template <class HANDLER> void
ACE_Asynch_Acceptor<HANDLER>::parse_address (const
ACE_Asynch_Accept::Result &result,
ACE_INET_Addr &remote_address,
ACE_INET_Addr &local_address)
{
ACE_TRACE ("ACE_Asynch_Acceptor<>::parse_address");
#if defined (ACE_HAS_AIO_CALLS)
// Use an ACE_SOCK to get the addresses - it knows how to deal with
// ACE_INET_Addr objects and get IPv4/v6 addresses.
ACE_SOCK_Stream str (result.accept_handle ());
str.get_local_addr (local_address);
str.get_remote_addr (remote_address);
#elif defined (ACE_HAS_WINSOCK2) && (ACE_HAS_WINSOCK2 != 0)
ACE_Message_Block &message_block = result.message_block ();
sockaddr *local_addr = 0;
sockaddr *remote_addr = 0;
int local_size = 0;
int remote_size = 0;
// This matches setup in accept().
size_t addr_size = sizeof (sockaddr_in) + 16;
#if defined (ACE_HAS_IPV6)
if (this->addr_family_ == PF_INET6)
addr_size = sizeof (sockaddr_in6) + 16;
#endif /* ACE_HAS_IPV6 */
::GetAcceptExSockaddrs (message_block.rd_ptr (),
static_cast<DWORD> (this->bytes_to_read_),
static_cast<DWORD> (addr_size),
static_cast<DWORD> (addr_size),
&local_addr,
&local_size,
&remote_addr,
&remote_size);
local_address.set (reinterpret_cast<sockaddr_in *> (local_addr),
local_size);
remote_address.set (reinterpret_cast<sockaddr_in *> (remote_addr),
remote_size);
#else
// just in case
errno = ENOTSUP;
#endif /* defined (ACE_HAS_WINSOCK2) && (ACE_HAS_WINSOCK2 != 0) */
return;
}
template <class HANDLER> void
ACE_Asynch_Acceptor<HANDLER>::handle_accept (const ACE_Asynch_Accept::Result &result)
{
ACE_TRACE ("ACE_Asynch_Acceptor<>::handle_accept");
// Variable for error tracking
int error = 0;
// If the asynchronous accept fails.
if (!result.success () || result.accept_handle () == ACE_INVALID_HANDLE)
{
error = 1;
}
#if defined (ACE_WIN32)
// In order to use accept handle with other Window Sockets 1.1
// functions, we call the setsockopt function with the
// SO_UPDATE_ACCEPT_CONTEXT option. This option initializes the
// socket so that other Windows Sockets routines to access the
// socket correctly.
if (!error &&
ACE_OS::setsockopt (result.accept_handle (),
SOL_SOCKET,
SO_UPDATE_ACCEPT_CONTEXT,
(char *) &this->listen_handle_,
sizeof (this->listen_handle_)) == -1)
{
error = 1;
}
#endif /* ACE_WIN32 */
// Parse address.
ACE_INET_Addr local_address;
ACE_INET_Addr remote_address;
if (!error &&
(this->validate_new_connection_ || this->pass_addresses_))
// Parse the addresses.
this->parse_address (result,
remote_address,
local_address);
// Validate remote address
if (!error &&
this->validate_new_connection_ &&
(this->validate_connection (result, remote_address, local_address) == -1))
{
error = 1;
}
HANDLER *new_handler = 0;
if (!error)
{
// The Template method
new_handler = this->make_handler ();
if (new_handler == 0)
{
error = 1;
}
}
// If no errors
if (!error)
{
// Update the Proactor.
new_handler->proactor (this->proactor ());
// Pass the addresses
if (this->pass_addresses_)
new_handler->addresses (remote_address,
local_address);
// Pass the ACT
if (result.act () != 0)
new_handler->act (result.act ());
// Set up the handler's new handle value
new_handler->handle (result.accept_handle ());
// Initiate the handler
new_handler->open (result.accept_handle (),
result.message_block ());
}
// On failure, no choice but to close the socket
if (error &&
result.accept_handle() != ACE_INVALID_HANDLE )
ACE_OS::closesocket (result.accept_handle ());
// Delete the dynamically allocated message_block
result.message_block ().release ();
// Start off another asynchronous accept to keep the backlog going,
// unless we closed the listen socket already (from the destructor),
// or this callback is the result of a canceled/aborted accept.
if (this->should_reissue_accept () &&
this->listen_handle_ != ACE_INVALID_HANDLE
#if defined (ACE_WIN32)
&& result.error () != ERROR_OPERATION_ABORTED
#else
&& result.error () != ECANCELED
#endif
)
this->accept (this->bytes_to_read_, result.act ());
}