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Remove deps in prep for submodule
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Antz
Antz
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2217 changed files with 0 additions and 591372 deletions
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// $Id: Pipe.cpp 96985 2013-04-11 15:50:32Z huangh $
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#include "ace/Pipe.h"
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#include "ace/SOCK_Acceptor.h"
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#include "ace/SOCK_Connector.h"
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#include "ace/Log_Category.h"
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#include "ace/OS_NS_sys_socket.h"
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#include "ace/OS_Memory.h"
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#include "ace/Truncate.h"
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#if defined (ACE_HAS_STREAM_PIPES) || defined (__QNX__)
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# include "ace/OS_NS_unistd.h"
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#endif // ACE_HAS_STREAM_PIPES || __QNX__
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#include "ace/os_include/netinet/os_tcp.h"
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#if !defined (__ACE_INLINE__)
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#include "ace/Pipe.inl"
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#endif /* __ACE_INLINE__ */
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ACE_BEGIN_VERSIONED_NAMESPACE_DECL
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void
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ACE_Pipe::dump (void) const
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{
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#if defined (ACE_HAS_DUMP)
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ACE_TRACE ("ACE_Pipe::dump");
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ACELIB_DEBUG ((LM_DEBUG, ACE_BEGIN_DUMP, this));
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ACELIB_DEBUG ((LM_DEBUG, ACE_TEXT ("handles_[0] = %d"), this->handles_[0]));
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ACELIB_DEBUG ((LM_DEBUG, ACE_TEXT ("\nhandles_[1] = %d\n"), this->handles_[1]));
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ACELIB_DEBUG ((LM_DEBUG, ACE_END_DUMP));
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#endif /* ACE_HAS_DUMP */
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}
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int
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ACE_Pipe::open (int buffer_size)
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{
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ACE_TRACE ("ACE_Pipe::open");
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#if defined (ACE_LACKS_SOCKETPAIR)
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ACE_INET_Addr my_addr;
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ACE_SOCK_Acceptor acceptor;
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ACE_SOCK_Connector connector;
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ACE_SOCK_Stream reader;
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ACE_SOCK_Stream writer;
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int result = 0;
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# if defined (ACE_WIN32)
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ACE_INET_Addr local_any (static_cast<u_short> (0), ACE_LOCALHOST);
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# else
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ACE_Addr local_any = ACE_Addr::sap_any;
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# endif /* ACE_WIN32 */
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// Bind listener to any port and then find out what the port was.
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if (acceptor.open (local_any) == -1
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|| acceptor.get_local_addr (my_addr) == -1)
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result = -1;
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else
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{
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ACE_INET_Addr sv_addr (my_addr.get_port_number (),
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ACE_LOCALHOST);
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// Establish a connection within the same process.
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if (connector.connect (writer, sv_addr) == -1)
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result = -1;
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else if (acceptor.accept (reader) == -1)
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{
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writer.close ();
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result = -1;
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}
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}
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// Close down the acceptor endpoint since we don't need it anymore.
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acceptor.close ();
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if (result == -1)
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return -1;
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this->handles_[0] = reader.get_handle ();
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this->handles_[1] = writer.get_handle ();
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# if !defined (ACE_LACKS_TCP_NODELAY)
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int one = 1;
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// Make sure that the TCP stack doesn't try to buffer small writes.
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// Since this communication is purely local to the host it doesn't
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// affect network performance.
