public String GetReceiverInfo() {
Lock();
String lcName = "";
String lcLang = "";
write(Header.PT_GETSYSINFO);
try {
byte[] laFlags = new byte[5];
readbyte(laFlags);
byte[] laLang = new byte[3];
readbyte(laLang);
lcName = readstring();
ack();
} catch (IOException e) {
e.printStackTrace();
} finally {
Unlock();
}
return lcName;
}
/**
* @param DvrFile poFile
* @param OutputStream poWrite Lese Datenströme im Single File Streaming Format mit statischer
* Chunk größe
* @throws InterruptedException
*/
private void readstream_singlepart(BufferedOutputStream poWrite)
throws IOException, InterruptedException {
int lnChunkSize = 0, lnBytes = 0;
byte[] laBuffer = null;
byte lbRead = 0;
int lnUnknown = readint();
int lnFileSize = readint();
int lnReadSize = 0;
lnChunkSize = readint();
laBuffer = new byte[lnChunkSize];
do {
lbRead = readbyte();
if (lbRead >= 0) {
readskip(3);
lnReadSize = lnFileSize - lnBytes > lnChunkSize ? lnChunkSize : lnFileSize - lnBytes;
readbyte(laBuffer, 0, lnReadSize);
poWrite.write(laBuffer, 0, lnReadSize);
lnBytes += lnChunkSize;
} else resumeread(lbRead);
} while (lnBytes < lnFileSize);
readbyte(laBuffer, 0, lnChunkSize - lnReadSize);
poWrite.close();
}
private String readstring() throws IOException {
byte lnFieldLen = readbyte();
if (lnFieldLen > 0) {
byte[] laField = new byte[lnFieldLen & 0xff];
int lnStartPos = 0;
readbyte(laField);
switch (laField[0]) {
case 0x05:
case 0x0b:
lnStartPos = 1;
break;
}
return new String(laField, lnStartPos, laField.length - lnStartPos, "CP1252");
} else return "";
}
private void readbyte(byte[] paData) throws IOException {
readbyte(paData, 0, paData.length);
}
/*
* Download a File from the Reciever to the
* Destination File specified in pcDstFile
*/
public boolean Download(DvrFile poFile, String pcDstFile) {
/*
* Parameter Checks
*/
if (pcDstFile.endsWith("/")) {
pcDstFile = pcDstFile + poFile.getUniqueFileName();
}
String lcPostCopyAction = Props.Get("POSTCOPYSCRIPT");
int lnPostCopyThreads = Integer.parseInt(Props.Get("POSTCOPYTHREADCOUNT"));
boolean lbStartDownload = false;
boolean lbPostCopyAction = false;
boolean lbReturn = false;
if (lcPostCopyAction.equals("")) {
Lock();
} else {
lbPostCopyAction = true;
do {
Lock();
if (m_nActivePostCopyThreads < lnPostCopyThreads) {
m_nActivePostCopyThreads++;
lbStartDownload = true;
} else {
Unlock();
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
} while (!lbStartDownload);
}
/*
* Socket Streams
*/
ByteArrayOutputStream loSocketWriteLow = new ByteArrayOutputStream();
DataOutputStream loSocketWrite = new DataOutputStream(loSocketWriteLow);
String laDstFiles[];
try {
Logfile.Write("Copy File " + poFile.getFileName() + " to " + pcDstFile);
if (poFile.m_nType == 1) {
write(new byte[] {Header.PT_GETFILE_BYNAME, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0});
readbyte();
write(poFile.m_oParent.m_cRemoteName.getBytes("CP1252"));
readbyte();
ping();
write(poFile.getFileName().getBytes("CP1252"));
readbyte();
laDstFiles = new String[] {pcDstFile};
readstream_singlepart(createdstfile(pcDstFile));
} else {
loSocketWrite.writeByte(Header.PT_GETFILE_BYRECNO); // Download Command;
loSocketWrite.writeShort(poFile.getIndex()); // File Index
loSocketWrite.writeLong(0); // Start Position (maybe!!)
write(loSocketWriteLow.toByteArray()); // Send Message to DVR
byte lbResponse = readbyte();
long lnFileSize = readlong();
byte lbFileCount = readbyte();
BufferedOutputStream[] laWrite = new BufferedOutputStream[lbFileCount];
laDstFiles = new String[lbFileCount];
for (int i = 0; i < laWrite.length; i++) {
byte lbFileNo = readbyte();
laDstFiles[i] = pcDstFile + "." + readstring().toLowerCase();
laWrite[lbFileNo] = createdstfile(laDstFiles[i]);
}
write(Header.PT_ACK);
readstream_multipart(laWrite);
}
Logfile.Write("Transfer Complete");
if (lbPostCopyAction) {
PostCopy loPostCopy = new PostCopy(lcPostCopyAction, poFile, laDstFiles[0], this);
loPostCopy.start();
}
lbReturn = true;
} catch (IOException e) {
e.printStackTrace();
} catch (Exception e) {
e.printStackTrace();
} finally {
Unlock();
}
return lbReturn;
}
public void OpenDir(DvrDirectory poDir) {
if (poDir.m_bIsOpen) return;
Lock();
try {
Calendar loCalendar = Calendar.getInstance(TimeZone.getTimeZone("GMT"));
byte[] laGetDir = new byte[] // Command
{Header.PT_GETDIR, 0, (byte) (poDir.m_oParent == null ? 0 : 1)};
write(laGetDir); // Send
readack();
if (poDir.m_oParent != null) {
write(poDir.m_cRemoteName);
readbyte();
ping();
}
short lnAnzElements = readshort();
short lnIndex = 0;
String lcFileName = "";
long lnSize = 0;
int lnTimeStamp = 0;
while (lnAnzElements > 0) {
loCalendar.set(1999, 12, 01, 00, 00, 00);
byte lbType = readbyte();
byte lbIsDir = 0;
switch (lbType) {
case 0: // Directory
lbIsDir = readbyte();
lcFileName = readstring();
poDir.m_oDirectorys.add(new DvrDirectory(poDir, lcFileName, lcFileName, null));
break;
case 1: // Binary
lcFileName = readstring();
lnSize = readlong();
lnTimeStamp = readint();
loCalendar.add(Calendar.SECOND, lnTimeStamp);
poDir.m_oFiles.add(
new DvrFile(poDir, lcFileName, lnSize, (short) -1, lbType, loCalendar.getTime()));
break;
case 3: // TS Radio
case 4: // TS File Record SD Quality
case 7: // TS File Record HD Quality
lbIsDir = readbyte();
lnIndex = readbyte();
lcFileName = readstring();
lnSize = readlong();
lnTimeStamp = readint();
loCalendar.add(Calendar.SECOND, lnTimeStamp);
poDir.m_oFiles.add(
new DvrFile(poDir, lcFileName, lnSize, lnIndex, lbType, loCalendar.getTime()));
break;
case 9: // USB Memory Stick
lbIsDir = readbyte();
String lcDescription = readstring();
String lcName = readstring();
poDir.m_oDirectorys.add(
new DvrDirectory(poDir, lcName, lcName.substring(1), lcDescription));
break;
default:
throw new IOException("Unknown RecordType " + lbType);
}
lnAnzElements--;
}
} catch (IOException e) {
e.printStackTrace();
} finally {
Unlock();
}
poDir.m_bIsOpen = true;
}
private void readskip(int i) throws IOException {
byte[] laSkip = new byte[i];
readbyte(laSkip);
}