Merge: Querylog: speed up, change format, robust search

Close #1099 Close #1094

* commit '62c8664fd75439b7597d935992c380f9c0675660':
  + client: load additional search results
  + client: separate filters from the table component
  + client: hide page size option and page info
  + client: use oldest param
  * openapi: update 'QueryLog'
  * querylog: add more tests
  * QueryLog.Add() now receives net.IP, not net.Addr
  * querylog: major refactor: change on-disk format and API

AGHTechDoc.md

@@ -1012,17 +1012,20 @@ Response:
 When a new DNS request is received and processed, we store information about this event in "query log".  It is a file on disk in JSON format:
 
 	{
-	"Question":"...","
+	"IP":"127.0.0.1", // client IP
-	Answer":"...",
+	"T":"...", // response time
+	"QH":"...", // target host name without the last dot
+	"QT":"...", // question type
+	"QC":"...", // question class
+	"Answer":"...",
 	"Result":{
 		"IsFiltered":true,
 		"Reason":3,
 		"Rule":"...",
 		"FilterID":1
 		},
-	"Time":"...",
 	"Elapsed":12345,
-	"IP":"127.0.0.1"
+	"Upstream":"...",
 	}
 
 
@@ -1052,7 +1055,7 @@ Request:
 	&filter_question_type=A | AAAA
 	&filter_response_status= | filtered
 
-If `older_than` value is set, server returns the next chunk of entries that are older than this time stamp.  This setting is used for paging.  UI sets the empty value on the first request and gets the latest log entries.  To get the older entries, UI sets this value to the timestamp of the last (the oldest) entry from the previous response from Server.
+`older_than` setting is used for paging.  UI uses an empty value for `older_than` on the first request and gets the latest log entries.  To get the older entries, UI sets `older_than` to the `oldest` value from the server's response.
 
 If "filter" settings are set, server returns only entries that match the specified request.
 
@@ -1060,7 +1063,9 @@ For `filter.domain` and `filter.client` the server matches substrings by default
 
 Response:
 
-	[
+	{
+	"oldest":"2006-01-02T15:04:05.999999999Z07:00"
+	"data":[
 	{
 		"answer":[
 			{
@@ -1085,6 +1090,7 @@ Response:
 	}
 	...
 	]
+	}
 
 The most recent entries are at the top of list.
 

client/src/actions/queryLogs.js

@@ -3,26 +3,100 @@ import { createAction } from 'redux-actions';
 import apiClient from '../api/Api';
 import { addErrorToast, addSuccessToast } from './index';
 import { normalizeLogs } from '../helpers/helpers';
+import { TABLE_DEFAULT_PAGE_SIZE } from '../helpers/constants';
+
+const getLogsWithParams = async (config) => {
+    const { older_than, filter, ...values } = config;
+    const rawLogs = await apiClient.getQueryLog({ ...filter, older_than });
+    const { data, oldest } = rawLogs;
+    const logs = normalizeLogs(data);
+
+    return {
+        logs, oldest, older_than, filter, ...values,
+    };
+};
+
+export const getAdditionalLogsRequest = createAction('GET_ADDITIONAL_LOGS_REQUEST');
+export const getAdditionalLogsFailure = createAction('GET_ADDITIONAL_LOGS_FAILURE');
+export const getAdditionalLogsSuccess = createAction('GET_ADDITIONAL_LOGS_SUCCESS');
+
+const checkFilteredLogs = async (data, filter, dispatch, total) => {
+    const { logs, oldest } = data;
+    const totalData = total || { logs };
+
+    const needToGetAdditionalLogs = (logs.length < TABLE_DEFAULT_PAGE_SIZE ||
+        totalData.logs.length < TABLE_DEFAULT_PAGE_SIZE) &&
+        oldest !== '';
+
+    if (needToGetAdditionalLogs) {
+        dispatch(getAdditionalLogsRequest());
+
+        try {
+            const additionalLogs = await getLogsWithParams({ older_than: oldest, filter });
+            if (additionalLogs.logs.length > 0) {
+                return await checkFilteredLogs(additionalLogs, filter, dispatch, {
+                    logs: [...totalData.logs, ...additionalLogs.logs],
+                    oldest: additionalLogs.oldest,
+                });
+            }
+            dispatch(getAdditionalLogsSuccess());
+            return totalData;
+        } catch (error) {
+            dispatch(addErrorToast({ error }));
+            dispatch(getAdditionalLogsFailure(error));
+        }
+    }
+
+    dispatch(getAdditionalLogsSuccess());
+    return totalData;
+};
 
 export const setLogsPagination = createAction('LOGS_PAGINATION');
-export const setLogsFilter = createAction('LOGS_FILTER');
+export const setLogsPage = createAction('SET_LOG_PAGE');
 
 export const getLogsRequest = createAction('GET_LOGS_REQUEST');
 export const getLogsFailure = createAction('GET_LOGS_FAILURE');
 export const getLogsSuccess = createAction('GET_LOGS_SUCCESS');
 
-export const getLogs = config => async (dispatch) => {
+export const getLogs = config => async (dispatch, getState) => {
     dispatch(getLogsRequest());
     try {
-        const { filter, lastRowTime: older_than } = config;
+        const { isFiltered, filter, page } = getState().queryLogs;
-        const logs = normalizeLogs(await apiClient.getQueryLog({ ...filter, older_than }));
+        const data = await getLogsWithParams({ ...config, filter });
-        dispatch(getLogsSuccess({ logs, ...config }));
+
+        if (isFiltered) {
+            const additionalData = await checkFilteredLogs(data, filter, dispatch);
+            const updatedData = additionalData.logs ? { ...data, ...additionalData } : data;
+            dispatch(getLogsSuccess(updatedData));
+            dispatch(setLogsPagination({ page, pageSize: TABLE_DEFAULT_PAGE_SIZE }));
+        } else {
+            dispatch(getLogsSuccess(data));
+        }
     } catch (error) {
         dispatch(addErrorToast({ error }));
         dispatch(getLogsFailure(error));
     }
 };
 
+export const setLogsFilterRequest = createAction('SET_LOGS_FILTER_REQUEST');
+export const setLogsFilterFailure = createAction('SET_LOGS_FILTER_FAILURE');
+export const setLogsFilterSuccess = createAction('SET_LOGS_FILTER_SUCCESS');
+
+export const setLogsFilter = filter => async (dispatch) => {
+    dispatch(setLogsFilterRequest());
+    try {
+        const data = await getLogsWithParams({ older_than: '', filter });
+        const additionalData = await checkFilteredLogs(data, filter, dispatch);
+        const updatedData = additionalData.logs ? { ...data, ...additionalData } : data;
+
+        dispatch(setLogsFilterSuccess({ ...updatedData, filter }));
+        dispatch(setLogsPage(0));
+    } catch (error) {
+        dispatch(addErrorToast({ error }));
+        dispatch(setLogsFilterFailure(error));
+    }
+};
+
 export const clearLogsRequest = createAction('CLEAR_LOGS_REQUEST');
 export const clearLogsFailure = createAction('CLEAR_LOGS_FAILURE');
 export const clearLogsSuccess = createAction('CLEAR_LOGS_SUCCESS');

