4c63dfeede3422f118a06167c41c673dfdfc869c
[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, 20110428
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";
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 = "<small>Statistics generated by Prometheus QoS version %s<br>GPL+Copyright(C)2005-2011 Michael Polak, <a href=\"http://www.arachne.cz/\">Arachne Labs</a></small>\n";
44
45 /* ======= All path names are defined here (for RPM patch) ======= */
46
47 char *tc = "/sbin/tc"; /* requires tc with HTB support */
48 char *iptables = "/sbin/iptables"; /* requires iptables utility */
49 char *iptablessave = "/sbin/iptables-save"; /* not yet required */
50 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 *html = "/var/www/traffic.html"; /* hall of fame filename */
59 char *preview = "/var/www/preview.html"; /* hall of fame preview */
60 char *cmdlog = "/var/log/prometheuslog"; /* command log filename */
61 char *log_dir = "/var/www/logs/"; /* log directory pathname, ended with slash */
62 char *log_url = "logs/"; /* log directory relative URI prefix (partial URL) */
63 char *html_log_dir = "/var/www/logs/html/";
64
65 /* ======= Help screen is hopefuly self-documenting part of code :-) ======= */
66
67 void help(void)
68 {
69 puts("Command line switches:\n\
70 \n\
71 -?, --help this help screen\n\
72 -v, --version show Version number of this utility and exit\n\
73 -c filename force alternative /etc/prometheus.Conf filename\n\
74 -h filename force alternative /etc/Hosts filename (overrides hosts keyword)\n\
75 -f just Flush iptables and tc classes and exit (stop shaping)\n\
76 -9 emergency iptables flush (do not read data transfer statistics)\n\
77 -p just generate Preview of data transfer statistics and exit\n\
78 -d Dry run (preview tc and iptables commands on stdout)\n\
79 -r Run (reset all statistics and start shaping)\n\
80 -n run Now (start shaping without delay - overrides qos-free-delay keyword)\n\
81 -l Mmm YYYY generate HTML summary of traffic Logs (Mmm=Jan-Dec or Year, YYYY=year)\n\
82 -m generate HTML summary of traffic logs for yesterday's Month\n\
83 -y generate HTML summary of traffic logs for yesterday's Year\n");
84 /* not yet implemented:
85 -s start shaping! (keep data transfer statistics - but apply shaping)\n\
86 */
87 }
88
89 /* === Configuraration file values defaults - stored in global variables ==== */
90
91 int filter_type = 1; /*1 mark, 2 classify*/
92 char *mark = "MARK";
93 char *mark_iptables = "MARK --set-mark ";
94 int dry_run = 0; /* preview - use puts() instead of system() */
95 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]";
96 FILE *iptables_file = NULL;
97 int enable_credit = 1; /* enable credit file */
98 int use_credit = 0; /* use credit file (if enabled)*/
99 char *title = "Hall of Fame - Greatest Suckers"; /* hall of fame title */
100 int hall_of_fame = 1; /* enable hall of fame */
101 char *lan = "eth0"; /* LAN interface */
102 char *lan_medium = "100Mbit"; /* 10Mbit/100Mbit ethernet */
103 char *wan = "eth1"; /* WAN/ISP interface */
104 char *wan_medium = "100Mbit"; /* 10Mbit/100Mbit ethernet */
105 char *qos_leaf = "sfq perturb 5"; /* leaf discipline */
106 char *qos_free_zone = NULL; /* QoS free zone */
107 int qos_proxy = 1; /* include proxy port to QoS */
108 int found_lmsid = 0; /* show links to users in LMS information system */
109 int include_upload = 1; /* upload+download=total traffic */
110 char *proxy_ip = "192.168.1.1/32"; /* our IP with proxy port */
111 int proxy_port = 3128; /* proxy port number */
112 long long int line = 1024; /* WAN/ISP download in kbps */
113 long long int up = 1024; /* WAN/ISP upload in kbps */
114 int free_min = 32; /* minimum guaranted bandwidth for all undefined hosts */
115 int free_max = 64; /* maximum allowed bandwidth for all undefined hosts */
116 int qos_free_delay = 0; /* seconds to sleep before applying new QoS rules */
117 int digital_divide = 2; /* controls digital divide weirdness ratio, 1...3 */
118 int max_nesting = 3; /* maximum nesting of HTB clases, built-in maximum seems to be 4 */
119 int htb_r2q = 256; /* should work for leaf values 512 kbps to 8 Mbps */
120 int burst = 8; /* HTB burst (in kbits) */
121 int burst_main = 64;
122 int burst_group = 32;
123 int magic_treshold = 8; /* reduce ceil by X*magic_treshhold kbps (hard shaping) */
124 int keywordcount = 0;
125 /* not yet implemented:
126 int fixed_packets = 0; maximum number of pps per IP address (not class!)
127 int packet_limit = 5; maximum number of pps to htn CEIL, not rate !!!
128 */
129 FILE *log_file = NULL;
130 char *kwd = "via-prometheus"; /* /etc/hosts comment, eg. #qos-64-128 */
131
132 const int highest_priority = 0; /* highest HTB priority (HTB built-in value is 0) */
133 const int lowest_priority = 7; /* lowest HTB priority (HTB built-in value is 7) */
134 const int idxtable_treshold1 = 24; /* this is no longer configurable */
135 const int idxtable_treshold2 = 12; /* this is no longer configurable */
136 const int idxtable_bitmask1 = 3; /* this is no longer configurable */
137 const int idxtable_bitmask2 = 3; /* this is no longer configurable */
138
139 /* ==== This is C<<1 stuff - learn C<<1 first! https://dev.arachne.cz/svn/cll1h ==== */
140
141 struct IP
142 {
143 char *addr;
144 char *name;
145 char *sharing;
146 int min;
147 int desired;
148 int max;
149 int mark;
150 int prio;
151 int fixedprio;
152 int group;
153 int lmsid;
154 unsigned long long direct;
155 unsigned long long proxy;
156 unsigned long long upload;
157 unsigned long long traffic;
158 unsigned long long credit;
159 unsigned long pktsup;
160 unsigned long pktsdown;
161 struct Keyword *keyword;
162 list(IP);
163 } *ips=NULL, *ip, *sharedip;
164
165 struct Group
166 {
167 int min;
168 int count;
169 int desired;
170 int id;
171 list(Group);
172 } *groups=NULL, *group;
173
174 struct Index
175 {
176 char *addr;
177 char *id;
178 struct Index *parent;
179 int bitmask;
180 int children;
181 list(Index);
182 } *idxs=NULL, *idx, *metaindex;
183
184 struct Keyword
185 {
186 char *key;
187
188 int asymetry_ratio; /* ratio for ADSL-like upload */
189 int asymetry_fixed; /* fixed treshold for ADSL-like upload */
190 int data_limit; /* hard shaping: apply magic_treshold if max*data_limit MB exceeded */
191 int data_prio; /* soft shaping (qos): reduce HTB prio if max*data_prio MB exceeded */
192 long fixed_limit; /* fixed data limit for setting lower HTB ceil */
193 long fixed_prio; /* fixed data lmit for setting lower HTB prio */
194 int reserve_min; /* bonus for nominal HTB rate bandwidth (in kbps) */
195 int reserve_max; /* malus for nominal HTB ceil (in kbps) */
196 // int divide_max; /* relative malus: new_ceil=rate+(old_ceil-rate)/divide_max */
197 // int htb_ceil_bonus_divide; /* relative bonus: new_ceil=old_ceil+old_ceil/htb_ceil_bonus_divide */
198 int default_prio; /* default HTB priority for this keyword */
199 char *html_color;
200 int ip_count;
201 char *leaf_discipline;
202
203 list(Keyword);
204 } *keyword,*defaultkeyword=NULL,*keywords=NULL;
205
206 /* Damned, this must be object oriented! This looks almost like constructor ;-) */
207
208 void TheIP(void)
209 {
210 create(ip,IP);
211 ip->name = "";
212 ip->addr = "";
213 ip->sharing = NULL;
214 ip->prio = highest_priority+1;
215 ip->lmsid = -1;
216 ip->fixedprio = \
217 ip->mark = \
218 ip->min = \
219 ip->max = \
220 ip->desired = \
221 ip->credit = \
222 ip->upload = \
223 ip->proxy = \
224 ip->direct = \
225 ip->traffic = \
226 ip->pktsup = \
227 ip->pktsdown = 0;
228 ip->keyword = keywords;
229 push(ip,ips);
230 }
231
232 /* ====== iptables indexes are used to reduce complexity to log8(N) ===== */
233
234 char *very_ugly_ipv4_code(char *inip,int bitmask,int format_as_chainname)
235 {
236 /* warning: this function was debugged only for bitmask values 20,24,28 !!!*/
237 int dot=0,n;
238 char *ip,*outip,*outptr,*fmt;
239
240 duplicate(inip,ip);
241 /* debug printf("(%s,%d) -> ",ip,bitmask); */
242
243 if(ip && *ip && bitmask>=0 && bitmask<=32)
244 {
245 string(outip,strlen(ip)+10); /*fuck unicode? assertion: 10>strlen("_%d_%d") */
246 }
247 else
248 {
249 /* should never exit here */
250 return "undefined";
251 }
252 outptr=outip;
253 while(ip && *ip)
254 {
255 if(*ip=='.')
