本文整理汇总了C#中FileStream.BeginRead方法的典型用法代码示例。如果您正苦于以下问题：C# FileStream.BeginRead方法的具体用法？C# FileStream.BeginRead怎么用？C# FileStream.BeginRead使用的例子？那么, 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FileStream的用法示例。
在下文中一共展示了FileStream.BeginRead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 int Main()
{
byte [] buf = new byte [1];
AsyncCallback ac = new AsyncCallback (async_callback);
IAsyncResult ar;
int sum0 = 0;
FileStream s = new FileStream ("async_read.cs", FileMode.Open);
s.Position = 0;
sum0 = 0;
while (s.Read (buf, 0, 1) == 1)
sum0 += buf [0];
s.Position = 0;
do {
ar = s.BeginRead (buf, 0, 1, ac, buf);
} while (s.EndRead (ar) == 1);
sum -= buf [0];
Thread.Sleep (100);
s.Close ();
Console.WriteLine ("CSUM: " + sum + " " + sum0);
if (sum != sum0)
return 1;
return 0;
}示例2: Main
static int Main () {
byte [] buf = new byte [1];
AsyncCallback ac = new AsyncCallback (async_callback);
IAsyncResult ar;
int sum0 = 0;
int count0 = 0;
FileStream s = new FileStream ("async_read.exe", FileMode.Open, FileAccess.Read);
s.Position = 0;
while (s.Read (buf, 0, 1) == 1) {
sum0 += buf [0];
count0 ++;
}
s.Position = 0;
do {
buf = new byte [1];
ar = s.BeginRead (buf, 0, 1, ac, buf);
} while (s.EndRead (ar) == 1);
Thread.Sleep (100);
s.Close ();
count0 ++; // async_callback is invoked for the "finished reading" case too
Console.WriteLine ("CSUM: " + sum + " " + sum0);
Console.WriteLine ("Count: " + count + " " + count0);
if (sum != sum0 || count != count0)
return 1;
return 0;
}示例3: Load
public int Load(string filePath)
{
byte[] fileData;
using (FileStream stream = new FileStream (filePath, FileMode.OpenOrCreate)) {
fileData = new byte[stream.Length];
stream.BeginRead(fileData, 0, fileData.Length, new System.AsyncCallback(OnLoad), new FageFileState(++_countId, filePath, stream, fileData));
}
return _countId;
}示例4: runTest
//.........这里部分代码省略.........
bArrReturn = sr2.ReadBytes(bArr.Length);
iCountTestcases++;
if(bArrReturn.Length != bArr.Length)
{
iCountErrors++;
printerr( "Error_1900c! Incorrect number of chars read");
}
for(int i = 0 ; i < bArr.Length ; i++)
{
iCountTestcases++;
if(bArrReturn[i] != bArr[i])
{
iCountErrors++;
printerr( "Error_298vc_"+i+"! Expected=="+(Int32)bArr[i]+", got=="+(Int32)bArrReturn[i]);
}
}
}
catch (Exception exc)
{
iCountErrors++;
printerr( "Error_298yg! Unexpected exception thrown, exc=="+exc.ToString());
}
strLoc = "Loc_9848v";
try
{
fs2 = new FileStream(filName, FileMode.Create);
sw2 = new StreamWriter(fs2);
for(int i = 0 ; i < chArr.Length ; i++)
sw2.Write(chArr[i]);
sw2.Flush();
sw2.Close();
fs2 = new FileStream(filName, FileMode.Open);
bArr = new Byte[(Int32)fs2.Length];
fs2.EndRead(fs2.BeginRead(bArr, 0, (Int32)fs2.Length, null, null));
fs2.Position = 0;
sr2 = new BinaryReader(fs2);
bArrReturn = sr2.ReadBytes(bArr.Length);
iCountTestcases++;
if(bArrReturn.Length != bArr.Length)
{
iCountErrors++;
printerr( "Error_0901x! Incorrect number of chars read, length=="+bArr.Length);
}
for(int i = 0 ; i < bArr.Length ; i++)
{
iCountTestcases++;
if(bArrReturn[i] != bArr[i])
{
iCountErrors++;
printerr( "Error_98yv8!_"+i+"! Expected=="+(Int32)bArr[i]+", got=="+(Int32)bArrReturn[i]);
}
}
sr2.Close();
}
catch (Exception exc)
{
iCountErrors++;
printerr( "Error_698y7! Unexpected exception thrown, exc=="+exc.ToString());
}
Byte[] bytes = BitConverter.GetBytes('\u00FC');
for(int i = 0 ; i < bytes.Length ; i++)
Console.WriteLine(bytes[i]);
strLoc = "Loc_958hb";
fs2 = new FileStream(filName, FileMode.Create);
BinaryWriter bw2 = new BinaryWriter(fs2, Encoding.Unicode);
bw2.Write("\u00FA\u00FB\u00FC\u00FD\uFFFE");示例5: runTest
//.........这里部分代码省略.........
