source code + html output formatting
[svn/Prometheus-QoS/.git] / prometheus.c
1 /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
2 /* Prometheus QoS - you can "steal fire" from your ISP */
3 /* "fair-per-IP" quality of service (QoS) utility */
4 /* requires Linux 2.4.x or 2.6.x with HTB support */
5 /* Copyright(C) 2005-2008 Michael Polak (xChaos) */
6 /* iptables-restore support Copyright(C) 2007-2008 ludva */
7 /* Credit: CZFree.Net,Martin Devera,Netdave,Aquarius,Gandalf */
8 /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
9
10 /* Modified by: xChaos, 20120516
11 ludva, 20080415
12
13 Prometheus QoS is free software; you can redistribute it and/or
14 modify it under the terms of the GNU General Public License as
15 published by the Free Software Foundation; either version 2.1 of
16 the License, or (at your option) any later version.
17
18 Prometheus QoS is distributed in the hope that it will be useful,
19 but WITHOUT ANY WARRANTY; without even the implied warranty of
20 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
21 General Public License for more details.
22
23 You should have received a copy of the GNU General Public License
24 along with Prometheus Qos; if not, write to the Free Software
25 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
26
27 GNU General Public License is located in file COPYING */
28
29 #define STRLEN 256
30 #define FIRSTGROUPID 1024
31 #define FIRSTIPCLASS 2048
32 #undef DEBUG
33
34 #include "cll1-0.6.2.h"
35
36 const char *version = "0.8.3-d";
37
38 /* Version numbers: 0.8.3 is development releases ("beta"), 0.8.4 will be "stable" */
39 /* Debian(RPM) package versions/patchlevels: 0.7.9-2, 0.8.0-1, 0.8.0-2, etc. */
40 /* C source code development versions ("beta"): 0.7.9-a, 0.8.1-b, etc. */
41 /* C source code release versions: 0.8.0, 0.8.2, 0.8.4, etc. */
42
43 const char *stats_html_signature = "<span class=\"small\">Statistics generated by Prometheus QoS version %s<br />GPL+Copyright(C)2005-2012 Michael Polak, <a target=\"_blank\" href=\"http://www.arachne.cz/\">Arachne Labs</a></span>\n";
44
45 /* ======= All path names are defined here (for RPM patch) ======= */
46
47 const char *tc = "/sbin/tc"; /* requires tc with HTB support */
48 const char *iptables = "/sbin/iptables"; /* requires iptables utility */
49 const char *iptablessave = "/sbin/iptables-save"; /* not yet required */
50 const char *iptablesrestore = "/sbin/iptables-restore"; /* requires iptables-restore */
51 const char *ls = "/bin/ls"; /* this is not user configurable :-) */
52
53 char *config = "/etc/prometheus/prometheus.conf"; /* main configuration file */
54 char *hosts = "/etc/prometheus/hosts"; /* per-IP bandwidth definition file */
55
56 char *iptablesfile = "/var/spool/prometheus.iptables"; /* temporary file for iptables-restore*/
57 char *credit = "/var/lib/misc/prometheus.credit"; /* credit log file */
58 char *classmap = "/var/lib/misc/prometheus.classes"; /* credit log file */
59 char *html = "/var/www/traffic.html"; /* hall of fame - html version */
60 char *preview = "/var/www/preview.html"; /* hall of fame preview */
61 char *json = "/var/www/traffic.json"; /* hall of fame - json version */
62 char *cmdlog = "/var/log/prometheuslog"; /* command log filename */
63 char *log_dir = "/var/www/logs/"; /* log directory pathname, ended with slash */
64 char *log_url = "/logs/"; /* log directory relative URI prefix (partial URL) */
65 char *html_log_dir = "/var/www/logs/html/";
66
67 char *jquery_url = "http://code.jquery.com/jquery-latest.js";
68 char *lms_url = "/lms/?m=customerinfo&amp;id=";
69 int use_jquery_popups = 1;
70 int row_odd_even = 0; /*<tr class="odd/even"> */
71
72
73 const char *tr_odd_even(void)
74 {
75 row_odd_even = 1 - row_odd_even;
76 if(row_odd_even)
77 {
78 return "<tr class=\"even\">\n";
79 }
80 else
81 {
82 return "<tr class=\"odd\">\n";
83 }
84 }
85
86 /* ======= Help screen is hopefuly self-documenting part of code :-) ======= */
87
88 void help(void)
89 {
90 puts("Command line switches:\n\
91 \n\
92 -?, --help this help screen\n\
93 -v, --version show Version number of this utility and exit\n\
94 -c filename force alternative /etc/prometheus.Conf filename\n\
95 -h filename force alternative /etc/Hosts filename (overrides hosts keyword)\n\
96 -f just Flush iptables and tc classes and exit (stop shaping)\n\
97 -9 emergency iptables flush (do not read data transfer statistics)\n\
98 -p just generate Preview of data transfer statistics and exit\n\
99 -d Dry run (preview tc and iptables commands on stdout)\n\
100 -r Run (reset all statistics and start shaping)\n\
101 -n run Now (start shaping without delay - overrides qos-free-delay keyword)\n\
102 -l Mmm YYYY generate HTML summary of traffic Logs (Mmm=Jan-Dec or Year, YYYY=year)\n\
103 -m generate HTML summary of traffic logs for yesterday's Month\n\
104 -y generate HTML summary of traffic logs for yesterday's Year\n");
105 /* not yet implemented:
106 -s start shaping! (keep data transfer statistics - but apply shaping)\n\
107 */
108 }
109
110 /* === Configuraration file values defaults - stored in global variables ==== */
111
112 int filter_type = 1; /*1 mark, 2 classify*/
113 char *mark = "MARK";
114 char *mark_iptables = "MARK --set-mark ";
115 int dry_run = 0; /* preview - use puts() instead of system() */
116 char *iptablespreamble = "*mangle\n:PREROUTING ACCEPT [0:0]\n:POSTROUTING ACCEPT [0:0]\n:INPUT ACCEPT [0:0]\n:OUTPUT ACCEPT [0:0]\n:FORWARD ACCEPT [0:0]";
117 FILE *iptables_file = NULL;
118 int enable_credit = 1; /* enable credit file */
119 int use_credit = 0; /* use credit file (if enabled)*/
120 char *title = "Hall of Fame - Greatest Suckers"; /* hall of fame title */
121 int hall_of_fame = 1; /* enable hall of fame */
122 char *lan = "eth0"; /* LAN interface */
123 char *lan_medium = "100Mbit"; /* 10Mbit/100Mbit ethernet */
124 char *wan = "eth1"; /* WAN/ISP interface */
125 char *wan_medium = "100Mbit"; /* 10Mbit/100Mbit ethernet */
126 char *qos_leaf = "sfq perturb 5"; /* leaf discipline */
127 char *qos_free_zone = NULL; /* QoS free zone */
128 int qos_proxy = 1; /* include proxy port to QoS */
129 int found_lmsid = 0; /* show links to users in LMS information system */
130 int include_upload = 1; /* upload+download=total traffic */
131 char *proxy_ip = "192.168.1.1/32"; /* our IP with proxy port */
132 int proxy_port = 3128; /* proxy port number */
133 long long int line = 1024; /* WAN/ISP download in kbps */
134 long long int up = 1024; /* WAN/ISP upload in kbps */
135 int free_min = 32; /* minimum guaranted bandwidth for all undefined hosts */
136 int free_max = 64; /* maximum allowed bandwidth for all undefined hosts */
137 int qos_free_delay = 0; /* seconds to sleep before applying new QoS rules */
138 int digital_divide = 2; /* controls digital divide weirdness ratio, 1...3 */
139 int max_nesting = 3; /* maximum nesting of HTB clases, built-in maximum seems to be 4 */
140 int htb_r2q = 256; /* should work for leaf values 512 kbps to 8 Mbps */
141 int burst = 8; /* HTB burst (in kbits) */
142 int burst_main = 64;
143 int burst_group = 32;
144 int magic_treshold = 8; /* reduce ceil by X*magic_treshhold kbps (hard shaping) */
145 int keywordcount = 0;
146 /* not yet implemented:
147 int fixed_packets = 0; maximum number of pps per IP address (not class!)
148 int packet_limit = 5; maximum number of pps to htn CEIL, not rate !!!
149 */
150 FILE *log_file = NULL;
151 char *kwd = "via-prometheus"; /* /etc/hosts comment, eg. #qos-64-128 */
152
153 const int highest_priority = 0; /* highest HTB priority (HTB built-in value is 0) */
154 const int lowest_priority = 7; /* lowest HTB priority (HTB built-in value is 7) */
155 const int idxtable_treshold1 = 24; /* this is no longer configurable */
156 const int idxtable_treshold2 = 12; /* this is no longer configurable */
157 const int idxtable_bitmask1 = 3; /* this is no longer configurable */
158 const int idxtable_bitmask2 = 3; /* this is no longer configurable */
159
160 /* ==== This is C<<1 stuff - learn C<<1 first! https://dev.arachne.cz/svn/cll1h ==== */
161
162 struct IP
163 {
164 char *addr;
165 char *name;
166 char *sharing;
167 int min;
168 int desired;
169 int max;
170 int mark;
171 int prio;
172 int fixedprio;
173 int group;
174 int lmsid;
175 unsigned long long direct;
176 unsigned long long proxy;
177 unsigned long long upload;
178 unsigned long long traffic;
179 unsigned long long credit;
180 unsigned long pktsup;
181 unsigned long pktsdown;
182 struct Keyword *keyword;
183 list(IP);
184 } *ips=NULL, *ip, *sharedip;
185
186 struct Group
187 {
188 int min;
189 int count;
190 int desired;
191 int id;
192 list(Group);
193 } *groups=NULL, *group;
194
195 struct Index
196 {
197 char *addr;
198 char *id;
199 struct Index *parent;
200 int bitmask;
201 int children;
202 list(Index);
203 } *idxs=NULL, *idx, *metaindex;
204
205 struct Keyword
206 {
207 char *key;
208
209 int asymetry_ratio; /* ratio for ADSL-like upload */
210 int asymetry_fixed; /* fixed treshold for ADSL-like upload */
211 int data_limit; /* hard shaping: apply magic_treshold if max*data_limit MB exceeded */
212 int data_prio; /* soft shaping (qos): reduce HTB prio if max*data_prio MB exceeded */
213 long fixed_limit; /* fixed data limit for setting lower HTB ceil */
214 long fixed_prio; /* fixed data lmit for setting lower HTB prio */
215 int reserve_min; /* bonus for nominal HTB rate bandwidth (in kbps) */
216 int reserve_max; /* malus for nominal HTB ceil (in kbps) */
217 // int divide_max; /* relative malus: new_ceil=rate+(old_ceil-rate)/divide_max */
218 // int htb_ceil_bonus_divide; /* relative bonus: new_ceil=old_ceil+old_ceil/htb_ceil_bonus_divide */
219 int default_prio; /* default HTB priority for this keyword */
220 char *html_color;
221 int ip_count;
222 char *leaf_discipline;
223
224 list(Keyword);
225 } *keyword,*defaultkeyword=NULL,*keywords=NULL;
226
227 /* Damned, this must be object oriented! This looks almost like constructor ;-) */
228
229 void TheIP(void)
230 {
231 create(ip,IP);
232 ip->name = "";
233 ip->addr = "";
234 ip->sharing = NULL;
235 ip->prio = highest_priority+1;
236 ip->lmsid = -1;
237 ip->fixedprio = \
238 ip->mark = \
239 ip->min = \
240 ip->max = \
241 ip->desired = \
242 ip->credit = \
243 ip->upload = \
244 ip->proxy = \
245 ip->direct = \
246 ip->traffic = \
247 ip->pktsup = \
248 ip->pktsdown = 0;
249 ip->keyword = keywords;
250 push(ip,ips);
251 }
252
253 /* ====== iptables indexes are used to reduce complexity to log8(N) ===== */
254
255 char *very_ugly_ipv4_code(char *inip,int bitmask,int format_as_chainname)
256 {
257 /* warning: this function was debugged only for bitmask values 20,24,28 !!!*/
258 int dot=0, n;
259 char *ip,*outip,*outptr,*fmt;
260
261 duplicate(inip,ip);
262 /* debug printf("(%s,%d) -> ",ip,bitmask); */
263
264 if(ip && *ip && bitmask>=0 && bitmask<=32)
265 {
266 string(outip,strlen(ip)+10); /*fuck unicode? assertion: 10>strlen("_%d_%d") */
267 }
268 else
269 {
270 /* should never exit here */
271 return "undefined";
272 }
273 outptr=outip;
274 while(ip && *ip)
275 {
276 if(*ip=='.')
