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| /* vim: ft=c ff=unix fenc=utf-8 | |
| * file: s.c | |
| */ | |
| #include <stdio.h> | |
| #include <stdlib.h> | |
| #include <stdint.h> | |
| #include <stdbool.h> | |
| #include <string.h> | |
| #include <unistd.h> | |
| #include <regex.h> | |
| #include <inttypes.h> | |
| const char *in[] = { | |
| /* 3 probes */ | |
| "traceroute to 8.8.8.8 (8.8.8.8), 30 hops max, 38 byte packets\n" | |
| " 1 * 10.83.255.190 (10.83.255.190) 7.858 ms 10.957 ms\n" | |
| " 2 lag-3-438.bgw01.spb.ertelecom.ru (109.195.88.30) 0.547 ms 0.645 ms 0.638 ms\n" | |
| " 3 net131.234.188-158.ertelecom.ru (188.234.131.158) 0.683 ms 1.389 ms 0.811 ms\n" | |
| " 4 net131.234.188-159.ertelecom.ru (188.234.131.159) 2.080 ms 1.539 ms 1.328 ms\n" | |
| " 5 216.239.42.53 (216.239.42.53) 5.242 ms 5.177 ms 13.292 ms\n" | |
| " 6 209.85.249.77 (209.85.249.77) 5.039 ms 209.85.240.79 (209.85.240.79) 5.405 ms 5.316 ms\n" | |
| " 7 209.85.244.210 (209.85.244.210) 5.462 ms 209.85.251.36 (209.85.251.36) 6.172 ms 209.85.244.210 (209.85.244.210) 7.106 ms\n" | |
| " 8 * * *\n" | |
| " 9 * * *\n" | |
| "10 * * *\n" | |
| "11 * * *\n" | |
| "12 * * *\n" | |
| "13 * * *\n" | |
| "14 * * *\n" | |
| "15 * * *\n" | |
| "16 google-public-dns-a.google.com (8.8.8.8) 5.149 ms 5.070 ms 5.086 ms\n", | |
| /* 3 probes */ | |
| "traceroute to ya.ru (213.180.193.3), 30 hops max, 38 byte packets\n" | |
| "1 10.83.255.190 (10.83.255.190) 640.623 ms 589.116 ms 719.537 ms\n" | |
| "2 lag-3-438.bgw01.spb.ertelecom.ru (109.195.88.30) 0.599 ms 0.636 ms 0.608 ms\n" | |
| "3 193-28-6-60.peering.pirix.ru (193.28.6.60) 0.777 ms 0.875 ms 1.024 ms\n" | |
| "4 spb2-b1-ae0-601.yndx.net (37.140.137.94) 1.203 ms 1.250 ms 1.369 ms\n" | |
| "5 m9-p2-100ge-2-0-3.yndx.net (213.180.213.16) 14.349 ms 10.441 ms 10.830 ms\n" | |
| "6 fol5-c2-ae7.yndx.net (87.250.239.84) 8.660 ms 8.620 ms 8.601 ms\n" | |
| "7 * www.yandex.ru (213.180.193.3) 8.694 ms *\n", | |
| /* 1 probe per host */ | |
| "traceroute to ya.ru (213.180.204.3), 30 hops max, 38 byte packets\n" | |
| " 1 10.83.255.190 (10.83.255.190) 13.467 ms\n" | |
| " 2 lag-3-438.bgw01.spb.ertelecom.ru (109.195.88.30) 0.617 ms\n" | |
| " 3 193-28-6-60.peering.pirix.ru (193.28.6.60) 0.873 ms\n" | |
| " 4 spb2-b1-ae0-601.yndx.net (37.140.137.94) 1.249 ms\n" | |
| " 5 m9-p2-100ge-2-0-3.yndx.net (213.180.213.16) 11.142 ms\n" | |
| " 6 m9-p1-be6.yndx.net (87.250.239.51) 9.651 ms\n" | |
| " 7 iva-b-c2-ae4.yndx.net (87.250.239.117) 9.586 ms\n" | |
| " 8 *\n" | |
| " 9 www.yandex.ru (213.180.204.3) 9.495 ms\n", | |
| /* 2 probes per hsot */ | |
