本文整理汇总了C#中System.IO.FileStream.ReadByte方法的典型用法代码示例。如果您正苦于以下问题：C# System.IO.FileStream.ReadByte方法的具体用法？C# System.IO.FileStream.ReadByte怎么用？C# System.IO.FileStream.ReadByte使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类System.IO.FileStream的用法示例。
在下文中一共展示了System.IO.FileStream.ReadByte方法的10个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: Main
static void Main()
{
string fn = "test";
using ( System.IO.FileStream fs = new System.IO.FileStream(fn, System.IO.FileMode.Open, System.IO.FileAccess.Read) )
// using ( System.IO.BinaryReader br = new System.IO.BinaryReader(fs))
{
Say("Filesize:{0} bytes\nPos:{1}\n", fs.Length, fs.Position);
byte [] bt = new byte[100];
//while(true)
if( bt[0] != fs.ReadByte() )
break; //Say("EOF");
else
Say("{0}\n", bt[0]);
//if ( bt[0] != fs.ReadByte() )
//if (b != fs.ReadByte())
//Say("{0}\n", bt);
//SayFile(bw, "{0} - {1}\n", "Привет", "файл");
}
}示例2: BackupReader
public BackupReader(string path)
{
System.IO.FileStream fs = new System.IO.FileStream(path, System.IO.FileMode.Open, System.IO.FileAccess.Read);
fs.ReadByte();
inputStream = fs;
inputStream.Seek(0, System.IO.SeekOrigin.Begin);
}示例3: GetIndex
/// <summary>
/// This will return a copy of the index, but also preserve
/// a master copy in this object that is read-only.
/// </summary>
/// <param name="filename">The filename of the dbf file to index</param>
/// <returns>returns a List of long offsets. The index in the list is the row value.</returns>
public List<long> GetIndex(string filename)
{
List<long> OffsetsCopy = new List<long>();
_offsets = new List<long>();
if (filename == null)
{
throw new ArgumentNullException(filename);
}
// check for the file existing here, otherwise we will not get an error
//until we read the first record or read the header.
if (!System.IO.File.Exists(filename))
{
throw new System.IO.FileNotFoundException(String.Format("Could not find file \"{0}\"", filename));
}
_filename = filename;
_header = new dBaseHeader();
// read the header
System.IO.FileStream stream = new System.IO.FileStream(filename, System.IO.FileMode.Open, System.IO.FileAccess.Read);
System.IO.BinaryReader binaryreader = new System.IO.BinaryReader(stream);
_header.ReadHeader(binaryreader);
int iCurrentRecord = 0;
long CurrentOffset = _header.HeaderLength;
byte DeleteChar = Convert.ToByte('*');
int RowLength = _header.RecordLength;
while (iCurrentRecord < _header.NumRecords)
{
int Val = stream.ReadByte();
if (stream.ReadByte() != DeleteChar)
{
_offsets.Add(CurrentOffset);
OffsetsCopy.Add(CurrentOffset);
iCurrentRecord++;
}
stream.Seek(RowLength - 1, System.IO.SeekOrigin.Current);
CurrentOffset += RowLength;
}
binaryreader.Close();
stream.Close();
binaryreader.Close();
return OffsetsCopy;
}示例4: RunScanner
public static void RunScanner()
{
string thishost = System.Net.Dns.GetHostName();
Random rnd = new Random(unchecked(DateTime.Now.Millisecond
+ System.Diagnostics.Process.GetCurrentProcess().Id
+ 7179259));
// Random sleep to hit surrogate\dfs.xml at different times.
System.Threading.Thread.Sleep(rnd.Next(5000, 30000));
MySpace.DataMining.AELight.dfs dc;
try
{
dc = MySpace.DataMining.AELight.dfs.ReadDfsConfig_unlocked(
MySpace.DataMining.AELight.Surrogate.NetworkPathForHost(MySpace.DataMining.AELight.Surrogate.MasterHost)
+ @"\" + MySpace.DataMining.AELight.dfs.DFSXMLNAME);
}
catch (System.IO.FileNotFoundException e)
{
if (!dfsnotfound)
{
dfsnotfound = true;
// Just throw it once.