256 {
257 if(dot<(bitmask/8-1))
258 {
259 if(format_as_chainname)
260 {
261 *outptr='_';
262 }
263 else
264 {
265 *outptr='.';
266 }
267 outptr++;
268 dot++;
269 }
270 else
271 {
272 char *cutdot=strchr(ip+1,'.'); /*for bitmask<24*/
273 if(cutdot)*cutdot='\0';
274 if(format_as_chainname)
275 fmt="_%d_%d";
276 else
277 fmt=".%d";
278 if(bitmask%8)
279 n=atoi(ip+1)-atoi(ip+1)%(1<<(8-bitmask%8));
280 else
281 n=0;
282
283 /*debug printf("%d/%d => [_%d_%d]\n",atoi(ip+1),bitmask,n,bitmask); */
284 sprintf(outptr,fmt,n,bitmask);
285 if(!format_as_chainname) while(bitmask<24)
286 {
287 strcat(outip,".0");
288 bitmask+=8;
289 }
290 /* debug printf("[%s]\n",outip); */
291 return outip;
292 }
293 }
294 else
295 {
296 *outptr=*ip;
297 outptr++;
298 }
299 ip++;
300 }
301 /*should never exit here*/
302 *outptr='\0';
303 return outip;
304 }
305
306 char *hash_id(char *ip,int bitmask)
307 {
308 return very_ugly_ipv4_code(ip,bitmask,1);
309 }
310
311 char *subnet_id(char *ip,int bitmask)
312 {
313 return very_ugly_ipv4_code(ip,bitmask,0);
314 }
315
316 /* ================= Let's parse configuration file here =================== */
317
318 void reject_config_and_exit(char *filename)
319 {
320 printf("Configuration file %s rejected - abnormal exit.",filename);
321 exit(-1);
322 }
323
324 void get_config(char *config_filename)
325 {
326 char *cnf="mark";
327
328 printf("Configured keywords: ");
329 parse(config_filename)
330 {
331 option("keyword",kwd);
332 if(kwd)
333 {
334 printf("%s ",kwd);
335
336 create(keyword,Keyword);
337 keyword->key=kwd;
338 keyword->asymetry_ratio=1; /* ratio for ADSL-like upload */
339 keyword->asymetry_fixed=0; /* fixed treshold for ADSL-like upload */
340 keyword->data_limit=8; /* hard shaping: apply magic_treshold if max*data_limit MB exceeded */
341 keyword->data_prio=4; /* soft shaping (qos): reduce HTB prio if max*data_prio MB exceeded */
342 keyword->fixed_limit=0; /* fixed data limit for setting lower HTB ceil */
343 keyword->fixed_prio=0; /* fixed data limit for setting lower HTB prio */
344 keyword->reserve_min=8; /* bonus for nominal HTB rate bandwidth (in kbps) */
345 keyword->reserve_max=0; /* malus for nominal HTB ceil (in kbps) */
346 keyword->default_prio=highest_priority+1;
347 keyword->html_color="000000";
348 keyword->ip_count=0;
349 keyword->leaf_discipline="";
350
351 push(keyword,keywords);
352 if(!defaultkeyword) defaultkeyword=keyword;
353 keywordcount++;
354
355 kwd=NULL;
356 }
357 else
358 {
359 for_each(keyword,keywords)
360 {
361 int l=strlen(keyword->key);
362
363 if(!strncmp(keyword->key,_,l) && strlen(_)>l+2)
364 {
365 char *tmptr=_; /* <---- l+1 ----> */
366 _+=l+1; /* via-prometheus-asymetry-ratio, etc. */
367 ioption("asymetry-ratio",keyword->asymetry_ratio);
368 ioption("asymetry-treshold",keyword->asymetry_fixed);
369 ioption("magic-relative-limit",keyword->data_limit);
370 ioption("magic-relative-prio",keyword->data_prio);
371 loption("magic-fixed-limit",keyword->fixed_limit);
372 loption("magic-fixed-prio",keyword->fixed_prio);
373 ioption("htb-default-prio",keyword->default_prio);
374 ioption("htb-rate-bonus",keyword->reserve_min);
375 ioption("htb-ceil-malus",keyword->reserve_max);
376 option("leaf-discipline",keyword->leaf_discipline);
377 option("html-color",keyword->html_color);
378 _=tmptr;
379
380 if(keyword->data_limit || keyword->fixed_limit ||
381 keyword->data_prio || keyword->fixed_prio)
382 {
383 use_credit=1;
384 }
385 }
386 }
387 }
388
389 option("tc",tc);
390 option("iptables",iptables);
391 option("iptables-save",iptablessave); /* new */
392 option("iptables-restore",iptablesrestore); /* new */
393 option("iptables-file",iptablesfile); /* new */
394 option("hosts",hosts);
395 option("lan-interface",lan);
396 option("wan-interface",wan);
397 option("lan-medium",lan_medium);
398 option("wan-medium",wan_medium);
399 lloption("wan-download",line);
400 lloption("wan-upload",up);
401 ioption("hall-of-fame-enable",hall_of_fame);
402 option("hall-of-fame-title",title);
403 option("hall-of-fame-filename",html);
404 option("hall-of-fame-preview",preview);
405 option("log-filename",cmdlog);
406 option("credit-filename",credit);
407 ioption("credit-enable",enable_credit);
408 option("log-traffic-directory",log_dir);
409 option("log-traffic-html-directory",html_log_dir);
410 option("log-traffic-url-path",log_url);
411 option("qos-free-zone",qos_free_zone);
412 ioption("qos-free-delay",qos_free_delay);
413 ioption("qos-proxy-enable",qos_proxy);
414 option("qos-proxy-ip",proxy_ip);
415 option("htb-leaf-discipline",qos_leaf);
416 ioption("qos-proxy-port",proxy_port);
417 ioption("free-rate",free_min);
418 ioption("free-ceil",free_max);
419 ioption("htb-burst",burst);
420 ioption("htb-burst-main",burst_main);
421 ioption("htb-burst-group",burst_group);
422 ioption("htb-nesting-limit",max_nesting);
423 ioption("htb-r2q",htb_r2q);
424 ioption("magic-include-upload",include_upload);
425 ioption("magic-treshold",magic_treshold);
426 option("filter-type", cnf);
427
428 /* not yet implemented:
429 ioption("magic-fixed-packets",fixed_packets);
430 ioption("magic-relative-packets",packet_limit);
431 */
432 }
433 fail
434 {
435 perror(config_filename);
436 puts("Warning - using built-in defaults instead ...");
437 }
438 done;
439 printf("\n");
440
441 /*leaf discipline for keywords*/
442 for_each(keyword,keywords)
443 {
444 if (!strcmpi(keyword->leaf_discipline, ""))
445 {
446 keyword->leaf_discipline = qos_leaf;
447 }
448 }
449
450 if (strcmpi(cnf, "mark"))
451 {
452 filter_type = 2;
453 mark = "CLASSIFY";
454 mark_iptables = "CLASSIFY --set-class 1:";
455 }
456 else
457 {
458 filter_type = 1;
459 mark = "MARK";
460 mark_iptables = "MARK --set-mark ";
461 }
462
463 /* are supplied values meaningful ?*/
464 if(line<=0 || up<=0)
465 {
466 puts("Illegal value of LAN or WAN bandwidth: 0 kbps.");
467 reject_config_and_exit(config_filename);
468 }
469 }
470
471 /* ===================== traffic analyser - uses iptables ================ */
472
473 void get_traffic_statistics(void)
474 {
475 char *str,*cmd;
476 int downloadflag=0;
477
478 textfile(Pipe,str) *line,*lines=NULL;
479 string(str,STRLEN);
480 string(cmd,STRLEN);
481
482 sprintf(cmd,"%s -L -v -x -n -t mangle",iptables);
483 shell(cmd);
484 input(str,STRLEN)
485 {
486 create(line,Pipe);
487 line->str=str;
488 string(str,STRLEN);
489 append(line,lines);
490 }
491
492 for_each(line,lines)
493 {
494 int col, accept=0,proxyflag=0,valid=1,setchainname=0,commonflag=0;
495 unsigned long long traffic=0;
496 unsigned long pkts=0;
497 char *ipaddr=NULL,*ptr;
498
499 /* debug puts(line->str); */
500 valid_columns(ptr,line->str,' ',col)
501 if(valid) switch(col)
502 {
503 case 1: if(eq(ptr,"Chain"))
504 setchainname=1;
505 else if(eq(ptr,"pkts"))
506 valid=0;
507 else
508 sscanf(ptr,"%lu",&pkts);
509 break;
510 case 2: if(setchainname)
511 {
512 if(!strncmp(ptr,"post_",5) || eq(ptr,"POSTROUTING"))
513 downloadflag=1;
514 else
515 if(!strncmp(ptr,"forw_",5) || eq(ptr,"FORWARD"))
516 downloadflag=0;
517
