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// $Id$
#ifndef ACE_SERVER_LOGGING_HANDLERT_C
#define ACE_SERVER_LOGGING_HANDLERT_C
#define ACE_BUILD_SVC_DLL
#include "ace/OS.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include "ace/Get_Opt.h"
#include "Server_Logging_Handler_T.h"
ACE_RCSID(lib, Server_Logging_Handler_T, "$Id$")
#if !defined (ACE_LACKS_STATIC_DATA_MEMBER_TEMPLATES)
// Track number of requests.
template <ACE_PEER_STREAM_1, class COUNTER, ACE_SYNCH_DECL, class LMR>
COUNTER ACE_Server_Logging_Handler_T<ACE_PEER_STREAM_2, COUNTER, ACE_SYNCH_USE, LMR>::request_count_ = (COUNTER) 0;
#endif /* ACE_LACKS_STATIC_DATA_MEMBER_TEMPLATES */
template <ACE_PEER_STREAM_1, class COUNTER, ACE_SYNCH_DECL, class LMR>
ACE_Server_Logging_Handler_T<ACE_PEER_STREAM_2, COUNTER, ACE_SYNCH_USE, LMR>::ACE_Server_Logging_Handler_T
(ACE_Thread_Manager *,
LMR const &receiver)
// Initialize the CString to something that is not the empty string
// to avoid problems when calling fast_rep()
#if !defined (ACE_HAS_BROKEN_HPUX_TEMPLATES) && !defined (__GNUG__)
: receiver_ (receiver, ACE_CString (" ", 1))
#else
: receiver_ (receiver),
host_name_ (ACE_CString (" ", 1))
#endif /* ! ACE_HAS_BROKEN_HPUX_TEMPLATES && ! __GNUG__ */
{
}
// Callback routine for handling the reception of remote logging
// transmissions.
template <ACE_PEER_STREAM_1, class COUNTER, ACE_SYNCH_DECL, class LMR> int
ACE_Server_Logging_Handler_T<ACE_PEER_STREAM_2, COUNTER, ACE_SYNCH_USE, LMR>::handle_input (ACE_HANDLE)
{
int result = this->handle_logging_record ();
return result > 0 ? 0 : -1;
}
template <ACE_PEER_STREAM_1, class COUNTER, ACE_SYNCH_DECL, class LMR> const char *
ACE_Server_Logging_Handler_T<ACE_PEER_STREAM_2, COUNTER, ACE_SYNCH_USE, LMR>::host_name (void)
{
#if !defined (ACE_HAS_BROKEN_HPUX_TEMPLATES) && !defined (__GNUG__)
return this->receiver_.m_.fast_rep ();
#else
return this->host_name_.fast_rep ();
#endif /* ! ACE_HAS_BROKEN_HPUX_TEMPLATES && ! __GNUG__ */
}
template <ACE_PEER_STREAM_1, class COUNTER, ACE_SYNCH_DECL, class LMR> int
ACE_Server_Logging_Handler_T<ACE_PEER_STREAM_2, COUNTER, ACE_SYNCH_USE, LMR>::handle_logging_record (void)
{
ACE_INT32 length;
// We need to use the ol' two-read trick here since TCP sockets
// don't support framing natively. Note that the first call is just
// a "peek" -- we don't actually remove the data until the second
// call. Note that this code is portable as long as ACE_UNIT32 is
// always 32 bits on both the sender and receiver side.
switch (this->peer ().recv ((void *) &length,
sizeof length,
MSG_PEEK))
{
default:
case -1:
ACE_ERROR_RETURN ((LM_ERROR,
"%p at host %s\n",
"server logger",
this->host_name ()),
-1);
/* NOTREACHED */
case 0:
ACE_ERROR_RETURN ((LM_ERROR,
"closing log daemon at host %s\n",
this->host_name ()),
-1);
/* NOTREACHED */
case sizeof length:
{
ACE_Log_Record lp;
// Use ACE_NTOHL to get around bug in egcs 2.91.6x.
length = ACE_NTOHL (length);
#if !defined (ACE_LACKS_STATIC_DATA_MEMBER_TEMPLATES)
u_long count = ++this->request_count_;
ACE_DEBUG ((LM_DEBUG,
"request count = %d, length = %d\n",
count,
length));
#endif /* ACE_LACKS_STATIC_DATA_MEMBER_TEMPLATES */
// Perform the actual <recv> this time.
