RtpsDiscovery.h

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/*
 *
 *
 * Distributed under the OpenDDS License.
 * See: http://www.opendds.org/license.html
 */

#ifndef OPENDDS_RTPS_RTPSDISCOVERY_H
#define OPENDDS_RTPS_RTPSDISCOVERY_H


#include "dds/DCPS/DiscoveryBase.h"
#include "dds/DCPS/RTPS/GuidGenerator.h"
#include "dds/DCPS/RTPS/Spdp.h"
#include "dds/DCPS/Service_Participant.h"
#include "rtps_export.h"

#include "ace/Configuration.h"

#include "dds/DCPS/PoolAllocator.h"

#if !defined (ACE_LACKS_PRAGMA_ONCE)
#pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */

class DDS_TEST;

namespace OpenDDS {
namespace RTPS {

/**
 * @class RtpsDiscovery
 *
 * @brief Discovery Strategy class that implements RTPS discovery
 *
 * This class implements the Discovery interface for Rtps-based
 * discovery.
 *
 */
class OpenDDS_Rtps_Export RtpsDiscovery : public OpenDDS::DCPS::PeerDiscovery<Spdp> {
public:
  explicit RtpsDiscovery(const RepoKey& key);
  ~RtpsDiscovery();

  virtual OpenDDS::DCPS::AddDomainStatus add_domain_participant(
    DDS::DomainId_t domain,
    const DDS::DomainParticipantQos& qos);

  virtual bool supports_liveliness() const { return true; }

  virtual void signal_liveliness(const DDS::DomainId_t domain_id,
                                 const OpenDDS::DCPS::RepoId& part_id,
                                 DDS::LivelinessQosPolicyKind kind);

  // configuration parameters:

  ACE_Time_Value resend_period() const { return resend_period_; }
  void resend_period(const ACE_Time_Value& period) {
    resend_period_ = period;
  }

  u_short pb() const { return pb_; }
  void pb(u_short port_base) {
    pb_ = port_base;
  }

  u_short dg() const { return dg_; }
  void dg(u_short domain_gain) {
    dg_ = domain_gain;
  }

  u_short pg() const { return pg_; }
  void pg(u_short participant_gain) {
    pg_ = participant_gain;
  }

  u_short d0() const { return d0_; }
  void d0(u_short offset_zero) {
    d0_ = offset_zero;
  }

  u_short d1() const { return d1_; }
  void d1(u_short offset_one) {
    d1_ = offset_one;
  }

  u_short dx() const { return dx_; }
  void dx(u_short offset_two) {
    dx_ = offset_two;
  }

  unsigned char ttl() const { return ttl_; }
  void ttl(unsigned char time_to_live) {
    ttl_ = time_to_live;
  }

  OPENDDS_STRING sedp_local_address() const { return sedp_local_address_; }
  void sedp_local_address(const OPENDDS_STRING& mi) {
    sedp_local_address_ = mi;
  }

  bool sedp_multicast() const { return sedp_multicast_; }
  void sedp_multicast(bool sm) {
    sedp_multicast_ = sm;
  }

  OPENDDS_STRING multicast_interface() const { return multicast_interface_; }
  void multicast_interface(const OPENDDS_STRING& mi) {
    multicast_interface_ = mi;
  }

  OPENDDS_STRING default_multicast_group() const { return default_multicast_group_; }
  void default_multicast_group(const OPENDDS_STRING& group) {
    default_multicast_group_ = group;
  }

  typedef OPENDDS_VECTOR(OPENDDS_STRING) AddrVec;
  const AddrVec& spdp_send_addrs() const { return spdp_send_addrs_; }
  AddrVec& spdp_send_addrs() { return spdp_send_addrs_; }

private:
  ACE_Time_Value resend_period_;
  u_short pb_, dg_, pg_, d0_, d1_, dx_;
  unsigned char ttl_;
  bool sedp_multicast_;
  OPENDDS_STRING multicast_interface_, sedp_local_address_;
  OPENDDS_STRING default_multicast_group_;  /// FUTURE: handle > 1 group.
  AddrVec spdp_send_addrs_;

  /// Guids will be unique within this RTPS configuration
  GuidGenerator guid_gen_;

public:
  class Config : public Discovery::Config {
  public:
    int discovery_config(ACE_Configuration_Heap& cf);
  };

  class OpenDDS_Rtps_Export StaticInitializer {
  public:
    StaticInitializer();
  };

private:
  friend class ::DDS_TEST;
};

static RtpsDiscovery::StaticInitializer initialize_rtps;

typedef OpenDDS::DCPS::RcHandle<RtpsDiscovery> RtpsDiscovery_rch;

} // namespace RTPS
} // namespace OpenDDS

#endif /* OPENDDS_RTPS_RTPSDISCOVERY_H  */

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