整理代码缩小收发缓存大小节省内存

554325746@qq.com

2020-03-24 495ffcdad0027be02d5fc82825e08f36b6a53b90

 rpc/recv.go

@@ -12,17 +12,20 @@
type Reciever struct {
    ctx    context.Context
    ipcURL string
    out    chan<- []byte
    out    chan []byte
    chCap  int

    shm      bool
    fnLogger func(...interface{})
}

// NewReciever new recv
func NewReciever(url string, out chan<- []byte, shm bool, fn func(...interface{})) *Reciever {
func NewReciever(url string, out chan []byte, shm bool, fn func(...interface{})) *Reciever {
    return &Reciever{
        ipcURL:   url,
        out:      out,
        chCap:  cap(out),

        shm:      shm,
        fnLogger: fn,
    }
@@ -31,17 +34,10 @@
// Run run a IPC client
func (r *Reciever) Run(ctx context.Context) {

    if r.shm {
        r.runShm(ctx)
    } else {
        r.run(ctx, deliver.NewServer(deliver.PushPull, r.ipcURL))
    }
}

func (r *Reciever) run(ctx context.Context, i deliver.Deliver) {

    count := 0

    i := r.createIPC(ctx, 50*time.Millisecond, 200)

    for {
        select {
        case <-ctx.Done():
@@ -50,39 +46,33 @@
        default:

            if r.shm {
                if i == nil {
                    r.fnLogger("!!!!!!SDK Recv createIPC not ready error:", r.ipcURL)
                    i = r.createIPC(ctx, 50*time.Millisecond, 10)
                }
                if i == nil {
                    r.fnLogger("!!!!!!SDK Recv createIPC error:", r.ipcURL)
                    continue
                }
                if d, err := i.Recv(); err != nil {
                    i.Close()
                    r.fnLogger("Reciever RECV From:", r.ipcURL, " ERROR: ", err)

                    c, err := deliver.NewServerWithError(deliver.Shm, r.ipcURL)
                loopR:
                    for {
                        select {
                        case <-ctx.Done():
                            return
                        default:
                            if err == nil {
                                break loopR
                            }
                            time.Sleep(time.Second)
                            c, err = deliver.NewServerWithError(deliver.Shm, r.ipcURL)
                            r.fnLogger("Recver ANALYSIS CREATE:", r.ipcURL, "  FAILED : ", err)
                        }
                    }
                    i = c
                    r.fnLogger("Reciever CREATE SHM:", r.ipcURL)
                    i.Close()
                    r.fnLogger("SDK RECV:", r.ipcURL, "ERROR:", err)

                    i = r.createIPC(ctx, time.Hour, -1)
                    r.fnLogger("To Reid Recver CREATE SHM:", r.ipcURL)
                } else {
                    if d != nil {
                        count++
                        if count > 10 {
                            count = 0
                            r.fnLogger("~~~shm recv image:", len(d))
                        if len(r.out) > r.chCap/2 {
                            for i := 0; i < r.chCap/2; i++ {
                                <-r.out
                        }
                        if len(d) > 2 {
                        }
                            r.out <- d
                        r.fnLogger("~~~shm recv from:", r.ipcURL, "image:", len(d))
                        }
                    }
                }

            } else {
                if msg, err := i.Recv(); err != nil {
                    // logo.Errorln("recv error : ", err, " url: ", r.ipcURL)
@@ -93,6 +83,11 @@
                        r.fnLogger("~~~mangos recv image:", len(msg))
                    }
                    if len(msg) > 2 {
                        if len(r.out) > r.chCap/2 {
                            for i := 0; i < r.chCap/2; i++ {
                                <-r.out
                            }
                        }
                        r.out <- msg
                    }
                }
@@ -102,22 +97,36 @@
    }
}

func (r *Reciever) runShm(ctx context.Context) {
    c, err := deliver.NewServerWithError(deliver.Shm, r.ipcURL)
loopRBegin:
func (r *Reciever) createIPC(ctx context.Context, wait time.Duration, loop int) deliver.Deliver {

    mode := deliver.PushPull
    if r.shm {
        mode = deliver.Shm
    }

    try := 0

    c, err := deliver.NewClientWithError(mode, r.ipcURL)
loopR:
    for {
        select {
        case <-ctx.Done():
            return
            return nil
        default:
            if err == nil {
                break loopRBegin
                break loopR
            }
            time.Sleep(1 * time.Second)
            c, err = deliver.NewServerWithError(deliver.Shm, r.ipcURL)
            r.fnLogger("Recver CLIENT CREATE", r.ipcURL, "FAILED : ", err)
            if loop > 0 {
                try++
                if try > loop {
                    return nil
                }
                time.Sleep(wait)
            } else {
                time.Sleep(time.Second)
            }
            c, err = deliver.NewClientWithError(mode, r.ipcURL)
        }
    }

    r.run(ctx, c)
    return c
}