diff options
Diffstat (limited to 'java/netsvcs/Time')
| -rwxr-xr-x | java/netsvcs/Time/Clerk.java | 23 | ||||
| -rwxr-xr-x | java/netsvcs/Time/Makefile | 27 | ||||
| -rwxr-xr-x | java/netsvcs/Time/Server.java | 23 | ||||
| -rwxr-xr-x | java/netsvcs/Time/TSClerkHandler.java | 296 | ||||
| -rwxr-xr-x | java/netsvcs/Time/TSClerkProcessor.java | 267 | ||||
| -rwxr-xr-x | java/netsvcs/Time/TSRequestAcceptor.java | 142 | ||||
| -rwxr-xr-x | java/netsvcs/Time/TSRequestHandler.java | 106 | ||||
| -rwxr-xr-x | java/netsvcs/Time/TSServerAcceptor.java | 100 | ||||
| -rwxr-xr-x | java/netsvcs/Time/TSServerHandler.java | 99 |
9 files changed, 0 insertions, 1083 deletions
diff --git a/java/netsvcs/Time/Clerk.java b/java/netsvcs/Time/Clerk.java deleted file mode 100755 index f29e08e06f8..00000000000 --- a/java/netsvcs/Time/Clerk.java +++ /dev/null @@ -1,23 +0,0 @@ -// ============================================================================ -// -// = PACKAGE -// netsvcs.Time -// -// = FILENAME -// Clerk.java -// -// = AUTHOR -// Prashant Jain -// -// ============================================================================ -package netsvcs.Time; - -// Test driver for the time server clerk -public class Clerk -{ - public static void main (String [] args) - { - TSClerkProcessor clerk = new TSClerkProcessor (); - clerk.init (args); - } -} diff --git a/java/netsvcs/Time/Makefile b/java/netsvcs/Time/Makefile deleted file mode 100755 index b6dc6dd02ea..00000000000 --- a/java/netsvcs/Time/Makefile +++ /dev/null @@ -1,27 +0,0 @@ - -# Makefile - -.SUFFIXES: .java .class - -JACE_WRAPPER = $(WRAPPER_ROOT)/java - -all: - javac -d ${JACE_WRAPPER}/classes $(files) -doc: - javadoc -d ${JACE_WRAPPER}/doc $(files) $(packages) - -files = TSClerkProcessor.java \ - TSClerkHandler.java \ - TSRequestAcceptor.java \ - TSRequestHandler.java \ - TSServerAcceptor.java \ - TSServerHandler.java \ - Clerk.java \ - Server.java - -packages = netsvcs \ - netsvcs.Time - -realclean: - /bin/rm -rf ${JACE_WRAPPER}/classes/netsvcs/Time - diff --git a/java/netsvcs/Time/Server.java b/java/netsvcs/Time/Server.java deleted file mode 100755 index 6b44ddf8d9f..00000000000 --- a/java/netsvcs/Time/Server.java +++ /dev/null @@ -1,23 +0,0 @@ -// ============================================================================ -// -// = PACKAGE -// netsvcs.Time -// -// = FILENAME -// Server.java -// -// = AUTHOR -// Prashant Jain -// -// ============================================================================ -package netsvcs.Time; - -// Test driver for the time service server -public class Server -{ - public static void main (String [] args) - { - TSServerAcceptor server = new TSServerAcceptor (); - server.init (args); - } -} diff --git a/java/netsvcs/Time/TSClerkHandler.java b/java/netsvcs/Time/TSClerkHandler.java deleted file mode 100755 index fc89b69c45c..00000000000 --- a/java/netsvcs/Time/TSClerkHandler.java +++ /dev/null @@ -1,296 +0,0 @@ -/************************************************* - * - * = PACKAGE - * netsvcs.Time - * - * = FILENAME - * TS_Clerk_Handler.java - * - *@author Prashant Jain, Everett Anderson - * - *************************************************/ -package netsvcs.Time; - -import java.io.*; -import java.util.Date; -import JACE.OS.*; -import JACE.Connection.*; -import JACE.Reactor.*; -import JACE.ASX.TimeValue; - -/** - * <hr> - * <p><h2>SYNOPSIS</h2> - * - * <blockquote>Requests the remote time on a server at regular - * intervals.</blockquote> - * - * <p><h2>DESCRIPTION</h2> - * - * <blockquote>TSClerkHandlers are created by a TSClerkProcessor. There - * is one handler for each server that the Clerk Processor factors into - * its calculations.