277 {
278 if(dot<(bitmask/8-1))
279 {
280 if(format_as_chainname)
281 {
282 *outptr='_';
283 }
284 else
285 {
286 *outptr='.';
287 }
288 outptr++;
289 dot++;
290 }
291 else
292 {
293 char *cutdot=strchr(ip+1,'.'); /*for bitmask<24*/
294 if(cutdot)
295 {
296 *cutdot = '\0';
297 }
298
299 if(format_as_chainname)
300 {
301 fmt = "_%d_%d";
302 }
303 else
304 {
305 fmt = ".%d";
306 }
307
308 if(bitmask%8)
309 {
310 n = atoi(ip+1)-atoi(ip+1)%(1<<(8-bitmask%8));
311 }
312 else
313 {
314 n = 0;
315 }
316
317 /*debug printf("%d/%d => [_%d_%d]\n",atoi(ip+1),bitmask,n,bitmask); */
318 sprintf(outptr,fmt,n,bitmask);
319 if(!format_as_chainname)
320 {
321 while(bitmask<24)
322 {
323 strcat(outip,".0");
324 bitmask+=8;
325 }
326 }
327 /* debug printf("[%s]\n",outip); */
328 return outip;
329 }
330 }
331 else
332 {
333 *outptr=*ip;
334 outptr++;
335 }
336 ip++;
337 }
338 /*should never exit here*/
339 *outptr='\0';
340 return outip;
341 }
342
343 char *hash_id(char *ip,int bitmask)
344 {
345 return very_ugly_ipv4_code(ip,bitmask,1);
346 }
347
348 char *subnet_id(char *ip,int bitmask)
349 {
350 return very_ugly_ipv4_code(ip,bitmask,0);
351 }
352
353 /* ================= Let's parse configuration file here =================== */
354
355 void reject_config_and_exit(char *filename)
356 {
357 printf("Configuration file %s rejected - abnormal exit.",filename);
358 exit(-1);
359 }
360
361 void get_config(char *config_filename)
362 {
363 char *cnf="mark";
364
365 printf("Configured keywords: ");
366 parse(config_filename)
367 {
368 option("keyword",kwd);
369 if(kwd)
370 {
371 printf("%s ",kwd);
372
373 create(keyword,Keyword);
374 keyword->key=kwd;
375 keyword->asymetry_ratio=1; /* ratio for ADSL-like upload */
376 keyword->asymetry_fixed=0; /* fixed treshold for ADSL-like upload */
377 keyword->data_limit=8; /* hard shaping: apply magic_treshold if max*data_limit MB exceeded */
378 keyword->data_prio=4; /* soft shaping (qos): reduce HTB prio if max*data_prio MB exceeded */
379 keyword->fixed_limit=0; /* fixed data limit for setting lower HTB ceil */
380 keyword->fixed_prio=0; /* fixed data limit for setting lower HTB prio */
381 keyword->reserve_min=8; /* bonus for nominal HTB rate bandwidth (in kbps) */
382 keyword->reserve_max=0; /* malus for nominal HTB ceil (in kbps) */
383 keyword->default_prio=highest_priority+1;
384 keyword->html_color="000000";
385 keyword->ip_count=0;
386 keyword->leaf_discipline="";
387
388 push(keyword,keywords);
389 if(!defaultkeyword) defaultkeyword=keyword;
390 keywordcount++;
391
392 kwd=NULL;
393 }
394 else
395 {
396 for_each(keyword,keywords)
397 {
398 int l=strlen(keyword->key);
399
400 if(!strncmp(keyword->key,_,l) && strlen(_)>l+2)
401 {
402 char *tmptr=_; /* <---- l+1 ----> */
403 _+=l+1; /* via-prometheus-asymetry-ratio, etc. */
404 ioption("asymetry-ratio",keyword->asymetry_ratio);
405 ioption("asymetry-treshold",keyword->asymetry_fixed);
406 ioption("magic-relative-limit",keyword->data_limit);
407 ioption("magic-relative-prio",keyword->data_prio);
408 loption("magic-fixed-limit",keyword->fixed_limit);
409 loption("magic-fixed-prio",keyword->fixed_prio);
410 ioption("htb-default-prio",keyword->default_prio);
411 ioption("htb-rate-bonus",keyword->reserve_min);
412 ioption("htb-ceil-malus",keyword->reserve_max);
413 option("leaf-discipline",keyword->leaf_discipline);
414 option("html-color",keyword->html_color);
415 _=tmptr;
416
417 if(keyword->data_limit || keyword->fixed_limit ||
418 keyword->data_prio || keyword->fixed_prio)
419 {
420 use_credit=1;
421 }
422 }
423 }
424 }
425
426 option("tc",tc);
427 option("iptables",iptables);
428 option("iptables-save",iptablessave); /* new */
429 option("iptables-restore",iptablesrestore); /* new */
430 option("iptables-in-filename",iptablesfile); /* new */
431 option("hosts",hosts);
432 option("lan-interface",lan);
433 option("wan-interface",wan);
434 option("lan-medium",lan_medium);
435 option("wan-medium",wan_medium);
436 lloption("wan-download",line);
437 lloption("wan-upload",up);
438 ioption("hall-of-fame-enable",hall_of_fame);
439 option("hall-of-fame-title",title);
440 option("hall-of-fame-filename",html);
441 option("json-filename",json);
442 option("hall-of-fame-preview",preview);
443 option("log-filename",cmdlog);
444 option("credit-filename",credit);
445 option("classmap-filename",classmap);
446 ioption("credit-enable",enable_credit);
447 option("log-traffic-directory",log_dir);
448 option("log-traffic-html-directory",html_log_dir);
449 option("log-traffic-url-path",log_url);
450 option("jquery-url",jquery_url);
451 option("lms-url",lms_url);
452 ioption("use-jquery-popups",use_jquery_popups);
453 option("qos-free-zone",qos_free_zone);
454 ioption("qos-free-delay",qos_free_delay);
455 ioption("qos-proxy-enable",qos_proxy);
456 option("qos-proxy-ip",proxy_ip);
457 option("htb-leaf-discipline",qos_leaf);
458 ioption("qos-proxy-port",proxy_port);
459 ioption("free-rate",free_min);
460 ioption("free-ceil",free_max);
461 ioption("htb-burst",burst);
462 ioption("htb-burst-main",burst_main);
463 ioption("htb-burst-group",burst_group);
464 ioption("htb-nesting-limit",max_nesting);
465 ioption("htb-r2q",htb_r2q);
466 ioption("magic-include-upload",include_upload);
467 ioption("magic-treshold",magic_treshold);
468 option("filter-type", cnf);
469 /* not yet implemented:
470 ioption("magic-fixed-packets",fixed_packets);
471 ioption("magic-relative-packets",packet_limit);
472 */
473 }
474 fail
475 {
476 perror(config_filename);
477 puts("Warning - using built-in defaults instead ...");
478 }
479 done;
480 printf("\n");
481
482 /* leaf discipline for keywords */
483 for_each(keyword,keywords)
484 {
485 if(!strcmpi(keyword->leaf_discipline, ""))
486 {
487 keyword->leaf_discipline = qos_leaf;
488 }
489 }
490
491 if(strcmpi(cnf, "mark"))
492 {
493 filter_type = 2;
494 mark = "CLASSIFY";
495 mark_iptables = "CLASSIFY --set-class 1:";
496 }
497 else
498 {
499 filter_type = 1;
500 mark = "MARK";
501 mark_iptables = "MARK --set-mark ";
502 }
503
504 /* are supplied values meaningful ?*/
505 if(line<=0 || up<=0)
506 {
507 puts("Illegal value of LAN or WAN bandwidth: 0 kbps.");
508 reject_config_and_exit(config_filename);
509 }
510 }
511
512 /* ===================== traffic analyser - uses iptables ================ */
513
514 void get_traffic_statistics(void)
515 {
516 char *str,*cmd;
517 int downloadflag=0;
518
519 textfile(Pipe,str) *line,*lines=NULL;
520 string(str,STRLEN);
521 string(cmd,STRLEN);
522
523 sprintf(cmd,"%s -L -v -x -n -t mangle",iptables);
524 shell(cmd);
525 input(str,STRLEN)
526 {
527 create(line,Pipe);
528 line->str=str;
529 string(str,STRLEN);
530 append(line,lines);
531 }
532
533 for_each(line,lines)
534 {
535 int col, accept=0,proxyflag=0,valid=1,setchainname=0,commonflag=0;
536 unsigned long long traffic=0;
537 unsigned long pkts=0;
538 char *ipaddr=NULL,*ptr;
539
540 /* debug puts(line->str); */
541 valid_columns(ptr,line->str,' ',col)
542 if(valid) switch(col)
543 {
544 case 1: if(eq(ptr,"Chain"))
545 {
546 setchainname=1;
547 }
548 else if(eq(ptr,"pkts"))
549 {
550 valid=0;
551 }
552 else
553 {
554 sscanf(ptr,"%lu",&pkts);
555 }
556 break;
557 case 2: if(setchainname)
558 {
559 if(!strncmp(ptr,"post_",5) || eq(ptr,"POSTROUTING"))
560 {
561 downloadflag = 1;
562 }
563 else
564 {
565 if(!strncmp(ptr,"forw_",5) || eq(ptr,"FORWARD"))
566 {
567 downloadflag = 0;
568 }
569 }
570 if(eq(ptr,"post_common") || eq(ptr,"forw_common"))
571 {
572 commonflag = 1;
573 }
574 }
575 else
576 {
577 sscanf(ptr,"%Lu",&traffic);
578 traffic += (1<<19);
579 traffic >>= 20;
580 }
581 break;
582 case 3: if((strncmp(ptr,"post_",5) && strncmp(ptr,"forw_",5)) || commonflag)
583 {
584 accept=eq(ptr,mark);
585 }
586 /*if(filter_type==1) accept=eq(ptr,"MARK"); else accept=eq(ptr,"CLASSIFY");*/
587 break;
588 case 8: if(downloadflag)
589 {
590 if(strstr(proxy_ip,ptr))
591 {
592 proxyflag=1;
593 }
594 }
595 else
596 {
597 ipaddr=ptr;
598 }
599 break;
