DaoMqPump2/DaoCommon/Logfile.cs

using System;
using System.Collections.Generic;
using System.Text;
using System.Globalization;
using System.IO;

namespace DaoCommon
{
    public enum LogfileType
    {
        LogTransactions,
        LogEvents,
        LogDiscarded
    }


    public class Logfile : IDisposable
    {
        // Flag: Has Dispose already been called? 
        bool disposed = false; //IDisposable

        private LogfileType type;
        private string name;
        private String logDirectory;
        private LinkedList<string> logEntries = new LinkedList<string>();

        StreamWriter realLogFile = null;

        public Logfile(LogfileType type, string logname, string logDirectory)
        {
            this.type = type;
            this.logDirectory = logDirectory;
            this.name = logname;
        }

        public static string getNowString()
        {
            DateTime now = DateTime.Now;

            return now.ToString("s");
        }


        public string getLogFilename()
        {
            return getLogFilename(type, logDirectory, name);
        }

        public static string getLogFilename(LogfileType type, string logDirectory, string name)
        {

            DateTime now = DateTime.Now;
            string filename = logDirectory + "\\";

            //Find uge nr
            DateTimeFormatInfo dfi = DateTimeFormatInfo.CurrentInfo;
            Calendar myCal = CultureInfo.InvariantCulture.Calendar;//System.Globalization
            int week = myCal.GetWeekOfYear(now, dfi.CalendarWeekRule, dfi.FirstDayOfWeek);

            switch (type)
            {
                case LogfileType.LogEvents:
                    filename += "eventlog_";
                    break;

                case LogfileType.LogTransactions:
                    filename += "transactionlog_";
                    break;

                case LogfileType.LogDiscarded:
                    filename += "discardedlog_";
                    break;
            }


            filename += name + "_" + now.Year.ToString("D4") + "_W" + week.ToString("D2") + ".log";

            return filename;
        }

        private void checkAndOpenfile()
        {
            if (realLogFile != null)
                return;

            string filename = getLogFilename();

            realLogFile = new StreamWriter(filename, true);
        }

        public void writeLogEntry(string msg) 
        {
            checkAndOpenfile();

            realLogFile.WriteLine(getNowString() + " " + msg);
            realLogFile.Flush();
        }


        public void addSingleLogEntry(string msg)
        {
            msg = Logfile.getNowString() + " " + msg;
            lock (logEntries)
            {
                logEntries.AddFirst(msg);

                if (logEntries.Count > 20)
                {
                    logEntries.RemoveLast();
                }
            }

            string filename = getLogFilename();
            using (StreamWriter eventlog = new StreamWriter(filename, true))
            {
                eventlog.WriteLine(msg);
            }

            Console.WriteLine(msg);
        }

        public string[] getLog()
        {
            lock (logEntries)
            {
                List<string> tmpEntries = new List<string>();
                foreach (string s in logEntries)
                {
                    tmpEntries.Add(s);
                }
                return tmpEntries.ToArray();
            }
        }

        public void Dispose()
        {
            if (disposed)
                return;

            try
            {
                if (realLogFile != null)
                {
                    realLogFile.Close();
                    realLogFile.Dispose();
                }
            }
            catch (Exception e)
            {
                Console.WriteLine("Error disposing logfile : ", e.Message);
            }


            // Free any unmanaged objects here. 
            //
            disposed = true;
        }


    }
}
1	using System;
2	using System.Collections.Generic;
3	using System.Text;
4	using System.Globalization;
5	using System.IO;
6
7	namespace DaoCommon
8	{
9	public enum LogfileType
10	{
11	LogTransactions,
12	LogEvents,
13	LogDiscarded
14	}
15
16
17
18	public class Logfile : IDisposable
19	{
20	// Flag: Has Dispose already been called?
21	bool disposed = false; //IDisposable
22
23	private LogfileType type;
24	private string name;
25	private String logDirectory;
26	private LinkedList<string> logEntries = new LinkedList<string>();
27
28	StreamWriter realLogFile = null;
29
30	public Logfile(LogfileType type, string logname, string logDirectory)
31	{
32	this.type = type;
33	this.logDirectory = logDirectory;
34	this.name = logname;
35	}
36
37	public static string getNowString()
38	{
39	DateTime now = DateTime.Now;
40
41	return now.ToString("s");
42	}
43
44
45	public string getLogFilename()
46	{
47	return getLogFilename(type, logDirectory, name);
48	}
49
50	public static string getLogFilename(LogfileType type, string logDirectory, string name)
51	{
52
53	DateTime now = DateTime.Now;
54	string filename = logDirectory + "\\";
55
56	//Find uge nr
57	DateTimeFormatInfo dfi = DateTimeFormatInfo.CurrentInfo;
58	Calendar myCal = CultureInfo.InvariantCulture.Calendar;//System.Globalization
59	int week = myCal.GetWeekOfYear(now, dfi.CalendarWeekRule, dfi.FirstDayOfWeek);
60
61	switch (type)
62	{
63	case LogfileType.LogEvents:
64	filename += "eventlog_";
65	break;
66
67	case LogfileType.LogTransactions:
68	filename += "transactionlog_";
69	break;
70
71	case LogfileType.LogDiscarded:
72	filename += "discardedlog_";
73	break;
74	}
75
76
77	filename += name + "_" + now.Year.ToString("D4") + "_W" + week.ToString("D2") + ".log";
78
79	return filename;
80	}
81
82	private void checkAndOpenfile()
83	{
84	if (realLogFile != null)
85	return;
86
87	string filename = getLogFilename();
88
89	realLogFile = new StreamWriter(filename, true);
90	}
91
92	public void writeLogEntry(string msg)
93	{
94	checkAndOpenfile();
95
96	realLogFile.WriteLine(getNowString() + " " + msg);
97	realLogFile.Flush();
98	}
99
100
101	public void addSingleLogEntry(string msg)
102	{
103	msg = Logfile.getNowString() + " " + msg;
104	lock (logEntries)
105	{
106	logEntries.AddFirst(msg);
107
108	if (logEntries.Count > 20)
109	{
110	logEntries.RemoveLast();
111	}
112	}
113
114	string filename = getLogFilename();
115	using (StreamWriter eventlog = new StreamWriter(filename, true))
116	{
117	eventlog.WriteLine(msg);
118	}
119
120	Console.WriteLine(msg);
121	}
122
123	public string[] getLog()
124	{
125	lock (logEntries)
126	{
127	List<string> tmpEntries = new List<string>();
128	foreach (string s in logEntries)
129	{
130	tmpEntries.Add(s);
131	}
132	return tmpEntries.ToArray();
133	}
134	}
135
136	public void Dispose()
137	{
138	if (disposed)
139	return;
140
141	try
142	{
143	if (realLogFile != null)
144	{
145	realLogFile.Close();
146	realLogFile.Dispose();
147	}
148	}
149	catch (Exception e)
150	{
151	Console.WriteLine("Error disposing logfile : ", e.Message);
152	}
153
154
155	// Free any unmanaged objects here.
156	//
157	disposed = true;
158	}
159
160
161
162	}
163	}