</blockquote> - */ -public class TSClerkHandler extends SvcHandler -{ - /** - * Constructor. TSClerkProcessor specifies the server machine and - * port, as well as the interval at which to make the query. - */ - public TSClerkHandler (String hostname, - int port, - TimerQueue tq, - int timeout, - TSClerkProcessor parent) - { - - this.hostname_ = hostname; - this.port_ = port; - this.tq_ = tq; - this.timeout_ = timeout; - - this.initialTimeout_ = timeout; - this.processor_ = parent; - - this.sendMsg_ = new String ("TIME_UPDATE_REQUEST"); - } - - /** - * Called to start this handler in a new thread. This only - * does it when the state of the handler is INITIALIZING. - */ - public int open (Object obj) - { - if (this.state_ != RECONNECTING) { - - Thread test = new Thread(this); - - new Thread (this).start (); - - } - return 0; - } - - /** - * Accessor - return the host name of the server - */ - public String hostname () - { - return this.hostname_; - } - - /** - * Accessor - return the port used to contact the server - */ - public int port () - { - return this.port_; - } - - /** - * Accessor - returns the difference between the local time and - * the remote server. - */ - public long delta () - { - return this.delta_; - } - - /** - * Called when the thread starts. Schedules itself with the - * timer queue. - */ - public void run () - { - this.timerId_ = this.tq_.scheduleTimer (this, - null, - new TimeValue (this.timeout_), - new TimeValue (this.timeout_)); - - } - - /** - * Accessor - return the state - */ - public int state() - { - return this.state_; - } - - /** - * Sets the state of the handler - */ - public void state(int newState) - { - this.state_ = newState; - } - - /** - * Provides a new time out interval (exponentially increasing) so - * that if the server doesn't respond, we don't keep trying to - * reconnect as often. Maximum value is 5 minutes. - */ - public int recalculateTimeout() - { - this.timeout_ *= 2; - - if (this.timeout_ > this.max_timeout_) - this.timeout_ = max_timeout_; - - return this.timeout_; - } - - /** - * Start the recovery from a server disconnection by closing the - * port and recalculating the timeout value. - */ - protected void errorRecovery() - { - ACE.DEBUG("Time Service failure with server " + this.hostname_); - - this.timeout_ = this.recalculateTimeout(); - - this.reschedule(); - } - - /** - * Removes this handler from the timer queue, and reschedules it - * (presumably with a new timeout value) - */ - public void reschedule() - { - this.tq_.cancelTimer(this); - - this.timerId_ = this.tq_.scheduleTimer (this, - null, - new TimeValue (this.timeout_), - new TimeValue (this.timeout_)); - } - - /** - * Called back by the timer queue. If the handler isn't connected, - * it tries to reconnect to the server. Otherwise, it requests - * the remote time. The server is said to have disconnected when - * an exception is thrown in the socket system, or the result is - * a string with length <= 0. - */ - public int handleTimeout (TimeValue tv, Object obj) - { - if (this.state_ != CONNECTED) { - - this.processor_.initiateConnection(this); - - // If still not connected - if (this.state_ != CONNECTED) { - - // used to set state to reconnecting here - this.state_ = RECONNECTING; - - // Reschedule to try again later - this.errorRecovery(); - return 0; - } - - // If connected, poll the server at the requested intervals - this.resetTimeout(); - } - - StringBuffer ack = new StringBuffer (); - int ackLen; - try - { - // Used to calculate the turn-around time - long sendTime = System.currentTimeMillis(); - - this.peer ().send(this.sendMsg_); - ackLen = this.peer ().recv (ack); - - long recvTime = System.currentTimeMillis(); - - if (ackLen <= 0) { - - this.state_ = DISCONNECTED; - return -1; - - } else { - - long delta = (new Long(ack.toString())).longValue() - recvTime; - - delta += (recvTime - sendTime) / 2; - - this.delta_ = delta; - - System.err.println("Delta: " + this.delta_); - } - - } - catch (NullPointerException e) - { - ACE.ERROR ("connection reset by peer"); - this.state_ = DISCONNECTED; - return -1; - } - catch (IOException e) - { - ACE.ERROR (e); - this.state_ = DISCONNECTED; - return -1; - } - - return 0; - } - - /** - * Resets the timer interval to be the one supplied to the - * constructor. - */ - public void resetTimeout() - { - this.timeout_ = this.initialTimeout_; - - this.reschedule(); - } - - private TSClerkProcessor processor_; - // Reference used to re-establish connections - - public static final int MAX_RETRY_TIMEOUT = 300; - // Wait at most 5 minutes before trying to reconnect - - // States - public static final int CONNECTED = 0; - public static final int DISCONNECTED = 1; - public