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// SOCK_SEQPACK_Connector.cpp
// $Id$
#include "ace/SOCK_SEQPACK_Connector.h"
#include "ace/INET_Addr.h"
#include "ace/Log_Msg.h"
#if defined (ACE_LACKS_INLINE_FUNCTIONS)
#include "ace/SOCK_SEQPACK_Connector.i"
#endif /* ACE_LACKS_INLINE_FUNCTIONS */
ACE_RCSID(ace, SOCK_SEQPACK_Connector, "SOCK_SEQPACK_Connector.cpp,v 4.35 2002/03/08 23:18:09 spark Exp")
ACE_ALLOC_HOOK_DEFINE(ACE_SOCK_SEQPACK_Connector)
void
ACE_SOCK_SEQPACK_Connector::dump (void) const
{
#if defined (ACE_HAS_DUMP)
ACE_TRACE ("ACE_SOCK_SEQPACK_Connector::dump");
#endif /* ACE_HAS_DUMP */
}
int
ACE_SOCK_SEQPACK_Connector::shared_open (ACE_SOCK_SEQPACK_Association &new_association,
int protocol_family,
int protocol,
int reuse_addr)
{
ACE_TRACE ("ACE_SOCK_SEQPACK_Connector::shared_open");
// Only open a new socket if we don't already have a valid handle.
if (new_association.get_handle () == ACE_INVALID_HANDLE
&& new_association.open (SOCK_SEQPACKET,
protocol_family,
protocol,
reuse_addr) == -1)
return -1;
else
return 0;
}
int
ACE_SOCK_SEQPACK_Connector::shared_open (ACE_SOCK_SEQPACK_Association &new_association,
int protocol_family,
int protocol,
ACE_Protocol_Info *protocolinfo,
ACE_SOCK_GROUP g,
u_long flags,
int reuse_addr)
{
ACE_TRACE ("ACE_SOCK_SEQPACK_Connector::shared_open");
// Only open a new socket if we don't already have a valid handle.
if (new_association.get_handle () == ACE_INVALID_HANDLE
&& new_association.open (SOCK_SEQPACKET,
protocol_family,
protocol,
protocolinfo,
g,
flags,
reuse_addr) == -1)
return -1;
else
return 0;
}
int
ACE_SOCK_SEQPACK_Connector::shared_connect_start (ACE_SOCK_SEQPACK_Association &new_association,
const ACE_Time_Value *timeout,
const ACE_Addr &local_sap)
{
ACE_TRACE ("ACE_SOCK_SEQPACK_Connector::shared_connect_start");
if (local_sap != ACE_Addr::sap_any)
{
sockaddr *laddr = ACE_reinterpret_cast (sockaddr *,
local_sap.get_addr ());
size_t size = local_sap.get_size ();
if (ACE_OS::bind (new_association.get_handle (),
laddr,
size) == -1)
{
// Save/restore errno.
ACE_Errno_Guard error (errno);
new_association.close ();
return -1;
}
}
// Enable non-blocking, if required.
if (timeout != 0
&& new_association.enable (ACE_NONBLOCK) == -1)
return -1;
else
return 0;
}
// Multihomed version of same
int
ACE_SOCK_SEQPACK_Connector::shared_connect_start (ACE_SOCK_SEQPACK_Association &new_association,
const ACE_Time_Value *timeout,
const ACE_Multihomed_INET_Addr &local_sap)
{
ACE_TRACE ("ACE_SOCK_SEQPACK_Connector::shared_connect_start");
if (local_sap.ACE_Addr::operator!= (ACE_Addr::sap_any))
{
// The total number of addresses is the number of secondary
// addresses plus one.
size_t num_addresses = local_sap.get_num_secondary_addresses() + 1;
// Create an array of sockaddr_in to hold the underlying
// representations of the primary and secondary
// addresses.
sockaddr_in* local_inet_addrs = 0;
ACE_NEW_NORETURN(local_inet_addrs,
sockaddr_in[num_addresses]);
if (!local_inet_addrs)
return -1;
// Populate the array by invoking the get_addresses method on
// the Multihomed_INET_Addr
local_sap.get_addresses(local_inet_addrs, num_addresses);
// Call bind
if (ACE_OS::bind (new_association.get_handle (),
ACE_reinterpret_cast (sockaddr *,
local_inet_addrs),
(sizeof (sockaddr_in))*num_addresses) == -1)
{
// Save/restore errno.
ACE_Errno_Guard error (errno);
new_association.close ();
return -1;
}
delete [] local_inet_addrs;
}
// Enable non-blocking, if required.
if (timeout != 0
&& new_association.enable (ACE_NONBLOCK) == -1)
return -1;
else
return 0;
}
int
ACE_SOCK_SEQPACK_Connector::shared_connect_finish (ACE_SOCK_SEQPACK_Association &new_association,
const ACE_Time_Value *timeout,
int result)
{
ACE_TRACE ("ACE_SOCK_SEQPACK_Connector::shared_connect_finish");
// Save/restore errno.
