peerinfo.cpp

/*

 Copyright (c) 2011, Charles Smith
 All rights reserved.

 Redistribution and use in source and binary forms, with or without
 modification,
 are permitted provided that the following conditions are met:

    * Redistributions of source code must retain the above copyright notice,
 this
      list of conditions and the following disclaimer.
    * Redistributions in binary form must reproduce the above copyright notice,
 this
      list of conditions and the following disclaimer in the documentation
 and/or
      other materials provided with the distribution.
    * Neither the name of Vallona Networks nor the names of its contributors
      may be used to endorse or promote products derived from this software
 without
      specific prior written permission.

 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 DISCLAIMED.
 IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY
 DIRECT,
 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
 OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 ADVISED
 OF THE POSSIBILITY OF SUCH DAMAGE.

 */

#include <cstring>
#include <iostream>
#include <limits>
#include <string>

#include "beacon.h"
#include "globals.h"
#include "ip.h"
#include "peerinfo.h"
#include "saratoga.h"
#include "sarflags.h"
#include "screen.h"

using namespace std;

namespace saratoga {

peerinfo::peerinfo(sarnet::ip* addr, saratoga::beacon* b)
{
  _ip = *addr;
  _flags = b->flags();
  _freespace = b->freespace();
  _eid = b->eid();
  if ((addr == nullptr) || (b == nullptr))
    _ok = false;
  else
    _ok = true;
}

enum f_txwilling
peerinfo::txwilling()
{
  Ftxwilling txwilling(_flags);
  return (txwilling.get());
}

enum f_rxwilling
peerinfo::rxwilling()
{
  Frxwilling rxwilling(_flags);
  return (rxwilling.get());
}

saratoga::peerinfo*
peersinfo::add(sarnet::ip* addr, saratoga::beacon* b)
{
  peerinfo* p;

  for (std::list<peerinfo>::iterator i = _peers.begin(); i != _peers.end();
       i++) {
    if (i->straddr() == addr->straddr()) {
      // Erase it  then re-add it with new info
      i->zap();
      _peers.erase(i);
      break;
    }
  }
  // Add it then return
  p = new saratoga::peerinfo(addr, b);
  string ipstr = addr->straddr();
  if (p->ok()) {
    string eidstr = p->eid();
    _peers.push_back(*p);
    scr.debug(7, "peersinfo::add(): Adding peer %s %s", ipstr.c_str(),
              eidstr.c_str());
    return (p);
  }
  scr.error("peersinfo::add(): Cannot add peer %s", ipstr.c_str());
  return (nullptr);
}

string
peerinfo::print()
{
  string s = "";
  char tmp[256];

  if (!this->ok())
    return ("Invalid peer information");

  Fversion version(_flags);
  Fdescriptor descriptor(_flags);
  Fstream stream(_flags);
  Ftxwilling txwilling(_flags);
  Frxwilling rxwilling(_flags);
  Fudptype udptype(_flags);
  Ffreespace advertise(_flags);
  // Ffreespaced	freespacedesc(_flags);

  string version_str = "";
  string descriptor_str = "";
  string stream_str = "";
  string txwilling_str = "";
  string rxwilling_str = "";

  switch (version.get()) {
    case F_VERSION_0:
      version_str = "V0";
      break;
    case F_VERSION_1:
      version_str = "V1";
  }

  switch (descriptor.get()) {
    case F_DESCRIPTOR_16:
      descriptor_str = "16";
      break;
    case F_DESCRIPTOR_32:
      descriptor_str = "32";
      break;
    case F_DESCRIPTOR_64:
      descriptor_str = "64";
      break;
    case F_DESCRIPTOR_128:
#ifdef UINT128_T
      descriptor_str += "128";
#else
      descriptor_str += "128 not supported";
#endif
      break;
  }

  switch (stream.get()) {
    case F_STREAMS_NO:
      stream_str = "No";
      break;
    case F_STREAMS_YES:
      stream_str = "Yes";
      break;
  }

  switch (txwilling.get()) {
    case F_TXWILLING_NO:
      txwilling_str = "No";
      break;
    case F_TXWILLING_YES:
      txwilling_str = "Yes";
      break;
    case F_TXWILLING_CAPABLE:
      txwilling_str = "Cap";
      break;
    case F_TXWILLING_INVALID:
      txwilling_str = "???";
      break;
  }

  switch (rxwilling.get()) {
    case F_RXWILLING_NO:
      rxwilling_str = "No";
      break;
    case F_RXWILLING_YES:
      rxwilling_str = "Yes";
      break;
    case F_RXWILLING_CAPABLE:
      rxwilling_str = "Cap";
      break;
    case F_RXWILLING_INVALID:
      rxwilling_str = "???";
      break;
  }

  string addr = _ip.straddr();
  if (advertise.get() == F_FREESPACE_YES)
    sprintf(tmp, "Peer=%-40.40s\n  EID=%-50.50s\n  Ver=%-4.4s Des=%-4.4s "
                 "Streams=%-5.5s TxWill=%-5.5s RxWill=%-5.5s "
                 "Free(MB)=%-12" PRIu64 "\n",
            addr.c_str(), _eid.c_str(), version_str.c_str(),
            descriptor_str.c_str(), stream_str.c_str(), txwilling_str.c_str(),
            rxwilling_str.c_str(), _freespace / 1000);
  else
    sprintf(tmp, "Peer=%-40.40s\n  EID=%-50.50s\n  Ver=%-4.4s Des=%-4.4s "
                 "Streams=%-5.5s TxWill=%-5.5s RxWill=%-5.5s "
                 "Free(MB)=%-12.12s\n",
            addr.c_str(), _eid.c_str(), version_str.c_str(),
            descriptor_str.c_str(), stream_str.c_str(), txwilling_str.c_str(),
            rxwilling_str.c_str(), "Not Advert");
  s = tmp;
  return (s);
}
string
peersinfo::print()
{
  string s = "";

  for (std::list<peerinfo>::iterator i = _peers.begin(); i != _peers.end(); i++)
    s += i->print();
  return (s);
}

}; // Namespace saratoga