static final int RECONNECTING = 2; - - // If there has been a failure, try reconnecting - // at least every MAX_RETRY_TIMEOUT seconds - private int max_timeout_ = MAX_RETRY_TIMEOUT; - - // State of the handler - private int state_ = DISCONNECTED; - - // Difference between the remote time and the local time. - private long delta_ = 0; - - // Name of the remote host - private String hostname_; - - // Port used for the connection - private int port_; - - // Current timer interval - private int timeout_; - - // Reference to the Clerk Processor's timer queue - private TimerQueue tq_; - - // Message to send for a time update - private String sendMsg_; - - // ID of the handler in the queue - private int timerId_; - - // Desired time interval to receive updates - private int initialTimeout_; - -} diff --git a/java/netsvcs/Time/TSClerkProcessor.java b/java/netsvcs/Time/TSClerkProcessor.java deleted file mode 100755 index d7b1773cc9e..00000000000 --- a/java/netsvcs/Time/TSClerkProcessor.java +++ /dev/null @@ -1,267 +0,0 @@ -/************************************************* - * - * = PACKAGE - * netsvcs.Time - * - * = FILENAME - * TSClerkProcessor.java - * - *@author Prashant Jain, Everett Anderson - * - *************************************************/ -package netsvcs.Time; - -import java.io.*; -import java.net.*; -import java.util.*; -import JACE.OS.*; -import JACE.Misc.*; -import JACE.Connection.*; -import JACE.Reactor.*; -import JACE.ASX.TimeValue; - -/** - * - * <hr> - * <p><h2>SYNOPSIS</h2> - * - * <blockquote>Monitors a specified port (default 7989) and launches - * TSClerkHandlers when connections are made. The handlers communicate - * with servers and calculate the difference between the server time - * and local time. The Clerk Processor averages these differences - * and reports them to clients.</blockquote> - * - * <p><h2>DESCRIPTION</h2> - * - * <blockquote>This doesn't actually change the system clock, but it - * provides the average of the differences of the local and server - * times. A client could use this information to adjust the clock, or - * just use the midpoint to determine the correct network time.</blockquote> - * - */ -public class TSClerkProcessor extends Connector implements Runnable -{ - /** - * Default constructor - */ - public TSClerkProcessor () - { - this.serverArray_ = new Vector (); - - } - - /** - * Parse the command line, setup the TSRequestAcceptor, and run - * the Clerk Processor in its own thread. - */ - public int init (String [] args) - { - // Parse arguments - this.parseArgs (args); - - TSRequestAcceptor ra = new TSRequestAcceptor (this); - ra.init (args); - - // Run in own thread of control so that we don't block the caller - new Thread (this).start (); - return 0; - } - - - /** - * Makes connections to the servers, schedules itself for intervals - * to update the delta time. - */ - public void run () - { - - // Set up connections with all servers - Enumeration table = this.serverArray_.elements (); - while (table.hasMoreElements ()) - { - this.initiateConnection((TSClerkHandler)table.nextElement()); - } - - // Set up timer - this.timer_id_ = this.tq_.scheduleTimer (this, - null, - new TimeValue (this.timeout_), - new TimeValue (this.timeout_)); - } - - /** - * Makes connections to the servers. - */ - public void initiateConnection (TSClerkHandler handler) - { - this.open (handler.hostname(), handler.port()); - - try - { - // Connect to the server - this.connect (handler); - - // Set the state of the Clerk Handler so it queries the - // server at intervals. - handler.state(TSClerkHandler.CONNECTED); - - } - catch (UnknownHostException e) - { - ACE.ERROR (e); - } - catch (SocketException e) - { - ACE.ERROR ("Connection refused"); - } - catch (InstantiationException e) - { - ACE.ERROR (e); - } - catch (IllegalAccessException e) - { - ACE.ERROR (e); - } - catch (IOException e) - { - ACE.ERROR (e); - } - } - - - /** - * - * Called by the timer queue. Calls updateTime(). - */ - public int handleTimeout (TimeValue tv, Object obj) - { - return this.updateTime (); - } - - /** - * Calculates the delta time by averaging the results from - * Clerk Handler delta()'s. It only includes handlers