Examples with ServerSendEvent com.alipay.sofa.rpc.event.ServerSendEvent used on opensource projects

Example 1 with ServerSendEvent

use of com.alipay.sofa.rpc.event.ServerSendEvent in project sofa-rpc by sofastack.

the class BoltServerProcessor method handleRequest.

@Override
public void handleRequest(BizContext bizCtx, AsyncContext asyncCtx, SofaRequest request) {
    // RPC内置上下文
    RpcInternalContext context = RpcInternalContext.getContext();
    context.setProviderSide(true);
    String appName = request.getTargetAppName();
    if (appName == null) {
        // 默认全局appName
        appName = (String) RpcRuntimeContext.get(RpcRuntimeContext.KEY_APPNAME);
    }
    // 是否链路异步化中
    boolean isAsyncChain = false;
    try {
        // 这个 try-finally 为了保证Context一定被清理
        // 统计值加1
        processingCount.incrementAndGet();
        // 远程地址
        context.setRemoteAddress(bizCtx.getRemoteHost(), bizCtx.getRemotePort());
        // 远程返回的通道
        context.setAttachment(RpcConstants.HIDDEN_KEY_ASYNC_CONTEXT, asyncCtx);
        InvokeContext boltInvokeCtx = bizCtx.getInvokeContext();
        if (RpcInternalContext.isAttachmentEnable()) {
            if (boltInvokeCtx != null) {
                // rpc线程池等待时间 Long
                putToContextIfNotNull(boltInvokeCtx, InvokeContext.BOLT_PROCESS_WAIT_TIME, context, RpcConstants.INTERNAL_KEY_PROCESS_WAIT_TIME);
            }
        }
        putToContext(boltInvokeCtx);
        if (EventBus.isEnable(ServerReceiveEvent.class)) {
            EventBus.post(new ServerReceiveEvent(request));
        }
        // 开始处理
        // 响应，用于返回
        SofaResponse response = null;
        // 异常，用于记录
        Throwable throwable = null;
        ProviderConfig providerConfig = null;
        String serviceName = request.getTargetServiceUniqueName();
        try {
            // 这个try-catch 保证一定有Response
            invoke: {
                if (!boltServer.isStarted()) {
                    // 服务端已关闭
                    throwable = new SofaRpcException(RpcErrorType.SERVER_CLOSED, LogCodes.getLog(LogCodes.WARN_PROVIDER_STOPPED, SystemInfo.getLocalHost() + ":" + boltServer.serverConfig.getPort()));
                    response = MessageBuilder.buildSofaErrorResponse(throwable.getMessage());
                    break invoke;
                }
                if (bizCtx.isRequestTimeout()) {
                    // 加上丢弃超时的请求的逻辑
                    throwable = clientTimeoutWhenReceiveRequest(appName, serviceName, bizCtx.getRemoteAddress());
                    break invoke;
                }
                // 查找服务
                Invoker invoker = boltServer.findInvoker(serviceName);
                if (invoker == null) {
                    throwable = cannotFoundService(appName, serviceName);
                    response = MessageBuilder.buildSofaErrorResponse(throwable.getMessage());
                    break invoke;
                }
                if (invoker instanceof ProviderProxyInvoker) {
                    providerConfig = ((ProviderProxyInvoker) invoker).getProviderConfig();
                    // 找到服务后，打印服务的appName
                    appName = providerConfig != null ? providerConfig.getAppName() : null;
                }
                // 查找方法
                String methodName = request.getMethodName();
                Method serviceMethod = ReflectCache.getOverloadMethodCache(serviceName, methodName, request.getMethodArgSigs());
                if (serviceMethod == null) {
                    throwable = cannotFoundServiceMethod(appName, methodName, serviceName);
                    response = MessageBuilder.buildSofaErrorResponse(throwable.getMessage());
                    break invoke;
                } else {
                    request.setMethod(serviceMethod);
                }
                // 真正调用
                response = doInvoke(serviceName, invoker, request);
                if (bizCtx.isRequestTimeout()) {
                    // 加上丢弃超时的响应的逻辑
                    throwable = clientTimeoutWhenSendResponse(appName, serviceName, bizCtx.getRemoteAddress());
                    break invoke;
                }
            }
        } catch (Exception e) {
            // 服务端异常，不管是啥异常
            LOGGER.errorWithApp(appName, "Server Processor Error!", e);
            throwable = e;
            response = MessageBuilder.buildSofaErrorResponse(e.getMessage());
        }
        // Response不为空，代表需要返回给客户端
        if (response != null) {
            RpcInvokeContext invokeContext = RpcInvokeContext.peekContext();
            isAsyncChain = CommonUtils.isTrue(invokeContext != null ? (Boolean) invokeContext.remove(RemotingConstants.INVOKE_CTX_IS_ASYNC_CHAIN) : null);
            // 如果是服务端异步代理模式，特殊处理，因为该模式是在业务代码自主异步返回的
            if (!isAsyncChain) {
                // 其它正常请求
                try {
                    // 这个try-catch 保证一定要记录tracer
                    asyncCtx.sendResponse(response);
                } finally {
                    if (EventBus.isEnable(ServerSendEvent.class)) {
                        EventBus.post(new ServerSendEvent(request, response, throwable));
                    }
                }
            }
        }
    } catch (Throwable e) {
        // 可能有返回时的异常
        if (LOGGER.isErrorEnabled(appName)) {
            LOGGER.errorWithApp(appName, e.getMessage(), e);
        }
    } finally {
        processingCount.decrementAndGet();
        if (!isAsyncChain) {
            if (EventBus.isEnable(ServerEndHandleEvent.class)) {
                EventBus.post(new ServerEndHandleEvent());
            }
        }
        RpcInvokeContext.removeContext();
        RpcInternalContext.removeAllContext();
    }
}

