From 7c943f4f733dee1f00f00853a5132f48fecaac4c Mon Sep 17 00:00:00 2001
From: shinichi <shinichi@hotmail.nl>
Date: Wed, 7 Oct 2020 11:54:47 +0200
Subject: [PATCH] fix

---
 Server/Client.cs   |  2 +-
 Server/SaveData.cs | 28 ++++++++++++++++++++--------
 2 files changed, 21 insertions(+), 9 deletions(-)

diff --git a/Server/Client.cs b/Server/Client.cs
index 34cae9f..ccf39fd 100644
--- a/Server/Client.cs
+++ b/Server/Client.cs
@@ -154,7 +154,7 @@ namespace Server
                     temp++;
                     if (temp > 50)
                     {
-                        Console.WriteLine(BitConverter.ToString(this.saveData?.getBPMgraphData(100, 1)));
+                        Console.WriteLine(BitConverter.ToString(this.saveData?.getBPMgraphData(10, 2)));
                         temp = 0;
                     }
                 }
diff --git a/Server/SaveData.cs b/Server/SaveData.cs
index d8e1401..2e78392 100644
--- a/Server/SaveData.cs
+++ b/Server/SaveData.cs
@@ -63,12 +63,20 @@ namespace Server
             {
                 // do nothing
             }
-            using (BinaryWriter sw = new BinaryWriter(File.Open(fileLocation, FileMode.Create)))
+            using (var fileStream = new FileStream(fileLocation, FileMode.Append, FileAccess.Write, FileShare.None))
+            using (var bw = new BinaryWriter(fileStream))
             {
-                sw.Seek(length, SeekOrigin.End);
-                sw.Write(data);
-                sw.Flush();
+                //sw.BaseStream.Seek(length, SeekOrigin.Begin);
+                bw.Write(data);
+                bw.Flush();
+                //Console.WriteLine("wrote at " + bw.BaseStream.Position);
             }
+            //using (BinaryReader binaryReader = new BinaryReader(File.Open(fileLocation, FileMode.Open)))
+            //{
+            //    byte[] totalArray = new byte[binaryReader.BaseStream.Length];
+            //    binaryReader.BaseStream.Read(totalArray, 0, (int)binaryReader.BaseStream.Length);
+            //    Console.WriteLine("all data is " + BitConverter.ToString(totalArray));
+            //}
         }
 
         /// <summary>
@@ -86,7 +94,7 @@ namespace Server
             {
                 FileInfo fi = new FileInfo(this.path + rawBPMFilename);
                 int length = (int)fi.Length;
-                Console.WriteLine("length " + length);
+                //Console.WriteLine("length " + length);
 
                 byte[] output = new byte[outputSize];
 
@@ -94,16 +102,20 @@ namespace Server
                 int readSize = messageSize * averageOver;
                 byte[] readBuffer = new byte[readSize];
 
-                using (FileStream fileStream = new FileStream(this.path + rawBPMFilename, FileMode.Open, FileAccess.Read))
+                using (BinaryReader binaryReader = new BinaryReader(File.Open(this.path + rawBPMFilename, FileMode.Open)))
                 {
+                    //byte[] totalArray = new byte[binaryReader.BaseStream.Length];
+                    //binaryReader.BaseStream.Read(totalArray, 0, (int)binaryReader.BaseStream.Length);
+                    //Console.WriteLine("all data is " + BitConverter.ToString(totalArray));
                     for (int i = 1; i <= outputSize; i++)
                     {
                         if (length - (i * readSize) < 0)
                         {
                             break;
                         }
-                        Console.WriteLine("reading " + (length - (i * readSize) - 1) + " and size " + readSize);
-                        fileStream.Read(readBuffer, length - (i * readSize) - 1, readSize);
+                        binaryReader.BaseStream.Seek(length - (i * readSize), SeekOrigin.Begin);
+                        binaryReader.BaseStream.Read(readBuffer, 0, readSize);
+                        //Console.WriteLine("read " + binaryReader.BaseStream.Position + " and size " + readSize + " with value " + BitConverter.ToString(readBuffer));
 
                         //handling data
                         int total = 0;