518 if(eq(ptr,"post_common") || eq(ptr,"forw_common"))
519 commonflag=1;
520 }
521 else
522 sscanf(ptr,"%Lu",&traffic); traffic+=(1<<19); traffic>>=20;
523 break;
524 case 3: if((strncmp(ptr,"post_",5) && strncmp(ptr,"forw_",5)) || commonflag)
525 accept=eq(ptr,mark);
526 /*if (filter_type==1) accept=eq(ptr,"MARK"); else accept=eq(ptr,"CLASSIFY");*/
527 break;
528 case 8: if(downloadflag)
529 {
530 if(strstr(proxy_ip,ptr))proxyflag=1;
531 }
532 else
533 ipaddr=ptr;
534 break;
535 case 9: if(downloadflag)ipaddr=ptr;break;
536 }
537
538 if(accept && traffic>0 && ipaddr)
539 {
540 if(proxyflag)
541 {
542 printf("(proxy) ");
543 }
544 else if(!downloadflag)
545 {
546 printf("(upload) ");
547 }
548 printf("IP %s: %Lu M (%ld pkts)\n", ipaddr, traffic, pkts);
549
550 if_exists(ip,ips,eq(ip->addr,ipaddr));
551 else
552 {
553 TheIP();
554 ip->addr=ipaddr;
555 if(eq(ip->addr,"0.0.0.0/0"))
556 {
557 ip->name="(unregistered)";
558 ip->min=free_min;
559 ip->max=ip->desired=free_max;
560 }
561 }
562
563 if(downloadflag)
564 {
565 if(proxyflag)
566 {
567 ip->proxy=traffic;
568 }
569 else
570 {
571 ip->traffic+=traffic;
572 }
573 ip->direct=ip->traffic-ip->upload-ip->proxy;
574 ip->pktsdown=pkts;
575 }
576 else
577 {
578 ip->upload=traffic;
579 ip->pktsup=pkts;
580 if(include_upload)
581 {
582 ip->traffic+=traffic;
583 }
584 else
585 {
586 if(traffic>ip->traffic)
587 {
588 ip->traffic=traffic;
589 }
590 }
591 }
592 }
593 }
594
595 free(cmd);
596 }
597
598 /* ========== This function executes, logs OR ALSO prints command ========== */
599
600 void safe_run(char *cmd)
601 {
602 if(dry_run)
603 {
604 printf("\n=>%s\n",cmd);
605 }
606 else
607 {
608 system(cmd);
609 }
610 if(log_file)
611 {
612 fprintf(log_file,"%s\n",cmd);
613 }
614 }
615
616 void save_line(char *line)
617 {
618 fprintf(iptables_file,"%s\n",line);
619 }
620
621 void run_restore(void)
622 {
623 char *restor, *str;
624 string(restor,STRLEN);
625
626 /*-----------------------------------------------------------------*/
627 printf("Running %s <%s ...\n",iptablesrestore,iptablesfile);
628 /*-----------------------------------------------------------------*/
629
630 save_line("COMMIT");
631 fclose(iptables_file);
632 if(dry_run)
633 {
634 parse(iptablesfile)
635 {
636 printf("%s\n",_);
637 }
638 done;
639 }
640
641 sprintf(restor,"%s <%s",iptablesrestore, iptablesfile);
642 safe_run(restor);
643
644 free(restor);
645 }
646
647 /* == This function strips extra characters after IP address and stores it = */
648
649 void parse_ip(char *str)
650 {
651 char *ptr,*ipaddr=NULL,*ipname=NULL,*lmsid=NULL;
652
653 ptr=strchr(str,'{');
654 if(ptr)
655 {
656 lmsid=++ptr;
657 while(*ptr && *ptr!='}')
658 {
659 ptr++;
660 }
661 *ptr=0;
662 }
663
664 ptr=str;
665 while(*ptr && *ptr!=' ' && *ptr!=9)
666 {
667 ptr++;
668 }
669
670 *ptr=0;
671 ipaddr=str;
672 ptr++;
673 while(*ptr && (*ptr==' ' || *ptr==9))
674 {
675 ptr++;
676 }
677 ipname=ptr;
678 while(*ptr && *ptr!=' ' && *ptr!=9)
679 {
680 ptr++;
681 }
682 *ptr=0;
683
684 if_exists(ip,ips,eq(ip->addr,ipaddr));
685 else
686 {
687 TheIP();
688 }
689 ip->addr=ipaddr;
690 ip->name=ipname;
691 if(lmsid)
692 {
693 ip->lmsid=atoi(lmsid);
694 found_lmsid=1;
695 }
696 }
697
698 char *parse_datafile_line(char *str)
699 {
700 char *ptr=strchr(str,' ');
701
702 if(ptr)
703 {
704 *ptr=0;
705 ptr++;
706 return ptr;
707 }
708 else
709 {
710 return NULL;
711 }
712 }
713
714 struct IpLog
715 {
716 char *name;
717 long traffic;
718 long guaranted;
719 int i;
720 int lmsid;
721 long l;
722 list(IpLog);
723 } *iplog,*iplogs;
724
725 void parse_ip_log(int argc, char **argv)
726 {
727 char *month, *year, *str, *name="(undefined)", *ptr, *ptr2, *filename;
728 long traffic=0l, traffic_month, total=0, guaranted;
729 int col, col2, y_ok, m_ok, accept_month, i=1, any_month=0, lmsid;
730 char mstr[4], ystr[5];
731 FILE *f;
732 string(str,STRLEN);
733 string(filename,STRLEN);
734
735 if(argv[1][1]=='l') /* -l */
736 {
737 if(argc<4)
738 {
739 puts("Missing parameter(s)!\nUsage: prometheus -l Mmm YYYY (Mmm=Jan-Dec or Year, YYYY=year)");
740 exit(-1);
741 }
742 else
743 {
744 month=argv[2];
745 if(eq(month,"Year")) any_month=1;
746 year=argv[3];
747 }
748 }
749 else
750 {
751 time_t t = time(NULL) - 3600*24 ; /* yesterday's timestamp*/
752 struct tm *timep = localtime(&t);
753
754 if(argv[1][1]=='m') /* -m yestarday - month */
755 {
756 strftime(mstr, 4, "%b", timep);
757 month=mstr;
758 strftime(ystr, 5, "%Y", timep);
759 year=ystr;
760 }
761 else /* -y yesterday - year */
762 {
763 month="Year";
764 any_month=1;
765 strftime(ystr, 5, "%Y", timep);
766 year=ystr;
767 }
768 }
769 printf("Analysing traffic for %s %s ...\n",month,year);
770
771 /* sorry... next release of C<<1 header file will include for_path_files(name,path) { } macro */
772 sprintf(str,"%s %s/",ls,log_dir);
773 shell(str);
774 input(str,STRLEN)
775 {
776 if(strstr(str,".log"))
777 {
778 ptr=strrchr(str,'\n');
779 if(ptr) *ptr='\0';
780 sprintf(filename,"%s/%s",log_dir,str);
781 printf("Parsing %s ...",filename);
782 accept_month=0;
783 traffic_month=0;
784 guaranted=0;
785 lmsid=-1;
786 parse(filename)
787 {
788 y_ok=m_ok=0;
789 valid_columns(ptr,_,'\t',col) switch(col)
790 {
791 case 2: name = ptr;break;
792 case 3: traffic = atol(ptr);break;
793 /* column number - was 7, now 11...*/
794 case 7:
795 case 8:
796 case 9:
797 case 10:
798 case 11: if (isalpha(*ptr)) /* character, not numeric string = date, just one*/
799 {
800 valid_columns(ptr2,ptr,' ',col2) switch(col2)
801 {
802 case 2: if(any_month || eq(ptr2,month)) m_ok = 1; break;
803 case 5: if(eq(ptr2,year)) y_ok = 1; break;
804 }
805 }
806 else
807 {
808 if(col == 7) guaranted = atol(ptr);
809 if(col == 10) lmsid = atoi(ptr);
810 }
811 }
812
813 if(y_ok && m_ok)
814 {
815 traffic_month += traffic;
816 accept_month = 1;
817 }
818 }
819 done;
820
821 if(accept_month)
822 {
823 create(iplog,IpLog);
824 iplog->name = name;
825 iplog->guaranted = guaranted;
826 iplog->traffic = traffic_month;
827 iplog->lmsid = lmsid;
828 insert(iplog,iplogs,desc_order_by,traffic);
829 printf(" %ld MB\n",iplog->traffic);
830 }
831 else
832 {
833 puts(" no records.");
834 }
835 }
836 }
837 sprintf(str,"%s/%s-%s.html",html_log_dir,year,month);
838 printf("Writing %s ...",str);
839 f=fopen(str,"w");
840 if(f)
841 {
842 fprintf(f,"<table border><tr><th colspan=\"2\">%s %s</th><th align=\"right\">lms</th><th colspan=\"2\">Data transfers</th><th align=\"right\">Min.speed</th></tr>\n ",month,year);
843
844 for_each(iplog,iplogs)
845 {
846 if(iplog->traffic)
847 {
848 fprintf(f,"<tr><td align=\"right\">%d</td><th align=\"left\">%s</td><td align=\"right\">", i++, iplog->name);
849 if(iplog->lmsid > 0)
850 {
851 /*base URL will be configurable soon ... */
852 fprintf(f,"<a href=\"https://hermes.spoje.net/?m=customerinfo&amp;id=%d\">%04d</a>\n", iplog->lmsid, iplog->lmsid);
853 }
854 else if(iplog->lmsid == 0)
855 {
856 fputs("-------",f);
857 }
858 fprintf(f,"<td align=\"right\">%ld M</td><th align=\"right\">%ld G</th><td align=\"right\">%ld kbps</th></tr>\n",