Example 2 with ServerSendEvent

use of com.alipay.sofa.rpc.event.ServerSendEvent in project sofa-rpc by sofastack.

the class AbstractHttpServerTask method run.

@Override
public void run() {
    // RPC内置上下文
    RpcInternalContext context = RpcInternalContext.getContext();
    context.setProviderSide(true);
    String appName = request.getTargetAppName();
    if (appName == null) {
        // 默认全局appName
        appName = (String) RpcRuntimeContext.get(RpcRuntimeContext.KEY_APPNAME);
    }
    try {
        // 这个 try-finally 为了保证Context一定被清理
        Channel channel = ctx.channel();
        // 远程地址
        context.setRemoteAddress((InetSocketAddress) channel.remoteAddress());
        // 远程返回的通道
        context.setAttachment(RpcConstants.HIDDEN_KEY_ASYNC_CONTEXT, channel);
        if (EventBus.isEnable(ServerReceiveEvent.class)) {
            EventBus.post(new ServerReceiveEvent(request));
        }
        // 开始处理
        // 响应，用于返回
        SofaResponse response = null;
        // 异常，用于记录
        Throwable throwable = null;
        HttpResponseStatus status = null;
        ProviderConfig providerConfig = null;
        String serviceName = request.getTargetServiceUniqueName();
        Serializer serializer = null;
        if (request.getSerializeType() > 0) {
            serializer = SerializerFactory.getSerializer(request.getSerializeType());
        }
        try {
            // 这个try-catch 保证一定有Response
            invoke: {
                // 查找服务
                Invoker invoker = serverHandler.getInvokerMap().get(serviceName);
                if (invoker == null) {
                    throwable = cannotFoundService(appName, serviceName);
                    response = MessageBuilder.buildSofaErrorResponse(throwable.getMessage());
                    status = HttpResponseStatus.NOT_FOUND;
                    break invoke;
                }
                if (invoker instanceof ProviderProxyInvoker) {
                    providerConfig = ((ProviderProxyInvoker) invoker).getProviderConfig();
                    // 找到服务后，打印服务的appName
                    appName = providerConfig != null ? providerConfig.getAppName() : null;
                }
                // 查找方法
                String methodName = request.getMethodName();
                Method serviceMethod = serverHandler.getMethod(serviceName, methodName);
                if (serviceMethod == null) {
                    throwable = cannotFoundServiceMethod(appName, methodName, serviceName);
                    response = MessageBuilder.buildSofaErrorResponse(throwable.getMessage());
                    status = HttpResponseStatus.NOT_FOUND;
                    break invoke;
                } else {
                    request.setMethod(serviceMethod);
                }
                AbstractByteBuf reqData = request.getData();
                if (reqData != null) {
                    try {
                        Map<String, String> map = new HashMap<String, String>(4);
                        map.put(RemotingConstants.HEAD_TARGET_SERVICE, request.getTargetServiceUniqueName());
                        map.put(RemotingConstants.HEAD_METHOD_NAME, request.getMethodName());
                        map.put(RemotingConstants.HEAD_TARGET_APP, request.getTargetAppName());
                        serializer.decode(reqData, request, map);
