gRPC服务器重新部署后重连如何处理？

重新部署后如何连接到 gRPC 服务器

在 gRPC 中，clientconn.go 代码自动管理重新连接。但是，如果服务器 Pod 被回收，流将中断并需要重新建立。要解决此问题，请按照以下步骤操作：

处理请求

func (grpcclient *gRPCClient) ProcessRequests() error {
    defer grpcclient.Close()    

    go grpcclient.process()
    for {
        select {
            case <p><strong>处理请求：</strong></p><pre class="brush:php;toolbar:false">func (grpcclient *gRPCClient) process() {
    reqclient := GetStream() // Get a new stream after reconnecting
    for {
        request, err := reqclient.stream.Recv()
        log.Info("Request received")
        if err == io.EOF {          
            grpcclient.done <p> <strong>检查连接State</strong></p><pre class="brush:php;toolbar:false">func (grpcclient *gRPCClient) waitUntilReady() bool {
    ctx, cancel := context.WithTimeout(context.Background(), 300*time.Second) // Define the timeout for waiting
    defer cancel()

    currentState := grpcclient.conn.GetState()
    stillConnecting := true

    for currentState != connectivity.Ready && stillConnecting {
        // Wait for state change
        stillConnecting = grpcclient.conn.WaitForStateChange(ctx, currentState)
        currentState = grpcclient.conn.GetState()
        log.WithFields(log.Fields{"state: ": currentState, "timeout": timeoutDuration}).Info("Attempting reconnection. State has changed to:")
    }

    if stillConnecting == false {
        log.Error("Connection attempt has timed out.")
        return false
    }

    return true
}

这些修改将允许 gRPC 客户端在服务器重新部署后自动重新建立流并继续处理请求。

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