From 873135543c49239c36ed40c55aaa4dc664d902bb Mon Sep 17 00:00:00 2001 From: Grange <2634070476@qq.com> Date: Fri, 21 Jul 2023 22:00:45 +0800 Subject: [PATCH] =?UTF-8?q?CSharp=5F=E9=A1=BE=E6=9C=97=E5=93=B2=5F?= =?UTF-8?q?=E6=97=A021?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- hw1/.vscode/launch.json | 26 +++++ hw1/.vscode/tasks.json | 41 ++++++++ hw1/hw1/Program.cs | 225 ++++++++++++++++++++++++---------------- hw1/store.txt | 139 +++++++++++++++++++++++++ 4 files changed, 344 insertions(+), 87 deletions(-) create mode 100644 hw1/.vscode/launch.json create mode 100644 hw1/.vscode/tasks.json create mode 100644 hw1/store.txt diff --git a/hw1/.vscode/launch.json b/hw1/.vscode/launch.json new file mode 100644 index 0000000..4661127 --- /dev/null +++ b/hw1/.vscode/launch.json @@ -0,0 +1,26 @@ +{ + "version": "0.2.0", + "configurations": [ + { + // Use IntelliSense to find out which attributes exist for C# debugging + // Use hover for the description of the existing attributes + // For further information visit https://github.com/dotnet/vscode-csharp/blob/main/debugger-launchjson.md + "name": ".NET Core Launch (console)", + "type": "coreclr", + "request": "launch", + "preLaunchTask": "build", + // If you have changed target frameworks, make sure to update the program path. + "program": "${workspaceFolder}/hw1/bin/Debug/net6.0/hw1.dll", + "args": [], + "cwd": "${workspaceFolder}/hw1", + // For more information about the 'console' field, see https://aka.ms/VSCode-CS-LaunchJson-Console + "console": "internalConsole", + "stopAtEntry": false + }, + { + "name": ".NET Core Attach", + "type": "coreclr", + "request": "attach" + } + ] +} \ No newline at end of file diff --git a/hw1/.vscode/tasks.json b/hw1/.vscode/tasks.json new file mode 100644 index 0000000..4fe1052 --- /dev/null +++ b/hw1/.vscode/tasks.json @@ -0,0 +1,41 @@ +{ + "version": "2.0.0", + "tasks": [ + { + "label": "build", + "command": "dotnet", + "type": "process", + "args": [ + "build", + "${workspaceFolder}/hw1/hw1.csproj", + "/property:GenerateFullPaths=true", + "/consoleloggerparameters:NoSummary" + ], + "problemMatcher": "$msCompile" + }, + { + "label": "publish", + "command": "dotnet", + "type": "process", + "args": [ + "publish", + "${workspaceFolder}/hw1/hw1.csproj", + "/property:GenerateFullPaths=true", + "/consoleloggerparameters:NoSummary" + ], + "problemMatcher": "$msCompile" + }, + { + "label": "watch", + "command": "dotnet", + "type": "process", + "args": [ + "watch", + "run", + "--project", + "${workspaceFolder}/hw1/hw1.csproj" + ], + "problemMatcher": "$msCompile" + } + ] +} \ No newline at end of file diff --git a/hw1/hw1/Program.cs b/hw1/hw1/Program.cs index b89423d..93a8e25 100644 --- a/hw1/hw1/Program.cs +++ b/hw1/hw1/Program.cs @@ -1,88 +1,139 @@ -using System; -using System.Diagnostics; - -namespace Homework -{ - public class Program - { - public static void Main(string[] args) - { - ILongProgressByTime a = new LongProgressByTime(); - new Thread - ( - () => - { - Console.WriteLine("A Start: "+(a.Start(2000)).ToString()); - Thread.Sleep(1000); - Console.WriteLine("A TrySet0: "+(a.TrySet0()).ToString()); - Thread.Sleep(500); - Console.WriteLine("A Start: "+(a.Start(1000)).ToString() +" Now: "+Environment.TickCount64); - Thread.Sleep(500); - Console.WriteLine("A Progress: "+(a.GetProgress()).ToString() +" Now: "+Environment.TickCount64); - Thread.Sleep(1003); - Console.WriteLine("A TrySet0: "+(a.TrySet0()).ToString()); - } - ).Start(); - - new Thread - ( - () => - { - Console.WriteLine("B Start: "+(a.Start(2000)).ToString()); - Thread.Sleep(1500); - Console.WriteLine("B Start: " +(a.Start(1000)).ToString() + " Now: " + Environment.TickCount64); - Thread.Sleep(500); - Console.WriteLine("B Progress: " +(a.GetProgress()).ToString() + " Now: " + Environment.TickCount64); - } - ).Start(); - } - } - - public interface ILongProgressByTime - { - /// - /// 尝试加载下一次进度条，needTime指再次加载进度条所需时间，单位毫秒 - /// 如果之前进度条处于就绪态，则将进度开始下一次加载，返回true - /// 如果之前进度条不处于就绪态，返回false - /// - public bool Start(long needTime); - - /// - /// 使未完成的进度条清零并终止变为就绪态，返回值代表是否成功终止 - /// - public bool TrySet0(); - - /// - /// 使进度条强制清零并终止变为就绪态 - /// - public void Set0(); - - /// - /// ElapsedTime指其中已过去的时间，NeedTime指当前Progress完成所需时间，单位毫秒 - /// - public (long ElapsedTime, long NeedTime) GetProgress(); - } - - public class LongProgressByTime: ILongProgressByTime - { - // 根据时间推算Start后完成多少进度的进度条（long）。 - - // 只允许修改LongProgressByTime类中的代码 - // 要求实现ILongProgressByTime中的要求 - // 可利用Environment.TickCount64获取当前时间（单位ms） - - //挑战：利用原子操作 - //long.MaxValue非常久 - } - -/*输出示例（仅供参考）： - * A Start: False -B Start: True -A TrySet0: True -B Start: True Now: 14536562 -A Start: False Now: 14536578 -B Progress: (516, 1000) Now: 14537078 -A Progress: (516, 1000) Now: 14537078 -A TrySet0: False -*/ +using System; +using System.Diagnostics; + +namespace Homework +{ + public class Program + { + public static void Main(string[] args) + { + ILongProgressByTime a = new LongProgressByTime(); + new Thread + ( + () => + { + Console.WriteLine("A Start: "+(a.Start(2000)).ToString()); + Thread.Sleep(1000); + Console.WriteLine("A TrySet0: "+(a.TrySet0()).ToString()); + Thread.Sleep(500); + Console.WriteLine("A Start: "+(a.Start(1000)).ToString() +" Now: "+Environment.TickCount64); + Thread.Sleep(500); + Console.WriteLine("A Progress: "+(a.GetProgress()).ToString() +" Now: "+Environment.TickCount64); + Thread.Sleep(1003); + Console.WriteLine("A TrySet0: "+(a.TrySet0()).ToString()); + } + ).Start(); + + new Thread + ( + () => + { + Console.WriteLine("B Start: "+(a.Start(2000)).ToString()); + Thread.Sleep(1500); + Console.WriteLine("B Start: " +(a.Start(1000)).ToString() + " Now: " + Environment.TickCount64); + Thread.Sleep(500); + Console.WriteLine("B Progress: " +(a.GetProgress()).ToString() + " Now: " + Environment.TickCount64); + } + ).Start(); + } + } + + public interface ILongProgressByTime + { + /// + /// 尝试加载下一次进度条，needTime指再次加载进度条所需时间，单位毫秒 + /// 如果之前进度条处于就绪态，则将进度开始下一次加载，返回true + /// 如果之前进度条不处于就绪态，返回false + /// + public bool Start(long needTime); + + /// + /// 使未完成的进度条清零并终止变为就绪态，返回值代表是否成功终止 + /// + public bool TrySet0(); + + /// + /// 使进度条强制清零并终止变为就绪态 + /// + public void Set0(); + + /// + /// ElapsedTime指其中已过去的时间，NeedTime指当前Progress完成所需时间，单位毫秒 + /// + public (long ElapsedTime, long NeedTime) GetProgress(); + } + + public class LongProgressByTime: ILongProgressByTime + { + // 根据时间推算Start后完成多少进度的进度条（long）。 + + // 只允许修改LongProgressByTime类中的代码 + // 要求实现ILongProgressByTime中的要求 + // 可利用Environment.TickCount64获取当前时间（单位ms） + + long startTime; + long requiredTime; + long finishedTime; + bool isAtReady = true; + + public bool Start(long needTime) { + object lockobject = new object(); + lock (lockobject) { + if (isAtReady) { + isAtReady = false; + requiredTime = needTime; + startTime = Environment.TickCount64; + finishedTime = 0; + return true; + } + else { + return false; + } + } + } + + public bool TrySet0() { + object lockobject = new object(); + lock (lockobject) { + if (!isAtReady) { + isAtReady = true; + finishedTime = 0; + return true; + } + else { + return false; + } + } + } + + public void Set0() { + object lockobject = new object(); + lock (lockobject) { + finishedTime = 0; + } + } + + public (long ElapsedTime, long