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// -*- C++ -*-
//=============================================================================
/**
* @file HTTP_Server.h
*
* @author James Hu
*/
//=============================================================================
#ifndef HTTP_SERVER_H
#define HTTP_SERVER_H
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include "ace/Service_Config.h"
#include "ace/Service_Object.h"
#include "ace/Thread_Manager.h"
#include "ace/Acceptor.h"
#include "ace/LOCK_SOCK_Acceptor.h"
#include "ace/Task_T.h"
#include "ace/Asynch_IO.h"
#include "ace/svc_export.h"
#include "HTTP_Handler.h"
#include "ace/Synch_Traits.h"
#include "ace/Thread_Mutex.h"
#include "ace/Null_Mutex.h"
#include "ace/Global_Macros.h"
ACE_BEGIN_VERSIONED_NAMESPACE_DECL
// Forward declaration.
class ACE_Proactor;
ACE_END_VERSIONED_NAMESPACE_DECL
#if defined (ACE_HAS_THREAD_SAFE_ACCEPT)
typedef ACE_LOCK_SOCK_Acceptor<ACE_SYNCH_NULL_MUTEX> HTTP_SOCK_Acceptor;
#else
typedef ACE_LOCK_SOCK_Acceptor<ACE_SYNCH_MUTEX> HTTP_SOCK_Acceptor;
#endif /* ACE_HAS_THREAD_SAFE_ACCEPT */
typedef HTTP_SOCK_Acceptor HTTP_Acceptor;
/**
* @class HTTP_Server
*
* @brief This server is used to create HTTP Handlers for the Web
* server
*/
class ACE_Svc_Export HTTP_Server : public ACE_Service_Object
{
public:
/// Initialization
virtual int init (int argc, ACE_TCHAR *argv[]);
/// Exit hooks
virtual int fini ();
protected:
/// Thread Per Request implementation
virtual int thread_per_request (HTTP_Handler_Factory &factory);
/// Asynch Thread Pool implementation
virtual int asynch_thread_pool (void);
/// Synch Thread Pool implementation
virtual int synch_thread_pool (HTTP_Handler_Factory &factory);
private:
// James, comment these data members.
void parse_args (int argc, ACE_TCHAR **argv);
int port_;
int threads_;
int strategy_;
int backlog_;
int throttle_;
bool caching_;
ACE_Thread_Manager tm_;
HTTP_Acceptor acceptor_;
};
/**
* @class Synch_Thread_Pool_Task
*
* @brief Used to implement Synch Thread Pool
*
* Describe this and the others below.
* NOTE: this class was modified to make caching disabling possible
*/
class Synch_Thread_Pool_Task : public ACE_Task<ACE_NULL_SYNCH>
{
public:
Synch_Thread_Pool_Task (HTTP_Acceptor &acceptor,
ACE_Thread_Manager &tm,
int threads,
HTTP_Handler_Factory &factory);
virtual int svc ();
private:
HTTP_Acceptor &acceptor_;
HTTP_Handler_Factory &factory_;
};
/**
* @class Thread_Per_Request_Task
*
* @brief Used to implement Thread Per Request.
*
* Spawns a new thread for every new incoming connection. The
* handle below is the socket stream of the incoming connection.
* NOTE: this class was modified to make caching disabling possible
*/
class Thread_Per_Request_Task : public ACE_Task<ACE_NULL_SYNCH>
{
public:
Thread_Per_Request_Task (ACE_HANDLE handle,
ACE_Thread_Manager &tm,
int &grp_id,
HTTP_Handler_Factory &factory);
virtual int open (void *args = 0);
virtual int close (u_long);
virtual int svc ();
private:
ACE_HANDLE handle_;
int &grp_id_;
HTTP_Handler_Factory &factory_;
};
// This only works on Win32
#if defined (ACE_HAS_WIN32_OVERLAPPED_IO)
/**
* @class Asynch_Thread_Pool_Task
*
* @brief Used to implement Asynch Thread Pool
*
* The proactor below utilizes WaitForMultipleObjects.
*/
class Asynch_Thread_Pool_Task : public ACE_Task<ACE_NULL_SYNCH>
{
public:
Asynch_Thread_Pool_Task (ACE_Proactor &proactor,
ACE_Thread_Manager &tm);
virtual int svc ();
private:
ACE_Proactor &proactor_;
};
#endif /* ACE_HAS_WIN32_OVERLAPPED_IO */
ACE_SVC_FACTORY_DECLARE (HTTP_Server)
ACE_STATIC_SVC_DECLARE_EXPORT (ACE_Svc, HTTP_Server)
#endif /* HTTP_SERVER_H */
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