54 lines
1.7 KiB
Kotlin
54 lines
1.7 KiB
Kotlin
package com.gacy.android.service
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import kotlinx.coroutines.flow.MutableStateFlow
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import kotlinx.coroutines.flow.StateFlow
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import kotlinx.coroutines.flow.asStateFlow
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import java.text.SimpleDateFormat
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import java.util.Date
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import java.util.Locale
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object LogBuffer {
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private const val MAX_LOG_LINES = 500
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private const val MAX_DIAGNOSTIC_LINES = 100
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private val timeFormat = SimpleDateFormat("HH:mm:ss", Locale.getDefault())
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private val diagnostics = ArrayDeque<String>()
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private val _logs = MutableStateFlow<List<String>>(emptyList())
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val logs: StateFlow<List<String>> = _logs.asStateFlow()
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@Synchronized
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fun append(message: String) {
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val timestamp = timeFormat.format(Date())
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val formatted = "[$timestamp] $message"
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if (isDiagnostic(message)) {
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diagnostics.addLast(formatted)
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if (diagnostics.size > MAX_DIAGNOSTIC_LINES) diagnostics.removeFirst()
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}
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val current = _logs.value.toMutableList()
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current.add(formatted)
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if (current.size > MAX_LOG_LINES) {
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current.removeAt(0)
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}
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_logs.value = current
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}
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@Synchronized
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fun clear() {
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_logs.value = emptyList()
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diagnostics.clear()
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}
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@Synchronized
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fun getAllText(): String {
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val recent = _logs.value
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val olderDiagnostics = diagnostics.filterNot { it in recent }
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return (olderDiagnostics + recent).joinToString("\n")
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}
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private fun isDiagnostic(message: String): Boolean =
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"[gateway]" in message || "[DISPATCH]" in message ||
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"[KCP] handshake rejected:" in message || "[KCP] packet rejected:" in message ||
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"New connection from addr:" in message || "[Server error]" in message
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}
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