600 case 9: if(downloadflag)ipaddr=ptr;break;
601 }
602
603 if(accept && traffic>0 && ipaddr)
604 {
605 if(proxyflag)
606 {
607 printf("(proxy) ");
608 }
609 else if(!downloadflag)
610 {
611 printf("(upload) ");
612 }
613 printf("IP %s: %Lu M (%ld pkts)\n", ipaddr, traffic, pkts);
614
615 if_exists(ip,ips,eq(ip->addr,ipaddr));
616 else
617 {
618 TheIP();
619 ip->addr=ipaddr;
620 if(eq(ip->addr,"0.0.0.0/0"))
621 {
622 ip->name="(unregistered)";
623 ip->min=free_min;
624 ip->max=ip->desired=free_max;
625 }
626 }
627
628 if(downloadflag)
629 {
630 if(proxyflag)
631 {
632 ip->proxy=traffic;
633 }
634 else
635 {
636 ip->traffic+=traffic;
637 }
638 ip->direct=ip->traffic-ip->upload-ip->proxy;
639 ip->pktsdown=pkts;
640 }
641 else
642 {
643 ip->upload=traffic;
644 ip->pktsup=pkts;
645 if(include_upload)
646 {
647 ip->traffic+=traffic;
648 }
649 else
650 {
651 if(traffic>ip->traffic)
652 {
653 ip->traffic=traffic;
654 }
655 }
656 }
657 }
658 }
659 free(cmd);
660 }
661
662 /* ========== This function executes, logs OR ALSO prints command ========== */
663
664 void safe_run(char *cmd)
665 {
666 if(dry_run)
667 {
668 printf("\n=>%s\n",cmd);
669 }
670 else
671 {
672 system(cmd);
673 }
674 if(log_file)
675 {
676 fprintf(log_file,"%s\n",cmd);
677 }
678 }
679
680 void save_line(char *line)
681 {
682 fprintf(iptables_file,"%s\n",line);
683 }
684
685 void run_restore(void)
686 {
687 char *restor;
688 string(restor,STRLEN);
689
690 /*-----------------------------------------------------------------*/
691 printf("Running %s <%s ...\n", iptablesrestore, iptablesfile);
692 /*-----------------------------------------------------------------*/
693
694 save_line("COMMIT");
695 fclose(iptables_file);
696 if(dry_run)
697 {
698 parse(iptablesfile)
699 {
700 printf("%s\n",_);
701 }
702 done;
703 }
704
705 sprintf(restor,"%s <%s",iptablesrestore, iptablesfile);
706 safe_run(restor);
707
708 free(restor);
709 }
710
711 /* == This function strips extra characters after IP address and stores it = */
712
713 void parse_ip(char *str)
714 {
715 char *ptr,*ipaddr=NULL,*ipname=NULL,*lmsid=NULL;
716
717 ptr=strchr(str,'{');
718 if(ptr)
719 {
720 lmsid=++ptr;
721 while(*ptr && *ptr!='}')
722 {
723 ptr++;
724 }
725 *ptr=0;
726 }
727
728 ptr=str;
729 while(*ptr && *ptr!=' ' && *ptr!=9)
730 {
731 ptr++;
732 }
733
734 *ptr=0;
735 ipaddr=str;
736 ptr++;
737 while(*ptr && (*ptr==' ' || *ptr==9))
738 {
739 ptr++;
740 }
741 ipname=ptr;
742 while(*ptr && *ptr!=' ' && *ptr!=9)
743 {
744 ptr++;
745 }
746 *ptr=0;
747
748 if_exists(ip,ips,eq(ip->addr,ipaddr));
749 else
750 {
751 TheIP();
752 }
753 ip->addr=ipaddr;
754 ip->name=ipname;
755 if(lmsid)
756 {
757 ip->lmsid=atoi(lmsid);
758 found_lmsid=1;
759 }
760 }
761
762 char *parse_datafile_line(char *str)
763 {
764 char *ptr=strchr(str,' ');
765
766 if(ptr)
767 {
768 *ptr=0;
769 ptr++;
770 return ptr;
771 }
772 else
773 {
774 return NULL;
775 }
776 }
777
778 struct IpLog
779 {
780 char *name;
781 long traffic;
782 long guaranted;
783 int i;
784 int lmsid;
785 long l;
786 list(IpLog);
787 } *iplog,*iplogs;
788
789 void parse_ip_log(int argc, char **argv)
790 {
791 char *month, *year, *str, *name="(undefined)", *ptr, *ptr2, *filename;
792 long traffic=0l, traffic_month, total=0, guaranted;
793 int col, col2, y_ok, m_ok, accept_month, i=1, any_month=0, lmsid;
794 char mstr[4], ystr[5];
795 FILE *f;
796 string(str,STRLEN);
797 string(filename,STRLEN);
798
799 if(argv[1][1]=='l') /* -l */
800 {
801 if(argc<4)
802 {
803 puts("Missing parameter(s)!\nUsage: prometheus -l Mmm YYYY (Mmm=Jan-Dec or Year, YYYY=year)");
804 exit(-1);
805 }
806 else
807 {
808 month=argv[2];
809 if(eq(month,"Year")) any_month=1;
810 year=argv[3];
811 }
812 }
813 else
814 {
815 time_t t = time(NULL) - 3600*24 ; /* yesterday's timestamp*/
816 struct tm *timep = localtime(&t);
817
818 if(argv[1][1]=='m') /* -m yestarday - month */
819 {
820 strftime(mstr, 4, "%b", timep);
821 month=mstr;
822 strftime(ystr, 5, "%Y", timep);
823 year=ystr;
824 }
825 else /* -y yesterday - year */
826 {
827 month="Year";
828 any_month=1;
829 strftime(ystr, 5, "%Y", timep);
830 year=ystr;
831 }
832 }
833 printf("Analysing traffic for %s %s ...\n",month,year);
834
835 /* sorry... next release of C<<1 header file will include for_path_files(name,path) { } macro */
836 sprintf(str,"%s %s/",ls,log_dir);
837 shell(str);
838 input(str,STRLEN)
839 {
840 if(strstr(str,".log"))
841 {
842 ptr=strrchr(str,'\n');
843 if(ptr) *ptr='\0';
844 sprintf(filename,"%s/%s",log_dir,str);
845 printf("Parsing %s ...",filename);
846 accept_month=0;
847 traffic_month=0;
848 guaranted=0;
849 lmsid=-1;
850 parse(filename)
851 {
852 y_ok=m_ok=0;
853 valid_columns(ptr,_,'\t',col) switch(col)
854 {
855 case 2: name = ptr;break;
856 case 3: traffic = atol(ptr);break;
857 /* column number - was 7, now 11...*/
858 case 7:
859 case 8:
860 case 9:
861 case 10:
862 case 11: if(isalpha(*ptr)) /* character, not numeric string = date, just one*/
863 {
864 valid_columns(ptr2,ptr,' ',col2) switch(col2)
865 {
866 case 2: if(any_month || eq(ptr2,month)) m_ok = 1; break;
867 case 5: if(eq(ptr2,year)) y_ok = 1; break;
868 }
869 }
870 else
871 {
872 if(col == 7) guaranted = atol(ptr);
873 if(col == 10) lmsid = atoi(ptr);
874 }
875 }
876
877 if(y_ok && m_ok)
878 {
879 traffic_month += traffic;
880 accept_month = 1;
881 }
882 }
883 done;
884
885 if(accept_month)
886 {
887 create(iplog,IpLog);
888 iplog->name = name;
889 iplog->guaranted = guaranted;
890 iplog->traffic = traffic_month;
891 iplog->lmsid = lmsid;
892 insert(iplog,iplogs,desc_order_by,traffic);
893 printf(" %ld MB\n",iplog->traffic);
894 }
895 else
896 {
897 puts(" no records.");
898 }
899 }
900 }
901 sprintf(str,"%s/%s-%s.html",html_log_dir,year,month);
902 printf("Writing %s ... ",str);
903 f=fopen(str,"w");
904 if(f > 0)
905 {
906 fprintf(f, "<table class=\"decorated last\"><thead>\n\
907 <tr><th colspan=\"2\">%s %s</th>\n\
908 <th style=\"text-align: right\">lms</th>\n\
909 <th colspan=\"2\">Data transfers</th>\n\
910 <th style=\"text-align: right\">Min.speed</th>\n\
911 </tr></thead><tbody>\n ",
912 month, year);
913
914 row_odd_even = 0;
915 for_each(iplog, iplogs)
916 {
917 if(iplog->traffic)
918 {
919 fprintf(f, "%s<td style=\"text-align: right\">%d</td>\n\
920 <td style=\"text-align: left\"><a class=\"blue\" target=\"_blank\" href=\"%s%s.log\">%s</td>\n\
921 <td style=\"text-align: right\">",
922 tr_odd_even(), i++, log_url, iplog->name, iplog->name);
923 if(iplog->lmsid > 0)
924 {
925 /*base URL will be configurable soon ... */
926 fprintf(f, "<a class=\"blue\" target=\"_blank\" href=\"%s%d\">%04d</a>\n", lms_url, iplog->lmsid, iplog->lmsid);
927 }
928 else if(iplog->lmsid == 0)
929 {
930 fputs("-------",f);
931 }
932 fprintf(f, "<td style=\"text-align: right\">%ld&nbsp;MB</td>\n\
933 <td style=\"text-align: right\"><strong>%ld&nbsp;GB</strong></td>\n\
934 <td style=\"text-align: right\">%ld&nbsp;kb/s</th></tr>\n",
935 iplog->traffic, iplog->traffic>>10, iplog->guaranted);
936 total+=iplog->traffic>>10;
937 iplog->i=i;
938 iplog->l=total;
939 }
940 }
941 fprintf(f,"</tbody><thead><tr>\
942 <th colspan=\"3\" style=\"text-align: left\">Total:</th>\
943 <th colspan=\"2\" style=\"text-align: right\"><strong>%ld&nbsp;GB</strong></th>\
944 <th style=\"text-align: right\"><strong>%Ld&nbsp;kb/s</strong></th></tr>\n", total, line);
945 fputs("</thead></table>\n", f);
946
947 row_odd_even = 0;
948 if(i>10)
949 {
950 fputs("<a name=\"erp\"></a><p><table class=\"decorated last\">\n\
951 <caption>Enterprise Resource Planning (ERP)</caption>\n\
952 <thead><tr>\n\
953 <th>Analytic category</th>\n\
954 <th colspan=\"2\" style=\"text-align: center\">Active Classes</th>\n\
955 <th colspan=\"2\" style=\"text-align: center\">Data transfers</th>\n\
956 </tr></thead><tbody>\n",f);
957
958 if_exists(iplog,iplogs,iplog->l>=total/4)
959 {
960 fprintf(f,"%s<td>Top 25%% of traffic</td>\n", tr_odd_even());
961 fprintf(f,"<td style=\"text-align: right\">%d</td>\n\
