diff options
Diffstat (limited to 'java/JACE/ASX')
| -rw-r--r-- | java/JACE/ASX/IOCntlCmds.java | 38 | ||||
| -rw-r--r-- | java/JACE/ASX/IOCntlMsg.java | 124 | ||||
| -rw-r--r-- | java/JACE/ASX/MessageBlock.java | 447 | ||||
| -rw-r--r-- | java/JACE/ASX/MessageQueue.java | 633 | ||||
| -rw-r--r-- | java/JACE/ASX/MessageType.java | 102 | ||||
| -rw-r--r-- | java/JACE/ASX/Module.java | 246 | ||||
| -rw-r--r-- | java/JACE/ASX/Stream.java | 436 | ||||
| -rw-r--r-- | java/JACE/ASX/StreamHead.java | 123 | ||||
| -rw-r--r-- | java/JACE/ASX/StreamTail.java | 114 | ||||
| -rw-r--r-- | java/JACE/ASX/Task.java | 443 | ||||
| -rw-r--r-- | java/JACE/ASX/TaskFlags.java | 49 | ||||
| -rw-r--r-- | java/JACE/ASX/ThruTask.java | 44 | ||||
| -rw-r--r-- | java/JACE/ASX/TimeValue.java | 296 | ||||
| -rw-r--r-- | java/JACE/ASX/TimedWait.java | 157 | ||||
| -rw-r--r-- | java/JACE/ASX/TimeoutException.java | 37 | ||||
| -rw-r--r-- | java/JACE/ASX/package.html | 11 |
16 files changed, 0 insertions, 3300 deletions
diff --git a/java/JACE/ASX/IOCntlCmds.java b/java/JACE/ASX/IOCntlCmds.java deleted file mode 100644 index 3cc7c76256d..00000000000 --- a/java/JACE/ASX/IOCntlCmds.java +++ /dev/null @@ -1,38 +0,0 @@ -/************************************************* - * - * = PACKAGE - * JACE.ASX - * - * = FILENAME - * TaskFlags.java - * - *@author Prashant Jain - * - *************************************************/ -package JACE.ASX; - -/** - * Constants used for IOCTL messages. - * - *@see JACE.ASX.IOCntlMsg - */ -public abstract class IOCntlCmds -{ - /** Set the low water mark. */ - public static final int SET_LWM = 1; - - /** Get the low water mark. */ - public static final int GET_LWM = 2; - - /** Set the high water mark. */ - public static final int SET_HWM = 3; - - /** Get the high water mark. */ - public static final int GET_HWM = 4; - - /** Link modules */ - public static final int MOD_LINK = 5; - - /** Unlink modules */ - public static final int MOD_UNLINK = 6; -} diff --git a/java/JACE/ASX/IOCntlMsg.java b/java/JACE/ASX/IOCntlMsg.java deleted file mode 100644 index 4eea18b36f6..00000000000 --- a/java/JACE/ASX/IOCntlMsg.java +++ /dev/null @@ -1,124 +0,0 @@ -/************************************************* - * - * = PACKAGE - * JACE.ASX - * - * = FILENAME - * IOCntlMsg.java - * - *@author Prashant Jain - * - *************************************************/ -package JACE.ASX; - -import JACE.OS.*; - -/** - * Data format for IOCTL messages. - */ -public class IOCntlMsg -{ - - // = Initialization method. - - /* - * Initialize the control message. - *@param c IOCntlCmd for the control message. Note that this should - * be of type IOCntlCmds - */ - public IOCntlMsg (int c) - { - this.cmd_ = c; - } - - // = Get/set methods - - /* - * Get the command. - *@return the command. - */ - public int cmd () - { - return this.cmd_; - } - - /* - * Set the command. - *@param c the command. - */ - public void cmd (int c) - { - this.cmd_ = c; - } - - /* - * Get the count. - *@return the count. - */ - public int count () - { - return this.count_; - } - - /* - * Set the count. - *@param c the count. - */ - public void count (int c) - { - this.count_ = c; - } - - /* - * Get the error. - *@return the error. - */ - public int error () - { - return this.error_; - } - - /* - * Set the error. - *@param e the error. - */ - public void error (int e) - { - this.error_ = e; - } - - /* - * Get the return value. - *@return the return value. - */ - public int rval () - { - return this.rval_; - } - - /* - * Set the return value. - *@param r the return value. - */ - public void rval (int r) - { - this.rval_ = r; - } - - public String toString () - { - return (new Integer (this.cmd_)).toString (); - } - - private int cmd_; - // Command. - - private int count_; - // Count. - - private int error_; - // Error. - - private int rval_; - // Return value -} diff --git a/java/JACE/ASX/MessageBlock.java b/java/JACE/ASX/MessageBlock.java deleted file mode 100644 index 4035e34a7bd..00000000000 --- a/java/JACE/ASX/MessageBlock.java +++ /dev/null @@ -1,447 +0,0 @@ -/************************************************* - * - * = PACKAGE - * JACE.ASX - * - * = FILENAME - * MessageBlock.java - * - *@author Prashant Jain - * - *************************************************/ -package JACE.ASX; - -import JACE.OS.*; - -/** - * Object used to store messages in the ASX framework.<P> - * - * <tt>MessageBlock</tt> is modeled after the message data structures - * used in System V STREAMS. A <tt>MessageBlock</tt> is composed of - * one or more <tt>MessageBlock</tt>s that are linked together by - * <em>PREV</em> and <em>NEXT</em> pointers. In addition, a - * <tt>MessageBlock</tt> may also be linked to a chain of other - * <tt>MessageBlock</tt>s. This structure enables efficient manipulation - * of arbitrarily-large messages <em>without</em> incurring memory - * copying overhead. - * - *@see MessageQueue - */ -public class MessageBlock -{ - /** - * Create an empty Message Block - */ - public MessageBlock () - { - this (0); - } - - /** - * Create an empty Message Block. - * Note that this assumes that type of MessageBlock is MB_DATA. - *@param size size of the Message Block to create. - */ - public MessageBlock (int size) - { - // Note the explicit cast toString() is needed. For some strange - // reason, it fails otherwise if size == 0. - this ((new StringBuffer (size)).toString ()); - } - - /** - * Create a Message Block. Note that this assumes that type of - * MessageBlock is MB_DATA. - *@param data initial data to create a Message Block with. - */ - public MessageBlock (String data) - { - this (MessageType.MB_DATA, - null, - data); - } - - /** - * Create a Message Block. - *@param type type of the Message Block (must be one of those - * specified in class Message Type) - *@param cont next block of data - *@param data initial data to create Message Block with - */ - public MessageBlock (int type, - MessageBlock cont, - String data) - { - this.flags_ = 0; - this.priority_ = 0; - this.next_ = null; - this.prev_ = null; - - this.init (type, cont, data); - } - - /** - * Create a Message Block. Note that this assumes that type of - * MessageBlock is MB_OBJECT. - *@param obj initial object to create a Message Block with. - */ - public MessageBlock (Object obj) - { - this (MessageType.MB_OBJECT, - null, - obj); - } - - /** - * Create a Message Block. - *@param type type of the Message Block (must be one of those - * specified in class Message Type) - *@param cont next block of data - *@param obj initial object to create Message Block with - */ - public MessageBlock (int type, - MessageBlock cont, - Object obj) - { - this.init (type, cont, obj); - } - - /* Initialize the Message Block - *@param data data to initialize Message Block with - */ - public void init (String data) - { - this.base_ = new StringBuffer (data); - } - - /** - * Initialize a Message Block. - *@param type type of the Message Block (must be one of those - * specified in class Message Type) - *@param cont next block of data - *@param data data to initialize Message Block with - */ - public void init (int msgType, - MessageBlock msgCont, - String data) - { - if (data.length () == 0) - this.base_ = new StringBuffer (0); - else - this.base_ = new StringBuffer (data); - this.type_ = msgType; - this.cont_ = msgCont; - } - - /** - * Initialize a Message Block. Note that this assumes that type of - * MessageBlock is MB_OBJECT. - *@param obj initial object to initialize a Message Block with. - */ - public void init (Object obj) - { - this.init (MessageType.MB_OBJECT, null, obj); - } - - /** - * Initialize a Message Block. - *@param type type of the Message Block (must be one of those - * specified in class Message Type) - *@param cont next block of data - *@param obj object to initialize Message Block with - */ - public void init (int msgType, - MessageBlock msgCont, - Object obj) - { - this.obj_ = obj; - this.type_ = msgType; - this.cont_ = msgCont; - this.flags_ = 0; - this.priority_ = 0; - this.next_ = null; - this.prev_ = null; - } - - /** - * Set message flags. Note that the flags will be set on top of - * already set flags. - *@param moreFlags flags to set for the Message Block. - */ - public long setFlags (long moreFlags) - { - // Later we might mask more_flags so that user can't change - // internal ones: more_flags &= ~(USER_FLAGS -1). - this.flags_ = ACE.SET_BITS (this.flags_, moreFlags); - return this.flags_; - } - - /** - * Unset message flags. - *@param lessFlags flags to unset for the Message Block. - */ - public long clrFlags (long lessFlags) - { - // Later we might mask more_flags so that user can't change - // internal ones: less_flags &= ~(USER_FLAGS -1). - this.flags_ = ACE.CLR_BITS (this.flags_, lessFlags); - return this.flags_; - } - - /** - * Get the message flags. - *@return Message flags - */ - public long flags () - { - return this.flags_; - } - - /** - * Get the type of the message. - *@return message type - */ - public int msgType () - { - return this.type_; - } - - /** - * Set the type of the message. - *@param t type of the message - */ - public void msgType (int t) - { - this.type_ = t; - } - - /** - * Get the class of the message. Note there are two classes, - * <normal> messages and <high-priority> messages. - *@return message class - */ - public int msgClass () - { - return this.msgType () >= MessageType.MB_PRIORITY - ? MessageType.MB_PRIORITY : MessageType.MB_NORMAL; - } - - /** - * Find out if the message is a data message. - *@return true if message is a data message, false otherwise - */ - public boolean isDataMsg () - { - int mt = this.msgType (); - return mt == MessageType.MB_DATA - || mt == MessageType.MB_PROTO - || mt == MessageType.MB_PCPROTO; - } - - /** - * Find out if the message is an object message. - *@return true if message is an object message, false otherwise - */ - public boolean isObjMsg () - { - int mt = this.msgType (); - return mt == MessageType.MB_OBJECT - || mt == MessageType.MB_PROTO - || mt == MessageType.MB_PCPROTO; - } - - /** - * Get the priority of the message. - *@return message priority - */ - public long msgPriority () - { - return this.priority_; - } - - /** - * Set the priority of the message. - *@param pri priority of the message - */ - public void msgPriority (long pri) - { - this.priority_ = pri; - } - - /** - * Get message data. This assumes that msgType is MB_DATA. - *@return message data - */ - public String base () - { - // Create a String object to return - char temp[] = new char [this.base_.length ()]; - this.base_.getChars (0, this.base_.length (), temp, 0); - return new String (temp); - } - - /** - * Set the message data. This assumes that msgType is MB_DATA. - *@param data message data - *@param msgFlags message flags - */ - public void base (String data, - long msgFlags) - { - this.base_ = new StringBuffer (data); - this.flags_ = msgFlags; - } - - /** - * Get message object. This assumes that msgType is MB_OBJECT. - *@return message object - */ - public Object obj () - { - return this.obj_; - } - - /** - * Set the message object. This assumes that msgType is MB_OBJECT. - *@param object message object - *@param msgFlags message flags - */ - public void obj (Object obj, - long msgFlags) - { - this.obj_ = obj; - this.flags_ = msgFlags; - } - - // = The following four methods only make sense if the Message_Block - // is of type MB_DATA and not MB_OBJECT. - - /** - * Get length of the message. This method only makes sense if the - * MessageBlock is of type MB_DATA and not MB_OBJECT. - *@return length of the message. - */ - public int length () - { - return this.base_.length (); - } - - /** - * Set the length of the message. This method only makes sense if the - * MessageBlock is of type MB_DATA and not MB_OBJECT. - *@param n message length - */ - public void length (int n) - { - this.base_.setLength (n); - } - - /** - * Get size of the allocated buffer for the message. This method - * only makes sense if the MessageBlock is of type MB_DATA and not - * MB_OBJECT. - *@return size of the message buffer - */ - public int size () - { - return this.base_.capacity (); - } - - /** - * Set the total size of the buffer. This method will grow the - * buffer if need be. Also, this method only makes sense if the - * MessageBlock is of type MB_DATA and not MB_OBJECT. - *@param n size of message buffer - */ - public void size (int n) - { - this.base_.ensureCapacity (n); - } - - - /** - * Get the continuation field. The coninuation field is used to - * chain together composite messages. - *@return the continuation field - */ - public MessageBlock cont () - { - return this.cont_; - } - - /** - * Set the continuation field. The coninuation field is used to - * chain together composite messages. - *@param msgCont continuation field - */ - void cont (MessageBlock msgCont) - { - this.cont_ = msgCont; - } - - /** - * Get link to next message. The next message points to the - * <MessageBlock> directly ahead in the MessageQueue. - *@return next message block - */ - MessageBlock next () - { - return this.next_; - } - - /** - * Set link to next message. The next message points to the - * <MessageBlock> directly ahead in the MessageQueue. - *@param msgBlock next message block - */ - void next (MessageBlock msgBlock) - { - this.next_ = msgBlock; - } - - /** - * Get link to previous message. The previous message points to the - * <MessageBlock> directly before in the MessageQueue. - *@return previous message block - */ - MessageBlock prev () - { - return this.prev_; - } - - /** - * Set link to previous message. The previous message points to the - * <MessageBlock> directly before in the MessageQueue. - *@param msgBlock previous message block - */ - void prev (MessageBlock msgBlock) - { - this.prev_ = msgBlock; - } - - private int type_; - // Type of message. - - private long flags_; - // Misc flags. - - private long priority_; - // Priority of message. - - private StringBuffer base_; - // String data of message block (initialized to null). - - private Object obj_; - // Object data of message block (initialized to null). - - private MessageBlock cont_; - // Next message block in the chain. - - private MessageBlock next_; - // Next message in the list. - - private MessageBlock prev_; - // Previous message in the list. - -} - diff --git a/java/JACE/ASX/MessageQueue.java b/java/JACE/ASX/MessageQueue.java deleted file mode 100644 index df25870dd52..00000000000 --- a/java/JACE/ASX/MessageQueue.java +++ /dev/null @@ -1,633 +0,0 @@ -/************************************************* - * - * = PACKAGE - * JACE.ASX - * - * = FILENAME - * MessageQueue.java - * - *@author Prashant Jain - * - *************************************************/ -package JACE.ASX; - -import java.util.Date; -import JACE.OS.*; -import JACE.Reactor.*; - -class NotFullCondition extends TimedWait -{ - public NotFullCondition (MessageQueue mq) - { - super (mq); - this.mq_ = mq; - } - - public boolean condition () { - // Delegate to the appropriate conditional - // check on the MessageQueue. - return !this.mq_.isFull (); - } - private MessageQueue mq_; -} - -class NotEmptyCondition extends TimedWait -{ - public NotEmptyCondition (MessageQueue mq) - { - super (mq); - this.mq_ = mq; - } - - public boolean condition () { - // Delegate to the appropriate conditional - // check on the MessageQueue. - return !this.mq_.isEmpty (); - } - private MessageQueue mq_; -} - - -/** - * A thread-safe message queueing facility, modeled after the - * queueing facilities in System V StreamS. <P> - * - * <tt>MessageQueue</tt> is the central queueing facility for messages - * in the ASX framework. All operations are thread-safe, as it is intended - * to be used for inter-thread communication (<em>e.g.</em>, a producer and - * consumer thread joined by a <tt>MessageQueue</tt>). The queue - * consists of <tt>MessageBlock</tt>s. - *</blockquote> - * - *@see MessageBlock - *@see TimeValue - */ -public class MessageQueue -{ - /** - * Default constructor - */ - public MessageQueue () - { - this (DEFAULT_HWM, DEFAULT_LWM); - } - - /** - * Create a Message Queue with high and low water marks. - *@param hwm High water mark (max number of bytes allowed in the - * queue) - *@param lwm Low water mark (min number of bytes in the queue) - */ - public MessageQueue (int hwm, int lwm) - { - if (this.open (hwm, lwm) == -1) - ACE.ERROR ("open"); - } - - /** - * Initialize a Message Queue with high and low water marks. - *@param hwm High water mark (max number of bytes allowed in the - * queue) - *@param lwm Low water mark (min number of bytes in the queue) - */ - public synchronized int open (int hwm, int lwm) - { - this.highWaterMark_ = hwm; - this.lowWaterMark_ = lwm; - this.deactivated_ = false; - this.currentBytes_ = 0; - this.currentCount_ = 0; - this.tail_ = null; - this.head_ = null; - return 0; - } - - // ************ Note! *********** - // = For enqueue, enqueueHead, enqueueTail, and dequeueHead if - // timeout is specified, the caller will wait until the *absolute time* - // tv. Calls will return, however, when queue is closed, - // deactivated, or if it is past the time tv - - /** - * Enqueue a <MessageBlock> into the <MessageQueue> in accordance - * with its <msgPriority> (0 is lowest priority). Note that the - * call will block (unless the queue has been deactivated). - * - *@exception java.lang.InterruptedException Interrupted while accessing queue - *@param newItem item to enqueue onto the Message Queue - *@return -1 on failure, else the number of items still on the queue. - */ - public synchronized int enqueue (MessageBlock newItem) throws InterruptedException - { - return this.enqueue (newItem, null); - } - - /** - * Enqueue a <MessageBlock> into the <MessageQueue> in accordance - * with its <msgPriority> (0 is lowest priority). Note that the - * call will return if the queue has been deactivated or it is - * later than the specified absolute time value. - *@param newItem item to enqueue onto the Message Queue - *@param tv absolute TimeValue to timeout after - *@return -1 on failure, else the number of items still on the - * queue. - *@exception java.lang.InterruptedException Interrupted while accessing queue - */ - public synchronized int enqueue (MessageBlock newItem, - TimeValue tv) throws InterruptedException - { - int result = -1; - if (this.deactivated_) - return -1; - try - { - if (tv == null) // Need to do a blocking wait - notFullCondition_.timedWait (); - else // Need to do a timed wait - notFullCondition_.timedWait (tv); - } - catch (TimeoutException e) - { - return -1; - } - - // Check again if queue is still active - if (this.deactivated_) - return -1; - else - result = this.enqueueInternal (newItem); - - // Tell any blocked threads that the queue has a new item! - this.notEmptyCondition_.broadcast (); - return result; - } - - /** - * Enqueue a <MessageBlock> at the end of the <MessageQueue>. Note - * that the call will block (unless the queue has been deactivated). - *@param newItem item to enqueue onto the Message Queue - *@return -1 on failure, else the number of items still on the queue. - *@exception java.lang.InterruptedException Interrupted while accessing queue - */ - public synchronized int enqueueTail (MessageBlock newItem) throws InterruptedException - { - return this.enqueueTail (newItem, null); - } - - /** - * Enqueue a <MessageBlock> at the end of the <MessageQueue>. Note - * that