                    } catch (Exception e) {
                        LOGGER.errorWithApp(appName, "Server deserialize error, request from " + channel.remoteAddress(), e);
                        response = MessageBuilder.buildSofaErrorResponse("Server deserialize error, " + e.getMessage());
                        break invoke;
                    }
                } else if (request.getMethodArgs() == null) {
                    request.setMethodArgs(CodecUtils.EMPTY_OBJECT_ARRAY);
                }
                // 真正调用
                response = doInvoke(serviceName, invoker, request);
            }
        } catch (Exception e) {
            // 服务端异常，不管是啥异常
            LOGGER.errorWithApp(appName, "Server Processor Error!", e);
            throwable = e;
            response = MessageBuilder.buildSofaErrorResponse(e.getMessage());
            status = HttpResponseStatus.INTERNAL_SERVER_ERROR;
        }
        // Response不为空，代表需要返回给客户端
        if (response != null) {
            response.setSerializeType(request.getSerializeType());
            // 其它正常请求
            try {
                // 这个try-catch 保证一定要记录tracer
                if (response.isError()) {
                    ByteBuf content = ctx.alloc().buffer();
                    content.writeBytes(StringSerializer.encode(response.getErrorMsg()));
                    sendRpcError(status == null ? HttpResponseStatus.INTERNAL_SERVER_ERROR : status, content);
                } else {
                    if (response.getAppResponse() instanceof Throwable) {
                        ByteBuf content = ctx.alloc().buffer();
                        String errorMsg = ExceptionUtils.toString((Throwable) response.getAppResponse());
                        content.writeBytes(StringSerializer.encode(errorMsg));
                        sendAppError(HttpResponseStatus.OK, content);
                    } else {
                        ByteBuf content = ctx.alloc().buffer();
                        if (request.getSerializeType() > 0) {
                            AbstractByteBuf bs = serializer.encode(response, null);
                            content.writeBytes(bs.array());
                        } else {
                            content.writeBytes(StringSerializer.encode(response.getAppResponse().toString()));
                        }
                        sendAppResponse(HttpResponseStatus.OK, content);
                    }
                }
            } finally {
                if (EventBus.isEnable(ServerSendEvent.class)) {
                    EventBus.post(new ServerSendEvent(request, response, throwable));
                }
            }
        }
    } catch (Throwable e) {
        // 可能有返回时的异常
        if (LOGGER.isErrorEnabled(appName)) {
            LOGGER.errorWithApp(appName, e.getMessage(), e);
        }
    } finally {
        serverHandler.getProcessingCount().decrementAndGet();
        if (EventBus.isEnable(ServerEndHandleEvent.class)) {
            EventBus.post(new ServerEndHandleEvent());
        }
        RpcInvokeContext.removeContext();
        RpcInternalContext.removeAllContext();
    }
}

Example 3 with ServerSendEvent

use of com.alipay.sofa.rpc.event.ServerSendEvent in project sofa-rpc by sofastack.

the class SofaRpcMetricsTest method testMicrometerMetrics.

