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zhangzengfei

2024-09-26 88b1f1d1d14a8fe9e3dde2f363a89d821fc0e641

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package serve
 
import (
    "context"
    "time"
 
    "sdkCompare/cache"
    "sdkCompare/compare"
    "sdkCompare/proto/facecompare"
 
    "basic.com/pubsub/protomsg.git"
    "basic.com/valib/logger.git"
    "github.com/golang/protobuf/proto"
    "nanomsg.org/go-mangos"
    "nanomsg.org/go-mangos/protocol/rep"
    "nanomsg.org/go-mangos/transport/ipc"
    "nanomsg.org/go-mangos/transport/tcp"
)
 
func serverWorker(ctx context.Context, sock mangos.Socket, id int) {
    for {
        select {
        case <-ctx.Done():
            logger.Infof("worker %d done", id)
            return
        default:
            var msg *mangos.Message
            var err error
            if msg, err = sock.RecvMsg(); err != nil {
                return
            }
 
            var request facecompare.CompareRequest
            err = proto.Unmarshal(msg.Body, &request)
            if err != nil {
                logger.Warn("CompareRequest json unmarshal error")
                if err = sock.SendMsg(msg); err != nil {
                    logger.Warn("send reply err:", err.Error())
                    continue
                }
            }
 
            var result []byte
            if request.CompareType == facecompare.CompareType_Compare {
                var compareArgInfo protomsg.CompareArgs
                if err = proto.Unmarshal(request.Payload, &compareArgInfo); err == nil {
                    timeStart := time.Now()
                    result = compare.Walk(compareArgInfo)
                    logger.Debug("用时：", time.Since(timeStart))
                } else {
                    logger.Warn("CompareArgs or EsPersonCacheChange json unmarshal error")
                }
            } else if request.CompareType == facecompare.CompareType_UpdateCache {
                var compareEvent protomsg.CompareEvent
                if err = proto.Unmarshal(request.Payload, &compareEvent); err == nil {
                    if compareEvent.EventType == protomsg.CompareEventType_ReInitCache { //加入集群后重新初始化缓存
                        cache.ReInitDbTablePersonsCache()
                    } else if compareEvent.EventType == protomsg.CompareEventType_UpdateCache { //库中新增更新缓存
                        id := string(compareEvent.Payload)
                        cache.UpdateDbPersonsCacheById(id)
                        logger.Info("--------------更新人员缓存, id: ", id)
                    } else if compareEvent.EventType == protomsg.CompareEventType_DeleteCache { //库中新增更新缓存
                        id := string(compareEvent.Payload)
                        cache.DeleteDbPersonsCacheById(id)
                        logger.Info("--------------删除人员缓存, id: ", id)
                    }
                } else {
                    logger.Warn("CompareEvent json unmarshal error")
                }
            }
 
            msg.Body = result
 
            if err = sock.SendMsg(msg); err != nil {
                logger.Warn("send reply err:", err.Error())
            }
        }
    }
}
 
func Start(ctx context.Context, url string, nWorkers int) {
    var sock mangos.Socket
    var err error
 
    if sock, err = rep.NewSocket(); err != nil {
        logger.Error("can't get new rep socket: %s", err)
        return
    }
 
    if err = sock.SetOption(mangos.OptionRaw, true); err != nil {
        logger.Error("can't set raw mode: %s", err)
        return
    }
 
    sock.AddTransport(ipc.NewTransport())
    sock.AddTransport(tcp.NewTransport())
    if err = sock.Listen(url); err != nil {
        logger.Error("can't listen on rep socket: %s", err.Error())
        return
    }
 
    logger.Debugf("Starting %d workers", nWorkers)
 
    for id := 0; id < nWorkers; id++ {
        go func(id int) {
            serverWorker(ctx, sock, id)
        }(id)
    }
}