DeepFal
86e159b3f0
边缘网关 + Agent 的端口中继：Agent 主动连出到网关，把内网目标挂到网关端口上； 通过邀请链接按设备授权，可选审批，首次连接起计时，到期、闲置自动收回。 - portrelay-server：边缘网关（端口池、白名单与授权租约、邀请与授权网页） - portrelay-agent：Agent（yamux 隧道、本地 API 与网页面板、流量统计） - mac-native：SwiftUI 菜单栏 App
46 lines
966 B
Go
46 lines
966 B
Go
package client
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import (
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"fmt"
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"net"
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"time"
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)
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// ProbeResult holds ping/reachability info
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type ProbeResult struct {
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Target string `json:"target"`
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Reachable bool `json:"reachable"`
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RTT time.Duration `json:"rtt"`
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Error string `json:"error,omitempty"`
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}
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// ProbeTarget checks if this machine can reach target
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func ProbeTarget(target string, timeout time.Duration) ProbeResult {
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if timeout <= 0 {
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timeout = 2 * time.Second
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}
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start := time.Now()
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conn, err := net.DialTimeout("tcp", target, timeout)
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if err != nil {
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return ProbeResult{
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Target: target,
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Reachable: false,
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RTT: time.Since(start),
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Error: err.Error(),
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}
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}
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defer conn.Close()
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return ProbeResult{
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Target: target,
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Reachable: true,
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RTT: time.Since(start),
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}
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}
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// FormatRTT formats duration in ms
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func (pr ProbeResult) FormatRTT() string {
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return fmt.Sprintf("%.1f ms", float64(pr.RTT.Microseconds())/1000.0)
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}
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