the call will return when it's later than the given TimeValue or - * if the queue has been deactivated. - *@param newItem item to enqueue onto the Message Queue - *@param tv absolute TimeValue to wait until before returning (unless - * the operation compeltes before this time) - *@return -1 on failure, else the number of items still on the queue. - *@exception java.lang.InterruptedException Interrupted while accessing queue - */ - public synchronized int enqueueTail (MessageBlock newItem, - TimeValue tv) throws InterruptedException - { - int result = -1; - if (this.deactivated_) - return -1; - try - { - if (tv == null) // Need to do a blocking wait - notFullCondition_.timedWait (); - else // Need to do a timed wait - notFullCondition_.timedWait (tv); - } - catch (TimeoutException e) - { - return -1; - } - - // Check again if queue is still active - if (this.deactivated_) - return -1; - else - result = this.enqueueTailInternal (newItem); - - // Tell any blocked threads that the queue has a new item! - this.notEmptyCondition_.broadcast (); - return result; - } - - /** - * Enqueue a <MessageBlock> at the head of the <MessageQueue>. Note - * that the call will block (unless the queue has been deactivated). - *@param newItem item to enqueue onto the Message Queue - *@return -1 on failure, else the number of items still on the queue. - *@exception java.lang.InterruptedException Interrupted while accessing queue - */ - public synchronized int enqueueHead (MessageBlock newItem) throws InterruptedException - { - return this.enqueueHead (newItem, null); - } - - /** - * Enqueue a <MessageBlock> at the head of the <MessageQueue>. Note - * that the call will return when it's later than the given TimeValue or - * if the queue has been deactivated. - *@param newItem item to enqueue onto the Message Queue - *@param tv absolute TimeValue to wait until before returning (unless - * the operation completes before that time) - *@return -1 on failure, else the number of items still on the queue. - *@exception java.lang.InterruptedException Interrupted while accessing queue - */ - public synchronized int enqueueHead (MessageBlock newItem, - TimeValue tv) throws InterruptedException - { - int result = -1; - if (this.deactivated_) - return -1; - try - { - if (tv == null) // Need to do a blocking wait - notFullCondition_.timedWait (); - else // Need to do a timed wait - notFullCondition_.timedWait (tv); - } - catch (TimeoutException e) - { - return -1; - } - - // Check again if queue is still active - if (this.deactivated_) - return -1; - else - result = this.enqueueHeadInternal (newItem); - - // Tell any blocked threads that the queue has a new item! - this.notEmptyCondition_.broadcast (); - return result; - } - - /** - * Dequeue and return the <MessageBlock> at the head of the - * <MessageQueue>. Note that the call will block (unless the queue - * has been deactivated). - *@return null on failure, else the <MessageBlock> at the head of queue. - *@exception java.lang.InterruptedException Interrupted while accessing queue - */ - public synchronized MessageBlock dequeueHead () throws InterruptedException - { - return this.dequeueHead (null); - } - - /** - * Dequeue and return the <MessageBlock> at the head of the - * <MessageQueue>. Note that the call when return if the queue has - * been deactivated or when the current time is later than the given - * time value. - *@param tv absolute time timeout (blocks indefinitely if null) - *@return null on failure, else the <MessageBlock> at the head of queue. - *@exception InterruptedException Interrupted while accessing queue - */ - public synchronized MessageBlock dequeueHead (TimeValue tv) - throws InterruptedException - { - MessageBlock result = null; - if (this.deactivated_) - return null; - try - { - if (tv == null) // Need to do a blocking wait - notEmptyCondition_.timedWait (); - else // Need to do a timed wait - notEmptyCondition_.timedWait (tv); - } - catch (TimeoutException e) - { - return null; - } - - // Check again if queue is still active - if (this.deactivated_) - return null; - else - result = this.dequeueHeadInternal (); - - // Tell any blocked threads that the queue has room for an item! - this.notFullCondition_.broadcast (); - return result; - } - - /** - * Check if queue is full. - *@return true if queue is full, else false. - */ - public synchronized boolean isFull () - { - return this.isFullInternal (); - } - - /** - * Check if queue is empty. - *@return true if queue is empty, else false. - */ - public synchronized boolean isEmpty () - { - return this.isEmptyInternal (); - } - - /** - * Get total number of bytes on the queue. - *@return total number number of bytes on the queue - */ - public int messageBytes () - { - return this.currentBytes_; - } - - /** - * Get total number of messages on the queue. - *@return total number number of messages on the queue - */ - public int messageCount () - { - return this.currentCount_; - } - - // = Flow control routines - - /** - * Get high watermark. - *@return high watermark - */ - public int highWaterMark () - { - return this.highWaterMark_; - } - - /** - * Set high watermark. - *@param hwm high watermark - */ - public void highWaterMark (int hwm) - { - this.highWaterMark_ = hwm; - } - - /** - * Get low watermark. - *@return low watermark - */ - public int lowWaterMark () - { - return this.lowWaterMark_; - } - - /** - * Set low watermark. - *@param lwm low watermark - */ - public void lowWaterMark (int lwm) - { - this.lowWaterMark_ = lwm; - } - - // = Activation control methods. - - /** - * Deactivate the queue and wakeup all threads waiting on the queue - * so they can continue. No messages are removed from the queue, - * however. Any other operations called until the queue is - * activated again will immediately return -1. - *@return WAS_INACTIVE if queue was inactive before the call and - * WAS_ACTIVE if queue was active before the call. - */ - public synchronized int deactivate () - { - return this.deactivateInternal (); - } - - - /** - * Reactivate the queue so that threads can enqueue and dequeue - * messages again. - *@return WAS_INACTIVE if queue was inactive before the call and - * WAS_ACTIVE if queue was active before the call. - */ - public synchronized int activate () - { - return this.activateInternal (); - } - - protected boolean isEmptyInternal () - { - // Not sure about this one!!!! - return this.currentBytes_ <= this.lowWaterMark_ && this.currentCount_ <= 0; - } - - protected boolean isFullInternal () - { - return this.currentBytes_ > this.highWaterMark_; - } - - protected int deactivateInternal () - { - int currentStatus = - this.deactivated_ ? WAS_INACTIVE : WAS_ACTIVE; - - this.notFullCondition_.broadcast (); - this.notEmptyCondition_.broadcast (); - - this.deactivated_ = true; - return currentStatus; - } - - protected int activateInternal () - { - int currentStatus = - this.deactivated_ ? WAS_INACTIVE : WAS_ACTIVE; - this.deactivated_ = false; - - return currentStatus; - } - - protected int enqueueTailInternal (MessageBlock newItem) - { - if (newItem == null) - return -1; - - // List was empty, so build a new one. - if (this.tail_ == null) - { - this.head_ = newItem; - this.tail_ = newItem; - newItem.next (null); - newItem.prev (null); - } - // Link at the end. - else - { - newItem.next (null); - this.tail_.next (newItem); - newItem.prev (this.tail_); - this.tail_ = newItem; - } - - if (newItem.msgType() != MessageType.MB_OBJECT) - { - // Make sure to count *all* the bytes in a composite message!!! - for (MessageBlock temp = newItem; - temp != null; - temp = temp.cont ()) - this.currentBytes_ += temp.size (); - } - - this.currentCount_++; - return this.currentCount_; - } - - protected int enqueueHeadInternal (MessageBlock newItem) - { - if (newItem == null) - return -1; - - newItem.prev (null); - newItem.next (this.head_); - - if (this.head_ != null) - this.head_.prev (newItem); - else - this.tail_ = newItem; - - this.head_ = newItem; - - if (newItem.msgType() != MessageType.MB_OBJECT) - { - // Make sure to count *all* the bytes in a composite message!!! - for (MessageBlock temp = newItem; - temp != null; - temp = temp.cont ()) - this.currentBytes_ += temp.size (); - } - - this.currentCount_++; - - return this.currentCount_; - } - - protected int enqueueInternal (MessageBlock newItem) - { - if (newItem == null) - return -1; - - if (this.head_ == null) - // Check for simple case of an empty queue, where all we need to - // do is insert <newItem> into the head. - return this.enqueueHeadInternal (newItem); - else - { - MessageBlock temp; - - // Figure out where the new item goes relative to its priority. - - for (temp = this.head_; - temp != null; - temp = temp.next ()) - { - if (temp.msgPriority () <= newItem.msgPriority ()) - // Break out when we've located an item that has lower - // priority that <newItem>. - break; - } - - if (temp == null) - // Check for simple case of inserting at the end of the queue, - // where all we need to do is insert <newItem> after the - // current tail. - return this.enqueueTailInternal (newItem); - else if (temp.prev () == null) - // Check for simple case of inserting at the beginning of the - // queue, where all we need to do is insert <newItem> before - // the current head. - return this.enqueueHeadInternal (newItem); - else - { - // Insert the message right before the item of equal or lower - // priority. - newItem.next (temp); - newItem.prev (temp.prev ()); - temp.prev ().next (newItem); - temp.prev (newItem); - } - } - - if (newItem.msgType() != MessageType.MB_OBJECT) - { - // Make sure to count *all* the bytes in a composite message!!! - for (MessageBlock temp = newItem; - temp != null; - temp = temp.cont ()) - this.currentBytes_ += temp.size (); - } - - this.currentCount_++; - return this.currentCount_; - } - - protected MessageBlock dequeueHeadInternal () - { - MessageBlock firstItem = this.head_; - this.head_ = this.head_.next (); - - if (this.head_ == null) - this.tail_ = null; - - if (firstItem.msgType() != MessageType.MB_OBJECT) - { - // Make sure to subtract off all of the bytes associated with this - // message. - for (MessageBlock temp = firstItem; - temp != null; - temp = temp.cont ()) - this.currentBytes_ -= temp.size (); - } - - this.currentCount_--; - return firstItem; - } - - - /** Default high watermark (16 K). */ - public final static int DEFAULT_HWM = 16 * 1024; - - /** Default low watermark. */ - public final static int DEFAULT_LWM = 0; - - /** Message queue was active before activate() or deactivate(). */ - public final static int WAS_ACTIVE = 1; - - /** Message queue was inactive before activate() or deactivate(). */ - public final static int WAS_INACTIVE = 2; - - private int highWaterMark_; - // Greatest number of bytes before blocking. - - private int lowWaterMark_; - // Lowest number of bytes before unblocking occurs. - - private boolean deactivated_; - // Indicates that the queue is inactive. - - private int currentBytes_; - // Current number of bytes in the queue. - - private int currentCount_; - // Current number of messages in the queue. - - private MessageBlock head_; - // Head of Message_Block list. - - private MessageBlock tail_; - // Tail of Message_Block list. - - // The Delegated Notification mechanisms. - private NotFullCondition notFullCondition_ = new NotFullCondition (this); - private NotEmptyCondition notEmptyCondition_ = new NotEmptyCondition (this); - -} diff --git a/java/JACE/ASX/MessageType.java b/java/JACE/ASX/MessageType.java deleted file mode 100644 index 97e33a6c6ba..00000000000 --- a/java/JACE/ASX/MessageType.java +++ /dev/null @@ -1,102 +0,0 @@ -/************************************************* - * - * = PACKAGE - * JACE.ASX - * - * = FILENAME - * MessageType.java - * - *@author Prashant Jain - * - *************************************************/ -package JACE.ASX; - -/** - * Message types used by MessageBlock. <P> - * - * Defines bit masks used to identify various types of messages.<P> - * - * This class is not intended to be instantiable. - * - *@see MessageBlock - */ -public class MessageType -{ - // = Data and protocol messages (regular and priority) - /** regular data */ - public static final int MB_DATA = 0x01; - - /** protocol control */ - public static final int MB_PROTO = 0x02; - - /** regular data */ - public static final int MB_OBJECT = 0x09; - - - // = Control messages (regular and priority) - /** line break */ - public static final int MB_BREAK = 0x03; - - /** pass file pointer */ - public static final int MB_PASSFP = 0x04; - - /** post an event to an event queue */ - public static final int MB_EVENT = 0x05; - - /** generate process signal */ - public static final int MB_SIG = 0x06; - - /** ioctl; set/get params */ - public static final int MB_IOCTL = 0x07; - - /** set various stream head options */ - public static final int MB_SETOPTS = 0x08; - - - // = Control messages (high priority; go to head of queue) - /** acknowledge ioctl */ - public static final int MB_IOCACK = 0x81; - - /** negative ioctl acknowledge */ - public static final int MB_IOCNAK = 0x82; - - /** priority proto message */ - public static final int MB_PCPROTO = 0x83; - - /** generate process signal */ - public static final int MB_PCSIG = 0x84; - - /** generate read notification */ - public static final int MB_READ = 0x85; - - /** flush your queues */ - public static final int MB_FLUSH = 0x86; - - /** stop transmission immediately */ - public static final int MB_STOP = 0x87; - - /** restart transmission after stop */ - public static final int MB_START = 0x88; - - /** line disconnect */ - public static final int MB_HANGUP = 0x89; - - /** fatal error used to set u.u_error */ - public static final int MB_ERROR = 0x8a; - - /** post an event to an event queue */ - public static final int MB_PCEVENT = 0x8b; - - - /** Normal priority messages */ - public static final int MB_NORMAL = 0x00; - - /** High priority control messages */ - public static final int MB_PRIORITY = 0x80; - - // Default private constructor to avoid instantiation - private MessageType () - { - } -} - diff --git a/java/JACE/ASX/Module.java b/java/JACE/ASX/Module.java deleted file mode 100644 index 2b80cd690c9..00000000000 --- a/java/JACE/ASX/Module.java +++ /dev/null @@ -1,246 +0,0 @@ -/************************************************* - * - * = PACKAGE - * JACE.ASX - * - * = FILENAME - * Module.java - * - *@author Prashant Jain - * - *************************************************/ -package JACE.ASX; - -import JACE.OS.*; - -/** - * Provides an abstraction for managing a bi-directional flow of - * messages. <P> - * - * This is based on the Module concept in System V Streams, - * which contains a pair of Tasks, one for handling upstream - * processing, one for handling downstream processing. - */ -public class Module -{ - // = Initialization and termination methods. - - /** - * Create an empty Module. - */ - public Module () - { - // Do nothing... - this.name ("<unknown>"); - } - - /* - * Create an initialized module. - *@param modName identity of the module. - *@param writerQ writer task of the module. - *@param readerQ reader task of the module. - *@param flags Module flags - */ - public Module (String modName, - Task writerQ, - Task readerQ, - Object flags) - { - this.open (modName, writerQ, readerQ, flags); - } - - /* - * Create an initialized module. - *@param modName identity of the module. - *@param writerQ writer task of the module. - *@param readerQ reader task of the module. - *@param flags Module flags - */ - public void open (String modName, - Task writerQ, - Task readerQ, - Object arg) - { - this.name (modName); - this.arg_ = arg; - - if (writerQ == null) - writerQ = new ThruTask (); - if (readerQ == null) - readerQ = new ThruTask (); - - this.reader (readerQ); - this.writer (writerQ); - - // Setup back pointers. - readerQ.module (this); - writerQ.module (this); - } - - - /* - * Set the writer task. - *@param q the writer task - */ - public void writer (Task q) - { - this.qPair_[1] = q; - if (q != null) - q.flags (ACE.CLR_BITS (q.flags (), TaskFlags.ACE_READER)); - } - - /* - * Set the reader task. - *@param q the reader task - */ - public void reader (Task q) - { - this.qPair_[0] = q; - if (q != null) - q.flags (ACE.SET_BITS (q.flags (), TaskFlags.ACE_READER)); - } - - /* - * Link this Module on top of Module. - *@param m the module to link this on top of. - */ - public void link (Module m) - { - this.next (m); - this.writer ().next (m.writer ()); - m.reader ().next (this.reader ()); - } - - /* - * Set and get pointer to sibling Task in Module. - *@param orig the task to get the sibling for - *@return the sibling of the task - */ - public Task sibling (Task orig) - { - if (this.qPair_[0] == orig) - return this.qPair_[1]; - else if (this.qPair_[1] == orig) - return this.qPair_[0]; - else - return null; - } - - /* - * Close down the module and its tasks. - *@param flags Module flags - *@return 0 on success, -1 on failure - */ - public int close (long flags) - { - Task readerQ = this.reader (); - Task writerQ = this.writer (); - int result = 0; - - if (readerQ != null) - { - if (readerQ.close (flags) == -1) - result = -1; - readerQ.flush (flags); - readerQ.next (null); - } - - if (writerQ != null) - { - if (writerQ.close (flags) == -1) - result = -1; - writerQ.flush (flags); - writerQ.next (null); - } - - return result; - } - - /* - * Get the argument passed to tasks. - *@return the argument passed to tasks. - */ - public Object arg () - { - return this.arg_; - } - - /* - * Set the argument to be passed to tasks. - *@param a the argument to be passed to tasks. - */ - public void arg (Object a) - { - this.arg_ = a; - } - - /* - * Get the name of the module. - *@return the name of the module. - */ - public String name () - { - return this.name_; - } - - /* - * Set the name of the module. - *@param n the name of the module. - */ - public void name (String n) - { - this.name_ = n; - } - - /* - * Get the writer task of the module. - *@return the writer task of the module. - */ - public Task writer () - { - return this.qPair_[1]; - } - - /* - * Get the reader task of the module. - *@return the reader task of the module. - */ - public Task reader () - { - return this.qPair_[0]; - } - - /* - * Get the next pointer to the module above in the stream. - *@return the next pointer to the module above in the stream. - */ - public Module next () - { - return this.next_; - } - - /* - * Set the next pointer to the module above in the stream. - *@param m the next pointer to the module above in the stream. - */ - public void next (Module m) - { - this.next_ = m; - } - - private Task qPair_[] = new Task[2]; - // Pair of Tasks that form the "read-side" and "write-side" of the - // ACE_Module partitioning. - - private String name_ = null; - // Name of the ACE_Module. - - private Module next_; - // Next ACE_Module in the stack. - - private Object arg_; - // Argument passed through to the reader and writer task when they - // are opened. - -} - diff --git a/java/JACE/ASX/Stream.java b/java/JACE/ASX/Stream.java deleted file mode 100644 index 6a968714ab7..00000000000 --- a/java/JACE/ASX/Stream.java +++ /dev/null @@ -1,436 +0,0 @@ -/************************************************* - * - * = PACKAGE - * JACE.ASX - * - * = FILENAME - * Stream.java - * - *@author Prashant Jain - * - *************************************************/ -package JACE.ASX; - -import JACE.OS.