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|
/*
* sc_analysis_dump
*
* $Id: sc_analysis_dump.c,v 1.42.2.2 2012/04/04 00:05:59 mjl Exp $
*
* Matthew Luckie
* mjl@luckie.org.nz
*
* Copyright (C) 2005-2006 Matthew Luckie
* Copyright (C) 2006-2011 The University of Waikato
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, version 2.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#ifndef lint
static const char rcsid[] =
"$Id: sc_analysis_dump.c,v 1.42.2.2 2012/04/04 00:05:59 mjl Exp $";
#endif
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "internal.h"
#include "scamper_list.h"
#include "scamper_addr.h"
#include "scamper_file.h"
#include "trace/scamper_trace.h"
#include "mjl_splaytree.h"
#define OPT_SKIP 0x00001
#define OPT_DEBUG 0x00002
#define OPT_DSTEND 0x00004
#define OPT_OLDFORMAT 0x00008
#define OPT_HIDECOMMENTS 0x00010
#define OPT_HIDESRC 0x00020
#define OPT_HIDEDST 0x00040
#define OPT_HIDELIST 0x00080
#define OPT_HIDECYCLE 0x00100
#define OPT_HIDETIME 0x00200
#define OPT_HIDEREPLY 0x00400
#define OPT_HIDEHALT 0x00800
#define OPT_HIDEPATH 0x01000
#define OPT_HIDEIRTT 0x02000
#define OPT_HELP 0x04000
static uint32_t options = 0;
static int skip_numlines = 0;
static int debug_numlines = 0;
/* the input warts files */
static char **filelist = NULL;
static int filelist_len = 0;
/* where the output goes. stdout by default */
static FILE *out = NULL;
#ifdef USE_NETACUITY_
#define OPT_GEO 0x08000
#define OPT_GEOSERV 0x10000
static char *geo_serv = NULL;
static struct splaytree_t *geo_seen = NULL;
#endif
static void usage(const uint32_t opt_mask)
{
fprintf(stderr,
"usage: sc_analysis_dump [-oeCsdlctrHpigh] [-S skip trace count]\n"
" [-D debug trace count] [-G geo server]\n"
" [file1 file2 ... fileN]\n");
if(opt_mask == 0) return;
return;
}
static int check_options(int argc, char *argv[])
{
int i;
char opts[48];
char ch;
snprintf(opts, sizeof(opts), "oeCsdlctrHpiS:D:h");
#ifdef USE_NETACUITY
strcat(opts, "gG:");
#endif
while((i = getopt(argc, argv, opts)) != -1)
{
ch = (char)i;
switch(ch)
{
case 'S':
options |= OPT_SKIP;
skip_numlines = atoi(optarg);
break;
case 'D':
options |= OPT_DEBUG;
debug_numlines = atoi(optarg);
break;
case 'e':
options |= OPT_DSTEND;
break;
case 'o':
options |= OPT_OLDFORMAT;
break;
case 'C':
options |= OPT_HIDECOMMENTS;
break;
case 's':
options |= OPT_HIDESRC;
break;
case 'd':
options |= OPT_HIDEDST;
break;
case 'l':
options |= OPT_HIDELIST;
break;
case 'c':
options |= OPT_HIDECYCLE;
break;
case 't':
options |= OPT_HIDETIME;
break;
case 'r':
options |= OPT_HIDEREPLY;
break;
case 'H':
options |= OPT_HIDEHALT;
break;
case 'p':
options |= OPT_HIDEPATH;
break;
case 'i':
options |= OPT_HIDEIRTT;
break;
#ifdef USE_NETACUITY_
case 'g':
options |= OPT_GEO;
break;
case 'G':
options |= OPT_GEOSERV;
geo_serv = optarg;
break;
#endif
case 'h':
options |= OPT_HELP;
break;
default:
usage(0);
return -1;
}
}
filelist = argv + optind;
filelist_len = argc - optind;
return 0;
}
static char *rtt_tostr(char *str, const size_t len, const struct timeval *rtt)
{
if(rtt != NULL)
{
snprintf(str, len, "%ld.%03d",
(long)((rtt->tv_sec * 1000) + (rtt->tv_usec / 1000)),
(int)(rtt->tv_usec % 1000));
}
else
{
str[0] = '\0';
}
return str;
}
static void print_help()
{
usage(0);
fprintf(stderr,
" This program prints out skitter Arts traces.\n"
" C - hide comments\n"
" o - old format version 1.0\n"
" s - hide Source \n"
" d - hide Destination \n"
" l - hide list number\n"
" c - hide cycle number\n"
" t - hide Timestamp \n"
" r - hide Reply Fields\n"
" DestReplied, DestRTT, RequestTTL, ReplyTTL \n"
" H - hide Halt Fields \n"
