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1 | /* | |
2 | * Solanum: a slightly advanced ircd | |
3 | * sno_routing.c: Shows notices about netjoins and netsplits | |
4 | * | |
5 | * Copyright (c) 2005-2006 Jilles Tjoelker <jilles-at-stack.nl> | |
6 | * | |
7 | * Redistribution and use in source and binary forms, with or without | |
8 | * modification, are permitted provided that the following conditions are | |
9 | * met: | |
10 | * | |
11 | * 1.Redistributions of source code must retain the above copyright notice, | |
12 | * this list of conditions and the following disclaimer. | |
13 | * 2.Redistributions in binary form must reproduce the above copyright | |
14 | * notice, this list of conditions and the following disclaimer in the | |
15 | * documentation and/or other materials provided with the distribution. | |
16 | * 3.The name of the author may not be used to endorse or promote products | |
17 | * derived from this software without specific prior written permission. | |
18 | * | |
19 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR | |
20 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | |
21 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
22 | * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, | |
23 | * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
24 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | |
25 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
26 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
27 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING | |
28 | * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
29 | * POSSIBILITY OF SUCH DAMAGE. | |
30 | */ | |
31 | ||
32 | #include "stdinc.h" | |
33 | #include "modules.h" | |
34 | #include "client.h" | |
35 | #include "hook.h" | |
36 | #include "ircd.h" | |
37 | #include "send.h" | |
38 | ||
39 | static void h_nn_server_eob(void *); | |
40 | static void h_nn_client_exit(void *); | |
41 | ||
42 | mapi_hfn_list_av1 nn_hfnlist[] = { | |
43 | { "server_eob", h_nn_server_eob }, | |
44 | { "client_exit", h_nn_client_exit }, | |
45 | { NULL, NULL } | |
46 | }; | |
47 | ||
48 | static const char sno_desc[] = "Show notices about netjoins and netsplits"; | |
49 | ||
50 | DECLARE_MODULE_AV2(networknotice, NULL, NULL, NULL, NULL, nn_hfnlist, NULL, NULL, sno_desc); | |
51 | ||
52 | /* | |
53 | * count_mark_downlinks | |
54 | * | |
55 | * inputs - pointer to server to count | |
56 | * - pointers to server and user count | |
57 | * output - NONE | |
58 | * side effects - servers are marked | |
59 | * - server and user counts are added to given values | |
60 | */ | |
61 | static void | |
62 | count_mark_downlinks(struct Client *server_p, int *pservcount, int *pusercount) | |
63 | { | |
64 | rb_dlink_node *ptr; | |
65 | ||
66 | SetFloodDone(server_p); | |
67 | (*pservcount)++; | |
68 | *pusercount += rb_dlink_list_length(&server_p->serv->users); | |
69 | RB_DLINK_FOREACH(ptr, server_p->serv->servers.head) | |
70 | { | |
71 | count_mark_downlinks(ptr->data, pservcount, pusercount); | |
72 | } | |
73 | } | |
74 | ||
75 | static void | |
76 | h_nn_server_eob(void *data) | |
77 | { | |
78 | struct Client *source_p = data; | |
79 | int s = 0, u = 0; | |
80 | ||
81 | if (IsFloodDone(source_p)) | |
82 | return; | |
83 | count_mark_downlinks(source_p, &s, &u); | |
84 | sendto_realops_snomask(SNO_GENERAL, L_ALL, "Netjoin %s <-> %s (%dS %dC)", | |
85 | source_p->servptr ? source_p->servptr->name : "?", | |
86 | source_p->name, s, u); | |
87 | } | |
88 | ||
89 | static void | |
90 | h_nn_client_exit(void *data) | |
91 | { | |
92 | hook_data_client_exit *hdata = data; | |
93 | struct Client *source_p; | |
94 | int s = 0, u = 0; | |
95 | char *fromnick; | |
96 | ||
97 | source_p = hdata->target; | |
98 | fromnick = IsClient(hdata->from) ? hdata->from->name : NULL; | |
99 | ||
100 | if (!IsServer(source_p)) | |
101 | return; | |
102 | if (HasSentEob(source_p)) | |
103 | { | |
104 | count_mark_downlinks(source_p, &s, &u); | |
105 | sendto_realops_snomask(SNO_GENERAL, L_ALL, "Netsplit %s <-> %s (%dS %dC) (%s%s%s%s)", | |
106 | source_p->servptr ? source_p->servptr->name : "?", | |
107 | source_p->name, s, u, | |
108 | fromnick ? "by " : "", | |
109 | fromnick ? fromnick : "", | |
110 | fromnick ? ": " : "", | |
111 | hdata->comment); | |
112 | } | |
113 | else | |
114 | sendto_realops_snomask(SNO_GENERAL, L_ALL, "Netsplit %s <-> %s (during burst) (%s%s%s%s)", | |
115 | source_p->servptr ? source_p->servptr->name : "?", | |
116 | source_p->name, | |
117 | fromnick ? "by " : "", | |
118 | fromnick ? fromnick : "", | |
119 | fromnick ? ": " : "", | |
120 | hdata->comment); | |
121 | } |