73 lines
2.1 KiB
C++
73 lines
2.1 KiB
C++
#pragma once
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#include "NetworkBackend.h"
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#include <string>
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struct pcap;
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typedef struct pcap pcap_t;
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class PCapBackend : public NetworkBackend
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{
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public:
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PCapBackend(const std::string & interfaceName);
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virtual ~PCapBackend();
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// transmit a packet
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virtual void transmit(
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const int txlength, /* Frame length */
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uint8_t *txframe /* Pointer to the frame to be transmitted */
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);
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// receive a single packet, return size (>0) or missing (-1)
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virtual int receive(const int size, uint8_t * rxframe);
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// receive all pending packets (to the queue)
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virtual void update(const ULONG nExecutedCycles);
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// process pending packets
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virtual bool isValid();
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// get MAC for IPRAW (it is only supposed to handle addresses on the local network)
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virtual void getMACAddress(const uint32_t address, MACAddress & mac);
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// get interface name
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virtual const std::string & getInterfaceName();
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// global registry functions
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static void SetRegistryInterface(UINT slot, const std::string& name);
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static std::string GetRegistryInterface(UINT slot);
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/*
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These functions let the UI enumerate the available interfaces.
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First, tfe_enumadapter_open() is used to start enumeration.
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tfe_enum_adapter is then used to gather information for each adapter present
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on the system, where:
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ppname points to a pointer which will hold the name of the interface
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ppdescription points to a pointer which will hold the description of the interface
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For each of these parameters, new memory is allocated, so it has to be
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freed with lib_free().
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tfe_enumadapter_close() must be used to stop processing.
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Each function returns 1 on success, and 0 on failure.
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tfe_enumadapter() only fails if there is no more adpater; in this case,
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*ppname and *ppdescription are not altered.
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*/
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static int tfe_enumadapter_open(void);
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static int tfe_enumadapter(std::string & name, std::string & description);
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static int tfe_enumadapter_close(void);
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static const char * tfe_lib_version(void);
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static int tfe_is_npcap_loaded();
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private:
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const std::string m_interfaceName;
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pcap_t * m_tfePcapFP;
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};
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