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https://gitee.com/wanwujie/sub2api
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fix(gateway): WS 连接池条件式 MarkBroken 防止跨请求串流
正常终端事件(response.completed 等)退出后连接归还复用, 仅异常路径(读写错误、error 事件、客户端断连)MarkBroken 销毁。 Generate 模式: - 引入 cleanExit 标记,仅在 isTerminalEvent break 时设置 true - defer 中根据 cleanExit 决定是否 MarkBroken - 所有异常路径已在各自分支中提前调用 MarkBroken Ingress 模式: - 引入 lastTurnClean 标记,sendAndRelay 正常完成时设为 true - releaseSessionLease 根据 lastTurnClean 决定是否 MarkBroken - 错误路径重置 lastTurnClean = false - 客户端断连后 drain 仍保守 MarkBroken(L2916)
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@@ -1870,7 +1870,16 @@ func (s *OpenAIGatewayService) forwardOpenAIWSV2(
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}
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return nil, wrapOpenAIWSFallback(classifyOpenAIWSAcquireError(err), err)
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}
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defer lease.Release()
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// cleanExit 标记正常终端事件退出,此时上游不会再发送帧,连接可安全归还复用。
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// 所有异常路径(读写错误、error 事件等)已在各自分支中提前调用 MarkBroken,
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// 因此 defer 中只需处理正常退出时不 MarkBroken 即可。
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cleanExit := false
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defer func() {
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if !cleanExit {
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lease.MarkBroken()
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}
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lease.Release()
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}()
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connID := strings.TrimSpace(lease.ConnID())
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logOpenAIWSModeDebug(
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"connected account_id=%d account_type=%s transport=%s conn_id=%s conn_reused=%v conn_pick_ms=%d queue_wait_ms=%d has_previous_response_id=%v",
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@@ -2248,6 +2257,7 @@ func (s *OpenAIGatewayService) forwardOpenAIWSV2(
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}
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if isTerminalEvent {
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cleanExit = true
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break
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}
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}
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@@ -2983,12 +2993,15 @@ func (s *OpenAIGatewayService) ProxyResponsesWebSocketFromClient(
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pinnedSessionConnID = connID
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}
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}
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// lastTurnClean 标记最后一轮 sendAndRelay 是否正常完成(收到终端事件且客户端未断连)。
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// 所有异常路径(读写错误、error 事件、客户端断连)已在各自分支或上层(L3403)中 MarkBroken,
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// 因此 releaseSessionLease 中只需在非正常结束时 MarkBroken。
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lastTurnClean := false
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releaseSessionLease := func() {
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if sessionLease == nil {
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return
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}
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if dedicatedMode {
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// dedicated 会话结束后主动标记损坏,确保连接不会跨会话复用。
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if !lastTurnClean {
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sessionLease.MarkBroken()
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}
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unpinSessionConn(sessionConnID)
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@@ -3383,6 +3396,7 @@ func (s *OpenAIGatewayService) ProxyResponsesWebSocketFromClient(
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result, relayErr := sendAndRelay(turn, sessionLease, currentPayload, currentPayloadBytes, currentOriginalModel)
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if relayErr != nil {
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lastTurnClean = false
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if recoverIngressPrevResponseNotFound(relayErr, turn, connID) {
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continue
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}
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@@ -3402,6 +3416,7 @@ func (s *OpenAIGatewayService) ProxyResponsesWebSocketFromClient(
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turnRetry = 0
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turnPrevRecoveryTried = false
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lastTurnFinishedAt = time.Now()
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lastTurnClean = true
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if hooks != nil && hooks.AfterTurn != nil {
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hooks.AfterTurn(turn, result, nil)
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}
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