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/* -*- C++ -*- */
// $Id$
// ============================================================================
//
// = LIBRARY
// ace
//
// = FILENAME
// Server_Logging_Handler.h
//
// = AUTHOR
// Doug Schmidt
//
// ============================================================================
#if !defined (ACE_SERVER_LOGGING_HANDLER_H)
#define ACE_SERVER_LOGGING_HANDLER_H
#include "ace/Synch.h"
#include "ace/TLI_Acceptor.h"
#include "ace/SOCK_Acceptor.h"
#include "ace/Acceptor.h"
template <ACE_PEER_STREAM_1, class COUNTER, ACE_SYNCH_1>
class ACE_Server_Logging_Handler : public ACE_Svc_Handler<ACE_PEER_STREAM_2, ACE_SYNCH_2>
{
// = TITLE
// Product object created by an <ACE_Server_Logging_Acceptor>. An
// <ACE_Server_Logging_Handler> receives, frames, and processes logging
// records.
//
// = DESCRIPTION
// Defines the classes that perform server logging daemon
// functionality.
public:
ACE_Server_Logging_Handler (ACE_Thread_Manager * = 0);
// Constructor.
virtual int open (void * = 0);
// Hook called by <Server_Logging_Acceptor> when connection is
// established.
virtual int handle_input (ACE_HANDLE = ACE_INVALID_HANDLE);
// Process remote logging records.
protected:
int handle_logging_record (void);
// Receive the logging record from a client.
#if !defined (ACE_LACKS_STATIC_DATA_MEMBER_TEMPLATES)
static COUNTER request_count_;
// Count the number of logging records that arrive.
#endif /* ACE_LACKS_STATIC_DATA_MEMBER_TEMPLATES */
char host_name_[MAXHOSTNAMELEN + 1];
// Name of the host we are connected to.
ACE_SYNCH_MUTEX_T *lock_;
// Reference to the lock used to serialize output.
};
#if !defined (ACE_HAS_TLI)
#define LOGGING_PEER_ACCEPTOR ACE_SOCK_ACCEPTOR
#define LOGGING_PEER_STREAM ACE_SOCK_STREAM
#else /* use sockets */
#define LOGGING_PEER_ACCEPTOR ACE_TLI_ACCEPTOR
#define LOGGING_PEER_STREAM ACE_TLI_STREAM
#endif /* ACE_HAS_TLI */
typedef ACE_Server_Logging_Handler<LOGGING_PEER_STREAM, u_long, ACE_NULL_SYNCH>
SERVER_LOGGING_HANDLER;
class ACE_Server_Logging_Acceptor : public ACE_Strategy_Acceptor<SERVER_LOGGING_HANDLER, LOGGING_PEER_ACCEPTOR>
// = TITLE
// This class implements the ACE single-threaded logging service.
//
// = DESCRIPTION
// This class contains the service-specific methods that can't
// easily be factored into the <ACE_Strategy_Acceptor>.
{
public:
virtual int init (int argc, char *argv[]);
// Dynamic linking hook.
protected:
int parse_args (int argc, char *argv[]);
// Parse svc.conf arguments.
private:
ACE_Schedule_All_Reactive_Strategy<SERVER_LOGGING_HANDLER> scheduling_strategy_;
// The scheduling strategy is designed for Reactive services.
};
#if !defined (ACE_HAS_THREADS)
typedef u_long COUNTER;
#define ACE_LOGGER_SYNCH ACE_NULL_SYNCH
#else
typedef ACE_Atomic_Op <ACE_Thread_Mutex, u_long> COUNTER;
#define ACE_LOGGER_SYNCH ACE_MT_SYNCH
#endif /* ACE_HAS_THREADS */
class ACE_Svc_Export ACE_Thr_Server_Logging_Handler : public ACE_Server_Logging_Handler<LOGGING_PEER_STREAM, COUNTER, ACE_LOGGER_SYNCH>
// = TITLE
// Product object created by a <ACE_Thr_Server_Logging_Acceptor>. An
// <ACE_Thr_Server_Logging_Handler> receives, frames, and processes
// logging records.
//
// = DESCRIPTION
// Each client is handled in its own separate thread.
{
public:
ACE_Thr_Server_Logging_Handler (ACE_Thread_Manager * = 0,
ACE_SYNCH_MUTEX * = 0);
virtual int open (void * = 0);
// Override activation definition in the ACE_Svc_Handler class (will
// spawn a new thread if we've got threads).
virtual int svc (void);
// Process remote logging records.
};
class ACE_Thr_Server_Logging_Acceptor : public ACE_Strategy_Acceptor<ACE_Thr_Server_Logging_Handler, LOGGING_PEER_ACCEPTOR>
// = TITLE
// This class implements the ACE multi-threaded logging service.
//
// = DESCRIPTION
// This class contains the service-specific methods that can't
// easily be factored into the <ACE_Strategy_Acceptor>.
{
public:
virtual int init (int argc, char *argv[]);
// Dynamic linking hook.
int parse_args (int argc, char *argv[]);
// Parse svc.conf arguments.
virtual int make_svc_handler (ACE_Thr_Server_Logging_Handler *&);
// Factory that creates a new <SERVER_LOGGING_HANDLER>. We need to
// specialize this since the <lock_> held by this Acceptor must be
// passed into the <SERVER_LOGGING_HANDLER>.
private:
ACE_SYNCH_MUTEX lock_;
// Lock used to serialize output by the various
// <ACE_Server_Logging_Handler>'s.
ACE_Schedule_All_Threaded_Strategy<ACE_Thr_Server_Logging_Handler> scheduling_strategy_;
// The scheduling strategy is designed for multi-threaded services.
};
ACE_SVC_FACTORY_DECLARE (ACE_Server_Logging_Acceptor)
ACE_SVC_FACTORY_DECLARE (ACE_Thr_Server_Logging_Acceptor)
#endif /* ACE_SERVER_LOGGING_HANDLER_H */
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