| "traceroute to 8.8.8.8 (8.8.8.8), 30 hops max, 38 byte packets\n" | |
| " 1 10.83.255.190 (10.83.255.190) 1.238 ms 0.941 ms\n" | |
| " 2 lag-3-438.bgw01.spb.ertelecom.ru (109.195.88.30) 0.638 ms 0.718 ms\n" | |
| " 3 net131.234.188-158.ertelecom.ru (188.234.131.158) 0.717 ms 0.854 ms\n" | |
| " 4 net131.234.188-159.ertelecom.ru (188.234.131.159) 1.924 ms 1.403 ms\n" | |
| " 5 216.239.42.53 (216.239.42.53) 14.019 ms 5.724 ms\n" | |
| " 6 209.85.249.79 (209.85.249.79) 5.081 ms 216.239.40.237 (216.239.40.237) 5.570 ms\n" | |
| " 7 216.239.46.132 (216.239.46.132) 19.342 ms 216.239.47.137 (216.239.47.137) 16.796 ms\n" | |
| " 8 * *\n" | |
| " 9 * *\n" | |
| "10 * *\n" | |
| "11 * *\n" | |
| "12 * *\n" | |
| "13 * *\n" | |
| "14 * *\n" | |
| "15 * *\n" | |
| "16 google-public-dns-a.google.com (8.8.8.8) 4.992 ms 5.136 ms\n", | |
| NULL | |
| }; | |
| void | |
| regmatch_print(const char *in, regmatch_t *pmatch, size_t nmatch) | |
| { | |
| size_t n = 0u; | |
| for (n = 0u; n < nmatch; n++) { | |
| if (pmatch[n].rm_so == -1) | |
| continue; | |
| printf("%"PRIuPTR": m=%03d:%03d, l=%d, s=%.*s\n", | |
| n, pmatch[n].rm_so, pmatch[n].rm_eo, | |
| pmatch[n].rm_eo - pmatch[n].rm_so, | |
| pmatch[n].rm_eo - pmatch[n].rm_so, | |
| in + pmatch[n].rm_so); | |
| } | |
| } | |
| struct HopHost { | |
| char host[256]; | |
| char addr[256]; | |
| char times[16]; | |
| }; | |
| void | |
| hh_print(struct HopHost *hh) | |
| { | |
| printf("{host='%s', addr='%s', times='%s'}\n", | |
| hh->host, hh->addr, hh->times); | |
| } | |
| static inline bool | |
| reg_isnull(regmatch_t *pmatch) | |
| { | |
| if (pmatch->rm_so == -1) { | |
| return true; | |
| } | |
| return false; | |
| } | |
| void | |
| tr_process(FILE *f) | |
| { | |
| int r = 0; | |
| char l[1024] = {}; | |
| const char reg[] = "[[:space:]]*([0-9]*)[[:space:]]*" | |
| /* first column */ | |
| "(" | |
| "\\*|" | |
| "([-_0-9a-zA-Z\\.]+) \\(([0-9\\.]*)\\)[[:space:]]{1,}([0-9]*)[\\.0-9]* ms" | |
| ")[[:space:]]*" | |
| /* second column */ | |
| "(" | |
| "\\*[[:space:]]+|" | |
| "([-_0-9a-zA-Z\\.]+) \\(([0-9\\.]+)\\)[[:space:]]+([0-9]+)[\\.0-9]* ms[[:space:]]+|" | |
| "([0-9]*)[\\.0-9]* ms[[:space:]]+" | |
| ")*" | |
| /* third column */ | |
| "(" | |
| "\\*[[:space:]]*|" | |
| "([-_0-9a-zA-Z\\.]+) \\(([0-9\\.]+)\\)[[:space:]]+([0-9]+)[\\.0-9]* ms[[:space:]]*|" | |
| "([0-9]*)[\\.0-9]* ms[[:space:]]*" | |
| ")*" | |
| "\n"; | |
| regex_t preg = {}; | |
| regmatch_t pmatch[34] = {}; | |
| size_t nmatch = sizeof(pmatch) / sizeof(*pmatch); | |
| if ((r = regcomp(&preg, reg, REG_EXTENDED)) != 0) { | |
| printf("regcomp(): %d\n", r); | |
| return; | |
| } | |
