Codex
26 lines
513 B
Bash
26 lines
513 B
Bash
#!/bin/bash
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set -e
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host="$1"
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port="$2"
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timeout="${3:-60}"
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if [ -z "$host" ] || [ -z "$port" ]; then
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echo "用法: $0 <host> <port> [timeout]"
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exit 1
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fi
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echo "等待 $host:$port (超时: ${timeout}s)..."
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end_time=$(($(date +%s) + timeout))
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while [ $(date +%s) -lt $end_time ]; do
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if timeout 1 bash -c "echo > /dev/tcp/${host}/${port}" 2>/dev/null; then
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echo "$host:$port 已可用"
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exit 0
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fi
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sleep 2
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done
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echo "错误: $host:$port 在 ${timeout} 秒内未能连接"
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exit 1
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