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Add close() to tunnel, properly detach and close tunnel on error.

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This commit is contained in:
Michael Jumper
2011-07-12 15:18:44 -07:00
parent 88b186a856
commit 01c3c943d4
2 changed files with 35 additions and 3 deletions
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11
guacamole-common/src/main/java/net/sourceforge/guacamole/net/GuacamoleTunnel.java
View File

@@ -21,6 +21,7 @@ package net.sourceforge.guacamole.net;
import java.util.UUID;
import java.util.concurrent.locks.ReentrantLock;
import net.sourceforge.guacamole.GuacamoleException;
import net.sourceforge.guacamole.io.GuacamoleReader;
import net.sourceforge.guacamole.io.GuacamoleWriter;
@@ -127,4 +128,14 @@ public class GuacamoleTunnel {
return uuid;
}
/**
* Release all resources allocated to this GuacamoleTunnel.
*
* @throws GuacamoleException if an error occurs while releasing
* resources.
*/
public void close() throws GuacamoleException {
socket.close();
}
}

27
guacamole-common/src/main/java/net/sourceforge/guacamole/servlet/GuacamoleTunnelServlet.java
View File

@@ -190,10 +190,8 @@ public abstract class GuacamoleTunnelServlet extends HttpServlet {
// Detach tunnel and throw error if EOF (and we haven't sent any
// data yet.
char[] message = reader.read();
if (message == null) {
session.detachTunnel(tunnel);
if (message == null)
throw new GuacamoleException("Disconnected.");
}
// For all messages, until another stream is ready (we send at least one message)
do {
@@ -215,10 +213,28 @@ public abstract class GuacamoleTunnelServlet extends HttpServlet {
response.flushBuffer();
}
catch (GuacamoleException e) {
// Detach and close
session.detachTunnel(tunnel);
tunnel.close();
throw e;
}
catch (UnsupportedEncodingException e) {
// Detach and close
session.detachTunnel(tunnel);
tunnel.close();
throw new GuacamoleException("UTF-8 not supported by Java.", e);
}
catch (IOException e) {
// Detach and close
session.detachTunnel(tunnel);
tunnel.close();
throw new GuacamoleException("I/O error writing to servlet output stream.", e);
}
finally {
@@ -273,6 +289,11 @@ public abstract class GuacamoleTunnelServlet extends HttpServlet {
}
catch (IOException e) {
// Detach and close
session.detachTunnel(tunnel);
tunnel.close();
throw new GuacamoleException("I/O Error sending data to server: " + e.getMessage(), e);
}
finally {