| struct HopHost hh = {}; | |
| while (fgets(l, sizeof(l), f) != NULL) { | |
| if (regexec(&preg, l, nmatch, pmatch, 0)) { | |
| if (!strncmp("traceroute", l, 10)) { | |
| /* skip header */ | |
| continue; | |
| } | |
| printf("line not matched: %.*s\n", *l ? ((int)strlen(l) - 1) : 0, l); | |
| continue; | |
| } | |
| memset(&hh, 0, sizeof(hh)); | |
| /* | |
| regmatch_print(l, pmatch, nmatch); | |
| continue; | |
| */ | |
| /* first column */ | |
| if (reg_isnull(&pmatch[5])) { | |
| /* no time */ | |
| strcat(hh.times, "*"); | |
| } else { | |
| /* copy host */ | |
| snprintf(hh.host, sizeof(hh.host), "%.*s", | |
| pmatch[3].rm_eo - pmatch[3].rm_so, | |
| l + pmatch[3].rm_so); | |
| /* copy addr */ | |
| snprintf(hh.addr, sizeof(hh.addr), "%.*s", | |
| pmatch[4].rm_eo - pmatch[4].rm_so, | |
| l + pmatch[4].rm_so); | |
| /* copy time */ | |
| snprintf(hh.times, sizeof(hh.times), | |
| "%.*s", | |
| pmatch[5].rm_eo - pmatch[5].rm_so, | |
| l + pmatch[5].rm_so); | |
| } | |
| for (r = 0; r < 2; r++) { | |
| /* second, third, <n> column */ | |
| if (!reg_isnull(&pmatch[6 + 5 * r])) { | |
| size_t len = 0u; | |
| /* copy host && addr */ | |
| if (!*hh.host && !reg_isnull(&pmatch[7 + 5 * r])) { | |
| snprintf(hh.host, sizeof(hh.host), "%.*s", | |
| pmatch[7 + 5 * r].rm_eo - pmatch[7 + 5 * r].rm_so, | |
| l + pmatch[7 + 5 * r].rm_so); | |
| snprintf(hh.addr, sizeof(hh.addr), "%.*s", | |
| pmatch[8 + 5 * r].rm_eo - pmatch[8 + 5 * r].rm_so, | |
| l + pmatch[8 + 5 * r].rm_so); | |
| } | |
| /* copy time */ | |
| len = strlen(hh.times); | |
| if (!reg_isnull(&pmatch[9 + 5 * r])) { | |
| /* copy from 'host (addr) time' */ | |
| snprintf(hh.times + len, sizeof(hh.times) - len, | |
| ",%.*s", | |
| pmatch[9 + 5 * r].rm_eo - pmatch[9 + 5 * r].rm_so, | |
| l + pmatch[9 + 5 * r].rm_so); | |
| } else if (!reg_isnull(&pmatch[10 + 5 * r])) { | |
| /* copy from 'time' */ | |
| snprintf(hh.times + len, sizeof(hh.times) - len, | |
| ",%.*s", | |
| pmatch[10 + 5 * r].rm_eo - pmatch[10 + 5 * r].rm_so, | |
| l + pmatch[10 + 5 * r].rm_so); | |
| } else { | |
| snprintf(hh.times + len, sizeof(hh.times) - len, ",*"); | |
| } | |
| } | |
| } | |
| hh_print(&hh); | |
| } | |
| regfree(&preg); | |
| } | |
| int | |
| main(int argc, char *argv[]) | |
| { | |
| FILE *f = NULL; | |
| char *p = NULL; | |
| int i = 0; | |
| for (i = 0; in[i]; i++) { | |
| f = fmemopen((void*)in[i], strlen(in[i]), "r"); | |
| if (!f) { | |
| perror("fmemopen"); | |
| return EXIT_FAILURE; | |
| } | |
| tr_process(f); | |
| fclose(f); | |
| } | |
| return EXIT_SUCCESS; | |
| } | |
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