client/src/components/Logs/Filters/Form.js

@@ -0,0 +1,116 @@
+import React, { Fragment } from 'react';
+import PropTypes from 'prop-types';
+import { Field, reduxForm } from 'redux-form';
+import { withNamespaces, Trans } from 'react-i18next';
+import flow from 'lodash/flow';
+
+import { renderField } from '../../../helpers/form';
+import { RESPONSE_FILTER } from '../../../helpers/constants';
+import Tooltip from '../../ui/Tooltip';
+
+const renderFilterField = ({
+    input,
+    id,
+    className,
+    placeholder,
+    type,
+    disabled,
+    autoComplete,
+    tooltip,
+    meta: { touched, error },
+}) => (
+    <Fragment>
+        <div className="logs__input-wrap">
+            <input
+                {...input}
+                id={id}
+                placeholder={placeholder}
+                type={type}
+                className={className}
+                disabled={disabled}
+                autoComplete={autoComplete}
+            />
+            <span className="logs__notice">
+                <Tooltip text={tooltip} type='tooltip-custom--logs' />
+            </span>
+            {!disabled &&
+                touched &&
+                (error && <span className="form__message form__message--error">{error}</span>)}
+        </div>
+    </Fragment>
+);
+
+const Form = (props) => {
+    const {
+        t,
+        handleChange,
+    } = props;
+
+    return (
+        <form onSubmit={handleChange}>
+            <div className="row">
+                <div className="col-6 col-sm-3 my-2">
+                    <Field
+                        id="filter_domain"
+                        name="filter_domain"
+                        component={renderFilterField}
+                        type="text"
+                        className="form-control"
+                        placeholder={t('domain_name_table_header')}
+                        tooltip={t('query_log_strict_search')}
+                        onChange={handleChange}
+                    />
+                </div>
+                <div className="col-6 col-sm-3 my-2">
+                    <Field
+                        id="filter_question_type"
+                        name="filter_question_type"
+                        component={renderField}
+                        type="text"
+                        className="form-control"
+                        placeholder={t('type_table_header')}
+                        onChange={handleChange}
+                    />
+                </div>
+                <div className="col-6 col-sm-3 my-2">
+                    <Field
+                        name="filter_response_status"
+                        component="select"
+                        className="form-control custom-select"
+                    >
+                        <option value={RESPONSE_FILTER.ALL}>
+                            <Trans>show_all_filter_type</Trans>
+                        </option>
+                        <option value={RESPONSE_FILTER.FILTERED}>
+                            <Trans>show_filtered_type</Trans>
+                        </option>
+                    </Field>
+                </div>
+                <div className="col-6 col-sm-3 my-2">
+                    <Field
+                        id="filter_client"
+                        name="filter_client"
+                        component={renderFilterField}
+                        type="text"
+                        className="form-control"
+                        placeholder={t('client_table_header')}
+                        tooltip={t('query_log_strict_search')}
+                        onChange={handleChange}
+                    />
+                </div>
+            </div>
+        </form>
+    );
+};
+
+Form.propTypes = {
+    handleChange: PropTypes.func,
+    t: PropTypes.func.isRequired,
+};
+
+export default flow([
+    withNamespaces(),
+    reduxForm({
+        form: 'logsFilterForm',
+    }),
+])(Form);

client/src/components/Logs/Filters/index.js

@@ -0,0 +1,52 @@
+import React, { Component } from 'react';
+import PropTypes from 'prop-types';
+import debounce from 'lodash/debounce';
+import classnames from 'classnames';
+
+import { DEBOUNCE_FILTER_TIMEOUT, RESPONSE_FILTER } from '../../../helpers/constants';
+import { isValidQuestionType } from '../../../helpers/helpers';
+import Form from './Form';
+import Card from '../../ui/Card';
+
+class Filters extends Component {
+    getFilters = ({
+        filter_domain, filter_question_type, filter_response_status, filter_client,
+    }) => ({
+        filter_domain: filter_domain || '',
+        filter_question_type: isValidQuestionType(filter_question_type) ? filter_question_type.toUpperCase() : '',
+        filter_response_status: filter_response_status === RESPONSE_FILTER.FILTERED ? filter_response_status : '',
+        filter_client: filter_client || '',
+    });
+
+    handleFormChange = debounce((values) => {
+        const filter = this.getFilters(values);
+        this.props.setLogsFilter(filter);
+    }, DEBOUNCE_FILTER_TIMEOUT);
+
+    render() {
+        const { filter, processingAdditionalLogs } = this.props;
+
+        const cardBodyClass = classnames({
+            'card-body': true,
+            'card-body--loading': processingAdditionalLogs,
+        });
+
+        return (
+            <Card bodyType={cardBodyClass}>
+                <Form
+                    initialValues={filter}
+                    onChange={this.handleFormChange}
+                />
+            </Card>
+        );
+    }
+}
+
+Filters.propTypes = {
+    filter: PropTypes.object.isRequired,
+    setLogsFilter: PropTypes.func.isRequired,
+    processingGetLogs: PropTypes.bool.isRequired,
+    processingAdditionalLogs: PropTypes.bool.isRequired,
+};
+
+export default Filters;

client/src/components/Logs/index.js

@@ -5,46 +5,40 @@ import escapeRegExp from 'lodash/escapeRegExp';
 import endsWith from 'lodash/endsWith';
 import { Trans, withNamespaces } from 'react-i18next';
 import { HashLink as Link } from 'react-router-hash-link';
-import debounce from 'lodash/debounce';
 
 import {
     formatTime,
     formatDateTime,
-    isValidQuestionType,
 } from '../../helpers/helpers';
-import { SERVICES, FILTERED_STATUS, DEBOUNCE_TIMEOUT, DEFAULT_LOGS_FILTER } from '../../helpers/constants';
+import { SERVICES, FILTERED_STATUS, TABLE_DEFAULT_PAGE_SIZE } from '../../helpers/constants';
 import { getTrackerData } from '../../helpers/trackers/trackers';
 import { formatClientCell } from '../../helpers/formatClientCell';
 
+import Filters from './Filters';
 import PageTitle from '../ui/PageTitle';
 import Card from '../ui/Card';
 import Loading from '../ui/Loading';
 import PopoverFiltered from '../ui/PopoverFilter';
 import Popover from '../ui/Popover';
-import Tooltip from '../ui/Tooltip';
 import './Logs.css';
 
 const TABLE_FIRST_PAGE = 0;
-const TABLE_DEFAULT_PAGE_SIZE = 50;
+const INITIAL_REQUEST_DATA = ['', TABLE_FIRST_PAGE, TABLE_DEFAULT_PAGE_SIZE];
-const INITIAL_REQUEST_DATA = ['', DEFAULT_LOGS_FILTER, TABLE_FIRST_PAGE, TABLE_DEFAULT_PAGE_SIZE];
 const FILTERED_REASON = 'Filtered';
-const RESPONSE_FILTER = {
-    ALL: 'all',
-    FILTERED: 'filtered',
-};
 
 class Logs extends Component {
     componentDidMount() {
+        this.props.setLogsPage(TABLE_FIRST_PAGE);
         this.getLogs(...INITIAL_REQUEST_DATA);
         this.props.getFilteringStatus();
         this.props.getClients();
         this.props.getLogsConfig();
     }
 
-    getLogs = (lastRowTime, filter, page, pageSize, filtered) => {
+    getLogs = (older_than, page) => {
         if (this.props.queryLogs.enabled) {
             this.props.getLogs({
-                lastRowTime, filter, page, pageSize, filtered,
+                older_than, page, pageSize: TABLE_DEFAULT_PAGE_SIZE,
             });
         }
     };
@@ -53,16 +47,6 @@ class Logs extends Component {
         window.location.reload();
     };
 
-    handleLogsFiltering = debounce((lastRowTime, filter, page, pageSize, filtered) => {
-        this.props.getLogs({
-            lastRowTime,
-            filter,
-            page,
-            pageSize,
-            filtered,
-        });
-    }, DEBOUNCE_TIMEOUT);
-
     renderTooltip = (isFiltered, rule, filter, service) =>
         isFiltered && <PopoverFiltered rule={rule} filter={filter} service={service} />;
 
@@ -232,72 +216,26 @@ class Logs extends Component {
         );
     };
 
