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115 lines
3.3 KiB
115 lines
3.3 KiB
// Copyright © 2023 OpenIM. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package api
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import (
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"context"
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"fmt"
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"github.com/openimsdk/open-im-server/v3/pkg/common/config"
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"github.com/openimsdk/tools/utils/datautil"
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"github.com/openimsdk/tools/utils/network"
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"net"
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"net/http"
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"os"
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"os/signal"
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"strconv"
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"syscall"
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"time"
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kdisc "github.com/openimsdk/open-im-server/v3/pkg/common/discoveryregister"
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ginprom "github.com/openimsdk/open-im-server/v3/pkg/common/ginprometheus"
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"github.com/openimsdk/open-im-server/v3/pkg/common/prommetrics"
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"github.com/openimsdk/tools/discovery"
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"github.com/openimsdk/tools/errs"
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"github.com/openimsdk/tools/log"
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"github.com/openimsdk/tools/system/program"
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)
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type Config struct {
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API config.API
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Share config.Share
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Discovery config.Discovery
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}
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func Start(ctx context.Context, index int, config *Config) error {
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apiPort, err := datautil.GetElemByIndex(config.API.Api.Ports, index)
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if err != nil {
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return err
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}
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var client discovery.SvcDiscoveryRegistry
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// Determine whether zk is passed according to whether it is a clustered deployment
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client, err = kdisc.NewDiscoveryRegister(&config.Discovery, &config.Share)
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if err != nil {
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return errs.WrapMsg(err, "failed to register discovery service")
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}
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var (
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netDone = make(chan struct{}, 1)
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netErr error
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prometheusPort int
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)
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router := newGinRouter(client, config)
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if config.API.Prometheus.Enable {
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go func() {
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prometheusPort, err = datautil.GetElemByIndex(config.API.Prometheus.Ports, index)
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if err != nil {
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netErr = err
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netDone <- struct{}{}
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return
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}
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p := ginprom.NewPrometheus("app", prommetrics.GetGinCusMetrics("Api"))
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p.SetListenAddress(fmt.Sprintf(":%d", prometheusPort))
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if err = p.Use(router); err != nil && err != http.ErrServerClosed {
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netErr = errs.WrapMsg(err, fmt.Sprintf("prometheus start err: %d", prometheusPort))
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netDone <- struct{}{}
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}
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}()
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}
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address := net.JoinHostPort(network.GetListenIP(config.API.Api.ListenIP), strconv.Itoa(apiPort))
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server := http.Server{Addr: address, Handler: router}
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log.CInfo(ctx, "API server is initializing", "address", address, "apiPort", apiPort, "prometheusPort", prometheusPort)
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go func() {
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err = server.ListenAndServe()
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if err != nil && err != http.ErrServerClosed {
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netErr = errs.WrapMsg(err, fmt.Sprintf("api start err: %s", server.Addr))
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netDone <- struct{}{}
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}
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}()
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sigs := make(chan os.Signal, 1)
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signal.Notify(sigs, syscall.SIGTERM)
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ctx, cancel := context.WithTimeout(context.Background(), 15*time.Second)
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defer cancel()
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select {
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case <-sigs:
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program.SIGTERMExit()
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err := server.Shutdown(ctx)
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if err != nil {
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return errs.WrapMsg(err, "shutdown err")
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}
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case <-netDone:
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close(netDone)
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return netErr
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}
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return nil
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}
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