[ECOS] RE: is this a bug? (sendto socket call)

[Richard dot von dot Lehe at gd-ais dot com]

Sorry, see my corrected sentence below....  The local address is in inp_dependladdr.inp46_local.ia46_addr4.

>  -----Original Message-----
> From: 	von Lehe, Richard H  
> Sent:	Tuesday, July 20, 2004 9:26 AM
> To:	Ecos-Discuss (E-mail)
> Cc:	von Lehe, Richard H
> Subject:	is this a bug? (sendto socket call)
> 
> Hi All,
> 
> When I debugged deep into the various calls underneath 'sendto', I came across this section of code.  The call stack is something like this (not exact):
> 
> sendto -> sosend -> udp_send -> udp_output
> 
> In udp_output (udp_usrreq.c):
> ----------------- code -----------------------
>     	if (addr) {
>     		sin = (struct sockaddr_in *)addr;
>     		laddr = inp->inp_laddr;
>     		if (inp->inp_faddr.s_addr != INADDR_ANY) {         // <-------------------- ??
>     			error = EISCONN;
>     			goto release;
>     		}
> -------------------- end code -----------------------
> 
> The string inp_faddr is #defined to be inp_dependfaddr.inp46_foreign.ia46_addr4.
> 
> The structure for 'inp' is at the bottom of this email.   Anyway, in my debugger I see that inp_dependfaddr.inp46_foreign.ia46_addr4 is my desired remote address and  inp_dependladdr.inp46_ local .ia46_addr4 is one of my local addresses.  Of course my remote address is not 0.0.0.0 (INADDR_ANY) and I get the 'is already connected' (EISCONN) error.  Does this make sense to anyone else?  It doesn't to me.  I can include any other information if this isn't enough.  I am using 'sendto' in a way that seems to work when I compile and run under Linux instead of eCos.
> 
> Thanks,
> Rich
> 
> (gdb) ptype inp
> type = struct inpcb {
>     struct {
>         struct inpcb *le_next;
>         struct inpcb **le_prev;
>     } inp_hash;
>     u_short inp_fport;
>     u_short inp_lport;
>     struct {
>         struct inpcb *le_next;
>         struct inpcb **le_prev;
>     } inp_list;
>     u_int32_t inp_flow;
>     union {
>         struct in_addr_4in6 inp46_foreign;
>         struct in6_addr inp6_foreign;
>     } inp_dependfaddr;
>     union {
>         struct in_addr_4in6 inp46_local;
>         struct in6_addr inp6_local;
>     } inp_dependladdr;
>     char *inp_ppcb;
>     struct inpcbinfo *inp_pcbinfo;
>     struct socket *inp_socket;
>     int inp_flags;
>     union {
>         struct route inp4_route;
>         struct route inp6_route;
>     } inp_dependroute;
>     struct inpcbpolicy *inp_sp;
>     u_char inp_vflag;
>     u_char inp_ip_ttl;
>     u_char inp_ip_p;
>     struct {
>         u_char inp4_ip_tos;
>         struct mbuf *inp4_options;
>         struct ip_moptions *inp4_moptions;
>     } inp_depend4;
>     struct {
>         struct mbuf *inp6_options;
>         struct ip6_recvpktopts *inp6_inputopts;
>         struct ip6_pktopts *inp6_outputopts;
>         struct ip6_moptions *inp6_moptions;
>         struct icmp6_filter *inp6_icmp6filt;
>         int inp6_cksum;
>         u_short inp6_ifindex;
>         short int inp6_hops;
>     } inp_depend6;
>     struct {
>         struct inpcb *le_next;
>         struct inpcb **le_prev;
>     } inp_portlist;
>     struct inpcbport *inp_phd;
>     inp_gen_t inp_gencnt;
> } *
> 
> 
> 
> 
> 

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