962 <td style=\"text-align: right\">%d %%</td>\n\
963 <td style=\"text-align: right\">%ld GB</td>\n\
964 <td style=\"text-align: right\">%d %%</td></tr>\n",
965 iplog->i, (100*iplog->i+50)/i, iplog->l, (int)((100*iplog->l+50)/total));
966 }
967
968 if_exists(iplog,iplogs,iplog->i==10)
969 {
970 fprintf(f,"%s<td>Top 10 downloaders</td>\n", tr_odd_even());
971 fprintf(f,"<td style=\"text-align: right\"><strong>10</strong></td>\n\
972 <td style=\"text-align: right\">%d %%</td>\n\
973 <td style=\"text-align: right\">%ld GB</td>\n\
974 <td style=\"text-align: right\">%d %%</td></tr>\n",
975 (100*iplog->i+50)/i, iplog->l, (int)((100*iplog->l+50)/total));
976 }
977
978 if_exists(iplog,iplogs,iplog->l>=total/2)
979 {
980 fprintf(f,"%s<td>Top 50%% of traffic</td>\n", tr_odd_even());
981 fprintf(f,"<td style=\"text-align: right\">%d</td>\n\
982 <td style=\"text-align: right\">%d %%</td>\n\
983 <td style=\"text-align: right\">%ld GB</td>\n\
984 <td style=\"text-align: right\"><strong>%d %%</strong></td></tr>\n",
985 iplog->i,(100*iplog->i+50)/i,iplog->l,(int)((100*iplog->l+50)/total));
986 }
987
988 if_exists(iplog,iplogs,iplog->l>=4*total/5)
989 {
990 fprintf(f,"%s<td>Top 80%% of traffic</td>\n",tr_odd_even());
991 fprintf(f,"<td style=\"text-align: right\">%d</td>\n\
992 <td style=\"text-align: right\">%d %%</td>\n\
993 <td style=\"text-align: right\">%ld GB</td>\n\
994 <td style=\"text-align: right\"><strong>%d %%</strong></td></tr>\n",
995 iplog->i, (100*iplog->i+50)/i, iplog->l, (int)((100*iplog->l+50)/total));
996 }
997
998 if_exists (iplog,iplogs,iplog->i>=i/5)
999 {
1000 fprintf(f,"%s<td>Top 20%% downloaders</td>\n",tr_odd_even());
1001 fprintf(f,"<td style=\"text-align: right\">%d</td>\n\
1002 <td style=\"text-align: right\"><strong>%d %%</strong></td>\n\
1003 <td style=\"text-align: right\">%ld GB</td>\n\
1004 <td style=\"text-align: right\">%d %%</td></tr>\n",
1005 iplog->i, (100*iplog->i+50)/i, iplog->l, (int)((100*iplog->l+50)/total));
1006 }
1007
1008 if_exists(iplog,iplogs,iplog->i>=i/4)
1009 {
1010 fprintf(f,"%s<td>Top 25%% downloaders</td>\n", tr_odd_even());
1011 fprintf(f,"<td style=\"text-align: right\">%d</td>\n\
1012 <td style=\"text-align: right\">%d %%</td>\n\
1013 <td style=\"text-align: right\">%ld GB</td>\n\
1014 <td style=\"text-align: right\">%d %%</td></tr>\n",
1015 iplog->i, (100*iplog->i+50)/i, iplog->l, (int)((100*iplog->l+50)/total));
1016 }
1017
1018 if_exists(iplog,iplogs,iplog->i>=i/2)
1019 {
1020 fprintf(f,"%s<td>Top 50%% downloaders</td>\n",tr_odd_even());
1021 fprintf(f,"<td style=\"text-align: right\">%d</td>\n\
1022 <td style=\"text-align: right\"><strong>%d %%</strong></td>\n\
1023 <td style=\"text-align: right\">%ld GB</td>\n\
1024 <td style=\"text-align: right\">%d %%</td></tr>\n",
1025 iplog->i, (100*iplog->i+50)/i, iplog->l, (int)((100*iplog->l+50)/total));
1026 }
1027
1028 if_exists(iplog,iplogs,iplog->i>=4*i/5)
1029 {
1030 fprintf(f,"%s<td>Top 80%% downloaders</td>\n",tr_odd_even());
1031 fprintf(f,"<td style=\"text-align: right\">%d</td>\n\
1032 <td style=\"text-align: right\">%d %%</td>\n\
1033 <td style=\"text-align: right\">%ld GB</td>\n\
1034 <td style=\"text-align: right\">%d %%</td></tr>\n",
1035 iplog->i, (100*iplog->i+50)/i, iplog->l, (int)((100*iplog->l+50)/total));
1036 }
1037
1038 fprintf(f,"</tbody><thead><tr><th><a class=\"blue\" target=\"_blank\" href=\"%sERP.log\">All users, all traffic</a></th>\n", log_url);
1039 fprintf(f,"<th style=\"text-align: right\">%d</th>\n\
1040 <th style=\"text-align: right\">100 %%</th>\n\
1041 <th style=\"text-align: right\">%ld GB</th>\n\
1042 <th style=\"text-align: right\">100 %%</th></tr>\n",i-1,total);
1043 fputs("</thead></table>\n", f);
1044 }
1045
1046 fprintf(f, stats_html_signature, version);
1047 fclose(f);
1048 puts("done.");
1049 }
1050 else
1051 {
1052 perror(str);
1053 }
1054 }
1055
1056 void append_log(struct IP *self) /*using global variables*/
1057 {
1058 char *d, *str;
1059 FILE *f;
1060
1061 date(d); /* this is typical cll1.h macro - prints current date */
1062 string(str,STRLEN);
1063 sprintf(str,"%s/%s.log", log_dir, self->name);
1064 f=fopen(str,"a");
1065 if(f > 0)
1066 {
1067 fprintf(f,"%ld\t%s\t%Lu\t%Lu\t%Lu\t%Lu\t%d\t%d\t%d\t%d\t%s",
1068 time(NULL), self->name, self->traffic, self->direct, self->proxy,
1069 self->upload, self->min, self->max, self->desired, self->lmsid, d); /* d = date*/
1070 fclose(f);
1071 }
1072 else
1073 {
1074 perror(str);
1075 }
1076 }
1077
1078
1079 /*-----------------------------------------------------------------*/
1080 /* Are you looking for int main(int argc, char **argv) ? :-)) */
1081 /*-----------------------------------------------------------------*/
1082
1083 program
1084 {
1085 int i=0;
1086 FILE *f=NULL;
1087 char *str, *ptr, *d;
1088 char *substring;
1089 int class_count=0,ip_count=0;
1090 int parent=1;
1091 int just_flush=FALSE;
1092 int nodelay=FALSE;
1093 int just_preview=FALSE; /* preview - generate just stats */
1094 int just_logs=FALSE; /* just parse logs */
1095 int run=FALSE;
1096 int total=0;
1097
1098 char *chain_forward, *chain_postrouting;
1099 char *althosts=NULL;
1100
1101 printf("\n\
1102 Prometheus QoS - \"fair-per-IP\" Quality of Service setup utility.\n\
1103 Version %s - Copyright (C)2005-2012 Michael Polak (xChaos)\n\
1104 iptables-restore & burst tunning & classify modification by Ludva\n\
1105 Credit: CZFree.Net, Martin Devera, Netdave, Aquarius, Gandalf\n\n",version);
1106
1107 /*----- Boring... we have to check command line options first: ----*/
1108
1109 arguments
1110 {
1111 argument("-c") { nextargument(config); }
1112 argument("-h") { nextargument(althosts);}
1113 argument("-d") { run=TRUE; dry_run=TRUE; }
1114 argument("-f") { run=TRUE; just_flush=TRUE; }
1115 argument("-9") { run=TRUE; just_flush=9; }
1116 argument("-p") { run=TRUE; just_preview=TRUE; }
1117 argument("-r") { run=TRUE; }
1118 argument("-n") { run=TRUE; nodelay=TRUE; }
1119 argument("-l") { just_logs=TRUE; }
1120 argument("-m") { just_logs=TRUE; }
1121 argument("-y") { just_logs=TRUE; }
1122 argument("-?") { help(); exit(0); }
1123 argument("--help") { help(); exit(0); }
1124 argument("-v") { exit(0); }
1125 argument("--version") { exit(0); }
1126 }
1127
1128 if(dry_run)
1129 {
1130 puts("*** THIS IS JUST DRY RUN ! ***\n");
1131 }
1132
1133 date(d); /* this is typical cll1.h macro - prints current date */
1134
1135 /*-----------------------------------------------------------------*/
1136 printf("Parsing configuration file %s ...\n", config);
1137 /*-----------------------------------------------------------------*/
1138 get_config(config);
1139
1140 if(just_logs)
1141 {
1142 parse_ip_log(argc,argv);
1143 exit(0);
1144 }
1145 else if(not run)
1146 {
1147 help();
1148 exit(0);
1149 }
1150
1151 if(althosts)
1152 {
1153 hosts=althosts;
1154 }
1155
1156 if(just_flush<9)
1157 {
1158 /*-----------------------------------------------------------------*/
1159 puts("Parsing iptables verbose output ...");
1160 /*-----------------------------------------------------------------*/
1161 get_traffic_statistics();
1162 }
1163
1164 /*-----------------------------------------------------------------*/
1165 printf("Parsing class defintion file %s ...\n", hosts);
1166 /*-----------------------------------------------------------------*/
1167 int groupidx = FIRSTGROUPID;
1168 parse(hosts)
1169 {
1170 str=_;
1171
1172 if(*str<'0' || *str>'9')
1173 {
1174 /* any line starting with non-number is comment ...*/
1175 continue;
1176 }
1177
1178 //Does this IP share QoS class with some other ?
1179 substring=strstr(str,"sharing-");
1180 if(substring)
1181 {
1182 substring+=8; //"sharing-"
1183 parse_ip(str);
1184 ip_count++;
1185 ip->sharing=substring;
1186 ip->keyword=defaultkeyword; /* settings for default keyword */
1187 while(*substring && *substring!='\n')
1188 {
1189 substring++;
1190 }
1191 *substring=0;
1192 }
1193 else
1194 {
1195 //Do we have to create new QoS class for this IP ?
