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// MEM_Acceptor.cpp
// $Id$
#define ACE_BUILD_DLL
#include "ace/MEM_Acceptor.h"
#if defined (ACE_LACKS_INLINE_FUNCTIONS)
#include "ace/MEM_Acceptor.i"
#endif /* ACE_LACKS_INLINE_FUNCTIONS */
ACE_RCSID(ace, MEM_Acceptor, "$Id$")
ACE_ALLOC_HOOK_DEFINE(ACE_MEM_Acceptor)
void
ACE_MEM_Acceptor::dump (void) const
{
ACE_TRACE ("ACE_MEM_Acceptor::dump");
}
// Do nothing routine for constructor.
ACE_MEM_Acceptor::ACE_MEM_Acceptor (void)
: mmap_prefix_ (0)
{
ACE_TRACE ("ACE_MEM_Acceptor::ACE_MEM_Acceptor");
}
ACE_MEM_Acceptor::~ACE_MEM_Acceptor (void)
{
ACE_TRACE ("ACE_MEM_Acceptor::~ACE_MEM_Acceptor");
delete[] this->mmap_prefix_;
}
// General purpose routine for performing server ACE_SOCK creation.
ACE_MEM_Acceptor::ACE_MEM_Acceptor (const ACE_MEM_Addr &remote_sap,
int reuse_addr,
int backlog,
int protocol)
: mmap_prefix_ (0)
{
ACE_TRACE ("ACE_MEM_Acceptor::ACE_MEM_Acceptor");
if (this->open (remote_sap,
reuse_addr,
backlog,
protocol) == -1)
ACE_ERROR ((LM_ERROR,
"ACE_MEM_Acceptor::ACE_MEM_Acceptor"));
}
int
ACE_MEM_Acceptor::open (const ACE_MEM_Addr &remote_sap,
int reuse_addr,
int back_log,
int protocol)
{
ACE_TRACE ("ACE_MEM_Acceptor::open");
return this->ACE_SOCK_Acceptor::open (remote_sap.get_local_addr (),
reuse_addr,
PF_INET,
back_log,
protocol);
}
// General purpose routine for accepting new connections.
int
ACE_MEM_Acceptor::accept (ACE_MEM_Stream &new_stream,
ACE_MEM_Addr *remote_sap,
ACE_Time_Value *timeout,
int restart,
int reset_new_handle)
{
ACE_TRACE ("ACE_MEM_Acceptor::accept");
int *len_ptr = 0;
sockaddr *addr = 0;
int in_blocking_mode = 0;
if (this->shared_accept_start (timeout,
restart,
in_blocking_mode) == -1)
return -1;
else
{
do
new_stream.set_handle (ACE_OS::accept (this->get_handle (),
addr,
len_ptr));
while (new_stream.get_handle () == ACE_INVALID_HANDLE
&& restart != 0
&& errno == EINTR
&& timeout == 0);
if (remote_sap != 0)
{
ACE_INET_Addr temp (ACE_reinterpret_cast (sockaddr_in *, addr),
*len_ptr);
remote_sap->set_port_number(temp.get_port_number ());
}
}
if (this->shared_accept_finish (new_stream,
in_blocking_mode,
reset_new_handle) == -1)
return -1;
// Allocate 2 * MAXPATHLEN so we can accomodate the unique
// name that gets appended later
TCHAR buf [2 * MAXPATHLEN + 1];
ACE_INET_Addr local_addr;
if (new_stream.get_local_addr (local_addr) == -1)
return -1;
if (this->mmap_prefix_ != 0)
{
ACE_OS::sprintf (buf,
ACE_TEXT ("%s_%d_"),
this->mmap_prefix_,
local_addr.get_port_number ());
}
else
{
TCHAR name[25];
// - 24 is so we can append name to the end.
if (ACE::get_temp_dir (buf, MAXPATHLEN - 24) == -1)
{
ACE_ERROR ((LM_ERROR,
"Temporary path too long, "
"defaulting to current directory\n"));
buf[0] = 0;
}
ACE_OS::sprintf (name,
ACE_TEXT ("MEM_Acceptor_%d_"),
local_addr.get_port_number ());
ACE_OS::strcat (buf, name);
}
TCHAR unique [MAXPATHLEN];
ACE_OS::unique_name (&new_stream, unique, MAXPATHLEN);
ACE_OS::strcat (buf, unique);
// Make sure we have a fresh start.
ACE_OS::unlink (buf);
// Now set up the shared memory malloc pool.
if (new_stream.create_shm_malloc (buf, &this->malloc_options_) == -1)
return -1;
// @@ Need to handle timeout here.
ACE_UINT16 buf_len = (ACE_OS::strlen (buf) + 1) * sizeof (TCHAR);
ACE_HANDLE new_handle = new_stream.get_handle ();
// No need to worry about byte-order because both parties should always
// be on the same machine.
if (ACE::send (new_handle, &buf_len, sizeof (ACE_UINT16)) == -1)
return -1;
// Now send the pathname of the mmap file.
if (ACE::send (new_handle, buf, buf_len) == -1)
return -1;
return 0;
}
int
ACE_MEM_Acceptor::shared_accept_finish (ACE_MEM_Stream new_stream,
int in_blocking_mode,
int reset_new_handle) const
{
ACE_TRACE ("ACE_MEM_Acceptor::shared_accept_finish ()");
ACE_HANDLE new_handle = new_stream.get_handle ();
// Check to see if we were originally in blocking mode, and if so,
// set the <new_stream>'s handle and <this> handle to be in blocking
// mode.
if (in_blocking_mode)
{
// Save/restore errno.
ACE_Errno_Guard error (errno);
// Only disable ACE_NONBLOCK if we weren't in non-blocking mode
// originally.
ACE::clr_flags (this->get_handle (),
ACE_NONBLOCK);
ACE::clr_flags (new_handle,
ACE_NONBLOCK);
}
#if defined (ACE_HAS_WINSOCK2) && (ACE_HAS_WINSOCK2 != 0)
if (reset_new_handle)
// Reset the event association inherited by the new handle.
::WSAEventSelect ((SOCKET) new_handle, 0, 0);
#else
ACE_UNUSED_ARG (reset_new_handle);
#endif /* ACE_WIN32 */
if (new_handle == ACE_INVALID_HANDLE)
return -1;
return 0;
}
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