859 iplog->traffic, iplog->traffic>>10, iplog->guaranted);
860 total+=iplog->traffic>>10;
861 iplog->i=i;
862 iplog->l=total;
863 }
864 }
865 fprintf(f,"<tr><th colspan=\"4\" align=\"left\">Total:</th><th align=\"right\">%ld GB</th><th align=\"right\">%Ld kbps</th></tr>\n", total, line);
866 fputs("</table>\n", f);
867
868 if(i>10)
869 {
870 fputs("<a name=\"erp\"></a><p><table border><tr><th colspan=\"5\">Enterprise Research and Planning (ERP)</th></tr>\n",f);
871 fputs("<tr><td>Analytic category</td>\n",f);
872 fputs("<td colspan=\"2\" align=\"center\">Active Classes</td><td colspan=\"2\" align=\"center\">Data transfers</td></tr>\n",f);
873
874 if_exists(iplog,iplogs,iplog->l>=total/4)
875 {
876 fprintf(f,"<tr><td>Top 25%% of traffic</td>\n");
877 fprintf(f,"<td align=\"right\">%d</td><td align=\"right\">%d %%</td><td align=\"right\">%ld G</td><td align=\"right\">%d %%</td></tr>\n",iplog->i,(100*iplog->i+50)/i,iplog->l,(int)((100*iplog->l+50)/total));
878 }
879
880 if_exists(iplog,iplogs,iplog->i==10)
881 {
882 fprintf(f,"<tr><td>Top 10 downloaders</td>\n");
883 fprintf(f,"<th align=\"right\">10</th><td align=\"right\">%d %%</td><td align=\"right\">%ld G</td><td align=\"right\">%d %%</td></tr>\n",(100*iplog->i+50)/i,iplog->l,(int)((100*iplog->l+50)/total));
884 }
885
886 if_exists(iplog,iplogs,iplog->l>=total/2)
887 {
888 fprintf(f,"<tr><td>Top 50%% of traffic</td>\n");
889 fprintf(f,"<td align=\"right\">%d</td><td align=\"right\">%d %%</td><td align=\"right\">%ld G</td><th align=\"right\">%d %%</th></tr>\n",iplog->i,(100*iplog->i+50)/i,iplog->l,(int)((100*iplog->l+50)/total));
890 }
891
892 if_exists(iplog,iplogs,iplog->l>=4*total/5)
893 {
894 fprintf(f,"<tr><td>Top 80%% of traffic</td>\n");
895 fprintf(f,"<td align=\"right\">%d</td><td align=\"right\">%d %%</td><td align=\"right\">%ld G</td><th align=\"right\">%d %%</th></tr>\n",iplog->i,(100*iplog->i+50)/i,iplog->l,(int)((100*iplog->l+50)/total));
896 }
897
898 if_exists (iplog,iplogs,iplog->i>=i/5)
899 {
900 fprintf(f,"<tr><td>Top 20%% downloaders</td>\n");
901 fprintf(f,"<td align=\"right\">%d</td><th align=\"right\">%d %%</th><td align=\"right\">%ld G</td><td align=\"right\">%d %%</td></tr>\n",iplog->i,(100*iplog->i+50)/i,iplog->l,(int)((100*iplog->l+50)/total));
902 }
903
904 if_exists(iplog,iplogs,iplog->i>=i/4)
905 {
906 fprintf(f,"<tr><td>Top 25%% downloaders</td>\n");
907 fprintf(f,"<td align=\"right\">%d</td><td align=\"right\">%d %%</td><td align=\"right\">%ld G</td><td align=\"right\">%d %%</td></tr>\n",iplog->i,(100*iplog->i+50)/i,iplog->l,(int)((100*iplog->l+50)/total));
908 }
909
910 if_exists(iplog,iplogs,iplog->i>=i/2)
911 {
912 fprintf(f,"<tr><td>Top 50%% downloaders</td>\n");
913 fprintf(f,"<td align=\"right\">%d</td><th align=\"right\">%d %%</th><td align=\"right\">%ld G</td><td align=\"right\">%d %%</td></tr>\n",iplog->i,(100*iplog->i+50)/i,iplog->l,(int)((100*iplog->l+50)/total));
914 }
915
916 if_exists(iplog,iplogs,iplog->i>=4*i/5)
917 {
918 fprintf(f,"<tr><td>Top 80%% downloaders</td>\n");
919 fprintf(f,"<td align=\"right\">%d</td><td align=\"right\">%d %%</td><td align=\"right\">%ld G</td><td align=\"right\">%d %%</td></tr>\n",iplog->i,(100*iplog->i+50)/i,iplog->l,(int)((100*iplog->l+50)/total));
920 }
921
922 fprintf(f,"<tr><td>All users, all traffic</td>\n");
923 fprintf(f,"<th align=\"right\">%d</th><th align=\"right\">100 %%</th><th align=\"right\">%ld G</th><th align=\"right\">100 %%</th></tr>\n",i-1,total);
924 fputs("</table>\n", f);
925 }
926
927 fprintf(f, stats_html_signature, version);
928 fclose(f);
929 puts(" done.");
930 }
931 }
932
933 /*-----------------------------------------------------------------*/
934 /* Are you looking for int main(int argc, char **argv) ? :-)) */
935 /*-----------------------------------------------------------------*/
936
937 program
938 {
939 int i=0;
940 FILE *f=NULL;
941 char *str, *ptr, *d;
942 char *substring;
943 int class_count=0,ip_count=0;
944 int parent=1;
945 int just_flush=FALSE;
946 int nodelay=FALSE;
947 int just_preview=FALSE; /* preview - generate just stats */
948 int just_logs=FALSE; /* just parse logs */
949 int run=FALSE;
950
951 char *chain_forward, *chain_postrouting;
952 char *althosts=NULL;
953
954 printf("\n\
955 Prometheus QoS - \"fair-per-IP\" Quality of Service setup utility.\n\
956 Version %s - Copyright (C)2005-2011 Michael Polak (xChaos)\n\
957 iptables-restore & burst tunning & classify modification by Ludva\n\
958 Credit: CZFree.Net, Martin Devera, Netdave, Aquarius, Gandalf\n\n",version);
959
960 /*----- Boring... we have to check command line options first: ----*/
961
962 arguments
963 {
964 argument("-c") { nextargument(config); }
965 argument("-h") { nextargument(althosts);}
966 argument("-d") { run=TRUE; dry_run=TRUE; }
967 argument("-f") { run=TRUE; just_flush=TRUE; }
968 argument("-9") { run=TRUE; just_flush=9; }
969 argument("-p") { run=TRUE; just_preview=TRUE; }
970 argument("-r") { run=TRUE; }
971 argument("-n") { run=TRUE; nodelay=TRUE; }
972 argument("-l") { just_logs=TRUE; }
973 argument("-m") { just_logs=TRUE; }
974 argument("-y") { just_logs=TRUE; }
975 argument("-?") { help(); exit(0); }
976 argument("--help") { help(); exit(0); }
977 argument("-v") { exit(0); }
978 argument("--version") { exit(0); }
979 }
980
981 if(dry_run)
982 {
983 puts("*** THIS IS JUST DRY RUN ! ***\n");
984 }
985
986 date(d); /* this is typical cll1.h macro - prints current date */
987
988 /*-----------------------------------------------------------------*/
989 printf("Parsing configuration file %s ...\n", config);
990 /*-----------------------------------------------------------------*/
991 get_config(config);
992
993 if(just_logs)
994 {
995 parse_ip_log(argc,argv);
996 exit(0);
997 }
998 else if(not run)
999 {
1000 help();
1001 exit(0);
1002 }
1003
1004 if(althosts)
1005 {
1006 hosts=althosts;
1007 }
1008
1009 if(just_flush<9)
1010 {
1011 /*-----------------------------------------------------------------*/
1012 puts("Parsing iptables verbose output ...");
1013 /*-----------------------------------------------------------------*/
1014 get_traffic_statistics();
1015 }
1016
1017 /*-----------------------------------------------------------------*/
1018 printf("Parsing class defintion file %s ...\n", hosts);
1019 /*-----------------------------------------------------------------*/
1020 int groupidx = FIRSTGROUPID;
1021 parse(hosts)
1022 {
1023 str=_;
1024
1025 if(*str<'0' || *str>'9')
1026 {
1027 /* any line starting with non-number is comment ...*/
1028 continue;
1029 }
1030
1031 //Does this IP share QoS class with some other ?
1032 substring=strstr(str,"sharing-");
1033 if(substring)
1034 {
1035 substring+=8; //"sharing-"
1036 parse_ip(str);
1037 ip_count++;
1038 ip->sharing=substring;
1039 ip->keyword=defaultkeyword; /* settings for default keyword */
1040 while(*substring && *substring!='\n')
1041 {
1042 substring++;
1043 }
1044 *substring=0;
1045 }
1046 else
1047 {
1048 //Do we have to create new QoS class for this IP ?
