47 lines
1.1 KiB
Go
47 lines
1.1 KiB
Go
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package frp
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import (
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"os"
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"strings"
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)
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const maxConnectionLogRead = 128 << 10
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func inspectConnectionLog(path, processState string) (string, string) {
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if processState != "running" {
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if processState == "error" {
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return "error", "frpc 进程已退出"
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}
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return "disconnected", ""
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}
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data, err := os.ReadFile(path)
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if err != nil {
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return "unknown", ""
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}
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if len(data) > maxConnectionLogRead {
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data = data[len(data)-maxConnectionLogRead:]
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}
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lines := strings.Split(string(data), "\n")
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for index := len(lines) - 1; index >= 0; index-- {
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line := strings.TrimSpace(lines[index])
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lower := strings.ToLower(line)
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switch {
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case strings.Contains(lower, "login to server success"):
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return "connected", ""
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case strings.Contains(lower, "login to server failed"), strings.Contains(lower, "connect to server error"):
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return "error", trimConnectionError(line)
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case strings.Contains(lower, "frpc service") && strings.Contains(lower, "stopped"):
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return "disconnected", ""
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}
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}
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return "unknown", ""
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}
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func trimConnectionError(value string) string {
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value = strings.TrimSpace(value)
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if len(value) > 500 {
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return value[:500]
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}
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return value
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}
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