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#include "ace/UPIPE_Connector.h"
#if defined (ACE_HAS_THREADS)
#include "ace/Handle_Ops.h"
#include "ace/OS_NS_unistd.h"
#include "ace/OS_NS_stropts.h"
#if !defined (__ACE_INLINE__)
#include "ace/UPIPE_Connector.inl"
#endif /* __ACE_INLINE__ */
ACE_BEGIN_VERSIONED_NAMESPACE_DECL
ACE_ALLOC_HOOK_DEFINE(ACE_UPIPE_Connector)
void
ACE_UPIPE_Connector::dump (void) const
{
#if defined (ACE_HAS_DUMP)
ACE_TRACE ("ACE_UPIPE_Connector::dump");
#endif /* ACE_HAS_DUMP */
}
ACE_UPIPE_Connector::ACE_UPIPE_Connector (void)
{
ACE_TRACE ("ACE_UPIPE_Connector::ACE_UPIPE_Connector");
}
int
ACE_UPIPE_Connector::connect (ACE_UPIPE_Stream &new_stream,
const ACE_UPIPE_Addr &addr,
ACE_Time_Value *timeout,
const ACE_Addr & /* local_sap */,
int /* reuse_addr */,
int flags,
int perms)
{
ACE_TRACE ("ACE_UPIPE_Connector::connect");
ACE_ASSERT (new_stream.get_handle () == ACE_INVALID_HANDLE);
ACE_HANDLE handle = ACE::handle_timed_open (timeout,
addr.get_path_name (),
flags, perms);
if (handle == ACE_INVALID_HANDLE)
return -1;
#if !defined (ACE_WIN32)
else if (ACE_OS::isastream (handle) != 1)
return -1;
#endif
else // We're connected!
{
ACE_MT (ACE_GUARD_RETURN (ACE_Thread_Mutex, ace_mon, new_stream.lock_, -1));
ACE_UPIPE_Stream *ustream = &new_stream;
new_stream.set_handle (handle);
new_stream.remote_addr_ = addr; // class copy.
new_stream.reference_count_++;
// Now send the address of our ACE_UPIPE_Stream over this pipe
// to our corresponding ACE_UPIPE_Acceptor, so he may link the
// two streams.
ssize_t result = ACE_OS::write (handle,
(const char *) &ustream,
sizeof ustream);
if (result == -1)
ACELIB_ERROR ((LM_ERROR,
ACE_TEXT ("ACE_UPIPE_Connector %p\n"),
ACE_TEXT ("write to pipe failed")));
// Wait for confirmation of stream linking.
ACE_Message_Block *mb_p = 0;
// Our part is done, wait for server to confirm connection.
result = new_stream.recv (mb_p, 0);
// Do *not* coalesce the following two checks for result == -1.
// They perform different checks and cannot be merged.
if (result == -1)
ACELIB_ERROR ((LM_ERROR,
ACE_TEXT ("ACE_UPIPE_Connector %p\n"),
ACE_TEXT ("no confirmation from server")));
else
// Close down the new_stream at this point in order to
// conserve handles. Note that we don't need the SPIPE
// connection anymore since we're linked via the Message_Queue
// now.
new_stream.ACE_SPIPE::close ();
return static_cast<int> (result);
}
}
ACE_END_VERSIONED_NAMESPACE_DECL
#endif /* ACE_HAS_THREADS */
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