X-Git-Url: http://www.lcore.org/git/lcore.git/blobdiff_plain/3d939725e66414faa7684bbcd5f4ffe95ee2108d..be01aa2e4e4e54fd8bb3ea27ac3c6b7978553b6e:/lcore.pas

diff --git a/lcore.pas b/lcore.pas
index f6b0342..7db6b3e 100755
--- a/lcore.pas
+++ b/lcore.pas
@@ -35,7 +35,14 @@ interface
 
 
   const
-    receivebufsize=1460*8;
+    {how this number is made up:
+    - ethernet: MTU 1500
+    - be safe for either "ethernet v1" or "PPPoE", both take 8 bytes
+    - IPv6 header: 40 bytes (IPv4 is 20)
+    - TCP/UDP header: 20 bytes
+    }
+    packetbasesize = 1432;
+    receivebufsize=packetbasesize*8;
 
   var
     absoloutemaxs:integer=0;
@@ -121,7 +128,7 @@ interface
 
       //procedure messageloop;
       function Receive(Buf:Pointer;BufSize:integer):integer; virtual;
-      procedure flush;virtual;{$ifdef win32} abstract;{$endif}
+      procedure flush;virtual;
       procedure dodatasent(wparam,lparam:longint);
       procedure doreceiveloop(wparam,lparam:longint);
       procedure sinkdata(sender:tobject;error:word);
@@ -490,7 +497,7 @@ var
 begin
   if state <> wsconnected then exit;
 
-  lensent := sendq.get(data,2920);
+  lensent := sendq.get(data,packetbasesize*2);
   if assigned(data) then result := myfdwrite(fdhandleout,data^,lensent) else result := 0;
 
   if result = -1 then lensent := 0 else lensent := result;
@@ -566,7 +573,16 @@ begin
           internalclose(0);
 
         end else begin
-          internalclose({$ifdef win32}getlasterror{$else}linuxerror{$endif});
+          {$ifdef win32}
+          if getlasterror=WSAEWOULDBLOCK then begin
+            //the asynchronous nature of windows messages means we sometimes
+            //get here with the buffer full
+            //so do nothing in that case
+          end else
+          {$endif}
+          begin
+            internalclose({$ifdef win32}getlasterror{$else}linuxerror{$endif});
+          end  
         end;
       end;
 
@@ -617,19 +633,20 @@ begin
   end;
 end;
 
-{$ifndef win32}
-  procedure tlasio.flush;
-  var
-    fds : fdset;
-  begin
-    fd_zero(fds);
-    fd_set(fdhandleout,fds);
-    while sendq.size>0 do begin
-      select(fdhandleout+1,nil,@fds,nil,nil);
-      if sendflush <= 0 then exit;
-    end;
-  end;
+procedure tlasio.flush;
+{$ifdef win32}
+type fdset = tfdset;
 {$endif}
+var
+  fds : fdset;
+begin
+  fd_zero(fds);
+  fd_set(fdhandleout,fds);
+  while sendq.size>0 do begin
+    select(fdhandleout+1,nil,@fds,nil,nil);
+    if sendflush <= 0 then exit;
+  end;
+end;
 
 procedure tlasio.dodatasent(wparam,lparam:longint);
 begin