/** * 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); }