@Test
public void testMicrometerMetrics() throws NoSuchMethodException, InvocationTargetException, IllegalAccessException {
    SimpleMeterRegistry registry = new SimpleMeterRegistry();
    try (SofaRpcMetrics metrics = new SofaRpcMetrics()) {
        metrics.bindTo(registry);
        Method handleEvent = EventBus.class.getDeclaredMethod("handleEvent", Subscriber.class, Event.class);
        handleEvent.setAccessible(true);
        SofaRequest request = buildRequest();
        SofaResponse response = buildResponse();
        RpcInternalContext.getContext().setAttachment(RpcConstants.INTERNAL_KEY_CLIENT_ELAPSE, 100).setAttachment(RpcConstants.INTERNAL_KEY_IMPL_ELAPSE, 10).setAttachment(RpcConstants.INTERNAL_KEY_REQ_SIZE, 3).setAttachment(RpcConstants.INTERNAL_KEY_RESP_SIZE, 4);
        handleEvent.invoke(EventBus.class, metrics, new ClientEndInvokeEvent(request, response, null));
        handleEvent.invoke(EventBus.class, metrics, new ServerSendEvent(request, response, null));
        ServerConfig serverConfig = new ServerConfig();
        handleEvent.invoke(EventBus.class, metrics, new ServerStartedEvent(serverConfig, new ThreadPoolExecutor(1, 1, 0L, TimeUnit.MILLISECONDS, new LinkedBlockingQueue<>())));
        handleEvent.invoke(EventBus.class, metrics, new ServerStoppedEvent(serverConfig));
        handleEvent.invoke(EventBus.class, metrics, new ProviderPubEvent(new ProviderConfig<>()));
        handleEvent.invoke(EventBus.class, metrics, new ConsumerSubEvent(new ConsumerConfig<>()));
        Assert.assertEquals(12, registry.getMeters().size());
    }
}

Example 4 with ServerSendEvent

use of com.alipay.sofa.rpc.event.ServerSendEvent in project sofa-rpc by sofastack.

the class RestLookoutAdapter method sendRestServerSendEvent.

public static void sendRestServerSendEvent(RestServerSendEvent restServerSendEvent) {
    // this is special for rest
    if (EventBus.isEnable(ServerSendEvent.class)) {
        SofaRequest request = new SofaRequest();
        String appName = (String) RpcRuntimeContext.get(RpcRuntimeContext.KEY_APPNAME);
        request.setTargetAppName(appName);
        request.addRequestProp(RemotingConstants.HEAD_APP_NAME, restServerSendEvent.getRequest().getHttpHeaders().getHeaderString(RemotingConstants.HEAD_APP_NAME));
        RpcInternalContext context = RpcInternalContext.getContext();
        request.setTargetServiceUniqueName((String) context.getAttachment(INTERNAL_KEY_PREFIX + RestConstants.REST_SERVICE_KEY));
        request.setMethodName((String) context.getAttachment(INTERNAL_KEY_PREFIX + RestConstants.REST_METHODNAME_KEY));
        request.addRequestProp(RemotingConstants.HEAD_PROTOCOL, RpcConstants.PROTOCOL_TYPE_REST);
        request.setInvokeType(RpcConstants.INVOKER_TYPE_SYNC);
        SofaResponse response = new SofaResponse();
        if (restServerSendEvent.getThrowable() != null) {
            response.setErrorMsg(restServerSendEvent.getThrowable().getMessage());
        }
        final ServerSendEvent event = new ServerSendEvent(request, response, restServerSendEvent.getThrowable());
        EventBus.post(event);
    }
}