1196
1197 if_exists(keyword,keywords,(substring=strstr(str,keyword->key)))
1198 {
1199 parse_ip(str);
1200 ip_count++;
1201 ip->keyword=keyword;
1202 keyword->ip_count++;
1203 ip->prio=keyword->default_prio;
1204 substring+=strlen(keyword->key)+1;
1205 ptr=substring;
1206 while(*ptr && *ptr!='-')
1207 {
1208 ptr++;
1209 }
1210 if(*ptr=='-')
1211 {
1212 *ptr=0;
1213 ip->max = ip->desired=atoi(ptr+1);
1214 }
1215 ip->min = atoi(substring);
1216 if(ip->min <= 0)
1217 {
1218 printf(" %s: Illegal value of minimum bandwidth 0 kbps, using %d kb/s\n",
1219 str, free_min);
1220 ip->min = free_min;
1221 }
1222 if(ip->max <= ip->min)
1223 {
1224 ip->fixedprio = 1;
1225 ip->max = ip->min+ip->keyword->reserve_min;
1226 }
1227 else
1228 {
1229 ip->max -= ip->keyword->reserve_max;
1230 if(ip->max<ip->min)
1231 {
1232 ip->max=ip->min;
1233 }
1234 }
1235 ip->mark=FIRSTIPCLASS+1+class_count++;
1236
1237 if_exists(group,groups,group->min==ip->min)
1238 {
1239 group->count++;
1240 group->desired += ip->min;
1241 ip->group = group->id;
1242 }
1243 else
1244 {
1245 create(group,Group);
1246 group->min = ip->min;
1247 group->id = groupidx++;
1248 ip->group = group->id;
1249
1250 if(group->min<8) group->min=8;
1251 /* Warning - this is maybe because of primitive tc namespace, can be fixed */
1252 /* it is because class IDs are derived from min. bandwidth. - xCh */
1253 //if(group->min>MAX_GUARANTED_KBPS) group->min=MAX_GUARANTED_KBPS;
1254
1255 group->count=1;
1256 group->desired=ip->min;
1257 insert(group,groups,desc_order_by,min);
1258 }
1259 }//endif keyword-
1260 }//endif sharing-
1261 }
1262 fail
1263 {
1264 perror(hosts);
1265 exit(-1);
1266 }
1267 done;
1268
1269 /*-----------------------------------------------------------------*/
1270 /* cll1.h - let's allocate brand new character buffer... */
1271 /*-----------------------------------------------------------------*/
1272 string(str,STRLEN);
1273
1274 /*-----------------------------------------------------------------*/
1275 puts("Resolving shared connections ...");
1276 /*-----------------------------------------------------------------*/
1277 for_each(ip,ips) if(ip->sharing)
1278 {
1279 for_each(sharedip,ips) if(eq(sharedip->name,ip->sharing))
1280 {
1281 sharedip->traffic+=ip->traffic;
1282 ip->traffic=0;
1283 ip->mark=sharedip->mark;
1284 ip->lmsid=sharedip->lmsid;
1285 break;
1286 }
1287 if(!sharedip)
1288 {
1289 printf("Unresolved shared connection: %s %s sharing-%s\n",
1290 ip->addr, ip->name, ip->sharing);
1291 }
1292 }
1293
1294 if(enable_credit && just_flush<9)
1295 {
1296 /*-----------------------------------------------------------------*/
1297 printf("Parsing credit file %s ...\n", credit);
1298 /*-----------------------------------------------------------------*/
1299 parse(credit)
1300 {
1301 ptr=parse_datafile_line(_);
1302 if(ptr)
1303 {
1304 if_exists(ip,ips,eq(ip->addr,_))
1305 {
1306 sscanf(ptr,"%Lu",&(ip->credit));
1307 }
1308 }
1309 }
1310 done;
1311 }
1312
1313 if(!just_preview)
1314 {
1315 /*-----------------------------------------------------------------*/
1316 puts("Initializing iptables and tc classes ...");
1317 /*-----------------------------------------------------------------*/
1318
1319 iptables_file=fopen(iptablesfile,"w");
1320 if(iptables_file == NULL)
1321 {
1322 puts("Cannot open iptablesfile!");
1323 exit(-1);
1324 }
1325
1326 log_file=fopen(cmdlog,"w");
1327 if(log_file == NULL)
1328 {
1329 puts("Cannot open logfile!");
1330 exit(-1);
1331 }
1332
1333 save_line(iptablespreamble);
1334 run_restore();
1335
1336 sprintf(str,"%s qdisc del dev %s root 2>/dev/null",tc,lan);
1337 safe_run(str);
1338
1339 sprintf(str,"%s qdisc del dev %s root 2>/dev/null",tc,wan);
1340 safe_run(str);
1341
1342 iptables_file=fopen(iptablesfile,"w");
1343 save_line(iptablespreamble);
1344
1345 if(qos_free_zone && *qos_free_zone!='0')
1346 {
1347 char *chain;
1348
1349 sprintf(str,"-A FORWARD -d %s -o %s -j ACCEPT", qos_free_zone, wan);
1350 save_line(str);
1351
1352 if(qos_proxy)
1353 {
1354 save_line(":post_noproxy - [0:0]");
1355 sprintf(str,"-A POSTROUTING -p ! tcp -o %s -j post_noproxy", lan);
1356 save_line(str);
1357 sprintf(str,"-A POSTROUTING -s ! %s -o %s -j post_noproxy", proxy_ip, lan);
1358 save_line(str);
1359 sprintf(str,"-A POSTROUTING -s %s -p tcp --sport ! %d -o %s -j post_noproxy", proxy_ip, proxy_port, lan);
1360 save_line(str);
1361
1362 chain="post_noproxy";
1363 }
1364 else
1365 {
1366 chain="POSTROUTING";
1367 }
1368
1369 sprintf(str,"-A %s -s %s -o %s -j ACCEPT", chain, qos_free_zone, lan);
1370 save_line(str);
1371 }
1372
1373 if(ip_count>idxtable_treshold1 && !just_flush)
1374 {
1375 int idxcount=0, bitmask=32-idxtable_bitmask1; /* default net mask: 255.255.255.240 */
1376 char *subnet, *buf;
1377 /*-----------------------------------------------------------------*/
1378 printf("Detected %d addresses - indexing iptables rules to improve performance...\n",ip_count);
1379 /*-----------------------------------------------------------------*/
1380
1381 save_line(":post_common - [0:0]");
1382 save_line(":forw_common - [0:0]");
1383
1384 for_each(ip,ips) if(ip->addr && *(ip->addr) && !eq(ip->addr,"0.0.0.0/0"))
1385 {
1386 buf=hash_id(ip->addr,bitmask);
1387 if_exists(idx,idxs,eq(idx->id,buf))
1388 {
1389 idx->children++;
1390 }
1391 else
1392 {
1393 create(idx,Index);
1394 idx->addr=ip->addr;
1395 idx->id=buf;
1396 idx->bitmask=bitmask;
1397 idx->parent=NULL;
1398 idx->children=0;
1399 idxcount++;
1400 push(idx,idxs);
1401 }
1402 }
1403
1404 /* brutal perfomance optimalization */
1405 while(idxcount>idxtable_treshold2 && bitmask>2*idxtable_bitmask2)
1406 {
1407 bitmask-=idxtable_bitmask2;
1408 idxcount=0;
1409
1410 for_each(idx,idxs) if(idx->parent == NULL)
1411 {
1412 buf=hash_id(idx->addr,bitmask);
1413 if_exists(metaindex,idxs,eq(metaindex->id,buf))
1414 {
1415 metaindex->children++;
1416 }
1417 else
1418 {
1419 create(metaindex,Index);
1420 metaindex->addr=idx->addr;
1421 metaindex->id=buf;
1422 metaindex->bitmask=bitmask;
1423 metaindex->parent=NULL;
1424 metaindex->children=0;
1425 idxcount++;
1426 push(metaindex,idxs);
1427 }
1428 idx->parent=metaindex;
1429 }
1430 }
1431
1432 /* this should slightly optimize throughout ... */
1433 sort(idx,idxs,desc_order_by,children);
1434 sort(idx,idxs,order_by,bitmask);
1435
1436 i=0;
1437 for_each(idx,idxs)
1438 {
1439 subnet=subnet_id(idx->addr,idx->bitmask);
1440 printf("%d: %s/%d\n",
1441 ++i, subnet, idx->bitmask);
1442
1443 sprintf(str,":post_%s - [0:0]", idx->id);
1444 save_line(str);
1445
1446 sprintf(str,":forw_%s - [0:0]", idx->id);
1447 save_line(str);
1448
1449 if(idx->parent)
1450 {
1451 string(buf,strlen(idx->parent->id)+6);
1452 sprintf(buf,"post_%s",idx->parent->id);
1453 }
1454 else
1455 {
1456 buf="POSTROUTING";
1457 }
1458
1459 sprintf(str,"-A %s -d %s/%d -o %s -j post_%s", buf, subnet, idx->bitmask, lan, idx->id);
1460 save_line(str);
1461
1462 sprintf(str,"-A %s -d %s/%d -o %s -j post_common", buf, subnet, idx->bitmask, lan);
1463 save_line(str);
1464
1465 if(idx->parent)
1466 {
1467 string(buf,strlen(idx->parent->id)+6);
1468 sprintf(buf,"forw_%s",idx->parent->id);
1469 }
1470 else
1471 {
1472 buf="FORWARD";
1473 }
1474
1475 sprintf(str,"-A %s -s %s/%d -o %s -j forw_%s", buf, subnet, idx->bitmask, wan, idx->id);
1476 save_line(str);
1477
1478 sprintf(str,"-A %s -s %s/%d -o %s -j forw_common", buf, subnet, idx->bitmask, wan);
1479 save_line(str);
1480 }
1481 printf("Total indexed iptables chains created: %d\n", i);
1482
1483 sprintf(str,"-A FORWARD -o %s -j forw_common", wan);
1484 save_line(str);
1485
1486 sprintf(str,"-A POSTROUTING -o %s -j post_common", lan);
1487 save_line(str);
1488 }
1489
1490 }
1491
1492 if(just_flush)
1493 {
1494 fclose(iptables_file);
1495 if(log_file)
1496 {
1497 fclose(log_file);
1498 }
1499 puts("Just flushed iptables and tc classes - now exiting ...");
1500 exit(0);
1501 }
1502
1503 if(!just_preview)
1504 {
1505 if(!dry_run && !nodelay && qos_free_delay)
1506 {
1507 printf("Flushed iptables and tc classes - now sleeping for %d seconds...\n",qos_free_delay);
1508 sleep(qos_free_delay);
1509 }
1510
1511 sprintf(str,"%s qdisc add dev %s root handle 1: htb r2q %d default 1",
1512 tc,lan,htb_r2q);
1513 safe_run(str);
1514
1515 sprintf(str, "%s class add dev %s parent 1: classid 1:2 htb rate %s ceil %s burst %dk prio %d",
1516 tc,lan,lan_medium,lan_medium,burst_main,highest_priority);
1517 safe_run(str);
1518
1519 sprintf(str, "%s class add dev %s parent 1:2 classid 1:1 htb rate %Ldkbit ceil %Ldkbit burst %dk prio %d",
1520 tc,lan,line,line,burst_main,highest_priority);
1521 safe_run(str);
1522