-    getFilterInput = ({ filter, onChange }) => (
-        <Fragment>
-            <div className="logs__input-wrap">
-                <input
-                    type="text"
-                    className="form-control"
-                    onChange={event => onChange(event.target.value)}
-                    value={filter ? filter.value : ''}
-                />
-                <span className="logs__notice">
-                    <Tooltip text={this.props.t('query_log_strict_search')} type='tooltip-custom--logs' />
-                </span>
-            </div>
-        </Fragment>
-    );
-
-    getFilters = (filtered) => {
-        const filteredObj = filtered.reduce((acc, cur) => ({ ...acc, [cur.id]: cur.value }), {});
-        const {
-            domain, client, type, response,
-        } = filteredObj;
-
-        return {
-            filter_domain: domain || '',
-            filter_client: client || '',
-            filter_question_type: isValidQuestionType(type) ? type.toUpperCase() : '',
-            filter_response_status: response === RESPONSE_FILTER.FILTERED ? response : '',
-        };
-    };
-
     fetchData = (state) => {
-        const { pageSize, page, pages } = state;
+        const { pages } = state;
-        const { allLogs, filter } = this.props.queryLogs;
+        const { oldest, page } = this.props.queryLogs;
         const isLastPage = pages && (page + 1 === pages);
 
         if (isLastPage) {
-            const lastRow = allLogs[allLogs.length - 1];
+            this.getLogs(oldest, page);
-            const lastRowTime = (lastRow && lastRow.time) || '';
-            this.getLogs(lastRowTime, filter, page, pageSize, true);
-        } else {
-            this.props.setLogsPagination({ page, pageSize });
         }
     };
 
-    handleFilterChange = (filtered) => {
+    changePage = (page) => {
-        const filters = this.getFilters(filtered);
+        this.props.setLogsPage(page);
-        this.props.setLogsFilter(filters);
+        this.props.setLogsPagination({ page, pageSize: TABLE_DEFAULT_PAGE_SIZE });
-        this.handleLogsFiltering('', filters, TABLE_FIRST_PAGE, TABLE_DEFAULT_PAGE_SIZE, true);
+    };
-    }
-
-    showTotalPagesCount = (pages) => {
-        const { total, isEntireLog } = this.props.queryLogs;
-        const showEllipsis = !isEntireLog && total >= 500;
-
-        return (
-            <span className="-totalPages">
-                {pages || 1}{showEllipsis && '…' }
-            </span>
-        );
-    }
 
     renderLogs() {
         const { queryLogs, dashboard, t } = this.props;
         const { processingClients } = dashboard;
         const {
-            processingGetLogs, processingGetConfig, logs, pages,
+            processingGetLogs, processingGetConfig, logs, pages, page,
         } = queryLogs;
         const isLoading = processingGetLogs || processingClients || processingGetConfig;
 
@@ -306,7 +244,6 @@ class Logs extends Component {
                 Header: t('time_table_header'),
                 accessor: 'time',
                 maxWidth: 100,
-                filterable: false,
                 Cell: this.getTimeCell,
             },
             {
@@ -314,7 +251,6 @@ class Logs extends Component {
                 accessor: 'domain',
                 minWidth: 180,
                 Cell: this.getDomainCell,
-                Filter: this.getFilterInput,
             },
             {
                 Header: t('type_table_header'),
@@ -326,28 +262,6 @@ class Logs extends Component {
                 accessor: 'response',
                 minWidth: 250,
                 Cell: this.getResponseCell,
-                filterMethod: (filter, row) => {
-                    if (filter.value === RESPONSE_FILTER.FILTERED) {
-                        // eslint-disable-next-line no-underscore-dangle
-                        const { reason } = row._original;
-                        return this.checkFiltered(reason) || this.checkWhiteList(reason);
-                    }
-                    return true;
-                },
-                Filter: ({ filter, onChange }) => (
-                    <select
-                        className="form-control custom-select"
-                        onChange={event => onChange(event.target.value)}
-                        value={filter ? filter.value : RESPONSE_FILTER.ALL}
-                    >
-                        <option value={RESPONSE_FILTER.ALL}>
-                            <Trans>show_all_filter_type</Trans>
-                        </option>
-                        <option value={RESPONSE_FILTER.FILTERED}>
-                            <Trans>show_filtered_type</Trans>
-                        </option>
-                    </select>
-                ),
             },
             {
                 Header: t('client_table_header'),
@@ -355,34 +269,36 @@ class Logs extends Component {
                 maxWidth: 240,
                 minWidth: 240,
                 Cell: this.getClientCell,
-                Filter: this.getFilterInput,
             },
         ];
 
         return (
             <ReactTable
                 manual
-                filterable
                 minRows={5}
+                page={page}
                 pages={pages}
                 columns={columns}
+                filterable={false}
                 sortable={false}
                 data={logs || []}
                 loading={isLoading}
-                showPageJump={false}
-                onFetchData={this.fetchData}
-                onFilteredChange={this.handleFilterChange}
-                className="logs__table"
                 showPagination={true}
+                showPaginationTop={true}
+                showPageJump={false}
+                showPageSizeOptions={false}
+                onFetchData={this.fetchData}
+                onPageChange={this.changePage}
+                className="logs__table"
                 defaultPageSize={TABLE_DEFAULT_PAGE_SIZE}
                 previousText={t('previous_btn')}
                 nextText={t('next_btn')}
                 loadingText={t('loading_table_status')}
-                pageText={t('page_table_footer_text')}
-                ofText={t('of_table_footer_text')}
                 rowsText={t('rows_table_footer_text')}
                 noDataText={t('no_logs_found')}
-                renderTotalPagesCount={this.showTotalPagesCount}
+                pageText={''}
+                ofText={''}
+                renderTotalPagesCount={() => false}
                 defaultFilterMethod={(filter, row) => {
                     const id = filter.pivotId || filter.id;
                     return row[id] !== undefined
@@ -426,7 +342,9 @@ class Logs extends Component {
 
     render() {
         const { queryLogs, t } = this.props;
-        const { enabled, processingGetConfig } = queryLogs;
+        const {
+            enabled, processingGetConfig, processingAdditionalLogs, processingGetLogs,
+        } = queryLogs;
 
         const refreshButton = enabled ? (
             <button
@@ -446,7 +364,17 @@ class Logs extends Component {
             <Fragment>
                 <PageTitle title={t('query_log')}>{refreshButton}</PageTitle>
                 {enabled && processingGetConfig && <Loading />}
-                {enabled && !processingGetConfig && <Card>{this.renderLogs()}</Card>}
+                {enabled && !processingGetConfig && (
+                    <Fragment>
+                        <Filters
+                            filter={queryLogs.filter}
+                            processingGetLogs={processingGetLogs}
+                            processingAdditionalLogs={processingAdditionalLogs}
+                            setLogsFilter={this.props.setLogsFilter}
+                        />
+                        <Card>{this.renderLogs()}</Card>
+                    </Fragment>
+                )}
                 {!enabled && !processingGetConfig && (
                     <Card>
                         <div className="lead text-center py-6">
@@ -479,6 +407,7 @@ Logs.propTypes = {
     getLogsConfig: PropTypes.func.isRequired,
     setLogsPagination: PropTypes.func.isRequired,
     setLogsFilter: PropTypes.func.isRequired,
+    setLogsPage: PropTypes.func.isRequired,
     t: PropTypes.func.isRequired,
 };
 

client/src/components/ui/Card.css

@@ -33,6 +33,36 @@
     text-align: center;
 }
 
+.card-body--loading {
+    position: relative;
+}
+
+.card-body--loading:before {
+    content: "";
+    position: absolute;
+    top: 0;
+    left: 0;
+    z-index: 100;
+    width: 100%;
+    height: 100%;
+    background-color: rgba(255, 255, 255, 0.6);
+}
+
+.card-body--loading:after {
+    content: "";
+    position: absolute;
+    z-index: 101;
+    left: 50%;
+    top: 50%;
+    width: 40px;
+    height: 40px;
+    margin-top: -20px;
+    margin-left: -20px;
+    background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%2047.6%2047.6%22%20height%3D%22100%25%22%20width%3D%22100%25%22%3E%3Cpath%20opacity%3D%22.235%22%20fill%3D%22%23979797%22%20d%3D%22M44.4%2011.9l-5.2%203c1.5%202.6%202.4%205.6%202.4%208.9%200%209.8-8%2017.8-17.8%2017.8-6.6%200-12.3-3.6-15.4-8.9l-5.2%203C7.3%2042.8%2015%2047.6%2023.8%2047.6c13.1%200%2023.8-10.7%2023.8-23.8%200-4.3-1.2-8.4-3.2-11.9z%22%2F%3E%3Cpath%20fill%3D%22%2366b574%22%20d%3D%22M3.2%2035.7C0%2030.2-.8%2023.8.8%2017.6%202.5%2011.5%206.4%206.4%2011.9%203.2%2017.4%200%2023.8-.8%2030%20.8c6.1%201.6%2011.3%205.6%2014.4%2011.1l-5.2%203c-2.4-4.1-6.2-7.1-10.8-8.3C23.8%205.4%2019%206%2014.9%208.4s-7.1%206.2-8.3%2010.8c-1.2%204.6-.6%209.4%201.8%2013.5l-5.2%203z%22%2F%3E%3C%2Fsvg%3E");
+    will-change: transform;
+    animation: clockwise 2s linear infinite;
+}
+
 .card-title-stats {
     font-size: 13px;
     color: #9aa0ac;

