain = in_.readShort();
if (reqRepID == 0x8001)
{
int rc = in_.readShort();
int remaining = length-24;
in_.skipBytes(remaining);
if (rc != FileConstants.RC_NO_MORE_FILES)
{
throw DataStreamException.badReturnCode("listFiles", rc);
}
}
else if (reqRepID == 0x8005)
{
int numRead = 22;
long createDate = convertDate(in_);
long modifyDate = convertDate(in_);
long accessDate = convertDate(in_);
int fileSize = in_.readInt();
int fixedAttributes = in_.readInt();
int objectType = in_.readShort();
int numExtAttrs = in_.readShort();
int bytesEANames = in_.readInt();
int bytesEAValues = in_.readInt();
int version = in_.readInt();
int amountAccessed = in_.readShort();
int accessHistory = in_.readByte();
int fileCCSID = in_.readShort();
int checkoutCCSID = in_.readShort();
int restartID = in_.readInt();
long largeFileSize = in_.readLong();
in_.skipBytes(2);
int symlink = in_.readByte(); // 91
numRead = 92;
int fileNameLLOffset = 20 + templateLength;
int toSkip = fileNameLLOffset-numRead;
in_.skipBytes(toSkip);
numRead += toSkip;
int fileNameLength = in_.readInt()-6;
in_.skipBytes(2); // 0x0002 -- Name CP.
numRead += 6;
byte[] nameBuf = new byte[fileNameLength];
in_.readFully(nameBuf);
numRead += fileNameLength;
String name = Conv.unicodeByteArrayToString(nameBuf, 0, nameBuf.length);
if (!name.equals(".") && !name.equals(".."))
{
FileHandle h = FileHandle.createEmptyHandle();
h.setName(name);
h.setPath(parent+name);
h.setDataCCSID(fileCCSID);
h.setCreateDate(createDate);
h.setModifyDate(modifyDate);
h.setAccessDate(accessDate);
h.setSize(largeFileSize);
h.setVersion(version);
h.setSymlink(symlink == 1);
h.setDirectory(objectType == 2);
files.add(h);
}
int remaining = length-numRead;
in_.skipBytes(remaining);
}
else
{
int remaining = length-22;
in_.skipBytes(remaining);
throw DataStreamException.badReply("listFiles", reqRepID);
}
}
return files;
}
/**
* Returns a list of filenames under the specified directory or file spec.
* For example, these all return the same file listing:
*
* - list("/home/smith")
* - list("/home/smith/*")
* - list("/home/smith/../smith")
*
* To return more than just the names of files, use {@link #listFiles listFiles()}.
**/
public List list(String dir) throws IOException
{
// System.out.println("Server CCSID: "+getInfo().getServerCCSID());
if (dir.indexOf("*") < 0)
{
if (!dir.endsWith("/"))
{
dir = dir + "/*";
}
else
{
dir = dir + "*";
}
}
sendListFilesRequest(Conv.stringToUnicodeByteArray(dir));
out_.flush();
ArrayList files = new ArrayList();
int chain = 1;
while (chain != 0)
{
int length = in_.readInt();
if (length < 24)
{
throw DataStreamException.badLength("listFiles", length);
}
int headerID = in_.readShort();
int serverID = in_.readShort();
int csInstance = in_.readInt();
int correlationID = in_.readInt();
int templateLength = in_.readShort();
int reqRepID = in_.readShort();
chain = in_.readShort();
if (reqRepID == 0x8001)
{
int rc = in_.readShort();
int remaining = length-24;
in_.skipBytes(remaining);
if (rc != FileConstants.RC_NO_MORE_FILES)
{
throw DataStreamException.badReturnCode("listFiles", rc);
}
}
else if (reqRepID == 0x8005)
{
int numRead = 22;
/* long createDate = in_.readLong();
long modifyDate = in_.readLong();
long actual = ((modifyDate >> 32) & 0x00FFFFFFFFL)*1000L + ((modifyDate & 0x00FFFFFFFFL)/1000);
System.out.println(new java.util.Date(actual));
long accessDate = in_.readLong();
int fileSize = in_.readInt();
int fixedAttributes = in_.readInt();
int objectType = in_.readShort();
int numExtAttrs = in_.readShort();
int bytesEANames = in_.readInt();
int bytesEAValues = in_.readInt();
int version = in_.readInt();
int amountAccessed = in_.readShort();
int accessHistory = in_.readByte();
int fileCCSID = in_.readShort();
int checkoutCCSID = in_.readShort();
int restartID = in_.readInt();
long largeFileSize = in_.readLong();
in_.skipBytes(2);
int symlink = in_.readByte(); // 91
*/
in_.skipBytes(70);
numRead = 92;
int fileNameLLOffset = 20 + templateLength;
int toSkip = fileNameLLOffset-numRead;
in_.skipBytes(toSkip);
numRead += toSkip;
int fileNameLength = in_.readInt()-6;
in_.skipBytes(2); // 0x0002 -- Name CP.
numRead += 6;
byte[] nameBuf = new byte[fileNameLength];
in_.readFully(nameBuf);
numRead += fileNameLength;
String name = Conv.unicodeByteArrayToString(nameBuf, 0, nameBuf.length);
if (!name.equals(".") && !name.equals(".."))