NeedTime) GetProgress() { + object lockobject = new object(); + lock (lockobject) { + long nowTime = Environment.TickCount64; + finishedTime = nowTime - startTime; + return (finishedTime, requiredTime); + } + } + + //挑战：利用原子操作 + //long.MaxValue非常久 + } + +/*输出示例（仅供参考）： + * A Start: False +B Start: True +A TrySet0: True +B Start: True Now: 14536562 +A Start: False Now: 14536578 +B Progress: (516, 1000) Now: 14537078 +A Progress: (516, 1000) Now: 14537078 +A TrySet0: False +*/ } \ No newline at end of file diff --git a/hw1/store.txt b/hw1/store.txt new file mode 100644 index 0000000..93a8e25 --- /dev/null +++ b/hw1/store.txt @@ -0,0 +1,139 @@ +using System; +using System.Diagnostics; + +namespace Homework +{ + public class Program + { + public static void Main(string[] args) + { + ILongProgressByTime a = new LongProgressByTime(); + new Thread + ( + () => + { + Console.WriteLine("A Start: "+(a.Start(2000)).ToString()); + Thread.Sleep(1000); + Console.WriteLine("A TrySet0: "+(a.TrySet0()).ToString()); + Thread.Sleep(500); + Console.WriteLine("A Start: "+(a.Start(1000)).ToString() +" Now: "+Environment.TickCount64); + Thread.Sleep(500); + Console.WriteLine("A Progress: "+(a.GetProgress()).ToString() +" Now: "+Environment.TickCount64); + Thread.Sleep(1003); + Console.WriteLine("A TrySet0: "+(a.TrySet0()).ToString()); + } + ).Start(); + + new Thread + ( + () => + { + Console.WriteLine("B Start: "+(a.Start(2000)).ToString()); + Thread.Sleep(1500); + Console.WriteLine("B Start: " +(a.Start(1000)).ToString() + " Now: " + Environment.TickCount64); + Thread.Sleep(500); + Console.WriteLine("B Progress: " +(a.GetProgress()).ToString() + " Now: " + Environment.TickCount64); + } + ).Start(); + } + } + + public interface ILongProgressByTime + { + /// + /// 尝试加载下一次进度条，needTime指再次加载进度条所需时间，单位毫秒 + /// 如果之前进度条处于就绪态，则将进度开始下一次加载，返回true + /// 如果之前进度条不处于就绪态，返回false + /// + public bool Start(long needTime); + + /// + /// 使未完成的进度条清零并终止变为就绪态，返回值代表是否成功终止 + /// + public bool TrySet0(); + + /// + /// 使进度条强制清零并终止变为就绪态 + /// + public void Set0(); + + /// + /// ElapsedTime指其中已过去的时间，NeedTime指当前Progress完成所需时间，单位毫秒 + /// + public (long ElapsedTime, long NeedTime) GetProgress(); + } + + public class LongProgressByTime: ILongProgressByTime + { + // 根据时间推算Start后完成多少进度的进度条（long）。 + + // 只允许修改LongProgressByTime类中的代码 + // 要求实现ILongProgressByTime中的要求 + // 可利用Environment.TickCount64获取当前时间（单位ms） + + long startTime; + long requiredTime; + long finishedTime; + bool isAtReady = true; + + public bool Start(long needTime) { + object lockobject = new object(); + lock (lockobject) { + if (isAtReady) { + isAtReady = false; + requiredTime = needTime; + startTime = Environment.TickCount64; + finishedTime = 0; + return true; + } + else { + return false; + } + } + } + + public bool TrySet0() { + object lockobject = new object(); + lock (lockobject) { + if (!isAtReady) { + isAtReady = true; + finishedTime = 0; + return true; + } + else { + return false; + } + } + } + + public void Set0() { + object lockobject = new object(); + lock (lockobject) { + finishedTime = 0; + } + } + + public (long ElapsedTime, long NeedTime) GetProgress() { + object lockobject = new object(); + lock (lockobject) { + long nowTime = Environment.TickCount64; + finishedTime = nowTime - startTime; + return (finishedTime, requiredTime); + } + } + + //挑战：利用原子操作 + //long.MaxValue非常久 + } + +/*输出示例（仅供参考）： + * A Start: False +B Start: True +A TrySet0: True +B Start: True Now: 14536562 +A Start: False Now: 14536578 +B Progress: (516, 1000) Now: 14537078 +A Progress: (516, 1000) Now: 14537078 +A TrySet0: False +*/ +} \ No newline at end of file