client/src/components/ui/Tooltip.css

@@ -64,6 +64,7 @@
     top: calc(100% + 10px);
     right: -10px;
     left: initial;
+    width: 255px;
     transform: none;
 }
 

client/src/containers/Logs.js

@@ -1,7 +1,7 @@
 import { connect } from 'react-redux';
 import { addSuccessToast, getClients } from '../actions';
 import { getFilteringStatus, setRules } from '../actions/filtering';
-import { getLogs, getLogsConfig, setLogsPagination, setLogsFilter } from '../actions/queryLogs';
+import { getLogs, getLogsConfig, setLogsPagination, setLogsFilter, setLogsPage } from '../actions/queryLogs';
 import Logs from '../components/Logs';
 
 const mapStateToProps = (state) => {
@@ -19,6 +19,7 @@ const mapDispatchToProps = {
     getLogsConfig,
     setLogsPagination,
     setLogsFilter,
+    setLogsPage,
 };
 
 export default connect(

client/src/helpers/constants.js

@@ -141,6 +141,7 @@ export const STANDARD_HTTPS_PORT = 443;
 export const EMPTY_DATE = '0001-01-01T00:00:00Z';
 
 export const DEBOUNCE_TIMEOUT = 300;
+export const DEBOUNCE_FILTER_TIMEOUT = 500;
 export const CHECK_TIMEOUT = 1000;
 export const STOP_TIMEOUT = 10000;
 
@@ -379,3 +380,9 @@ export const DEFAULT_LOGS_FILTER = {
 };
 
 export const DEFAULT_LANGUAGE = 'en';
+
+export const TABLE_DEFAULT_PAGE_SIZE = 100;
+export const RESPONSE_FILTER = {
+    ALL: 'all',
+    FILTERED: 'filtered',
+};

client/src/reducers/queryLogs.js

@@ -20,25 +20,50 @@ const queryLogs = handleActions(
             };
         },
 
-        [actions.setLogsFilter]: (state, { payload }) => (
+        [actions.setLogsPage]: (state, { payload }) => ({
-            { ...state, filter: payload }
+            ...state,
-        ),
+            page: payload,
+        }),
+
+        [actions.setLogsFilterRequest]: state => ({ ...state, processingGetLogs: true }),
+        [actions.setLogsFilterFailure]: state => ({ ...state, processingGetLogs: false }),
+        [actions.setLogsFilterSuccess]: (state, { payload }) => {
+            const { logs, oldest, filter } = payload;
+            const pageSize = 100;
+            const page = 0;
+
+            const pages = Math.ceil(logs.length / pageSize);
+            const total = logs.length;
+            const rowsStart = pageSize * page;
+            const rowsEnd = (pageSize * page) + pageSize;
+            const logsSlice = logs.slice(rowsStart, rowsEnd);
+            const isFiltered = Object.keys(filter).some(key => filter[key]);
+
+            return {
+                ...state,
+                oldest,
+                filter,
+                isFiltered,
+                pages,
+                total,
+                logs: logsSlice,
+                allLogs: logs,
+                processingGetLogs: false,
+            };
+        },
 
         [actions.getLogsRequest]: state => ({ ...state, processingGetLogs: true }),
         [actions.getLogsFailure]: state => ({ ...state, processingGetLogs: false }),
         [actions.getLogsSuccess]: (state, { payload }) => {
             const {
-                logs, lastRowTime, page, pageSize, filtered,
+                logs, oldest, older_than, page, pageSize,
             } = payload;
             let logsWithOffset = state.allLogs.length > 0 ? state.allLogs : logs;
             let allLogs = logs;
 
-            if (lastRowTime) {
+            if (older_than) {
                 logsWithOffset = [...state.allLogs, ...logs];
                 allLogs = [...state.allLogs, ...logs];
-            } else if (filtered) {
-                logsWithOffset = logs;
-                allLogs = logs;
             }
 
             const pages = Math.ceil(logsWithOffset.length / pageSize);
@@ -49,6 +74,7 @@ const queryLogs = handleActions(
 
             return {
                 ...state,
+                oldest,
                 pages,
                 total,
                 allLogs,
@@ -81,20 +107,33 @@ const queryLogs = handleActions(
             ...payload,
             processingSetConfig: false,
         }),
+
+        [actions.getAdditionalLogsRequest]: state => ({
+            ...state, processingAdditionalLogs: true, processingGetLogs: true,
+        }),
+        [actions.getAdditionalLogsFailure]: state => ({
+            ...state, processingAdditionalLogs: false, processingGetLogs: false,
+        }),
+        [actions.getAdditionalLogsSuccess]: state => ({
+            ...state, processingAdditionalLogs: false, processingGetLogs: false,
+        }),
     },
     {
         processingGetLogs: true,
         processingClear: false,
         processingGetConfig: false,
         processingSetConfig: false,
+        processingAdditionalLogs: false,
         logs: [],
         interval: 1,
         allLogs: [],
+        page: 0,
         pages: 0,
         total: 0,
         enabled: true,
-        older_than: '',
+        oldest: '',
         filter: DEFAULT_LOGS_FILTER,
+        isFiltered: false,
     },
 );
 

dnsforward/dnsforward.go

@@ -462,7 +462,7 @@ func (s *Server) handleDNSRequest(p *proxy.Proxy, d *proxy.DNSContext) error {
 		if d.Upstream != nil {
 			upstreamAddr = d.Upstream.Address()
 		}
-		s.queryLog.Add(msg, d.Res, res, elapsed, d.Addr, upstreamAddr)
+		s.queryLog.Add(msg, d.Res, res, elapsed, getIP(d.Addr), upstreamAddr)
 	}
 
 	s.updateStats(d, elapsed, *res)
@@ -471,6 +471,17 @@ func (s *Server) handleDNSRequest(p *proxy.Proxy, d *proxy.DNSContext) error {
 	return nil
 }
 
+// Get IP address from net.Addr
+func getIP(addr net.Addr) net.IP {
+	switch addr := addr.(type) {
+	case *net.UDPAddr:
+		return addr.IP
+	case *net.TCPAddr:
+		return addr.IP
+	}
+	return nil
+}
+
 func (s *Server) updateStats(d *proxy.DNSContext, elapsed time.Duration, res dnsfilter.Result) {
 	if s.stats == nil {
 		return

openapi/CHANGELOG.md

@@ -1,6 +1,46 @@
 # AdGuard Home API Change Log
 
 
+## v0.99.3: API changes
+
+### API: Get query log: GET /control/querylog
+
+The response data is now a JSON object, not an array.
+
+Response:
+
+	200 OK
+
+	{
+	"oldest":"2006-01-02T15:04:05.999999999Z07:00"
+	"data":[
+	{
+		"answer":[
+			{
+			"ttl":10,
+			"type":"AAAA",
+			"value":"::"
+			}
+			...
+		],
+		"client":"127.0.0.1",
+		"elapsedMs":"0.098403",
+		"filterId":1,
+		"question":{
+			"class":"IN",
+			"host":"doubleclick.net",
+			"type":"AAAA"
+		},
+		"reason":"FilteredBlackList",
+		"rule":"||doubleclick.net^",
+		"status":"NOERROR",
+		"time":"2006-01-02T15:04:05.999999999Z07:00"
+	}
+	...
+	]
+	}
+
+
 ## v0.99.1: API changes
 