1049
1050 if_exists(keyword,keywords,(substring=strstr(str,keyword->key)))
1051 {
1052 parse_ip(str);
1053 ip_count++;
1054 ip->keyword=keyword;
1055 keyword->ip_count++;
1056 ip->prio=keyword->default_prio;
1057 substring+=strlen(keyword->key)+1;
1058 ptr=substring;
1059 while(*ptr && *ptr!='-')
1060 {
1061 ptr++;
1062 }
1063 if(*ptr=='-')
1064 {
1065 *ptr=0;
1066 ip->max=ip->desired=atoi(ptr+1);
1067 }
1068 ip->min=atoi(substring);
1069 if(ip->min<=0)
1070 {
1071 printf(" %s: Illegal value of minimum bandwidth 0 kbps, using %d kbps\n",str,free_min);
1072 ip->min=free_min;
1073 }
1074 if(ip->max<=ip->min)
1075 {
1076 ip->fixedprio=1;
1077 ip->max=ip->min+ip->keyword->reserve_min;
1078 }
1079 else
1080 {
1081 ip->max-=ip->keyword->reserve_max;
1082 if(ip->max<ip->min)
1083 {
1084 ip->max=ip->min;
1085 }
1086 }
1087 ip->mark=FIRSTIPCLASS+1+class_count++;
1088
1089 if_exists(group,groups,group->min==ip->min)
1090 {
1091 group->count++;
1092 group->desired+=ip->min;
1093 ip->group = group->id;
1094 }
1095 else
1096 {
1097 create(group,Group);
1098 group->min=ip->min;
1099 group->id = groupidx++;
1100 ip->group = group->id;
1101
1102 if(group->min<8) group->min=8;
1103 /* Warning - this is maybe because of primitive tc namespace, can be fixed */
1104 /* it is because class IDs are derived from min. bandwidth. - xCh */
1105 //if(group->min>MAX_GUARANTED_KBPS) group->min=MAX_GUARANTED_KBPS;
1106
1107 group->count=1;
1108 group->desired=ip->min;
1109 insert(group,groups,desc_order_by,min);
1110 }
1111 }//endif keyword-
1112 }//endif sharing-
1113 }
1114 fail
1115 {
1116 perror(hosts);
1117 exit(-1);
1118 }
1119 done;
1120
1121 /*-----------------------------------------------------------------*/
1122 /* cll1.h - let's allocate brand new character buffer... */
1123 /*-----------------------------------------------------------------*/
1124 string(str,STRLEN);
1125
1126 /*-----------------------------------------------------------------*/
1127 puts("Resolving shared connections ...");
1128 /*-----------------------------------------------------------------*/
1129 for_selected(ip,ips,ip->sharing)
1130 {
1131 for_selected(sharedip,ips,eq(sharedip->name,ip->sharing))
1132 {
1133 sharedip->traffic+=ip->traffic;
1134 ip->traffic=0;
1135 ip->mark=sharedip->mark;
1136 ip->lmsid=sharedip->lmsid;
1137 break;
1138 }
1139 if(!sharedip)
1140 {
1141 printf("Unresolved shared connection: %s %s sharing-%s\n",ip->addr,ip->name,ip->sharing);
1142 }
1143 }
1144
1145 if(enable_credit && just_flush<9)
1146 {
1147 /*-----------------------------------------------------------------*/
1148 printf("Parsing credit file %s ...\n", credit);
1149 /*-----------------------------------------------------------------*/
1150 parse(credit)
1151 {
1152 ptr=parse_datafile_line(_);
1153 if(ptr)
1154 {
1155 if_exists(ip,ips,eq(ip->addr,_))
1156 {
1157 sscanf(ptr,"%Lu",&(ip->credit));
1158 }
1159 }
1160 }
1161 done;
1162 }
1163
1164 if(!just_preview)
1165 {
1166 /*-----------------------------------------------------------------*/
1167 puts("Initializing iptables and tc classes ...");
1168 /*-----------------------------------------------------------------*/
1169
1170 iptables_file=fopen(iptablesfile,"w");
1171 if (iptables_file == NULL)
1172 {
1173 puts("Cannot open iptablesfile!");
1174 exit(-1);
1175 }
1176
1177 log_file=fopen(cmdlog,"w");
1178 if (log_file == NULL)
1179 {
1180 puts("Cannot open logfile!");
1181 exit(-1);
1182 }
1183
1184 save_line(iptablespreamble);
1185 run_restore();
1186
1187 sprintf(str,"%s qdisc del dev %s root 2>/dev/null",tc,lan);
1188 safe_run(str);
1189
1190 sprintf(str,"%s qdisc del dev %s root 2>/dev/null",tc,wan);
1191 safe_run(str);
1192
1193 iptables_file=fopen(iptablesfile,"w");
1194 save_line(iptablespreamble);
1195
1196 if(qos_free_zone && *qos_free_zone!='0')
1197 {
1198 char *chain;
1199
1200 sprintf(str,"-A FORWARD -d %s -o %s -j ACCEPT", qos_free_zone, wan);
1201 save_line(str);
1202
1203 if(qos_proxy)
1204 {
1205 save_line(":post_noproxy - [0:0]");
1206 sprintf(str,"-A POSTROUTING -p ! tcp -o %s -j post_noproxy", lan);
1207 save_line(str);
1208 sprintf(str,"-A POSTROUTING -s ! %s -o %s -j post_noproxy", proxy_ip, lan);
1209 save_line(str);
1210 sprintf(str,"-A POSTROUTING -s %s -p tcp --sport ! %d -o %s -j post_noproxy", proxy_ip, proxy_port, lan);
1211 save_line(str);
1212
1213 chain="post_noproxy";
1214 }
1215 else
1216 {
1217 chain="POSTROUTING";
1218 }
1219
1220 sprintf(str,"-A %s -s %s -o %s -j ACCEPT", chain, qos_free_zone, lan);
1221 save_line(str);
1222 }
1223
1224 if(ip_count>idxtable_treshold1 && !just_flush)
1225 {
1226 int idxcount=0, bitmask=32-idxtable_bitmask1; /* default net mask: 255.255.255.240 */
1227 char *subnet, *buf;
1228 /*-----------------------------------------------------------------*/
1229 printf("Detected %d addresses - indexing iptables rules to improve performance...\n",ip_count);
1230 /*-----------------------------------------------------------------*/
1231
1232 save_line(":post_common - [0:0]");
1233 save_line(":forw_common - [0:0]");
1234
1235 for_selected(ip,ips,ip->addr && *(ip->addr) && !eq(ip->addr,"0.0.0.0/0"))
1236 {
1237 buf=hash_id(ip->addr,bitmask);
1238 if_exists(idx,idxs,eq(idx->id,buf))
1239 {
1240 idx->children++;
1241 }
1242 else
1243 {
1244 create(idx,Index);
1245 idx->addr=ip->addr;
1246 idx->id=buf;
1247 idx->bitmask=bitmask;
1248 idx->parent=NULL;
1249 idx->children=0;
1250 idxcount++;
1251 push(idx,idxs);
1252 }
1253 }
1254
1255 /* brutal perfomance optimalization */
1256 while(idxcount>idxtable_treshold2 && bitmask>2*idxtable_bitmask2)
1257 {
1258 bitmask-=idxtable_bitmask2;
1259 idxcount=0;
1260
1261 for_selected(idx,idxs,idx->parent==NULL)
1262 {
1263 buf=hash_id(idx->addr,bitmask);
1264 if_exists(metaindex,idxs,eq(metaindex->id,buf))
1265 {
1266 metaindex->children++;
1267 }
1268 else
1269 {
1270 create(metaindex,Index);
1271 metaindex->addr=idx->addr;
1272 metaindex->id=buf;
1273 metaindex->bitmask=bitmask;
1274 metaindex->parent=NULL;
1275 metaindex->children=0;
1276 idxcount++;
1277 push(metaindex,idxs);
1278 }
1279 idx->parent=metaindex;
1280 }
1281 }
1282
1283 /* this should slightly optimize throughout ... */
1284 sort(idx,idxs,desc_order_by,children);
1285 sort(idx,idxs,order_by,bitmask);
1286
1287 i=0;
1288 for_each(idx,idxs)
1289 {
1290 subnet=subnet_id(idx->addr,idx->bitmask);
1291 printf("%d: %s/%d\n",++i,subnet,idx->bitmask);
1292
1293 sprintf(str,":post_%s - [0:0]", idx->id);
1294 save_line(str);
1295
1296 sprintf(str,":forw_%s - [0:0]", idx->id);
1297 save_line(str);
1298
1299 if(idx->parent)
1300 {
1301 string(buf,strlen(idx->parent->id)+6);
1302 sprintf(buf,"post_%s",idx->parent->id);
1303 }
1304 else
1305 {
1306 buf="POSTROUTING";
1307 }
1308
1309 sprintf(str,"-A %s -d %s/%d -o %s -j post_%s", buf, subnet, idx->bitmask, lan, idx->id);
1310 save_line(str);
1311
1312 sprintf(str,"-A %s -d %s/%d -o %s -j post_common", buf, subnet, idx->bitmask, lan);
1313 save_line(str);
1314
1315 if(idx->parent)
1316 {
1317 string(buf,strlen(idx->parent->id)+6);
