-/* +------------------------------------+
- * | Inspire Internet Relay Chat Daemon |
- * +------------------------------------+
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
*
- * InspIRCd: (C) 2002-2010 InspIRCd Development Team
- * See: http://wiki.inspircd.org/Credits
+ * 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 program is free but copyrighted software; see
- * the file COPYING for details.
+ * 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/>.
*/
-/* $ModDesc: Provides a spanning tree server link protocol */
#include "inspircd.h"
#include "main.h"
#include "utils.h"
#include "treeserver.h"
-#include "treesocket.h"
-
-/* $ModDep: m_spanningtree/main.h m_spanningtree/utils.h m_spanningtree/treeserver.h m_spanningtree/treesocket.h */
+#include "commands.h"
-const std::string ModuleSpanningTree::MapOperInfo(TreeServer* Current)
+CommandMap::CommandMap(Module* Creator)
+ : Command(Creator, "MAP", 0, 1)
{
- time_t secs_up = ServerInstance->Time() - Current->age;
- return " [Up: " + TimeToStr(secs_up) + (Current->rtt == 0 ? "]" : " Lag: " + ConvToStr(Current->rtt) + "ms]");
+ Penalty = 2;
}
-void ModuleSpanningTree::ShowMap(TreeServer* Current, User* user, int depth, int &line, char* names, int &maxnamew, char* stats)
+static inline bool IsHidden(User* user, TreeServer* server)
{
- ServerInstance->Logs->Log("map",DEBUG,"ShowMap depth %d on line %d", depth, line);
- float percent;
-
- if (ServerInstance->Users->clientlist->size() == 0)
+ if (!user->IsOper())
{
- // If there are no users, WHO THE HELL DID THE /MAP?!?!?!
- percent = 0;
+ if (server->Hidden)
+ return true;
+ if (Utils->HideULines && server->IsULine())
+ return true;
}
- else
+
+ 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)
{
- percent = Current->GetUserCount() * 100.0 / ServerInstance->Users->clientlist->size();
+ TreeServer* child = *i;
+ GetDepthAndLen(child, depth + 1, max_depth, max_len);
}
+}
- const std::string operdata = IS_OPER(user) ? MapOperInfo(Current) : "";
-
- char* myname = names + 100 * line;
- char* mystat = stats + 50 * line;
- memset(myname, ' ', depth);
- int w = depth;
+static std::vector<std::string> GetMap(User* user, TreeServer* current, unsigned int max_len, unsigned int depth)
+{
+ float percent = 0;
- if (IS_OPER(user))
+ const user_hash& users = ServerInstance->Users->GetUsers();
+ if (!users.empty())
{
- w += snprintf(myname + depth, 99 - depth, "%s (%s)", Current->GetName().c_str(), Current->GetID().c_str());
+ // If there are no users, WHO THE HELL DID THE /MAP?!?!?!
+ percent = current->UserCount * 100.0 / users.size();
}
- else
+
+ std::string buffer = current->GetName();
+ if (user->IsOper())
{
- w += snprintf(myname + depth, 99 - depth, "%s", Current->GetName().c_str());
+ buffer += " (" + current->GetID() + ")";
}
- memset(myname + w, ' ', 100 - w);
- if (w > maxnamew)
- maxnamew = w;
- snprintf(mystat, 49, "%5d [%5.2f%%]%s", Current->GetUserCount(), percent, operdata.c_str());
- line++;
+ // 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 (IS_OPER(user) || !Utils->FlatLinks)
- depth = depth + 2;
- for (unsigned int q = 0; q < Current->ChildCount(); q++)
+ if (user->IsOper())
{
- TreeServer* child = Current->GetChild(q);
- if (!IS_OPER(user)) {
- if (child->Hidden)
- continue;
- if ((Utils->HideULines) && (ServerInstance->ULine(child->GetName().c_str())))
- continue;
- }
- ShowMap(child, user, depth, line, names, maxnamew, stats);
+ 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);
-// Ok, prepare to be confused.
-// After much mulling over how to approach this, it struck me that
-// the 'usual' way of doing a /MAP isnt the best way. Instead of
-// keeping track of a ton of ascii characters, and line by line
-// under recursion working out where to place them using multiplications
-// and divisons, we instead render the map onto a backplane of characters
-// (a character matrix), then draw the branches as a series of "L" shapes
-// from the nodes. This is not only friendlier on CPU it uses less stack.
