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[INLONG-12198][SDK] Make getWorker atomic in Dataproxy Go SDK #12205

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[INLONG-12198][SDK] Make getWorker atomic in Dataproxy Go SDK #12205

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5 changes: 3 additions & 2 deletions inlong-sdk/dataproxy-sdk-twins/dataproxy-sdk-golang/dataproxy/client.go
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Original file line number Diff line number Diff line change
Expand Up @@ -257,8 +257,9 @@ func (c *client) SendAsync(ctx context.Context, msg Message, cb Callback) {

func (c *client) getWorker() (*worker, error) {
workerNum := uint64(len(c.workers))
start := c.curWorkerIndex.Load()
c.curWorkerIndex.Add(1)
// Use the return value of the atomic increment as the starting index, ensuring
// concurrent callers each get a distinct sequence number.
start := c.curWorkerIndex.Add(1) - 1

for i := uint64(0); i < workerNum; i++ {
w := c.workers[(start+i)%workerNum]
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