{
files.add(name);
}
int remaining = length-numRead;
in_.skipBytes(remaining);
}
else
{
int remaining = length-22;
in_.skipBytes(remaining);
throw DataStreamException.badReply("listFiles", reqRepID);
}
}
return files;
}
private void sendListFilesRequest(byte[] dirnameUnicode) throws IOException
{
// 20 + 20 + 6 +
out_.writeInt(46+dirnameUnicode.length); // Length.
out_.writeShort(0); // Header ID.
out_.writeShort(0xE002); // Server ID.
out_.writeInt(0); // CS instance.
out_.writeInt(newCorrelationID()); // Correlation ID.
out_.writeShort(20); // Template length.
out_.writeShort(0x000A); // ReqRep ID.
out_.writeShort(0); // Chain indicator.
out_.writeInt(0); // File handle.
out_.writeShort(1200); // CCSID.
out_.writeInt(1); // Working dir handle.
out_.writeShort(0); // Check authority. 0=none required, 1=read required, 2=write requried, 4=exec required.
out_.writeShort(0xFFFF); // Maximum get count (-1 = no max).
out_.writeShort(0x0101); // File attribute list level (0x0101 = return 8-byte file size; 0x0001 = reserved flag).
out_.writeShort(1); // Pattern matching (POSIX=0, POSIX-all=1, OS/2=2).
out_.writeInt(dirnameUnicode.length+6); // Filename LL.
out_.writeShort(2); // Filename CP.
out_.write(dirnameUnicode);
}
/**
* Deletes the specified file.
**/
public int deleteFile(String filename) throws IOException
{
sendDeleteFileRequest(out_, Conv.stringToUnicodeByteArray(filename));
out_.flush();
int length = in_.readInt();
if (length < 24)
{
throw DataStreamException.badLength("deleteFile", length);
}
int headerID = in_.readShort();
int serverID = in_.readShort();
int csInstance = in_.readInt();
int correlationID = in_.readInt();
int templateLength = in_.readShort();
int reqRepID = in_.readShort();
in_.skipBytes(2);
if (reqRepID == 0x8001)
{
int rc = in_.readShort();
int remaining = length-24;
in_.skipBytes(remaining);
return rc;
}
else
{
int remaining = length-22;
in_.skipBytes(remaining);
throw DataStreamException.badReply("deleteFile", reqRepID);
}
}
/**
* Opens a file for read-write access, a share option of SHARE_ALL, and a data CCSID of 1208 (UTF-8).
**/
public int openFile(String filename, FileHandle buffer) throws IOException
{
return openFile(filename, buffer, FileHandle.OPEN_READ_WRITE, FileHandle.SHARE_ALL, true, 1208);
}
public int openFile(String filename, FileHandle buffer, int openType, int shareOption, boolean createIfNotExist, int dataCCSID) throws IOException
{
if (buffer.isOpen())
{
// Someone is re-using their buffer without closing the file!
