public void run(int portNumber) {
try {
listen(portNumber);
} catch (IOException ex) {
Ganymede.logError(ex);
}
}
/** This DBObjectDeltaRec constructor is used to load a delta record from a Journal stream. */
public DBObjectDeltaRec(DataInput in) throws IOException {
short fieldcode;
short typecode;
boolean scalar;
DBObjectBase baseDef;
DBObjectBaseField fieldDef;
String fieldName = null;
String status = null;
DBObject obj = null;
/* -- */
status = "Reading invid";
boolean debug = true;
try {
invid = Invid.createInvid(in);
baseDef = Ganymede.db.getObjectBase(invid.getType());
obj = Ganymede.db.viewDBObject(invid);
if (debug) {
System.err.println(
"\n>*> Reading delta rec for " + baseDef.getName() + " <" + invid.getNum() + ">");
}
status = "Reading field count";
int fieldcount = in.readInt();
if (debug) {
System.err.println(
">> DBObjectDeltaRec(): " + fieldcount + " fields in on-disk delta rec.");
}
for (int i = 0; i < fieldcount; i++) {
status = "\nReading field code for field " + i;
if (debug) {
System.err.println(status);
}
fieldcode = in.readShort();
fieldDef = (DBObjectBaseField) baseDef.getField(fieldcode);
typecode = fieldDef.getType();
fieldName = fieldDef.getName();
status = "Reading deletion boolean for field " + i;
if (in.readBoolean()) {
// we're deleting this field
if (debug) {
System.err.println(
"Reading field deletion record field ("
+ fieldName
+ ":"
+ fieldcode
+ ") for field "
+ i);
}
fieldRecs.addElement(new fieldDeltaRec(fieldcode, null));
continue;
}
// okay, we've got a field redefinition.. check the type
// code to make sure we don't have an incompatible journal
// entry
status = "Reading type code for field " + i;
if (in.readShort() != typecode) {
throw new RuntimeException("Error, field type mismatch in journal file");
}
// ok.. now, is it a total redefinition, or a vector delta record?
status = "Reading scalar/vector delta boolean for field " + i;
scalar = in.readBoolean();
if (scalar) {
fieldDeltaRec f_r = null;
status = "Reading field (" + fieldName + ":" + fieldcode + ") for field " + i;
if (debug) {
System.err.println(status);
}
f_r = new fieldDeltaRec(fieldcode, DBField.readField(obj, in, fieldDef));
fieldRecs.addElement(f_r);
if (debug) {
System.err.println("Value: " + f_r.toString());
}
} else {
// ok, we have a vector delta chunk
fieldDeltaRec fieldRec = new fieldDeltaRec(fieldcode);
Object value = null;
// read in the additions
status = "Reading vector addition count for field " + fieldName + "(" + i + ")";
if (debug) {
System.err.println(status);
}
int size = in.readInt();
if (debug) {
System.err.println(">> DBObjectDeltaRec(): reading " + size + " additions.");
}
for (int j = 0; j < size; j++) {
// we only support 3 vector field types
switch (typecode) {
case STRING:
status = "Reading string addition " + j + " for field " + i + ":" + fieldName;
if (debug) {
System.err.println(status);
}
value = in.readUTF();
break;
case INVID:
status = "Reading invid addition " + j + " for field " + i + ":" + fieldName;
if (debug) {
System.err.println(status);
}
value = Invid.createInvid(in);
break;
case IP:
status = "Reading ip addition " + j + " for field " + i + ":" + fieldName;
if (debug) {
System.err.println(status);
}
byte bytelength = in.readByte();
Byte[] bytes = new Byte[bytelength];
for (int k = 0; k < bytelength; k++) {
bytes[k] = Byte.valueOf(in.readByte());
}
value = bytes;
}
fieldRec.addValue(value);
}
// read in the deletions
status = "Reading vector deletion count for field " + i;
if (debug) {
System.err.println(status);
}
size = in.readInt();
if (debug) {
System.err.println(">> DBObjectDeltaRec(): reading " + size + " deletions.");
}
for (int j = 0; j < size; j++) {
// we only support 3 vector field types
switch (typecode) {
case STRING:
status = "Reading string deletion " + j + " for field " + i + ":" + fieldName;
value = in.readUTF();
break;
case INVID:
status = "Reading invid deletion " + j + " for field " + i + ":" + fieldName;
value = Invid.createInvid(in);
break;
case IP:
status = "Reading IP deletion " + j + " for field " + i + ":" + fieldName;
byte bytelength = in.readByte();
Byte[] bytes = new Byte[bytelength];
for (int k = 0; k < bytelength; k++) {
bytes[k] = Byte.valueOf(in.readByte());
}
value = bytes;
}
fieldRec.delValue(value);
}
// and save this field
fieldRecs.addElement(fieldRec);
}
}
} catch (IOException ex) {
System.err.println("DBObjectDeltaRec constructor: IOException in state " + status);
Ganymede.logError(ex);
throw ex;
}
}
/**
* This method is used to remove a Category Node from under us.