*; - -/** - * This class is the primary abstraction for the ASX framework. - * It is moduled after System V Stream. <P> - * - * A Stream consists of a stack of Modules, each of which - * contains two Tasks. - * - *@see Module - *@see Task - */ - -public class Stream -{ - - public Stream () - { - this (null, null, null); - } - - // Create a Stream consisting of <head> and <tail> as the Stream - // head and Stream tail, respectively. If these are 0 then the - // <ACE_Stream_Head> and <ACE_Stream_Tail> are used, respectively. - // <arg> is the value past in to the open() methods of the tasks. - - public Stream (Object a, - Module head, - Module tail) - { - this.linkedUs_ = null; - // this.final_close_ = this.lock_; - - if (this.open (a, head, tail) == -1) - ACE.ERROR ("open" + head.name () + " " + tail.name ()); - } - - public int push (Module newTop) - { - if (this.pushModule (newTop, - this.streamHead_.next (), - this.streamHead_) == -1) - return -1; - else - return 0; - } - - // Note that the timeout tv is absolute time - public int put (MessageBlock mb, TimeValue tv) - { - return this.streamHead_.writer ().put (mb, tv); - } - - // Note that the timeout tv is absolute time - public MessageBlock get (TimeValue tv) throws InterruptedException - { - return this.streamHead_.reader ().getq (tv); - } - -// Return the "top" ACE_Module in a ACE_Stream, skipping over the -// stream_head. - - public Module top () - { - if (this.streamHead_.next () == this.streamTail_) - return null; - else - return this.streamHead_.next (); - } - -// Remove the "top" ACE_Module in a ACE_Stream, skipping over the -// stream_head. - - public int pop (long flags) - { - if (this.streamHead_.next () == this.streamTail_) - return -1; - else - { - // Skip over the ACE_Stream head. - Module top = this.streamHead_.next (); - Module newTop = top.next (); - - this.streamHead_.next (newTop); - - // Close the top ACE_Module. - - top.close (flags); - - this.streamHead_.writer ().next (newTop.writer ()); - newTop.reader ().next (this.streamHead_.reader ()); - - return 0; - } - } - -// Remove a named ACE_Module from an arbitrary place in the -// ACE_Stream. - - public int remove (String name, long flags) - { - Module prev = null; - - for (Module mod = this.streamHead_; - mod != null; mod = mod.next ()) - if (name.compareTo (mod.name ()) == 0) - { - if (prev == null) // Deleting ACE_Stream Head - this.streamHead_.link (mod.next ()); - else - prev.link (mod.next ()); - - mod.close (flags); - return 0; - } - else - prev = mod; - - return -1; - } - - public Module find (String name) - { - for (Module mod = this.streamHead_; - mod != null; - mod = mod.next ()) - if (name.compareTo (mod.name ()) == 0) - return mod; - - return null; - } - -// Actually push a module onto the stack... - - private int pushModule (Module newTop, - Module currentTop, - Module head) - { - Task ntReader = newTop.reader (); - Task ntWriter = newTop.writer (); - Task ctReader = null; - Task ctWriter = null; - - if (currentTop != null) - { - ctReader = currentTop.reader (); - ctWriter = currentTop.writer (); - ctReader.next (ntReader); - } - - ntWriter.next (ctWriter); - - if (head != null) - { - if (head != newTop) - head.link (newTop); - } - else - ntReader.next (null); - - newTop.next (currentTop); - - if (ntReader.open (newTop.arg ()) == -1) - return -1; - - if (ntWriter.open (newTop.arg ()) == -1) - return -1; - return 0; - } - - public synchronized int open (Object a, - Module head, - Module tail) - { - Task h1 = null, h2 = null; - Task t1 = null, t2 = null; - - if (head == null) - { - h1 = new StreamHead (); - h2 = new StreamHead (); - head = new Module ("ACEStreamHead", h1, h2, a); - } - - if (tail == null) - { - t1 = new StreamTail (); - t2 = new StreamTail (); - tail = new Module ("ACEStreamTail", - t1, t2, a); - } - - // Make sure *all* the allocation succeeded! - if (h1 == null || h2 == null || head == null - || t1 == null || t2 == null || tail == null) - { - // Close up! - head.close (0); - tail.close (0); - return -1; - } - - this.streamHead_ = head; - this.streamTail_ = tail; - - if (this.pushModule (this.streamTail_, - null, null) == -1) - return -1; - else if (this.pushModule (this.streamHead_, - this.streamTail_, - this.streamHead_) == -1) - return -1; - else - return 0; - } - - public synchronized int close (long flags) - { - if (this.streamHead_ != null - && this.streamTail_ != null) - { - // Don't bother checking return value here. - this.unlinkInternal (); - - int result = 0; - - // Remove and cleanup all the intermediate modules. - - while (this.streamHead_.next () != this.streamTail_) - { - if (this.pop (flags) == -1) - result = -1; - } - - // Clean up the head and tail of the stream. - if (this.streamHead_.close (flags) == -1) - result = -1; - if (this.streamTail_.close (flags) == -1) - result = -1; - - this.streamHead_ = null; - this.streamTail_ = null; - - // Tell all threads waiting on the close that we are done. - // this.final_close_.broadcast (); - return result; - } - return 0; - } - - public int control (int cmd, Object a) throws InterruptedException - { - IOCntlMsg ioc = new IOCntlMsg (cmd); - - // Create a data block that contains the user-supplied data. - MessageBlock db = - new MessageBlock (MessageType.MB_IOCTL, - null, - a); - - // Create a control block that contains the control field and a - // pointer to the data block. - MessageBlock cb = - new MessageBlock (MessageType.MB_IOCTL, - db, - (Object) ioc); - - int result = 0; - - if (this.streamHead_.writer ().put (cb, null) == -1) - result = -1; - else if ((cb = this.streamHead_.reader ().getq (null)) == null) - result = -1; - else - result = ((IOCntlMsg ) cb.obj ()).rval (); - - return result; - } - -// Link two streams together at their bottom-most Modules (i.e., the -// one just above the Stream tail). Note that all of this is premised -// on the fact that the Stream head and Stream tail are non-NULL... -// This must be called with locks held. - - private int linkInternal (Stream us) - { - this.linkedUs_ = us; - // Make sure the other side is also linked to us! - us.linkedUs_ = this; - - Module myTail = this.streamHead_; - - if (myTail == null) - return -1; - - // Locate the module just above our Stream tail. - while (myTail.next () != this.streamTail_) - myTail = myTail.next (); - - Module otherTail = us.streamHead_; - - if (otherTail == null) - return -1; - - // Locate the module just above the other Stream's tail. - while (otherTail.next () != us.streamTail_) - otherTail = otherTail.next (); - - // Reattach the pointers so that the two streams are linked! - myTail.writer ().next (otherTail.reader ()); - otherTail.writer ().next (myTail.reader ()); - return 0; - } - - public synchronized int link (Stream us) - { - return this.linkInternal (us); - } - -// Must be called with locks held... - - private int unlinkInternal () - { - // Only try to unlink if we are in fact still linked! - - if (this.linkedUs_ != null) - { - Module myTail = this.streamHead_; - - // Only relink if we still exist! - if (myTail != null) - { - // Find the module that's just before our stream tail. - while (myTail.next () != this.streamTail_) - myTail = myTail.next (); - - // Restore the writer's next() link to our tail. - myTail.writer ().next (this.streamTail_.writer ()); - } - - Module otherTail = this.linkedUs_.streamHead_; - - // Only fiddle with the other side if it in fact still remains. - if (otherTail != null) - { - while (otherTail.next () != this.linkedUs_.streamTail_) - otherTail = otherTail.next (); - - otherTail.writer ().next (this.linkedUs_.streamTail_.writer ()); - - } - - // Make sure the other side is also aware that it's been unlinked! - this.linkedUs_.linkedUs_ = null; - - this.linkedUs_ = null; - return 0; - } - else - return -1; - } - - public synchronized int unlink () - { - return this.unlinkInternal (); - } - - public void dump () - { - ACE.DEBUG ("-------- module links --------"); - - for (Module mp = this.streamHead_; ; mp = mp.next ()) - { - ACE.DEBUG ("module name = " + mp.name ()); - if (mp == this.streamTail_) - break; - } - - ACE.DEBUG ("-------- writer links --------"); - - Task tp; - - for (tp = this.streamHead_.writer (); ; tp = tp.next ()) - { - ACE.DEBUG ("writer queue name = " + tp.name ()); - tp.dump (); - ACE.DEBUG ("-------\n"); - if (tp == this.streamTail_.writer () - || (this.linkedUs_ != null && tp == this.linkedUs_.streamHead_.reader ())) - break; - } - - ACE.DEBUG ("-------- reader links --------\n"); - for (tp = this.streamTail_.reader (); ; tp = tp.next ()) - { - ACE.DEBUG ("reader queue name = " + tp.name ()); - tp.dump (); - ACE.DEBUG ("-------\n"); - if (tp == this.streamHead_.reader () - || (this.linkedUs_ != null && tp == this.linkedUs_.streamHead_.writer ())) - break; - } - } - - Module streamHead_ = null; - // Pointer to the head of the stream. - - Module streamTail_ = null; - // Pointer to the tail of the stream. - - Stream linkedUs_ = null; - // Pointer to an adjoining linked stream. - - // = Synchronization objects used for thread-safe streams. - // ACE_SYNCH_MUTEX lock_; - // Protect the stream against race conditions. - - // ACE_SYNCH_CONDITION final_close_; - // Use to tell all threads waiting on the close that we are done. - -} - - diff --git a/java/JACE/ASX/StreamHead.java b/java/JACE/ASX/StreamHead.java deleted file mode 100644 index 1492b43a297..00000000000 --- a/java/JACE/ASX/StreamHead.java +++ /dev/null @@ -1,123 +0,0 @@ -/************************************************* - * - * = PACKAGE - * JACE.ASX - * - * = FILENAME - * StreamHead.java - * - *@author Prashant Jain - * - *************************************************/ -package JACE.ASX; - -import JACE.OS.