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-rw-r--r--data/example.conf3
-rw-r--r--data/modules.example.conf19
-rw-r--r--modules/database/db_mysql_live.cpp80
-rw-r--r--modules/extra/async_commands.h30
-rw-r--r--modules/extra/m_async_commands.cpp233
5 files changed, 10 insertions, 355 deletions
diff --git a/data/example.conf b/data/example.conf
index 62ce6b127..d4507d055 100644
--- a/data/example.conf
+++ b/data/example.conf
@@ -984,9 +984,6 @@ db_plain
* This effectively allows you to edit your database and have it be immediately
* reflected back in Anope.
*
- * For information on how to make db_mysql_live use asynchronous queries see
- * m_async_commands.
- *
* At this time db_mysql_live only supports pulling data in real time from the three
* main tables: anope_cs_info, anope_ns_alias, and anope_ns_core.
*/
diff --git a/data/modules.example.conf b/data/modules.example.conf
index 8ee15877e..955ab16bb 100644
--- a/data/modules.example.conf
+++ b/data/modules.example.conf
@@ -17,21 +17,7 @@
module { name = "help" }
/*
- * m_async_commands
- *
- * Threads for each command executed by users. You should
- * only load this if you are using a module designed to work with this.
- *
- * If this is loaded with db_mysql_live then Anope will support
- * processing multiple commands at once which will negate the "lag"
- * issues caused from the overhead of SQL queries by db_mysql_live.
- *
- * Note that this module is currently EXPERIMENTAL and you should report
- * any bugs you find.
- */
-#module { name = "m_async_commands" }
-
-/* m_dnsbl
+ * m_dnsbl
*
* Allows configurable DNS blacklists to check connecting users against. If a user
* is found on the blacklist they will be immediately banned. This is a crucial module
@@ -94,7 +80,8 @@ blacklist
reason = "You have a host listed in the DroneBL. For more information, visit http://dronebl.org/lookup_branded.do?ip=%i&network=%N"
}
-/* m_helpchan
+/*
+ * m_helpchan
*
* Gives users who are op in the specified help channel usermode +h (helpop).
*/
diff --git a/modules/database/db_mysql_live.cpp b/modules/database/db_mysql_live.cpp
index 07b9b037c..d320b5001 100644
--- a/modules/database/db_mysql_live.cpp
+++ b/modules/database/db_mysql_live.cpp
@@ -1,5 +1,4 @@
#include "module.h"
-#include "../extra/async_commands.h"
#include "../extra/sql.h"
class SQLCache : public Timer
@@ -136,7 +135,6 @@ static void NickCoreUpdate(const SQLResult &res)
class MySQLLiveModule : public Module
{
service_reference<SQLProvider> SQL;
- service_reference<AsynchCommandsService> ACS;
SQLCache chan_cache, nick_cache, core_cache;
@@ -151,16 +149,9 @@ class MySQLLiveModule : public Module
return res;
}
- CommandMutex *CurrentCommand()
- {
- if (this->ACS)
- return this->ACS->CurrentCommand();
- return NULL;
- }
-
public:
MySQLLiveModule(const Anope::string &modname, const Anope::string &creator) :
- Module(modname, creator, DATABASE), SQL("mysql/main"), ACS("asynch_commands")
+ Module(modname, creator, DATABASE), SQL("mysql/main")
{
Implementation i[] = { I_OnFindChan, I_OnFindNick, I_OnFindCore, I_OnShutdown };
ModuleManager::Attach(i, this, sizeof(i) / sizeof(Implementation));
@@ -182,27 +173,8 @@ class MySQLLiveModule : public Module
{
SQLQuery query("SELECT * FROM `anope_cs_info` WHERE `name` = @name");
query.setValue("name", chname);
- CommandMutex *current_command = this->CurrentCommand();
- if (current_command)
- {
- current_command->Unlock();
- try
- {
- SQLResult res = this->RunQuery(query);
- current_command->Lock();
- ChanInfoUpdate(res);
- }
- catch (const SQLException &)
- {
- current_command->Lock();
- throw;
- }
- }
- else
- {
- SQLResult res = this->RunQuery(query);
- ChanInfoUpdate(res);
- }
+ SQLResult res = this->RunQuery(query);
+ ChanInfoUpdate(res);
}
catch (const SQLException &ex)
{
@@ -219,27 +191,8 @@ class MySQLLiveModule : public Module
{
