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How to use noKillSwitch method of org.evomaster.client.java.controller.internal.EMController class

Best EvoMaster code snippet using org.evomaster.client.java.controller.internal.EMController.noKillSwitch

Source:EMController.java

...36@Path("")37@Produces(Formats.JSON_V1)38public class EMController {39    /**40     * WARNING: make sure to call this inside a noKillSwitch41     */42    private final SutController sutController;43    /**44     * Keep track of the ID of last executed SQL command.45     * This is done to avoid repeating the same command (even if in a POST,46     * it could happen due to bugs in Jersey)47     */48    private volatile Integer lastSqlCommandId = null;49    private String baseUrlOfSUT;50    /**51     * Keep track of all host:port clients connect so far.52     * This is the mainly done for debugging, to check that we are using53     * a single TCP connection, instead of creating new ones at each request.54     *55     * However, we want to check it only during testing56     */57    private static final Set<String> connectedClientsSoFar = new CopyOnWriteArraySet<>();58    private static final String htmlWarning =59            //ah! the beauty and elegance of Java when one just wants read a text resource as a string...60            new Scanner(EMController.class.getResourceAsStream("/warning.html"), "UTF-8").useDelimiter("\\A").next();61    public EMController(SutController sutController) {62        this.sutController = Objects.requireNonNull(sutController);63    }64    private boolean trackRequestSource(HttpServletRequest request){65        String source = request.getRemoteAddr() + ":" + request.getRemotePort();66        connectedClientsSoFar.add(source);67        return true;68    }69    /**70     * Only used for debugging/testing71     *72     * @return host:port of all clients connected so far73     */74    public static Set<String> getConnectedClientsSoFar() {75        return connectedClientsSoFar;76    }77    /**78     * Only used debugging/testing79     */80    public static void resetConnectedClientsSoFar(){81        connectedClientsSoFar.clear();82    }83    @Path("/")84    @GET85    @Produces(MediaType.TEXT_HTML)86    public Response getWarning(){87        return Response.status(400).entity(htmlWarning).build();88    }89    /**90     * This is tricky, and mainly an issue when dealing with embedded driver, where the kill-switch91     * could impact when calling Driver methods using the SUT (eg, ctx.isRunning()).92     */93    private <T> T noKillSwitch(Producer<T> lambda){94        boolean previous = ExecutionTracer.isKillSwitch();95        ExecutionTracer.setKillSwitch(false);96        T t = lambda.call();97        ExecutionTracer.setKillSwitch(previous);98        return t;99    }100    private void noKillSwitch(Runnable lambda){101        boolean previous = ExecutionTracer.isKillSwitch();102        ExecutionTracer.setKillSwitch(false);103        lambda.run();104        ExecutionTracer.setKillSwitch(previous);105    }106    private void noKillSwitchForceCheck(Runnable lambda){107        /*108            Note: bit tricky for External. the calls on ExecutionTracer would have109            no impact, only those on sutController. it is needed for when driver communicates110            with SUT as part of driver operations, eg reset/seed state via an API call, which is111            done for example in Proxyprint. But for all other cases, it can be just an unnecessary112            overhead.113         */114        boolean previous = ExecutionTracer.isKillSwitch();115        sutController.setKillSwitch(false);116        lambda.run();117        sutController.setKillSwitch(previous);118    }119    @Path(ControllerConstants.INFO_SUT_PATH)120    @GET121    public Response getSutInfo(@Context HttpServletRequest httpServletRequest) {122        String connectionHeader = httpServletRequest.getHeader("Connection");123        if( connectionHeader == null124                || !connectionHeader.equalsIgnoreCase("keep-alive")){125            return Response.status(400).entity(WrappedResponseDto126                    .withError("Requests should always contain a 'Connection: keep-alive'")).build();127        }128        assert trackRequestSource(httpServletRequest);129        if(! noKillSwitch(() -> sutController.verifySqlConnection())){130            String msg = "SQL drivers are misconfigured. You must use a 'p6spy' wrapper when you " +131                    "run the SUT. For example, a database connection URL like 'jdbc:h2:mem:testdb' " +132                    "should be changed into 'jdbc:p6spy:h2:mem:testdb'. " +133                    "See documentation on how to configure P6Spy.";134            SimpleLogger.error(msg);135            return Response.status(500).entity(WrappedResponseDto.withError(msg)).build();136        }137        SutInfoDto dto = new SutInfoDto();138        dto.isSutRunning = noKillSwitch(() -> sutController.isSutRunning());139        dto.baseUrlOfSUT = baseUrlOfSUT;140        dto.infoForAuthentication = noKillSwitch(() -> sutController.getInfoForAuthentication());141        dto.sqlSchemaDto = noKillSwitch(() -> sutController.getSqlDatabaseSchema());142        dto.defaultOutputFormat = noKillSwitch(() -> sutController.getPreferredOutputFormat());143        ProblemInfo info = noKillSwitch(() -> sutController.getProblemInfo());144        if (info == null) {145            String msg = "Undefined problem type in the EM Controller";146            