//TODO closeFile(buffer);
}
sendOpenFileRequest(Conv.stringToUnicodeByteArray(filename), openType, shareOption, createIfNotExist, dataCCSID);
out_.flush();
int length = in_.readInt();
if (length < 24)
{
throw DataStreamException.badLength("openFile", length);
}
int headerID = in_.readShort();
int serverID = in_.readShort();
int csInstance = in_.readInt();
int correlationID = in_.readInt();
int templateLength = in_.readShort();
int reqRepID = in_.readShort();
in_.skipBytes(2);
int remaining = length-22;
int rc = 0;
if (reqRepID == 0x8001)
{
rc = in_.readShort();
remaining -= 2;
}
else if (reqRepID == 0x8002)
{
int handle = in_.readInt();
long id = in_.readLong();
dataCCSID = in_.readShort();
int actionTaken = in_.readShort();
long createDate = convertDate(in_);
long modifyDate = convertDate(in_);
long accessDate = convertDate(in_);
int fileSize = in_.readInt();
long actualFileSize = fileSize;
int fixedAttribs = in_.readInt();
int needExtAttribs = in_.readShort();
int numExtAttribs = in_.readShort();
int charsExtAttribsNames = in_.readInt();
int bytesExtAttribsValues = in_.readInt();
int version = in_.readInt();
int amountAccessed = in_.readShort();
int accessHistory = in_.readByte();
remaining -= 67;
if (length >= 97)
{
long largeFileSize = in_.readLong();
remaining -= 8;
actualFileSize = largeFileSize;
}
buffer.setOpen(true);
buffer.setOpenType(openType);
buffer.setName(filename);
buffer.setHandle(handle);
buffer.setID(id);
buffer.setDataCCSID(dataCCSID);
buffer.setCreateDate(createDate);
buffer.setModifyDate(modifyDate);
buffer.setAccessDate(accessDate);
buffer.setSize(actualFileSize);
buffer.setVersion(version);
}
else
{
in_.skipBytes(remaining);
throw DataStreamException.badReply("openFile", reqRepID);
}
in_.skipBytes(remaining-2);
return rc;
}
public int closeFile(FileHandle handle) throws IOException
{
if (!handle.isOpen())
{
// Someone is trying to close an already-closed handle!
//TODO
return -1;
}
sendCloseFileRequest(handle.getHandle());
out_.flush();
int length = in_.readInt();
if (length < 24)
{
throw DataStreamException.badLength("closeFile", length);
}
int headerID = in_.readShort();
int serverID = in_.readShort();
int csInstance = in_.readInt();
int correlationID = in_.readInt();
int templateLength = in_.readShort();
int reqRepID = in_.readShort();
in_.skipBytes(2);
int remaining = length-22;
if (reqRepID == 0x8001 || reqRepID == 0x8004)
{
int rc = in_.readShort();
in_.skipBytes(remaining-2);
return rc;
}
else
{
in_.skipBytes(remaining);
throw DataStreamException.badReply("closeFile", reqRepID);
}
}
public int readFile(FileHandle handle, byte[] buffer, int bufferOffset, int bufferLength) throws IOException
{
long currentOffset = handle.getOffset();
sendReadRequest(handle.getHandle(), currentOffset, bufferLength);
out_.flush();
int length = in_.readInt();
if (length < 24)
{
throw DataStreamException.badLength("readFile", length);
}
int headerID = in_.readShort();
int serverID = in_.readShort();
int csInstance = in_.readInt();
int correlationID = in_.readInt();
int templateLength = in_.readShort();
int reqRepID = in_.readShort();
int chain = in_.readShort(); //in_.skipBytes(2);
int numRead = 22;
int remaining = length-22;
int rc = 0;
int numToRead = -1;
if (reqRepID == 0x8001)
{
rc = in_.readShort();
remaining -= 2;
numRead += 2;
}
else if (reqRepID == 0x8003)
{
int ccsid = in_.readShort();
int dataLength = in_.readInt();
in_.skipBytes(2);
remaining -= 8;
int numBytes = dataLength-6;
numToRead = numBytes > length ? length : numBytes;
int numToSkip = numToRead >= numBytes ? 0 : numBytes-length;
in_.readFully(buffer, bufferOffset, numToRead);
in_.skipBytes(numToSkip);
handle.setOffset(currentOffset + numToRead);
remaining -= numBytes;
numRead += 6;
numRead += numToRead;
numRead += numToSkip;
}
else
{
in_.skipBytes(remaining);
numRead += remaining;
throw DataStreamException.badReply("readFile", reqRepID);
}
in_.skipBytes(remaining-2);
handle.setLastStatus(rc);
return numToRead;
}
/**
* Writes data to the file starting at the current file offset in the handle, and optionally sync-ing the data to disk;
* upon a successful write, the current file offset and size are incremented.