{
fs2.Read(new Byte[1], 0, 1);
iCountErrors++;
printerr( "Error_2000p! Expected exception not thrown");
}
catch (ObjectDisposedException iexc)
{
printinfo( "Info_2000q! Caught expected exception, iexc=="+iexc.Message);
}
catch (Exception exc)
{
iCountErrors++;
printerr( "Error_2000r! Incorrect exception thrown, exc=="+exc.ToString());
}
iCountTestcases++;
try
{
fs2.EndWrite(fs2.BeginWrite(new Byte[]{1}, 0, 1, null, null));
iCountErrors++;
printerr( "Error_2000s! Expected exception not thrown");
}
catch (ObjectDisposedException iexc)
{
printinfo( "Info_2000t! Caught expected exception, iexc=="+iexc.Message);
}
catch (Exception exc)
{
iCountErrors++;
printerr("Error_2000u! Incorrect exception thrown, exc=="+exc.ToString());
}
iCountTestcases++;
try
{
fs2.EndRead(fs2.BeginRead(new Byte[1], 0, 1, null, null));
iCountErrors++;
printerr("Error_2000v! Expected exception not thrown");
}
catch (ObjectDisposedException iexc)
{
printinfo( "Info_2000w! Caught expected exception, iexc=="+iexc.Message);
}
catch( Exception exc)
{
iCountErrors++;
printerr( "Error_2000x! Incorrect exception thrown, exc=="+exc.ToString());
}
iCountTestcases++;
try
{
fs2.Flush();
iCountErrors++;
printerr( "Error_2000y! Expected exception not thrwon");
}
catch (ObjectDisposedException iexc)
{
printinfo( "Info_2000z! Caught expected exception, iexc=="+iexc.Message);
}
catch (Exception exc)
{
iCountErrors++;
printerr( "Error_200aa! Incorrect exception thrown, exc=="+exc.ToString());
}
iCountTestcases++;
try
{
fs2.Lock(1,1);示例6: runTest
public bool runTest()
{
Console.WriteLine(s_strTFPath + "\\" + s_strTFName + " , for " + s_strClassMethod + " , Source ver " + s_strDtTmVer);
String strLoc = "Loc_000oo";
int iCountErrors = 0;
int iCountTestcases = 0;
try
{
String filName = s_strTFAbbrev+"TestFile";
Stream fs2;
IAsyncResult iar;
Int32 iReturn;
Byte[] bArr;
Byte[] bRead;
if(File.Exists(filName))
File.Delete(filName);
strLoc = "Loc_100aa";
iCountTestcases++;
try
{
fs2 = new FileStream(null, FileMode.Create, FileAccess.Read, FileShare.None, 100, false);
iCountErrors++;
printerr( "Error_100bb! Expected exception not thrown");
fs2.Close();
}
catch (ArgumentNullException aexc)
{
printinfo( "Info_100cc! Caught expected exception, aexc=="+aexc.Message);
}
catch (Exception exc)
{
iCountErrors++;
printerr( "Error_100dd Incorrect exception thrown, exc=="+exc.ToString());
}
strLoc = "Loc_300aa";
fs2 = new FileStream(filName, FileMode.Create, FileAccess.ReadWrite, FileShare.None, 100, false);
bArr = new Byte[1024*100];
for(int i = 0 ; i < bArr.Length ; i++)
bArr[i] = (Byte)i;
fs2.Write(bArr, 0, bArr.Length);
fs2.Close();
bRead = new Byte[bArr.Length];
fs2 = new FileStream(filName, FileMode.Open);
iar = fs2.BeginRead(bRead, 0, bRead.Length, null, null);
iReturn = fs2.EndRead(iar);
iCountTestcases++;
if(!iar.IsCompleted)
{
iCountErrors++;
printerr( " Error_300dd! Operation should be complete");
}
iCountTestcases++;
if(!iar.CompletedSynchronously)
{
iCountErrors++;
printerr( "Error_300cc! Unexpectedly completed ASync");
}
iCountTestcases++;
if(iReturn != bArr.Length)
{
iCountErrors++;
printerr( "Error_300bb! Expected=="+bArr.Length+", Return=="+iReturn);
}
for(int i = 0 ; i < bRead.Length ; i++)
{
iCountTestcases++;
if(bRead[i] != bArr[i])
{
printerr( "Error_300ff_"+i+"! Expected=="+bArr[i]+", got=="+bRead[i]);
iCountErrors++;
}
}
fs2.Close();