1523 sprintf(str,"%s qdisc add dev %s root handle 1: htb r2q %d default 1",tc,wan,htb_r2q);
1524 safe_run(str);
1525
1526 sprintf(str, "%s class add dev %s parent 1: classid 1:2 htb rate %s ceil %s burst %dk prio %d",
1527 tc,wan,wan_medium,wan_medium,burst_main,highest_priority);
1528 safe_run(str);
1529
1530 sprintf(str, "%s class add dev %s parent 1:2 classid 1:1 htb rate %Ldkbit ceil %Ldkbit burst %dk prio %d",
1531 tc,wan,up,up,burst_main,highest_priority);
1532 safe_run(str);
1533 }
1534
1535 /*-----------------------------------------------------------------*/
1536 puts("Locating heavy downloaders and generating root classes ...");
1537 /*-----------------------------------------------------------------*/
1538 sort(ip,ips,desc_order_by,traffic);
1539
1540 /*-----------------------------------------------------------------*/
1541 /* sub-scope - local variables */
1542 {
1543 long long int rate = line;
1544 long long int max = line;
1545 int group_count = 0;
1546 FILE *credit_file = NULL;
1547
1548 if(!just_preview && !dry_run && enable_credit)
1549 {
1550 credit_file = fopen(credit,"w");
1551 }
1552
1553 for_each(group,groups)
1554 {
1555 if(!just_preview)
1556 {
1557 //download
1558 sprintf(str,"%s class add dev %s parent 1:%d classid 1:%d htb rate %Ldkbit ceil %Ldkbit burst %dk prio %d #down desired %d",
1559 tc, lan, parent, group->id, rate, max, burst_group, highest_priority+1, group->desired);
1560 safe_run(str);
1561
1562 //upload
1563 sprintf(str,"%s class add dev %s parent 1:%d classid 1:%d htb rate %Ldkbit ceil %Ldkbit burst %dk prio %d #up desired %d",
1564 tc, wan, parent, group->id, rate*up/line, max*up/line, burst_group, highest_priority+1, group->desired);
1565 safe_run(str);
1566 }
1567
1568 if(group_count++ < max_nesting)
1569 {
1570 parent = group->id;
1571 }
1572
1573 rate -= digital_divide*group->min;
1574 if(rate < group->min)
1575 {
1576 rate = group->min;
1577 }
1578
1579 /*shaping of aggresive downloaders, with credit file support */
1580 if(use_credit)
1581 {
1582 int group_rate = group->min, priority_sequence = lowest_priority;
1583
1584 for_each(ip, ips) if(ip->min == group->min && ip->max > ip->min)
1585 {
1586 if( ip->keyword->data_limit && !ip->fixedprio
1587 && ( ip->traffic>ip->credit
1588 + (ip->min*ip->keyword->data_limit+(ip->keyword->fixed_limit<<20))) )
1589 {
1590 if(group_rate<ip->max)
1591 {
1592 ip->max=group_rate;
1593 }
1594 group_rate+=magic_treshold;
1595 ip->prio=lowest_priority;
1596 if(ip->prio<highest_priority+2)
1597 {
1598 ip->prio=highest_priority+2;
1599 }
1600 }
1601 else
1602 {
1603 if( ip->keyword->data_prio
1604 && !ip->fixedprio
1605 && ( ip->traffic>ip->credit
1606 + (ip->min*ip->keyword->data_prio+(ip->keyword->fixed_prio<<20))) )
1607 {
1608 ip->prio=priority_sequence--;
1609 if(ip->prio<highest_priority+1)
1610 {
1611 ip->prio=highest_priority+1;
1612 }
1613 }
1614
1615 if(credit_file)
1616 {
1617 unsigned long long lcredit=0;
1618
1619 if((ip->min*ip->keyword->data_limit+(ip->keyword->fixed_limit<<20))>ip->traffic)
1620 {
1621 lcredit=(ip->min*ip->keyword->data_limit+(ip->keyword->fixed_limit<<20))-ip->traffic;
1622 }
1623 fprintf(credit_file,"%s %Lu\n",ip->addr,lcredit);
1624 }
1625 }
1626 }
1627 }
1628 }
1629 if(credit_file)
1630 {
1631 fclose(credit_file);
1632 }
1633 }
1634
1635 if(just_preview)
1636 {
1637 f=fopen(preview,"w");
1638 ptr=preview;
1639 }
1640 else if(!dry_run && !just_flush)
1641 {
1642 /*-----------------------------------------------------------------*/
1643 printf("Writing daily statistics %s ... ", json);
1644 /*-----------------------------------------------------------------*/
1645 f=fopen(json, "w");
1646 if(f > 0)
1647 {
1648 int jsoncount=0;
1649 fprintf(f, "{\n");
1650 for_each(ip, ips)
1651 {
1652 if(jsoncount)
1653 {
1654 fprintf(f, ",\n");
1655 }
1656 if(ip->traffic || ip->direct || ip->proxy || ip->upload)
1657 {
1658 fprintf(f, " %d:{ \"ip\":\"%s\", \"total\":%Lu, \"down\":%Lu, \"proxy\":%Lu, \"up\":%Lu }",
1659 ip->lmsid, ip->addr, ip->traffic, ip->direct, ip->proxy, ip->upload);
1660 }
1661 jsoncount++;
1662 }
1663 fprintf(f, "}\n");
1664 fclose(f);
1665 puts("done.");
1666 }
1667 else
1668 {
1669 perror(json);
1670 }
1671 f=fopen(html,"w");
1672 ptr=html;
1673 }
1674
1675 if(f)
1676 {
1677 int count=1;
1678 i=0;
1679
1680 /*-----------------------------------------------------------------*/
1681 printf("Sorting data and generating statistics page %s ...\n", ptr);
1682 /*-----------------------------------------------------------------*/
1683
1684 if(use_jquery_popups)
1685 {
1686 fprintf(f,"<script type=\"text/javascript\" src=\"%s\"></script>\n", jquery_url);
1687 }
1688 fputs("<table class=\"decorated last\">\n\
1689 <caption>Bandwidth classes</caption>\n\
1690 <thead><tr>\n\
1691 <th style=\"text-align: right\">#</th>\n\
1692 <th style=\"text-align: right\">group</th>\n\
1693 <th style=\"text-align: right\">IPs</th>\n\
1694 <th style=\"text-align: right\">requested</th>\n",f);
1695 fprintf(f,"<th colspan=\"%d\">data limits</th>\n", keywordcount);
1696 fputs("</tr></thead><tbody>\n",f);
1697
1698 row_odd_even = 0;
1699 for_each(group, groups)
1700 {
1701 #ifdef DEBUG
1702 printf("%d kb/s group: %d bandwidth requested: %d kb/s\n",group->min,group->count,group->desired);
1703 #endif
1704 fprintf(f, "%s<td style=\"text-align: right\">%d</td><td style=\"text-align: right\">%d&nbsp;kb/s</td>",
1705 tr_odd_even(), count, group->min);
1706 fprintf(f, "<td style=\"text-align: right\">%d</td><td style=\"text-align: right\">%d&nbsp;kb/s</td>",
1707 group->count, group->desired);
1708
1709 for_each(keyword, keywords) if(keyword->ip_count)
1710 {
1711 fprintf(f,"<td style=\"text-align: right\"><span style=\"color:#%s\">%d&nbsp;MB</span></td>",
1712 keyword->html_color, group->min*keyword->data_limit);
1713 }
1714 i += group->desired;
1715 total += group->count;
1716 count++;
1717 }
1718 #ifdef DEBUG
1719 printf("Total groups: %d Total bandwidth requested: %d kb/s\nAGGREGATION: 1/%d\n",
1720 count, i, i/line);
1721 #endif
1722 fprintf(f,"</tr></tbody>\n\
1723 <thead><tr>\n\
1724 <th colspan=\"2\" style=\"text-align: left\">Line %Ld kb/s</td>",line);
1725 fprintf(f,"<th style=\"text-align: right\">%d</td><th style=\"text-align: right\">%d kb/s</td>",total,i);
1726
1727 for_each(keyword, keywords) if(keyword->ip_count)
1728 {
1729 fprintf(f,"<th style=\"text-align: right\">%d IPs</th>",keyword->ip_count);
1730 }
1731 fprintf(f,"</tr><tr><th colspan=\"4\">Aggregation 1/%d</th>\n", (int)(0.5+i/line));
1732 fprintf(f,"<th colspan=\"%d\">%d traffic classes</th></tr>\n", keywordcount, total);
1733
1734 fputs("</thead></table>\n",f);
1735 }
1736 else if(!dry_run && !just_flush)
1737 {
1738 perror(html);
1739 }
1740
1741 i=0;
1742 if(f)
1743 {
1744 unsigned long long total_traffic=0, total_direct=0, total_proxy=0, total_upload=0, tmp_sum=0;
1745 int active_classes=0;
1746 int colspan=12;
1747 struct Sum {unsigned long long l; int i; list(Sum);} *sum,*sums=NULL;
1748 int limit_count=0, prio_count=0;
1749 int popup_button=0;
1750
1751 if(qos_proxy)
1752 {
1753 colspan++;
1754 }
1755
1756 fprintf(f,"<p><table class=\"decorated last\">\n<caption>%s",title);
1757 fprintf(f," (%s)</caption>\n", d);
1758 fputs("<thead><tr>\n<th colspan=\"3\">&nbsp;</th>\n",f);
1759 fputs("<th style=\"text-align: right\">credit</th>\n\
1760 <th style=\"text-align: right\">FUP</th>\n\
1761 <th style=\"text-align: right\">total</th>\n\
1762 <th style=\"text-align: right\">down</th>\n",f);
1763 if(qos_proxy)
1764 {
1765 fputs("<th style=\"text-align: right\">proxy</th>\n",f);
1766 }
1767 fputs("<th style=\"text-align: right\">up</th>\n\
1768 <th style=\"text-align: right\">min</th>\n\
1769 <th style=\"text-align: right\">max</th>\n\
1770 <th style=\"text-align: right\">limit</th>\n\
1771 <th>&nbsp;</th>\n\
1772 </tr><tr>\n\
1773 <th style=\"text-align: right\">#</th>\n\
1774 <th>hostname [+sharing]</th>\n\
1775 <th style=\"text-align: right\">LMS</th>\n\
1776 <th style=\"text-align: right\">MB</th>\n\
1777 <th style=\"text-align: right\">MB</th>\n\
1778 <th style=\"text-align: right\">MB</th>\n\
1779 <th style=\"text-align: right\">MB</th>\n\
1780 <th style=\"text-align: right\">MB</th>\n\
1781 <th style=\"text-align: right\">kb/s</th>\n\
1782 <th style=\"text-align: right\">kb/s</th>\n\
1783 <th style=\"text-align: right\">kb/s</th>\n\
1784 <th>prio</th>\n\
1785 </tr></thead><tbody>\n",f);
1786
1787 row_odd_even = 0;
1788 for_each(ip,ips) if(!use_jquery_popups || !ip->sharing)
1789 {
1790 char *f1="", *f2="";
1791 i++;
1792
1793 if(ip->max < ip->desired)
1794 {
1795 f1="<span style=\"color:red\">";
1796 f2="</span>";
1797 limit_count++;
1798 }