**/
public void writeFile(FileHandle handle, byte[] buffer, int bufferOffset, int bufferLength, boolean sync) throws IOException
{
long currentOffset = handle.getOffset();
sendWriteRequest(handle.getHandle(), currentOffset, buffer, bufferOffset, bufferLength, handle.getDataCCSID(), sync);
out_.flush();
int length = in_.readInt();
if (length < 24)
{
throw DataStreamException.badLength("writeFile", length);
}
int headerID = in_.readShort();
int serverID = in_.readShort();
int csInstance = in_.readInt();
int correlationID = in_.readInt();
int templateLength = in_.readShort();
int reqRepID = in_.readShort();
int chain = in_.readShort(); //in_.skipBytes(2);
int numRead = 22;
int rc = 0;
if (reqRepID == 0x8001)
{
rc = in_.readShort();
numRead += 2;
}
else if (reqRepID == 0x800B)
{
rc = in_.readShort();
int previousFileSize = in_.readInt();
int bytesNotWritten = in_.readInt();
numRead += 10;
handle.setOffset(currentOffset + (bufferLength-bytesNotWritten));
handle.setSize(handle.getSize() + (bufferLength-bytesNotWritten));
}
else
{
in_.skipBytes(length-numRead);
numRead = length;
throw DataStreamException.badReply("writeFile", reqRepID);
}
in_.skipBytes(length-numRead);
handle.setLastStatus(rc);
}
private void sendWriteRequest(int handle, long fileOffset, byte[] data, int dataOffset, int dataLength, int dataCCSID, boolean sync) throws IOException
{
if (datastreamLevel_ < 16 && fileOffset > 0x007FFFFFFFL)
{
throw new IOException("File offset too large: "+fileOffset);
}
final int templateLength = datastreamLevel_ < 16 ? 18 : 34;
out_.writeInt(26+templateLength+dataLength); // Length.
out_.writeShort(0); // Header ID.
out_.writeShort(0xE002); // Server ID.
out_.writeInt(0); // CS instance.
out_.writeInt(newCorrelationID()); // Correlation ID.
out_.writeShort(templateLength); // Template length.
out_.writeShort(0x0004); // ReqRep ID.
out_.writeShort(0); // Chain indicator.
out_.writeInt(handle); // File handle.
if (datastreamLevel_ < 16)
{
out_.writeInt(0); // Base offset.
out_.writeInt((int)fileOffset); // Relative offset.
}
else
{
out_.writeInt(0); // Base offset.
out_.writeInt(0); // Relative offset.
}
out_.writeShort(sync ? 3 : 2); // Data flags. 3=forceToStorage(sync),2=return immediately without sync.
out_.writeShort(dataCCSID); // Data CCSID.
if (datastreamLevel_ >= 16)
{
out_.writeLong(0); // Large base offset.
out_.writeLong(fileOffset); // Large relative offset.
}
out_.writeInt(dataLength+6); // Data LL.
out_.writeShort(0x0020); // Data CP.
out_.write(data, dataOffset, dataLength); // Data.
}
private void sendReadRequest(int handle, long fileOffset, int length) throws IOException
{
if (datastreamLevel_ < 16 && fileOffset > 0x007FFFFFFFL)
{
throw new IOException("File offset too large: "+fileOffset);
}
final int templateLength = datastreamLevel_ < 16 ? 22 : 38;
out_.writeInt(20+templateLength); // Length.
out_.writeShort(0); // Header ID.
out_.writeShort(0xE002); // Server ID.
out_.writeInt(0); // CS instance.
out_.writeInt(newCorrelationID()); // Correlation ID.
out_.writeShort(templateLength); // Template length.
out_.writeShort(0x0003); // ReqRep ID.
out_.writeShort(0); // Chain indicator.
out_.writeInt(handle); // File handle.
if (datastreamLevel_ < 16)
{
out_.writeInt(0); // Base offset.
out_.writeInt((int)fileOffset); // Relative offset.
}
else
{
out_.writeInt(0); // Base offset.
out_.writeInt(0); // Relative offset.
}
out_.writeInt(length); // Read length.
out_.writeInt(0); // Pre-read length.
if (datastreamLevel_ >= 16)
{
out_.writeLong(0); // Large base offset.
out_.writeLong(fileOffset); // Large relative offset.
}
}
// Only used to get the owner of a file. Boooo.
private void sendListAttributesOA1Request(int handle, int flags1, int flags2) throws IOException
{
out_.writeInt(54); // Length.
out_.writeShort(0); // Header ID.
out_.writeShort(0xE002); // Server ID.
out_.writeInt(0); // CS instance.
out_.writeInt(newCorrelationID()); // Correlation ID.
out_.writeShort(20); // Template length.
out_.writeShort(0x000A); // ReqRep ID.
out_.writeShort(0); // Chain indicator.
out_.writeInt(handle); // File handle.
out_.writeShort(0); // CCSID.
out_.writeInt(1); // Working dir handle.
out_.writeShort(0); // Check authority: 0=no auth required, 1=read required, 2=write required, 4=exec required.
out_.writeShort(0xFFFF); // Max get count.
out_.writeShort(0x42); // Use OA1 with open file handle.
out_.writeShort(0); // Pattern matching. 0=posix
out_.writeInt(14); // OA1 flags LL.
out_.writeShort(0x0010); // OA1 flags CP.
out_.writeInt(flags1); // OA1 flags1.
out_.writeInt(flags2); // OA1 flags2.
