Files
2026-09-06 21:36:26 +05:30

139 lines
4.2 KiB
C#

using System;
using System.IO;
using UnityEngine;
public class Logger
{
public static bool Enabled = true;
private static Logger m_instance = null;
private static readonly object FileLock = new object();
private static string ApplicationDirectory
{
get
{
// Android (and iOS): dataPath is inside the package/APK and is not writable.
if (Application.platform == RuntimePlatform.Android ||
Application.platform == RuntimePlatform.IPhonePlayer)
{
return Application.persistentDataPath;
}
string path = Application.dataPath;
#if UNITY_EDITOR
// Never write under Assets/: the Editor importer locks those files, and
// File.AppendAllText then throws Sharing violation. Mirror treats that as a
// fatal RPC error and disconnects the client.
path = Path.GetFullPath(Path.Combine(path, ".."));
#else
if (Application.platform == RuntimePlatform.OSXPlayer)
{
path = Path.Combine(path, "..", "..");
}
else if (Application.platform == RuntimePlatform.WindowsPlayer)
{
path = Path.Combine(path, "..");
}
#endif
return path;
}
}
public string LogFilePath {get; private set;}
public static Logger instance
{
get
{
if (m_instance == null)
{
m_instance = new Logger();
}
return m_instance;
}
}
public Logger()
{
if(!Enabled){return;}
Debug.Log("Starting logger @ " + ApplicationDirectory);
if(LogFilePath == null){
LogFilePath = Path.Combine(ApplicationDirectory, "Log.txt");
}
TryWriteFile(LogFilePath, "Logger initiated at " + DateTime.Now + "\n\n", append: false);
}
public void log(string message){
if(!Enabled){return;}
Debug.Log(message);
TryWriteFile(LogFilePath, $"[{DateTime.Now}] {message}\n", append: true);
}
public static void Log(string message){
instance.log(message);
}
public static void SetFileName(string fileName){
EnsureDirectoryExists(Path.Combine(ApplicationDirectory, "Logs"));
instance.LogFilePath = Path.Combine(ApplicationDirectory, "Logs", fileName + ".txt");
}
public static void EnsureDirectoryExists(string path){
if(!Directory.Exists(path)){
Directory.CreateDirectory(path);
}
}
/// <summary>Writable Logs folder next to match log files (creates if missing).</summary>
public static string GetLogsDirectory()
{
string dir = Path.Combine(ApplicationDirectory, "Logs");
EnsureDirectoryExists(dir);
return dir;
}
public static void SetFilePath(string path){
instance.LogFilePath= path;
}
/// <summary>
/// File I/O must never throw: callers include Mirror RPCs, and an exception there
/// disconnects the client. Sharing violations are expected if another process has
/// the file open; FileShare.ReadWrite plus a swallow keeps gameplay alive.
/// </summary>
static void TryWriteFile(string path, string contents, bool append)
{
if (string.IsNullOrEmpty(path) || contents == null)
return;
try
{
string dir = Path.GetDirectoryName(path);
if (!string.IsNullOrEmpty(dir))
EnsureDirectoryExists(dir);
}
catch (Exception e)
{
Debug.LogWarning("Logger: could not create log directory: " + e.Message);
return;
}
lock (FileLock)
{
try
{
FileMode mode = append ? FileMode.Append : FileMode.Create;
using (var stream = new FileStream(path, mode, FileAccess.Write, FileShare.ReadWrite))
using (var writer = new StreamWriter(stream))
{
writer.Write(contents);
}
}
catch (Exception e)
{
Debug.LogWarning("Logger: file write failed (" + path + "): " + e.Message);
}
}
}
}