1318 sprintf(buf,"forw_%s",idx->parent->id);
1319 }
1320 else
1321 {
1322 buf="FORWARD";
1323 }
1324
1325 sprintf(str,"-A %s -s %s/%d -o %s -j forw_%s", buf, subnet, idx->bitmask, wan, idx->id);
1326 save_line(str);
1327
1328 sprintf(str,"-A %s -s %s/%d -o %s -j forw_common", buf, subnet, idx->bitmask, wan);
1329 save_line(str);
1330 }
1331 printf("Total indexed iptables chains created: %d\n", i);
1332
1333 sprintf(str,"-A FORWARD -o %s -j forw_common", wan);
1334 save_line(str);
1335
1336 sprintf(str,"-A POSTROUTING -o %s -j post_common", lan);
1337 save_line(str);
1338 }
1339
1340 }
1341
1342 if(just_flush)
1343 {
1344 fclose(iptables_file);
1345 if (log_file) fclose(log_file);
1346 puts("Just flushed iptables and tc classes - now exiting ...");
1347 exit(0);
1348 }
1349
1350 if(!just_preview)
1351 {
1352 if(!dry_run && !nodelay && qos_free_delay)
1353 {
1354 printf("Flushed iptables and tc classes - now sleeping for %d seconds...\n",qos_free_delay);
1355 sleep(qos_free_delay);
1356 }
1357
1358 sprintf(str,"%s qdisc add dev %s root handle 1: htb r2q %d default 1",tc,lan,htb_r2q);
1359 safe_run(str);
1360
1361 sprintf(str, "%s class add dev %s parent 1: classid 1:2 htb rate %s ceil %s burst %dk prio %d",
1362 tc,lan,lan_medium,lan_medium,burst_main,highest_priority);
1363 safe_run(str);
1364
1365 sprintf(str, "%s class add dev %s parent 1:2 classid 1:1 htb rate %Ldkbit ceil %Ldkbit burst %dk prio %d",
1366 tc,lan,line,line,burst_main,highest_priority);
1367 safe_run(str);
1368
1369 sprintf(str,"%s qdisc add dev %s root handle 1: htb r2q %d default 1",tc,wan,htb_r2q);
1370 safe_run(str);
1371
1372 sprintf(str, "%s class add dev %s parent 1: classid 1:2 htb rate %s ceil %s burst %dk prio %d",
1373 tc,wan,wan_medium,wan_medium,burst_main,highest_priority);
1374 safe_run(str);
1375
1376 sprintf(str, "%s class add dev %s parent 1:2 classid 1:1 htb rate %Ldkbit ceil %Ldkbit burst %dk prio %d",
1377 tc,wan,up,up,burst_main,highest_priority);
1378 safe_run(str);
1379 }
1380
1381 /*-----------------------------------------------------------------*/
1382 puts("Locating heavy downloaders and generating root classes ...");
1383 /*-----------------------------------------------------------------*/
1384 sort(ip,ips,desc_order_by,traffic);
1385
1386 /*-----------------------------------------------------------------*/
1387 /* sub-scope - local variables */
1388 {
1389 long long int rate=line;
1390 long long int max=line;
1391 int group_count=0;
1392 FILE *credit_file=NULL;
1393
1394 if(!just_preview && !dry_run && enable_credit)
1395 {
1396 credit_file=fopen(credit,"w");
1397 }
1398
1399 for_each(group,groups)
1400 {
1401 if(!just_preview)
1402 {
1403 //download
1404 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",
1405 tc, lan, parent, group->id, rate, max, burst_group, highest_priority+1, group->desired);
1406 safe_run(str);
1407
1408 //upload
1409 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",
1410 tc, wan, parent, group->id, rate*up/line, max*up/line, burst_group, highest_priority+1, group->desired);
1411 safe_run(str);
1412 }
1413
1414 if(group_count++<max_nesting)
1415 {
1416 parent=group->id;
1417 }
1418
1419 rate-=digital_divide*group->min;
1420 if(rate<group->min)
1421 {
1422 rate=group->min;
1423 }
1424
1425 /*shaping of aggresive downloaders, with credit file support */
1426 if(use_credit)
1427 {
1428 int group_rate=group->min, priority_sequence=lowest_priority;
1429
1430 for_selected(ip, ips, ip->min==group->min && ip->max>ip->min)
1431 {
1432 if( ip->keyword->data_limit && !ip->fixedprio &&
1433 ip->traffic>ip->credit+
1434 (ip->min*ip->keyword->data_limit+(ip->keyword->fixed_limit<<20)) )
1435 {
1436 if(group_rate<ip->max)
1437 {
1438 ip->max=group_rate;
1439 }
1440 group_rate+=magic_treshold;
1441 ip->prio=lowest_priority;
1442 if(ip->prio<highest_priority+2)
1443 {
1444 ip->prio=highest_priority+2;
1445 }
1446 }
1447 else
1448 {
1449 if( ip->keyword->data_prio && !ip->fixedprio &&
1450 ip->traffic>ip->credit+
1451 (ip->min*ip->keyword->data_prio+(ip->keyword->fixed_prio<<20)) )
1452 {
1453 ip->prio=priority_sequence--;
1454 if(ip->prio<highest_priority+1)
1455 {
1456 ip->prio=highest_priority+1;
1457 }
1458 }
1459
1460 if(credit_file)
1461 {
1462 unsigned long long lcredit=0;
1463
1464 if((ip->min*ip->keyword->data_limit+(ip->keyword->fixed_limit<<20))>ip->traffic)
1465 {
1466 lcredit=(ip->min*ip->keyword->data_limit+(ip->keyword->fixed_limit<<20))-ip->traffic;
1467 }
1468 fprintf(credit_file,"%s %Lu\n",ip->addr,lcredit);
1469 }
1470 }
1471 }
1472
1473 }
1474 }
1475 if(credit_file)
1476 {
1477 fclose(credit_file);
1478 }
1479 }
1480
1481 if(just_preview)
1482 {
1483 f=fopen(preview,"w");
1484 ptr=preview;
1485 }
1486 else if(!dry_run && !just_flush)
1487 {
1488 /*-----------------------------------------------------------------*/
1489 printf("Writing data transfer database ...\n");
1490 /*-----------------------------------------------------------------*/
1491 f=fopen("/var/run/prometheus.previous","w");
1492 if(f)
1493 {
1494 for_selected(ip,ips,ip->traffic || ip->direct || ip->proxy ||ip->upload)
1495 fprintf(f,"%s %Lu %Lu %Lu %Lu\n",ip->addr,ip->traffic,ip->direct,ip->proxy,ip->upload);
1496 fclose(f);
1497 }
1498
1499 f=fopen(html,"w");
1500 ptr=html;
1501 }
1502
1503 if(f)
1504 {
1505 int total=0;
1506 int count=1;
1507 i=0;
1508
1509 /*-----------------------------------------------------------------*/
1510 printf("Sorting data and generating statistics page %s ...\n",ptr);
1511 /*-----------------------------------------------------------------*/
1512
1513 fputs("<table border>\n<tr><th align=\"right\">#</th><th align=\"right\">group</th><th align=\"right\">IPs</th><th align=\"right\">requested</th>\n",f);
1514 fprintf(f,"<th colspan=\"%d\">data limits</th>\n",keywordcount);
1515 fputs("</tr>\n",f);
1516
1517 for_each(group,groups)
1518 {
1519 #ifdef DEBUG
1520 printf("%d k group: %d bandwidth requested: %d k\n",group->min,group->count,group->desired);
1521 #endif
1522 fprintf(f,"<tr><td align=\"right\">%d</td><td align=\"right\">%d k</td>",count,group->min);
1523 fprintf(f,"<td align=\"right\">%d</td><td align=\"right\">%d k</td>",group->count,group->desired);
1524
1525 for_each(keyword,keywords)
1526 {
1527 fprintf(f,"<td align=\"right\"><font color=\"#%s\">%d M</font></td>",keyword->html_color,group->min*keyword->data_limit);
1528 }
1529 i+=group->desired;
1530 total+=group->count;
1531 count++;
1532 }
1533 #ifdef DEBUG
1534 printf("Total groups: %d Total bandwidth requested: %d k\nAGGREGATION: 1/%d\n",count,i,i/line);
1535 #endif
1536 fprintf(f,"<tr><th colspan=\"2\" align=\"left\">Line %Ld k</td>",line);
1537 fprintf(f,"<th align=\"right\">%d</td><th align=\"right\">%d k</td>",total,i);
1538
1539 for_each(keyword,keywords)
1540 {
1541 fprintf(f,"<th align=\"right\">%d IPs</th>",keyword->ip_count);
1542 }
1543 fprintf(f,"</tr><tr><th colspan=\"4\">Aggregation 1/%d</th>\n",(int)(0.5+i/line));
1544 fprintf(f,"<th colspan=\"%d\">%d traffic classes</th></tr>\n",keywordcount,total);
1545
1546 fputs("</table>\n",f);