SimpleLogger.error(msg);147            return Response.status(500).entity(WrappedResponseDto.withError(msg)).build();148        } else if (info instanceof RestProblem) {149            RestProblem rp = (RestProblem) info;150            dto.restProblem = new RestProblemDto();151            dto.restProblem.swaggerJsonUrl = rp.getSwaggerJsonUrl();152            dto.restProblem.endpointsToSkip = rp.getEndpointsToSkip();153        } else if( info instanceof GraphQlProblem){154            GraphQlProblem p = (GraphQlProblem) info;155            dto.graphQLProblem = new GraphQLProblemDto();156            dto.graphQLProblem.endpoint = p.getEndpoint();157        }else {158            String msg = "Unrecognized problem type: " + info.getClass().getName();159            SimpleLogger.error(msg);160            return Response.status(500).entity(WrappedResponseDto.withError(msg)).build();161        }162        dto.unitsInfoDto = noKillSwitch(() -> sutController.getUnitsInfoDto());163        if(dto.unitsInfoDto == null){164            String msg = "Failed to extract units info";165            SimpleLogger.error(msg);166            return Response.status(500).entity(WrappedResponseDto.withError(msg)).build();167        }168        return Response.status(200).entity(WrappedResponseDto.withData(dto)).build();169    }170    @Path(ControllerConstants.CONTROLLER_INFO)171    @GET172    public Response getControllerInfoDto(@Context HttpServletRequest httpServletRequest) {173        assert trackRequestSource(httpServletRequest);174        ControllerInfoDto dto = new ControllerInfoDto();175        dto.fullName = noKillSwitch(() -> sutController.getClass().getName());176        dto.isInstrumentationOn = noKillSwitch(() -> sutController.isInstrumentationActivated());177        return Response.status(200).entity(WrappedResponseDto.withData(dto)).build();178    }179    @Path(ControllerConstants.NEW_SEARCH)180    @POST181    public Response newSearch(@Context HttpServletRequest httpServletRequest) {182        assert trackRequestSource(httpServletRequest);183        lastSqlCommandId = null;184        noKillSwitch(() -> sutController.newSearch());185        return Response.status(201).entity(WrappedResponseDto.withNoData()).build();186    }187    @Path(ControllerConstants.RUN_SUT_PATH)188    @PUT189    @Consumes(Formats.JSON_V1)190    public Response runSut(SutRunDto dto, @Context HttpServletRequest httpServletRequest) {191        assert trackRequestSource(httpServletRequest);192        /*193            If start/stop the SUT, we want to disable the killSwitch.194            The reason is it might be on from previous run, and, in such case,195            until we run a first test it would crash the SUT... eg when retrieving196            OpenAPI/GraphQL schema.197            TODO: likely all the noKillSwitch calls here are redundant198         */199        ExecutionTracer.setKillSwitch(false);200        if(sutController.isSutRunning()) {201            sutController.setKillSwitch(false);202        }203        try {204            if (dto.run == null) {205                String msg = "Invalid JSON: 'run' field is required";206                SimpleLogger.warn(msg);207                return Response.status(400).entity(WrappedResponseDto.withError(msg)).build();208            }209            boolean sqlHeuristics = dto.calculateSqlHeuristics != null && dto.calculateSqlHeuristics;210            boolean sqlExecution = dto.extractSqlExecutionInfo != null && dto.extractSqlExecutionInfo;211            noKillSwitch(() -> sutController.enableComputeSqlHeuristicsOrExtractExecution(sqlHeuristics, sqlExecution));212            boolean doReset = dto.resetState != null && dto.resetState;213            synchronized (this) {214                if (!dto.run) {215                    if (doReset) {216                        String msg = "Invalid JSON: cannot reset state and stop service at same time";217                        SimpleLogger.warn(msg);218                        return Response.status(400).entity(WrappedResponseDto.withError(msg)).build();219                    }220                    //if on, we want to shut down the server221                    if (noKillSwitch(() -> sutController.isSutRunning())) {222                        noKillSwitch(() -> sutController.stopSut());223                        baseUrlOfSUT = null;224                    }225                } else {226                    /*227                        If SUT is not up and running, let's start it228                     */229                    if (!noKillSwitch(() -> sutController.isSutRunning())) {230                        baseUrlOfSUT = noKillSwitch(() -> sutController.startSut());231                        if (baseUrlOfSUT == null) {232                            //there has been an internal failure in starting the SUT233                            String msg = "Internal failure: cannot start SUT based on given configuration";234                            SimpleLogger.warn(msg);235                            return Response.status(500).entity(WrappedResponseDto.withError(msg)).build();236                        }237                        noKillSwitch(() -> sutController.initSqlHandler());238                    } else {239                        //TODO as starting should be blocking, need to check240                        //if initialized, and wait if not241                    }242                    /*243                        regardless of where it was running or not, need to reset state.244                        this is controlled by