/** Add session. */
public void addSession(Session session) {
synchronized (mutex) {
sessions.put(session.getId(), session);
sessionCacheDirty = true;
}
// log(session.getId() + " at " + session.getAddress() + " adding ");
info(session.getId() + " at " + session.getAddress() + " added ");
}
/** Register session for removal. */
public Session removeSession(Session aSession) {
synchronized (mutex) {
Session session = (Session) sessions.remove(aSession.getId());
if (session != null) {
info(session.getId() + " at " + session.getAddress() + " removed ");
}
sessionCacheDirty = true;
return session;
}
}
@OnOpen
public void open(Session session) {
peers.add(session);
Tweet tweet = new Tweet();
tweet.setAuthor("THE SERVER");
tweet.setMessage("Welcome! We will provide you with data " + "as soon as we have it available");
List<Tweet> tweets = Arrays.asList(tweet);
session.getAsyncRemote().sendText(Tweet.listToJsonArray(tweets).toString());
logger.info("opened session with id " + session.getId());
}
protected void createSessionsTable(List<Session> sessions) {
table().attr("cellpadding", "0", "cellspacing", "0", "border", "0", "class", "display");
thead();
tr();
createThs("Id", "Last Used");
end();
end();
tbody();
for (Session s : sessions) {
tr();
createTds(s.getId(), formatDurationHMS(System.currentTimeMillis() - s.getLastUsed()));
end();
}
end();
end();
}
/**
* Method declaration
*
* @param c
* @param s
* @throws SQLException
*/
void write(Session c, String s) throws SQLException {
if (bRestoring || s == null || s.length() == 0) {
return;
}
if (!bReadOnly) {
int id = 0;
if (c != null) {
id = c.getId();
}
if (id != mLastId) {
s = "/*C" + id + "*/" + s;
mLastId = id;
}
try {
writeLine(wScript, s);
if (bWriteDelay) {
bNeedFlush = true;
} else {
wScript.flush();
}
} catch (IOException e) {
throw Trace.error(Trace.FILE_IO_ERROR, sFileScript);
}
// fredt@users - todo - eliminate new File() calls
if (iLogSize > 0 && iLogCount++ > 100) {
iLogCount = 0;
if (scriptChecker.length() > iLogSize * 1024 * 1024) {
checkpoint(false);
}
}
}
}
/**
* Method declaration
*
* @throws SQLException
*/
private void runScript() throws SQLException {
if (Trace.TRACE) {
Trace.trace();
}
if (!(new File(sFileScript)).exists()) {
return;
}
bRestoring = true;
dDatabase.setReferentialIntegrity(false);
HsqlArrayList session = new HsqlArrayList();
session.add(sysSession);
Session current = sysSession;
try {
long time = 0;
if (Trace.TRACE) {
time = System.currentTimeMillis();
}
LineNumberReader r = new LineNumberReader(new FileReader(sFileScript));
while (true) {
String s = readLine(r);
if (s == null) {
break;
}
if (s.startsWith("/*C")) {
int id = Integer.parseInt(s.substring(3, s.indexOf('*', 4)));
if (id >= session.size()) {
session.setSize(id + 1);
}
current = (Session) session.get(id);
if (current == null) {
current = new Session(sysSession, id);
session.set(id, current);
dDatabase.registerSession(current);
}
s = s.substring(s.indexOf('/', 1) + 1);
}
if (s.length() != 0) {
Result result = dDatabase.execute(s, current);
if ((result != null) && (result.iMode == Result.ERROR)) {
throw (Trace.getError(result.errorCode, result.sError));
}
}
if (s.equals("DISCONNECT")) {
int id = current.getId();
current = new Session(sysSession, id);
session.set(id, current);
}
}
r.close();
for (int i = 0; i < session.size(); i++) {
current = (Session) session.get(i);
if (current != null) {
current.rollback();
}
}
if (Trace.TRACE) {
Trace.trace(time - System.currentTimeMillis());
}
} catch (IOException e) {
throw Trace.error(Trace.FILE_IO_ERROR, sFileScript + " " + e);
}
dDatabase.setReferentialIntegrity(true);
bRestoring = false;
}
