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RSS订阅修改后的socketsvr源码
修改后的socketsvr源码
function TCustomWinSocket.ReceiveBuf(var Buf; Count: Integer): Integer;
var
ErrorCode, iCount: Integer; {##Add}
begin
Lock;
try
Result := 0;
if (Count = -1) and FConnected then
ioctlsocket(FSocket, FIONREAD, Longint(Result))
else begin
if not FConnected then Exit;
if ioctlsocket(FSocket, FIONREAD, iCount) = 0 then {##ADD}
begin
if iCount < Count then {##ADD}
Count := icount; {##ADD}
end;
Result := recv(FSocket, Buf, Count, 0);
if Result = SOCKET_ERROR then
begin
ErrorCode := WSAGetLastError;
if ErrorCode <> WSAEWOULDBLOCK then
begin
Error(Self, eeReceive, ErrorCode);
Disconnect(FSocket);
if ErrorCode <> 0 then
raise ESocketError.CreateResFmt(@sWindowsSocketError,
[SysErrorMessage(ErrorCode), ErrorCode, 'recv']);
end;
end;
end;
finally
Unlock;
end;
end;
2010-03-17
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