*; - -/** - * Standard module that acts as the head of a ustream. - */ - -public class StreamHead extends Task -{ - // Module that acts as the head of a Stream. - - public int open (Object obj) - { - return 0; - } - - public int close (long l) - { - return 0; - } - - public int svc () - { - return -1; - } - - private int control (MessageBlock mb) - { - - IOCntlMsg ioc = (IOCntlMsg) mb.obj (); - int cmd = ioc.cmd (); - - switch (cmd) - { - case IOCntlCmds.SET_LWM: - case IOCntlCmds.SET_HWM: - this.waterMarks (cmd, mb.cont ().length ()); - ioc.rval (0); - break; - default: - return 0; - } - return ioc.rval (); - } - - /* Performs canonical flushing at the ACE_Stream Head */ - - private int canonicalFlush (MessageBlock mb) - { - String s = mb.base (); - long f = (new Long (s)).longValue (); - - if ((f & TaskFlags.ACE_FLUSHR) != 0) - { - this.flush (TaskFlags.ACE_FLUSHALL); - f &= ~TaskFlags.ACE_FLUSHR; - } - if ((f & TaskFlags.ACE_FLUSHW) != 0) - return this.reply (mb, null); - return 0; - } - - // Will block forever to add the given MessageBlock - public int put (MessageBlock mb) - { - return this.put (mb, null); - } - - // tv is absolute time - public int put (MessageBlock mb, TimeValue tv) - { - int res = 0; - if (mb.msgType () == MessageType.MB_IOCTL - && (res = this.control (mb)) == -1) - return res; - - if (this.isWriter ()) - { - return this.putNext (mb, tv); - } - else /* this.isReader () */ - { - switch (mb.msgType ()) - { - case MessageType.MB_FLUSH: - return this.canonicalFlush (mb); - default: - break; - } - - try - { - return this.putq (mb, tv); - } - catch (InterruptedException e) - { - return -1; - } - } - } - - public void dump () - { - } - - public int handleTimeout (TimeValue tv, Object obj) - { - return 0; - } - -} diff --git a/java/JACE/ASX/StreamTail.java b/java/JACE/ASX/StreamTail.java deleted file mode 100644 index c1148a4c0f1..00000000000 --- a/java/JACE/ASX/StreamTail.java +++ /dev/null @@ -1,114 +0,0 @@ -/************************************************* - * - * = PACKAGE - * JACE.ASX - * - * = FILENAME - * StreamTail.java - * - *@author Prashant Jain - * - *************************************************/ -package JACE.ASX; - -import JACE.OS.*; - -/** - * Standard module that acts as the tail of a ustream. - */ -public class StreamTail extends Task -{ - // Module that acts as the tail of a Stream. - - public int open (Object obj) - { - return 0; - } - - public int close (long l) - { - return 0; - } - - public int svc () - { - return -1; - } - - private int control (MessageBlock mb) - { - IOCntlMsg ioc = (IOCntlMsg) mb.obj (); - int cmd = ioc.cmd (); - - switch (cmd) - { - case IOCntlCmds.SET_LWM: - case IOCntlCmds.SET_HWM: - { - int size = mb.cont ().length (); - - this.waterMarks (cmd, size); - this.sibling ().waterMarks (cmd, size); - ioc.rval (0); - break; - } - default: - mb.msgType (MessageType.MB_IOCNAK); - } - return this.reply (mb, null); - } - - // Perform flush algorithm as though we were the driver - private int canonicalFlush (MessageBlock mb) - { - String s = mb.base (); - long f = (new Long (s)).longValue (); - - if ((f & TaskFlags.ACE_FLUSHW) != 0) - { - this.flush (TaskFlags.ACE_FLUSHALL); - f &= ~TaskFlags.ACE_FLUSHW; - } - if ((f & TaskFlags.ACE_FLUSHR) != 0) - { - this.sibling ().flush (TaskFlags.ACE_FLUSHALL); - return this.reply (mb, null); - } - return 0; - } - - // put the given MessageBlock without a timeout (block forever if - // necessary) - public int put (MessageBlock mb) - { - return this.put (mb, null); - } - - // tv is an absolute time timeout - public int put (MessageBlock mb, TimeValue tv) - { - if (this.isWriter ()) - { - switch (mb.msgType ()) - { - case MessageType.MB_IOCTL: - return this.control (mb); - /* NOTREACHED */ - default: - break; - } - } - - return -1; - } - - public void dump () - { - } - - public int handleTimeout (TimeValue tv, Object obj) - { - return 0; - } - -} diff --git a/java/JACE/ASX/Task.java b/java/JACE/ASX/Task.java deleted file mode 100644 index b13de64f16a..00000000000 --- a/java/JACE/ASX/Task.java +++ /dev/null @@ -1,443 +0,0 @@ -/************************************************* - * - * = PACKAGE - * JACE.ASX - * - * = FILENAME - * Task.java - * - *@author Prashant Jain - * - *************************************************/ -package JACE.ASX; - -import JACE.OS.*; -import JACE.Reactor.*; -import JACE.Concurrency.*; - -/** - * Primary interface for application message processing, as well - * as input and output message queueing. <P> - * - * This class serves as the basis for passive and active objects - * in ACE. - * - *@see MessageQueue - *@see EventHandler - */ -public abstract class Task implements Runnable, EventHandler -{ - // = Initialization/termination methods. - - /** - * Initialize a Task. Note, we allocate a message queue ourselves. - */ - public Task () - { - this.msgQueue_ = new MessageQueue (); - this.thrMgr_ = null; - } - - /** - * Initialize a Task. Note, we use the message queue and thread - * manager supplied by the user. - *@param mq Message Queue to hold list of messages on the Task - *@param thrMgr Thread Manager that manages all the spawned threads - */ - public Task (MessageQueue mq, - ThreadManager thrMgr) - { - this.msgQueue_ = mq; - this.thrMgr_ = thrMgr; - } - - /** - * Not meant to be invoked by the user directly!. This needs to be - * in the public interface in order to get invoked by Thread - * class. - */ - public void run () - { - this.svc (); - } - - // = Initialization and termination hooks (note that these *must* be - // defined by subclasses). - - /** - * Hook called to open a Task. - *@param obj used to pass arbitrary information - */ - public abstract int open (Object obj); - - /** - * Hook called to close a Task. - */ - public abstract int close (long flags); - - // = Immediate and deferred processing methods, respectively. - - /** - * Transfer a message into the queue to handle immediate - * processing. - *@param mb Message Block to handle immediately - *@param tv Latest time to wait until (absolute time) - */ - public abstract int put (MessageBlock mb, TimeValue tv); - - /** - * Run by a daemon thread to handle deferred processing. Note, that - * to do anything useful, this method should be overriden by the - * subclass. - *@return default implementation always returns 0. - */ - public int svc () - { - return 0; - } - - /** - * Set the underlying Thread Manager. - *@param t Thread Manager to use - */ - public synchronized void thrMgr (ThreadManager t) - { - this.thrMgr_ = t; - } - - /** - * Get the Thread Manager. - *@return Underlying Thread Manager - */ - public synchronized ThreadManager thrMgr () - { - return this.thrMgr_; - } - - // = Active object method. - - /** - * Turn the task into an active object. That is, having <nThreads> - * separate threads of control that all invoke Task::svc. - *@param flags Task Flags - *@param nThreads number of threads to spawn - *@param forceActive whether to force creation of new threads or not - *@return -1 if failure occurs, 1 if Task is already an active - * object and <forceActive> is false (doesn't *not* create a new - * thread in this case), and 0 if Task was not already an active - * object and a thread is created successfully or thread is an active - * object and <forceActive> is true. - */ - public synchronized int activate (long flags, int nThreads, boolean forceActive) - { - // Create a Thread Manager if we do not already have one - if (this.thrMgr_ == null) - this.thrMgr_ = new ThreadManager (); - - if (this.thrCount () > 0 && forceActive == false) - return 1; // Already active. - this.flags_ = flags; - - if (ACE.BIT_ENABLED (flags, TaskFlags.THR_DAEMON)) - this.thrMgr_.spawnN (nThreads, this, true); // Spawn off all threads as daemon threads - else // Spawn off all threads as normal threads - this.thrMgr_.spawnN (nThreads, this, false); - - return 0; - } - - // = Suspend/resume a Task - - /** - * Suspend a task. Default implementation is a no-op. - */ - public synchronized void suspend () - { - } - - /** - * Resume a suspended task. Default implementation is a no-op. - */ - public synchronized void resume () - { - } - - /** - * Get the current group name. - *@return name of the current thread group - */ - public synchronized String grpName () - { - if (this.thrMgr_ != null) - return this.thrMgr_.thrGrp ().getName (); - else - return null; - } - - /** - * Get the message queue associated with this task. - *@return the message queue associated with this task. - */ - public MessageQueue msgQueue () - { - return this.msgQueue_; - } - - /** - * Set the message queue associated with this task. - *@param mq Message Queue to use with this Task. - */ - public void msgQueue (MessageQueue mq) - { - this.msgQueue_ = mq; - } - - /** - * Get the number of threads currently running within the Task. - *@return the number of threads currently running within the Task. - * 0 if we're a passive object, else > 0. - */ - public synchronized int thrCount () - { - if (this.thrMgr_ != null) - return this.thrMgr_.thrGrp ().activeCount (); - else - return 0; - } - - /** - * Set the Task flags - *@param flags Task Flags - */ - public synchronized void flags (long flags) - { - this.flags_ = flags; - } - - /** - * Get the Task flags - *@return Task Flags - */ - public synchronized long flags () - { - return this.flags_; - } - - // = Message queue manipulation methods. - - - /* - * Dump debug information. - */ - public void dump () - { - } - - /** - * Insert a message into the queue, blocking forever if necessary. - *@param mb Message Block to insert - *@exception java.lang.InterruptedException Interrupted while accessing queue - */ - protected int putq (MessageBlock mb) throws