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/*
** $Id: HA_Proactive_Status.cpp 91626 2010-09-07 10:59:20Z johnnyw $
**
** Example program from The ACE Programmer's Guide, Chapter 8.
** Copyright 2003 Addison-Wesley. All Rights Reserved.
*/
#include "HA_Proactive_Status.h"
#include "ace/Log_Msg.h"
#include "ace/Message_Block.h"
#include "ace/Proactor.h"
#include "ace/os_include/arpa/os_inet.h"
#if defined (ACE_HAS_WIN32_OVERLAPPED_IO) || defined (ACE_HAS_AIO_CALLS)
// Listing 1 code/ch08
void
HA_Proactive_Service::open (ACE_HANDLE h, ACE_Message_Block&)
{
this->handle (h);
if (this->reader_.open (*this) != 0 ||
this->writer_.open (*this) != 0 )
{
ACE_ERROR ((LM_ERROR, ACE_TEXT ("%p\n"),
ACE_TEXT ("HA_Proactive_Service open")));
delete this;
return;
}
ACE_Message_Block *mb = 0;
ACE_NEW_NORETURN (mb, ACE_Message_Block (1024));
if (this->reader_.read (*mb, mb->space ()) != 0)
{
ACE_ERROR ((LM_ERROR, ACE_TEXT ("%p\n"),
ACE_TEXT ("HA_Proactive_Service begin read")));
mb->release ();
delete this;
return;
}
// mb is now controlled by Proactor framework.
return;
}
// Listing 1
// Listing 2 code/ch08
void
HA_Proactive_Service::handle_read_stream
(const ACE_Asynch_Read_Stream::Result &result)
{
ACE_Message_Block &mb = result.message_block ();
if (!result.success () || result.bytes_transferred () == 0)
{
mb.release ();
delete this;
}
else
{
if (this->writer_.write (mb, mb.length ()) != 0)
{
ACE_ERROR ((LM_ERROR,
ACE_TEXT ("%p\n"),
ACE_TEXT ("starting write")));
mb.release ();
}
else
{
ACE_Message_Block *new_mb;
ACE_NEW_NORETURN (new_mb, ACE_Message_Block (1024));
this->reader_.read (*new_mb, new_mb->space ());
}
}
return;
}
// Listing 2
// Listing 3 code/ch08
void
HA_Proactive_Service::handle_write_stream
(const ACE_Asynch_Write_Stream::Result &result)
{
result.message_block ().release ();
return;
}
// Listing 3
// The network address check only works for BSD-ish systems. This
// sort of network number accessor should be added to ACE_INET_Addr
// at some point...
#if defined (ACE_WIN32)
int
HA_Proactive_Acceptor::validate_connection
(const ACE_Asynch_Accept::Result&,
const ACE_INET_Addr&,
const ACE_INET_Addr&)
{
return 0;
}
#else
// Listing 4 code/ch08
int
HA_Proactive_Acceptor::validate_connection (
const ACE_Asynch_Accept::Result&,
const ACE_INET_Addr& remote,
const ACE_INET_Addr& local)
{
struct in_addr *remote_addr =
reinterpret_cast<struct in_addr*> (remote.get_addr ());
struct in_addr *local_addr =
reinterpret_cast<struct in_addr*> (local.get_addr ());
if (inet_netof (*local_addr) == inet_netof (*remote_addr))
return 0;
return -1;
}
// Listing 4
#endif /* ACE_WIN32 */
int
ACE_TMAIN (int, ACE_TCHAR *[])
{
// Listing 5 code/ch08
ACE_INET_Addr listen_addr; // Set up with listen port
HA_Proactive_Acceptor aio_acceptor;
if (0 != aio_acceptor.open (listen_addr,
0, // bytes_to_read
0, // pass_addresses
ACE_DEFAULT_ASYNCH_BACKLOG,
1, // reuse_addr
0, // proactor
1)) // validate_new_connection
ACE_ERROR_RETURN ((LM_ERROR, ACE_TEXT ("%p\n"),
ACE_TEXT ("acceptor open")), 1);
// Listing 5
#if 0
// Listing 6 code/ch08
ACE_INET_Addr peer_addr; // Set up peer addr
ACE_Asynch_Connector<HA_Proactive_Service> aio_connect;
aio_connect.connect (peer_addr);
// Listing 6
#endif
// Listing 7 code/ch08
ACE_Proactor::instance ()->proactor_run_event_loop ();
// Listing 7
return 0;
}
#else
int
ACE_TMAIN (int, ACE_TCHAR *[])
{
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("This example requires asynchronous I/O support.\n")));
return 1;
}
#endif /* ACE_HAS_WIN32_OVERLAPPED_IO || ACE_HAS_AIO_CALLS */
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