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-rw-r--r--src/com/trilead/ssh2/channel/ChannelOutputStream.java9
-rw-r--r--src/de/mud/terminal/VDUBuffer.java51
-rw-r--r--src/de/mud/terminal/vt320.java34
-rw-r--r--src/org/connectbot/service/TerminalBridge.java58
4 files changed, 94 insertions, 58 deletions
diff --git a/src/com/trilead/ssh2/channel/ChannelOutputStream.java b/src/com/trilead/ssh2/channel/ChannelOutputStream.java
index 3fd7214..30e8fd8 100644
--- a/src/com/trilead/ssh2/channel/ChannelOutputStream.java
+++ b/src/com/trilead/ssh2/channel/ChannelOutputStream.java
@@ -13,20 +13,21 @@ public final class ChannelOutputStream extends OutputStream
{
Channel c;
+ private byte[] writeBuffer;
+
boolean isClosed = false;
ChannelOutputStream(Channel c)
{
this.c = c;
+ writeBuffer = new byte[1];
}
public void write(int b) throws IOException
{
- byte[] buff = new byte[1];
-
- buff[0] = (byte) b;
+ writeBuffer[0] = (byte) b;
- write(buff, 0, 1);
+ write(writeBuffer, 0, 1);
}
public void close() throws IOException
diff --git a/src/de/mud/terminal/VDUBuffer.java b/src/de/mud/terminal/VDUBuffer.java
index 269f57e..e8f6617 100644
--- a/src/de/mud/terminal/VDUBuffer.java
+++ b/src/de/mud/terminal/VDUBuffer.java
@@ -32,7 +32,7 @@ import java.util.Arrays;
* all methods to manipulate the buffer that stores characters and their
* attributes as well as the regions displayed.
*
- * @author Matthias L. Jugel, Marcus Mei�ner
+ * @author Matthias L. Jugel, Marcus Meißner
* @version $Id: VDUBuffer.java 503 2005-10-24 07:34:13Z marcus $
*/
public class VDUBuffer {
@@ -344,8 +344,8 @@ public class VDUBuffer {
if (n > (bottom - top)) n = (bottom - top);
int size = bottom - l - (n - 1);
if(size < 0) size = 0;
- cbuf = new char[size][width];
- abuf = new int[size][width];
+ cbuf = new char[size][];
+ abuf = new int[size][];
System.arraycopy(charArray, oldBase + l, cbuf, 0, bottom - l - (n - 1));
System.arraycopy(charAttributes, oldBase + l,
@@ -373,8 +373,8 @@ public class VDUBuffer {
bufSize += n;
}
- cbuf = new char[bufSize][width];
- abuf = new int[bufSize][width];
+ cbuf = new char[bufSize][];
+ abuf = new int[bufSize][];
} else {
offset = n;
cbuf = charArray;
@@ -482,15 +482,23 @@ public class VDUBuffer {
int bottom = (l > bottomMargin ? height - 1:
(l < topMargin?topMargin:bottomMargin + 1));
int numRows = bottom - l - 1;
+
+ char[] discardedChars = charArray[screenBase + l];
+ int[] discardedAttributes = charAttributes[screenBase + l];
+
if (numRows > 0) {
System.arraycopy(charArray, screenBase + l + 1,
charArray, screenBase + l, numRows);
System.arraycopy(charAttributes, screenBase + l + 1,
charAttributes, screenBase + l, numRows);
}
- charArray[screenBase + bottom - 1] = new char[width];
- Arrays.fill(charArray[screenBase + bottom - 1], ' ');
- charAttributes[screenBase + bottom - 1] = new int[width];
+
+ int newBottomRow = screenBase + bottom - 1;
+ charArray[newBottomRow] = discardedChars;
+ charAttributes[newBottomRow] = discardedAttributes;
+ Arrays.fill(charArray[newBottomRow], ' ');
+ Arrays.fill(charAttributes[newBottomRow], 0);
+
markLine(l, bottom - l);
}
@@ -510,15 +518,12 @@ public class VDUBuffer {
c = checkBounds(c, 0, width - 1);
l = checkBounds(l, 0, height - 1);
- char cbuf[] = new char[w];
- int abuf[] = new int[w];
-
- Arrays.fill(cbuf, ' ');
-
- for (int i = 0; i < w; i++) abuf[i] = curAttr;
+ int endColumn = c + w;
+ int targetRow = screenBase + l;
for (int i = 0; i < h && l + i < height; i++) {
- System.arraycopy(cbuf, 0, charArray[screenBase + l + i], c, w);
- System.arraycopy(abuf, 0, charAttributes[screenBase + l + i], c, w);
+ Arrays.fill(charAttributes[targetRow], c, endColumn, curAttr);
+ Arrays.fill(charArray[targetRow], c, endColumn, ' ');
+ targetRow++;
}
markLine(l, h);
}
@@ -535,19 +540,7 @@ public class VDUBuffer {
* @see #redraw
*/
public void deleteArea(int c, int l, int w, int h) {
- c = checkBounds(c, 0, width - 1);
- l = checkBounds(l, 0, height - 1);
-
- char cbuf[] = new char[w];
- int abuf[] = new int[w];
-
- Arrays.fill(cbuf, ' ');
-
- for (int i = 0; i < h && l + i < height; i++) {
- System.arraycopy(cbuf, 0, charArray[screenBase + l + i], c, w);
- System.arraycopy(abuf, 0, charAttributes[screenBase + l + i], c, w);
- }
- markLine(l, h);
+ deleteArea(c, l, w, h, 0);
}
/**
diff --git a/src/de/mud/terminal/vt320.java b/src/de/mud/terminal/vt320.java
index dd43528..0e92523 100644
--- a/src/de/mud/terminal/vt320.java
+++ b/src/de/mud/terminal/vt320.java
@@ -56,6 +56,13 @@ public abstract class vt320 extends VDUBuffer implements VDUInput {
public abstract void write(byte[] b);
/**
+ * Write an answer back to the remote host. This is needed to be able to
+ * send terminal answers requests like status and type information.