 ### API: Get current user info: GET /control/profile

openapi/openapi.yaml

@@ -1417,8 +1417,14 @@ definitions:
                 example: "2018-11-26T00:02:41+03:00"
 
     QueryLog:
-        type: "array"
+        type: "object"
         description: "Query log"
+        properties:
+            oldest:
+                type: "string"
+                example: "2018-11-26T00:02:41+03:00"
+            data:
+                type: "array"
                 items:
                     $ref: "#/definitions/QueryLogItem"
 

querylog/qlog.go

@@ -20,8 +20,8 @@ const (
 	queryLogFileName = "querylog.json" // .gz added during compression
 	getDataLimit     = 500             // GetData(): maximum log entries to return
 
-	// maximum data chunks to parse when filtering entries
+	// maximum entries to parse when searching
-	maxFilteringChunks = 10
+	maxSearchEntries = 50000
 )
 
 // queryLog is a structure that writes and reads the DNS query log
@@ -94,45 +94,31 @@ func (l *queryLog) clear() {
 }
 
 type logEntry struct {
-	Question []byte
+	IP   string    `json:"IP"`
+	Time time.Time `json:"T"`
+
+	QHost  string `json:"QH"`
+	QType  string `json:"QT"`
+	QClass string `json:"QC"`
+
 	Answer   []byte `json:",omitempty"` // sometimes empty answers happen like binerdunt.top or rev2.globalrootservers.net
 	Result   dnsfilter.Result
-	Time     time.Time
 	Elapsed  time.Duration
-	IP       string
 	Upstream string `json:",omitempty"` // if empty, means it was cached
 }
 
-// getIPString is a helper function that extracts IP address from net.Addr
+func (l *queryLog) Add(question *dns.Msg, answer *dns.Msg, result *dnsfilter.Result, elapsed time.Duration, ip net.IP, upstream string) {
-func getIPString(addr net.Addr) string {
-	switch addr := addr.(type) {
-	case *net.UDPAddr:
-		return addr.IP.String()
-	case *net.TCPAddr:
-		return addr.IP.String()
-	}
-	return ""
-}
-
-func (l *queryLog) Add(question *dns.Msg, answer *dns.Msg, result *dnsfilter.Result, elapsed time.Duration, addr net.Addr, upstream string) {
 	if !l.conf.Enabled {
 		return
 	}
 
-	var q []byte
+	if question == nil || len(question.Question) != 1 || len(question.Question[0].Name) == 0 ||
+		ip == nil {
+		return
+	}
+
 	var a []byte
 	var err error
-	ip := getIPString(addr)
-
-	if question == nil {
-		return
-	}
-
-	q, err = question.Pack()
-	if err != nil {
-		log.Printf("failed to pack question for querylog: %s", err)
-		return
-	}
 
 	if answer != nil {
 		a, err = answer.Pack()
@@ -148,14 +134,18 @@ func (l *queryLog) Add(question *dns.Msg, answer *dns.Msg, result *dnsfilter.Res
 
 	now := time.Now()
 	entry := logEntry{
-		Question: q,
+		IP:   ip.String(),
+		Time: now,
+
 		Answer:   a,
 		Result:   *result,
-		Time:     now,
 		Elapsed:  elapsed,
-		IP:       ip,
 		Upstream: upstream,
 	}
+	q := question.Question[0]
+	entry.QHost = strings.ToLower(q.Name[:len(q.Name)-1]) // remove the last dot
+	entry.QType = dns.Type(q.Qtype).String()
+	entry.QClass = dns.Class(q.Qclass).String()
 
 	l.bufferLock.Lock()
 	l.buffer = append(l.buffer, &entry)
@@ -182,33 +172,22 @@ func isNeeded(entry *logEntry, params getDataParams) bool {
 		return false
 	}
 
-	if len(params.Domain) != 0 || params.QuestionType != 0 {
+	if len(params.QuestionType) != 0 {
-		m := dns.Msg{}
+		if entry.QType != params.QuestionType {
-		_ = m.Unpack(entry.Question)
-
-		if params.QuestionType != 0 {
-			if m.Question[0].Qtype != params.QuestionType {
 			return false
 		}
 	}
 
-		if len(params.Domain) != 0 && params.StrictMatchDomain {
+	if len(params.Domain) != 0 {
-			if m.Question[0].Name != params.Domain {
+		if (params.StrictMatchDomain && entry.QHost != params.Domain) ||
+			(!params.StrictMatchDomain && strings.Index(entry.QHost, params.Domain) == -1) {
 			return false
 		}
-		} else if len(params.Domain) != 0 {
-			if strings.Index(m.Question[0].Name, params.Domain) == -1 {
-				return false
-			}
-		}
 	}
 
-	if len(params.Client) != 0 && params.StrictMatchClient {
+	if len(params.Client) != 0 {
-		if entry.IP != params.Client {
+		if (params.StrictMatchClient && entry.IP != params.Client) ||
-			return false
+			(!params.StrictMatchClient && strings.Index(entry.IP, params.Client) == -1) {
-		}
-	} else if len(params.Client) != 0 {
-		if strings.Index(entry.IP, params.Client) == -1 {
 			return false
 		}
 	}
@@ -216,31 +195,23 @@ func isNeeded(entry *logEntry, params getDataParams) bool {
 	return true
 }
 
-func (l *queryLog) readFromFile(params getDataParams) ([]*logEntry, int) {
+func (l *queryLog) readFromFile(params getDataParams) ([]*logEntry, time.Time, int) {
 	entries := []*logEntry{}
-	olderThan := params.OlderThan
+	oldest := time.Time{}
-	totalChunks := 0
-	total := 0
 
 	r := l.OpenReader()
 	if r == nil {
-		return entries, 0
+		return entries, time.Time{}, 0
 	}
-	r.BeginRead(olderThan, getDataLimit)
+	r.BeginRead(params.OlderThan, getDataLimit, &params)
-	for totalChunks < maxFilteringChunks {
+	total := uint64(0)
-		first := true
+	for total <= maxSearchEntries {
 		newEntries := []*logEntry{}
 		for {
 			entry := r.Next()
 			if entry == nil {
 				break
 			}
-			total++
-
-			if first {
-				first = false
-				olderThan = entry.Time
-			}
 
 			if !isNeeded(entry, params) {
 				continue
@@ -251,7 +222,7 @@ func (l *queryLog) readFromFile(params getDataParams) ([]*logEntry, int) {
 			newEntries = append(newEntries, entry)
 		}
 
-		log.Debug("entries: +%d (%d)  older-than:%s", len(newEntries), len(entries), olderThan)
+		log.Debug("entries: +%d (%d) [%d]", len(newEntries), len(entries), r.Total())
 
 		entries = append(newEntries, entries...)
 		if len(entries) > getDataLimit {
@@ -259,15 +230,16 @@ func (l *queryLog) readFromFile(params getDataParams) ([]*logEntry, int) {
 			entries = entries[toremove:]
 			break
 		}
-		if first || len(entries) == getDataLimit {
+		if r.Total() == 0 || len(entries) == getDataLimit {
 			break
 		}
-		totalChunks++
+		total += r.Total()
-		r.BeginReadPrev(olderThan, getDataLimit)
+		oldest = r.Oldest()
+		r.BeginReadPrev(getDataLimit)
 	}
 
 	r.Close()
-	return entries, total
+	return entries, oldest, int(total)
 }
 
 // Parameters for getData()
@@ -275,7 +247,7 @@ type getDataParams struct {
 	OlderThan         time.Time          // return entries that are older than this value
 	Domain            string             // filter by domain name in question
 	Client            string             // filter by client IP
-	QuestionType      uint16             // filter by question type
+	QuestionType      string             // filter by question type
 	ResponseStatus    responseStatusType // filter by response status
 	StrictMatchDomain bool               // if Domain value must be matched strictly
 	StrictMatchClient bool               // if Client value must be matched strictly
@@ -291,19 +263,16 @@ const (
 )
 