throw new System.IO.FileNotFoundException("FileDaemon scanner thread aborting"
+ "; " + MySpace.DataMining.AELight.dfs.DFSXMLNAME + " not found", e);
}
dc = null;
_ThreadDisabled();
return;
}
if (null == dc.FileDaemon || !dc.FileDaemon.Enabled)
{
dc = null;
_ThreadDisabled();
return;
}
#if optional
try
{
System.IO.FileInfo fslog = new System.IO.FileInfo("filescan.log");
if (!fslog.Exists || fslog.Length < 0x400 * 0x400)
{
System.IO.File.AppendAllText("filescan.log",
"[" + DateTime.Now + "] " + thishost + " <enabled>"
+ Environment.NewLine);
}
}
catch
{
}
#endif
for (; ; System.Threading.Thread.Sleep(1000 * 60 * 1))
{
string[] chunks = System.IO.Directory.GetFiles(".", "zd.*.zd");
for (int ic = 0; ic < chunks.Length; ic++)
{
int ri = rnd.Next(0, chunks.Length);
string s = chunks[ic];
chunks[ic] = chunks[ri];
chunks[ri] = s;
}
#if optional
try
{
System.IO.FileInfo fslog = new System.IO.FileInfo("filescan.log");
if (!fslog.Exists || fslog.Length < 0x400 * 0x400)
{
System.IO.File.AppendAllText("filescan.log",
"[" + DateTime.Now + "] " + thishost + " <start> scanning " + chunks.Length + " chunks"
+ Environment.NewLine);
}
}
catch
{
}
#endif
for (int ic = 0; ic < chunks.Length; ic++)
{
_ScanChunkSleep(dc.FileDaemon.ScanChunkSleep);
string chunk = chunks[ic];
int pos = -1;
try
{
using (System.IO.FileStream fs = new System.IO.FileStream(chunk,
System.IO.FileMode.Open, System.IO.FileAccess.Read,
System.IO.FileShare.ReadWrite | System.IO.FileShare.Delete))
{
pos++;
for (; ; )
{
int ib = fs.ReadByte();
if (-1 == ib)
{
break;
//.........这里部分代码省略.........
示例5: ViewLog
private static void ViewLog(string[] args)
{
int maxentries = 1000;
string[] hosts = Utils.GetQizmtHosts();
if (hosts.Length == 0)
{
Console.Error.WriteLine("No Qizmt host is found.");
return;
}
List<string> logpaths = new List<string>();
{
string execpath = CurrentDir.Replace(':', '$');
foreach (string host in hosts)
{
logpaths.Add(@"\\" + host + @"\" + execpath + @"\errors.txt");
}
}
const int MAXBYTE = 1024 * 1024 * 64;
int maxbytepart = MAXBYTE / logpaths.Count;
int maxentriespart = maxentries / logpaths.Count;
if (maxentries % logpaths.Count != 0)
{
maxentriespart++;
}
List<string[]> allentries = new List<string[]>(logpaths.Count);
RDBMS_Admin.ThreadTools<string>.Parallel(
new Action<string>(
delegate(string logpath)
{
if (!System.IO.File.Exists(logpath))
{
return;
}
string token = Environment.NewLine + Environment.NewLine + "[";
System.IO.FileStream fs = null;
try
{
fs = new System.IO.FileStream(logpath, System.IO.FileMode.Open, System.IO.FileAccess.Read, System.IO.FileShare.ReadWrite);
if (fs.Length > maxbytepart * 2)
{
fs.Position = fs.Length - maxbytepart;
}
int ib = 0;
List<long> idx = new List<long>();
long entryStart = 0;
while ((ib = fs.ReadByte()) > -1)
{
if (ib == (int)token[0])
{
bool istoken = true;
for (int i = 1; i < token.Length; i++)
{
if (fs.ReadByte() != (int)token[i])
{
istoken = false;
break;
}
}
if (istoken)
{
idx.Add(entryStart);
entryStart = fs.Position - 1;
}
}
}
//get the last entryStart.
if (idx.Count > 0)
{
if (entryStart != idx[idx.Count - 1])
{
idx.Add(entryStart);
}
}
else
{
//1 entry only.
if (fs.Length > 0)
{
idx.Add(entryStart);
}
}
if (idx.Count == 0)
{
return;
}
long flen = fs.Length;
int startidx = idx.Count > maxentriespart ? idx.Count - maxentriespart : 0;
long offset = idx[startidx];
long buflen = flen - offset;
//.........这里部分代码省略.........