strLoc = "Loc_400aa";
fs2 = new FileStream(filName, FileMode.Create, FileAccess.ReadWrite, FileShare.None, 100, true);
bArr = new Byte[100*1024];
for(int i = 0 ; i < bArr.Length ; i++)
bArr[i] = (Byte)i;
fs2.Write(bArr, 0, bArr.Length);
fs2.Close();
bRead = new Byte[bArr.Length];
fs2 = new FileStream(filName, FileMode.Open);
iar = fs2.BeginRead(bRead, 0, bRead.Length, null, null);
iReturn = fs2.EndRead(iar);
iCountTestcases++;
if(!iar.IsCompleted)
{
iCountErrors++;
printerr( "Error_400bb! Operation should be complete");
}
iCountTestcases++;
if(!iar.CompletedSynchronously)
{
iCountErrors++;
printerr( "Error_400cc! Unexpectedly completed Synchronously");
}
iCountTestcases++;
if(iReturn != bArr.Length)
{
iCountErrors++;
//.........这里部分代码省略.........
示例7: runTest
public bool runTest()
{
Console.WriteLine(s_strTFPath + "\\" + s_strTFName + " , for " + s_strClassMethod + " , Source ver " + s_strDtTmVer);
String strLoc = "Loc_000oo";
String strValue = String.Empty;
try
{
FileStream fs2;
Byte[] bArr, bResultArr;
String fileName = s_strTFAbbrev+"TestFile.tmp";
AsyncCallback ascb;
IAsyncResult iar;
fs2 = new FileStream(fileName, FileMode.Create);
bArr = new Byte[26];
for(int i = 0 ; i < 26 ; i++)
bArr[i] = (Byte)((i%26)+65);
fs2.Flush();
fs2.Close();
strLoc = "Loc_7882h";
fs2 = new FileStream(fileName, FileMode.Open);
iCountTestcases++;
try
{
fs2.BeginRead(null, 0, 0, null, null);
iCountErrors++;
printerr( "Error_18983! Expected exception not thrown");
}
catch ( ArgumentNullException aexc)
{
printinfo( "Info_989su! Caught expected exception, aexc=="+aexc.Message);
}
catch (Exception exc)
{
iCountErrors++;
printerr( "Error_9t898! Incorrect exception thrown, exc=="+exc.ToString());
}
fs2.Close();
strLoc = "Loc_1298x";
for(int iLoop = 0 ; iLoop < iArrInvalidValues.Length ; iLoop++)
{
fs2 = new FileStream(fileName, FileMode.Open);
iCountTestcases++;
bArr = new Byte[]{0,1,2,3};
try
{
fs2.BeginRead(bArr, iArrInvalidValues[iLoop], 0, null, null);
iCountErrors++;
printerr("Error_298tk! Expected exception not thrown");
}
catch (ArgumentOutOfRangeException aexc)
{
printinfo ( "Info_9888b! Caught expected exception, aexc=="+aexc.Message);
}
catch (Exception exc)
{
iCountErrors++;
printerr( "Error_28g8b! Incorrect exception thrown, exc=="+exc.ToString());
}
fs2.Close();
}
strLoc = "Loc_77f8h";
for(int iLoop = 0 ; iLoop < iArrLargeValues.Length ; iLoop++)
{
fs2 = new FileStream(fileName, FileMode.Open);
iCountTestcases++;
bArr = new Byte[]{0,1,2,3};
try
{
fs2.BeginRead(bArr, iArrLargeValues[iLoop], 0, null, null);
iCountErrors++;
printerr( "Error_9t8g8! Expected exception not thrown");
}
catch (ArgumentException aexc)
{
printinfo( "Info_t87gy! Caught expected exception, aexc=="+aexc.Message);
}
catch (Exception exc)
{
iCountErrors++;
printerr( "Error_29y8g! Incorrect exception thrown, exc=="+exc.ToString());
}
fs2.Close();
}
strLoc = "Loc_89t8y";
for(int iLoop = 0 ; iLoop < iArrInvalidValues.Length ; iLoop++)
{
fs2 = new FileStream(fileName, FileMode.Open);
iCountTestcases++;
bArr = new Byte[]{0,1};
try
{
fs2.BeginRead(bArr, 0, iArrInvalidValues[iLoop], null, null);
iCountErrors++;
printerr( "Error_2868b! Expected exception not thrown");
}
catch (ArgumentOutOfRangeException aexc)
{
printinfo( "Info_3388g! Caught expected exception, aexc=="+aexc.Message);
}
catch (Exception exc)
//.........这里部分代码省略.........
