vv-io.h

/*
    This file is part of Mtproto-proxy Library.

    Mtproto-proxy Library is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as published by
    the Free Software Foundation, either version 2 of the License, or
    (at your option) any later version.

    Mtproto-proxy Library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public License
    along with Mtproto-proxy Library.  If not, see <http://www.gnu.org/licenses/>.

    Copyright 2012-2013 Vkontakte Ltd
              2012-2013 Vitaliy Valtman              
*/

#pragma once

#include <stdio.h>
#include <arpa/inet.h>

#define PID_PRINT_STR "[" IP_PRINT_STR ":%d:%d:%d]"
#define IP_PRINT_STR "%d.%d.%d.%d"

#define PID_TO_PRINT(a) IP_TO_PRINT((a)->ip), (int)(a)->port, (int)(a)->pid, (a)->utime
#define IP_TO_PRINT(a) ((a) >> 24) & 0xff, ((a) >> 16) & 0xff, ((a) >> 8) & 0xff, (a) & 0xff

#define IPV6_PRINT_STR "%s"

static inline char *IPV6_TO_PRINT(void *ip) {
  unsigned short *ipv6 = ip;
 
  static char s[100];
  int p = 0;
  p += sprintf (s + p, "%x:", htons (ipv6[0]));
  if (!ipv6[1]) {
    p += sprintf (s + p, ":");
  } else {
    p += sprintf (s + p, "%x:", htons (ipv6[1]));
  }
  if (!ipv6[2]) {
    p += sprintf (s + p, ":");
  } else {
    p += sprintf (s + p, "%x:", htons (ipv6[2]));
  }
  if (!ipv6[3]) {
    p += sprintf (s + p, ":");
  } else {
    p += sprintf (s + p, "%x:", htons (ipv6[3]));
  }
  if (!ipv6[4]) {
    p += sprintf (s + p, ":");
  } else {
    p += sprintf (s + p, "%x:", htons (ipv6[4]));
  }
  if (!ipv6[5]) {
    p += sprintf (s + p, ":");
  } else {
    p += sprintf (s + p, "%x:", htons (ipv6[5]));
  }
  if (!ipv6[6]) {
    p += sprintf (s + p, ":");
  } else {
    p += sprintf (s + p, "%x:", htons (ipv6[6]));
  }
  if (ipv6[7]) {
    p += sprintf (s + p, "%x", htons (ipv6[7]));
  }
  
  return s;
}