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Experimental improvement to client.

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This commit is contained in:
Michael Jumper
2010-09-06 13:41:11 -07:00
parent 2a2eb6ae39
commit df72c91b30
1 changed files with 30 additions and 19 deletions
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49
guacamole/client/src/net/sourceforge/guacamole/GuacamoleClient.java
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@@ -25,6 +25,8 @@ import java.net.Socket;
import java.io.InputStream;
import java.io.BufferedInputStream;
import java.io.Reader;
import java.io.InputStreamReader;
import net.sourceforge.guacamole.instruction.Instruction;
import net.sourceforge.guacamole.GuacamoleException;
@@ -34,13 +36,13 @@ import net.sourceforge.guacamole.event.PointerEvent;
public class GuacamoleClient extends Client {
private Socket sock;
private InputStream input;
private Reader input;
public GuacamoleClient(String hostname, int port) throws GuacamoleException {
try {
sock = new Socket(InetAddress.getByName(hostname), port);
input = new BufferedInputStream(sock.getInputStream());
input = new InputStreamReader(sock.getInputStream());
}
catch (IOException e) {
throw new GuacamoleException(e);
@@ -69,39 +71,48 @@ public class GuacamoleClient extends Client {
}
}
private StringBuilder instructionBuffer = new StringBuilder();
private int bufferPos = 0;
private char[] buffer = new char[20000];
public Instruction nextInstruction(boolean blocking) throws GuacamoleException {
try {
// While we're blocking, or input is available
while (blocking || input.available() > 0) {
while (blocking || input.ready()) {
int readChar = input.read();
if (readChar == -1)
int numRead = input.read(buffer, bufferPos, buffer.length - bufferPos);
if (numRead == -1)
return null;
// Add to buffer
instructionBuffer.append((char) readChar);
for (int i=bufferPos+numRead-1; i>=bufferPos; i--) {
// If end of instruction, return it.
if (readChar == ';') {
char readChar = buffer[i];
// Get instruction, reset buffer
final String instruction = instructionBuffer.toString();
instructionBuffer.setLength(0);
// If end of instruction, return it.
if (readChar == ';') {
// Return instruction string wrapped in Instruction class
return new Instruction() {
// Get instruction
final String instruction = new String(buffer, 0, i+1);
public String toString() {
return instruction;
}
// Reset buffer
bufferPos = bufferPos + numRead - i - 1;
System.arraycopy(buffer, i+1, buffer, 0, bufferPos);
// Return instruction string wrapped in Instruction class
return new Instruction() {
public String toString() {
return instruction;
}
};
}
};
}
bufferPos += numRead;
} // End read loop
}