Return to mtr.h CVS log

Up to [ELWIX - Embedded LightWeight unIX -] / embedaddon / mtr / ui

mtr 0.94

    1: /*
    2:     mtr  --  a network diagnostic tool
    3:     Copyright (C) 1997,1998  Matt Kimball
    4:     Copyright (C) 2005 R.E.Wolff@BitWizard.nl
    5: 
    6:     This program is free software; you can redistribute it and/or modify
    7:     it under the terms of the GNU General Public License version 2 as 
    8:     published by the Free Software Foundation.
    9: 
   10:     This program is distributed in the hope that it will be useful,
   11:     but WITHOUT ANY WARRANTY; without even the implied warranty of
   12:     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   13:     GNU General Public License for more details.
   14: 
   15:     You should have received a copy of the GNU General Public License along
   16:     with this program; if not, write to the Free Software Foundation, Inc.,
   17:     51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
   18: */
   19: 
   20: #ifndef MTR_MTR_H
   21: #define MTR_MTR_H
   22: 
   23: #include "config.h"
   24: 
   25: #include <stdint.h>
   26: #include <sys/socket.h>
   27: #include <arpa/inet.h>
   28: 
   29: #ifdef HAVE_NETINET_IN_H
   30: #include <netinet/in.h>
   31: #endif
   32: 
   33: /* Typedefs */
   34: #ifdef ENABLE_IPV6
   35: typedef struct in6_addr ip_t;
   36: #else
   37: typedef struct in_addr ip_t;
   38: #endif
   39: 
   40: #ifndef HAVE_TIME_T
   41: typedef int time_t;
   42: #endif
   43: 
   44: /* The __unused__ attribute was added in gcc 3.2.7.  */
   45: #if __GNUC__ >= 3 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7)
   46: #define ATTRIBUTE_UNUSED __attribute__((__unused__))
   47: #else
   48: #define ATTRIBUTE_UNUSED        /* empty */
   49: #endif
   50: 
   51: /* The __const__ attribute was added in gcc 2.95.  */
   52: #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95)
   53: #define ATTRIBUTE_CONST __attribute__ ((__const__))
   54: #else
   55: #define ATTRIBUTE_CONST         /* empty */
   56: #endif
   57: 
   58: /* stuff used by display such as report, curses... */
   59: #define MAXFLD 20               /* max stats fields to display */
   60: #define FLD_INDEX_SZ 256
   61: 
   62: /* net related definitions */
   63: #define SAVED_PINGS 200
   64: #define MAX_PATH 8
   65: #define MaxHost 256
   66: #define MinPort 1024
   67: #define MaxPort 65535
   68: #define MAXPACKET 4470          /* largest test packet size */
   69: #define MINPACKET 28            /* 20 bytes IP header and 8 bytes ICMP or UDP */
   70: #define MAXLABELS 8             /* http://kb.juniper.net/KB2190 (+ 3 just in case) */
   71: 
   72: /* Stream Control Transmission Protocol is defined in netinet/in.h */
   73: #ifdef IPPROTO_SCTP
   74: #define HAS_SCTP 1
   75: #endif
   76: 
   77: #ifndef HAVE_SOCKLEN_T
   78: typedef int socklen_t;
   79: #endif
   80: 
   81: struct mtr_ctl {
   82:     int MaxPing;
   83:     float WaitTime;
   84:     float GraceTime;
   85:     char *Hostname;
   86:     char *InterfaceName;
   87:     char *InterfaceAddress;
   88:     char LocalHostname[128];
   89:     int ipinfo_no;
   90:     int ipinfo_max;
   91:     int cpacketsize;            /* packet size used by ping */
   92:     int bitpattern;             /* packet bit pattern used by ping */
   93:     int tos;                    /* type of service set in ping packet */
   94: #ifdef SO_MARK
   95:     uint32_t mark;
   96: #endif
   97:     ip_t unspec_addr;
   98:     int af;                     /* address family of remote target */
   99:     int mtrtype;                /* type of query packet used */
  100:     int fstTTL;                 /* initial hub(ttl) to ping byMin */
  101:     int maxTTL;                 /* last hub to ping byMin */
  102:     int maxUnknown;             /* stop ping threshold */
  103:     int remoteport;             /* target port for TCP tracing */
  104:     int localport;              /* source port for UDP tracing */
  105:     int probe_timeout;          /* timeout for probe sockets */
  106:     unsigned char fld_active[2 * MAXFLD];       /* SO_MARK to set for ping packet */
  107:     int display_mode;           /* display mode selector */
  108:     int fld_index[FLD_INDEX_SZ];        /* default display field (defined by key in net.h) and order */
  109:     char available_options[MAXFLD];
  110:     int display_offset;         /* only used in text mode */
  111:     void *gtk_data;             /* pointer to hold arbitrary gtk data */
  112:     unsigned int                /* bit field to hold named booleans */
  113:      ForceMaxPing:1,
  114:         use_dns:1,
  115:         show_ips:1,
  116:         enablempls:1, dns:1, reportwide:1, Interactive:1, DisplayMode:5;
  117: };
  118: 
  119: /* dynamic field drawing */
  120: struct fields {
  121:     const unsigned char key;
  122:     const char *descr;
  123:     const char *title;
  124:     const char *format;
  125:     const int length;
  126:     int (
  127:     *net_xxx) (
  128:     int);
  129: };
  130: /* defined in mtr.c */
  131: extern const struct fields data_fields[MAXFLD];
  132: 
  133: /* MPLS label object */
  134: struct mplslen {
  135:     unsigned long label[MAXLABELS];     /* label value */
  136:     uint8_t tc[MAXLABELS];     /* Traffic Class bits */
  137:     uint8_t ttl[MAXLABELS];     /* MPLS TTL */
  138:     char s[MAXLABELS];          /* bottom of stack */
  139:     char labels;                /* how many labels did we get? */
  140: };
  141: 
  142: 
  143: #ifdef USING_CYGWIN
  144: #define running_as_root() 1
  145: #else
  146: #define running_as_root() (getuid() == 0)
  147: #endif
  148: 
  149: #endif                          /* MTR_MTR_H */