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-rw-r--r--include/listmode.h34
-rw-r--r--src/listmode.cpp70
2 files changed, 81 insertions, 23 deletions
diff --git a/include/listmode.h b/include/listmode.h
index c21f9b93f..ee2b4118d 100644
--- a/include/listmode.h
+++ b/include/listmode.h
@@ -39,6 +39,15 @@ class ListModeBase : public ModeHandler
typedef std::list<ListItem> ModeList;
private:
+ class ChanData
+ {
+ public:
+ ModeList list;
+ int maxitems;
+
+ ChanData() : maxitems(-1) { }
+ };
+
/** The number of items a listmode's list may contain
*/
struct ListLimit
@@ -46,12 +55,29 @@ class ListModeBase : public ModeHandler
std::string mask;
unsigned int limit;
ListLimit(const std::string& Mask, unsigned int Limit) : mask(Mask), limit(Limit) { }
+ bool operator==(const ListLimit& other) const { return (this->mask == other.mask && this->limit == other.limit); }
};
/** Max items per channel by name
*/
typedef std::vector<ListLimit> limitlist;
+ /** Finds the limit of modes that can be placed on the given channel name according to the config
+ * @param channame The channel name to find the limit for
+ * @return The maximum number of modes of this type that we allow to be set on the given channel name
+ */
+ unsigned int FindLimit(const std::string& channame);
+
+ /** Returns the limit on the given channel for this mode.
+ * If the limit is cached then the cached value is returned,
+ * otherwise the limit is determined using FindLimit() and cached
+ * for later queries before it is returned
+ * @param channame The channel name to find the limit for
+ * @param cd The ChanData associated with channel channame
+ * @return The maximum number of modes of this type that we allow to be set on the given channel
+ */
+ unsigned int GetLimitInternal(const std::string& channame, ChanData* cd);
+
protected:
/** Numeric to use when outputting the list
*/
@@ -75,7 +101,7 @@ class ListModeBase : public ModeHandler
/** Storage key
*/
- SimpleExtItem<ModeList> extItem;
+ SimpleExtItem<ChanData> extItem;
public:
/** Constructor.
@@ -183,5 +209,9 @@ class ListModeBase : public ModeHandler
inline ListModeBase::ModeList* ListModeBase::GetList(Channel* channel)
{
- return extItem.get(channel);
+ ChanData* cd = extItem.get(channel);
+ if (!cd)
+ return NULL;
+
+ return &cd->list;
}
diff --git a/src/listmode.cpp b/src/listmode.cpp
index f45f1624f..555f75fa3 100644
--- a/src/listmode.cpp
+++ b/src/listmode.cpp
@@ -29,10 +29,10 @@ ListModeBase::ListModeBase(Module* Creator, const std::string& Name, char modech
void ListModeBase::DisplayList(User* user, Channel* channel)
{
- ModeList* el = extItem.get(channel);
- if (el)
+ ChanData* cd = extItem.get(channel);
+ if (cd)
{
- for (ModeList::reverse_iterator it = el->rbegin(); it != el->rend(); ++it)
+ for (ModeList::reverse_iterator it = cd->list.rbegin(); it != cd->list.rend(); ++it)
{
user->WriteNumeric(listnumeric, "%s %s %s %s %lu", user->nick.c_str(), channel->name.c_str(), it->mask.c_str(), (!it->setter.empty() ? it->setter.c_str() : ServerInstance->Config->ServerName.c_str()), (unsigned long) it->time);
}
@@ -47,12 +47,12 @@ void ListModeBase::DisplayEmptyList(User* user, Channel* channel)
void ListModeBase::RemoveMode(Channel* channel, irc::modestacker* stack)
{
- ModeList* el = extItem.get(channel);
- if (el)
+ ChanData* cd = extItem.get(channel);
+ if (cd)
{
irc::modestacker modestack(false);
- for (ModeList::iterator it = el->begin(); it != el->end(); it++)
+ for (ModeList::iterator it = cd->list.begin(); it != cd->list.end(); it++)
{
if (stack)
stack->Push(this->GetModeChar(), it->mask);
@@ -83,6 +83,7 @@ void ListModeBase::DoRehash()
{
ConfigTagList tags = ServerInstance->Config->ConfTags(configtag);
+ limitlist oldlimits = chanlimits;
chanlimits.clear();
for (ConfigIter i = tags.first; i != tags.second; i++)
@@ -97,6 +98,17 @@ void ListModeBase::DoRehash()
if (chanlimits.empty())
chanlimits.push_back(ListLimit("*", 64));
+
+ // Most of the time our settings are unchanged, so we can avoid iterating the chanlist
