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/**
* server for a reactor based connection establishment test using HTBP
*
* $Id$
*/
#include "ace/Log_Msg.h"
#include "ace/HTBP/HTBP_Session.h"
#include "ace/HTBP/HTBP_Stream.h"
#include "ace/HTBP/HTBP_Addr.h"
#include "ace/SOCK_Acceptor.h"
#include "ace/SOCK_Stream.h"
#include "ace/Event_Handler.h"
#include "ace/Reactor.h"
#include "ace/Get_Opt.h"
#include "ace/OS_NS_stdio.h"
#include "ace/OS_NS_unistd.h"
#include "ace/OS_NS_sys_socket.h"
#include "ace/os_include/os_netdb.h"
unsigned port = 8088;
const ACE_TCHAR *notifier_file = 0;
int
parse_args (int argc, ACE_TCHAR *argv[])
{
ACE_Get_Opt get_opts (argc, argv, ACE_TEXT("o:p:"));
int c;
while ((c = get_opts ()) != -1)
switch (c)
{
case 'o':
notifier_file = get_opts.opt_arg();
break;
case 'p':
port = static_cast<unsigned>(ACE_OS::atoi (get_opts.opt_arg()));
break;
case '?':
default:
ACE_ERROR_RETURN ((LM_ERROR,
"usage: %s "
"-p port "
"\n",
argv [0]),
-1);
}
// Indicates successful parsing of the command line
return 0;
}
class Accept_Handler : public ACE_Event_Handler
{
public:
Accept_Handler (ACE_SOCK_Acceptor& a);
virtual ~Accept_Handler (void);
virtual int handle_input (ACE_HANDLE );
private:
ACE_SOCK_Acceptor& acceptor_;
ACE::HTBP::Channel *channels_[2];
};
class Stream_Handler : public ACE_Event_Handler
{
public:
Stream_Handler (ACE::HTBP::Stream &s);
virtual ~Stream_Handler ();
virtual int handle_input (ACE_HANDLE );
private:
ACE::HTBP::Stream &stream_;
};
Accept_Handler::Accept_Handler(ACE_SOCK_Acceptor &a)
:ACE_Event_Handler(),
acceptor_(a)
{
this->channels_[0] = this->channels_[1] = 0;
if (this->reactor() == 0)
this->reactor(ACE_Reactor::instance());
this->reactor()->register_handler (acceptor_.get_handle(),
this,
ACE_Event_Handler::ACCEPT_MASK);
}
Accept_Handler::~Accept_Handler()
{
this->reactor()->remove_handler (acceptor_.get_handle(),
ACE_Event_Handler::ACCEPT_MASK|
ACE_Event_Handler::DONT_CALL);
acceptor_.close();
}
int
Accept_Handler::handle_input (ACE_HANDLE h)
{
ACE::HTBP::Channel **ch = 0;
if (h == acceptor_.get_handle())
{
ACE_SOCK_Stream *sock = new ACE_SOCK_Stream;
acceptor_.accept(*sock);
ch = channels_[0] == 0 ? &channels_[0] :& channels_[1];
*ch = new ACE::HTBP::Channel(*sock);
this->reactor()->register_handler (sock->get_handle(),
this,
ACE_Event_Handler::READ_MASK);
return 0;
}
for (int i = 0; i < 2; i++)
if (channels_[i] && channels_[i]->get_handle() == h)
{
ch = &channels_[i];
break;
}
if (ch == 0)
ACE_ERROR_RETURN ((LM_ERROR,
ACE_TEXT ("(%P|%t) Server Accept_Handler::handle_input, ")
ACE_TEXT ("unknown handle %d\n") ,h),
-1);
int result = (*ch)->pre_recv();
if (result == 0)
{
this->reactor()->remove_handler (h,
ACE_Event_Handler::READ_MASK |
ACE_Event_Handler::DONT_CALL);
(*ch)->register_notifier(this->reactor());
ACE::HTBP::Session *session = (*ch)->session();
ACE::HTBP::Stream *stream = new ACE::HTBP::Stream(session);
ACE_Event_Handler *handler = session->handler();
if (handler == 0)
{
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("(%P|%t) Server Accept_Handler::handle_input ")
ACE_TEXT ("Creating new stream handler for %d\n"),
stream->get_handle()));
Stream_Handler *sh = new Stream_Handler(*stream);
session->handler (sh);
}
else
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("(%P|%t) Server Accept_Handler::handle_input ")
ACE_TEXT ("There is already a handler for %d\n"),
stream->get_handle()));
if ((*ch)->state() == ACE::HTBP::Channel::Data_Queued)
{
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("(%P|%t) Server Accept_Handler::handle_input\n"),
ACE_TEXT ("Issuing notification on handler\n")));
this->reactor()->notify (session->handler(),
ACE_Event_Handler::READ_MASK);
}
*ch = 0;
}
return 0;
}
Stream_Handler::Stream_Handler (ACE::HTBP::Stream &s)
:stream_(s)
{}
Stream_Handler::~Stream_Handler ()
{
}
int
Stream_Handler::handle_input (ACE_HANDLE h)
{
char buffer[1000];
ssize_t n = this->stream_.recv (buffer,1000);
if (n == -1)
ACE_ERROR_RETURN ((LM_ERROR,
ACE_TEXT ("(%P|%t) Server Stream_Handler::handle_input %p\n"),
ACE_TEXT ("recv")),
0);
buffer[n] = 0;
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("(%P|%t) Server Stream_Handler::handle_input ")
ACE_TEXT (" (%d) read %b:\n%C\n"),
h, n, buffer));
const char *tok_loc = ACE_OS::strstr (buffer, "goodbye");
if (tok_loc != 0)
this->reactor()->end_event_loop();
else
{
ACE::HTBP::Channel *ch = stream_.session()->outbound();
if (ch != 0)
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("(%P|%t) Server Stream_Handler::handle_input ")
ACE_TEXT ("Sending reply on %d\n"),
ch->ace_stream().get_handle()));
else
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("(%P|%t) Server Stream_Handler::handle_input ")
ACE_TEXT ("Can't send reply on nul channel\n")));
this->stream_.send ("Back atcha!",11);
}
return 0;
}
int
ACE_TMAIN (int argc, ACE_TCHAR * argv[])
{
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("(%P|%t) Server: ")
ACE_TEXT ("At start of main\n")));
ACE_OS::socket_init (ACE_WSOCK_VERSION);
if (parse_args (argc, argv) != 0)
return 1;
ACE_TCHAR host[MAXHOSTNAMELEN+1];
if (ACE_OS::hostname (host, MAXHOSTNAMELEN) != 0)
ACE_ERROR_RETURN ((LM_ERROR,
ACE_TEXT ("(%P|%t) Server failure: %p\n"),
ACE_TEXT ("hostname")),
1);
ACE_INET_Addr local (port, host);
local.addr_to_string (host, MAXHOSTNAMELEN);
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("(%P|%t) Server: ")
ACE_TEXT ("listening at %s\n"),
host));
ACE_SOCK_Acceptor acc (local, 1);
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("(%P|%t) Server: ")
ACE_TEXT ("opened listener\n")));
Accept_Handler handler (acc);
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("(%P|%t) Server: ")
ACE_TEXT ("server is ready\n")));
if (notifier_file != 0)
{
FILE *f = ACE_OS::fopen (notifier_file,ACE_TEXT("w+"));
const char *msg = "server ready";
ACE_OS::fwrite (msg,ACE_OS::strlen(msg),1,f);
ACE_OS::fclose (f);
}
ACE_Reactor::instance()->run_reactor_event_loop();
return 0;
}
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