InterruptedException - { - return this.putq(mb, null); - } - - /** - * Insert message into the message queue. - *@param mb Message Block to insert into the Message Queue - *@param tv time to wait until (absolute time) - *@exception java.lang.InterruptedException Interrupted while accessing queue - */ - protected int putq (MessageBlock mb, TimeValue tv) throws InterruptedException - { - return this.msgQueue_.enqueueTail (mb, tv); - } - - /** - * Extract the first message from the queue, blocking forever if - * necessary. - *@return the first Message Block from the Message Queue. - *@exception InterrupteException Interrupted while accessing queue - */ - protected MessageBlock getq() throws InterruptedException - { - return this.getq(null); - } - - /** - * Extract the first message from the queue. Note that the call is blocking. - *@return the first Message Block from the Message Queue. - *@param tv Latest time to wait until (absolute time) - *@exception java.lang.InterruptedException Interrupted while accessing queue - */ - protected MessageBlock getq (TimeValue tv) throws InterruptedException - { - return this.msgQueue_.dequeueHead (tv); - } - - /** - * Return a message back to the queue. - *@param mb Message Block to return back to the Message Queue - *@param tv Latest time to wait until (absolute time) - *@exception java.lang.InterruptedException Interrupted while accessing queue - */ - protected int ungetq (MessageBlock mb, TimeValue tv) throws InterruptedException - { - return this.msgQueue_.enqueueHead (mb, tv); - } - - /** - * Transfer message to the adjacent ACETask in an ACEStream. - *@param mb Message Block to transfer to the adjacent Task - *@param tv Latest time to wait until (absolute time) - *@return -1 if there is no adjacent Task, else the return value of - * trying to put the Message Block on that Task's Message Queue. - */ - protected int putNext (MessageBlock mb, TimeValue tv) - { - return this.next_ == null ? -1 : this.next_.put (mb, tv); - } - - /** - * Turn the message back around. Puts the message in the sibling's - * Message Queue. - *@param mb Message Block to put into sibling's Message Queue - *@param tv Latest time to wait until (absolute time) - *@return -1 if there is no adjacent Task to the sibling, else the - * return value of trying to put the Message Block on sibling's - * Message Queue. - */ - protected int reply (MessageBlock mb, TimeValue tv) - { - return this.sibling ().putNext (mb, tv); - } - - // = ACE_Task utility routines to identify names et al. - - /** - * Get the name of the enclosing Module. - *@return the name of the enclosing Module if there's one associated - * with the Task, else null. - */ - protected String name () - { - if (this.mod_ == null) - return null; - else - return this.mod_.name (); - } - - /** - * Get the Task's sibling. - *@return the Task's sibling if there's one associated with the - * Task's Module, else null. - */ - protected Task sibling () - { - if (this.mod_ == null) - return null; - else - return this.mod_.sibling (this); - } - - /** - * Set the Task's module. - *@param mod the Task's Module. - */ - protected void module (Module mod) - { - this.mod_ = mod; - } - - /** - * Get the Task's module. - *@return the Task's Module if there is one, else null. - */ - protected Module module () - { - return this.mod_; - } - - /** - * Check if queue is a reader. - *@return true if queue is a reader, else false. - */ - protected boolean isReader () - { - return (ACE.BIT_ENABLED (this.flags_, TaskFlags.ACE_READER)); - } - - /** - * Check if queue is a writer. - *@return true if queue is a writer, else false. - */ - protected boolean isWriter () - { - return (ACE.BIT_DISABLED (this.flags_, TaskFlags.ACE_READER)); - } - - // = Pointers to next ACE_Queue (if ACE is part of an ACE_Stream). - - /** - * Get next Task pointer. - *@return pointer to the next Task - */ - protected Task next () - { - return this.next_; - } - - /** - * Set next Task pointer. - *@param task next task pointer - */ - protected void next (Task task) - { - this.next_ = task; - } - - // Special routines corresponding to certain message types. - - /** - * Flush the Message Queue - *@return 0 if Message Queue is null, 1 if flush succeeds, -1 if - * ACE_FLUSHALL bit is not enabled in flags. - */ - protected int flush (long flag) - { - if (ACE.BIT_ENABLED (flag, TaskFlags.ACE_FLUSHALL)) - return (this.msgQueue_ == null ? 0 : 1); - else - return -1; - } - - - /** - * Manipulate watermarks. - *@param cmd IOCntlCmd - *@param size watermark - */ - protected void waterMarks (int cmd, int size) - { - if (cmd == IOCntlCmds.SET_LWM) - this.msgQueue_.lowWaterMark (size); - else /* cmd == IOCntlMsg.SET_HWM */ - this.msgQueue_.highWaterMark (size); - } - - private ThreadManager thrMgr_ = null; - // Thread_Manager that manages all the spawned threads - - private long flags_; - // Task flags. - - private MessageQueue msgQueue_; - // List of messages on the Task.. - - private Task next_; - // Adjacent ACE_Task. - - private Module mod_; - // Back-pointer to the enclosing module. -} diff --git a/java/JACE/ASX/TaskFlags.java b/java/JACE/ASX/TaskFlags.java deleted file mode 100644 index 13347283adf..00000000000 --- a/java/JACE/ASX/TaskFlags.java +++ /dev/null @@ -1,49 +0,0 @@ -/************************************************* - * - * = PACKAGE - * JACE.ASX - * - * = FILENAME - * TaskFlags.java - * - *@author Prashant Jain - * - *************************************************/ -package JACE.ASX; - -/** - * Flags used within Task. - * - *@see Task - */ -public abstract class TaskFlags -{ - /** Identifies a Task as being the "reader" in a Module. */ - public static final int ACE_READER = 01; - - /** Just flush data messages in the queue. */ - public static final int ACE_FLUSHDATA = 02; - - /** Flush all messages in the Queue. */ - public static final int ACE_FLUSHALL = 04; - - /** Flush read queue */ - public static final int ACE_FLUSHR = 010; - - /** Flush write queue */ - public static final int ACE_FLUSHW = 020; - - /** Flush both queues */ - public static final int ACE_FLUSHRW = 030; - - /** Identifies a thread as suspended */ - public static final int THR_SUSPENDED = 0x00000080; - - /** Identifies a thread as a daemon thread */ - public static final int THR_DAEMON = 0x00000100; - - // Default private constructor to avoid instantiation - private TaskFlags () - { - } -} diff --git a/java/JACE/ASX/ThruTask.java b/java/JACE/ASX/ThruTask.java deleted file mode 100644 index 3fd0bbd4476..00000000000 --- a/java/JACE/ASX/ThruTask.java +++ /dev/null @@ -1,44 +0,0 @@ -/************************************************* - * - * = PACKAGE - * JACE.ASX - * - * = FILENAME - * ThruTask.java - * - *@author Prashant Jain - * - *************************************************/ -package JACE.ASX; - -/** - * Standard module that acts as a "no op", simply passing on all - * data to its adjacent neighbor. - */ -public class ThruTask extends Task -{ - public int open (Object obj) - { - return 0; - } - - public int close (long flags) - { - return 0; - } - - public int put (MessageBlock msg, TimeValue tv) - { - return this.putNext (msg, tv); - } - - public int svc () - { - return -1; - } - - public int handleTimeout (TimeValue tv, Object obj) - { - return 0; - } -} diff --git a/java/JACE/ASX/TimeValue.java b/java/JACE/ASX/TimeValue.java deleted file mode 100644 index 452f80447c4..00000000000 --- a/java/JACE/ASX/TimeValue.java +++ /dev/null @@ -1,296 +0,0 @@ -/************************************************* - * - * = PACKAGE - * JACE.Reactor - * - * = FILENAME - * TimeValue.java - * - *@author Prashant Jain - * - *************************************************/ -//package JACE.Reactor; -package JACE.ASX; - -/** - * Encapsulates a specific time or time interval. <P> - * - * Also provides methods for generating absolute times from - * relative times. This is used throughout JACE for timeouts. - * - *@see TimedWait - */ -public class TimeValue -{ - /** - * TimeValue representing 0 seconds and 0 nanoseconds. - */ - public final static TimeValue zero = new TimeValue (0,0); - - /** - * Default constructor. This creates a TimeValue that is - * equal to TimeValue.zero. - */ - public TimeValue () - { - this (0, 0); - } - - /** - * Constructor - *@param sec seconds - */ - public TimeValue (long sec) - { - this (sec, 0); - } - - /** - * Constructor - *@param sec seconds - *@param nanos nanoseconds - */ - public TimeValue (long sec, int nanos) - { - this.set (sec, nanos); - } - - /** - * Sets the seconds and nanoseconds of Time Value - *@param sec seconds - *@param nanos nanoseconds - */ - public void set (long sec, int nanos) - { - this.millisec_ = sec * 1000; - this.nanos_ = nanos; - this.normalize (); - } - - /** - * Get seconds - *@return Seconds - */ - public long sec () - { - return this.millisec_/1000; - } - - /** - * Get nanoseconds - *@return Nanoseconds - */ - public int nanos () - { - return this.nanos_; - } - - /** - * Get time in milliseconds. - *@return time in milliseconds - */ - public long getMilliTime () - { - return this.millisec_; - } - - /** - * Get a String representation of the Time Value. - *@return String representation of the Time Value - */ - public String toString () - { - return (new Long (this.millisec_/1000)).toString () + ":" + - (new Integer (this.nanos_)).toString (); - } - - /** - * Get current time. - *@return the current system time as a new TimeValue - */ - public static TimeValue getTimeOfDay () - { - return new TimeValue (System.currentTimeMillis ()/1000); - } - - /** - * Return a new TimeValue that represents the current system time - * of day offset by the given number of seconds and nanoseconds. - *@param sec Number of