*
* @see arlut.csd.ganymede.rmi.Category
*/
public synchronized void removeNode(CategoryNode node) throws RemoteException {
int i, index = -1;
/* -- */
if (node == null) {
throw new IllegalArgumentException("Can't remove a null node");
}
// find our deletion point
if (debug) {
try {
Ganymede.debug("DBBaseCategory (" + getName() + ").removeNode(" + node.getPath() + ")");
} catch (RemoteException ex) {
Ganymede.logError(ex);
throw new RuntimeException("rmi local failure?" + ex.getMessage());
}
}
for (i = 0; i < contents.size(); i++) {
if (debug) {
try {
Ganymede.debug(" examining: " + ((CategoryNode) contents.elementAt(i)).getPath());
} catch (RemoteException ex) {
Ganymede.logError(ex);
throw new RuntimeException("rmi local failure?" + ex.getMessage());
}
}
if (contents.elementAt(i).equals(node)) {
index = i;
}
}
if (index == -1) {
throw new IllegalArgumentException("can't delete a node that's not in the category");
}
// remove our node from our content list
contents.removeElementAt(index);
if (false) {
if (node instanceof DBObjectBase) {
DBObjectBase base = (DBObjectBase) node;
if (!base.isEditing()) {
System.err.println(
"DBBaseCategory.removeNode(): " + base.getName() + " has a null editor!");
} else {
System.err.println(
"DBBaseCategory.removeNode(): " + base.getName() + " has a non-null editor!");
}
}
}
// Sorry, kid, yer on your own now!
node.setCategory(null);
}
/**
* This method can be used to move a Category from another Category to this Category, or to move a
* Category around within this Category.
*
* @param catPath the fully specified path of the node to be moved
* @param prevNodeName the name of the node that the catPath node is to be placed after in this
* category, or null if the node is to be placed at the first element of this category
* @see arlut.csd.ganymede.rmi.Category
*/
public synchronized void moveCategoryNode(String catPath, String prevNodeName) {
if (debug) {
System.err.println("DBBaseCategory.moveCategoryNode(" + catPath + "," + prevNodeName + ")");
}
CategoryNode categoryNode;
DBBaseCategory oldCategory;
try {
categoryNode = editor.getCategoryNode(catPath);
oldCategory = (DBBaseCategory) categoryNode.getCategory();
} catch (RemoteException ex) {
Ganymede.logError(ex);
throw new RuntimeException("wow, surprising remote local exception");
}
if (oldCategory == this) {
if (debug) {
System.err.println("DBBaseCategory.moveCategoryNode(): moving node within category");
}
contents.removeElement(categoryNode);
} else {
if (debug) {
System.err.println(
"DBBaseCategory.moveCategoryNode(): moving node from "
+ oldCategory.getPath()
+ " to "
+ getPath());
}
try {
oldCategory.removeNode(categoryNode);
} catch (RemoteException ex) {
throw new RuntimeException("Local category threw a remote exception.. ? " + ex);
}
}
try {
categoryNode.setCategory(this);
} catch (RemoteException ex) {
throw new RuntimeException("Local category node threw a remote exception.. ? " + ex);
}
if (prevNodeName == null) {
contents.insertElementAt(categoryNode, 0);
} else {
for (int i = 0; i < contents.size(); i++) {
CategoryNode cNode = (CategoryNode) contents.elementAt(i);
try {
if (cNode.getName().equals(prevNodeName)) {
contents.insertElementAt(categoryNode, i + 1);
return;
}
} catch (RemoteException ex) {
}
}
throw new RuntimeException(
"Couldn't move category node " + catPath + " after non-existent " + prevNodeName);
}
}
public void run() {
try {
OutputStream rawOutput = socket.getOutputStream();
InputStream rawInput = socket.getInputStream();
PrintWriter out = new PrintWriter(rawOutput, true);