 // Get log entries
-func (l *queryLog) getData(params getDataParams) []map[string]interface{} {
+func (l *queryLog) getData(params getDataParams) map[string]interface{} {
 	var data = []map[string]interface{}{}
 
-	if len(params.Domain) != 0 && params.StrictMatchDomain {
+	var oldest time.Time
-		params.Domain = params.Domain + "."
-	}
-
 	now := time.Now()
 	entries := []*logEntry{}
 	total := 0
 
 	// add from file
-	entries, total = l.readFromFile(params)
+	entries, oldest, total = l.readFromFile(params)
 
 	if params.OlderThan.IsZero() {
 		params.OlderThan = now
@@ -332,26 +301,12 @@ func (l *queryLog) getData(params getDataParams) []map[string]interface{} {
 	// process the elements from latest to oldest
 	for i := len(entries) - 1; i >= 0; i-- {
 		entry := entries[i]
-		var q *dns.Msg
 		var a *dns.Msg
 
-		if len(entry.Question) == 0 {
-			continue
-		}
-		q = new(dns.Msg)
-		if err := q.Unpack(entry.Question); err != nil {
-			log.Tracef("q.Unpack(): %s", err)
-			continue
-		}
-		if len(q.Question) != 1 {
-			log.Tracef("len(q.Question) != 1")
-			continue
-		}
-
 		if len(entry.Answer) > 0 {
 			a = new(dns.Msg)
 			if err := a.Unpack(entry.Answer); err != nil {
-				log.Debug("Failed to unpack dns message answer: %s", err)
+				log.Debug("Failed to unpack dns message answer: %s: %s", err, string(entry.Answer))
 				a = nil
 			}
 		}
@@ -363,9 +318,9 @@ func (l *queryLog) getData(params getDataParams) []map[string]interface{} {
 			"client":    entry.IP,
 		}
 		jsonEntry["question"] = map[string]interface{}{
-			"host":  strings.ToLower(strings.TrimSuffix(q.Question[0].Name, ".")),
+			"host":  entry.QHost,
-			"type":  dns.Type(q.Question[0].Qtype).String(),
+			"type":  entry.QType,
-			"class": dns.Class(q.Question[0].Qclass).String(),
+			"class": entry.QClass,
 		}
 
 		if a != nil {
@@ -390,7 +345,17 @@ func (l *queryLog) getData(params getDataParams) []map[string]interface{} {
 
 	log.Debug("QueryLog: prepared data (%d/%d) older than %s in %s",
 		len(entries), total, params.OlderThan, time.Since(now))
-	return data
+
+	var result = map[string]interface{}{}
+	if len(entries) == getDataLimit {
+		oldest = entries[0].Time
+	}
+	result["oldest"] = ""
+	if !oldest.IsZero() {
+		result["oldest"] = oldest.Format(time.RFC3339Nano)
+	}
+	result["data"] = data
+	return result
 }
 
 func answerToMap(a *dns.Msg) []map[string]interface{} {
@@ -408,9 +373,9 @@ func answerToMap(a *dns.Msg) []map[string]interface{} {
 		// try most common record types
 		switch v := k.(type) {
 		case *dns.A:
-			answer["value"] = v.A
+			answer["value"] = v.A.String()
 		case *dns.AAAA:
-			answer["value"] = v.AAAA
+			answer["value"] = v.AAAA.String()
 		case *dns.MX:
 			answer["value"] = fmt.Sprintf("%v %v", v.Preference, v.Mx)
 		case *dns.CNAME:

querylog/qlog_http.go

@@ -67,12 +67,12 @@ func (l *queryLog) handleQueryLog(w http.ResponseWriter, r *http.Request) {
 	}
 
 	if len(req.filterQuestionType) != 0 {
-		qtype, ok := dns.StringToType[req.filterQuestionType]
+		_, ok := dns.StringToType[req.filterQuestionType]
 		if !ok {
 			httpError(r, w, http.StatusBadRequest, "invalid question_type")
 			return
 		}
-		params.QuestionType = qtype
+		params.QuestionType = req.filterQuestionType
 	}
 
 	if len(req.filterResponseStatus) != 0 {

querylog/querylog.go

@@ -21,7 +21,7 @@ type QueryLog interface {
 	Close()
 
 	// Add a log entry
-	Add(question *dns.Msg, answer *dns.Msg, result *dnsfilter.Result, elapsed time.Duration, addr net.Addr, upstream string)
+	Add(question *dns.Msg, answer *dns.Msg, result *dnsfilter.Result, elapsed time.Duration, ip net.IP, upstream string)
 
 	// WriteDiskConfig - write configuration
 	WriteDiskConfig(dc *DiskConfig)

querylog/querylog_file.go

@@ -4,13 +4,17 @@ import (
 	"bufio"
 	"bytes"
 	"compress/gzip"
+	"encoding/base64"
 	"encoding/json"
 	"io"
 	"os"
+	"strconv"
 	"strings"
 	"time"
 
+	"github.com/AdguardTeam/AdGuardHome/dnsfilter"
 	"github.com/AdguardTeam/golibs/log"
+	"github.com/miekg/dns"
 )
 
 const enableGzip = false
@@ -146,12 +150,14 @@ func (l *queryLog) periodicRotate() {
 // Reader is the DB reader context
 type Reader struct {
 	ql     *queryLog
+	search *getDataParams
 
 	f         *os.File
 	reader    *bufio.Reader // reads file line by line
 	now       time.Time
 	validFrom int64 // UNIX time (ns)
 	olderThan int64 // UNIX time (ns)
+	oldest    time.Time
 
 	files []string
 	ifile int
@@ -161,10 +167,12 @@ type Reader struct {
 	latest       bool   // return the latest entries
 	filePrepared bool
 
-	searching     bool       // we're seaching for an entry with exact time stamp
+	seeking       bool       // we're seaching for an entry with exact time stamp
 	fseeker       fileSeeker // file seeker object
 	fpos          uint64     // current file offset
 	nSeekRequests uint32     // number of Seek() requests made (finding a new line doesn't count)
+
+	timecnt uint64
 }
 
 type fileSeeker struct {
@@ -197,8 +205,8 @@ func (r *Reader) Close() {
 	if r.count > 0 {
 		perunit = elapsed / time.Duration(r.count)
 	}
-	log.Debug("querylog: read %d entries in %v, %v/entry, seek-reqs:%d",
+	log.Debug("querylog: read %d entries in %v, %v/entry, seek-reqs:%d  time:%dus (%d%%)",
-		r.count, elapsed, perunit, r.nSeekRequests)
+		r.count, elapsed, perunit, r.nSeekRequests, r.timecnt/1000, r.timecnt*100/uint64(elapsed.Nanoseconds()))
 
 	if r.f != nil {
 		r.f.Close()
@@ -208,25 +216,26 @@ func (r *Reader) Close() {
 // BeginRead - start reading
 // olderThan: stop returning entries when an entry with this time is reached
 // count: minimum number of entries to return
-func (r *Reader) BeginRead(olderThan time.Time, count uint64) {
+func (r *Reader) BeginRead(olderThan time.Time, count uint64, search *getDataParams) {
 	r.olderThan = olderThan.UnixNano()
 	r.latest = olderThan.IsZero()
+	r.oldest = time.Time{}
+	r.search = search
 	r.limit = count
 	if r.latest {
 		r.olderThan = r.now.UnixNano()
 	}
 	r.filePrepared = false
-	r.searching = false
+	r.seeking = false
 }
 