1799 else if(ip->prio > highest_priority+1)
1800 {
1801 f1="<span style=\"color:brown\">";
1802 f2="</span>";
1803 prio_count++;
1804 }
1805
1806 #ifdef DEBUG
1807 printf("%03d. %-22s %10Lu (%d/%d)\n",i ,ip->name, ip->traffic, ip->min, ip->max);
1808 #endif
1809 /* hostnames -------------------------------------- */
1810 fprintf(f,"%s<td style=\"text-align: right\"><a name=\"%s\"></a>%d</td><td><a class=\"blue\" target=\"_blank\" href=\"%s%s.log\">%s</a>\n",
1811 tr_odd_even(), ip->name, i, log_url, ip->name, ip->name);
1812
1813 if(use_jquery_popups)
1814 {
1815 fprintf(f,"<span id=\"sharing_%d\" style=\"display:none\">",i);
1816 popup_button=0;
1817 for_each(sharedip, ips) if(eq(ip->name, sharedip->sharing))
1818 {
1819 fprintf(f,"<br /><a class=\"blue\" target=\"_blank\" href=\"%s%s.log\">%s</a>\n", log_url, sharedip->name, sharedip->name);
1820 popup_button++;
1821 }
1822 fputs("</span>\n",f);
1823 if(popup_button)
1824 {
1825 fprintf(f,"<span>[<a class=\"blue\" href=\"#\" onClick=\"$(this).parent().hide();$(\'#sharing_%d\').show();$(\'#download_%d\').show();$(\'#upload_%d\').show();return(false);\" style=\"cursor: pointer;\">+%d</a>]</span>",
1826 i, i, i, popup_button);
1827 }
1828 }
1829 fputs("</td>\n",f);
1830 /* ----------------------------------------------- */
1831
1832 if(found_lmsid)
1833 {
1834 fputs("<td style=\"text-align: right\">",f);
1835 if(ip->lmsid > 0)
1836 {
1837 fprintf(f,"<a class=\"blue\" target=\"_blank\" href=\"%s%d\">%04d</a>\n", lms_url, ip->lmsid, ip->lmsid);
1838 }
1839 else if(ip->lmsid == 0)
1840 {
1841 fputs("-------",f);
1842 }
1843 fputs("</td>\n",f);
1844 }
1845 fprintf(f,"<td style=\"text-align: right\">%Lu</td>\n", ip->credit);
1846 fprintf(f,"<td style=\"text-align: right\"><span style=\"color:#%s\">%Lu</span></td>",
1847 ip->keyword->html_color,
1848 ip->credit+(ip->min*ip->keyword->data_limit+(ip->keyword->fixed_limit<<20)));
1849 fprintf(f,"<td style=\"text-align: right\">%s%Lu%s", f1, ip->traffic, f2);
1850
1851 /* download --------------------------------------- */
1852 fprintf(f,"</td><td style=\"text-align: right\">%Lu", ip->direct);
1853 if(use_jquery_popups)
1854 {
1855 fprintf(f,"<span id=\"download_%d\" style=\"display:none\">",i);
1856 for_each(sharedip, ips) if(eq(ip->name, sharedip->sharing))
1857 {
1858 fprintf(f,"<br />%Lu", sharedip->direct);
1859 }
1860 fputs("</span>\n",f);
1861 }
1862 fputs("</td>\n",f);
1863 /* ----------------------------------------------- */
1864
1865 if(qos_proxy)
1866 {
1867 fprintf(f,"<td style=\"text-align: right\">%Lu</td>\n", ip->proxy);
1868 }
1869 /* upload ---------------------------------------- */
1870 fprintf(f,"<td style=\"text-align: right\">%Lu", ip->upload);
1871 if(use_jquery_popups)
1872 {
1873 fprintf(f,"<span id=\"upload_%d\" style=\"display:none\">",i);
1874 for_each(sharedip,ips) if(eq(ip->name, sharedip->sharing))
1875 {
1876 fprintf(f,"<br />%Lu", sharedip->upload);
1877 }
1878 fputs("</span>\n",f);
1879 }
1880 fputs("</td>\n",f);
1881 /* ----------------------------------------------- */
1882
1883 fprintf(f,"<td style=\"text-align: right\">%d</td>\n\
1884 <td style=\"text-align: right\">%d</td>\n\
1885 <td style=\"text-align: right\">%s%d%s</td>\n\
1886 <td>%s%d%s</td></tr>\n",
1887 ip->min, ip->desired,
1888 f1, ip->max, f2,
1889 f1, ip->prio, f2);
1890
1891 total_traffic+=ip->traffic;
1892 total_direct+=ip->direct;
1893 total_proxy+=ip->proxy;
1894 total_upload+=ip->upload;
1895 if(ip->traffic>0)
1896 {
1897 active_classes++;
1898 tmp_sum+=ip->traffic;
1899 create(sum,Sum);
1900 sum->l=tmp_sum;
1901 sum->i=active_classes;
1902 insert(sum,sums,order_by,i);
1903 }
1904
1905 if(!just_preview)
1906 {
1907 append_log(ip);
1908 for_each(sharedip,ips) if(eq(ip->name, sharedip->sharing))
1909 {
1910 append_log(sharedip);
1911 }
1912 }
1913 }
1914 fprintf(f,"</tbody><thead><tr>\n\
1915 <th colspan=\"%d\" style=\"text-align: left\">%d CLASSES</th>", colspan-7, i);
1916 fprintf(f,"<th style=\"text-align: right\">%Lu</th><th style=\"text-align: right\">%Lu</th>\n", total_traffic, total_direct);
1917 if(qos_proxy)
1918 {
1919 fprintf(f,"<th style=\"text-align: right\">%Lu</th>\n", total_proxy);
1920 }
1921 fprintf(f,"<th style=\"text-align: right\">%Lu</th>", total_upload);
1922 fprintf(f,"<th colspan=\"4\"><span style=\"color:red\">LIMIT %dx</span> <span style=\"color:brown\">LOW-PRIO %dx</span></th></tr>\n</thead></table>\n",limit_count,prio_count);
1923
1924 row_odd_even = 0;
1925 if(active_classes>10)
1926 {
1927 int top20_count=0,top20_perc1=0;
1928 long long top20_perc2=0;
1929 unsigned long long top20_sum=0l;
1930
1931 fputs("<a name=\"erp\"></a><p><table class=\"decorated last\"><caption>Enterprise Resource Planning (ERP)</caption>\n",f);
1932 fputs("<thead><tr>\n\
1933 <th>Analytic category</th>\n\
1934 <th colspan=\"2\" style=\"text-align: center\">Active Classes</th>\n\
1935 <th colspan=\"2\" style=\"text-align: center\">Data transfers</th>\n\
1936 </tr></thead><tbody>\n",f);
1937
1938 if_exists(sum,sums,sum->l>=total_traffic/4)
1939 {
1940 fprintf(f,"%s<td>Top 25%% of traffic</td>\n", tr_odd_even());
1941 fprintf(f,"<td style=\"text-align: right\">%d</td>\n\
1942 <td style=\"text-align: right\">%d %%</td>\n\
1943 <td style=\"text-align: right\">%Lu MB</td>\n\
1944 <td style=\"text-align: right\">%Ld %%</td></tr>\n",
1945 sum->i, (100*sum->i+50)/active_classes, sum->l, (100*sum->l+50)/total_traffic);
1946 }
1947
1948 if_exists(sum,sums,sum->i==10)
1949 {
1950 fprintf(f,"%s<td>Top 10 downloaders</td>\n", tr_odd_even());
1951 fprintf(f,"<td style=\"text-align: right\"><strong>10</strong></td>\n\
1952 <td style=\"text-align: right\">%d %%</td>\n\
1953 <td style=\"text-align: right\">%Lu MB</td>\n\
1954 <td style=\"text-align: right\">%Ld %%</td></tr>\n",
1955 (100*sum->i+50)/active_classes, sum->l, (100*sum->l+50)/total_traffic);
1956 }
1957
1958 if_exists(sum,sums,sum->l>=total_traffic/2)
1959 {
1960 fprintf(f,"%s<td>Top 50%% of traffic</td>\n", tr_odd_even());
1961 fprintf(f,"<td style=\"text-align: right\">%d</td>\n\
1962 <td style=\"text-align: right\">%d %%</td>\n\
1963 <td style=\"text-align: right\">%Lu MB</td>\n\
1964 <td style=\"text-align: right\"><strong>%Ld %%</strong></td></tr>\n",
1965 sum->i,(100*sum->i+50)/active_classes,sum->l,(100*sum->l+50)/total_traffic);
1966 }
1967
1968 if_exists(sum,sums,sum->l>=4*total_traffic/5)
1969 {
1970 fprintf(f,"%s<td>Top 80%% of traffic</td>\n", tr_odd_even());
1971 fprintf(f,"<td style=\"text-align: right\">%d</td>\n\
1972 <td style=\"text-align: right\">%d %%</td>\n\
1973 <td style=\"text-align: right\">%Lu MB</td>\n\
1974 <td style=\"text-align: right\"><strong>%Ld %%</strong></td></tr>\n",
1975 sum->i,(100*sum->i+50)/active_classes,sum->l,(100*sum->l+50)/total_traffic);
1976 }
1977
1978 if_exists(sum,sums,sum->i>=(active_classes+1)/5)
1979 {
1980 fprintf(f,"%s<td>Top 20%% downloaders</td>\n", tr_odd_even());
1981 top20_count=sum->i;
1982 top20_perc1=(100*sum->i+50)/active_classes;
1983 top20_sum=sum->l;
1984 top20_perc2=(100*sum->l+50)/total_traffic;
1985 fprintf(f,"<td style=\"text-align: right\">%d</td>\n\
1986 <td style=\"text-align: right\"><strong>%d %%</strong></td>\n\
1987 <td style=\"text-align: right\">%Lu MB</td>\n\
1988 <td style=\"text-align: right\">%Ld %%</td></tr>\n",
1989 top20_count,top20_perc1,top20_sum,top20_perc2);
1990 }
1991
1992 if_exists(sum,sums,sum->i>=(active_classes+1)/4)
1993 {
1994 fprintf(f,"%s<td>Top 25%% downloaders</td>\n", tr_odd_even());
1995 fprintf(f,"<td style=\"text-align: right\">%d</td>\n\
1996 <td style=\"text-align: right\">%d %%</td>\n\
1997 <td style=\"text-align: right\">%Lu MB</td>\n\
1998 <td style=\"text-align: right\">%Ld %%</td></tr>\n",
1999 sum->i,(100*sum->i+50)/active_classes,sum->l,(100*sum->l+50)/total_traffic);
2000 }
2001
2002 if_exists(sum,sums,sum->i>=(active_classes+1)/2)
2003 {
2004 fprintf(f,"%s<td>Top 50%% downloaders</td>\n", tr_odd_even());
2005 fprintf(f,"<td style=\"text-align: right\">%d</td>\n\
2006 <td style=\"text-align: right\"><strong>%d %%</strong></td>\n\
2007 <td style=\"text-align: right\">%Lu MB</td>\n\
2008 <td style=\"text-align: right\">%Ld %%</td></tr>\n",
2009 sum->i,(100*sum->i+50)/active_classes,sum->l,(100*sum->l+50)/total_traffic);
2010 }
2011
2012 if_exists(sum,sums,sum->i>=4*(active_classes+1)/5)
2013 {
2014 fprintf(f,"%s<td>Top 80%% downloaders</td>\n", tr_odd_even());
2015 fprintf(f,"<td style=\"text-align: right\">%d</td>\n\
2016 <td style=\"text-align: right\">%d %%</td>\n\
2017 <td style=\"text-align: right\">%Lu MB</td>\n\
2018 <td style=\"text-align: right\">%Ld %%</td></tr></tbody>\n",
2019 sum->i,(100*sum->i+50)/active_classes,sum->l,(100*sum->l+50)/total_traffic);