ssize_t n = this->peer ().recv_n ((void *) &lp,
length);
if (n != length)
ACE_ERROR_RETURN ((LM_ERROR,
"%d != %d, %p at host %s\n",
n,
length,
"server logger",
this->host_name ()),
-1);
lp.decode ();
if (lp.length () == n)
{
// Send the log record to the log message receiver for
// processing.
ostream *orig_ostream = ACE_Log_Msg::instance ()->msg_ostream ();
receiver ().log_record (this->host_name (),
lp);
receiver ().log_output (this->host_name (),
lp,
orig_ostream);
}
else
ACE_ERROR ((LM_ERROR,
"error, lp.length = %d, n = %d\n",
lp.length (),
n));
return n;
}
}
ACE_NOTREACHED (return -1;)
}
// Hook called by Server_Logging_Acceptor when connection is
// established.
template <ACE_PEER_STREAM_1, class COUNTER, ACE_SYNCH_DECL, class LMR> int
ACE_Server_Logging_Handler_T<ACE_PEER_STREAM_2, COUNTER, ACE_SYNCH_USE, LMR>::open_common (void)
{
// Shut off non-blocking IO if it was enabled...
if (this->peer ().disable (ACE_NONBLOCK) == -1)
ACE_ERROR_RETURN ((LM_ERROR,
"%p\n",
"disable"),
-1);
ACE_PEER_STREAM_ADDR client_addr;
// Determine the address of the client and display it.
if (this->peer ().get_remote_addr (client_addr) == -1)
ACE_ERROR_RETURN ((LM_ERROR,
"%p\n",
"get_remote_addr"),
-1);
#if !defined (ACE_HAS_BROKEN_HPUX_TEMPLATES) && !defined (__GNUG__)
this->receiver_.m_ = ACE_CString (client_addr.get_host_name (),
MAXHOSTNAMELEN + 1);
#else
this->host_name_ = ACE_CString (client_addr.get_host_name (),
MAXHOSTNAMELEN + 1);
#endif /* ! ACE_HAS_BROKEN_HPUX_TEMPLATES && ! __GNUG__ */
ACE_DEBUG ((LM_DEBUG,
"(%t) accepted connection from host %s on fd %d\n",
client_addr.get_host_name (),
this->peer ().get_handle ()));
return 0;
}
template<class SLH, class LMR, class SST>
ACE_Server_Logging_Acceptor_T<SLH, LMR, SST>::ACE_Server_Logging_Acceptor_T (void)
{
}
template<class SLH, class LMR, class SST> LMR &
ACE_Server_Logging_Acceptor_T<SLH, LMR, SST>::receiver (void)
{
return receiver_;
}
template<class SLH, class LMR, class SST> SST &
ACE_Server_Logging_Acceptor_T<SLH, LMR, SST>::scheduling_strategy (void)
{
#if !defined (ACE_HAS_BROKEN_HPUX_TEMPLATES) && !defined (__GNUG__)
return receiver_.m_;
#else
return schedule_strategy_;
#endif /* ! ACE_HAS_BROKEN_HPUX_TEMPLATES && ! __GNUG__ */
}
template<class SLH, class LMR, class SST> int
ACE_Server_Logging_Acceptor_T<SLH, LMR, SST>::init (int argc, char *argv[])
{
ACE_TRACE ("ACE_Server_Logging_Acceptor<SLH, LMR, SST>::init");
// Use the options hook to parse the command line arguments and set
// options.
this->parse_args (argc, argv);
// Set the acceptor endpoint into listen mode (use the Singleton
// global Reactor...).
if (this->open (this->service_addr_,
ACE_Reactor::instance (),
0, 0, 0,
&this->scheduling_strategy(),
"Logging Server",
"ACE logging service") == -1)
ACE_ERROR_RETURN ((LM_ERROR,
"%n: %p on port %d\n",
"acceptor::open failed",
this->service_addr_.get_port_number ()),
-1);
// Ignore SIGPIPE so that each <SVC_HANDLER> can handle this on its
// own.