 // BeginReadPrev - start reading the previous data chunk
-func (r *Reader) BeginReadPrev(olderThan time.Time, count uint64) {
+func (r *Reader) BeginReadPrev(count uint64) {
-	r.olderThan = olderThan.UnixNano()
+	r.olderThan = r.oldest.UnixNano()
-	r.latest = olderThan.IsZero()
+	r.oldest = time.Time{}
+	r.latest = false
 	r.limit = count
-	if r.latest {
+	r.count = 0
-		r.olderThan = r.now.UnixNano()
-	}
 
 	off := r.fpos - maxEntrySize*(r.limit+1)
 	if int64(off) < maxEntrySize {
@@ -245,7 +254,7 @@ func (r *Reader) BeginReadPrev(olderThan time.Time, count uint64) {
 	r.fseeker.pos = r.fpos
 
 	r.filePrepared = true
-	r.searching = false
+	r.seeking = false
 }
 
 // Perform binary seek
@@ -335,7 +344,7 @@ func (r *Reader) prepareRead() bool {
 		}
 	} else {
 		// start searching in file: we'll read the first chunk of data from the middle of file
-		r.searching = true
+		r.seeking = true
 		r.fseeker = fileSeeker{}
 		r.fseeker.target = uint64(r.olderThan)
 		r.fseeker.hi = fsize
@@ -358,6 +367,226 @@ func (r *Reader) prepareRead() bool {
 	return true
 }
 
+// Get bool value from "key":bool
+func readJSONBool(s, name string) (bool, bool) {
+	i := strings.Index(s, "\""+name+"\":")
+	if i == -1 {
+		return false, false
+	}
+	start := i + 1 + len(name) + 2
+	b := false
+	if strings.HasPrefix(s[start:], "true") {
+		b = true
+	} else if !strings.HasPrefix(s[start:], "false") {
+		return false, false
+	}
+	return b, true
+}
+
+// Get value from "key":"value"
+func readJSONValue(s, name string) string {
+	i := strings.Index(s, "\""+name+"\":\"")
+	if i == -1 {
+		return ""
+	}
+	start := i + 1 + len(name) + 3
+	i = strings.IndexByte(s[start:], '"')
+	if i == -1 {
+		return ""
+	}
+	end := start + i
+	return s[start:end]
+}
+
+func (r *Reader) applySearch(str string) bool {
+	if r.search.ResponseStatus == responseStatusFiltered {
+		boolVal, ok := readJSONBool(str, "IsFiltered")
+		if !ok || !boolVal {
+			return false
+		}
+	}
+
+	if len(r.search.Domain) != 0 {
+		val := readJSONValue(str, "QH")
+		if len(val) == 0 {
+			return false
+		}
+
+		if (r.search.StrictMatchDomain && val != r.search.Domain) ||
+			(!r.search.StrictMatchDomain && strings.Index(val, r.search.Domain) == -1) {
+			return false
+		}
+	}
+
+	if len(r.search.QuestionType) != 0 {
+		val := readJSONValue(str, "QT")
+		if len(val) == 0 {
+			return false
+		}
+		if val != r.search.QuestionType {
+			return false
+		}
+	}
+
+	if len(r.search.Client) != 0 {
+		val := readJSONValue(str, "IP")
+		if len(val) == 0 {
+			log.Debug("QueryLog: failed to decode")
+			return false
+		}
+
+		if (r.search.StrictMatchClient && val != r.search.Client) ||
+			(!r.search.StrictMatchClient && strings.Index(val, r.search.Client) == -1) {
+			return false
+		}
+	}
+
+	return true
+}
+
+const (
+	jsonTErr = iota
+	jsonTObj
+	jsonTStr
+	jsonTNum
+	jsonTBool
+)
+
+// Parse JSON key-value pair
+//  e.g.: "key":VALUE where VALUE is "string", true|false (boolean), or 123.456 (number)
+// Note the limitations:
+//  . doesn't support whitespace
+//  . doesn't support "null"
+//  . doesn't validate boolean or number
+//  . no proper handling of {} braces
+//  . no handling of [] brackets
+// Return (key, value, type)
+func readJSON(ps *string) (string, string, int32) {
+	s := *ps
+	k := ""
+	v := ""
+	t := int32(jsonTErr)
+
+	q1 := strings.IndexByte(s, '"')
+	if q1 == -1 {
+		return k, v, t
+	}
+	q2 := strings.IndexByte(s[q1+1:], '"')
+	if q2 == -1 {
+		return k, v, t
+	}
+	k = s[q1+1 : q1+1+q2]
+	s = s[q1+1+q2+1:]
+
+	if len(s) < 2 || s[0] != ':' {
+		return k, v, t
+	}
+
+	if s[1] == '"' {
+		q2 = strings.IndexByte(s[2:], '"')
+		if q2 == -1 {
+			return k, v, t
+		}
+		v = s[2 : 2+q2]
+		t = jsonTStr
+		s = s[2+q2+1:]
+
+	} else if s[1] == '{' {
+		t = jsonTObj
+		s = s[1+1:]
+
+	} else {
+		sep := strings.IndexAny(s[1:], ",}")
+		if sep == -1 {
+			return k, v, t
+		}
+		v = s[1 : 1+sep]
+		if s[1] == 't' || s[1] == 'f' {
+			t = jsonTBool
+		} else if s[1] == '.' || (s[1] >= '0' && s[1] <= '9') {
+			t = jsonTNum
+		}
+		s = s[1+sep+1:]
+	}
+
+	*ps = s
+	return k, v, t
+}
+
+// nolint (gocyclo)
+func decode(ent *logEntry, str string) {
+	var b bool
+	var i int
+	var err error
+	for {
+		k, v, t := readJSON(&str)
+		if t == jsonTErr {
+			break
+		}
+		switch k {
+		case "IP":
+			ent.IP = v
+		case "T":
+			ent.Time, err = time.Parse(time.RFC3339, v)
+
+		case "QH":
+			ent.QHost = v
+		case "QT":
+			ent.QType = v
+		case "QC":
+			ent.QClass = v
+
+		case "Answer":
+			ent.Answer, err = base64.StdEncoding.DecodeString(v)
+
+		case "IsFiltered":
+			b, err = strconv.ParseBool(v)
+			ent.Result.IsFiltered = b
+		case "Rule":
+			ent.Result.Rule = v
+		case "FilterID":
+			i, err = strconv.Atoi(v)
+			ent.Result.FilterID = int64(i)
+		case "Reason":
+			i, err = strconv.Atoi(v)
+			ent.Result.Reason = dnsfilter.Reason(i)
+
+		case "Upstream":
+			ent.Upstream = v
+		case "Elapsed":
+			i, err = strconv.Atoi(v)
+			ent.Elapsed = time.Duration(i)
+
+		// pre-v0.99.3 compatibility:
+		case "Question":
+			var qstr []byte
+			qstr, err = base64.StdEncoding.DecodeString(v)
+			if err != nil {
+				break
+			}
+			q := new(dns.Msg)
+			err = q.Unpack(qstr)
+			if err != nil {
+				break
+			}
+			ent.QHost = q.Question[0].Name
+			if len(ent.QHost) == 0 {
+				break
+			}
+			ent.QHost = ent.QHost[:len(ent.QHost)-1]
+			ent.QType = dns.TypeToString[q.Question[0].Qtype]
+			ent.QClass = dns.ClassToString[q.Question[0].Qclass]
+		case "Time":
+			ent.Time, err = time.Parse(time.RFC3339, v)
+		}
+
+		if err != nil {
+			log.Debug("decode err: %s", err)
+			break
+		}
+	}
+}
+
 // Next - return the next entry or nil if reading is finished
 func (r *Reader) Next() *logEntry { // nolint
 	for {
@@ -379,24 +608,28 @@ func (r *Reader) Next() *logEntry { // nolint
 			r.filePrepared = true
 		}
 
-		// open decoder
 		b, err := r.reader.ReadBytes('\n')
 		if err != nil {
 			return nil
 		}
-		strReader := strings.NewReader(string(b))
+		str := string(b)
-		jd := json.NewDecoder(strReader)
 
-		// read data
+		val := readJSONValue(str, "T")
-		var entry logEntry
+		if len(val) == 0 {
-		err = jd.Decode(&entry)
+			val = readJSONValue(str, "Time")
-		if err != nil {
+		}
-			log.Debug("QueryLog: Failed to decode: %s", err)
+		if len(val) == 0 {
+			log.Debug("QueryLog: failed to decode")
 			continue
 		}
+		tm, err := time.Parse(time.RFC3339, val)
+		if err != nil {
+			log.Debug("QueryLog: failed to decode")
+			continue
+		}
+		t := tm.UnixNano()
 