2020 }
2021
2022 fprintf(f,"<thead><tr><th><a class=\"blue\" target=\"_blank\" href=\"%sERP.log\">All users, all traffic</a></th>\n", log_url);
2023 fprintf(f,"<th style=\"text-align: right\">%d</th>\n\
2024 <th style=\"text-align: right\">100 %%</th>\n\
2025 <th style=\"text-align: right\">%Lu MB</th>\n\
2026 <th style=\"text-align: right\">100 %%</th></tr>\n",active_classes,total_traffic);
2027 fputs("</thead></table>\n", f);
2028
2029 /* write basic ERP data to log directory */
2030 if(!just_preview)
2031 {
2032 FILE *iplog;
2033 sprintf(str,"%s/ERP.log",log_dir);
2034 iplog=fopen(str,"a");
2035 if(iplog)
2036 {
2037 fprintf(iplog,"%ld\t%d\t%d %%\t%Lu M\t%Ld %%\tACTIVE %d\tTRAFFIC %Lu M\tCLASSES %d\tFUP-LIMIT %d\tLOW-PRIO %d\t%s",
2038 time(NULL), top20_count, top20_perc1, top20_sum, top20_perc2,
2039 active_classes, total_traffic, i, limit_count, prio_count, d); /* d = date*/
2040 fclose(iplog);
2041 }
2042 else
2043 {
2044 perror(str);
2045 }
2046 }
2047 }
2048
2049 fprintf(f, stats_html_signature, version);
2050 fclose(f);
2051 }
2052
2053 if(just_preview)
2054 {
2055 puts("Statistics preview generated (-p switch) - now exiting ...");
2056 exit(0);
2057 }
2058
2059 i=0;
2060 #ifdef DEBUG
2061 printf("%-22s %-15s mark\n","name","ip");
2062 #endif
2063
2064 printf("Writing %s ... ", classmap);
2065 f = fopen(classmap, "w");
2066 if(f < 0)
2067 {
2068 perror(classmap);
2069 }
2070
2071 /*-----------------------------------------------------------------*/
2072 puts("Generating iptables and tc classes ... ");
2073 /*-----------------------------------------------------------------*/
2074
2075 for_each(ip, ips) if(ip->mark > 0)
2076 {
2077 if(idxs)
2078 {
2079 char *buf;
2080 duplicate(ip->addr,buf);
2081 buf=hash_id(ip->addr,32-idxtable_bitmask1);
2082
2083 string(chain_forward,6+strlen(buf));
2084 strcpy(chain_forward,"forw_");
2085 strcat(chain_forward,buf);
2086
2087 string(chain_postrouting,6+strlen(buf));
2088 strcpy(chain_postrouting,"post_");
2089 strcat(chain_postrouting,buf);
2090
2091 free(buf);
2092 }
2093 else
2094 {
2095 chain_forward="FORWARD";
2096 chain_postrouting="POSTROUTING";
2097 }
2098
2099 #ifdef DEBUG
2100 printf("%-22s %-16s %04d ", ip->name, ip->addr, ip->mark);
2101 #endif
2102
2103 /* -------------------------------------------------------- mark download */
2104
2105 sprintf(str, "-A %s -d %s/32 -o %s -j %s%d",
2106 chain_postrouting, ip->addr, lan, mark_iptables, ip->mark);
2107 /*sprintf(str,"-A %s -d %s/32 -o %s -j MARK --set-mark %d",chain_postrouting,ip->addr,lan,ip->mark);*/
2108 /* -m limit --limit 1/s */
2109 save_line(str);
2110
2111 if(qos_proxy)
2112 {
2113 sprintf(str, "-A %s -s %s -p tcp --sport %d -d %s/32 -o %s -j %s%d",
2114 chain_postrouting, proxy_ip, proxy_port, ip->addr, lan, mark_iptables, ip->mark);
2115 /*sprintf(str,"-A %s -s %s -p tcp --sport %d -d %s/32 -o %s -j MARK --set-mark %d",chain_postrouting,proxy_ip,proxy_port,ip->addr,lan,ip->mark);*/
2116 save_line(str);
2117 }
2118
2119 sprintf(str, "-A %s -d %s/32 -o %s -j ACCEPT",
2120 chain_postrouting, ip->addr, lan);
2121 save_line(str);
2122
2123 /* -------------------------------------------------------- mark upload */
2124 sprintf(str, "-A %s -s %s/32 -o %s -j %s%d",
2125 chain_forward, ip->addr, wan, mark_iptables, ip->mark);
2126 /* sprintf(str,"-A %s -s %s/32 -o %s -j MARK --set-mark %d",chain_forward,ip->addr,wan,ip->mark);*/
2127 save_line(str);
2128
2129 sprintf(str, "-A %s -s %s/32 -o %s -j ACCEPT",
2130 chain_forward, ip->addr, wan);
2131 save_line(str);
2132
2133 if(ip->min)
2134 {
2135 /* -------------------------------------------------------- download class */
2136 #ifdef DEBUG
2137 printf("(down: %dk-%dk ", ip->min, ip->max);
2138 #endif
2139
2140 sprintf(str, "%s class add dev %s parent 1:%d classid 1:%d htb rate %dkbit ceil %dkbit burst %dk prio %d",
2141 tc, lan, ip->group, ip->mark,ip->min,ip->max, burst, ip->prio);
2142 safe_run(str);
2143
2144 if(strcmpi(ip->keyword->leaf_discipline, "none"))
2145 {
2146 sprintf(str, "%s qdisc add dev %s parent 1:%d handle %d %s",
2147 tc, lan, ip->mark, ip->mark, ip->keyword->leaf_discipline); /*qos_leaf*/
2148 safe_run(str);
2149 }
2150
2151 if(filter_type == 1)
2152 {
2153 sprintf(str, "%s filter add dev %s parent 1:0 protocol ip handle %d fw flowid 1:%d",
2154 tc, lan, ip->mark, ip->mark);
2155 safe_run(str);
2156 }
2157
2158 /* -------------------------------------------------------- upload class */
2159 #ifdef DEBUG
2160 printf("up: %dk-%dk)\n", (int)((ip->min/ip->keyword->asymetry_ratio)-ip->keyword->asymetry_fixed),
2161 (int)((ip->max/ip->keyword->asymetry_ratio)-ip->keyword->asymetry_fixed));
2162 #endif
2163
2164 sprintf(str,"%s class add dev %s parent 1:%d classid 1:%d htb rate %dkbit ceil %dkbit burst %dk prio %d",
2165 tc, wan, ip->group, ip->mark,
2166 (int)((ip->min/ip->keyword->asymetry_ratio)-ip->keyword->asymetry_fixed),
2167 (int)((ip->max/ip->keyword->asymetry_ratio)-ip->keyword->asymetry_fixed), burst, ip->prio);
2168 safe_run(str);
2169
2170 if(strcmpi(ip->keyword->leaf_discipline, "none"))
2171 {
2172 sprintf(str, "%s qdisc add dev %s parent 1:%d handle %d %s",
2173 tc, wan, ip->mark, ip->mark, ip->keyword->leaf_discipline); /*qos_leaf*/
2174 safe_run(str);
2175 }
2176
2177 if(filter_type == 1)
2178 {
2179 sprintf(str, "%s filter add dev %s parent 1:0 protocol ip handle %d fw flowid 1:%d",
2180 tc, wan, ip->mark, ip->mark);
2181 safe_run(str);
2182 }
2183
2184 if(f)
2185 {
2186 fprintf(f, "%s %d", ip->addr, ip->mark);
2187 }
2188 }
2189 else
2190 {
2191 #ifdef DEBUG
2192 printf("(sharing %s)\n", ip->sharing);
2193 #endif
2194 }
2195 i++;
2196 }
2197 if(f)
2198 {
2199 puts("done.");
2200 fclose(f);
2201 }
2202
2203 if(idxs)
2204 {
2205 chain_forward = "forw_common";
2206 chain_postrouting = "post_common";
2207 }
2208 else
2209 {
2210 chain_forward = "FORWARD";
2211 chain_postrouting = "POSTROUTING";
2212 }
2213 /* -------------------------------- classify or reject free download */
2214 {
2215 char *final_chain = "DROP"; /* REJECT would be better, but it is impossible in mangle */
2216 if(free_min)
2217 {
2218 final_chain = "ACCEPT";
2219 }
2220 if(qos_proxy)
2221 {
2222 if(free_min)
2223 {
2224 sprintf(str,"-A %s -s %s -p tcp --sport %d -o %s -j %s%d",
2225 chain_postrouting,proxy_ip,proxy_port,lan,mark_iptables,3);
2226 save_line(str);
2227 }
2228 sprintf(str,"-A %s -s %s -p tcp --sport %d -o %s -j %s",
2229 chain_postrouting,proxy_ip,proxy_port,lan,final_chain);
2230 save_line(str);
2231 }
2232 if(free_min)
2233 {
2234 sprintf(str,"-A %s -o %s -j %s%d", chain_postrouting, lan, mark_iptables, 3);
2235 save_line(str);
2236 }
2237 sprintf(str,"-A %s -o %s -j %s", chain_postrouting, lan, final_chain);
2238 save_line(str);
2239 /* ------------------------------- classify or reject free upload */
2240 if(free_min)
2241 {
2242 sprintf(str,"-A %s -o %s -j %s%d", chain_forward, wan, mark_iptables, 3);
2243 save_line(str);
2244 }
2245 sprintf(str,"-A %s -o %s -j %s", chain_forward, wan, final_chain);
2246 save_line(str);
2247 }
2248
2249 if(free_min) /* allocate free bandwith if it is not zero... */
2250 {
2251 /*-----------------------------------------------------------------*/
2252 puts("Generating free bandwith classes ...");
2253 /*-----------------------------------------------------------------*/
2254 sprintf(str, "%s class add dev %s parent 1:%d classid 1:3 htb rate %dkbit ceil %dkbit burst %dk prio %d",
2255 tc, lan, parent, free_min, free_max,burst, lowest_priority);
2256 safe_run(str);
2257 sprintf(str, "%s class add dev %s parent 1:%d classid 1:3 htb rate %dkbit ceil %dkbit burst %dk prio %d",
2258 tc, wan, parent, free_min, free_max, burst, lowest_priority);
2259 safe_run(str);
2260 /* tc SFQ */
2261 if(strcmpi(qos_leaf, "none"))
2262 {
2263 sprintf(str,"%s qdisc add dev %s parent 1:3 handle 3 %s", tc, lan, qos_leaf);
2264 safe_run(str);
2265
2266 sprintf(str,"%s qdisc add dev %s parent 1:3 handle 3 %s", tc, wan, qos_leaf);
2267 safe_run(str);
2268 }
2269 /* tc handle 1 fw flowid */
2270 sprintf(str,"%s filter add dev %s parent 1:0 protocol ip handle 3 fw flowid 1:3", tc, lan);
2271 safe_run(str);
2272
2273 sprintf(str,"%s filter add dev %s parent 1:0 protocol ip handle 3 fw flowid 1:3", tc, wan);
2274 safe_run(str);
2275 }
2276 printf("Total IP count: %d\n", i);
2277 run_restore();
2278 if(log_file)
2279 {
2280 fclose(log_file);
2281 }
2282 return 0;
2283 /* that's all folks, thank you for reading it all the way up to this point ;-) */
2284 /* bad luck C<<1 is not yet finished, I promise no sprintf() next time... */
2285 }
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