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Fix concurrency in ConsoleIO

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Fix concurrency issues by using proper locks
This commit is contained in:
ORelio 2015-05-10 18:57:33 +02:00
parent 72498a6756
commit 3376247826
1 changed files with 56 additions and 21 deletions
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77
MinecraftClient/ConsoleIO.cs
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@ -14,16 +14,30 @@ namespace MinecraftClient
public static class ConsoleIO
{
public static void Reset() { if (reading) { ClearLineAndBuffer(); reading = false; Console.Write("\b \b"); } }
public static void SetAutoCompleteEngine(IAutoComplete engine) { autocomplete_engine = engine; }
public static bool basicIO = false;
private static IAutoComplete autocomplete_engine;
private static LinkedList<string> previous = new LinkedList<string>();
private static string buffer = "";
private static string buffer2 = "";
private static bool reading = false;
private static bool reading_lock = false;
private static bool writing_lock = false;
private static object io_lock = new object();
/// <summary>
/// Reset the IO mechanism & clear all buffers
/// </summary>
public static void Reset()
{
lock (io_lock)
{
if (reading)
{
ClearLineAndBuffer();
reading = false;
Console.Write("\b \b");
}
}
}
/// <summary>
/// Read a password from the standard input
@ -82,16 +96,20 @@ namespace MinecraftClient
{
if (basicIO) { return Console.ReadLine(); }
ConsoleKeyInfo k = new ConsoleKeyInfo();
Console.Write('>');
reading = true;
buffer = "";
buffer2 = "";
lock (io_lock)
{
Console.Write('>');
reading = true;
buffer = "";
buffer2 = "";
}
while (k.Key != ConsoleKey.Enter)
{
k = Console.ReadKey(true);
while (writing_lock) { }
reading_lock = true;
lock (io_lock)
{
if (k.Key == ConsoleKey.V && k.Modifiers == ConsoleModifiers.Control)
{
string clip = ReadClipboard();
@ -173,13 +191,16 @@ namespace MinecraftClient
AddChar(k.KeyChar);
break;
}
}
}
reading_lock = false;
}
while (writing_lock) { }
reading = false;
previous.AddLast(buffer + buffer2);
return buffer + buffer2;
lock (io_lock)
{
reading = false;
previous.AddLast(buffer + buffer2);
return buffer + buffer2;
}
}
/// <summary>
@ -188,9 +209,10 @@ namespace MinecraftClient
public static void Write(string text)
{
if (basicIO) { Console.Write(text); return; }
while (reading_lock) { }
writing_lock = true;
if (!basicIO)
{
lock (io_lock)
{
if (reading)
{
try
@ -221,12 +243,13 @@ namespace MinecraftClient
{
//Console resized: Try again
Console.Write('\n');
writing_lock = false;
Write(text);
}
}
else Console.Write(text);
writing_lock = false;
}
}
else Console.Write(text);
}
/// <summary>
@ -289,7 +312,7 @@ namespace MinecraftClient
case 'd': Console.ForegroundColor = ConsoleColor.Magenta; break;
case 'e': Console.ForegroundColor = ConsoleColor.Yellow; break;
case 'f': Console.ForegroundColor = ConsoleColor.White; break;
case 'r': Console.ForegroundColor = ConsoleColor.White; break;
case 'r': Console.ForegroundColor = ConsoleColor.Gray; break;
}
if (subs[i].Length > 1)
@ -387,6 +410,18 @@ namespace MinecraftClient
return clipdata;
}
#endregion
#region AutoComplete API
/// <summary>
/// Set an auto-completion engine for TAB autocompletion
/// </summary>
/// <param name="engine">Engine implementing the IAutoComplete interface</param>
public static void SetAutoCompleteEngine(IAutoComplete engine)
{
autocomplete_engine = engine;
}
#endregion
}
/// <summary>