1547 }
1548 else if(!dry_run && !just_flush)
1549 perror(html);
1550
1551 i=1;
1552 if(f)
1553 {
1554 unsigned long long total=0, total_direct=0, total_proxy=0, total_upload=0, tmp_sum=0;
1555 int active_classes=0;
1556 int colspan;
1557 FILE *iplog;
1558 struct Sum {unsigned long long l; int i; list(Sum);} *sum,*sums=NULL;
1559
1560 colspan=11;
1561 if(qos_proxy)
1562 {
1563 colspan++;
1564 }
1565 if(found_lmsid)
1566 {
1567 colspan++;
1568 }
1569
1570 fprintf(f,"<p><table border>\n<tr><th colspan=\"%d\">%s",colspan,title);
1571 fprintf(f," (%s)</th></tr>\n", d);
1572 fputs("<tr><td align=\"right\">#</td><td>hostname</td>",f);
1573 if(found_lmsid)
1574 {
1575 fputs("<td align=\"right\">lms</td>\n",f);
1576 }
1577 fputs("<td align=\"right\">credit</td>\
1578 <td align=\"right\">limit</td>\
1579 <td align=\"right\">total</td>\
1580 <td align=\"right\">direct</td>\n",f);
1581 if(qos_proxy)
1582 {
1583 fputs("<td align=\"right\">proxy</td>\n",f);
1584 }
1585 fputs("<td align=\"right\">upload</td>\
1586 <td align=\"right\">minimum</td>\
1587 <td align=\"right\">desired</td>\
1588 <td align=\"right\">maximum</td>\
1589 <td>prio</td></tr>\n",f);
1590
1591 for_each(ip,ips)
1592 {
1593 char *f1="", *f2="";
1594 if(ip->max<ip->desired)
1595 {
1596 f1="<font color=\"red\">";
1597 f2="</font>";
1598 }
1599 else if(ip->prio>highest_priority+1)
1600 {
1601 f1="<font color=\"brown\">";
1602 f2="</font>";
1603 }
1604
1605 #ifdef DEBUG
1606 printf("%03d. %-22s %10Lu (%d/%d)\n",i ,ip->name, ip->traffic, ip->min, ip->max);
1607 #endif
1608 fprintf(f,"<tr><td align=\"right\"><a name=\"%s\"></a>%d</td><td><a href=\"%s%s.log\">%s</a></td>\n", ip->name, i, log_url, ip->name, ip->name);
1609 if(found_lmsid)
1610 {
1611 fputs("<td align=\"right\">",f);
1612 if(ip->lmsid > 0)
1613 {
1614 /*base URL will be configurable soon ... */
1615 fprintf(f,"<a href=\"https://hermes.spoje.net/?m=customerinfo&amp;id=%d\">%04d</a>\n", ip->lmsid, ip->lmsid);
1616 }
1617 else if(ip->lmsid == 0)
1618 {
1619 fputs("-------",f);
1620 }
1621 fputs("</td>\n",f);
1622 }
1623 fprintf(f,"<td align=\"right\">%Lu M</td>\n", ip->credit);
1624 fprintf(f,"<td align=\"right\"><font color=\"#%s\">%Lu M</font></td>",
1625 ip->keyword->html_color, ip->credit+(ip->min*ip->keyword->data_limit+(ip->keyword->fixed_limit<<20)));
1626 fprintf(f,"<td align=\"right\">%s%Lu M%s</td><td align=\"right\">%Lu M</td>\n", f1, ip->traffic, f2, ip->direct);
1627 if(qos_proxy)
1628 {
1629 fprintf(f,"<td align=\"right\">%Lu M</td>\n", ip->proxy);
1630 }
1631 fprintf(f,"<td align=\"right\">%Lu M</td>\n", ip->upload);
1632 fprintf(f,"<td align=\"right\">%d k</td><td align=\"right\">%d k</td><td align=\"right\">%s%d k%s</td><td>%s%d%s</td></tr>\n",
1633 ip->min,ip->desired,f1,ip->max,f2,f1,ip->prio,f2);
1634 total+=ip->traffic;
1635 total_direct+=ip->direct;
1636 total_proxy+=ip->proxy;
1637 total_upload+=ip->upload;
1638 if(ip->traffic>0)
1639 {
1640 active_classes++;
1641 tmp_sum+=ip->traffic;
1642 create(sum,Sum);
1643 sum->l=tmp_sum;
1644 sum->i=active_classes;
1645 insert(sum,sums,order_by,i);
1646 }
1647
1648 i++;
1649
1650 if(!just_preview)
1651 {
1652 sprintf(str,"%s/%s.log",log_dir,ip->name);
1653 iplog=fopen(str,"a");
1654 if(iplog)
1655 {
1656 fprintf(iplog,"%ld\t%s\t%Lu\t%Lu\t%Lu\t%Lu\t%d\t%d\t%d\t%d\t%s",
1657 time(NULL),ip->name,ip->traffic,ip->direct,ip->proxy,ip->upload,ip->min,ip->max,ip->desired,ip->lmsid,d); /* d = date*/
1658 fclose(iplog);
1659 }
1660 }
1661
1662 }
1663 fprintf(f,"<tr><th colspan=\"%d\" align=\"left\">SUMMARY:</td>",colspan-7);
1664 fprintf(f,"<th align=\"right\">%Lu M</th>\
1665 <th align=\"right\">%Lu M</th>\n", total, total_direct);
1666 if(qos_proxy)
1667 {
1668 fprintf(f,"<th align=\"right\">%Lu M</th>\n", total_proxy);
1669 }
1670 fprintf(f,"<th align=\"right\">%Lu M</th>", total_upload);
1671 fputs("<td colspan=\"4\"></td></th>\n</table>\n",f);
1672
1673 if(active_classes>10)
1674 {
1675 fputs("<a name=\"erp\"></a><p><table border><tr><th colspan=\"5\">Enterprise Research and Planning (ERP)</th></tr>\n",f);
1676 fputs("<tr><td>Analytic category</td>\n",f);
1677 fputs("<td colspan=\"2\" align=\"center\">Active Classes</td><td colspan=\"2\" align=\"center\">Data transfers</td></tr>\n",f);
1678
1679 if_exists(sum,sums,sum->l>=total/4)
1680 {
1681 fprintf(f,"<tr><td>Top 25%% of traffic</td>\n");
1682 fprintf(f,"<td align=\"right\">%d</td><td align=\"right\">%d %%</td><td align=\"right\">%Lu M</td><td align=\"right\">%Ld %%</td></tr>\n",sum->i,(100*sum->i+50)/active_classes,sum->l,(100*sum->l+50)/total);
1683 }
1684
1685 if_exists(sum,sums,sum->i==10)
1686 {
1687 fprintf(f,"<tr><td>Top 10 downloaders</td>\n");
1688 fprintf(f,"<th align=\"right\">10</th><td align=\"right\">%d %%</td><td align=\"right\">%Lu M</td><td align=\"right\">%Ld %%</td></tr>\n",(100*sum->i+50)/active_classes,sum->l,(100*sum->l+50)/total);
1689 }
1690
1691 if_exists(sum,sums,sum->l>=total/2)
1692 {
1693 fprintf(f,"<tr><td>Top 50%% of traffic</td>\n");
1694 fprintf(f,"<td align=\"right\">%d</td><td align=\"right\">%d %%</td><td align=\"right\">%Lu M</td><th align=\"right\">%Ld %%</th></tr>\n",sum->i,(100*sum->i+50)/active_classes,sum->l,(100*sum->l+50)/total);
1695 }
1696
1697 if_exists(sum,sums,sum->l>=4*total/5)
1698 {
1699 fprintf(f,"<tr><td>Top 80%% of traffic</td>\n");
1700 fprintf(f,"<td align=\"right\">%d</td><td align=\"right\">%d %%</td><td align=\"right\">%Lu M</td><th align=\"right\">%Ld %%</th></tr>\n",sum->i,(100*sum->i+50)/active_classes,sum->l,(100*sum->l+50)/total);
1701 }
1702
1703 if_exists (sum,sums,sum->i>=(active_classes+1)/5)
1704 {
1705 fprintf(f,"<tr><td>Top 20%% downloaders</td>\n");
1706 fprintf(f,"<td align=\"right\">%d</td><th align=\"right\">%d %%</th><td align=\"right\">%Lu M</td><td align=\"right\">%Ld %%</td></tr>\n",sum->i,(100*sum->i+50)/active_classes,sum->l,(100*sum->l+50)/total);
1707 }
1708
1709 if_exists(sum,sums,sum->i>=(active_classes+1)/4)
1710 {
1711 fprintf(f,"<tr><td>Top 25%% downloaders</td>\n");
1712 fprintf(f,"<td align=\"right\">%d</td><td align=\"right\">%d %%</td><td align=\"right\">%Lu M</td><td align=\"right\">%Ld %%</td></tr>\n",sum->i,(100*sum->i+50)/active_classes,sum->l,(100*sum->l+50)/total);
1713 }
1714
1715 if_exists(sum,sums,sum->i>=(active_classes+1)/2)
1716 {
1717 fprintf(f,"<tr><td>Top 50%% downloaders</td>\n");
1718 fprintf(f,"<td align=\"right\">%d</td><th align=\"right\">%d %%</th><td align=\"right\">%Lu M</td><td align=\"right\">%Ld %%</td></tr>\n",sum->i,(100*sum->i+50)/active_classes,sum->l,(100*sum->l+50)/total);
1719 }
1720
1721 if_exists(sum,sums,sum->i>=4*(active_classes+1)/5)
1722 {
1723 fprintf(f,"<tr><td>Top 80%% downloaders</td>\n");
1724 fprintf(f,"<td align=\"right\">%d</td><td align=\"right\">%d %%</td><td align=\"right\">%Lu M</td><td align=\"right\">%Ld %%</td></tr>\n",sum->i,(100*sum->i+50)/active_classes,sum->l,(100*sum->l+50)/total);
1725 }
1726
1727 fprintf(f,"<tr><td>All users, all traffic</td>\n");
1728 fprintf(f,"<th align=\"right\">%d</th><th align=\"right\">100 %%</th><th align=\"right\">%Lu M</th><th align=\"right\">100 %%</th></tr>\n",active_classes,total);
