diff options
Diffstat (limited to 'TAO/orbsvcs/tests/AVStreams/mpeg/source/mpeg_server/Video_Server.h')
| -rw-r--r-- | TAO/orbsvcs/tests/AVStreams/mpeg/source/mpeg_server/Video_Server.h | 229 |
1 files changed, 0 insertions, 229 deletions
diff --git a/TAO/orbsvcs/tests/AVStreams/mpeg/source/mpeg_server/Video_Server.h b/TAO/orbsvcs/tests/AVStreams/mpeg/source/mpeg_server/Video_Server.h deleted file mode 100644 index 693990fd776..00000000000 --- a/TAO/orbsvcs/tests/AVStreams/mpeg/source/mpeg_server/Video_Server.h +++ /dev/null @@ -1,229 +0,0 @@ -/* -*- C++ -*- */ - - - -/* $Id$ */ - -/* Copyright (c) 1995 Oregon Graduate Institute of Science and Technology - * P.O.Box 91000-1000, Portland, OR 97291, USA; - * - * Permission to use, copy, modify, distribute, and sell this software and its - * documentation for any purpose is hereby granted without fee, provided that - * the above copyright notice appear in all copies and that both that - * copyright notice and this permission notice appear in supporting - * documentation, and that the name of O.G.I. not be used in advertising or - * publicity pertaining to distribution of the software without specific, - * written prior permission. O.G.I. makes no representations about the - * suitability of this software for any purpose. It is provided "as is" - * without express or implied warranty. - * - * O.G.I. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING - * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL - * O.G.I. BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY - * DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN - * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF - * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - * - * Author: Shanwei Cen - * Department of Computer Science and Engineering - * email: scen@cse.ogi.edu - */ - -#if !defined (MPEG_VIDEO_SERVER_H) -#define MPEG_VIDEO_SERVER_H - -#include "ace/Reactor.h" -#include "ace/Event_Handler.h" -#include "Globals.h" -#include "../mpeg_shared/fileio.h" -#include "../mpeg_shared/com.h" -#include "../include/common.h" -#include "../mpeg_shared/routine.h" -#include "../mpeg_shared/sendpt.h" -#include "proto.h" -#include "Video_Control_State.h" - -class Video_Control_Handler - : public virtual ACE_Event_Handler -{ - // =TITLE - // Defines the event handler class for the Video Control. - // - // =DESCRIPTION - // This class makes use of a TCP socket.It contains a pointer to - // the current state which is implemented using the state pattern. -public: - - Video_Control_Handler (int video_control_fd); - // Construct this handler with a control (TCP) fd - // %% use sock stream instead of fd - - virtual int handle_input (ACE_HANDLE fd = ACE_INVALID_HANDLE); - // Called when input events occur (e.g., connection or data). - - virtual ACE_HANDLE get_handle (void) const; - // Returns the handle used by the event_handler. - - Video_Control_State *get_state (void); - // Accessor for the state_ - - void change_state (Video_Control_State *state); - // Used to change the state - -private: - Video_Control_State *state_; - // State pattern - pointer to abstract State object - - ACE_HANDLE control_handle_; - -}; - -class Video_Control_Handler_Instance -{ - // =TITLE - // Defines a Video_Control_Handler_Instance class which is to be - // used as a singleton to give access to a Video_Control_Handler - // instance to the state pattern classes. - // - // =DESCRIPTION - // The Video_Control_Handler has to be set using the - // set_video_control_handler method. -public: - Video_Control_Handler_Instance (void); - - void set_video_control_handler (Video_Control_Handler *h); - - Video_Control_Handler *get_video_control_handler (void); -private: - Video_Control_Handler *video_control_handler_; -}; - -typedef ACE_TSS_Singleton <Video_Control_Handler_Instance, - ACE_SYNCH_MUTEX> VIDEO_CONTROL_HANDLER_INSTANCE; -// Video_Control_Handler instance singleton. - -class Video_Sig_Handler - : public virtual ACE_Event_Handler -{ - // =TITLE - // Defines a video signal handler class which registers itself with the - // default ACE_Reactor::instance () . Handles the - // SIGALRM signal. - // - // =DESCRIPTION - // This class contains a pointer to a Video_Control_Handler - // instance and decides the signal action depending on its state. - // An object of this class is used to periodically send the video - // frames to the client using the Video_Timer_Global class. -public: - Video_Sig_Handler (Video_Control_Handler *vch); - - virtual ACE_HANDLE get_handle (void) const; - - int register_handler (void); - // this will register this sig_handler - // with the reactor - - virtual int shutdown (ACE_HANDLE, - ACE_Reactor_Mask); - - virtual int handle_input (ACE_HANDLE); - - virtual int handle_signal (ACE_HANDLE signum, - siginfo_t * = 0, - ucontext_t* = 0); -private: - ACE_HANDLE handle_; - // my handle - - Video_Control_Handler *vch_; - // Pointer to the control handler, for accessing - // the current state of the server. -}; - - -class Video_Data_Handler - : public virtual ACE_Event_Handler -{ - // =TITLE - // Defines a event handler for video data using a datagram i.e UDP - // socket. - // - // =DESCRIPTION - // This takes a pointer to a Video_Control_Handler instance and - // reacts differently to the events based on the - // video_control_handler's state. -public: - Video_Data_Handler (int video_data_fd, - Video_Control_Handler *vch); - // Construct this handler with a data fd - - virtual int handle_input (ACE_HANDLE fd = ACE_INVALID_HANDLE); - // Called when input events occur (e.g., connection or data). - - virtual ACE_HANDLE get_handle (void) const; - // Get the handle used by this event handler - -private: - ACE_HANDLE data_handle_; - // my handle - - Video_Control_Handler *vch_; - // Pointer to the control handler, for accessing - // the current state of the server. - - -}; - -class Video_Server -{ - // =TITLE - // Defines a class that abstracts the functionality of a - // video_server. - // - // =DESCRIPTION - // This registers 3 event handlers with the ACE_Reactor::instance - // () ,namely a control,data and signal handlers. -public: - Video_Server (void); - // Default constructor - - Video_Server (int control_fd, - int data_fd, - int rttag, - int max_pkt_size); - // constructor taking the handles - - ~Video_Server (); - // Destructor - - int init (int control_fd, - int data_fd, - int rttag, - int max_pkt_size); - // initialize the Video Server. - - int register_handlers (void); - // register the handlers with the reactor - // and set the control_handler to the WAITING state - - static void on_exit_routine(void); - -private: - - ACE_Reactor* reactor_; - // alias Reactor ,points to ACE_Reactor::instance () - - Video_Data_Handler* data_handler_; - // Data Socket Event Handler - - Video_Control_Handler* control_handler_; - // Control Socket Event Handler - - Video_Sig_Handler *sig_handler_; - // signal handler for SIGALRM to periodically send the video frames - // to the client - -}; - -#endif // MPEG_VIDEO_SERVER_H |