ACE_Errno_Guard error (errno);
if (result == -1 && timeout != 0)
{
// Check whether the connection is in progress.
if (error == EINPROGRESS || error == EWOULDBLOCK)
{
// This expression checks if we were polling.
if (timeout->sec () == 0
&& timeout->usec () == 0)
error = EWOULDBLOCK;
// Wait synchronously using timeout.
else if (this->complete (new_association,
0,
timeout) == -1)
error = errno;
else
return 0;
}
}
// EISCONN is treated specially since this routine may be used to
// check if we are already connected.
if (result != -1 || error == EISCONN)
// Start out with non-blocking disabled on the <new_association>.
new_association.disable (ACE_NONBLOCK);
else if (!(error == EWOULDBLOCK || error == ETIMEDOUT))
new_association.close ();
return result;
}
// Actively connect and produce a new ACE_SOCK_SEQPACK_Association if things go well...
int
ACE_SOCK_SEQPACK_Connector::connect (ACE_SOCK_SEQPACK_Association &new_association,
const ACE_Addr &remote_sap,
const ACE_Time_Value *timeout,
const ACE_Addr &local_sap,
int reuse_addr,
int /* flags */,
int /* perms */,
int protocol)
{
ACE_TRACE ("ACE_SOCK_SEQPACK_Connector::connect");
if (this->shared_open (new_association,
remote_sap.get_type (),
protocol,
reuse_addr) == -1)
return -1;
else if (this->shared_connect_start (new_association,
timeout,
local_sap) == -1)
return -1;
int result = ACE_OS::connect (new_association.get_handle (),
ACE_reinterpret_cast (sockaddr *,
remote_sap.get_addr ()),
remote_sap.get_size ());
return this->shared_connect_finish (new_association,
timeout,
result);
}
// Multihomed version of same
int
ACE_SOCK_SEQPACK_Connector::connect (ACE_SOCK_SEQPACK_Association &new_association,
const ACE_Addr &remote_sap,
const ACE_Time_Value *timeout,
const ACE_Multihomed_INET_Addr &local_sap,
int reuse_addr,
int /* flags */,
int /* perms */,
int protocol)
{
ACE_TRACE ("ACE_SOCK_SEQPACK_Connector::connect");
if (this->shared_open (new_association,
remote_sap.get_type (),
protocol,
reuse_addr) == -1)
return -1;
else if (this->shared_connect_start (new_association,
timeout,
local_sap) == -1)
return -1;
int result = ACE_OS::connect (new_association.get_handle (),
ACE_reinterpret_cast (sockaddr *,
remote_sap.get_addr ()),
remote_sap.get_size ());
return this->shared_connect_finish (new_association,
timeout,
result);
}
// Try to complete a non-blocking connection.
int
ACE_SOCK_SEQPACK_Connector::complete (ACE_SOCK_SEQPACK_Association &new_association,
ACE_Addr *remote_sap,
const ACE_Time_Value *tv)
{
ACE_TRACE ("ACE_SOCK_SEQPACK_Connector::complete");
ACE_HANDLE h = ACE::handle_timed_complete (new_association.get_handle (),
tv);
// We failed to get connected.
if (h == ACE_INVALID_HANDLE)
{
#if defined (ACE_WIN32)
// Win32 has a timing problem - if you check to see if the
// connection has completed too fast, it will fail - so wait
// <ACE_NON_BLOCKING_BUG_DELAY> microseconds to let it catch up
// then retry to see if it's a real failure.
ACE_Time_Value time (0, ACE_NON_BLOCKING_BUG_DELAY);
ACE_OS::sleep (time);
h = ACE::handle_timed_complete (new_association.get_handle (),
tv);
if (h == ACE_INVALID_HANDLE)
{
#endif /* ACE_WIN32 */
// Save/restore errno.
ACE_Errno_Guard error (errno);
new_association.close ();
return -1;
#if defined (ACE_WIN32)
}
#endif /* ACE_WIN32 */
}
if (remote_sap != 0)
{
int len = remote_sap->get_size ();
sockaddr *addr = ACE_reinterpret_cast (sockaddr *,
remote_sap->get_addr ());
if (ACE_OS::getpeername (h,
addr,
&len) == -1)
{
// Save/restore errno.
ACE_Errno_Guard error (errno);
new_association.close ();
return -1;
}
}
// Start out with non-blocking disabled on the <new_association>.
new_association.disable (ACE_NONBLOCK);
return 0;
}
ACE_SOCK_SEQPACK_Connector::ACE_SOCK_SEQPACK_Connector (ACE_SOCK_SEQPACK_Association &new_association,
const ACE_Addr &remote_sap,
const ACE_Time_Value *timeout,
const ACE_Addr &local_sap,
int reuse_addr,
int flags,
int perms,
int protocol)
{
ACE_TRACE ("ACE_SOCK_SEQPACK_Connector::ACE_SOCK_SEQPACK_Connector");
if (this->connect (new_association,
remote_sap,
timeout,
local_sap,
reuse_addr,
flags,
perms,
protocol) == -1
&& timeout != 0
&& !(errno == EWOULDBLOCK || errno == ETIME || errno == ETIMEDOUT))
ACE_ERROR ((LM_ERROR,
ACE_LIB_TEXT ("%p\n"),
ACE_LIB_TEXT ("ACE_SOCK_SEQPACK_Connector::ACE_SOCK_SEQPACK_Connector")));
}
// Multihomed version of same
ACE_SOCK_SEQPACK_Connector::ACE_SOCK_SEQPACK_Connector (ACE_SOCK_SEQPACK_Association &new_association,
const ACE_Addr &remote_sap,
const ACE_Time_Value *timeout,
const ACE_Multihomed_INET_Addr &local_sap,
int reuse_addr,
int flags,
int perms,
int protocol)
{
ACE_TRACE ("ACE_SOCK_SEQPACK_Connector::ACE_SOCK_SEQPACK_Connector");
if (this->connect (new_association,
remote_sap,
timeout,
local_sap,
reuse_addr,
flags,
perms,
protocol) == -1
&& timeout != 0
&& !(errno == EWOULDBLOCK || errno == ETIME || errno == ETIMEDOUT))
ACE_ERROR ((LM_ERROR,
ACE_LIB_TEXT ("%p\n"),
ACE_LIB_TEXT ("ACE_SOCK_SEQPACK_Connector::ACE_SOCK_SEQPACK_Connector")));
}
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