77 lines
2.2 KiB
C++
77 lines
2.2 KiB
C++
#ifndef __PCAP_POSIX_H_
|
|
#define __PCAP_POSIX_H_
|
|
|
|
#ifdef __cplusplus
|
|
|
|
#include "icsneo/device/neodevice.h"
|
|
#include "icsneo/communication/driver.h"
|
|
#include "icsneo/api/eventmanager.h"
|
|
#include <string>
|
|
#include <pcap.h>
|
|
|
|
namespace icsneo {
|
|
|
|
class PCAP : public Driver {
|
|
public:
|
|
class PCAPFoundDevice {
|
|
public:
|
|
neodevice_t device;
|
|
std::vector<std::vector<uint8_t>> discoveryPackets;
|
|
};
|
|
|
|
static std::vector<PCAPFoundDevice> FindAll();
|
|
static std::string GetEthDevSerialFromMacAddress(uint8_t product, uint16_t macSerial);
|
|
static bool IsHandleValid(neodevice_handle_t handle);
|
|
|
|
PCAP(device_eventhandler_t err, neodevice_t& forDevice);
|
|
bool open();
|
|
bool isOpen();
|
|
bool close();
|
|
private:
|
|
char errbuf[PCAP_ERRBUF_SIZE] = { 0 };
|
|
neodevice_t& device;
|
|
uint8_t deviceMAC[6];
|
|
bool openable = true;
|
|
void readTask();
|
|
void writeTask();
|
|
|
|
class NetworkInterface {
|
|
public:
|
|
uint8_t uuid;
|
|
uint8_t macAddress[8];
|
|
std::string nameFromPCAP;
|
|
std::string descriptionFromPCAP;
|
|
std::string fullName;
|
|
pcap_t* fp = nullptr;
|
|
pcap_stat stats;
|
|
};
|
|
static std::vector<NetworkInterface> knownInterfaces;
|
|
NetworkInterface iface;
|
|
|
|
class EthernetPacket {
|
|
public: // Don't worry about endian when setting fields, this is all taken care of in getBytestream
|
|
EthernetPacket() {};
|
|
EthernetPacket(const std::vector<uint8_t>& bytestream);
|
|
EthernetPacket(const uint8_t* data, size_t size);
|
|
int loadBytestream(const std::vector<uint8_t>& bytestream);
|
|
std::vector<uint8_t> getBytestream() const;
|
|
uint8_t errorWhileDecodingFromBytestream = 0; // Not part of final bytestream, only for checking the result of the constructor
|
|
uint8_t destMAC[6] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
|
|
uint8_t srcMAC[6] = { 0x00, 0xFC, 0x70, 0xFF, 0xFF, 0xFF };
|
|
uint16_t etherType = 0xCAB1; // Big endian, Should be 0xCAB1 or 0xCAB2
|
|
uint32_t icsEthernetHeader = 0xAAAA5555; // Big endian, Should be 0xAAAA5555
|
|
// At this point in the packet, there is a 16-bit payload size, little endian
|
|
// This is calculated from payload size in getBytestream
|
|
uint16_t packetNumber = 0;
|
|
bool firstPiece = true; // These booleans make up a 16-bit bitfield, packetInfo
|
|
bool lastPiece = true;
|
|
bool bufferHalfFull = false;
|
|
std::vector<uint8_t> payload;
|
|
};
|
|
};
|
|
|
|
}
|
|
|
|
#endif // __cplusplus
|
|
|
|
#endif |