ethernet_interface_info.h

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#ifndef ETHERNET_INTERFACE_INFO_H
#define ETHERNET_INTERFACE_INFO_H
 
#include <string>
#include <stdint.h>
 
#include <diagnostic_updater/DiagnosticStatusWrapper.h>
 
struct EthtoolStats
{
  EthtoolStats();
  uint64_t rx_errors_;
  uint64_t rx_crc_errors_;
  uint64_t rx_frame_errors_;
  uint64_t rx_align_errors_;
 
  EthtoolStats& operator-=(const EthtoolStats& right);
};
 
struct InterfaceState
{
  InterfaceState() : up_(false), running_(false) {}
  bool up_;
  bool running_;
};
 
class EthernetInterfaceInfo
{
public:
  EthernetInterfaceInfo();
  void initialize(const std::string &interface);
  ~EthernetInterfaceInfo();  
 
  void publishDiagnostics(diagnostic_updater::DiagnosticStatusWrapper &d);
 
protected:
  bool getEthtoolStats(EthtoolStats &stats);
 
  bool getInterfaceState(InterfaceState &state);
 
  std::string interface_;
  int sock_;
  unsigned n_stats_;
  char *ethtool_stats_buf_;
 
  // Indexes of statistics that come from ethtool ioctl
  // An index of -1 indicates that statistic is not available from network driver
  int rx_error_index_;
  int rx_crc_error_index_;
  int rx_frame_error_index_;
  int rx_align_error_index_;
 
 
  unsigned lost_link_count_;
 
  EthtoolStats orig_stats_;
  InterfaceState last_state_;
};
 
 
#endif //ETHERNET_INTERFACE_INFO_H