a boolean, although most likely we ll always245                        want to do it246                     */247                    if (dto.resetState != null && dto.resetState) {248                        try{249                            /*250                                This should not fail... but, as it is user code, it might fail...251                                When it does, it is a major issue, as it can leave the system in252                                an inconsistent state for the following fitness evaluations.253                                So, we always force a newTest, even when reset fails.254                                TODO: a current problem is in Proxyprint, in which after REST calls255                                it seems there are locks on the DB (this might happen if a transaction256                                is started but then not committed). Ideally, in the reset of DBs we should257                                force all lock releases, and possibly point any left lock as a potential bug258                             */259                            noKillSwitchForceCheck(() -> sutController.resetStateOfSUT());260                        } finally {261                            noKillSwitch(() -> sutController.newTest());262                        }263                    }264                    /*265                        Note: here even if we start the SUT, the starting of a "New Search"266                        cannot be done here, as in this endpoint we also deal with the reset267                        of state. When we reset state for a new test run, we do not want to268                        reset all the other data regarding the whole search269                     */270                }271            }272        } catch (RuntimeException e) {273            /*274                FIXME: ideally, would not need to do a try/catch on each single endpoint,275                as could configure Jetty/Jackson to log all errors.276                But even after spending hours googling it, haven't managed to configure it277             */278            String msg = e.getMessage();279            SimpleLogger.error(msg, e);280            return Response.status(500).entity(WrappedResponseDto.withError(msg)).build();281        }282        return Response.status(204).entity(WrappedResponseDto.withNoData()).build();283    }284    @Path(ControllerConstants.TEST_RESULTS)285    @GET286    public Response getTestResults(287            @QueryParam("ids")288            @DefaultValue("")289                    String idList,290            @QueryParam("killSwitch") @DefaultValue("false")291                    boolean killSwitch,292            @Context HttpServletRequest httpServletRequest) {293        assert trackRequestSource(httpServletRequest);294        try {295            TestResultsDto dto = new TestResultsDto();296            Set<Integer> ids;297            try {298                ids = Arrays.stream(idList.split(","))299                        .filter(s -> !s.trim().isEmpty())300                        .map(Integer::parseInt)301                        .collect(Collectors.toSet());302            } catch (NumberFormatException e) {303                String msg = "Invalid parameter 'ids': " + e.getMessage();304                SimpleLogger.warn(msg);305                return Response.status(400).entity(WrappedResponseDto.withError(msg)).build();306            }307            List<TargetInfo> targetInfos = noKillSwitch(() -> sutController.getTargetInfos(ids));308            if (targetInfos == null) {309                String msg = "Failed to collect target information for " + ids.size() + " ids";310                SimpleLogger.error(msg);311                return Response.status(500).entity(WrappedResponseDto.withError(msg)).build();312            }313            targetInfos.forEach(t -> {314                TargetInfoDto info = new TargetInfoDto();315                info.id = t.mappedId;316                info.value = t.value;317                info.descriptiveId = t.descriptiveId;318                info.actionIndex = t.actionIndex;319                dto.targets.add(info);320            });321            /*322                Note: it is important that extra is computed before AdditionalInfo,323                as heuristics on SQL might add new entries to String specializations324             */325            dto.extraHeuristics = noKillSwitch(() -> sutController.getExtraHeuristics());326            List<AdditionalInfo> additionalInfos = noKillSwitch(() -> sutController.getAdditionalInfoList());327            if (additionalInfos != null) {328                additionalInfos.forEach(a -> {329                    AdditionalInfoDto info = new AdditionalInfoDto();330                    info.queryParameters = new HashSet<>(a.getQueryParametersView());331                    info.headers = new HashSet<>(a.getHeadersView());332                    info.lastExecutedStatement = a.getLastExecutedStatement();333                    info.rawAccessOfHttpBodyPayload = a.isRawAccessOfHttpBodyPayload();334                    info.parsedDtoNames = new HashSet<>(a.getParsedDtoNamesView());335                    info.stringSpecializations = new LinkedHashMap<>();336                    for(Map.Entry<String, Set<StringSpecializationInfo>> entry :337                            a.getStringSpecializationsView().entrySet()){338                        assert ! entry.getValue().isEmpty();339                        List<StringSpecializationInfoDto> list = entry.getValue().stream()340                                .map(it -> new StringSpecializationInfoDto(341                                        it.getStringSpecialization().toString(),342                                        it.getValue(),343                                        it.getType().toString()))344                                .collect(Collectors.toList());345                        info.stringSpecializations.put(entry.getKey(), list);346                    }347                    dto.additionalInfoList.add(info);348                });349            } else {350                String msg = "Failed to collect additional info";351                SimpleLogger.error(msg);352                return Response.status(500).entity(WrappedResponseDto.withError(msg)).build();353            }354            if(killSwitch){355                sutController.setKillSwitch(true);356            }357            return Response.status(200).entity(WrappedResponseDto.withData(dto)).build();358        } catch (RuntimeException e) {359            /*360                FIXME: ideally, would not need to do a try/catch on each single endpoint,361                as could configure Jetty/Jackson to log all errors.362                But even after spending hours googling it, haven't managed to configure it363             */364            String msg = "Thrown exception: " + e.getMessage();365            SimpleLogger.error(msg, e);366            return Response.status(500).entity(WrappedResponseDto.withError(msg)).build();367        }368    }369    @Path(ControllerConstants.NEW_ACTION)370    @Consumes(MediaType.APPLICATION_JSON)371    @PUT372    public Response newAction(ActionDto dto, @Context HttpServletRequest httpServletRequest) {373        /*374            Note: as PUT is idempotent, it can be repeated...375            so need to handle such possibility here376         */377        Integer index = dto.index;378        Integer current = sutController.getActionIndex();379        if(index == current){380            SimpleLogger.warn("Repeated PUT on newAction for same index " + index);381        } else {382            assert trackRequestSource(httpServletRequest);383            //this MUST not be inside a noKillSwitch, as it sets to false384            sutController.newAction(dto);385        }386        return Response.status(204).entity(WrappedResponseDto.withNoData()).build();387    }388    @Path(ControllerConstants.DATABASE_COMMAND)389    @Consumes(Formats.JSON_V1)390    @POST391    public Response executeDatabaseCommand(DatabaseCommandDto dto, @Context HttpServletRequest httpServletRequest) {392        Integer id = dto.idCounter;393        if(id != null){394            if(lastSqlCommandId != null && id <= lastSqlCommandId){395                SimpleLogger.warn("SQL command with id " + id + " has not arrived in order. Last received id : " + lastSqlCommandId);396                /*397                    if it had insertions, we silently skip doing it twice.398                    but a problem here is that we would lose any info on the auto-generated keys :(399                 */400                if(dto.insertions != null && !dto.insertions.isEmpty()){401                    return Response.status(204).entity(WrappedResponseDto.withNoData()).build();402                }403            }404            lastSqlCommandId = id;405        }406        assert trackRequestSource(httpServletRequest);407        try {408            SimpleLogger.debug("Received database command");409            Connection connection = noKillSwitch(() -> sutController.getConnection());410            if (connection == null) {411                String msg = "No active database connection";412                SimpleLogger.warn(msg);413                return Response.status(400).entity(WrappedResponseDto.withError(msg)).build();414            }415            if (dto.command == null && (dto.insertions == null || dto.insertions.isEmpty())) {416                String msg = "No input command";417                SimpleLogger.warn(msg);418                return Response.status(400).entity(WrappedResponseDto.withError(msg)).build();419            }420            if (dto.command != null && dto.insertions != null && !dto.insertions.isEmpty()) {421                String msg = "Only 1 command can be specified";422                SimpleLogger.warn(msg);423                return Response.status(400).entity(WrappedResponseDto.withError(msg)).build();...

noKillSwitch

Using AI Code Generation

1import org.evomaster.client.java.controller.internal.EMController;2import org.evomaster.client.java.controller.internal.EMControllerKt;3import org.evomaster.client.java.controller.internal.EMControllerKt.*;4EMController.noKillSwitch();5EMController.isNoKillSwitch();6EMController.resetNoKillSwitch();7EMController.killSwitch();8EMController.isKillSwitch();9EMController.resetKillSwitch();10EMController.isRunning();11EMController.reset();12EMController.isStopped();13EMController.stop();14EMController.isPaused();15EMController.pause();16EMController.isResumed();17EMController.resume();18EMController.isInitializing();19EMController.isInitialized();20EMController.isStarting();21EMController.isStarted();22EMController.isStopping();23EMController.isStopped();24EMController.isResuming();25EMController.isResumed();26EMController.isPausing();27EMController.isPaused();28EMController.isKilling();29EMController.isKilled();30EMController.isRestarting();31EMController.isRestarted();

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