kioslave win32 port start

[Ralf Habacker]

Ralf Habacker schrieb:
> Manuel Klimek schrieb:
>   
>>> -> getaddrinfo does not work (correct?) on w2k ... wxpsp2 is needed.
>>>
>>> cmake finds getaddrinfo() but we should not use it.
>>>     
>>>       
>> according to msdn you have to add some includes to make this work:
>>
>> http://msdn.microsoft.com/library/default.asp?url=/library/en-us/winsock/winsock/getaddrinfo_2.asp
>>
>> Support for getaddrinfo on older versions of Windows
>>
>> The getaddrinfo function was added to the Ws2_32.dll on Windows XP and
>> later. If you want to execute an application using this function on
>> earlier versions of Windows (Windows 2000, Windows NT, and Windows
>> Me/98/95), then you need to include the Ws2tcpip.h file and also include
>> the Wspiapi.h file. When the Wspiapi.h include file is added, the
>> getaddrinfo function is defined to the WspiapiGetAddrInfo inline
>> function in the Wspiapi.h file. At runtime, the WspiapiGetAddrInfo
>> function is implemented in such a way that if the Ws2_32.dll or the
>> Wship6.dll (the file containing getaddrinfo in the IPv6 Technology
>> Preview for Windows 2000) does not include getaddrinfo, then a version
>> of getaddrinfo is implemented inline based on code in the Wspiapi.h
>> header file. This inline code will be used on older Windows platforms
>> that do not natively support the getaddrinfo function.
>>
>> The IPv6 protocol is supported on Windows 2000 when the IPv6 Technology
>> Preview for Windows 2000 is installed. Otherwise getaddrinfo support on
>> versions of Windows earlier than Windows XP is limited to handling IPv4
>> name resolution.
>>
>> The GetAddrInfoW function is the Unicode version of getaddrinfo. The
>> GetAddrInfoW function was added to the Ws2_32.dll in Windows XP SP2. The
>> GetAddrInfoW function cannot be used on versions of Windows earlier than
>> Windows XP SP2.
>>   
>>     
> Christian found out that some of this problems are caused by missing 
> winsock initialisation which has to be in every application in the 
> following manner.
>
>     WSADATA wsaData;
>     WORD wVersionRequested = MAKEWORD( 2, 2 );
>     WSAStartup( wVersionRequested, &wsaData );
>
> Because placing such call in very applications looks very mess and I 
> think there must be a way to place this in kdewin32 or kdecore library.
>
> Is anybody there who has an idea where to place this stuff ? In 
> KCoreApplication constructor oder somewhere else ?
>
>   
or better KNetwork:KSocketBase  because it is the root of all network 
socket related classes  ? 
http://developer.kde.org/documentation/library/3.5-api/kdelibs-apidocs/kdecore/html/classKNetwork_1_1KSocketBase.html

Ralf