+ * @param b the array of bytes to be sent
+ */
+ public abstract void write(int b);
+
+ /**
* Play the beep sound ...
*/
public void beep() { /* do nothing by default */
@@ -511,6 +518,23 @@ public void setScreenSize(int c, int r, boolean broadcast) {
return true;
}
+ private boolean write(int s, boolean doecho) {
+ if (debug > 2) {
+ debugStr.append("write(|")
+ .append(s)
+ .append("|,")
+ .append(doecho);
+ debug(debugStr.toString());
+ debugStr.setLength(0);
+ }
+
+ write(s);
+
+ if (doecho)
+ putChar((char)s, false);
+ return true;
+ }
+
private boolean write(String s) {
return write(s, localecho);
}
@@ -958,20 +982,20 @@ public void setScreenSize(int c, int r, boolean broadcast) {
return;
}
if (alt) {
- write("" + ((char) (keyChar | 0x80)));
+ write(((char) (keyChar | 0x80)));
return;
}
if (((keyCode == KEY_ENTER) || (keyChar == 10))
&& !control) {
- write("\r", false);
+ write('\r');
if (localecho) putString("\r\n"); // bad hack
return;
}
if ((keyCode == 10) && !control) {
debug("Sending \\r");
- write("\r", false);
+ write('\r');
return;
}
@@ -981,7 +1005,7 @@ public void setScreenSize(int c, int r, boolean broadcast) {
// if(((!vms && keyChar == '2') || keyChar == '@' || keyChar == ' ')
// && control)
if (((!vms && keyChar == '2') || keyChar == ' ') && control)
- write("" + (char) 0);
+ write(0);
if (vms) {
if (keyChar == 127 && !control) {
@@ -1117,7 +1141,7 @@ public void setScreenSize(int c, int r, boolean broadcast) {
}
if (!((keyChar == 8) || (keyChar == 127) || (keyChar == '\r') || (keyChar == '\n'))) {
- write("" + keyChar);
+ write(keyChar);
return;
}
}
diff --git a/src/org/connectbot/service/TerminalBridge.java b/src/org/connectbot/service/TerminalBridge.java
index 3e89316..3cf0109 100644
--- a/src/org/connectbot/service/TerminalBridge.java
+++ b/src/org/connectbot/service/TerminalBridge.java
@@ -203,9 +203,6 @@ public class TerminalBridge implements VDUDisplay, OnKeyListener, InteractiveCal
final String encoding = host.getEncoding();
public void run() {
- final byte[] b = new byte[BUFFER_SIZE];
- final byte[] tmpBuff = new byte[BUFFER_SIZE];
-
final Charset charset = Charset.forName(encoding);
/* Set up character set decoder to report any byte sequences
@@ -223,9 +220,13 @@ public class TerminalBridge implements VDUDisplay, OnKeyListener, InteractiveCal
replacer.onUnmappableCharacter(CodingErrorAction.REPLACE);
replacer.onMalformedInput(CodingErrorAction.REPLACE);
- ByteBuffer bb;
+ ByteBuffer bb = ByteBuffer.allocate(BUFFER_SIZE);
CharBuffer cb = CharBuffer.allocate(BUFFER_SIZE);
+ final byte[] bba = bb.array();
+ final char[] cba = cb.array();
+ final byte[] tmpBuff = new byte[BUFFER_SIZE];
+
int n = 0;
int offset = 0;
@@ -240,9 +241,11 @@ public class TerminalBridge implements VDUDisplay, OnKeyListener, InteractiveCal
newConditions = session.waitForCondition(conditions, 0);
if ((newConditions & ChannelCondition.STDOUT_DATA) != 0) {
while (stdout.available() > 0) {
- n = offset + stdout.read(b, offset, BUFFER_SIZE - offset);
+ n = offset + stdout.read(bba, offset, BUFFER_SIZE - offset);
+
+ bb.position(0);
+ bb.limit(n);
- bb = ByteBuffer.wrap(b, 0, n);
CoderResult cr = cd.decode(bb, cb, true);
if (cr.isMalformed()) {
@@ -252,20 +255,22 @@ public class TerminalBridge implements VDUDisplay, OnKeyListener, InteractiveCal
/* There is good data before the malformed section, so
* pass this on immediately.