1729 fputs("</table>\n", f);
1730 }
1731 fprintf(f, stats_html_signature, version);
1732 fclose(f);
1733 }
1734
1735 if(just_preview)
1736 {
1737 puts("Statistics preview generated (-p switch) - now exiting ...");
1738 exit(0);
1739 }
1740
1741 /*-----------------------------------------------------------------*/
1742 puts("Generating iptables and tc classes ...");
1743 /*-----------------------------------------------------------------*/
1744
1745 i=0;
1746 printf("%-22s %-15s mark\n","name","ip");
1747
1748 for_selected(ip,ips,ip->mark>0)
1749 {
1750
1751 if(idxs)
1752 {
1753 char *buf;
1754 duplicate(ip->addr,buf);
1755 buf=hash_id(ip->addr,32-idxtable_bitmask1);
1756
1757 string(chain_forward,6+strlen(buf));
1758 strcpy(chain_forward,"forw_");
1759 strcat(chain_forward,buf);
1760
1761 string(chain_postrouting,6+strlen(buf));
1762 strcpy(chain_postrouting,"post_");
1763 strcat(chain_postrouting,buf);
1764
1765 free(buf);
1766 }
1767 else
1768 {
1769 chain_forward="FORWARD";
1770 chain_postrouting="POSTROUTING";
1771 }
1772
1773 printf("%-22s %-16s %04d ", ip->name, ip->addr, ip->mark);
1774
1775 /* -------------------------------------------------------- mark download */
1776
1777 sprintf(str,"-A %s -d %s/32 -o %s -j %s%d",chain_postrouting,ip->addr,lan,mark_iptables,ip->mark);
1778 /*sprintf(str,"-A %s -d %s/32 -o %s -j MARK --set-mark %d",chain_postrouting,ip->addr,lan,ip->mark);*/
1779 /* -m limit --limit 1/s */
1780 save_line(str);
1781
1782 if(qos_proxy)
1783 {
1784 sprintf(str,"-A %s -s %s -p tcp --sport %d -d %s/32 -o %s -j %s%d",chain_postrouting,proxy_ip,proxy_port,ip->addr,lan,mark_iptables,ip->mark);
1785 /*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);*/
1786 save_line(str);
1787 }
1788
1789 sprintf(str,"-A %s -d %s/32 -o %s -j ACCEPT",chain_postrouting,ip->addr,lan);
1790 save_line(str);
1791
1792 /* -------------------------------------------------------- mark upload */
1793 sprintf(str,"-A %s -s %s/32 -o %s -j %s%d",chain_forward,ip->addr,wan,mark_iptables,ip->mark);
1794 /* sprintf(str,"-A %s -s %s/32 -o %s -j MARK --set-mark %d",chain_forward,ip->addr,wan,ip->mark);*/
1795 save_line(str);
1796
1797 sprintf(str,"-A %s -s %s/32 -o %s -j ACCEPT",chain_forward,ip->addr,wan);
1798 save_line(str);
1799
1800 if(ip->min)
1801 {
1802 /* -------------------------------------------------------- download class */
1803 printf("(down: %dk-%dk ", ip->min, ip->max);
1804
1805 sprintf(str,"%s class add dev %s parent 1:%d classid 1:%d htb rate %dkbit ceil %dkbit burst %dk prio %d", tc, lan, ip->group, ip->mark,ip->min,ip->max, burst, ip->prio);
1806 safe_run(str);
1807
1808 if (strcmpi(ip->keyword->leaf_discipline, "none"))
1809 {
1810 sprintf(str,"%s qdisc add dev %s parent 1:%d handle %d %s", tc, lan, ip->mark, ip->mark, ip->keyword->leaf_discipline); /*qos_leaf*/
1811 safe_run(str);
1812 }
1813 if (filter_type == 1)
1814 {
1815 sprintf(str,"%s filter add dev %s parent 1:0 protocol ip handle %d fw flowid 1:%d", tc, lan, ip->mark, ip->mark);
1816 safe_run(str);
1817 }
1818
1819 /* -------------------------------------------------------- upload class */
1820 printf("up: %dk-%dk)\n", (int)((ip->min/ip->keyword->asymetry_ratio)-ip->keyword->asymetry_fixed),
1821 (int)((ip->max/ip->keyword->asymetry_ratio)-ip->keyword->asymetry_fixed));
1822
1823 sprintf(str,"%s class add dev %s parent 1:%d classid 1:%d htb rate %dkbit ceil %dkbit burst %dk prio %d",
1824 tc, wan, ip->group, ip->mark,
1825 (int)((ip->min/ip->keyword->asymetry_ratio)-ip->keyword->asymetry_fixed),
1826 (int)((ip->max/ip->keyword->asymetry_ratio)-ip->keyword->asymetry_fixed), burst, ip->prio);
1827 safe_run(str);
1828
1829 if (strcmpi(ip->keyword->leaf_discipline, "none"))
1830 {
1831 sprintf(str,"%s qdisc add dev %s parent 1:%d handle %d %s",tc, wan, ip->mark, ip->mark, ip->keyword->leaf_discipline); /*qos_leaf*/
1832 safe_run(str);
1833 }
1834 if (filter_type == 1)
1835 {
1836 sprintf(str,"%s filter add dev %s parent 1:0 protocol ip handle %d fw flowid 1:%d",tc, wan, ip->mark, ip->mark);
1837 safe_run(str);
1838 }
1839 }
1840 else
1841 printf("(sharing %s)\n", ip->sharing);
1842 i++;
1843 }
1844
1845 if(idxs)
1846 {
1847 chain_forward = "forw_common";
1848 chain_postrouting = "post_common";
1849 }
1850 else
1851 {
1852 chain_forward = "FORWARD";
1853 chain_postrouting = "POSTROUTING";
1854 }
1855 /* -------------------------------- classify or reject free download */
1856 {
1857 char *final_chain = "DROP"; /* REJECT would be better, but it is impossible in mangle */
1858 if(free_min) final_chain = "ACCEPT";
1859 if(qos_proxy)
1860 {
1861 if(free_min)
1862 {
1863 sprintf(str,"-A %s -s %s -p tcp --sport %d -o %s -j %s%d",chain_postrouting,proxy_ip,proxy_port,lan,mark_iptables,3);
1864 save_line(str);
1865 }
1866 sprintf(str,"-A %s -s %s -p tcp --sport %d -o %s -j %s",chain_postrouting,proxy_ip,proxy_port,lan,final_chain);
1867 save_line(str);
1868 }
1869 if(free_min)
1870 {
1871 sprintf(str,"-A %s -o %s -j %s%d",chain_postrouting,lan,mark_iptables,3);
1872 save_line(str);
1873 }
1874 sprintf(str,"-A %s -o %s -j %s",chain_postrouting,lan,final_chain);
1875 save_line(str);
1876 /* ------------------------------- classify or reject free upload */
1877 if(free_min)
1878 {
1879 sprintf(str,"-A %s -o %s -j %s%d",chain_forward,wan,mark_iptables,3);
1880 save_line(str);
1881 }
1882 sprintf(str,"-A %s -o %s -j %s",chain_forward,wan,final_chain);
1883 save_line(str);
1884 }
1885
1886 if(free_min) /* allocate free bandwith if it is not zero... */
1887 {
1888 /*-----------------------------------------------------------------*/
1889 puts("Generating free bandwith classes ...");
1890 /*-----------------------------------------------------------------*/
1891 sprintf(str, "%s class add dev %s parent 1:%d classid 1:3 htb rate %dkbit ceil %dkbit burst %dk prio %d",
1892 tc,lan,parent,free_min,free_max,burst,lowest_priority);
1893 safe_run(str);
1894 sprintf(str, "%s class add dev %s parent 1:%d classid 1:3 htb rate %dkbit ceil %dkbit burst %dk prio %d",
1895 tc,wan,parent,free_min,free_max,burst,lowest_priority);
1896 safe_run(str);
1897 /* tc SFQ */
1898 if (strcmpi(qos_leaf, "none"))
1899 {
1900 sprintf(str,"%s qdisc add dev %s parent 1:3 handle 3 %s",tc,lan,qos_leaf);
1901 safe_run(str);
1902
1903 sprintf(str,"%s qdisc add dev %s parent 1:3 handle 3 %s",tc,wan,qos_leaf);
1904 safe_run(str);
1905 }
1906 /* tc handle 1 fw flowid */
1907 sprintf(str,"%s filter add dev %s parent 1:0 protocol ip handle 3 fw flowid 1:3",tc,lan);
1908 safe_run(str);
1909
1910 sprintf(str,"%s filter add dev %s parent 1:0 protocol ip handle 3 fw flowid 1:3",tc,wan);
1911 safe_run(str);
1912 }
1913 printf("Total IP count: %d\n", i);
1914 run_restore();
1915 if (log_file) fclose(log_file);
1916 return 0;
1917 /* that's all folks, thank you for reading it all the way up to this point ;-) */
1918 /* bad luck C<<1 is not yet finished, I promise no sprintf() next time... */
1919 }
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