" HaltReason, HaltReasonData\n"
" p - hide Path Fields \n"
" PathComplete, PerHopData\n"
" i - hides hop non IP data\n"
" HopRTT, HopNumTries\n"
"\n"
" e - add Destination to Ending\n"
"\n"
" D numline - debug mode that only reads the first numline\n"
" of arts objects\n"
" S numline - skips first numline of art objects in the file\n"
"\n"
" g - print out geographical information\n"
" assuming that environmental variable NETACUITY_SERVER is set\n"
" to the NETACUITY server\n"
" G servername - the same as g except it uses the servername\n"
" given on the command line.\n"
" \n"
" h - prints this message\n"
" \n"
);
exit(0);
}
static void print_header_comments(void)
{
printf(
"# =======================================================================\n"
"# This file contains an ASCII representation of the IPv4 paths stored in \n"
"# the binary skitter arts++ and scamper warts file formats. \n"
"# \n"
"# This ASCII file format is in the sk_analysis_dump text output \n"
"# format: imdc.datcat.org/format/1-003W-7 \n"
"# \n"
"# =======================================================================\n"
"# There is one trace per line, with the following tab-separated fields: \n"
"# \n"
"# \n"
"# 1. Key -- Indicates the type of line and determines the meaning of the \n"
"# remaining fields. This will always be 'T' for an IP trace. \n"
"# \n"
"# -------------------- Header Fields ------------------ \n"
"# \n"
"# 2. Source -- Source IP of skitter/scamper monitor performing the trace.\n"
"# \n"
"# 3. Destination -- Destination IP being traced. \n"
"# \n"
"# 4. ListId -- ID of the destination list containing this destination \n"
"# address. \n"
"# \n"
"# This value will be zero if no list ID was provided. (uint32_t) \n"
"# \n"
"# 5. CycleId -- ID of current probing cycle (a cycle is a single run \n"
"# through a given list). For skitter traces, cycle IDs \n"
"# will be equal to or slightly earlier than the timestamp \n"
"# of the first trace in each cycle. There is no standard \n"
"# interpretation for scamper cycle IDs. \n"
"# \n"
"# This value will be zero if no cycle ID was provided. (uint32_t) \n"
"# \n"
"# 6. Timestamp -- Timestamp when trace began to this destination. \n"
"# \n"
"# -------------------- Reply Fields ------------------ \n"
"# \n"
"# 7. DestReplied -- Whether a response from the destination was received.\n"
"# \n"
"# R - Replied, reply was received \n"
"# N - Not-replied, no reply was received; \n"
"# Since skitter sends a packet with a TTL of 255 when it halts \n"
"# probing, it is still possible for the final destination to \n"
"# send a reply and for the HaltReasonData (see below) to not \n"
"# equal no_halt. Note: scamper does not perform this last-ditch\n"
"# probing at TTL 255. \n"
"# \n"
"# 8. DestRTT -- RTT (ms) of first response packet from destination. \n"
"# 0 if DestReplied is N. \n"
"# \n"
"# 9. RequestTTL -- TTL set in request packet which elicited a response \n"
"# (echo reply) from the destination. \n"
"# 0 if DestReplied is N. \n"
"# \n"
"# 10. ReplyTTL -- TTL found in reply packet from destination; \n"
"# 0 if DestReplied is N. \n"
"# \n"
"# -------------------- Halt Fields ------------------ \n"
"# \n"
"# 11. HaltReason -- The reason, if any, why incremental probing stopped. \n"
"# \n"
"# 12. HaltReasonData -- Extra data about why probing halted. \n"
"# \n"
"# HaltReason HaltReasonData \n"
"# ------------------------------------ \n"
"# S (success/no_halt) 0 \n"
"# U (icmp_unreachable) icmp_code \n"
"# L (loop_detected) loop_length \n"
"# G (gap_detected) gap_limit \n"
"# \n"
"# -------------------- Path Fields ------------------ \n"
