poco/Net/src/ICMPClient.cpp
Aleksandar Fabijanic c4e676d36d
Feature net udp (#2347)
* add PMTU discovery #2329

* add socket gather/scatter capabilities #2330 (win, udp)

* enable WSAPoll

* add FastMemoryPool

* add receiveFrom() with native args

* allow copying of StringTokenizer

* add AtomicFlag and SpinlockMutex

* update .gitignore

* UDPServer and client #2343 (windows)

* fix warnings

* fix warnings

* regenerate Net VS solutions

* regenerate CppUnit projects/solutions

* clang fixes

* gcc fixes

* try to fix travis

* more travis fixes

* more travis fixes

* handle UDPClient exception

* fix makefiles and init order warnings

* add UNIX gather/scatter sendto/recvfrom implementations and tests

* run travis tests as sudo

* try to run tests as sudo, 2nd attempt

* fix warning

* use mutex in reactor

* lock-order-inversion in SocketReactor #2346

* add PMTU discovery #2329 (linux)

* ICMPSocket does not check reply address #1921

* remove some ignored tests

* add PMTU discovery #2329 (reconcile logic with #1921)

* fix native receiveFrome()

* reinstate ignoring of proxy errors

* add testMTU to ignore list

* add include atomic

* NTPClient not checking reply address #2348

* some ICMP/MTU fixes

* UDPSocketReader cleanup

* resolve some socket inheritance warnings

* add NTP time sync to ignored tests

* SocketNotifier not thread-safe #2345

* prevent x64 samples build attempt for win32

* build TestApp and Library

* fix ICMP tests

* regen VS projects

* regen VS projects and add missing 2012 files

* remove debug prints
2018-06-02 14:02:33 -05:00

152 lines
3.1 KiB
C++

//
// ICMPClient.cpp
//
// Library: Net
// Package: ICMP
// Module: ICMPClient
//
// Copyright (c) 2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#include "Poco/Net/SocketAddress.h"
#include "Poco/Net/ICMPClient.h"
#include "Poco/Net/NetException.h"
#include "Poco/Channel.h"
#include "Poco/Message.h"
#include "Poco/Format.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(SocketAddress::Family family, int dataSize, int ttl, int timeout):
_family(family),
_dataSize(dataSize),
_ttl(ttl),
_timeout(timeout)
{
}
ICMPClient::~ICMPClient()
{
}
int ICMPClient::ping(const std::string& address, int repeat) const
{
if (repeat <= 0) return 0;
SocketAddress addr(address, 0);
return ping(addr, repeat);
}
int ICMPClient::ping(SocketAddress& address, int repeat) const
{
if (repeat <= 0) return 0;
ICMPSocket icmpSocket(_family, _dataSize, _ttl, _timeout);
ICMPEventArgs eventArgs(address, repeat, icmpSocket.dataSize(), icmpSocket.ttl());
pingBegin.notify(this, eventArgs);
for (int i = 0; i < repeat; ++i)
{
try
{
int sent = icmpSocket.sendTo(address);
if (icmpSocket.packetSize() == sent)
{
SocketAddress requestAddress(address);
++eventArgs;
int t = icmpSocket.receiveFrom(address);
poco_assert (address.host() == requestAddress.host());
eventArgs.setReplyTime(i, t);
pingReply.notify(this, eventArgs);
}
else
throw ICMPException(Poco::format("Error sending ICMP packet "
"(sent=%d, expected=%d)", sent, icmpSocket.packetSize()));
}
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.displayText();
eventArgs.setError(i, os.str());
pingError.notify(this, eventArgs);
continue;
}
catch (Exception& ex)
{
eventArgs.setError(i, ex.displayText());
pingError.notify(this, eventArgs);
continue;
}
}
pingEnd.notify(this, eventArgs);
return eventArgs.received();
}
int ICMPClient::pingIPv4(const std::string& address, int repeat,
int dataSize, int ttl, int timeout)
{
if (repeat <= 0) return 0;
SocketAddress a(address, 0);
return ping(a, IPAddress::IPv4, repeat, dataSize, ttl, timeout);
}
int ICMPClient::ping(SocketAddress& address,
IPAddress::Family family, int repeat,
int dataSize, int ttl, int timeout)
{
if (repeat <= 0) return 0;
ICMPSocket icmpSocket(family, dataSize, ttl, timeout);
int received = 0;
for (int i = 0; i < repeat; ++i)
{
try
{
SocketAddress requestAddress(address);
if (icmpSocket.sendTo(address) == icmpSocket.packetSize())
{
icmpSocket.receiveFrom(address);
poco_assert (address.host() == requestAddress.host());
++received;
}
}
catch (Exception&) { }
}
return received;
}
} } // namespace Poco::Net