| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package main |
| |
| import ( |
| "database/sql" |
| "fmt" |
| "os" |
| "os/signal" |
| "syscall" |
| "time" |
| ) |
| |
| import ( |
| _ "github.com/apache/dubbo-go/cluster/cluster_impl" |
| _ "github.com/apache/dubbo-go/cluster/loadbalance" |
| "github.com/apache/dubbo-go/common/logger" |
| _ "github.com/apache/dubbo-go/common/proxy/proxy_factory" |
| "github.com/apache/dubbo-go/config" |
| _ "github.com/apache/dubbo-go/filter/filter_impl" |
| _ "github.com/apache/dubbo-go/metadata/service/inmemory" |
| _ "github.com/apache/dubbo-go/protocol/dubbo" |
| _ "github.com/apache/dubbo-go/registry/nacos" |
| _ "github.com/apache/dubbo-go/registry/protocol" |
| "github.com/opentrx/mysql" |
| "github.com/transaction-wg/seata-golang/pkg/client" |
| seataConfig "github.com/transaction-wg/seata-golang/pkg/client/config" |
| ) |
| |
| import ( |
| productDao "github.com/apache/dubbo-go-samples/shopping-order/go-server-product/pkg/dao" |
| ) |
| |
| const ( |
| SEATA_CONF_FILE = "SEATA_CONF_FILE" |
| ) |
| |
| var ( |
| survivalTimeout = int(3e9) |
| ) |
| |
| // they are necessary: |
| // export CONF_PROVIDER_FILE_PATH="xxx" |
| // export APP_LOG_CONF_FILE="xxx" |
| // export SEATA_CONF_FILE="xxx" |
| func main() { |
| confFile := os.Getenv(SEATA_CONF_FILE) |
| seataConfig.InitConf(confFile) |
| client.NewRpcClient() |
| |
| // init mysql driver of `opentrx/mysql` |
| mysql.InitDataResourceManager() |
| mysql.RegisterResource(seataConfig.GetATConfig().DSN) |
| |
| sqlDB, err := sql.Open("mysql", seataConfig.GetATConfig().DSN) |
| if err != nil { |
| panic(err) |
| } |
| sqlDB.SetMaxOpenConns(10) |
| sqlDB.SetMaxIdleConns(10) |
| sqlDB.SetConnMaxLifetime(4 * time.Hour) |
| |
| d := &productDao.Dao{ |
| DB: sqlDB, |
| } |
| |
| svc := &ProductSvc{ |
| dao: d, |
| } |
| config.SetProviderService(svc) |
| |
| config.Load() |
| initSignal() |
| } |
| |
| func initSignal() { |
| signals := make(chan os.Signal, 1) |
| // It is not possible to block SIGKILL or syscall.SIGSTOP |
| signal.Notify(signals, os.Interrupt, os.Kill, syscall.SIGHUP, syscall.SIGQUIT, syscall.SIGTERM, syscall.SIGINT) |
| for { |
| sig := <-signals |
| logger.Infof("get signal %s", sig.String()) |
| switch sig { |
| case syscall.SIGHUP: |
| // reload() |
| default: |
| time.AfterFunc(time.Duration(survivalTimeout), func() { |
| logger.Warnf("app exit now by force...") |
| os.Exit(1) |
| }) |
| |
| // The program exits normally or timeout forcibly exits. |
| fmt.Println("provider app exit now...") |
| return |
| } |
| } |
| } |