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using System.IO;
using System.Text;
namespace HslCommunication.LogNet
{
/// <summary>
/// 单日志文件对象
/// </summary>
/// <remarks>
/// 此日志实例化需要指定一个完整的文件路径，当需要记录日志的时候调用方法，会使得日志越来越大，对于写入的性能没有太大影响，但是会影响文件读取。
/// </remarks>
public class LogNetSingle : LogNetBase, ILogNet
{
#region Private Member
private string m_fileName = string.Empty;
#endregion
#region Constructor
/// <summary>
/// 实例化一个单文件日志的对象
/// </summary>
/// <param name="filePath">文件的路径</param>
/// <exception cref="FileNotFoundException"></exception>
public LogNetSingle(string filePath)
{
LogSaveMode = LogNetManagment.LogSaveModeBySingleFile;
m_fileName = filePath;
FileInfo fileInfo = new FileInfo(filePath);
if (!Directory.Exists(fileInfo.DirectoryName))
{
Directory.CreateDirectory(fileInfo.DirectoryName);
}
}
#endregion
#region Public Method
/// <summary>
/// 单日志文件允许清空日志内容
/// </summary>
public void ClearLog()
{
m_fileSaveLock.Enter();
if (!string.IsNullOrEmpty(m_fileName))
{
File.Create(m_fileName).Dispose();
}
m_fileSaveLock.Leave();
}
/// <summary>
/// 获取单日志文件的所有保存记录
/// </summary>
/// <returns>字符串信息</returns>
public string GetAllSavedLog()
{
string result = string.Empty;
m_fileSaveLock.Enter();
if (!string.IsNullOrEmpty(m_fileName))
{
if (File.Exists(m_fileName))
{
StreamReader stream = new StreamReader(m_fileName, Encoding.UTF8);
result = stream.ReadToEnd();
stream.Dispose();
}
}
m_fileSaveLock.Leave();
return result;
}
/// <summary>
/// 获取所有的日志文件数组，对于单日志文件来说就只有一个
/// </summary>
/// <returns>字符串数组，包含了所有的存在的日志数据</returns>
public string[] GetExistLogFileNames()
{
return new string[]
{
m_fileName,
};
}
#endregion
#region LogNetBase Override
/// <summary>
/// 获取存储的文件的名称
/// </summary>
/// <returns>字符串数据</returns>
protected override string GetFileSaveName()
{
return m_fileName;
}
#endregion
#region Object Override
/// <summary>
/// 返回表示当前对象的字符串
/// </summary>
/// <returns></returns>
public override string ToString()
{
return $"LogNetSingle";
}
#endregion
}
}
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