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/* -*- C++ -*- */
// $Id$
// ============================================================================
//
// = LIBRARY
// ORBSVCS AVStreams
//
// = FILENAME
// UDP.h
//
// = AUTHOR
// Yamuna Krishnamurthy <yamuna@cs.wustl.edu>
//
//
// ============================================================================
#ifndef TAO_AV_QOS_UDP_H
#define TAO_AV_QOS_UDP_H
#include "ace/pre.h"
#include "ace/config-all.h"
#if defined (ACE_HAS_RAPI) || defined (ACE_HAS_WINSOCK2_GQOS)
#include "ace/OS.h"
#include "ace/QoS/QoS_Session_Factory.h"
#include "ace/QoS/QoS_Decorator.h"
#include "ace/QoS/SOCK_Dgram_Mcast_QoS.h"
#include "orbsvcs/AV/Protocol_Factory.h"
class TAO_AV_Export TAO_AV_UDP_QoS_Factory : public TAO_AV_Transport_Factory
{
public:
TAO_AV_UDP_QoS_Factory (void);
virtual ~TAO_AV_UDP_QoS_Factory (void);
virtual int init (int argc, char *argv[]);
// Initialization hook.
virtual int match_protocol (const char *protocol_string);
virtual TAO_AV_Acceptor *make_acceptor (void);
virtual TAO_AV_Connector *make_connector (void);
};
class TAO_AV_UDP_QoS_Flow_Handler;
/**
* @class TAO_AV_UDP_QoS_Transport
*
* @brief A transport abstraction for udp sockets.
*
* Uses the ACE_SOCK_Dgram to send the data.
*/
class TAO_AV_UDP_QoS_Transport
:public TAO_AV_Transport
{
public:
TAO_AV_UDP_QoS_Transport (void);
TAO_AV_UDP_QoS_Transport (TAO_AV_UDP_QoS_Flow_Handler *handler);
virtual ~TAO_AV_UDP_QoS_Transport (void);
virtual int open (ACE_Addr *addr);
virtual int close (void);
virtual int mtu (void);
virtual ACE_Addr *get_peer_addr (void);
virtual int set_remote_address (const ACE_INET_Addr &address);
/// Write the complete Message_Block chain to the connection.
virtual ssize_t send (const ACE_Message_Block *mblk,
ACE_Time_Value *s = 0);
/// Write the contents of the buffer of length len to the connection.
virtual ssize_t send (const char *buf,
size_t len,
ACE_Time_Value *s = 0);
/// Write the contents of iovcnt iovec's to the connection.
virtual ssize_t send (const iovec *iov,
int iovcnt,
ACE_Time_Value *s = 0);
/// Read len bytes from into buf.
virtual ssize_t recv (char *buf,
size_t len,
ACE_Time_Value *s = 0);
/// Read len bytes from into buf using flags.
virtual ssize_t recv (char *buf,
size_t len,
int flags,
ACE_Time_Value *s = 0);
/// Read received data into the iovec buffers.
virtual ssize_t recv (iovec *iov,
int iovcnt,
ACE_Time_Value *s = 0);
protected:
TAO_AV_UDP_QoS_Flow_Handler *handler_;
ACE_Addr *addr_;
ACE_INET_Addr peer_addr_;
};
class TAO_AV_UDP_QoS_Flow_Handler
:public virtual TAO_AV_Flow_Handler,
public virtual ACE_Event_Handler
{
public:
/// Constructor.
TAO_AV_UDP_QoS_Flow_Handler (void);
/// Destructor.
~TAO_AV_UDP_QoS_Flow_Handler (void);
int open (ACE_Addr &address);
virtual TAO_AV_Transport *transport (void);
virtual int set_remote_address (ACE_Addr *address);
virtual ACE_HANDLE get_handle (void) const;
virtual int handle_input (ACE_HANDLE fd);
virtual int handle_timeout (const ACE_Time_Value &tv, const void *arg = 0);
virtual int change_qos (AVStreams::QoS);
/// Handles a QoS event. Right now, just
/// prints a message.