"# \n"
"# 13. PathComplete -- Whether all hops to destination were found. \n"
"# \n"
"# C - Complete, all hops found \n"
"# I - Incomplete, at least one hop is missing (i.e., did not \n"
"# respond) \n"
"# \n"
"# 14. PerHopData -- Response data for the first hop. \n"
"# \n"
"# If multiple IP addresses respond at the same hop, response data \n"
"# for each IP address are separated by semicolons: \n"
"# \n"
"# IP,RTT,numTries (for only one responding IP) \n"
"# IP,RTT,numTries;IP,RTT,numTries;... (for multiple responding IPs)\n"
"# \n"
"# where \n"
"# \n"
"# IP -- IP address which sent a TTL expired packet \n"
"# RTT -- RTT of the TTL expired packet \n"
"# num_tries -- num tries before response received from TTL. \n"
"# \n"
"# This field will have the value 'q' if there was no response at \n"
"# this hop. \n"
"# \n"
"# 15. PerHopData -- Response data for the second hop in the same format \n"
"# as field 14. \n"
"# \n"
"# ... \n"
"# \n"
"# N. PerHopData -- Response data for the destination \n"
"# (if destination replied). \n"
"# \n"
);
return;
}
static void print_header_fields(const scamper_trace_t *trace)
{
char buf[256];
if((options & OPT_HIDESRC) == 0)
{
fprintf(out, "\t%s", scamper_addr_tostr(trace->src, buf, sizeof(buf)));
}
if((options & OPT_HIDEDST) == 0)
{
fprintf(out, "\t%s", scamper_addr_tostr(trace->dst, buf, sizeof(buf)));
}
if((options & OPT_HIDELIST) == 0)
{
fprintf(out, "\t%d", (trace->list != NULL) ? trace->list->id : 0);
}
if((options & OPT_HIDECYCLE) == 0)
{
fprintf(out, "\t%d", (trace->cycle != NULL) ? trace->cycle->id : 0);
}
if((options & OPT_HIDETIME) == 0)
{
fprintf(out, "\t%ld", (long)trace->start.tv_sec);
}
return;
}
static void print_reply_fields(const scamper_trace_hop_t *dst)
{
char rtt[64];
if(dst != NULL)
{
rtt_tostr(rtt, sizeof(rtt), &dst->hop_rtt);
fprintf(out, "\tR\t%s\t%d\t%d",
rtt, dst->hop_probe_ttl, dst->hop_reply_ttl);
}
else
{
fprintf(out, "\tN\t0\t0\t0");
}
return;
}
static void print_halt_fields(const scamper_trace_t *trace)
{
int l;
switch(trace->stop_reason)
{
case SCAMPER_TRACE_STOP_COMPLETED:
case SCAMPER_TRACE_STOP_NONE:
fprintf(out, "\tS\t0");
break;
case SCAMPER_TRACE_STOP_UNREACH:
fprintf(out, "\tU\t%d", trace->stop_data);
break;
case SCAMPER_TRACE_STOP_LOOP:
if((l = trace->stop_data) == 0)
{
l = scamper_trace_loop(trace, 1, NULL, NULL);
}
fprintf(out, "\tL\t%d", l);
break;
case SCAMPER_TRACE_STOP_GAPLIMIT:
fprintf(out, "\tG\t%d", trace->stop_data);
break;
default:
fprintf(out, "\t?\t0");
break;
}
return;
}
static void print_old_fields(const scamper_trace_t *trace,
const scamper_trace_hop_t *hop)
{
char src[256], dst[256], rtt[256];
fprintf(out, " %s %s %ld %s %d",
scamper_addr_tostr(trace->src, src, sizeof(src)),
scamper_addr_tostr(trace->dst, dst, sizeof(dst)),
(long)trace->start.tv_sec,
rtt_tostr(rtt, sizeof(rtt), (hop != NULL) ? &hop->hop_rtt : NULL),
trace->hop_count);
return;
}
static void print_path_fields(const scamper_trace_t *trace,
const scamper_trace_hop_t *dst)
{
scamper_trace_hop_t *hop;
char path_complete;
char rtt[128], addr[128];
int i;
int unresponsive = 0;
#ifdef USE_NETACUITY_
if(trace->hop_count != 0)
{
for(i=0; i<trace->hop_count; i++)
{
if((hop = trace->hops[i]) != NULL)
{
do
{
if(options & OPT_GEO)
{
print_geo_info(hop->hop_addr);
}
}
while((hop = hop->hop_next) != NULL);
}
}
}
#endif
/*
* decide what the path_complete flag should be set to. if we reached
* the destination then the path_complete flag == 'C' (for complete).
* otherwise the path_complete flag == 'I' (incomplete) or 'N' if
* using the old sk_analysis_dump output format.