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if (writer.set_option (ACE_IPPROTO_TCP,
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TCP_NODELAY,
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&one,
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sizeof one) == -1)
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{
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this->close ();
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return -1;
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}
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# endif /* ! ACE_LACKS_TCP_NODELAY */
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# if defined (ACE_LACKS_SO_RCVBUF) && defined (ACE_LACKS_SO_SNDBUF)
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ACE_UNUSED_ARG (buffer_size);
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# endif
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# if !defined (ACE_LACKS_SO_RCVBUF)
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if (reader.set_option (SOL_SOCKET,
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SO_RCVBUF,
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reinterpret_cast <void *> (&buffer_size),
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sizeof (buffer_size)) == -1
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&& errno != ENOTSUP)
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{
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this->close ();
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return -1;
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}
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# endif /* !ACE_LACKS_SO_RCVBUF */
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# if !defined (ACE_LACKS_SO_SNDBUF)
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if (writer.set_option (SOL_SOCKET,
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SO_SNDBUF,
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reinterpret_cast <void *> (&buffer_size),
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sizeof (buffer_size)) == -1
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&& errno != ENOTSUP)
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{
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this->close ();
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return -1;
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}
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# endif /* !ACE_LACKS_SO_SNDBUF */
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#elif defined (ACE_HAS_STREAM_PIPES) || defined (__QNX__)
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ACE_UNUSED_ARG (buffer_size);
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if (ACE_OS::pipe (this->handles_) == -1)
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ACELIB_ERROR_RETURN ((LM_ERROR,
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ACE_TEXT ("%p\n"),
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ACE_TEXT ("pipe")),
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-1);
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#if !defined(__QNX__)
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int arg = RMSGN;
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// Enable "msg no discard" mode, which ensures that record
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// boundaries are maintained when messages are sent and received.
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if (ACE_OS::ioctl (this->handles_[0],
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I_SRDOPT,
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(void *) arg) == -1
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|| ACE_OS::ioctl (this->handles_[1],
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I_SRDOPT,
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(void *) arg) == -1)
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{
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this->close ();
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ACELIB_ERROR_RETURN ((LM_ERROR,
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ACE_TEXT ("%p\n"),
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ACE_TEXT ("ioctl")), -1);
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}
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#endif /* __QNX__ */
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#else /* ! ACE_LACKS_SOCKETPAIR && ! ACE_HAS_STREAM_PIPES */
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if (ACE_OS::socketpair (AF_UNIX,
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SOCK_STREAM,
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0,
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this->handles_) == -1)
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ACELIB_ERROR_RETURN ((LM_ERROR,
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ACE_TEXT ("%p\n"),
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ACE_TEXT ("socketpair")),
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-1);
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# if defined (ACE_LACKS_SO_SNDBUF) && defined (ACE_LACKS_SO_RCVBUF)
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ACE_UNUSED_ARG (buffer_size);
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# endif
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# if !defined (ACE_LACKS_SO_RCVBUF)
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if (ACE_OS::setsockopt (this->handles_[0],
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SOL_SOCKET,
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SO_RCVBUF,
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reinterpret_cast <const char *> (&buffer_size),
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sizeof (buffer_size)) == -1
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&& errno != ENOTSUP)
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{
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this->close ();
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return -1;
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}
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# endif
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# if !defined (ACE_LACKS_SO_SNDBUF)
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if (ACE_OS::setsockopt (this->handles_[1],
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SOL_SOCKET,
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SO_SNDBUF,
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reinterpret_cast <const char *> (&buffer_size),
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sizeof (buffer_size)) == -1
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&& errno != ENOTSUP)
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{
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this->close ();
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return -1;
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}
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# endif /* ! ACE_LACKS_SO_SNDBUF */
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# if defined (ACE_OPENVMS) && !defined (ACE_LACKS_TCP_NODELAY)
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int one = 1;
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// OpenVMS implements socketpair(AF_UNIX...) by returning AF_INET sockets.
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// Since these are plagued by Nagle as any other INET socket we need to set
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// TCP_NODELAY on the write handle.
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if (ACE_OS::setsockopt (this->handles_[1],
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ACE_IPPROTO_TCP,
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TCP_NODELAY,
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reinterpret_cast <const char *> (&one),
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sizeof (one)) == -1)
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{
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this->close ();
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return -1;
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}
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# endif /* ACE_OPENVMS && !ACE_LACKS_TCP_NODELAY */
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#endif /* ! ACE_LACKS_SOCKETPAIR && ! ACE_HAS_STREAM_PIPES */
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// Point both the read and write HANDLES to the appropriate socket
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// HANDLEs.
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return 0;
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}
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int
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ACE_Pipe::open (ACE_HANDLE handles[2])
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{
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ACE_TRACE ("ACE_Pipe::open");
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if (this->open () == -1)
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return -1;
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else
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{
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handles[0] = this->handles_[0];
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handles[1] = this->handles_[1];
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return 0;
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}
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}
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// Do nothing...