virtual int handle_qos (ACE_HANDLE fd);
ACE_SOCK_Dgram_Mcast_QoS *get_socket (void);
virtual ACE_Event_Handler* event_handler (void){ return this; }
virtual ACE_QoS_Session* qos_session (void);
virtual void qos_session (ACE_QoS_Session *qos_session);
int translate (ACE_Flow_Spec *ace_flow_spec,
CosPropertyService::Properties &qos_params);
int translate (CosPropertyService::Properties &qos_params,
ACE_Flow_Spec *ace_flow_spec);
void negotiator (AVStreams::Negotiator_ptr);
void endpoint (TAO_Base_StreamEndPoint *endpoint);
TAO_Base_StreamEndPoint* endpoint (void);
void flowspec_entry (TAO_FlowSpec_Entry *entry);
TAO_FlowSpec_Entry* flowspec_entry (void);
void av_core (TAO_AV_Core *avcore);
TAO_AV_Core* av_core (void);
protected:
TAO_AV_Core *av_core_;
ACE_INET_Addr peer_addr_;
ACE_SOCK_Dgram_Mcast_QoS qos_sock_dgram_;
ACE_QoS_Session *qos_session_;
TAO_FlowSpec_Entry *entry_;
TAO_Base_StreamEndPoint *endpoint_;
AVStreams::Negotiator_ptr negotiator_;
};
class TAO_AV_UDP_QoS_Acceptor
:public TAO_AV_Acceptor
{
public:
TAO_AV_UDP_QoS_Acceptor (void);
virtual ~TAO_AV_UDP_QoS_Acceptor (void);
virtual int open (TAO_Base_StreamEndPoint *endpoint,
TAO_AV_Core *av_core,
TAO_FlowSpec_Entry *entry,
TAO_AV_Flow_Protocol_Factory *factory,
TAO_AV_Core::Flow_Component flow_comp =
TAO_AV_Core::TAO_AV_DATA);
virtual int open_default (TAO_Base_StreamEndPoint *endpoint,
TAO_AV_Core *av_core,
TAO_FlowSpec_Entry *entry,
TAO_AV_Flow_Protocol_Factory *factory,
TAO_AV_Core::Flow_Component flow_comp =
TAO_AV_Core::TAO_AV_DATA);
virtual int open_i (ACE_INET_Addr *address);
virtual int close (void);
virtual int activate_svc_handler (TAO_AV_UDP_QoS_Flow_Handler *handler);
protected:
TAO_Base_StreamEndPoint *endpoint_;
TAO_FlowSpec_Entry *entry_;
TAO_AV_Flow_Protocol_Factory *flow_protocol_factory_;
ACE_QoS_Session *qos_session_;
ACE_QoS_Manager qos_manager_;
ACE_INET_Addr qos_acceptor_addr_;
};
class TAO_AV_UDP_QoS_Connector
:public TAO_AV_Connector
{
public:
TAO_AV_UDP_QoS_Connector (void);
~TAO_AV_UDP_QoS_Connector (void);
virtual int open (TAO_Base_StreamEndPoint *endpoint,
TAO_AV_Core *av_core,
TAO_AV_Flow_Protocol_Factory *factory);
virtual int connect (TAO_FlowSpec_Entry *entry,
TAO_AV_Transport *&transport,
TAO_AV_Core::Flow_Component flow_comp =
TAO_AV_Core::TAO_AV_DATA);
virtual int activate_svc_handler (TAO_AV_UDP_QoS_Flow_Handler *handler);
virtual int close (void);
int translate (CosPropertyService::Properties &qos_params,
ACE_Flow_Spec *ace_flow_spec);
protected:
TAO_Base_StreamEndPoint *endpoint_;
TAO_AV_Core *av_core_;
TAO_FlowSpec_Entry *entry_;
TAO_AV_Flow_Protocol_Factory *flow_protocol_factory_;
ACE_QoS_Session *qos_session_;
ACE_QoS_Manager qos_manager_;
};
// class TAO_AV_Export TAO_AV_UDP_Object : public TAO_AV_Protocol_Object
// {
// public:
// TAO_AV_UDP_Object (TAO_AV_Callback *callback,
// TAO_AV_Transport *transport = 0);
// virtual ~TAO_AV_UDP_Object (void);
// // Dtor
// virtual int handle_input (void);
// virtual int send_frame (ACE_Message_Block *frame,
// TAO_AV_frame_info *frame_info = 0);
// // send a data frame.
// virtual int send_frame (const iovec *iov,
// int iovcnt,
// TAO_AV_frame_info *frame_info = 0);
// virtual int destroy (void);
// // end the stream.
// private:
// ACE_Message_Block frame_;
// // Pre-allocated memory to receive the data...
// };
class TAO_AV_UDP_QoS_Flow_Factory : public TAO_AV_Flow_Protocol_Factory
{
public:
TAO_AV_UDP_QoS_Flow_Factory (void);
virtual ~TAO_AV_UDP_QoS_Flow_Factory (void);
virtual int init (int argc, char *argv[]);
// Initialization hook.
virtual int match_protocol (const char *flow_string);
TAO_AV_Protocol_Object* make_protocol_object (TAO_FlowSpec_Entry *entry,
TAO_Base_StreamEndPoint *endpoint,
TAO_AV_Flow_Handler *handler,
TAO_AV_Transport *transport);
};
/// Helper class to create qos sessions,
/// activate qos handlers and set qos
/// (For separation of concerns)
class TAO_AV_UDP_QoS_Session_Helper
{
public:
TAO_AV_UDP_QoS_Session_Helper (void);
~TAO_AV_UDP_QoS_Session_Helper (void);
/// Open a QoS Session with the specified address
ACE_QoS_Session* open_qos_session (TAO_AV_UDP_QoS_Flow_Handler *handler,
ACE_INET_Addr &addr);
/// Activate the QoS handler to receive QoS events
int activate_qos_handler (ACE_QoS_Session *qos_session,
TAO_AV_UDP_QoS_Flow_Handler *handler);
/// Set the required QoS for the session
int set_qos (ACE_Flow_Spec& ace_flow_spec,
TAO_AV_UDP_QoS_Flow_Handler *handler);
};
ACE_STATIC_SVC_DECLARE (TAO_AV_UDP_QoS_Flow_Factory)
ACE_FACTORY_DECLARE (TAO_AV, TAO_AV_UDP_QoS_Flow_Factory)
ACE_STATIC_SVC_DECLARE (TAO_AV_UDP_QoS_Factory)
ACE_FACTORY_DECLARE (TAO_AV, TAO_AV_UDP_QoS_Factory)
#if defined(__ACE_INLINE__)
#include "QoS_UDP.i"
#endif /* __ACE_INLINE__ */
#endif /* ACE_HAS_RAPI || ACE_HAS_WINSOCK2_GQOS */
#include "ace/post.h"
#endif /* TAO_AV_QOS_UDP_H */
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