SQLQuery query("SELECT * FROM `anope_ns_alias` WHERE `nick` = @nick");
query.setValue("nick", nick);
- CommandMutex *current_command = this->CurrentCommand();
- if (current_command)
- {
- current_command->Unlock();
- try
- {
- SQLResult res = this->RunQuery(query);
- current_command->Lock();
- NickInfoUpdate(res);
- }
- catch (const SQLException &)
- {
- current_command->Lock();
- throw;
- }
- }
- else
- {
- SQLResult res = this->RunQuery(query);
- NickInfoUpdate(res);
- }
+ SQLResult res = this->RunQuery(query);
+ NickInfoUpdate(res);
}
catch (const SQLException &ex)
{
@@ -256,27 +209,8 @@ class MySQLLiveModule : public Module
{
SQLQuery query("SELECT * FROM `anope_ns_core` WHERE `display` = @display");
query.setValue("display", nick);
- CommandMutex *current_command = this->CurrentCommand();
- if (current_command)
- {
- current_command->Unlock();
- try
- {
- SQLResult res = this->RunQuery(query);
- current_command->Lock();
- NickCoreUpdate(res);
- }
- catch (const SQLException &)
- {
- current_command->Lock();
- throw;
- }
- }
- else
- {
- SQLResult res = this->RunQuery(query);
- NickCoreUpdate(res);
- }
+ SQLResult res = this->RunQuery(query);
+ NickCoreUpdate(res);
}
catch (const SQLException &ex)
{
diff --git a/modules/extra/async_commands.h b/modules/extra/async_commands.h
deleted file mode 100644
index a2f650bae..000000000
--- a/modules/extra/async_commands.h
+++ /dev/null
@@ -1,30 +0,0 @@
-
-class CommandMutex : public Thread
-{
- public:
- // Mutex used by this command to allow the core to drop and pick up processing of it at will
- Mutex mutex;
- // Set to true when this thread is processing data that is not thread safe (eg, the command)
- bool processing;
- CommandSource source;
- Command *command;
- std::vector<Anope::string> params;
-
- CommandMutex(CommandSource &s, Command *c, const std::vector<Anope::string> &p) : Thread(), processing(true), source(s), command(c), params(p) { }
-
- ~CommandMutex() { }
-
- virtual void Run() = 0;
-
- virtual void Lock() = 0;
-
- virtual void Unlock() = 0;
-};
-
-class AsynchCommandsService : public Service
-{
- public:
- AsynchCommandsService(Module *o, const Anope::string &n) : Service(o, n) { }
- virtual CommandMutex *CurrentCommand() = 0;
-};
-
diff --git a/modules/extra/m_async_commands.cpp b/modules/extra/m_async_commands.cpp
deleted file mode 100644
index 814c86c92..000000000
--- a/modules/extra/m_async_commands.cpp
+++ /dev/null
@@ -1,233 +0,0 @@
-#include "module.h"
-#include "async_commands.h"
-
-static bool ignore_pre_command = false;
-static Pipe *me;
-static CommandMutex *current_command = NULL;
-static std::list<CommandMutex *> commands;
-/* Mutex held by the core when it is processing. Used by threads to halt the core */
-static Mutex main_mutex;
-
-class AsynchCommandMutex : public CommandMutex
-{
- public:
- bool destroy;
- bool started;
-
- AsynchCommandMutex(CommandSource &s, Command *c, const std::vector<Anope::string> &p) : CommandMutex(s, c, p), destroy(false), started(false)
- {
- commands.push_back(this);
-
- this->mutex.Lock();
- }
-
- ~AsynchCommandMutex()
- {
- std::list<CommandMutex *>::iterator it = std::find(commands.begin(), commands.end(), this);
- if (it != commands.end())
- commands.erase(it);
- if (this == current_command)
- current_command = NULL;
- }
-
- void Run()
- {
- this->started = true;
-
- User *u = this->source.u;
- BotInfo *bi = this->source.owner;
-
- ignore_pre_command = true;
- EventReturn MOD_RESULT;
- FOREACH_RESULT(I_OnPreCommand, OnPreCommand(source, command, params));
- if (MOD_RESULT == EVENT_STOP)
- {
- source.DoReply();
- return;
- }
-
- if (!this->source.permission.empty() && !u->HasCommand(this->source.permission))
- {
- u->SendMessage(bi, ACCESS_DENIED);
- Log(LOG_COMMAND, "denied", bi) << "Access denied for user " << u->GetMask() << " with command " << command;
- }
- else
- {
