/**
* Writes a log message.
*
* @param str strings to be written
* @param time add performance info
*/
public void log(final boolean time, final Object... str) {
final Object[] obj = new Object[str.length + (time ? 2 : 1)];
obj[0] = remote();
System.arraycopy(str, 0, obj, 1, str.length);
if (time) obj[obj.length - 1] = perf.toString();
context.log.write(obj);
}
/**
* Parses the query.
*
* @param p performance
* @throws QueryException query exception
*/
private void parse(final Performance p) throws QueryException {
qp.http(http);
for (final Entry<String, String[]> entry : vars.entrySet()) {
final String name = entry.getKey();
final String[] value = entry.getValue();
if (name == null) qp.context(value[0], value[1]);
else qp.bind(name, value[0], value[1]);
}
qp.parse();
if (p != null) info.parsing += p.time();
}
/**
* Authenticate the user and returns a new client {@link Context} instance.
*
* @return client context
* @throws LoginException login exception
*/
public Context authenticate() throws LoginException {
final byte[] address = token(req.getRemoteAddr());
try {
if (user == null || user.isEmpty() || pass == null || pass.isEmpty())
throw new LoginException(NOPASSWD);
final Context ctx = new Context(context(), null);
ctx.user = ctx.users.get(user);
if (ctx.user == null || !ctx.user.password.equals(md5(pass))) throw new LoginException();
context.blocker.remove(address);
return ctx;
} catch (final LoginException ex) {
// delay users with wrong passwords
for (int d = context.blocker.delay(address); d > 0; d--) Performance.sleep(100);
throw ex;
}
}
/**
* Evaluates the specified query.
*
* @param query query
* @return success flag
*/
final boolean query(final String query) {
final Performance p = new Performance();
String error;
if (exception != null) {
error = Util.message(exception);
} else {
try {
long hits = 0;
final boolean run = options.get(MainOptions.RUNQUERY);
final boolean serial = options.get(MainOptions.SERIALIZE);
final int runs = Math.max(1, options.get(MainOptions.RUNS));
for (int r = 0; r < runs; ++r) {
// reuse existing processor instance
if (r != 0) qp = null;
qp(query, context);
parse(p);
if (r == 0) plan(false);
qp.compile();
info.compiling += p.time();
if (r == 0) plan(true);
if (!run) continue;
final PrintOutput po = r == 0 && serial ? out : new NullOutput();
try (final Serializer ser = qp.getSerializer(po)) {
if (maxResults >= 0) {
result = qp.cache(maxResults);
info.evaluating += p.time();
result.serialize(ser);
hits = result.size();
} else {
hits = 0;
final Iter ir = qp.iter();
info.evaluating += p.time();
for (Item it; (it = ir.next()) != null; ) {
ser.serialize(it);
++hits;
checkStop();
}
}
}
qp.close();
info.serializing += p.time();
}
// dump some query info
// out.flush();
// remove string list if global locking is used and if query is updating
if (soptions.get(StaticOptions.GLOBALLOCK) && qp.updating) {
info.readLocked = null;
info.writeLocked = null;
}
return info(info.toString(qp, out.size(), hits, options.get(MainOptions.QUERYINFO)));
} catch (final QueryException | IOException ex) {
exception = ex;
error = Util.message(ex);
} catch (final ProcException ex) {
error = INTERRUPTED;
} catch (final StackOverflowError ex) {
Util.debug(ex);
error = BASX_STACKOVERFLOW.desc;
} catch (final RuntimeException ex) {
extError("");
Util.debug(info());
throw ex;
} finally {
// close processor after exceptions
if (qp != null) qp.close();
}
}
return extError(error);
}