示例8: BeginProcessRequest
public IAsyncResult BeginProcessRequest(HttpContext context, AsyncCallback cb, Object extraData)
{
bool bStartAsync = false;
try
{
_log.Info("Starting process request...");
_log.Info("fontname: " + m_sFontName);
string sNameToDecode;
if (m_sFontName.Length > gc_sJsExtention.Length && gc_sJsExtention == m_sFontName.Substring(m_sFontName.Length - gc_sJsExtention.Length))
sNameToDecode = m_sFontName.Substring(0, m_sFontName.Length - gc_sJsExtention.Length);
else
sNameToDecode = m_sFontName;
byte[] data_decode = Odtff_fonts.ZBase32Encoder.Decode(sNameToDecode);
string sFontNameDecoded = System.Text.Encoding.UTF8.GetString(data_decode);
_log.Info("fontnameDecoded: " + sFontNameDecoded);
context.Response.Clear();
context.Response.Cache.SetExpires(DateTime.Now.AddMinutes(double.Parse(ConfigurationManager.AppSettings["resource.expires"], Constants.mc_oCultureInfo)));
context.Response.Cache.SetSlidingExpiration(false);
context.Response.Cache.SetCacheability(HttpCacheability.Public);
context.Response.ContentType = Utils.GetMimeType(sFontNameDecoded);
string contentDisposition = Utils.GetContentDisposition(context.Request.UserAgent, context.Request.Browser.Browser, context.Request.Browser.Version, m_sFontName);
context.Response.AppendHeader("Content-Disposition", contentDisposition);
string sRealFontName = sFontNameDecoded;
if (gc_sJsExtention == Path.GetExtension(sRealFontName))
sRealFontName = sRealFontName.Substring(0, sRealFontName.Length - gc_sJsExtention.Length);
string strFilepath;
m_mapFontNameToFullPath.TryGetValue(sRealFontName.ToUpper(), out strFilepath);
FileInfo oFileInfo = new FileInfo(strFilepath);
if (oFileInfo.Exists)
{
DateTime oLastModified = oFileInfo.LastWriteTimeUtc;
string sETag = oLastModified.Ticks.ToString("x");
DateTime oDateTimeUtcNow = DateTime.UtcNow;
if (oLastModified.CompareTo(oDateTimeUtcNow) > 0)
{
_log.DebugFormat("LastModifiedTimeStamp changed from {0} to {1}", oLastModified, oDateTimeUtcNow);
oLastModified = oDateTimeUtcNow;
}
string sRequestIfModifiedSince = context.Request.Headers["If-Modified-Since"];
string sRequestETag = context.Request.Headers["If-None-Match"];
bool bNoModify = false;
if (false == string.IsNullOrEmpty(sRequestETag) || false == string.IsNullOrEmpty(sRequestIfModifiedSince))
{
bool bRequestETag = true;
if (false == string.IsNullOrEmpty(sRequestETag) && sRequestETag != sETag)
bRequestETag = false;
bool bRequestIfModifiedSince = true;
if (false == string.IsNullOrEmpty(sRequestIfModifiedSince))
{
try
{
DateTime oRequestIfModifiedSince = DateTime.ParseExact(sRequestIfModifiedSince, "R", System.Globalization.CultureInfo.InvariantCulture);
if ((oRequestIfModifiedSince - oLastModified).TotalSeconds > 1)
bRequestIfModifiedSince = false;
}
catch
{
bRequestIfModifiedSince = false;
}
}
if (bRequestETag && bRequestIfModifiedSince)
{
context.Response.StatusCode = (int)HttpStatusCode.NotModified;
bNoModify = true;
}
}
if (false == bNoModify)
{
context.Response.Cache.SetETag(sETag);
context.Response.Cache.SetLastModified(oLastModified.ToLocalTime());
FileStream oFileStreamInput = new FileStream(strFilepath, FileMode.Open, FileAccess.Read, FileShare.Read, (int)oFileInfo.Length, true);
byte[] aBuffer = new byte[oFileStreamInput.Length];
TransportClass oTransportClass = new TransportClass(context, cb, oFileStreamInput, aBuffer, sFontNameDecoded);
oFileStreamInput.BeginRead(aBuffer, 0, aBuffer.Length, ReadFileCallback, oTransportClass);
bStartAsync = true;
}
}
else
context.Response.StatusCode = (int)HttpStatusCode.BadRequest;
}
catch(Exception e)
{
context.Response.StatusCode = (int)HttpStatusCode.BadRequest;
_log.Error(context.Request.QueryString.ToString());
_log.Error("Exeption catched in BeginProcessRequest:", e);
}
TransportClass oTempTransportClass = new TransportClass(context, cb, null, null, null);
if (false == bStartAsync)
cb(new AsyncOperationData(oTempTransportClass));
//.........这里部分代码省略.........
