Re: [ECOS] synthetic target network support for UDP socket.

["Santoshkumar Zalake" <santoshkumar dot zalake at wipro dot com>]

Hi Andrew

I am using SOL_SOCKET value as 0xffff.

Z.Santosh.
----- Original Message -----
From: "Andrew Lunn" <andrew@lunn.ch>
To: "Santoshkumar Zalake" <santoshkumar.zalake@wipro.com>
Cc: "eCos Disuss" <ecos-discuss@ecos.sourceware.org>
Sent: Wednesday, March 09, 2005 8:10 PM
Subject: Re: [ECOS] synthetic target network support for UDP socket.


> On Wed, Mar 09, 2005 at 07:40:32PM +0530, Santoshkumar Zalake wrote:
> > Hi All,
> >
> > According following mail, I used "socketcall" function calls to use
Linux
> > (native) socket function. These are working fine TCP (stream) socket.
But
> > these calls are not properly working for UDP (datagram) sockets.
> > I used following code to establish socket connection between to process
> > using synthetic eCos-2.0.
> >
> > /* To get socket  */
> >
> > unsigned long sock_info[10];
> > int udp_socket_fd, socket_error,a=1;
> >
> > memset(sock_info,0x00,10*sizeof(unsigned long));
> >
> > socket_info[0] = (unsigned long) AF_INET;
> > socket_info[1] = (unsigned long) SOCK_DGRAM;
> > socket_info[2] = (unsigned long)0;
> >
> >  udp_socket_fd = cyg_hal_sys_socketcall(SYS_SOCKET,socket_info);
> >
> > if(udp_socket_fd <0)
> > {
> >             printf("Error Socket %d", udp_socket_fd);
> >             exit(0);
> > }
> > /* To set Reuse */
> > memset(sock_info,0x00,10*sizeof(unsigned long));
> >
> > socket_info[0] = (unsigned long)udp_socket_fd;
> > socket_info[1] = (unsigned long) SOL_SOCKET;
> > socket_info[2] = (unsigned long) SO_REUSEADDR;
> > socket_info[3] = (unsigned long)(&a);
> > socket_info[4] = (unsigned long)(sizeof(int));
> >
> > socket_error = cyg_hal_sys_socketcall(SYS_SETSOCKOPT,socket_info);
> >
> > if(socket_error <0)
> > {
> >             printf("ERROR SetSockOpt %d", socket_error);
> > }
> >
> >
> > In this code, I am getting socket(udp_socket_fd )value as 4 or 5. But I
am
> > getting socket_error value as -92 (according error.h this error is
> > ENOPROTOOPT which means protocol not available) in setsockopt
functionality.
>
> What value are you using for SOL_SOCKET? 0xffff or 1?
>
>         Andrew
>






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