- command->Execute(source, params);
- FOREACH_MOD(I_OnPostCommand, OnPostCommand(source, command, params));
- source.DoReply();
- }
-
- main_mutex.Unlock();
- }
-
- void Lock()
- {
- if (this->destroy)
- this->Exit();
-
- this->processing = true;
- me->Notify();
- this->mutex.Lock();
-
- if (this->destroy)
- {
- this->Unlock();
- this->Exit();
- }
- }
-
- void Unlock()
- {
- this->processing = false;
- main_mutex.Unlock();
- }
-
- void Destroy()
- {
- this->destroy = true;
- }
-};
-
-
-class ModuleAsynchCommands : public Module, public Pipe, public AsynchCommandsService
-{
- bool reset;
-
- void Reset()
- {
- this->reset = false;
-
- unsigned count = 0, size = commands.size();
- for (std::list<CommandMutex *>::iterator it = commands.begin(); count < size; ++count, ++it)
- {
- AsynchCommandMutex *cm = debug_cast<AsynchCommandMutex *>(*it);
- cm->Destroy();
-
- new AsynchCommandMutex(cm->source, cm->command, cm->params);
- }
- }
-
- public:
- ModuleAsynchCommands(const Anope::string &modname, const Anope::string &creator) : Module(modname, creator, SUPPORTED), Pipe(), AsynchCommandsService(this, "asynch_commands"), reset(false)
- {
- me = this;
-
- this->SetPermanent(true);
-
- main_mutex.Lock();
-
- Implementation i[] = { I_OnDeleteObject, I_OnPreCommand };
- ModuleManager::Attach(i, this, sizeof(i) / sizeof(Implementation));
-
- ModuleManager::SetPriority(this, PRIORITY_FIRST);
-
- ModuleManager::RegisterService(this);
- }
-
- void OnDeleteObject(Base *b)
- {
- for (std::list<CommandMutex *>::iterator it = commands.begin(), it_end = commands.end(); it != it_end; ++it)
- {
- AsynchCommandMutex *cm = debug_cast<AsynchCommandMutex *>(*it);
-
- if (cm->started && (cm->command == b || cm->source.u == b || cm->source.owner == b || cm->source.service == b))
- cm->Destroy();
- }
-
- this->reset = true;
- }
-
- EventReturn OnPreCommand(CommandSource &source, Command *command, std::vector<Anope::string> &params)
- {
- if (ignore_pre_command)
- {
- ignore_pre_command = false;
- return EVENT_CONTINUE;
- }
- else if (current_command)
- return EVENT_CONTINUE;
- else if (command->name == "RESTART")
- return EVENT_CONTINUE;
-
- CommandSource source_copy = source;
- AsynchCommandMutex *cm = new AsynchCommandMutex(source_copy, command, params);
-
- try
- {
- // Give processing to the command thread
- Log(LOG_DEBUG_2) << "Waiting for command thread " << cm->command->name << " from " << source_copy.u->nick;
- current_command = cm;
- threadEngine.Start(cm);
- main_mutex.Lock();
- current_command = NULL;
-
- return EVENT_STOP;
- }
- catch (const CoreException &ex)
- {
- delete cm;
- Log() << "Unable to thread for command: " << ex.GetReason();
- }
-
- return EVENT_CONTINUE;
- }
-
- void OnNotify()
- {
- for (std::list<CommandMutex *>::iterator it = commands.begin(), it_end = commands.end(); it != it_end;)
- {
- AsynchCommandMutex *cm = debug_cast<AsynchCommandMutex *>(*it++);
-
- // Thread engine will pick this up later
- if (cm->GetExitState() || !cm->processing)
- continue;
- else if (cm->destroy)
- {
- if (cm->started)
- {
- cm->mutex.Unlock();
- continue;
- }
- else
- delete cm;
- }
-
- if (this->reset)
- {
- this->Reset();
- return this->OnNotify();
- }
-
- Log(LOG_DEBUG_2) << "Waiting for command thread " << cm->command->name << " from " << cm->source.u->nick;
- current_command = cm;
-
- // Unlock to give processing back to the command thread
- if (!cm->started)
- {
- try
- {
- threadEngine.Start(cm);
- }
- catch (const CoreException &)
- {
- delete cm;
- continue;
- }
- }
- else
- cm->mutex.Unlock();
- // Relock to regain processing once the command thread hangs for any reason
- main_mutex.Lock();
-
- current_command = NULL;
- }
- }
-
- CommandMutex *CurrentCommand()
- {
- return current_command;
- }
-};
-
-MODULE_INIT(ModuleAsynchCommands)
generated by cgit (git 2.34.1) at 2025-06-18 19:55:52 +0000