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// MEM_Connector.cpp
// $Id$
#include "ace/MEM_Connector.h"
ACE_RCSID(ace, MEM_Connector, "$Id$")
#if (ACE_HAS_POSITION_INDEPENDENT_POINTERS == 1)
#if !defined (__ACE_INLINE__)
#include "ace/MEM_Connector.inl"
#endif /* __ACE_INLINE__ */
ACE_BEGIN_VERSIONED_NAMESPACE_DECL
ACE_ALLOC_HOOK_DEFINE(ACE_MEM_Connector)
void
ACE_MEM_Connector::dump (void) const
{
#if defined (ACE_HAS_DUMP)
ACE_TRACE ("ACE_MEM_Connector::dump");
ACE_DEBUG ((LM_DEBUG, ACE_BEGIN_DUMP, this));
ACE_DEBUG ((LM_DEBUG, ACE_LIB_TEXT ("\n")));
ACE_DEBUG ((LM_DEBUG, ACE_END_DUMP));
#endif /* ACE_HAS_DUMP */
}
ACE_MEM_Connector::ACE_MEM_Connector (void)
: malloc_options_ (ACE_DEFAULT_BASE_ADDR, 0),
preferred_strategy_ (ACE_MEM_IO::Reactive)
{
ACE_TRACE ("ACE_MEM_Connector::ACE_MEM_Connector");
}
// Establish a connection.
ACE_MEM_Connector::ACE_MEM_Connector (ACE_MEM_Stream &new_stream,
const ACE_INET_Addr &remote_sap,
ACE_Time_Value *timeout,
const ACE_Addr &local_sap,
int reuse_addr,
int flags,
int perms)
: malloc_options_ (ACE_DEFAULT_BASE_ADDR, 0),
preferred_strategy_ (ACE_MEM_IO::Reactive)
{
ACE_TRACE ("ACE_MEM_Connector::ACE_MEM_Connector");
// This is necessary due to the weird inheritance relationships of
// ACE_MEM_Stream.
this->connect (new_stream,
remote_sap,
timeout,
local_sap,
reuse_addr,
flags,
perms);
}
int
ACE_MEM_Connector::connect (ACE_MEM_Stream &new_stream,
const ACE_INET_Addr &remote_sap,
ACE_Time_Value *timeout,
const ACE_Addr &local_sap,
int reuse_addr,
int flags,
int perms)
{
ACE_TRACE ("ACE_MEM_Connector::connect");
if (!this->address_.same_host (remote_sap))
ACE_ERROR_RETURN ((LM_ERROR,
ACE_LIB_TEXT ("(%P|%t) MEM_Connector can't connect ")
ACE_LIB_TEXT ("to %s:%d which is not a local endpoint ")
ACE_LIB_TEXT ("(local address is %s:%d)\n"),
ACE_TEXT_CHAR_TO_TCHAR (remote_sap.get_host_name ()),
remote_sap.get_port_number (),
ACE_TEXT_CHAR_TO_TCHAR (this->address_.get_host_name ()),
this->address_.get_port_number ()),
-1);
else
this->address_.set_port_number (remote_sap.get_port_number ());
ACE_SOCK_Stream temp_stream;
if (ACE_SOCK_Connector::connect (temp_stream,
this->address_.get_local_addr (),
timeout, local_sap,
reuse_addr, flags, perms) == -1)
ACE_ERROR_RETURN ((LM_DEBUG,
ACE_LIB_TEXT ("%p\n"),
ACE_LIB_TEXT ("ACE_MEM_Connector::connect")),
-1);
ACE_HANDLE new_handle = temp_stream.get_handle ();
new_stream.set_handle (new_handle);
new_stream.disable (ACE_NONBLOCK);
// Do not close the handle.
// now we should setup the mmap malloc.
ACE_TCHAR buf[MAXPATHLEN];
// @@ Need to handle timeout here.
ACE_INT16 server_strategy = ACE_MEM_IO::Reactive;
// Receive the signaling strategy theserver support.
if (ACE::recv (new_handle, &server_strategy,
sizeof (ACE_INT16)) == -1)
ACE_ERROR_RETURN ((LM_DEBUG,
ACE_LIB_TEXT ("ACE_MEM_Connector::connect error receiving strategy\n")),
-1);
// If either side don't support MT, we will not use it.
#if defined (ACE_WIN32) || !defined (_ACE_USE_SV_SEM)
if (! (this->preferred_strategy_ == ACE_MEM_IO::MT &&
server_strategy == ACE_MEM_IO::MT))
#endif /* ACE_WIN32 || !_ACE_USE_SV_SEM */
server_strategy = ACE_MEM_IO::Reactive;
if (ACE::send (new_handle, &server_strategy,
sizeof (ACE_INT16)) == -1)
ACE_ERROR_RETURN ((LM_DEBUG,
ACE_LIB_TEXT ("ACE_MEM_Connector::connect error sending strategy\n")),
-1);
ACE_INT16 buf_len;
// Byte-order is not a problem for this read.
if (ACE::recv (new_handle, &buf_len, sizeof (buf_len)) == -1)
ACE_ERROR_RETURN ((LM_DEBUG,
ACE_LIB_TEXT ("ACE_MEM_Connector::connect error receiving shm filename length\n")),
-1);
if (ACE::recv (new_handle, buf, buf_len) == -1)
ACE_ERROR_RETURN ((LM_DEBUG,
ACE_LIB_TEXT ("ACE_MEM_Connector::connect error receiving shm filename.\n")),
-1);
if (new_stream.init (buf,
static_cast<ACE_MEM_IO::Signal_Strategy> (server_strategy),
&this->malloc_options_) == -1)
return -1;
return 0;
}
ACE_END_VERSIONED_NAMESPACE_DECL
#endif /* ACE_HAS_POSITION_INDEPENDENT_POINTERS == 1 */
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