seconds to offset by - *@param nanos Number of nanoseconds to offset by - *@see JACE.ASX.TimeValue - *@return TimeValue for the system time plus the given offset - */ - public static TimeValue relativeTimeOfDay(long sec, int nanos) - { - return new TimeValue ((System.currentTimeMillis() / 1000) + sec, - nanos); - } - - /** - * Return a new TimeValue that represents the current system time - * of day offset by the given TimeValue. - *@param tv TimeValue to offset by - *@see JACE.ASX.TimeValue - *@return TimeValue for the system time plus the given offset - */ - public static TimeValue relativeTimeOfDay(TimeValue offset) - { - return new TimeValue ((System.currentTimeMillis() / 1000) + - offset.sec(), - offset.nanos()); - } - - /** - * Compare two Time Values for equality. - *@param tv Time Value to compare with - *@return true if the two Time Values are equal, false otherwise - */ - public boolean equals (TimeValue tv) - { - return this.millisec_ == (tv.sec () * 1000) && this.nanos_ == tv.nanos (); - } - - /** - * Compare two Time Values for non-equality. - *@param tv Time Value to compare with - *@return true if the two Time Values are not equal, false otherwise - */ - public boolean notEquals (TimeValue tv) - { - return !this.equals (tv); - } - - /** - * Add two Time Values. - *@param tv1 The first Time Value - *@param tv2 The second Time Value - *@return sum of the two Time Values. - */ - public static TimeValue plus (TimeValue tv1, TimeValue tv2) - { - TimeValue tv = new TimeValue (tv1.sec () + tv2.sec (), - tv1.nanos () + tv2.nanos ()); - tv.normalize (); - return tv; - } - - /** - * Subtract two Time Values. - *@param tv1 The first Time Value - *@param tv2 The second Time Value - *@return difference of the two Time Values. - */ - public static TimeValue minus (TimeValue tv1, TimeValue tv2) - { - TimeValue tv = new TimeValue (tv1.sec () - tv2.sec (), - tv1.nanos () - tv2.nanos ()); - tv.normalize (); - return tv; - } - - /** - * Add Time Value to "this". - *@param tv The Time Value to add to this. - */ - public void plusEquals (TimeValue tv) - { - this.set (this.sec () + tv.sec (), - this.nanos () + tv.nanos ()); - this.normalize (); - } - - /** - * Subtract Time Value from "this". - *@param tv The Time Value to subtract from this. - */ - public void minusEquals (TimeValue tv) - { - this.set (this.sec () - tv.sec (), - this.nanos () - tv.nanos ()); - this.normalize (); - } - - /** - * Compare two Time Values for less than. - *@param tv Time Value to compare with - *@return true if "this" is less than tv, false otherwise - */ - public boolean lessThan (TimeValue tv) - { - return tv.greaterThan (this); - } - - /** - * Compare two Time Values for greater than. - *@param tv Time Value to compare with - *@return true if "this" is greater than tv, false otherwise - */ - public boolean greaterThan (TimeValue tv) - { - if (this.sec () > tv.sec ()) - return true; - else if (this.sec () == tv.sec () - && this.nanos () > tv.nanos ()) - return true; - else - return false; - } - - /** - * Compare two Time Values for <=. - *@param tv Time Value to compare with - *@return true if "this" <= tv, false otherwise - */ - public boolean lessThanEqual (TimeValue tv) - { - return tv.greaterThanEqual (this); - } - - /** - * Compare two Time Values for >=. - *@param tv Time Value to compare with - *@return true if "this" >= tv, false otherwise - */ - public boolean greaterThanEqual (TimeValue tv) - { - return this.sec () >= tv.sec () && this.nanos () >= tv.nanos (); - } - - private void normalize () - { - if (this.nanos_ >= ONE_MILLISECOND) - { - do - { - this.millisec_++; - this.nanos_ -= ONE_MILLISECOND; - } - while (this.nanos_ >= ONE_MILLISECOND); - } - else if (this.nanos_ <= -ONE_MILLISECOND) - { - do - { - this.millisec_--; - this.nanos_ += ONE_MILLISECOND; - } - while (this.nanos_ <= -ONE_MILLISECOND); - } - - if (this.millisec_ >= 1 && this.nanos_ < 0) - { - this.millisec_--; - this.nanos_ += ONE_MILLISECOND; - } - else if (this.millisec_ < 0 && this.nanos_ > 0) - { - this.millisec_++; - this.nanos_ -= ONE_MILLISECOND; - } - } - - private long millisec_; - private int nanos_; - private final static int ONE_MILLISECOND = 1000000; -} diff --git a/java/JACE/ASX/TimedWait.java b/java/JACE/ASX/TimedWait.java deleted file mode 100644 index dc1d0bab673..00000000000 --- a/java/JACE/ASX/TimedWait.java +++ /dev/null @@ -1,157 +0,0 @@ -/************************************************* - * - * = PACKAGE - * JACE.ASX - * - * = FILENAME - * TimedWait.java - * - *@author Prashant Jain and Doug Schmidt - * - *************************************************/ -package JACE.ASX; - -/** - * A wait/notify system with absolute time timeouts and built-in - * check of a condition. <P> - * - * Subclasses define the condition to check, and the object to - * wait on can be specified. - */ -public abstract class TimedWait -{ - /** - * Default Constructor. Sets "this" to be used for the delegation of - * the wait() call to. - */ - public TimedWait () - { - object_ = this; - } - - /** - * Constructor. Allows subclasses to supply us with an Object that - * is delegated the wait() call. - *@param obj The Object that is delegated the wait() call. - */ - public TimedWait (Object obj) - { - object_ = obj; - } - - /** - * Hook method that needs to be implemented by subclasses. - */ - public abstract boolean condition (); - - /** - * Wait until condition becomes true. Note that the method - * blocks. Also note that this method is final to ensure that no one - * overrides it. - * IMPORTANT: This method assumes it is called with the object_'s - * monitor lock already held. - *@exception InterruptedException Interrupted during wait - */ - public final void timedWait () throws InterruptedException - { - // Acquire the monitor lock. - if (!condition ()) - { - // Only attempt to perform the wait if the condition isn't - // true initially. - for (;;) - { - // Wait until we are notified. - object_.wait (); - - // Recheck the condition. - if (condition ()) - break; // Condition became true. - - // else we were falsely notified so go back into wait - } - } - } - - /** - * Template Method that implements the actual timed wait. Note that - * this method is final to ensure that no one overrides it. - * IMPORTANT: This method assumes it is called with the object_'s - * monitor lock already held. - * If the specified wait time is zero, this checks the condition, - * then returns on success or throws a TimeoutException on failure. - *@param tv Absolute time to wait until before throwing an exception - * if the condition isn't satisfied - *@exception java.lang.InterruptedException Interrupted during wait - *@exception JACE.ASX.TimeoutException Reached timeout specified - */ - public final void timedWait (TimeValue tv) - throws InterruptedException, - TimeoutException - { - if (tv == null) { - this.timedWait(); - return; - } - - // Acquire the monitor lock. - if (!condition ()) - { - long start = System.currentTimeMillis(); - long waitTime = tv.getMilliTime() - start; - - for (;;) { - - // Prevent a conversion from absolute to relative time from - // generating a zero or negative waitTime. - if (waitTime < 1) - throw new TimeoutException (); - - // Wait until we are notified. - object_.wait (waitTime); - - // Recheck the condition. - if (!condition ()) { - - long now = System.currentTimeMillis(); - - // Timed out! - if (now >= tv.getMilliTime ()) - throw new TimeoutException (); - else - // We still have some time left to wait, so adjust the - // wait_time. - waitTime = tv.getMilliTime() - now; - } - else - break; // Condition became true. - } - } - } - - /** - * Notify any one thread waiting on the object_. - * IMPORTANT: This method assumes it is called with the object_'s - * monitor lock already held. - */ - public final void signal () { - object_.notify (); - } - - /** - * Notify all threads waiting on the object_. - * IMPORTANT: This method assumes it is called with the object_'s - * monitor lock already held. - */ - public final void broadcast () { - object_.notifyAll (); - } - - /** - * The object we delegate to. If a subclass gives us a particular - * object, we use that to delegate to, otherwise, we ``delegate'' - * to ourself (i.e., this). - */ - protected Object object_; - -} diff --git a/java/JACE/ASX/TimeoutException.java b/java/JACE/ASX/TimeoutException.java deleted file mode 100644 index d55cc4fe999..00000000000 --- a/java/JACE/ASX/TimeoutException.java +++ /dev/null @@ -1,37 +0,0 @@ -/************************************************* - * - * = PACKAGE - * JACE.ASX - * - * = FILENAME - * TimeoutException.java - * - *@author Prashant Jain and Doug Schmidt - * - *************************************************/ -package JACE.ASX; - -/** - * Thrown when a timer has expired. - */ -public class TimeoutException extends Exception -{ - /** - * Default Constructor. - */ - public TimeoutException () - { - super ("Timed Out"); - } - - /** - * Constructor. - *@param timeout The timeout value which expired. - *@param desc Textual description of the exception - */ - public TimeoutException (TimeValue timeout, String desc) - { - super ("Timed Out in " + timeout + ": " + desc); - } - -} diff --git a/java/JACE/ASX/package.html b/java/JACE/ASX/package.html deleted file mode 100644 index 346782ed083..00000000000 --- a/java/JACE/ASX/package.html +++ /dev/null @@ -1,11 +0,0 @@ -<!-- $Id$ --> -<HTML> -<BODY> -Message queueing facilities. -<P> -@see <a href="http://www.cs.wustl.edu/~schmidt/ACE-papers.html#ipc"> -Documents on ACE interprocess communication components</a> -@see <a href="http://www.cs.wustl.edu/~schmidt/ACE-papers.html#streams"> -Documents on the ACE streams framework</a> -</BODY> -</HTML> |