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c4e676d36d
* 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
92 lines
2.3 KiB
C++
92 lines
2.3 KiB
C++
//
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// ICMPPacket.h
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//
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// Library: Net
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// Package: ICMP
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// Module: ICMPPacket
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//
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// Definition of the ICMPPacket class.
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//
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// Copyright (c) 2006, Applied Informatics Software Engineering GmbH.
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// and Contributors.
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//
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// SPDX-License-Identifier: BSL-1.0
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//
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#ifndef Net_ICMPPacket_INCLUDED
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#define Net_ICMPPacket_INCLUDED
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#include "Poco/Foundation.h"
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#include "Poco/Net/Socket.h"
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#include "Poco/Net/ICMPPacketImpl.h"
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namespace Poco {
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namespace Net {
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class Net_API ICMPPacket
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/// This class is the ICMP packet abstraction.
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{
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public:
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ICMPPacket(SocketAddress::Family family, int dataSize = 48);
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/// Creates an ICMPPacket of specified family.
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~ICMPPacket();
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/// Destroys the ICMPPacket.
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const Poco::UInt8* packet();
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/// Returns raw ICMP packet. ICMP header and data are included in the returned packet.
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int packetSize() const;
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/// Returns the total length of packet (header + data);
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Poco::UInt16 sequence() const;
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/// Returns the most recent sequence number generated.
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void setDataSize(int dataSize);
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/// Sets data size.
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int getDataSize() const;
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/// Returns data size.
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int maxPacketSize() const;
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/// Returns the total length of packet (header + data);
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struct timeval time(Poco::UInt8* buffer = 0, int length = 0) const;
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/// Returns current epoch time if either buffer or length are equal to zero.
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/// Otherwise, it extracts the time value from the supplied buffer and
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/// returns the extracted value.
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///
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/// Supplied buffer includes IP header, ICMP header and data.
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bool validReplyID(Poco::UInt8* buffer, int length) const;
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/// Returns true if the extracted id is recognized
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/// (equals the process id).
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///
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/// Supplied buffer includes IP header, ICMP header and data.
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std::string errorDescription(Poco::UInt8* buffer, int length, int& type, int& code);
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/// Returns error description string.
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/// If supplied buffer contains an ICMP echo reply packet, an
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/// empty string is returned indicating the absence of error.
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/// If type and code of the error can be determined, they are
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/// assigned to the type and code respectively.
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///
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/// Supplied buffer includes IP header, ICMP header and data.
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std::string typeDescription(int typeId);
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/// Returns the description of the packet type.
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private:
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ICMPPacketImpl* _pImpl;
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};
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} } // namespace Poco::Net
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#endif // Net_ICMPPacket_INCLUDED
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