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

Example 1 with ServerEndHandleEvent

use of com.alipay.sofa.rpc.event.ServerEndHandleEvent 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 ServerEndHandleEvent

use of com.alipay.sofa.rpc.event.ServerEndHandleEvent 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 ServerEndHandleEvent

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

the class SofaRestRequestHandler method channelRead0.

@Override
protected void channelRead0(ChannelHandlerContext ctx, Object msg) throws Exception {
    if (msg instanceof NettyHttpRequest) {
        NettyHttpRequest request = (NettyHttpRequest) msg;
        try {
            if (EventBus.isEnable(RestServerReceiveEvent.class)) {
                EventBus.post(new RestServerReceiveEvent(request));
            }
            if (request.getUri().getPath().endsWith(RemotingConstants.IGNORE_WEB_BROWSER)) {
                HttpResponse response = new DefaultHttpResponse(HTTP_1_1, NOT_FOUND);
                ctx.writeAndFlush(response);
                return;
            }
            if (request.is100ContinueExpected()) {
                send100Continue(ctx);
            }
            NettyHttpResponse response = request.getResponse();
            Exception exception = null;
            try {
                RpcInternalContext context = RpcInternalContext.getContext();
                context.setProviderSide(true);
                // 获取远程ip 兼容 nignx 转发和 vip 等
                HttpHeaders httpHeaders = request.getHttpHeaders();
                String remoteIP = httpHeaders.getHeaderString("X-Forwarded-For");
                if (remoteIP == null) {
                    remoteIP = httpHeaders.getHeaderString("X-Real-IP");
                }
                if (remoteIP != null) {
                    context.setRemoteAddress(remoteIP, 0);
                } else {
                    // request取不到就从channel里取
                    context.setRemoteAddress((InetSocketAddress) ctx.channel().remoteAddress());
                }
                // 设置本地地址
                context.setLocalAddress((InetSocketAddress) ctx.channel().localAddress());
                dispatcher.service(ctx, request, response, true);
            } catch (Failure e1) {
                response.reset();
                response.setStatus(e1.getErrorCode());
                exception = e1;
            } catch (Exception ex) {
                response.reset();
                response.setStatus(500);
                // todo 异常带给用户?
                logger.error(LogCodes.getLog(LogCodes.ERROR_PROCESS_UNKNOWN), ex);
                exception = ex;
            } finally {
                if (EventBus.isEnable(RestServerSendEvent.class)) {
                    EventBus.post(new RestServerSendEvent(request, response, exception));
                }
                RestLookoutAdapter.sendRestServerSendEvent(new RestServerSendEvent(request, response, exception));
            }
            if (!request.getAsyncContext().isSuspended()) {
                response.finish();
            }
        } finally {
            /**
             * issue: https://github.com/sofastack/sofa-rpc/issues/592
             */
            request.releaseContentBuffer();
            if (EventBus.isEnable(ServerEndHandleEvent.class)) {
                EventBus.post(new ServerEndHandleEvent());
            }
            RpcInvokeContext.removeContext();
            RpcInternalContext.removeAllContext();
        }
    }
}