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-rw-r--r--TAO/orbsvcs/tests/AVStreams/Component_Switching/sender.h165
1 files changed, 165 insertions, 0 deletions
diff --git a/TAO/orbsvcs/tests/AVStreams/Component_Switching/sender.h b/TAO/orbsvcs/tests/AVStreams/Component_Switching/sender.h
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+++ b/TAO/orbsvcs/tests/AVStreams/Component_Switching/sender.h
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+/* -*- C++ -*- */
+// $Id$
+
+// ============================================================================
+//
+// = LIBRARY
+// TAO/orbsvcs/tests/AVStreams/Component_Switching
+//
+// = FILENAME
+// sender.h
+//
+// = DESCRIPTION
+// This application reads data from a file and sends it to s
+// receiver.
+//
+// = AUTHOR
+// Yamuna Krishnamurthy <yamuna@cs.wustl.edu>
+//
+// ============================================================================
+
+#include "Connection_Manager.h"
+#include "orbsvcs/AV/AVStreams_i.h"
+#include "orbsvcs/AV/Endpoint_Strategy.h"
+#include "orbsvcs/AV/Protocol_Factory.h"
+
+class Signal_Handler : public ACE_Event_Handler
+{
+ // TITLE
+ // This class Handles the SIGINT signal through the Reactor.
+ // Useful to gracefully release the process
+
+public:
+
+ Signal_Handler (void);
+
+ int handle_signal(int signum, siginfo_t*,ucontext_t*);
+ // Override this method to implement graceful shutdown.
+
+};
+
+
+class Sender_Callback : public TAO_AV_Callback
+{
+ // = TITLE
+ // Defines a class for the sender application callback.
+ //
+ // = DESCRIPTION
+ // This class overides the methods of the TAO_AV_Callback so the
+ // AVStreams can make upcalls to the application.
+
+public:
+
+ int handle_destroy (void);
+ /// Called when the sender has finished reading the file and wants
+ /// to close down the connection. Also called when the distributer
+ /// tears down the connection when it switches to a new sender.
+
+ ACE_CString &flowname (void);
+ void flowname (const ACE_CString &flowname);
+ /// Accessor methods for the flowname of the callback
+
+private:
+ ACE_CString flowname_;
+ /// Flowname of the callback.
+};
+
+class Sender_StreamEndPoint : public TAO_Client_StreamEndPoint
+{
+ // = TITLE
+ // Defines a sender stream endpoint.
+public:
+ int get_callback (const char *flowname,
+ TAO_AV_Callback *&callback);
+ /// Create the application callback and return its handle to
+ /// AVStreams for further application callbacks.
+
+ int set_protocol_object (const char *flowname,
+ TAO_AV_Protocol_Object *object);
+ /// Set protocol object corresponding to the transport protocol
+ /// chosen.
+
+ CORBA::Boolean handle_preconnect (AVStreams::flowSpec &flowspec);
+ /// Perform application specific actions before accepting new
+ /// connections.
+
+protected:
+ Sender_Callback callback_;
+ /// Application callback.
+};
+
+typedef TAO_AV_Endpoint_Reactive_Strategy_A
+ <Sender_StreamEndPoint,
+ TAO_VDev,
+ AV_Null_MediaCtrl>
+ SENDER_ENDPOINT_STRATEGY;
+
+class Sender
+{
+ /// = TITLE
+ // Sender Application.
+ //
+ // = DESCRIPTION
+ // Class is responsible for streaming (and pacing) data to a
+ // receiver.
+public:
+ Sender (void);
+ /// Constructor
+
+ ~Sender (void);
+ /// Destructor
+
+ void shut_down (void);
+
+ int init (int argc,
+ char **argv);
+ /// Method to initialize the various data components.
+
+ int pace_data (void);
+ /// Method to pace and send data from a file.
+
+ Connection_Manager &connection_manager (void);
+ /// Accessor to the connection manager.
+
+private:
+ int parse_args (int argc, char **argv);
+ /// Method to parse the command line arguments.
+
+ SENDER_ENDPOINT_STRATEGY endpoint_strategy_;
+ /// The endpoint strategy used by the sender.
+
+ TAO_MMDevice *sender_mmdevice_;
+ /// The sender MMDevice.
+
+ int frame_count_;
+ /// Number of frames sent.
+
+ ACE_CString filename_;
+ /// File from which data is read.
+
+ FILE *input_file_;
+ /// File handle of the file read from.
+
+ double frame_rate_;
+ /// Rate at which the data will be sent.
+
+ ACE_Message_Block mb_;
+ /// Message block into which data is read from a file and then sent.
+
+ ACE_CString sender_name_;
+ /// Name of this sender.
+
+ Connection_Manager connection_manager_;
+ /// Connection manager.
+
+ // int stream_count_;
+ /// Teh count of the number of streams that are active
+
+ Signal_Handler signal_handler_;
+ /// Reference to the signal handler.
+};
+
+
+
+
+