28 lines
750 B
Bash
28 lines
750 B
Bash
#!/bin/bash
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#
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# 检查本地端口是否在指定超时时间内变为可用
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# 用法: ./check_port.sh <port> [timeout]
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# 例如: ./check_port.sh 8000 60
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#
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PORT=${1:-8000}
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TIMEOUT=${2:-60}
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INTERVAL=5
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START_TIME=$(date +%s)
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END_TIME=$((START_TIME + TIMEOUT))
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echo "开始检测: 端口 $PORT，超时时间 ${TIMEOUT}s，每次间隔 ${INTERVAL}s"
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while [ $(date +%s) -lt $END_TIME ]; do
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if nc -z -w1 localhost "$PORT" 2>/dev/null; then
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echo "[$(date '+%F %T')] ✅ 端口 $PORT 已启用"
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exit 0
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else
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echo "[$(date '+%F %T')] ⏳ 端口 $PORT 尚为启动用，等待 ${INTERVAL}s..."
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sleep $INTERVAL
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fi
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done
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echo "[$(date '+%F %T')] ❌ 超时: 端口 $PORT 在 ${TIMEOUT}s 内未变为启用"
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exit 1
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