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101 lines
3.1 KiB
C++
101 lines
3.1 KiB
C++
// $Id: UPIPE_Connector.cpp 96985 2013-04-11 15:50:32Z huangh $
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#include "ace/UPIPE_Connector.h"
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#if defined (ACE_HAS_THREADS)
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#include "ace/Handle_Ops.h"
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#include "ace/OS_NS_unistd.h"
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#include "ace/OS_NS_stropts.h"
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#if !defined (__ACE_INLINE__)
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#include "ace/UPIPE_Connector.inl"
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#endif /* __ACE_INLINE__ */
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ACE_BEGIN_VERSIONED_NAMESPACE_DECL
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ACE_ALLOC_HOOK_DEFINE(ACE_UPIPE_Connector)
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void
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ACE_UPIPE_Connector::dump (void) const
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{
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#if defined (ACE_HAS_DUMP)
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ACE_TRACE ("ACE_UPIPE_Connector::dump");
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#endif /* ACE_HAS_DUMP */
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}
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ACE_UPIPE_Connector::ACE_UPIPE_Connector (void)
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{
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ACE_TRACE ("ACE_UPIPE_Connector::ACE_UPIPE_Connector");
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}
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int
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ACE_UPIPE_Connector::connect (ACE_UPIPE_Stream &new_stream,
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const ACE_UPIPE_Addr &addr,
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ACE_Time_Value *timeout,
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const ACE_Addr & /* local_sap */,
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int /* reuse_addr */,
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int flags,
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int perms)
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{
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ACE_TRACE ("ACE_UPIPE_Connector::connect");
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ACE_ASSERT (new_stream.get_handle () == ACE_INVALID_HANDLE);
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ACE_HANDLE handle = ACE::handle_timed_open (timeout,
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addr.get_path_name (),
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flags, perms);
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if (handle == ACE_INVALID_HANDLE)
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return -1;
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#if !defined (ACE_WIN32)
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else if (ACE_OS::isastream (handle) != 1)
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return -1;
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#endif
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else // We're connected!
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{
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ACE_MT (ACE_GUARD_RETURN (ACE_Thread_Mutex, ace_mon, new_stream.lock_, -1));
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ACE_UPIPE_Stream *ustream = &new_stream;
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new_stream.set_handle (handle);
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new_stream.remote_addr_ = addr; // class copy.
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new_stream.reference_count_++;
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// Now send the address of our ACE_UPIPE_Stream over this pipe
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// to our corresponding ACE_UPIPE_Acceptor, so he may link the
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// two streams.
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ssize_t result = ACE_OS::write (handle,
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(const char *) &ustream,
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sizeof ustream);
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if (result == -1)
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ACELIB_ERROR ((LM_ERROR,
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ACE_TEXT ("ACE_UPIPE_Connector %p\n"),
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ACE_TEXT ("write to pipe failed")));
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// Wait for confirmation of stream linking.
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ACE_Message_Block *mb_p = 0;
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// Our part is done, wait for server to confirm connection.
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result = new_stream.recv (mb_p, 0);
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// Do *not* coalesce the following two checks for result == -1.
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// They perform different checks and cannot be merged.
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if (result == -1)
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ACELIB_ERROR ((LM_ERROR,
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ACE_TEXT ("ACE_UPIPE_Connector %p\n"),
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ACE_TEXT ("no confirmation from server")));
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else
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// Close down the new_stream at this point in order to
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// conserve handles. Note that we don't need the SPIPE
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// connection anymore since we're linked via the Message_Queue
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// now.
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new_stream.ACE_SPIPE::close ();
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return static_cast<int> (result);
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}
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}
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ACE_END_VERSIONED_NAMESPACE_DECL
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#endif /* ACE_HAS_THREADS */
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