*/
path_complete = 'I';
if(dst != NULL)
{
for(i=0; i<dst->hop_probe_ttl; i++)
{
if(trace->hops[i] == NULL)
{
break;
}
}
if(i == dst->hop_probe_ttl && (options & OPT_OLDFORMAT) == 0)
{
path_complete = 'C';
}
}
else if(options & OPT_OLDFORMAT)
{
path_complete = 'N';
}
/*
* actually output the path complete flag, and some extra old fields
* if requested
*/
if((options & OPT_OLDFORMAT) == 0)
{
fprintf(out, "\t%c", path_complete);
}
else
{
fprintf(out, "%c", path_complete);
print_old_fields(trace, dst);
}
for(i=0; i<trace->hop_count; i++)
{
if((hop = trace->hops[i]) != NULL)
{
/* don't print out the hop corresponding to the destination */
if(hop == dst)
{
if(hop->hop_next == NULL)
{
break;
}
else hop = hop->hop_next;
}
while(unresponsive > 0)
{
fprintf(out, "%c", options & OPT_OLDFORMAT ? ' ' : '\t');
fprintf(out, "q");
unresponsive--;
}
fprintf(out, "%c", options & OPT_OLDFORMAT ? ' ' : '\t');
for(;;)
{
if((options & OPT_OLDFORMAT) == 0)
{
if((options & OPT_HIDEIRTT) == 0)
{
fprintf(out, "%s,%s,%d",
scamper_addr_tostr(hop->hop_addr,addr,sizeof(addr)),
rtt_tostr(rtt, sizeof(rtt), &hop->hop_rtt),
hop->hop_probe_id);
}
else
{
fprintf(out, "%s",
scamper_addr_tostr(hop->hop_addr,addr,sizeof(addr)));
}
}
if((hop = hop->hop_next) != NULL && hop != dst)
{
if((options & OPT_OLDFORMAT) == 0)
{
fprintf(out, ";");
}
else
{
fprintf(out, ",");
}
}
else break;
}
}
else
{
unresponsive++;
}
}
if(dst != NULL && options & OPT_DSTEND)
{
while (i < dst->hop_probe_ttl-1)
{
i++;
fprintf(out, "\tq");
}
if((options & OPT_HIDEIRTT) == 0)
{
fprintf(out, "\t%s,%s,%d",
scamper_addr_tostr(dst->hop_addr,addr,sizeof(addr)),
rtt_tostr(rtt, sizeof(rtt), &dst->hop_rtt),
dst->hop_probe_id);
}
else
{
fprintf(out, "\t%s",
scamper_addr_tostr(dst->hop_addr,addr,sizeof(addr)));
}
}
return;
}
#ifdef USE_NETACUITY_
static int print_geo_info(scamper_addr_t *addr)
{
na_geo_struct answer;
char buf[256];
if(splaytree_find(geo_seen, addr) != NULL)
{
return 0;
}
if(splaytree_insert(geo_seen, scamper_addr_use(addr)) != 1)
{
return -1;
}
if(scamper_addr_tostr(addr, buf, sizeof(buf)) == NULL)
{
return -1;
}
if(na_query_geo(buf, &answer))
{
fprintf(out, "G\t%s\t%s=%d\t%s=%d\t%s=%d\t%s\t%d\t%.3f\t%.3f\n",
buf,
answer.country, answer.country_c,
answer.region, answer.region_c,
answer.city, answer.city_c,
answer.speed,
answer.metro_code,
answer.latitude, answer.longitude);
}
else
{
fprintf(stderr, "Error in na_query_geo(%s)\n", buf);
}
return 0;
}
static void print_path_geo_info(const scamper_trace_t *trace)
{
scamper_trace_hop_t *hop;
int i;
for(i=0; i<trace->hop_count; i++)
{
for(hop = trace->hops[i]; hop != NULL; hop = hop->hop_next)
{
print_geo_info(hop->hop_addr);
}
}
return;
}
static int setup_netacuity_server(char *server)
{
struct addrinfo hints, *res, *res0;
char buf[256];
int set = 0;
memset(&hints, 0, sizeof(hints));
hints.ai_socktype = SOCK_DGRAM;
hints.ai_protocol = IPPROTO_UDP;
hints.ai_family = AF_INET;
if((error = getaddrinfo(ipstr, NULL, &hints, &res0)) != 0 || res0 == NULL)
{
fprintf(stderr, "could not resolve %s: %s", server, gai_strerror(error));
return -1;
}
for(res = res0; res != NULL; res = res->ai_next)
{
if(res->ai_family == PF_INET)
{
inet_ntop(res->ai_family,
&((struct sockaddr_in *)ai_list->ai_addr)->sin_addr,
buf, sizeof(buf));
