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// Copyright © 2024 OpenIM. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package tools
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import (
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"fmt"
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"os"
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"time"
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pbconversation "github.com/openimsdk/protocol/conversation"
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"github.com/openimsdk/tools/log"
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"github.com/openimsdk/tools/mcontext"
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)
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// clearBurnExpiredMsgs 阅后即焚 cron 入口：循环调用 conversation 服务的
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// ClearBurnExpiredMsgs，每次至多处理 burnClearLimit 个 (user, conversation) 分组，
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// 直至本轮没有新的过期分组或达到 burnClearMaxLoop 轮。
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func (c *cronServer) clearBurnExpiredMsgs() {
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now := time.Now()
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operationID := fmt.Sprintf("cron_burn_msg_%d_%d", os.Getpid(), now.UnixMilli())
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ctx := mcontext.SetOperationID(c.ctx, operationID)
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log.ZDebug(ctx, "clear burn expired msgs cron start")
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burnLimit := int32(c.config.CronTask.BurnClearLimit)
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maxLoop := c.config.CronTask.BurnClearMaxLoop
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var count int
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for i := 1; i <= maxLoop; i++ {
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resp, err := c.conversationClient.ClearBurnExpiredMsgs(ctx, &pbconversation.ClearBurnExpiredMsgsReq{
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Timestamp: now.UnixMilli(),
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Limit: burnLimit,
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})
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if err != nil {
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log.ZError(ctx, "ClearBurnExpiredMsgs failed.", err)
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return
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}
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count += int(resp.Count)
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if resp.Count < burnLimit {
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break
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}
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}
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log.ZDebug(ctx, "clear burn expired msgs cron completed", "cost", time.Since(now), "count", count)
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}
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