-		t := entry.Time.UnixNano()
+		if r.seeking {
-		if r.searching {
 
 			r.reader = nil
 			rr := r.fseeker.seekBinary(uint64(t))
@@ -407,7 +640,7 @@ func (r *Reader) Next() *logEntry { // nolint
 			} else if rr == 0 {
 				// We found the target entry.
 				// We'll start reading the previous chunk of data.
-				r.searching = false
+				r.seeking = false
 
 				off := r.fpos - (maxEntrySize * (r.limit + 1))
 				if int64(off) < maxEntrySize {
@@ -430,19 +663,37 @@ func (r *Reader) Next() *logEntry { // nolint
 			continue
 		}
 
+		if r.oldest.IsZero() {
+			r.oldest = tm
+		}
+
 		if t < r.validFrom {
 			continue
 		}
 		if t >= r.olderThan {
 			return nil
 		}
-
 		r.count++
-		return &entry
+
+		if !r.applySearch(str) {
+			continue
+		}
+
+		st := time.Now()
+		var ent logEntry
+		decode(&ent, str)
+		r.timecnt += uint64(time.Now().Sub(st).Nanoseconds())
+
+		return &ent
 	}
 }
 
-// Total returns the total number of items
+// Total returns the total number of processed items
-func (r *Reader) Total() int {
+func (r *Reader) Total() uint64 {
-	return 0
+	return r.count
+}
+
+// Oldest returns the time of the oldest processed entry
+func (r *Reader) Oldest() time.Time {
+	return r.oldest
 }

querylog/querylog_test.go

@@ -2,6 +2,7 @@ package querylog
 
 import (
 	"net"
+	"os"
 	"testing"
 	"time"
 
@@ -10,16 +11,94 @@ import (
 	"github.com/stretchr/testify/assert"
 )
 
+func prepareTestDir() string {
+	const dir = "./agh-test"
+	_ = os.RemoveAll(dir)
+	_ = os.MkdirAll(dir, 0755)
+	return dir
+}
+
+// Check adding and loading (with filtering) entries from disk and memory
 func TestQueryLog(t *testing.T) {
 	conf := Config{
 		Enabled:  true,
 		Interval: 1,
 	}
+	conf.BaseDir = prepareTestDir()
+	defer func() { _ = os.RemoveAll(conf.BaseDir) }()
 	l := newQueryLog(conf)
 
+	// add disk entries
+	addEntry(l, "example.org", "1.2.3.4", "0.1.2.3")
+	addEntry(l, "example.org", "1.2.3.4", "0.1.2.3")
+
+	// write to disk
+	l.flushLogBuffer(true)
+
+	// add memory entries
+	addEntry(l, "test.example.org", "2.2.3.4", "0.1.2.4")
+
+	// get all entries
+	params := getDataParams{
+		OlderThan: time.Time{},
+	}
+	d := l.getData(params)
+	mdata := d["data"].([]map[string]interface{})
+	assert.True(t, len(mdata) == 2)
+	assert.True(t, checkEntry(t, mdata[0], "test.example.org", "2.2.3.4", "0.1.2.4"))
+	assert.True(t, checkEntry(t, mdata[1], "example.org", "1.2.3.4", "0.1.2.3"))
+
+	// search by domain (strict)
+	params = getDataParams{
+		OlderThan:         time.Time{},
+		Domain:            "test.example.org",
+		StrictMatchDomain: true,
+	}
+	d = l.getData(params)
+	mdata = d["data"].([]map[string]interface{})
+	assert.True(t, len(mdata) == 1)
+	assert.True(t, checkEntry(t, mdata[0], "test.example.org", "2.2.3.4", "0.1.2.4"))
+
+	// search by domain
+	params = getDataParams{
+		OlderThan:         time.Time{},
+		Domain:            "example.org",
+		StrictMatchDomain: false,
+	}
+	d = l.getData(params)
+	mdata = d["data"].([]map[string]interface{})
+	assert.True(t, len(mdata) == 2)
+	assert.True(t, checkEntry(t, mdata[0], "test.example.org", "2.2.3.4", "0.1.2.4"))
+	assert.True(t, checkEntry(t, mdata[1], "example.org", "1.2.3.4", "0.1.2.3"))
+
+	// search by client IP (strict)
+	params = getDataParams{
+		OlderThan:         time.Time{},
+		Client:            "0.1.2.3",
+		StrictMatchClient: true,
+	}
+	d = l.getData(params)
+	mdata = d["data"].([]map[string]interface{})
+	assert.True(t, len(mdata) == 1)
+	assert.True(t, checkEntry(t, mdata[0], "example.org", "1.2.3.4", "0.1.2.3"))
+
+	// search by client IP
+	params = getDataParams{
+		OlderThan:         time.Time{},
+		Client:            "0.1.2",
+		StrictMatchClient: false,
+	}
+	d = l.getData(params)
+	mdata = d["data"].([]map[string]interface{})
+	assert.True(t, len(mdata) == 2)
+	assert.True(t, checkEntry(t, mdata[0], "test.example.org", "2.2.3.4", "0.1.2.4"))
+	assert.True(t, checkEntry(t, mdata[1], "example.org", "1.2.3.4", "0.1.2.3"))
+}
+
+func addEntry(l *queryLog, host, answerStr, client string) {
 	q := dns.Msg{}
 	q.Question = append(q.Question, dns.Question{
-		Name:   "example.org.",
+		Name:   host + ".",
 		Qtype:  dns.TypeA,
 		Qclass: dns.ClassINET,
 	})
@@ -32,17 +111,49 @@ func TestQueryLog(t *testing.T) {
 		Rrtype: dns.TypeA,
 		Class:  dns.ClassINET,
 	}
-	answer.A = net.IP{1, 2, 3, 4}
+	answer.A = net.ParseIP(answerStr)
 	a.Answer = append(a.Answer, answer)
-
 	res := dnsfilter.Result{}
-	l.Add(&q, &a, &res, 0, nil, "upstream")
+	l.Add(&q, &a, &res, 0, net.ParseIP(client), "upstream")
-
+}
-	params := getDataParams{
+
-		OlderThan: time.Now(),
+func checkEntry(t *testing.T, m map[string]interface{}, host, answer, client string) bool {
-	}
+	mq := m["question"].(map[string]interface{})
-	d := l.getData(params)
+	ma := m["answer"].([]map[string]interface{})
-	m := d[0]
+	ma0 := ma[0]
-	mq := m["question"].(map[string]interface{})
+	if !assert.True(t, mq["host"].(string) == host) ||
-	assert.True(t, mq["host"].(string) == "example.org")
+		!assert.True(t, mq["class"].(string) == "IN") ||
+		!assert.True(t, mq["type"].(string) == "A") ||
+		!assert.True(t, ma0["value"].(string) == answer) ||
+		!assert.True(t, m["client"].(string) == client) {
+		return false
+	}
+	return true
+}
+
+func TestJSON(t *testing.T) {
+	s := `
+	{"keystr":"val","obj":{"keybool":true,"keyint":123456}}
+	`
+	k, v, jtype := readJSON(&s)
+	assert.Equal(t, jtype, int32(jsonTStr))
+	assert.Equal(t, "keystr", k)
+	assert.Equal(t, "val", v)
+
+	k, v, jtype = readJSON(&s)
+	assert.Equal(t, jtype, int32(jsonTObj))
+	assert.Equal(t, "obj", k)
+
+	k, v, jtype = readJSON(&s)
+	assert.Equal(t, jtype, int32(jsonTBool))
+	assert.Equal(t, "keybool", k)
+	assert.Equal(t, "true", v)
+
+	k, v, jtype = readJSON(&s)
+	assert.Equal(t, jtype, int32(jsonTNum))
+	assert.Equal(t, "keyint", k)
+	assert.Equal(t, "123456", v)
+
+	k, v, jtype = readJSON(&s)
+	assert.True(t, jtype == jsonTErr)
 }