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ACE_Pipe::ACE_Pipe (void)
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{
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ACE_TRACE ("ACE_Pipe::ACE_Pipe");
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this->handles_[0] = ACE_INVALID_HANDLE;
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this->handles_[1] = ACE_INVALID_HANDLE;
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}
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ACE_Pipe::ACE_Pipe (ACE_HANDLE handles[2])
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{
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ACE_TRACE ("ACE_Pipe::ACE_Pipe");
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if (this->open (handles) == -1)
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ACELIB_ERROR ((LM_ERROR,
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ACE_TEXT ("ACE_Pipe::ACE_Pipe")));
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}
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ACE_Pipe::ACE_Pipe (ACE_HANDLE read,
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ACE_HANDLE write)
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{
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ACE_TRACE ("ACE_Pipe::ACE_Pipe");
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this->handles_[0] = read;
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this->handles_[1] = write;
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}
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int
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ACE_Pipe::close (void)
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{
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ACE_TRACE ("ACE_Pipe::close");
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int result = this->close_read ();
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result |= this->close_write ();
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return result;
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}
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int
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ACE_Pipe::close_read (void)
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{
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return this->close_handle (0);
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}
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int ACE_Pipe::close_write (void)
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{
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return this->close_handle (1);
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}
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// Send N char *ptrs and int lengths. Note that the char *'s precede
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// the ints (basically, an varargs version of writev). The count N is
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// the *total* number of trailing arguments, *not* a couple of the
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// number of tuple pairs!
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ssize_t
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ACE_Pipe::send (size_t n, ...) const
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{
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ACE_TRACE ("ACE_Pipe::send");
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va_list argp;
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int total_tuples = ACE_Utils::truncate_cast<int> (n / 2);
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iovec *iovp;
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#if defined (ACE_HAS_ALLOCA)
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iovp = (iovec *) alloca (total_tuples * sizeof (iovec));
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#else
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ACE_NEW_RETURN (iovp,
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iovec[total_tuples],
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-1);
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#endif /* !defined (ACE_HAS_ALLOCA) */
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va_start (argp, n);
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for (int i = 0; i < total_tuples; ++i)
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{
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iovp[i].iov_base = va_arg (argp, char *);
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iovp[i].iov_len = va_arg (argp, int);
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}
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#if defined (ACE_WIN32)
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ssize_t result = ACE::sendv (this->write_handle (),
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iovp,
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total_tuples);
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#else
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ssize_t result = ACE_OS::writev (this->write_handle (),
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iovp,
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total_tuples);
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#endif /* ACE_WIN32 */
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#if !defined (ACE_HAS_ALLOCA)
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delete [] iovp;
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#endif /* !defined (ACE_HAS_ALLOCA) */
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va_end (argp);
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return result;
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}
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// This is basically an interface to ACE_OS::readv, that doesn't use
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// the struct iovec explicitly. The ... can be passed as an arbitrary
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// number of (char *ptr, int len) tuples. However, the count N is the
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// *total* number of trailing arguments, *not* a couple of the number
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// of tuple pairs!
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ssize_t
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ACE_Pipe::recv (size_t n, ...) const
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{
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ACE_TRACE ("ACE_Pipe::recv");
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va_list argp;
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int total_tuples = ACE_Utils::truncate_cast<int> (n / 2);
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iovec *iovp;
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#if defined (ACE_HAS_ALLOCA)
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iovp = (iovec *) alloca (total_tuples * sizeof (iovec));
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#else
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ACE_NEW_RETURN (iovp,
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iovec[total_tuples],
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-1);
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#endif /* !defined (ACE_HAS_ALLOCA) */
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va_start (argp, n);
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for (int i = 0; i < total_tuples; ++i)
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{
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iovp[i].iov_base = va_arg (argp, char *);
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iovp[i].iov_len = va_arg (argp, int);
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}
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#if defined (ACE_WIN32)
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ssize_t const result = ACE::recvv (this->read_handle (),
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iovp,
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total_tuples);
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#else
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ssize_t const result = ACE_OS::readv (this->read_handle (),
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iovp,
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total_tuples);
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#endif /* ACE_WIN32 */
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#if !defined (ACE_HAS_ALLOCA)
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delete [] iovp;
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#endif /* !defined (ACE_HAS_ALLOCA) */
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va_end (argp);
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return result;
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}
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ACE_END_VERSIONED_NAMESPACE_DECL
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