ACE_Sig_Action sig (ACE_SignalHandler (SIG_IGN), SIGPIPE);
ACE_UNUSED_ARG (sig);
ACE_INET_Addr server_addr;
// Figure out what port we're really bound to.
if (this->acceptor ().get_local_addr (server_addr) == -1)
ACE_ERROR_RETURN ((LM_ERROR,
"%p\n",
"get_local_addr"),
-1);
ACE_DEBUG ((LM_DEBUG,
"starting up Logging Server at port %d on handle %d\n",
server_addr.get_port_number (),
this->acceptor ().get_handle ()));
return 0;
}
template<class SLH, class LMR, class SST> int
ACE_Server_Logging_Acceptor_T<SLH, LMR, SST>::parse_args (int argc, char *argv[])
{
ACE_TRACE ("ACE_Server_Logging_Acceptor<SLH, LMR, SST>::parse_args");
this->service_port_ = ACE_DEFAULT_SERVER_PORT;
ACE_LOG_MSG->open ("Logging Service");
ACE_Get_Opt get_opt (argc, argv, "p:", 0);
for (int c; (c = get_opt ()) != -1; )
{
switch (c)
{
case 'p':
this->service_port_ = ACE_OS::atoi (get_opt.optarg);
break;
default:
ACE_ERROR_RETURN ((LM_ERROR,
"%n:\n[-p server-port]\n%a", 1),
-1);
}
}
this->service_addr_.set (this->service_port_);
return 0;
}
template<class SLH, class LMR, class SST> int
ACE_Server_Logging_Acceptor_T<SLH, LMR, SST>::make_svc_handler (SLH *&handler)
{
ACE_NEW_RETURN (handler,
SLH (ACE_Thread_Manager::instance (),
this->receiver()),
-1);
return 0;
}
template<class LMR>
ACE_Server_Logging_Handler<LMR>::ACE_Server_Logging_Handler (ACE_Thread_Manager * tm,
LMR const& receiver)
: ACE_Server_Logging_Handler_T<LOGGING_PEER_STREAM, u_long, ACE_NULL_SYNCH, LMR>(tm,
receiver)
{
}
template<class LMR>
ACE_Server_Logging_Handler<LMR>::ACE_Server_Logging_Handler(ACE_Thread_Manager * tm)
: ACE_Server_Logging_Handler_T<LOGGING_PEER_STREAM, u_long, ACE_NULL_SYNCH, LMR>(tm, LMR())
{
}
template<class LMR> int
ACE_Server_Logging_Handler<LMR>::open (void *)
{
// call base class open_common
if (this->open_common () != 0)
return -1;
// Register ourselves with the Reactor to enable subsequent
// dispatching.
if (ACE_Reactor::instance ()->register_handler
(this, ACE_Event_Handler::READ_MASK) == -1)
return -1;
return 0;
}
template<class LMR>
ACE_Thr_Server_Logging_Handler<LMR>::ACE_Thr_Server_Logging_Handler (ACE_Thread_Manager *tm, LMR const &receiver)
: ACE_Server_Logging_Handler_T<LOGGING_PEER_STREAM, ACE_LOGGER_COUNTER, ACE_LOGGER_SYNCH, LMR>(tm, receiver)
{
}
template<class LMR>
ACE_Thr_Server_Logging_Handler<LMR>::ACE_Thr_Server_Logging_Handler (ACE_Thread_Manager *tm)
: ACE_Server_Logging_Handler_T<LOGGING_PEER_STREAM, ACE_LOGGER_COUNTER, ACE_LOGGER_SYNCH, LMR>(tm, LMR ())
{
}
template<class LMR> int
ACE_Thr_Server_Logging_Handler<LMR>::open (void *)
{
// call base class open_common
if (this->open_common () != 0)
return -1;
// Spawn a new thread of control to handle logging records with the
// client using a thread-per-connection concurrency model. Note
// that this implicitly uses the <ACE_Thread_Manager::instance> to
// control all the threads.
if (this->activate (THR_BOUND | THR_DETACHED) == -1)
ACE_ERROR_RETURN ((LM_ERROR,
"%p\n",
"spawn"),
-1);
return 0;
}
// Process remote logging records.
template<class LMR> int
ACE_Thr_Server_Logging_Handler<LMR>::svc (void)
{
int result = 0;
// Loop until the client terminates the connection or an error occurs.
while ((result = this->handle_input ()) > 0)
continue;
return result;
}
#endif /* ACE_SERVER_LOGGING_HANDLER_TT_C */
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