BufferedReader in = new BufferedReader(new InputStreamReader(rawInput));
String inputLine, outputLine;
/* Check to make sure that this telnet session is from localhost */
InetAddress clientAddress = socket.getInetAddress();
if (!clientAddress.equals(java.net.InetAddress.getByName(Ganymede.serverHostProperty))
&& !clientAddress.getHostAddress().equals("127.0.0.1")) {
// Permission denied
out.println(ts.l("run.denied_not_localhost"));
out.flush();
socket.close();
return;
}
/* Check to see if logins are allowed */
String error = Ganymede.server.lSemaphore.increment();
if (error != null) {
if (error.equals("shutdown")) {
// "ERROR: The server is currently waiting to shut down. No logins will be accepted until
// the server has restarted"
out.print(ts.l("run.nologins_shutdown"));
} else {
// "ERROR: Can't log in to the Ganymede server.. semaphore disabled: {0}"
out.print(ts.l("run.nologins_semaphore", error));
}
out.print("\n");
out.flush();
socket.close();
return;
}
try {
// "Username"
out.print(ts.l("run.username"));
out.print(": ");
out.flush();
String loginName = in.readLine();
/* Telnet terminal codes */
/* IAC WILL ECHO */
byte[] echoOff = {(byte) 255, (byte) 251, (byte) 1};
/* IAC DO ECHO */
byte[] echoOffResponse = {(byte) 255, (byte) 253, (byte) 1};
/* IAC WONT ECHO */
byte[] echoOn = {(byte) 255, (byte) 252, (byte) 1};
/* IAC DONT ECHO */
byte[] echoOnResponse = {(byte) 255, (byte) 254, (byte) 1};
/* Holds the client response to each terminal code */
byte[] responseBuffer = new byte[3];
// "Password"
out.print(ts.l("run.password"));
out.print(": ");
out.flush();
/* Disable client-side character echo while the user types in
* the password */
rawOutput.write(echoOff);
rawOutput.flush();
int chars_read = 0;
while (chars_read < 3) {
chars_read += rawInput.read(responseBuffer, chars_read, 3 - chars_read);
}
if (!Arrays.equals(responseBuffer, echoOffResponse)) {
out.print("Your telnet client won't properly suppress character echo.");
out.flush();
socket.close();
return;
}
String password = in.readLine();
/* Now re-enable client-side character echo so we can conduct
* business as usual */
rawOutput.write(echoOn);
rawOutput.flush();
chars_read = 0;
while (chars_read < 3) {
chars_read += rawInput.read(responseBuffer, chars_read, 3 - chars_read);
}
if (!Arrays.equals(responseBuffer, echoOnResponse)) {
out.print("Your telnet client won't properly resume character echo.");
out.flush();
socket.close();
return;
}
/* Authenticate the user */
int validationResult = Ganymede.server.validateAdminUser(loginName, password);
/* A result of 3 means that this user has interpreter access
* privileges. Anything else means that we give 'em the boot. */
if (validationResult != 3) {
try {
Thread.currentThread().sleep(3000);
} catch (InterruptedException ex) {
/* Move along */
}
// "Permission denied."
out.print(ts.l("run.denied"));
out.print("\n");
out.flush();
socket.close();
return;
}
/* Send the HELO */
outputLine = protocol.processInput(null);
out.print(outputLine);
out.flush();
/* Setup the interpreter session variable */
protocol.createSession(loginName);
/* Here is the read-eval-print loop */
while ((inputLine = in.readLine()) != null) {
outputLine = protocol.processInput(inputLine);
out.print(outputLine);
out.flush();
if (outputLine.equals(JythonServerProtocol.doneString)) break;
}
out.close();
in.close();
socket.close();
} finally {
Ganymede.server.lSemaphore.decrement();
/* Make sure to register the logout */
try {
protocol.session.logout();
} catch (Exception e) {
Ganymede.logError(e); // Move along
}
}
} catch (IOException e) {
Ganymede.logError(e);
}
}
