1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
|
/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2014 Adam <Adam@anope.org>
* Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
* Copyright (C) 2007-2008 Craig Edwards <craigedwards@brainbox.cc>
* Copyright (C) 2008 Robin Burchell <robin+git@viroteck.net>
*
* This file is part of InspIRCd. InspIRCd is free software: you can
* redistribute it and/or modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation, version 2.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "inspircd.h"
#include "main.h"
#include "utils.h"
#include "treeserver.h"
#include "commands.h"
CommandMap::CommandMap(Module* Creator)
: Command(Creator, "MAP", 0, 1)
{
Penalty = 2;
}
static inline bool IsHidden(User* user, TreeServer* server)
{
if (!user->IsOper())
{
if (server->Hidden)
return true;
if (Utils->HideULines && server->IsULine())
return true;
}
return false;
}
// Calculate the map depth the servers go, and the longest server name
static void GetDepthAndLen(TreeServer* current, unsigned int depth, unsigned int& max_depth, unsigned int& max_len)
{
if (depth > max_depth)
max_depth = depth;
if (current->GetName().length() > max_len)
max_len = current->GetName().length();
const TreeServer::ChildServers& servers = current->GetChildren();
for (TreeServer::ChildServers::const_iterator i = servers.begin(); i != servers.end(); ++i)
{
TreeServer* child = *i;
GetDepthAndLen(child, depth + 1, max_depth, max_len);
}
}
static std::vector<std::string> GetMap(User* user, TreeServer* current, unsigned int max_len, unsigned int depth)
{
float percent = 0;
const user_hash& users = ServerInstance->Users->GetUsers();
if (!users.empty())
{
// If there are no users, WHO THE HELL DID THE /MAP?!?!?!
percent = current->UserCount * 100.0 / users.size();
}
std::string buffer = current->GetName();
if (user->IsOper())
{
buffer += " (" + current->GetID() + ")";
}
// Pad with spaces until its at max len, max_len must always be >= my names length
buffer.append(max_len - current->GetName().length(), ' ');
char buf[16];
snprintf(buf, sizeof(buf), "%5d [%5.2f%%]", current->UserCount, percent);
buffer += buf;
if (user->IsOper())
{
time_t secs_up = ServerInstance->Time() - current->age;
buffer += " [Up: " + ModuleSpanningTree::TimeToStr(secs_up) + (current->rtt == 0 ? "]" : " Lag: " + ConvToStr(current->rtt) + "ms]");
}
std::vector<std::string> map;
map.push_back(buffer);
const TreeServer::ChildServers& servers = current->GetChildren();
for (TreeServer::ChildServers::const_iterator i = servers.begin(); i != servers.end(); ++i)
{
TreeServer* child = *i;
if (IsHidden(user, child))
continue;
bool last = true;
for (TreeServer::ChildServers::const_iterator j = i + 1; last && j != servers.end(); ++j)
if (!IsHidden(user, *j))
last = false;
unsigned int next_len;
if (user->IsOper() || !Utils->FlatLinks)
{
// This child is indented by us, so remove the depth from the max length to align the users properly
next_len = max_len - 2;
}
else
{
// This user can not see depth, so max_len remains constant
next_len = max_len;
}
// Build the map for this child
std::vector<std::string> child_map = GetMap(user, child, next_len, depth + 1);
for (std::vector<std::string>::const_iterator j = child_map.begin(); j != child_map.end(); ++j)
{
const char* prefix;
if (user->IsOper() || !Utils->FlatLinks)
{
// If this server is not the root child
if (j != child_map.begin())
{
// If this child is not my last child, then add |
// to be able to "link" the next server in my list to me, and to indent this childs servers
if (!last)
prefix = "| ";
// Otherwise this is my last child, so just use a space as theres nothing else linked to me below this
else
prefix = " ";
}
// If we get here, this server must be the root child
else
{
// If this is the last child, it gets a `-
if (last)
prefix = "`-";
// Otherwise this isn't the last child, so it gets |-
else
prefix = "|-";
}
}
else
// User can't see depth, so use no prefix
prefix = "";
// Add line to the map
map.push_back(prefix + *j);
}
}
return map;
}
CmdResult CommandMap::Handle(const std::vector<std::string>& parameters, User* user)
{
if (parameters.size() > 0)
{
// Remote MAP, the target server is the 1st parameter
TreeServer* s = Utils->FindServerMask(parameters[0]);
if (!s)
{
user->WriteNumeric(ERR_NOSUCHSERVER, parameters[0], "No such server");
return CMD_FAILURE;
}
if (!s->IsRoot())
return CMD_SUCCESS;
}
// Max depth and max server name length
unsigned int max_depth = 0;
unsigned int max_len = 0;
GetDepthAndLen(Utils->TreeRoot, 0, max_depth, max_len);
unsigned int max;
if (user->IsOper() || !Utils->FlatLinks)
{
// Each level of the map is indented by 2 characters, making the max possible line (max_depth * 2) + max_len
max = (max_depth * 2) + max_len;
}
else
{
// This user can't see any depth
max = max_len;
}
std::vector<std::string> map = GetMap(user, Utils->TreeRoot, max, 0);
for (std::vector<std::string>::const_iterator i = map.begin(); i != map.end(); ++i)
user->WriteRemoteNumeric(RPL_MAP, *i);
size_t totusers = ServerInstance->Users->GetUsers().size();
float avg_users = (float) totusers / Utils->serverlist.size();
user->WriteRemoteNumeric(RPL_MAPUSERS, InspIRCd::Format("%u server%s and %u user%s, average %.2f users per server",
(unsigned int)Utils->serverlist.size(), (Utils->serverlist.size() > 1 ? "s" : ""), (unsigned int)totusers, (totusers > 1 ? "s" : ""), avg_users));
user->WriteRemoteNumeric(RPL_ENDMAP, "End of /MAP");
return CMD_SUCCESS;
}
RouteDescriptor CommandMap::GetRouting(User* user, const std::vector<std::string>& parameters)
{
if (!parameters.empty())
return ROUTE_UNICAST(parameters[0]);
return ROUTE_LOCALONLY;
}
|