-bool ModuleSpanningTree::HandleMap(const std::vector<std::string>& parameters, User* user)
-{
- if (parameters.size() > 0)
+ const TreeServer::ChildServers& servers = current->GetChildren();
+ for (TreeServer::ChildServers::const_iterator i = servers.begin(); i != servers.end(); ++i)
{
- /* Remote MAP, the server is within the 1st parameter */
- TreeServer* s = Utils->FindServerMask(parameters[0]);
- bool ret = false;
- if (!s)
+ 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)
{
- user->WriteNumeric(ERR_NOSUCHSERVER, "%s %s :No such server", user->nick.c_str(), parameters[0].c_str());
- ret = true;
+ // 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 if (s && s != Utils->TreeRoot)
+ else
{
- parameterlist params;
- params.push_back(parameters[0]);
-
- params[0] = s->GetName();
- Utils->DoOneToOne(user->uuid, "MAP", params, s->GetName());
- ret = true;
+ // This user can not see depth, so max_len remains constant
+ next_len = max_len;
}
- // Don't return if s == Utils->TreeRoot (us)
- if (ret)
- return true;
- }
+ // Build the map for this child
+ std::vector<std::string> child_map = GetMap(user, child, next_len, depth + 1);
- // These arrays represent a virtual screen which we will
- // "scratch" draw to, as the console device of an irc
- // client does not provide for a proper terminal.
- int totusers = ServerInstance->Users->clientlist->size();
- int totservers = this->CountServs();
- int maxnamew = 0;
- int line = 0;
- char* names = new char[totservers * 100];
- char* stats = new char[totservers * 50];
-
- // The only recursive bit is called here.
- ShowMap(Utils->TreeRoot,user,0,line,names,maxnamew,stats);
-
- // Process each line one by one.
- for (int l = 1; l < line; l++)
- {
- char* myname = names + 100 * l;
- // scan across the line looking for the start of the
- // servername (the recursive part of the algorithm has placed
- // the servers at indented positions depending on what they
- // are related to)
- int first_nonspace = 0;
-
- while (myname[first_nonspace] == ' ')
+ for (std::vector<std::string>::const_iterator j = child_map.begin(); j != child_map.end(); ++j)
{
- first_nonspace++;
+ 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);
}
+ }
- first_nonspace--;
-
- // Draw the `- (corner) section: this may be overwritten by
- // another L shape passing along the same vertical pane, becoming
- // a |- (branch) section instead.
-
- myname[first_nonspace] = '-';
- myname[first_nonspace-1] = '`';
- int l2 = l - 1;
+ return map;
+}
- // Draw upwards until we hit the parent server, causing possibly
- // other corners (`-) to become branches (|-)
- while ((names[l2 * 100 + first_nonspace-1] == ' ') || (names[l2 * 100 + first_nonspace-1] == '`'))
+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)
{
- names[l2 * 100 + first_nonspace-1] = '|';
- l2--;
+ user->WriteNumeric(ERR_NOSUCHSERVER, parameters[0], "No such server");
+ return CMD_FAILURE;
}
+
+ if (!s->IsRoot())
+ return CMD_SUCCESS;
}
- float avg_users = totusers * 1.0 / line;
+ // 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);
- ServerInstance->Logs->Log("map",DEBUG,"local");
- for (int t = 0; t < line; t++)
+ 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
{
- // terminate the string at maxnamew characters
- names[100 * t + maxnamew] = '\0';
- user->SendText(":%s %d %s :%s %s", ServerInstance->Config->ServerName.c_str(),
- RPL_MAP, user->nick.c_str(), names + 100 * t, stats + 50 * t);
+ // This user can't see any depth
+ max = max_len;
}
- user->SendText(":%s %d %s :%d server%s and %d user%s, average %.2f users per server",
+
+ 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->SendText(":%s %03d %s :%s", ServerInstance->Config->ServerName.c_str(),
+ RPL_MAP, user->nick.c_str(), i->c_str());
+
+ size_t totusers = ServerInstance->Users->GetUsers().size();
+ float avg_users = (float) totusers / Utils->serverlist.size();
+
+ user->SendText(":%s %03d %s :%u server%s and %u user%s, average %.2f users per server",
ServerInstance->Config->ServerName.c_str(), RPL_MAPUSERS, user->nick.c_str(),
- line, (line > 1 ? "s" : ""), totusers, (totusers > 1 ? "s" : ""), avg_users);
- user->SendText(":%s %d %s :End of /MAP", ServerInstance->Config->ServerName.c_str(),
+ (unsigned int)Utils->serverlist.size(), (Utils->serverlist.size() > 1 ? "s" : ""), (unsigned int)totusers, (totusers > 1 ? "s" : ""), avg_users);
+ user->SendText(":%s %03d %s :End of /MAP", ServerInstance->Config->ServerName.c_str(),
RPL_ENDMAP, user->nick.c_str());
- delete[] names;
- delete[] stats;
-
- return true;
+ 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;
+}
projects / user / henk / code / inspircd.git / blobdiff