whose - * state is currently CONNECTED. If they're not connected, it - * reschedules them to begin the error correction process of - * trying to reconnect to the server (possible synch problems?). - */ - protected int updateTime () - { - TSClerkHandler handler; - int count = 0; - long totalDeltaTime = 0; - - Enumeration table = this.serverArray_.elements (); - - while (table.hasMoreElements ()) - { - handler = (TSClerkHandler) table.nextElement (); - - if (handler.state() != TSClerkHandler.CONNECTED) { - - // Reconnecting state means we don't need to put - // it in the timer queue again - if (handler.state() == TSClerkHandler.RECONNECTING) - continue; - else - if (handler.state() == TSClerkHandler.DISCONNECTED) - handler.state(TSClerkHandler.RECONNECTING); - - handler.errorRecovery(); - continue; - } - - long delta = handler.delta(); - - ACE.DEBUG(handler.hostname() + ": " + delta); - - totalDeltaTime += delta; - count++; - } - - if (count > 0) { - - this.timeDelta_ = totalDeltaTime / count; - - ACE.DEBUG("Average deviation: " + totalDeltaTime/count); - - } else - - this.timeDelta_ = 0; - - return 0; - } - - /** - * Return the delta time. - */ - public long getDelta() - { - return this.timeDelta_; - } - - /** - * Parse the command line. Watches for -t <time> and - * -h <machine:port> switches. Must specify time - * value before host switches! - */ - protected void parseArgs (String args[]) - { - String s; - GetOpt opt = new GetOpt (args, "t:h:"); - for (int c; (c = opt.next ()) != -1; ) - { - switch (c) - { - case 't': - s = opt.optarg (); - this.timeout_ = (new Integer (s)).intValue (); - break; - case 'h': - s = opt.optarg (); - this.addNewHandler (s); - break; - default: - ACE.ERROR ("Bad command line argument: " + c); - - ACE.ERROR ("Valid arguments: -t <timeout> -h <hostname>:<port> -h ..."); - break; - } - } - } - - /** - * - * Creates a new Clerk Handler and adds it to the serverArray_ - */ - private void addNewHandler (String s) - { - StringTokenizer tokens = new StringTokenizer (s, ":"); - String hostname = tokens.nextToken (); - - int port = (new Integer (tokens.nextToken ())).intValue (); - - // Create new handler and add it to array of servers - this.serverArray_.addElement (new TSClerkHandler (hostname, - port, - this.tq_, - this.timeout_, - this)); - } - - // Vector of TSClerkHandlers, one for each server - private Vector serverArray_; - - // Default interval at which to update the time - private int timeout_ = 1000; - - // Timer queue which calls handleTimeout when the Clerk Processor - // is supposed to update the time. - private TimerQueue tq_ = new TimerQueue (true); - - // Clerk Processor ID in the timer queue - private int timer_id_; - - // Average of the differences of the local and server times. - private long timeDelta_; -} diff --git a/java/netsvcs/Time/TSRequestAcceptor.java b/java/netsvcs/Time/TSRequestAcceptor.java deleted file mode 100755 index e02b0b261ba..00000000000 --- a/java/netsvcs/Time/TSRequestAcceptor.java +++ /dev/null @@ -1,142 +0,0 @@ -/************************************************* - * - * = PACKAGE - * netsvcs.Time - * - * = FILENAME - * TSRequestAcceptor.java - * - *@author Prashant Jain, Everett Anderson - * - *************************************************/ -package netsvcs.Time; - -import java.io.*; -import java.net.*; -import java.util.*; -import JACE.OS.*; -import JACE.Misc.*; -import JACE.Connection.*; -import JACE.Reactor.*; - -/** - * <hr> - * <p><h2>SYNOPSIS</h2> - * - * <blockquote>Monitors a specified port (default 7990) and launches - * TSRequestHandlers when connections are made. The handlers - * report the average deviation from the local time when input - * is received to their sockets.</blockquote> - * - * <p><h2>DESCRIPTION</h2> - * <blockquote>This is in place of the shared memory system used in C++ ACE. - * The clients need to request the correct time range from the Clerk, so - * they can do it with <a href="ACE.SOCK_SAP.SOCKStream.html#_top_"> - * <tt>sockets</tt></a>. An instance of TSRequestAcceptor is created - * and initialized in TSClerkProcessor init(). This should be the - * only place it's used.