statistics.c

#include "types.h"
#include <stdio.h>

#ifdef DDHCPD_STATISTICS

ATTR_NONNULL_ALL void statistics_show(int fd, uint8_t reset, ddhcp_config* config) {
  dprintf(fd, "mcast.recv_pkg %li\n", config->statistics[STAT_MCAST_RECV_PKG]);
  dprintf(fd, "mcast.send_pkg %li\n", config->statistics[STAT_MCAST_SEND_PKG]);
  dprintf(fd, "mcast.recv_byte %li\n", config->statistics[STAT_MCAST_RECV_BYTE]);
  dprintf(fd, "mcast.send_byte %li\n", config->statistics[STAT_MCAST_SEND_BYTE]);
  dprintf(fd, "mcast.send_updateclaim %li\n", config->statistics[STAT_MCAST_SEND_UPDATECLAIM]);
  dprintf(fd, "mcast.recv_updateclaim %li\n", config->statistics[STAT_MCAST_RECV_UPDATECLAIM]);
  dprintf(fd, "mcast.send_inquire %li\n", config->statistics[STAT_MCAST_SEND_INQUIRE]);
  dprintf(fd, "mcast.recv_inquire %li\n", config->statistics[STAT_MCAST_RECV_INQUIRE]);
  dprintf(fd, "direct.recv_pkg %li\n", config->statistics[STAT_DIRECT_RECV_PKG]);
  dprintf(fd, "direct.send_pkg %li\n", config->statistics[STAT_DIRECT_SEND_PKG]);
  dprintf(fd, "direct.recv_byte %li\n", config->statistics[STAT_DIRECT_RECV_BYTE]);
  dprintf(fd, "direct.send_byte %li\n", config->statistics[STAT_DIRECT_SEND_BYTE]);
  dprintf(fd, "direct.recv_renewlease %li\n", config->statistics[STAT_DIRECT_RECV_RENEWLEASE]);
  dprintf(fd, "direct.send_renewlease %li\n", config->statistics[STAT_DIRECT_SEND_RENEWLEASE]);
  dprintf(fd, "direct.recv_leaseack %li\n", config->statistics[STAT_DIRECT_RECV_LEASEACK]);
  dprintf(fd, "direct.send_leaseack %li\n", config->statistics[STAT_DIRECT_SEND_LEASEACK]);
  dprintf(fd, "direct.recv_leasenak %li\n", config->statistics[STAT_DIRECT_RECV_LEASENAK]);
  dprintf(fd, "direct.send_leasenak %li\n", config->statistics[STAT_DIRECT_SEND_LEASENAK]);
  dprintf(fd, "direct.recv_release %li\n", config->statistics[STAT_DIRECT_RECV_RELEASE]);
  dprintf(fd, "direct.send_release %li\n", config->statistics[STAT_DIRECT_SEND_RELEASE]);
  dprintf(fd, "dhcp.recv_pkg %li\n", config->statistics[STAT_DHCP_RECV_PKG]);
  dprintf(fd, "dhcp.send_pkg %li\n", config->statistics[STAT_DHCP_SEND_PKG]);
  dprintf(fd, "dhcp.recv_byte %li\n", config->statistics[STAT_DHCP_RECV_BYTE]);
  dprintf(fd, "dhcp.send_byte %li\n", config->statistics[STAT_DHCP_SEND_BYTE]);
  dprintf(fd, "dhcp.recv_discover %li\n", config->statistics[STAT_DHCP_RECV_DISCOVER]);
  dprintf(fd, "dhcp.send_offer %li\n", config->statistics[STAT_DHCP_SEND_OFFER]);
  dprintf(fd, "dhcp.recv_request %li\n", config->statistics[STAT_DHCP_RECV_REQUEST]);
  dprintf(fd, "dhcp.send_ack %li\n", config->statistics[STAT_DHCP_SEND_ACK]);
  dprintf(fd, "dhcp.send_nak %li\n", config->statistics[STAT_DHCP_SEND_NAK]);
  dprintf(fd, "dhcp.recv_release %li\n", config->statistics[STAT_DHCP_RECV_RELEASE]);


  // calculate block status
  ddhcp_block* block = config->blocks;
  uint32_t blocks_free = 0;
  uint32_t blocks_tentative = 0;
  uint32_t blocks_claimed = 0;

  for (uint32_t i = 0; i < config->number_of_blocks; i++) {
    switch (block->state) {
    case DDHCP_BLOCKED:
    case DDHCP_FREE:
      blocks_free++;
      break;

    case DDHCP_CLAIMING:
    case DDHCP_TENTATIVE:
      blocks_tentative++;
      break;

    case DDHCP_CLAIMED:
    case DDHCP_OURS:
      blocks_claimed++;
      break;

    default:
      break;
    }
  
    dprintf(fd, "block.%u.owner %lu\n",block->index,(uint64_t) *block->node_id);

    block++;
  }

  dprintf(fd, "ddhcp.blocks.free %u\n", blocks_free);
  dprintf(fd, "ddhcp.blocks.tentative %u\n", blocks_tentative);
  dprintf(fd, "ddhcp.blocks.claimed %u\n", blocks_claimed);

  if (reset > 0) {
    memset(config->statistics, 0, sizeof(long int) * STAT_NUM_OF_FIELDS);
  }
}

#endif