2025-01-10 14:20:43 +08:00

104 lines
2.6 KiB
Go

package api
import (
"context"
"fmt"
"net"
"net/http"
"os"
"os/signal"
"strconv"
"syscall"
"time"
"github.com/openimsdk/open-im-server/v3/pkg/common/config"
"github.com/openimsdk/tools/utils/datautil"
"github.com/openimsdk/tools/utils/network"
kdisc "github.com/openimsdk/open-im-server/v3/pkg/common/discoveryregister"
"github.com/openimsdk/open-im-server/v3/pkg/common/prommetrics"
"github.com/openimsdk/tools/discovery"
"github.com/openimsdk/tools/errs"
"github.com/openimsdk/tools/log"
"github.com/openimsdk/tools/system/program"
)
type Config struct {
API config.API
Share config.Share
Discovery config.Discovery
}
func Start(ctx context.Context, index int, config *Config) error {
apiPort, err := datautil.GetElemByIndex(config.API.Api.Ports, index)
if err != nil {
return err
}
var client discovery.SvcDiscoveryRegistry
// Determine whether zk is passed according to whether it is a clustered deployment
client, err = kdisc.NewDiscoveryRegister(&config.Discovery, &config.Share, []string{
config.Share.RpcRegisterName.MessageGateway,
})
if err != nil {
return errs.WrapMsg(err, "failed to register discovery service")
}
var (
netDone = make(chan struct{}, 1)
netErr error
prometheusPort int
)
router, err := newGinRouter(ctx, client, config)
if err != nil {
return err
}
if config.API.Prometheus.Enable {
go func() {
prometheusPort, err = datautil.GetElemByIndex(config.API.Prometheus.Ports, index)
if err != nil {
netErr = err
netDone <- struct{}{}
return
}
if err := prommetrics.ApiInit(prometheusPort); err != nil && err != http.ErrServerClosed {
netErr = errs.WrapMsg(err, fmt.Sprintf("api prometheus start err: %d", prometheusPort))
netDone <- struct{}{}
}
}()
}
address := net.JoinHostPort(network.GetListenIP(config.API.Api.ListenIP), strconv.Itoa(apiPort))
server := http.Server{Addr: address, Handler: router}
log.CInfo(ctx, "API server is initializing", "address", address, "apiPort", apiPort, "prometheusPort", prometheusPort)
go func() {
err = server.ListenAndServe()
if err != nil && err != http.ErrServerClosed {
netErr = errs.WrapMsg(err, fmt.Sprintf("api start err: %s", server.Addr))
netDone <- struct{}{}
}
}()
sigs := make(chan os.Signal, 1)
signal.Notify(sigs, syscall.SIGTERM)
ctx, cancel := context.WithTimeout(context.Background(), 15*time.Second)
defer cancel()
select {
case <-sigs:
program.SIGTERMExit()
err := server.Shutdown(ctx)
if err != nil {
return errs.WrapMsg(err, "shutdown err")
}
case <-netDone:
close(netDone)
return netErr
}
return nil
}