EMANE  1.2.1
ethernettransport.h
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33 
34 #ifndef ETHERNETTRANSPORT_HEADER_
35 #define ETHERNETTRANSPORT_HEADER_
36 
37 #include "emane/transport.h"
38 #include "emane/utils/netutils.h"
39 
40 #include <mutex>
41 #include <map>
42 
43 namespace EMANE
44 {
45  namespace Transports
46  {
47  namespace Ethernet
48  {
56  {
57  public:
59 
61 
62  protected:
63  virtual int parseFrame(const Utils::EtherHeader *pEthHeader,
64  EMANE::NEMId & dst,
65  std::uint8_t & dscp);
66 
67  virtual int verifyFrame(const void * buf, size_t len);
68 
69  void updateArpCache(const Utils::EtherHeader *pEthHeader, EMANE::NEMId nemId);
70 
71  void addEntry(const Utils::EtherAddr& addr, EMANE::NEMId nemId);
72 
74 
77 
78  private:
79  std::mutex mutex_;
80 
85  struct ltmacaddr
86  {
95  bool operator()(const Utils::EtherAddr& a1, const Utils::EtherAddr& a2) const
96  {
97  return memcmp(&a1, &a2, Utils::ETH_ALEN) < 0;
98  }
99  };
100 
101  using EthAddrMap = std::map<Utils::EtherAddr, EMANE::NEMId, ltmacaddr>;
102 
103  EthAddrMap macCache_;
104  };
105  }
106  }
107 }
108 
109 #endif //ETHERNETTRANSPORT_HEADER_
Base class for all transports.
Definition: transport.h:49
union EtherAddr dst
Definition: netutils.h:390
virtual int parseFrame(const Utils::EtherHeader *pEthHeader, EMANE::NEMId &dst, std::uint8_t &dscp)
The PlatformServiceProvider interface provides access to emulator services.
std::uint16_t NEMId
Definition: types.h:52
Definition of the ethernet frame address as an array of 6 bytes or set of 3 words.
Definition: netutils.h:422
EMANE::NEMId lookupArpCache(const Utils::EtherAddr *pEthAddr)
void addEntry(const Utils::EtherAddr &addr, EMANE::NEMId nemId)
const std::uint16_t ETH_ALEN
Ethernet hardware address length.
Definition: netutils.h:335
virtual int verifyFrame(const void *buf, size_t len)
EthernetTransport(EMANE::NEMId id, EMANE::PlatformServiceProvider *pPlatformService)
Definition of the ethernet frame header.
Definition: netutils.h:434
void updateArpCache(const Utils::EtherHeader *pEthHeader, EMANE::NEMId nemId)
Definition: agent.h:43