+ if (oldlimits == chanlimits)
+ return;
+
+ for (chan_hash::const_iterator i = ServerInstance->chanlist->begin(); i != ServerInstance->chanlist->end(); ++i)
+ {
+ ChanData* cd = extItem.get(i->second);
+ if (cd)
+ cd->maxitems = -1;
+ }
}
void ListModeBase::DoImplements(Module* m)
@@ -107,11 +119,11 @@ void ListModeBase::DoImplements(Module* m)
ServerInstance->Modules->Attach(eventlist, m, sizeof(eventlist)/sizeof(Implementation));
}
-unsigned int ListModeBase::GetLimit(Channel* channel)
+unsigned int ListModeBase::FindLimit(const std::string& channame)
{
for (limitlist::iterator it = chanlimits.begin(); it != chanlimits.end(); ++it)
{
- if (InspIRCd::Match(channel->name, it->mask))
+ if (InspIRCd::Match(channame, it->mask))
{
// We have a pattern matching the channel
return it->limit;
@@ -120,10 +132,26 @@ unsigned int ListModeBase::GetLimit(Channel* channel)
return 64;
}
+unsigned int ListModeBase::GetLimitInternal(const std::string& channame, ChanData* cd)
+{
+ if (cd->maxitems < 0)
+ cd->maxitems = FindLimit(channame);
+ return cd->maxitems;
+}
+
+unsigned int ListModeBase::GetLimit(Channel* channel)
+{
+ ChanData* cd = extItem.get(channel);
+ if (!cd) // just find the limit
+ return FindLimit(channel->name);
+
+ return GetLimitInternal(channel->name, cd);
+}
+
ModeAction ListModeBase::OnModeChange(User* source, User*, Channel* channel, std::string &parameter, bool adding)
{
// Try and grab the list
- ModeList* el = extItem.get(channel);
+ ChanData* cd = extItem.get(channel);
if (adding)
{
@@ -134,15 +162,15 @@ ModeAction ListModeBase::OnModeChange(User* source, User*, Channel* channel, std
return MODEACTION_DENY;
// If there was no list
- if (!el)
+ if (!cd)
{
// Make one
- el = new ModeList;
- extItem.set(channel, el);
+ cd = new ChanData;
+ extItem.set(channel, cd);
}
// Check if the item already exists in the list
- for (ModeList::iterator it = el->begin(); it != el->end(); it++)
+ for (ModeList::iterator it = cd->list.begin(); it != cd->list.end(); it++)
{
if (parameter == it->mask)
{
@@ -154,7 +182,7 @@ ModeAction ListModeBase::OnModeChange(User* source, User*, Channel* channel, std
}
}
- if ((IS_LOCAL(source)) && (el->size() >= GetLimit(channel)))
+ if ((IS_LOCAL(source)) && (cd->list.size() >= GetLimitInternal(channel->name, cd)))
{
/* List is full, give subclass a chance to send a custom message */
TellListTooLong(source, channel, parameter);
@@ -175,7 +203,7 @@ ModeAction ListModeBase::OnModeChange(User* source, User*, Channel* channel, std
if (ValidateParam(source, channel, parameter))
{
// And now add the mask onto the list...
- el->push_back(ListItem(parameter, source->nick, ServerInstance->Time()));
+ cd->list.push_back(ListItem(parameter, source->nick, ServerInstance->Time()));
return MODEACTION_ALLOW;
}
else
@@ -187,13 +215,13 @@ ModeAction ListModeBase::OnModeChange(User* source, User*, Channel* channel, std
else
{
// We're taking the mode off
- if (el)
+ if (cd)
{
- for (ModeList::iterator it = el->begin(); it != el->end(); it++)
+ for (ModeList::iterator it = cd->list.begin(); it != cd->list.end(); ++it)
{
if (parameter == it->mask)
{
- el->erase(it);
+ cd->list.erase(it);
return MODEACTION_ALLOW;
}
}
@@ -208,8 +236,8 @@ ModeAction ListModeBase::OnModeChange(User* source, User*, Channel* channel, std
void ListModeBase::DoSyncChannel(Channel* chan, Module* proto, void* opaque)
{
- ModeList* mlist = extItem.get(chan);
- if (!mlist)
+ ChanData* cd = extItem.get(chan);
+ if (!cd)
return;
irc::modestacker modestack(true);
@@ -217,7 +245,7 @@ void ListModeBase::DoSyncChannel(Channel* chan, Module* proto, void* opaque)
std::vector<TranslateType> types;
types.push_back(TR_TEXT);
- for (ModeList::iterator it = mlist->begin(); it != mlist->end(); it++)
+ for (ModeList::iterator it = cd->list.begin(); it != cd->list.end(); it++)
modestack.Push(mode, it->mask);
while (modestack.GetStackedLine(stackresult))
generated by cgit v1.2.3 (git 2.39.1) at 2024-10-18 20:26:46 +0000