*/
- ((vt320)buffer).putString(cb.array(), 0, cb.position());
+ ((vt320)buffer).putString(cba, 0, cb.position());
}
while (bb.position() < n) {
- ByteBuffer replacebb = ByteBuffer.wrap(b, curpos, cr.length());
+ bb.position(curpos);
+ bb.limit(curpos + cr.length());
cb.clear();
- replacer.decode(replacebb, cb, true);
+ replacer.decode(bb, cb, true);
- ((vt320) buffer).putString(cb.array(), 0, cb.position());
+ ((vt320) buffer).putString(cba, 0, cb.position());
curpos += cr.length();
bb.position(curpos);
+ cb.limit(n);
cb.clear();
cr = cd.decode(bb, cb, true);
@@ -277,23 +282,23 @@ public class TerminalBridge implements VDUDisplay, OnKeyListener, InteractiveCal
*/
offset = n - bb.position() + cr.length();
if ((bb.position() - cr.length()) < offset) {
- System.arraycopy(b, bb.position() - cr.length(), tmpBuff, 0, offset);
- System.arraycopy(tmpBuff, 0, b, 0, offset);
+ System.arraycopy(bba, bb.position() - cr.length(), tmpBuff, 0, offset);
+ System.arraycopy(tmpBuff, 0, bba, 0, offset);
} else {
- System.arraycopy(b, bb.position() - cr.length(), b, 0, offset);
+ System.arraycopy(bba, bb.position() - cr.length(), bba, 0, offset);
}
Log.d(TAG, String.format("Copying out %d chars at %d: 0x%02x",
offset, bb.position() - cr.length(),
- b[bb.position() - cr.length()]
+ bba[bb.position() - cr.length()]
));
} else {
// After discarding the previous offset, we only have valid data.
- ((vt320)buffer).putString(cb.array(), 0, cb.position());
+ ((vt320)buffer).putString(cba, 0, cb.position());
offset = 0;
}
} else {
// No errors at all.
- ((vt320)buffer).putString(cb.array(), 0, cb.position());
+ ((vt320)buffer).putString(cba, 0, cb.position());
offset = 0;
}
@@ -304,11 +309,12 @@ public class TerminalBridge implements VDUDisplay, OnKeyListener, InteractiveCal
if ((newConditions & ChannelCondition.STDERR_DATA) != 0) {
while (stderr.available() > 0) {
- n = stderr.read(b);
- bb = ByteBuffer.wrap(b, 0, n);
+ n = stderr.read(bba);
+ bb.position(0);
+ bb.limit(n);
replacer.decode(bb, cb, false);
// TODO I don't know.. do we want this? We were ignoring it before
- Log.d(TAG, String.format("Read data from stderr: %s", new String(cb.array(), 0, cb.position())));
+ Log.d(TAG, String.format("Read data from stderr: %s", new String(cba, 0, cb.position())));
cb.clear();
}
}
@@ -405,6 +411,8 @@ public class TerminalBridge implements VDUDisplay, OnKeyListener, InteractiveCal
@Override
public void write(byte[] b) {}
@Override
+ public void write(int b) {}
+ @Override
public void sendTelnetCommand(byte cmd) {}
@Override
public void setWindowSize(int c, int r) {}
@@ -469,7 +477,17 @@ public class TerminalBridge implements VDUDisplay, OnKeyListener, InteractiveCal
if (b != null && stdin != null)
stdin.write(b);
} catch (IOException e) {
- Log.e(TAG, "Problem handling incoming data in vt320() thread", e);
+ Log.e(TAG, "Problem writing outgoing data in vt320() thread", e);
+ }
+ }
+
+ @Override
+ public void write(int b) {
+ try {
+ if (stdin != null)
+ stdin.write(b);
+ } catch (IOException e) {
+ Log.e(TAG, "Problem writing outgoing data in vt320() thread", e);
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-31 06:52:20 +0000