}
private void sendCloseFileRequest(int handle) throws IOException
{
out_.writeInt(41); // Length.
out_.writeShort(0); // Header ID.
out_.writeShort(0xE002); // Server ID.
out_.writeInt(0); // CS instance.
out_.writeInt(newCorrelationID()); // Correlation ID.
out_.writeShort(21); // Template length.
out_.writeShort(0x0009); // ReqRep ID.
out_.writeShort(0); // Chain indicator.
out_.writeInt(handle); // File handle.
out_.writeShort(2); // Data flags.
out_.writeShort(0xFFFF); // CCSID.
out_.writeShort(100); // Amount accessed.
out_.writeByte(0); // Access history.
out_.writeLong(0); // Modify date.
}
private void sendOpenFileRequest(byte[] filenameUnicode, int openType, int share, boolean create, int dataCCSID) throws IOException
{
final int templateLength = datastreamLevel_ < 16 ? 36 : 44;
out_.writeInt(26+templateLength+filenameUnicode.length); // Length.
out_.writeShort(0); // Header ID.
out_.writeShort(0xE002); // Server ID.
out_.writeInt(0); // CS instance.
out_.writeInt(newCorrelationID()); // Correlation ID.
out_.writeShort(templateLength); // Template length.
out_.writeShort(0x0002); // ReqRep ID.
out_.writeShort(0); // Chain indicator.
out_.writeShort(1200); // Filename CCSID.
out_.writeInt(1); // Working dir handle.
out_.writeShort(dataCCSID); // File data CCSID.
out_.writeShort(openType); // Access intent. 1=read, 2=write, 4=program load
out_.writeShort(share); // Share option. 0=all, 3=none, 2=read, 1=write.
out_.writeShort(0); // Data conversion. 0=none, 1=use client CCSID, 2=use server CCSID.
out_.writeShort(create ? 1 : 8); // Duplicate file option. 16=failIfNoExist+replaceIfExist, 8=failIfNoExist+openIfExist, 4=createOpenIfNoExist+failIfExist, 2=createOpenIfNoExist+replaceIfExist, 1=createOpenIfNoExist+openIfExist
out_.writeInt(0); // Create size.
out_.writeInt(0); // Fixed attributes.
out_.writeShort(1); // Attribute list level.
out_.writeInt(0); // Pre-read offset.
out_.writeInt(0); // Pre-read length.
if (datastreamLevel_ >= 16)
{
out_.writeLong(0); // Large create size.
}
out_.writeInt(filenameUnicode.length+6); // Filename LL.
out_.writeShort(2); // Filename CP.
out_.write(filenameUnicode);
}
private void sendDeleteFileRequest(HostOutputStream out, byte[] filenameUnicode) throws IOException
{
out.writeInt(34+filenameUnicode.length); // Length.
out.writeShort(0); // Header ID.
out.writeShort(0xE002); // Server ID.
out.writeInt(0); // CS instance.
out.writeInt(newCorrelationID()); // Correlation ID.
out.writeShort(8); // Template length.
out.writeShort(0x000C); // ReqRep ID.
out.writeShort(0); // Chain indicator.
out.writeShort(1200); // CCSID.
out.writeInt(1); // Working dir handle.
out.writeInt(filenameUnicode.length+6); // Filename LL.
out.writeShort(2); // Filename CP.
out.write(filenameUnicode);
}
private static void sendExchangeAttributesRequest(HostOutputStream out) throws IOException
{
out.writeInt(42); // Length.
out.writeShort(0); // Header ID.
out.writeShort(0xE002); // Server ID.
out.writeInt(0); // CS instance.
out.writeInt(0); // Correlation ID.
out.writeShort(10); // Template length.
out.writeShort(0x0016); // ReqRep ID.
out.writeShort(0); // Chain indicator.
out.writeShort(8); // Datastream level. V5R3 or higher.
out.writeShort(6); // Don't use posix return codes (8), use GMT (4), use PC pattern match (2).
out.writeInt(0xFFFFFFFF); // Max data block.
out.writeInt(12); // CCSID LL.
out.writeShort(10); // CCSID CP.
out.writeShort(1200); // Preferred CCSID UTF-16.
out.writeShort(13488); // Preferred CCSID UnicodeBig.
out.writeShort(61952); // Preferred CCSID old IFS UnicodeBig.
}
private static long convertDate(HostInputStream in) throws IOException
{
// The IFS format is 32-bit seconds, 32-bit milliseconds.
int seconds = in.readInt();
int microseconds = in.readInt();
long milliseconds = (seconds * 1000L) + (microseconds/1000);
return milliseconds;
}
}