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ICMPClient.cpp

//
// ICMPClient.cpp
//
// $Id: //poco/1.2/Net/src/ICMPClient.cpp#1 $
//
// Library: Net
// Package: ICMP
// Module:  ICMPClient
//
// Copyright (c) 2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// Permission is hereby granted, free of charge, to any person or organization
// obtaining a copy of the software and accompanying documentation covered by
// this license (the "Software") to use, reproduce, display, distribute,
// execute, and transmit the Software, and to prepare derivative works of the
// Software, and to permit third-parties to whom the Software is furnished to
// do so, all subject to the following:
// 
// The copyright notices in the Software and this entire statement, including
// the above license grant, this restriction and the following disclaimer,
// must be included in all copies of the Software, in whole or in part, and
// all derivative works of the Software, unless such copies or derivative
// works are solely in the form of machine-executable object code generated by
// a source language processor.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//


#include "Poco/Net/SocketAddress.h"
#include "Poco/Net/ICMPClient.h"
#include "Poco/Net/ICMPSocket.h"
#include "Poco/Net/NetException.h"
#include "Poco/Channel.h"
#include "Poco/Message.h"
#include "Poco/Exception.h"
#include <sstream>


using Poco::Channel;
using Poco::Message;
using Poco::InvalidArgumentException;
using Poco::NotImplementedException;
using Poco::TimeoutException;
using Poco::Exception;


namespace Poco {
namespace Net {


ICMPClient::ICMPClient(IPAddress::Family family): 
      _family(family)
{
}


00065 ICMPClient::~ICMPClient()
{
}


00070 int ICMPClient::ping(const std::string& address, int repeat) const
{
      if (repeat <= 0) return 0;

      SocketAddress addr(address, 0);
      return ping(addr, repeat);
}


00079 int ICMPClient::ping(SocketAddress& address, int repeat) const
{
      if (repeat <= 0) return 0;

      ICMPSocket icmpSocket(_family);
      SocketAddress returnAddress;

      ICMPEventArgs eventArgs(address, repeat, icmpSocket.dataSize(), icmpSocket.ttl());
      pingBegin.notify(this, eventArgs);

      for (int i = 0; i < repeat; ++i)
      {
            icmpSocket.sendTo(address);
            ++eventArgs;

            try
            {
                  int t = icmpSocket.receiveFrom(returnAddress);
                  eventArgs.setReplyTime(i, t);
                  pingReply.notify(this, eventArgs);
            }
            catch (TimeoutException&)
            {
                  std::ostringstream os;
                  os << address.host().toString() << ": Request timed out.";
                  eventArgs.setError(i, os.str());
                  pingError.notify(this, eventArgs);
                  continue;
            }
            catch (ICMPException& ex)
            {
                  std::ostringstream os;
                  os << address.host().toString() << ": " << ex.what();
                  eventArgs.setError(i, os.str());
                  pingError.notify(this, eventArgs);
                  continue;
            }
            catch (Exception& ex)
            {
                  std::ostringstream os;
                  os << ex.displayText();
                  eventArgs.setError(i, os.str());
                  pingError.notify(this, eventArgs);
                  continue;
            }
      }
      pingEnd.notify(this, eventArgs);
      return eventArgs.received();
}


00130 int ICMPClient::pingIPv4(const std::string& address, int repeat)
{
      if (repeat <= 0) return 0;

      SocketAddress a(address, 0);
      return ping(a, IPAddress::IPv4, repeat);
}


00139 int ICMPClient::ping(SocketAddress& address, IPAddress::Family family, int repeat)
{
      if (repeat <= 0) return 0;

      ICMPSocket icmpSocket(family);
      SocketAddress returnAddress;
      int received = 0;

      for (int i = 0; i < repeat; ++i)
      {
            icmpSocket.sendTo(address);
            try
            {
                  icmpSocket.receiveFrom(returnAddress);
                  ++received;
            }
            catch (TimeoutException&)
            {
            }
            catch (ICMPException&)
            {
            }
      }
      return received;
}


} } // namespace Poco::Net

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