</blockquote> - * - * @see ACE.SOCK_SAP.SOCKAcceptor,ACE.netsvcs.Time.TSClerkProcessor - */ - -public class TSRequestAcceptor extends Acceptor implements Runnable -{ - /** - * Create an instance of TSRequestAcceptor. Default constructor. - */ - public TSRequestAcceptor (TSClerkProcessor parent) - { - this.parent_ = parent; - } - - /** - * - * Process command line arguments (port), and start this instance - * in its own thread. - * - */ - public int init(String [] args) - { - this.parseArgs (args); - - new Thread (this).start(); - return 0; - } - - /** - * - * Called when the thread starts. Open the port and accept - * connections. - */ - public void run () - { - try { - this.open (this.port_); - while (true) - this.accept(); - } - catch (SocketException e) - { - ACE.ERROR (e); - } - catch (InstantiationException e) - { - ACE.ERROR (e); - } - catch (IllegalAccessException e) - { - ACE.ERROR (e); - } - catch (IOException e) - { - ACE.ERROR (e); - } - - System.err.println("Stopped accepting"); - } - - /** - * - * Parse the command line. This only looks for -p <port number>. - * - */ - protected void parseArgs (String args[]) - { - String s; - GetOpt opt = new GetOpt (args, "p:"); - - for (int c; (c = opt.next ()) != -1; ) - { - switch (c) - { - case 'p': - s = opt.optarg (); - this.port_ = (new Integer (s)).intValue (); - break; - default: - ACE.ERROR("Invalid argument: " + c); - break; - } - } - } - - /** - * - * Modifies to behavior of Acceptor accept() so the TSClerkProcessor - * reference can be passed to the TSRequestHandler. - * - */ - - protected SvcHandler makeSvcHandler () - throws InstantiationException, IllegalAccessException - { - return (SvcHandler) new TSRequestHandler(parent_); - } - - // Port to monitor - private int port_ = 7990; - - // Reference to the Clerk Processor (which holds the time value) - private TSClerkProcessor parent_; -}; - diff --git a/java/netsvcs/Time/TSRequestHandler.java b/java/netsvcs/Time/TSRequestHandler.java deleted file mode 100755 index dbeded22250..00000000000 --- a/java/netsvcs/Time/TSRequestHandler.java +++ /dev/null @@ -1,106 +0,0 @@ -package netsvcs.Time; -/************************************************* - * - * = PACKAGE - * netsvcs.Time - * - * = FILENAME - * TSRequestHandler.java - * - *@author Prashant Jain, Everett Anderson - * - *************************************************/ -import java.io.*; -import java.util.*; -import JACE.OS.*; -import JACE.Connection.*; -import JACE.Reactor.*; - -/** - * <hr> - * <p><h2>SYNOPSIS</h2> - * - * <blockquote>Handles giving the client the average difference between - * the local time and the server times.</blockquote> - * - * <p><h2>DESCRIPTION</h2> - * - * <blockquote>Whenever the RequestHandler receives input to the port, it - * sends the current delta (average difference time) in return as a string. - * Instances of this class are created by TSRequestAcceptor.</blockquote> - */ -public class TSRequestHandler extends SvcHandler -{ - /** - * Constructor. Takes in a reference to the Clerk Processor - * so it can call TSClerkProcessor getDelta(). - */ - public TSRequestHandler (TSClerkProcessor processor) - { - this.processor_ = processor; - } - - /** - * - * Run this in a separate thread. - */ - public int open (Object obj) - { - new Thread (this).start (); - return 0; - } - - /** - * - * Called when the thread starts. This is the main code -- whenever - * input comes to the socket, it sends out the current delta time - * as a string. - */ - public void run () - { - int msgLen; - try - { - while (true) - { - StringBuffer msg = new StringBuffer (); - - msgLen = this.peer ().recv (msg); - - if (msgLen < 0) - break; - else { - - // No matter what was sent in, send the average difference back - - String msgOut = new String("" + this.processor_.getDelta() + '\n'); - this.peer ().send (msgOut); - - } - } - } - catch (NullPointerException e) - { - ACE.ERROR ("Connection reset by peer"); - } - catch (IOException e) - { - ACE.ERROR (e); - } - finally - { - try - { - this.peer ().close (); - } - catch (IOException e) - { - ACE.ERROR (e); - } - } - } - - - // Reference to the Clerk Processor to call getDelta() - TSClerkProcessor processor_; -} diff --git a/java/netsvcs/Time/TSServerAcceptor.java b/java/netsvcs/Time/TSServerAcceptor.java deleted file mode 100755 index 2d54f7b740b..00000000000 --- a/java/netsvcs/Time/TSServerAcceptor.java +++ /dev/null @@ -1,100 +0,0 @@ -/************************************************* - * - * = PACKAGE - * netsvcs.Time - * - * = FILENAME - * TS_Server_Acceptor.java - * - *@author Prashant Jain - * - *************************************************/ -package netsvcs.Time; - -import java.io.