int ACE_Netlink_Addr::set (const ACE_Netlink_Addr &sa)
{
ACE_OS::memset ((void *) &this->nl_,0,sizeof this->nl_);
this->nl_.nl_family = AF_NETLINK;
this->base_set (sa.get_type (), sa.get_size ());
return 0;
}
int ACE_SOCK_Netlink::open (ACE_Netlink_Addr &local,
int protocol_family,
int protocol) //! protocol of your choosing
{
ACE_TRACE ("ACE_SOCK_Netlink::open");
if ( ACE_SOCK::open (SOCK_RAW,
protocol_family, //! RAW or DGRAM valid
protocol,0) < 0 ) {
ACE_TRACE ("ACE_SOCK_Netlink::open failed to open");
return -1;
}
if (ACE_OS::bind(this->get_handle(),
(sockaddr*)local.get_addr(),
local.get_addr_size()) == -1 ) {
ACE_TRACE ("ACE_SOCK_Netlink::open failed to bind socket");
return -1;
}
return 0;
}
int
Secondary_Ipaddr_Handler::handle_input (ACE_HANDLE)
{
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT("(%P) Secondary_Ipaddr_Handler::handle_input - entered\n")));
nlmsghdr *hdr = 0;
iovec iov;
iov.iov_base = this->recv_buff_;
iov.iov_len = sizeof (this->recv_buff_);
int rval_bytes = -1;
ACE_Netlink_Addr raddr;
raddr.set (0, 0);
rval_bytes = this->socket ().recv (&iov, 1, raddr);
switch (rval_bytes)
{
case -1: // Complain and leave
ACE_ERROR_RETURN ((LM_ERROR,
ACE_TEXT("(%P) Secondary_Ipaddr_Handler::handle_input - ")
ACE_TEXT("%p bad read\n"), ACE_TEXT("client")),
-1);
case 0: // Complain and leave
ACE_ERROR_RETURN ((LM_ERROR,
ACE_TEXT("(%P) Secondary_Ipaddr_Handler::handle_input - "),
ACE_TEXT("eof, closing daemon (fd = %d)\n"),
this->get_handle ()),
-1);
default:
if (raddr.get_size () != sizeof (sockaddr_nl))
{
this->on_recv_error ();
ACE_ERROR_RETURN ((LM_ERROR,
ACE_TEXT("(%n %P) Secondary_Ipaddr_Handler::handle_input - ")
ACE_TEXT("address length not equal sockaddr_nl\n")),
-1);
}
hdr = reinterpret_cast <nlmsghdr*> (this->recv_buff_);
if (static_cast <int> (hdr->nlmsg_len) != rval_bytes)
{
this->on_recv_error ();
ACE_ERROR_RETURN ((LM_ERROR,
ACE_TEXT("(%P) Secondary_Ipaddr_Handler::handle_input - ")
ACE_TEXT("size of nlmsg_len not equal received bytes\n")),
-1);
}
if (static_cast <int> (hdr->nlmsg_pid) != this->address_.get_pid () || hdr->nlmsg_seq != this->seq_)
ACE_ERROR_RETURN ((LM_ERROR,
ACE_TEXT("(%P) Secondary_Ipaddr_Handler::handle_input - ")
ACE_TEXT("process id or message sequence is different\n")),
-1);
if (hdr->nlmsg_type == NLMSG_ERROR)
{
struct nlmsgerr *err = static_cast <struct nlmsgerr*> (NLMSG_DATA(hdr));
errno = -err->error;
if (errno == 0)
{
this->on_command_success ();
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT("(%P) Secondary_Ipaddr_Handler::handle_input - command success\n")));
return 0;
}
this->on_command_error ();
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT("(%P) Secondary_Ipaddr_Handler::handle_input - command informs about error\n")));
// some error message
ACE_OS::perror("rtnetlink error message: ");
return 0;
}
}
return -1;
}
ACE_Netlink_Addr::ACE_Netlink_Addr (const ACE_Netlink_Addr &sa)
: ACE_Addr (AF_NETLINK, sa.get_size ())
{
this->set (sa);
}