示例6: LoadZone
/// <summary>
/// Reads from ScenDat -> go to a zone and load the floors and walls onto cOuter
/// </summary>
/// <param name="num"></param>
public void LoadZone(int num)
{
System.IO.FileStream fsScenData = new System.IO.FileStream(@"a:\agf5ScenData.dat",System.IO.FileMode.Open);
fsScenData.Seek(2592,System.IO.SeekOrigin.Begin); // Pacification Fields
int iFloorByte;
int iCell=0;
double dStartX=2500, dStartY=0; // where the West edge starts drawing on the canvas
double i = dStartX;
double j = dStartY;
while(iCell<4096)
{
iFloorByte = (short)fsScenData.ReadByte();
//usByte2 = System.Net.IPAddress.NetworkToHostOrder(usByte2);
//get which floor this int represents
//create image with source defined floor and place on screen
Image imgCell = new Image();
//if(usByte2<50)
CroppedBitmap cbReturnedBitmap = GetFloor(iFloorByte);
if (cbReturnedBitmap == null)
{
imgCell.Visibility = Visibility.Collapsed;
i -= 41;
j += 28;
iCell++;
continue;
}
imgCell.Tag = (string)iCell.ToString() +" ; "+ i +" ; "+ j;
imgCell.MouseDown+=iCell2_MouseDown;
imgCell.Source = cbReturnedBitmap;
imgCell.Width = 82;
imgCell.Height = 56;
MakeTransparent(ref imgCell);
imgCell.SetValue(Canvas.LeftProperty, i);
imgCell.SetValue(Canvas.TopProperty, j);
cOuter.Children.Add(imgCell);
i -= 41;
j += 28;
iCell++;
if(iCell%64==0) // if is the beginning of a new column
{
int iWhichCol = iCell / 64;
i = dStartX + 41 * iWhichCol;
j = dStartY + 28 * iWhichCol;
}
}
//usByte2 = brScenData.ReadUInt16();
//usByte2 = brScenData.ReadUInt16();
//MessageBox.Show(usByte2.ToString());
//brScenData.Dispose();
fsScenData.Dispose();
}示例7: ReadThreadProc
public void ReadThreadProc()
{
System.IO.FileStream fs = null;
Evt.WaitOne();
try
{
fs = new System.IO.FileStream(FilePath, System.IO.FileMode.Open, System.IO.FileAccess.Read, System.IO.FileShare.Read);
int ib = 0;
while ((ib = fs.ReadByte()) > -1)
{
}
Console.WriteLine(ID);
}
catch (Exception e)
{
ErrMsg.Add(e.Message);
}
finally
{
if (fs != null)
{
fs.Close();
fs = null;
}
}
}示例8: HeartbeatThreadProc
void HeartbeatThreadProc()
{
int triesremain = heartbeatretries;
while (!badlocalhost && !stop)
{
try
{
using (System.IO.FileStream fs = new System.IO.FileStream(heartbeattempfile, System.IO.FileMode.Create, System.IO.FileAccess.ReadWrite, System.IO.FileShare.None))
{
fs.WriteByte((byte)'T');
fs.Seek(0, System.IO.SeekOrigin.Begin);
if ((int)'T' != fs.ReadByte())
{
throw new System.IO.IOException("Heartbeat thread data written was not read back correctly.");
}
fs.Close();
}
System.IO.File.Delete(heartbeattempfile);
triesremain = heartbeatretries; //reset
lock (clientstm)
{
clientstm.WriteByte((byte)'h');
}
#if FAILOVER_DEBUG
System.IO.File.AppendAllText(@"c:\temp\vitalsreporter_A5B1E053-9A32-417b-8068-91A7CD5CDEAB.txt", DateTime.Now.ToString() + " heartbeat sent" + Environment.NewLine);
#endif
System.Threading.Thread.Sleep(heartbeattimeout);
}
catch(Exception e)
{
#if FAILOVER_DEBUG
System.IO.File.AppendAllText(@"c:\temp\vitalsreporter_A5B1E053-9A32-417b-8068-91A7CD5CDEAB.txt", DateTime.Now.ToString() +
" heartbeat thread error: " + e.ToString() + Environment.NewLine);
#endif
if (--triesremain <= 0)
{
#if FAILOVER_DEBUG
System.IO.File.AppendAllText(@"c:\temp\vitalsreporter_A5B1E053-9A32-417b-8068-91A7CD5CDEAB.txt", DateTime.Now.ToString() +
" heartbeat thread error; tries=" + triesremain.ToString()
+ " ;caused to break out: " + e.ToString() + Environment.NewLine);
#endif
break;
}
}
}
}示例9: CreateFromDirectory
public void CreateFromDirectory( string Dir, string Outfile, string[] FileOrder )
{
List<string> Filepaths = new List<string>();
foreach ( string f in FileOrder ) {
Filepaths.Add( System.IO.Path.Combine( Dir, f ) );
}
var Filestream = new System.IO.FileStream( Outfile, System.IO.FileMode.Create );
uint RequiredBytesForHeader;