示例9: runTest
public bool runTest()
{
Console.WriteLine(s_strTFPath + "\\" + s_strTFName + " , for " + s_strClassMethod + " , Source ver " + s_strDtTmVer);
String strLoc = "Loc_000oo";
String strValue = String.Empty;
int iCountErrors = 0;
int iCountTestcases = 0;
try
{
String filName = s_strTFAbbrev+"TestFile";
Stream fs2;
IAsyncResult iar;
Byte[] bArr;
if(File.Exists(filName))
File.Delete(filName);
strLoc = "Loc_100aa";
fs2 = new FileStream(filName, FileMode.Create);
iCountTestcases++;
try
{
fs2.EndWrite(null);
iCountErrors++;
printerr( "Error_100bb! Expected exception not thrown");
}
catch (ArgumentNullException aexc)
{
printinfo( "Info_100cc! Caught expected exception, aexc=="+aexc.Message);
}
catch (Exception exc)
{
iCountErrors++;
printerr( "Error_100dd Incorrect exception thrown, exc=="+exc.ToString());
}
fs2.Close();
strLoc = "Loc_200aa";
fs2 = new FileStream(filName, FileMode.Create);
iar = fs2.BeginRead(new Byte[0], 0, 0, null, null);
iCountTestcases++;
try
{
fs2.EndWrite(iar);
iCountErrors++;
printerr( "Error_200bb! Expected exception not thrown");
}
catch (ArgumentException aexc)
{
printinfo ("Info_200cc! Caught expected exception, aexc=="+aexc.Message);
}
catch (Exception exc)
{
iCountErrors++;
printerr( "Error_200dd! Incorrect exception thrown, exc=="+exc.ToString());
}
fs2.Close();
strLoc = "Loc_300aa";
fs2 = new FileStream(filName, FileMode.Create);
bArr = new Byte[1024*1000];
for(int i = 0 ; i < bArr.Length ; i++)
bArr[i] = (Byte)i;
iar = fs2.BeginWrite(bArr, 0, bArr.Length, null, null);
fs2.EndWrite(iar);
iCountTestcases++;
if(!iar.IsCompleted)
{
iCountErrors++;
printerr( " Error_300dd! Operation should be complete");
}
iCountTestcases++;
iCountTestcases++;
if(fs2.Length != bArr.Length)
{
iCountErrors++;
printerr( "Error_300bb! Expected=="+bArr.Length+", Return=="+fs2.Length);
}
fs2.Close();
strLoc = "Loc_400aa";
fs2 = new FileStream(filName, FileMode.Create, FileAccess.ReadWrite, FileShare.None, 100, true);
bArr = new Byte[1000*1024];
for(int i = 0 ; i < bArr.Length ; i++)
bArr[i] = (Byte)i;
iar = fs2.BeginWrite(bArr, 0, bArr.Length, null, null);
fs2.EndWrite(iar);
iCountTestcases++;
if(!iar.IsCompleted)
{
iCountErrors++;
printerr( "Error_400bb! Operation should be complete");
}
iCountTestcases++;
iCountTestcases++;
if(fs2.Length != bArr.Length)
{
iCountErrors++;
printerr( "Error_400dd! Expected=="+bArr.Length+", Return=="+fs2.Length);
}
fs2.Close();
if(File.Exists(filName))
File.Delete(filName);
}
catch (Exception exc_general )
//.........这里部分代码省略.........