if(na_api_set_server_addr(buf))
{
set = 1;
break;
}
else
{
fprintf(stderr, "Error in setting server addr %s", buf);
}
}
}
freeaddrinfo(res0);
if(set == 1)
{
geo_seen = splaytree_alloc((splaytree_cmp_t)scamper_addr_cmp);
if(geo_seen == NULL)
{
return -1;
}
return 0;
}
return -1;
}
#endif /* USE_NETACUITY_ */
static void print_trace(const scamper_trace_t *trace)
{
scamper_trace_hop_t *dst = NULL, *hop;
int i;
if(trace->hop_count == 0 &&
trace->stop_reason == SCAMPER_TRACE_STOP_ERROR)
{
return;
}
/* try and determine the hop that corresponds to the destination */
if(trace->hop_count > 0 &&
trace->stop_reason != SCAMPER_TRACE_STOP_ERROR)
{
for(i=trace->hop_count-1; i>=0 && dst == NULL; i--)
{
for(hop = trace->hops[i]; hop != NULL; hop = hop->hop_next)
{
if(SCAMPER_TRACE_HOP_IS_ICMP_UNREACH_PORT(hop))
{
if(SCAMPER_TRACE_TYPE_IS_UDP(trace) ||
SCAMPER_TRACE_TYPE_IS_TCP(trace))
{
dst = hop;
break;
}
}
if(SCAMPER_TRACE_HOP_IS_ICMP_ECHO_REPLY(hop))
{
if(SCAMPER_TRACE_TYPE_IS_ICMP(trace))
{
dst = hop;
break;
}
}
if((hop->hop_flags & SCAMPER_TRACE_HOP_FLAG_TCP) != 0 &&
SCAMPER_TRACE_TYPE_IS_TCP(trace))
{
dst = hop;
break;
}
}
}
}
#ifdef USE_NETACUITY_
if(options & OPT_GEO)
{
if((options & OPT_HIDESRC) == 0)
{
print_geo_info(trace->src);
}
if((options & OPT_HIDEDST) == 0)
{
print_geo_info(trace->dst);
}
if((options & OPT_HIDEPATH) == 0)
{
print_path_geo_info(trace);
}
}
#endif
if((options & OPT_OLDFORMAT) == 0)
{
fprintf(out, "T");
print_header_fields(trace);
if((options & OPT_HIDEREPLY) == 0)
{
print_reply_fields(dst);
}
if((options & OPT_HIDEHALT) == 0)
{
print_halt_fields(trace);
}
}
if((options & OPT_HIDEPATH) == 0 || (options & OPT_OLDFORMAT))
{
print_path_fields(trace, dst);
}
fprintf(out, "\n");
fflush(out);
return;
}
static void process(scamper_file_t *file, scamper_file_filter_t *filter)
{
scamper_trace_t *trace;
uint16_t type;
int n = 0;
while(scamper_file_read(file, filter, &type, (void *)&trace) == 0)
{
if(trace == NULL) break; /* EOF */
if((options & OPT_DEBUG) && n == debug_numlines)
{
scamper_trace_free(trace);
break;
}
n++;
if(n > skip_numlines)
{
print_trace(trace);
}
scamper_trace_free(trace);
}
scamper_file_close(file);
return;
}
int main(int argc, char *argv[])
{
scamper_file_t *file;
scamper_file_filter_t *filter;
uint16_t type = SCAMPER_FILE_OBJ_TRACE;
int i;
#ifdef _WIN32
WSADATA wsaData;
WSAStartup(MAKEWORD(2,2), &wsaData);
#endif
out = stdout;
if(check_options(argc, argv) == -1)
{
return -1;
}
if(options & OPT_HELP)
{
print_help();
}
if((filter = scamper_file_filter_alloc(&type, 1)) == NULL)
{
return -1;
}
if((options & OPT_HIDECOMMENTS) == 0)
{
print_header_comments();
}
if(filelist_len != 0)
{
for(i=0; i<filelist_len; i++)
{
if((file = scamper_file_open(filelist[i], 'r', NULL)) == NULL)
{
fprintf(stderr, "unable to open %s\n", filelist[i]);
if((options & OPT_HIDECOMMENTS) == 0)
{
fprintf(out, "# unable to open %s\n", filelist[i]);
}
continue;
}
process(file, filter);
}
}
else
{
if((file = scamper_file_openfd(STDIN_FILENO, "-", 'r', "warts")) == NULL)
{
fprintf(stderr, "unable to open stdin\n");
if((options & OPT_HIDECOMMENTS) == 0)
{
fprintf(out, "# unable to open stdin\n");
}
}
else process(file, filter);
}
scamper_file_filter_free(filter);
return 0;
}
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