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1 | /* Modified by: xChaos, 20131029 */ |
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2 | |
3 | #include "cll1-0.6.2.h" |
4 | #include "ipstruct.h" |
5 | |
6 | #define STRLEN 512 |
7 | |
8 | extern struct IP *ips, *networks; |
9 | |
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10 | void update_network(char *look_for, struct IP* ip) |
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11 | { |
12 | struct IP *network; |
13 | char *netaddr, *lastnum, *ipaddr; |
14 | int ipnum, netnum; |
15 | |
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16 | duplicate(look_for, ipaddr); |
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17 | lastnum = strrchr(ipaddr, '.'); |
18 | if(lastnum) |
19 | { |
20 | ipnum = atoi(lastnum + 1); |
21 | *lastnum = 0; |
22 | } |
23 | |
24 | for_each(network, networks) |
25 | { |
26 | duplicate(network->addr, netaddr); |
27 | lastnum = strrchr(netaddr, '.'); |
28 | if(lastnum) |
29 | { |
30 | netnum = atoi(lastnum + 1); |
31 | *lastnum = 0; |
32 | // printf("%s/%d + %d\n",network->addr,network->mask,(1<<(32-network->mask))); |
33 | if( eq(netaddr, ipaddr) |
34 | and netnum + (1<<(32-network->mask)) > ipnum |
35 | and netnum <= ipnum) |
36 | { |
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37 | network->group += 1; |
38 | network->min += ip->min; |
39 | network->direct += ip->max<<10; /* sum of Mbps, not kbps*/ |
40 | |
41 | if(ip->max > network->max) |
42 | { |
43 | network->max = ip->max; |
44 | } |
45 | |
46 | if(network->max > network->min) |
47 | { |
48 | network->desired = network->max; |
49 | } |
50 | else |
51 | { |
52 | network->desired = network->min; |
53 | } |
54 | return; |
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55 | } |
56 | } |
57 | } |
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58 | } |
59 | |
60 | void analyse_topology(char *traceroute) |
61 | { |
62 | char *buf, *netaddr, *ptr, *lastnum, *str; |
63 | int col, gateway, netnum, tracert; |
64 | struct IP *network=NULL, *ip; |
65 | |
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66 | /*-----------------------------------------------------------------*/ |
67 | puts("Analysing network topology ..."); |
68 | /*-----------------------------------------------------------------*/ |
69 | for_each(ip, networks) |
70 | { |
71 | printf("%s/%d %s\n",ip->addr, ip->mask, ip->name); |
72 | duplicate(ip->addr, buf); |
73 | lastnum = strrchr(buf, '.'); |
74 | if(lastnum) |
75 | { |
76 | gateway = atoi(lastnum + 1) + 1; /* this is just common rule... */ |
77 | *lastnum = 0; |
78 | string(str,STRLEN); |
79 | sprintf(str, traceroute, buf, gateway); |
80 | shell(str); |
81 | input(str,STRLEN) |
82 | { |
83 | if( not strstr(str, "traceroute") |
84 | and not strstr(str, "* * *")) |
85 | { |
86 | printf("%s",str); |
87 | duplicate(str, buf); |
88 | valid_columns(ptr, buf, ' ', col) |
89 | if(*ptr=='*') |
90 | { |
91 | col--; |
92 | } |
93 | else if(col==2) |
94 | { |
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95 | //#ifdef DEBUG |
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96 | printf("via [%s]\n", ptr); |
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97 | //#endif |
98 | update_network(ptr, ip); |
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99 | } |
100 | } |
101 | } |
102 | } |
103 | } |
104 | sort(network, networks, desc_order_by, min); |
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105 | sort(network, networks, desc_order_by, desired); |
106 | |
107 | /*-----------------------------------------------------------------*/ |
108 | puts("Requested network parameters are:"); |
109 | /*-----------------------------------------------------------------*/ |
110 | for_each(ip, networks) if(ip->desired>>10 > 0) |
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111 | { |
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112 | printf("%s/%d %s REQUESTED=%dM (classes=%d, sum_min=%dk, max_1=%dk, sum_max=%LuM, agreg.=1:%d)\n", |
113 | ip->addr, ip->mask, ip->name, ip->desired>>10, ip->group, ip->min, ip->max, ip->direct, |
114 | (int)((float)(ip->direct)/(ip->desired>>10))); |
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115 | } |
116 | exit(-1); |
117 | } |