示例10: BeginProcessRequest
public IAsyncResult BeginProcessRequest(HttpContext context, AsyncCallback cb, Object extraData)
{
bool bStartAsync = false;
try
{
_log.Info("Starting process request...");
_log.Info("fontname: " + m_sFontName);
context.Response.Clear();
context.Response.Cache.SetExpires(DateTime.Now);
context.Response.Cache.SetCacheability(HttpCacheability.Public);
context.Response.ContentType = Utils.GetMimeType(m_sFontName);
if (context.Request.ServerVariables.Get("HTTP_USER_AGENT").Contains("MSIE"))
context.Response.AppendHeader("Content-Disposition", "attachment; filename=\"" + context.Server.UrlEncode(m_sFontName) + "\"");
else
context.Response.AppendHeader("Content-Disposition", "attachment; filename=\"" + m_sFontName + "\"");
string sConfigFontDir = ConfigurationManager.AppSettings["utils.common.fontdir"];
string strFilepath;
if (null != sConfigFontDir && string.Empty != sConfigFontDir)
strFilepath = Path.Combine(Environment.ExpandEnvironmentVariables(sConfigFontDir), m_sFontName);
else
m_mapFontNameToFullPath.TryGetValue(m_sFontName.ToUpper(), out strFilepath);
if (".js" == Path.GetExtension(m_sFontName))
{
string[] aFontExts = {".ttf", ".ttc", ".otf"};
for(int i = 0; i < aFontExts.Length; i++)
{
strFilepath = Path.ChangeExtension(strFilepath, aFontExts[i]);
if (File.Exists(strFilepath))
break;
}
}
FileInfo oFileInfo = new FileInfo(strFilepath);
if (oFileInfo.Exists)
{
DateTime oLastModified = oFileInfo.LastWriteTimeUtc;
string sETag = oLastModified.Ticks.ToString("x");
DateTime oDateTimeUtcNow = DateTime.UtcNow;
if (oLastModified.CompareTo(oDateTimeUtcNow) > 0)
{
_log.DebugFormat("LastModifiedTimeStamp changed from {0} to {1}", oLastModified, oDateTimeUtcNow);
oLastModified = oDateTimeUtcNow;
}
string sRequestIfModifiedSince = context.Request.Headers["If-Modified-Since"];
string sRequestETag = context.Request.Headers["If-None-Match"];
bool bNoModify = false;
if (false == string.IsNullOrEmpty(sRequestETag) || false == string.IsNullOrEmpty(sRequestIfModifiedSince))
{
bool bRequestETag = true;
if (false == string.IsNullOrEmpty(sRequestETag) && sRequestETag != sETag)
bRequestETag = false;
bool bRequestIfModifiedSince = true;
if (false == string.IsNullOrEmpty(sRequestIfModifiedSince))
{
try
{
DateTime oRequestIfModifiedSince = DateTime.ParseExact(sRequestIfModifiedSince, "R", System.Globalization.CultureInfo.InvariantCulture);
if ((oRequestIfModifiedSince - oLastModified).TotalSeconds > 1)
bRequestIfModifiedSince = false;
}
catch
{
bRequestIfModifiedSince = false;
}
}
if (bRequestETag && bRequestIfModifiedSince)
{
context.Response.StatusCode = (int)HttpStatusCode.NotModified;
bNoModify = true;
}
}
if (false == bNoModify)
{
context.Response.Cache.SetETag(sETag);
context.Response.Cache.SetLastModified(oLastModified);
FileStream oFileStreamInput = new FileStream(strFilepath, FileMode.Open, FileAccess.Read, FileShare.Read, (int)oFileInfo.Length, true);
byte[] aBuffer = new byte[oFileStreamInput.Length];
TransportClass oTransportClass = new TransportClass(context, cb, oFileStreamInput, aBuffer);
oFileStreamInput.BeginRead(aBuffer, 0, aBuffer.Length, ReadFileCallback, oTransportClass);
bStartAsync = true;
}
}
else
context.Response.StatusCode = (int)HttpStatusCode.BadRequest;
}
catch(Exception e)
{
context.Response.StatusCode = (int)HttpStatusCode.BadRequest;
_log.Error(context.Request.Params.ToString());
_log.Error("Exeption catched in BeginProcessRequest:", e);
}
TransportClass oTempTransportClass = new TransportClass(context, cb, null, null);
if (false == bStartAsync)
cb(new AsyncOperationData(oTempTransportClass));
//.........这里部分代码省略.........