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GC bug fix

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This commit is contained in:
Ahmed Zamil
2019-11-20 13:19:31 +03:00
parent 76bcd821b5
commit 7de6354857
22 changed files with 442 additions and 236 deletions
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158
Esiur/Net/HTTP/HTTPConnection.cs
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@ -39,59 +39,25 @@ using System.Security.Cryptography;
namespace Esiur.Net.HTTP
{
//[Serializable]
public class HTTPConnection : NetworkConnection
{
/*
public enum SendOptions : int
{
AllCalculateLength,
AllDontCalculateLength,
SpecifiedHeadersOnly,
DataOnly
}
*/
public HTTPConnection()
{
Response = new HTTPResponsePacket();
variables = new KeyList<string, object>();
}
public void SetParent(HTTPServer Parent)
{
Server = Parent;
}
//public bool HeadersSent;
private KeyList<string, object> variables;
private bool Busy = false;
private DateTime RequestTime = DateTime.MinValue;
public bool WSMode;
public bool WSMode { get; internal set; }
private HTTPServer Server;
public WebsocketPacket WSRequest;
public HTTPRequestPacket Request;
public HTTPResponsePacket Response;
public WebsocketPacket WSRequest { get; set; }
public HTTPRequestPacket Request { get; set; }
public HTTPResponsePacket Response { get; } = new HTTPResponsePacket();
HTTPSession session;
public KeyList<string, object> Variables
{
get
{
return variables;
}
}
public KeyList<string, object> Variables { get; } = new KeyList<string, object>();
public bool IsBusy()
{
return Busy;
}
internal long Parse(byte[] data)
{
@ -115,7 +81,7 @@ namespace Esiur.Net.HTTP
}
else
{
HTTPRequestPacket rp = new HTTPRequestPacket();
var rp = new HTTPRequestPacket();
var pSize = rp.Parse(data, 0, (uint)data.Length);
if (pSize > 0)
{
@ -130,31 +96,6 @@ namespace Esiur.Net.HTTP
}
/*
public override void Send(string Response)
{
Send(Response, SendOptions.AllCalculateLength);
}
public void Send(string Message, SendOptions Options)
{
if (Response.Handled)
return;
if (Response != null)
Send(Encoding.Default.GetBytes(Response), Options);
else
Send((byte[])null, Options);
}
public void Send(MemoryStream ms)
{
Send(ms.ToArray(), SendOptions.AllCalculateLength);
}
*/
public void Flush()
{
// close the connection
@ -171,21 +112,18 @@ namespace Esiur.Net.HTTP
// Compute the SHA1 hash
SHA1 sha = SHA1.Create();
byte[] sha1Hash = sha.ComputeHash(Encoding.UTF8.GetBytes(ret));
Response.Headers["Upgrade"] = Request.Headers["Upgrade"];
Response.Headers["Upgrade"] = Request.Headers["Upgrade"];
Response.Headers["Connection"] = Request.Headers["Connection"];// "Upgrade";
Response.Headers["Sec-WebSocket-Accept"] = Convert.ToBase64String(sha1Hash);
if (Request.Headers.ContainsKey("Sec-WebSocket-Protocol"))
Response.Headers["Sec-WebSocket-Protocol"] = Request.Headers["Sec-WebSocket-Protocol"];
//Response.Headers["Sec-WebSocket-Protocol"] = Request.Headers["Sec-WebSocket-Protocol"];
//Response.Headers["Origin"] = Request.Headers["Origin"];
Response.Number = HTTPResponsePacket.ResponseCode.HTTP_SWITCHING;
Response.Text = "Switching Protocols";
WSMode = true;
//Send((byte[])null, SendOptions.AllDontCalculateLength);
Send();
