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// SOCK_Connector.cpp
// $Id$
#define ACE_BUILD_DLL
#include "ace/SOCK_Connector.h"
#include "ace/Handle_Set.h"
#include "ace/INET_Addr.h"
#if defined (ACE_LACKS_INLINE_FUNCTIONS)
#include "ace/SOCK_Connector.i"
#endif /* ACE_LACKS_INLINE_FUNCTIONS */
ACE_RCSID(ace, SOCK_Connector, "$Id$")
ACE_ALLOC_HOOK_DEFINE(ACE_SOCK_Connector)
void
ACE_SOCK_Connector::dump (void) const
{
ACE_TRACE ("ACE_SOCK_Connector::dump");
}
// Actively connect and produce a new ACE_SOCK_Stream if things go well...
int
ACE_SOCK_Connector::connect (ACE_SOCK_Stream &new_stream,
const ACE_Addr &remote_sap,
ACE_Time_Value *timeout,
const ACE_Addr &local_sap,
int reuse_addr,
int /* flags */,
int /* perms */,
int protocol_family,
int protocol)
{
ACE_TRACE ("ACE_SOCK_Connector::connect");
int result = 0;
// Only open a new socket if we don't already have a valid handle.
if (new_stream.get_handle () == ACE_INVALID_HANDLE
&& new_stream.open (SOCK_STREAM,
protocol_family,
protocol,
reuse_addr) == -1)
return -1;
sockaddr *raddr = (sockaddr *) remote_sap.get_addr ();
size_t rsize = remote_sap.get_size ();
if (local_sap != ACE_Addr::sap_any)
{
sockaddr *laddr = (sockaddr *) local_sap.get_addr ();
size_t size = local_sap.get_size ();
result = ACE_OS::bind (new_stream.get_handle (),
laddr,
size);
if (result == -1)
{
new_stream.close ();
return -1;
}
}
// Enable non-blocking, if required.
if (timeout != 0)
{
if (new_stream.enable (ACE_NONBLOCK) == -1)
result = -1;
if (ACE_OS::connect (new_stream.get_handle (), raddr, rsize) == -1)
{
result = -1;
// Check whether the connection is in progress.
if (errno == EINPROGRESS || errno == EWOULDBLOCK)
{
// This expression checks if we were polling.
if (timeout->sec () == 0 && timeout->usec () == 0)
errno = EWOULDBLOCK;
// Wait synchronously
else if (this->complete (new_stream, 0, timeout) != -1)
return 0;
}
}
}
// Do a blocking connect.
else if (ACE_OS::connect (new_stream.get_handle (), raddr, rsize) == -1)
result = -1;
// EISCONN is treated specially since this routine may be used to
// check if we are already connected.
if (result != -1 || errno == EISCONN)
// Start out with non-blocking disabled on the <new_stream>.
new_stream.disable (ACE_NONBLOCK);
else if (!(errno == EWOULDBLOCK || errno == ETIMEDOUT))
{
// Save/restore errno.
ACE_Errno_Guard error (errno);
new_stream.close ();
}
return result;
}
// Try to complete a non-blocking connection.
int
ACE_SOCK_Connector::complete (ACE_SOCK_Stream &new_stream,
ACE_Addr *remote_sap,
ACE_Time_Value *tv)
{
ACE_TRACE ("ACE_SOCK_Connector::complete");
#if defined (ACE_HAS_BROKEN_NON_BLOCKING_CONNECTS)
// Win32 has a timing problem - if you check to see if the
// connection has completed too fast, it will fail - so wait 1
// millisecond to let it catch up.
ACE_Time_Value time (0, ACE_NON_BLOCKING_BUG_DELAY);
ACE_OS::sleep (time);
#endif /* ACE_HAS_BROKEN_NON_BLOCKING_CONNECTS */
ACE_HANDLE h = ACE::handle_timed_complete (new_stream.get_handle (), tv);
if (h == ACE_INVALID_HANDLE)
{
// Save/restore errno.
ACE_Errno_Guard error (errno);
new_stream.close ();
return -1;
}
else // We've successfully connected!
{
if (remote_sap != 0)
{
int len;
len = remote_sap->get_size ();
sockaddr *addr = (sockaddr *) remote_sap->get_addr ();
if (ACE_OS::getpeername (h, addr, &len) == -1)
{
// Save/restore errno.
ACE_Errno_Guard error (errno);
new_stream.close ();
return -1;
}
}
// Start out with non-blocking disabled on the <new_stream>.
new_stream.disable (ACE_NONBLOCK);
return 0;
}
}
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