uint Filecount = (uint)Filepaths.Count;
uint TotalFilesize;
Xorbyte = 0x55;
//Xorbyte = 0x00;
// 0x20 Header + 0x28 per file
RequiredBytesForHeader = Util.Align( Filecount * 0x28u + 0x20u, 0x20u );
TotalFilesize = RequiredBytesForHeader;
foreach ( string Path in Filepaths ) {
TotalFilesize += (uint)( new System.IO.FileInfo( Path ).Length );
TotalFilesize = TotalFilesize.Align( 0x20u );
}
// header
Filestream.WriteByte( (byte)'R' ); Filestream.WriteByte( (byte)'T' );
Filestream.WriteByte( (byte)'D' ); Filestream.WriteByte( (byte)'P' );
Filestream.Write( BitConverter.GetBytes( RequiredBytesForHeader ), 0, 4 );
Filestream.Write( BitConverter.GetBytes( Filecount ), 0, 4 );
Filestream.Write( BitConverter.GetBytes( TotalFilesize ), 0, 4 );
Filestream.WriteByte( Xorbyte );
Filestream.WriteByte( 0x28 ); Filestream.WriteByte( 0x25 );
while ( Filestream.Length < 0x20 ) { Filestream.WriteByte( 0x00 ); }
// header file info
uint ptr = 0;
foreach ( string Path in Filepaths ) {
var fi = new System.IO.FileInfo( Path );
uint size = (uint)( fi.Length );
byte[] name = Encoding.ASCII.GetBytes( fi.Name );
Filestream.Write( name, 0, Math.Min( 0x20, name.Length ) );
for ( int i = name.Length; i < 0x20; ++i ) { Filestream.WriteByte( 0x00 ); }
Filestream.Write( BitConverter.GetBytes( size ), 0, 4 );
Filestream.Write( BitConverter.GetBytes( ptr ), 0, 4 );
ptr = Util.Align( ptr + size, 0x20u );
}
while ( Filestream.Length < RequiredBytesForHeader ) { Filestream.WriteByte( 0x00 ); }
// files
foreach ( string Path in Filepaths ) {
var File = new System.IO.FileStream( Path, System.IO.FileMode.Open );
while ( true ) {
int b = File.ReadByte();
if ( b == -1 ) { break; }
Filestream.WriteByte( (byte)( b ^ Xorbyte ) );
}
File.Close();
while ( Filestream.Length % 0x20 != 0 ) { Filestream.WriteByte( 0x00 ); }
}
Filestream.Close();
}示例10: AELightRun
//.........这里部分代码省略.........
xproc.Close();
}
catch (Exception exf)
{
if (qverbose)
{
lock (slaves)
{
Console.Write("(Unable to suspend AELight threads: {0})", exf.Message);
ConsoleFlush();
}
}
}
}
}
System.Threading.Thread.Sleep(1000); // Allow slaves to initialize.
{
//foreach (string slave in slaves)
MySpace.DataMining.Threading.ThreadTools<string>.Parallel(
new Action<string>(
delegate(string slave)
{
string netpath = Surrogate.NetworkPathForHost(slave);
foreach (System.IO.FileInfo fi in (new System.IO.DirectoryInfo(netpath))
.GetFiles("*.j" + killsjid + ".slave.pid"))
{
string spidStopRemote = fi.Name.Substring(0, fi.Name.IndexOf('.'));
try
{
System.Net.Sockets.NetworkStream nstm = Surrogate.ConnectService(slave);
nstm.WriteByte((byte)'k');
XContent.SendXContent(nstm, spidStopRemote);
if ('+' != nstm.ReadByte())
{
throw new Exception("Remote machine did not report a success during kill operation");
}
nstm.Close();
fi.Delete();
}
catch (Exception e)
{
LogOutputToFile("Unable to kill Slave PID " + netpath + "\\" + spidStopRemote + " belonging to JID " + killsjid + ": " + e.ToString());
}
}
}), slaves, numthreads);
}
System.Threading.Thread.Sleep(1000); // Allow slaves to finalize.
string killjzm = "zmap_*_*.j" + killsjid + ".zm";
string killjzb = "zblock_*.j" + killsjid + ".zb";
string killjoblog = "*_????????-????-????-????-????????????.j" + killsjid + "_log.txt";
string killzf = "zfoil_*.j" + killsjid + ".zf";
string killslaveconfig = "slaveconfig.j" + killsjid + ".xml";
//foreach (string slave in slaves)
MySpace.DataMining.Threading.ThreadTools<string>.Parallel(
new Action<string>(
delegate(string slave)
{
string netpath = Surrogate.NetworkPathForHost(slave);
{
// Delete leaked chunks only! Have to check with DFS.xml
Dictionary<string, bool> dcnodes = new Dictionary<string, bool>(StringComparer.OrdinalIgnoreCase);
foreach (dfs.DfsFile df in dc.Files)
{
for (int ifn = 0; ifn < df.Nodes.Count; ifn++)