return true;
@ -208,6 +146,12 @@ namespace Esiur.Net.HTTP
Send();
}
public override void Send(byte[] msg, int offset, int length)
{
Response.Message = DC.Clip(msg, (uint)offset, (uint)length);
Send();
}
public override void Send(byte[] message)
{
Response.Message = message;
@ -219,7 +163,6 @@ namespace Esiur.Net.HTTP
if (Response.Handled)
return;
Busy = true;
try
{
@ -235,17 +178,17 @@ namespace Esiur.Net.HTTP
{
try
{
Close();// Server.CloseClient(Connection);
Close();
}
finally { }
}
finally
{
Busy = false;
}
}
public void CreateNewSession()
{
if (session == null)
@ -272,7 +215,7 @@ namespace Esiur.Net.HTTP
&& Request.Headers.ContainsKey("Sec-WebSocket-Version")
&& Request.Headers["Sec-WebSocket-Version"] == "13"
&& Request.Headers.ContainsKey("Sec-WebSocket-Key"))
//&& Request.Headers.ContainsKey("Sec-WebSocket-Protocol"))
//&& Request.Headers.ContainsKey("Sec-WebSocket-Protocol"))
{
return true;
}
@ -282,11 +225,14 @@ namespace Esiur.Net.HTTP
}
}
bool bb;
public void SendFile(string filename)
{
if (Response.Handled == true)
return;
try
{
@ -302,22 +248,22 @@ namespace Esiur.Net.HTTP
if (!File.Exists(filename))
{
Response.Number = HTTPResponsePacket.ResponseCode.HTTP_NOTFOUND;
Send("File Not Found");//, SendOptions.AllCalculateLength);
Send("File Not Found");
return;
}
Busy = true;
System.DateTime FWD = File.GetLastWriteTime(filename);
if (Request.Headers.ContainsKey("if-modified-since"))// != DateTime.Parse("12:00:00 AM"))
var fileEditTime = File.GetLastWriteTime(filename).ToUniversalTime();
if (Request.Headers.ContainsKey("if-modified-since"))
{
try
{
DateTime IMS = DateTime.Parse(Request.Headers["if-modified-since"]);
if (FWD <= IMS)
var ims = DateTime.Parse(Request.Headers["if-modified-since"]);
if (Math.Abs((fileEditTime - ims).TotalSeconds) < 0)
{
Response.Number = HTTPResponsePacket.ResponseCode.HTTP_NOTMODIFIED;
Response.Text = "Not Modified";
Send((byte[])null);
}
}
catch
@ -327,38 +273,42 @@ namespace Esiur.Net.HTTP
}
if (Response.Number == HTTPResponsePacket.ResponseCode.HTTP_NOTMODIFIED)
Response.Number = HTTPResponsePacket.ResponseCode.HTTP_OK;
// Fri, 30 Oct 2007 14:19:41 GMT
Response.Headers["Last-Modified"] = fileEditTime.ToString("ddd, dd MMM yyyy HH:mm:ss");
FileInfo fi = new FileInfo(filename);
Response.Headers["Content-Length"] = fi.Length.ToString();
Send(HTTPResponsePacket.ComposeOptions.SpecifiedHeadersOnly);
//var fd = File.ReadAllBytes(filename);
//base.Send(fd);
using (var fs = new FileStream(filename, FileMode.Open))
{
Send((byte[])null);
}
else
{
// Fri, 30 Oct 2007 14:19:41 GMT
Response.Headers["Last-Modified"] = FWD.ToUniversalTime().ToString("ddd, dd MMM yyyy HH:mm:ss");
FileInfo fi = new FileInfo(filename);
Response.Headers["Content-Length"] = fi.Length.ToString();
Send(HTTPResponsePacket.ComposeOptions.SpecifiedHeadersOnly);
using (var fs = new FileStream(filename, FileMode.Open))
var buffer = new byte[5000];
while (true)
{
var buffer = new byte[5000];
var offset = 0;
while (offset < fs.Length)
{
var n = fs.Read(buffer, offset, buffer.Length);
offset += n;
base.Send(buffer);
}
var n = fs.Read(buffer, 0, 5000);
if (n <= 0)
break;
base.Send(buffer, 0, n);
}
}
Busy = false;
return;
}
catch
{
Busy = false;
try
{
Close();