*; -import java.net.*; -import java.util.*; -import JACE.OS.*; -import JACE.Misc.*; -import JACE.Connection.*; -import JACE.Reactor.*; - -/** - * <hr> - * <p><h2>DESCRIPTION</h2> - * - * Acceptor: listens to a port and launches TSServerHandlers - * when connections are made. - * - * @see netsvcs.Time.TSServerHandler, JACE.Connection.Acceptor - */ -public class TSServerAcceptor extends Acceptor implements Runnable -{ - // Run this in its own thread - public int init (String [] args) - { - // Parse arguments - this.parseArgs (args); - - // Run in own thread of control so that we don't block the caller - new Thread (this).start (); - return 0; - } - - // Create a TSServerHandler for each client that wants to connect - public void run () - { - try - { - this.setHandlerFactory (Class.forName ("netsvcs.Time.TSServerHandler")); - this.open (this.port_); - while (true) - this.accept (); - } - catch (ClassNotFoundException e) - { - ACE.ERROR (e); - } - catch (SocketException e) - { - ACE.ERROR ("Socket Exception: " + e); - } - catch (InstantiationException e) - { - ACE.ERROR (e); - } - catch (IllegalAccessException e) - { - ACE.ERROR (e); - } - catch (IOException e) - { - ACE.ERROR (e); - } - - System.err.println("Stopped accepting"); - } - - // Process the command line - protected void parseArgs (String args[]) - { - String s; - GetOpt opt = new GetOpt (args, "p:"); - for (int c; (c = opt.next ()) != -1; ) - { - switch (c) - { - case 'p': - s = opt.optarg (); - this.port_ = (new Integer (s)).intValue (); - break; - default: - ACE.ERROR ("Unknown argument: " + c); - break; - } - } - } - - private int port_ = 7989; -} - diff --git a/java/netsvcs/Time/TSServerHandler.java b/java/netsvcs/Time/TSServerHandler.java deleted file mode 100755 index 4ee700254ed..00000000000 --- a/java/netsvcs/Time/TSServerHandler.java +++ /dev/null @@ -1,99 +0,0 @@ -/************************************************* - * - * = PACKAGE - * netsvcs.Time - * - * = FILENAME - * TS_Server_Handler.java - * - *@author Prashant Jain, Everett Anderson - * - *************************************************/ -package netsvcs.Time; - -import java.io.*; -import java.util.*; -import JACE.OS.*; -import JACE.Connection.*; -import JACE.Reactor.*; - -/** - * <hr> - * <p><h2>DESCRIPTION</h2> - * - * <blockquote>Handles requests from a TSClerkHandler and sends - * back the current local time.</blockquote> - * - * @see netsvcs.Time.TSClerkHandler. netsvcs.Time.TSServerAcceptor - */ - -public class TSServerHandler extends SvcHandler -{ - // Constructor - public TSServerHandler () - { - } - - // Start this handler in its own thread - public int open (Object obj) - { - - new Thread (this).start (); - return 0; - } - - // Wait for messages from the Client and send the current local - // time back as a string. - public void run () - { - int msgLen; - try - { - while (true) - { - // Use a new one each time since recv appends - StringBuffer msg = new StringBuffer (); - - // Get the message from the client (blocks) - msgLen = this.peer ().recv (msg); - - // Just keep waiting if there's a problem - if (msgLen <= 0) - break; - - // Is the message for the right thing? - if (msg.toString().compareTo ("TIME_UPDATE_REQUEST") != 0) { - System.err.println("Unknown message: \"" + msg + '\"'); - this.peer().send("\n"); // send so other side isn't stuck - break; - } - - // Get local time - long time = System.currentTimeMillis(); - - // Send as a string - this.peer ().send ("" + time); - - ACE.DEBUG("Time: " + new Date(time)); - } - } - catch (NullPointerException e) - { - ACE.ERROR ("Connection reset by peer"); - } - catch (IOException e) - { - ACE.ERROR (e); - } - finally - { - try - { - this.peer ().close (); - } - catch (IOException e) - { - } - } - } -} |