diff options
Diffstat (limited to 'modules')
| -rw-r--r-- | modules/extra/db_mysql_live.cpp | 323 | ||||
| -rw-r--r-- | modules/extra/m_mysql.cpp | 12 | ||||
| -rw-r--r-- | modules/socketengines/m_socketengine_poll.cpp | 2 |
3 files changed, 331 insertions, 6 deletions
diff --git a/modules/extra/db_mysql_live.cpp b/modules/extra/db_mysql_live.cpp new file mode 100644 index 000000000..a7bc1609c --- /dev/null +++ b/modules/extra/db_mysql_live.cpp @@ -0,0 +1,323 @@ +#include "module.h" +#include "sql.h" + +class CommandMutex; +static std::list<CommandMutex *> commands; +static CommandMutex *current_command = NULL; + +class CommandMutex : public Thread +{ + public: + Mutex mutex; + Command *command; + CommandSource source; + std::vector<Anope::string> params; + + CommandMutex() : Thread() + { + commands.push_back(this); + current_command = this; + } + + ~CommandMutex() + { + 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() + { + User *u = this->source.u; + BotInfo *bi = this->source.owner; + + if (!command->permission.empty() && !u->Account()->HasCommand(command->permission)) + { + u->SendMessage(bi, ACCESS_DENIED); + Log(LOG_COMMAND, "denied", bi) << "Access denied for user " << u->GetMask() << " with command " << command; + } + else + { + CommandReturn ret = command->Execute(source, params); + + if (ret == MOD_CONT) + { + FOREACH_MOD(I_OnPostCommand, OnPostCommand(source, command, params)); + } + } + + this->mutex.Unlock(); + } +}; + +class MySQLLiveModule : public Module, public Pipe +{ + service_reference<SQLProvider> SQL; + + SQLResult RunQuery(const Anope::string &query) + { + if (!this->SQL) + throw SQLException("Unable to locate SQL reference, is m_mysql loaded and configured correctly?"); + + return SQL->RunQuery(query); + } + + const Anope::string Escape(const Anope::string &query) + { + return SQL ? SQL->Escape(query) : query; + } + + public: + MySQLLiveModule(const Anope::string &modname, const Anope::string &creator) : Module(modname, creator), SQL("mysql/main") + { + Implementation i[] = { I_OnPreCommand, I_OnFindBot, I_OnFindChan, I_OnFindNick, I_OnFindCore }; + ModuleManager::Attach(i, this, 5); + } + + EventReturn OnPreCommand(CommandSource &source, Command *command, const std::vector<Anope::string> ¶ms) + { + CommandMutex *cm = new CommandMutex(); + try + { + cm->mutex.Lock(); + cm->command = command; + cm->source = source; + cm->params = params; + + commands.push_back(cm); + + // Give processing to the command thread + Log(LOG_DEBUG_2) << "db_mysql_live: Waiting for command thread " << cm->command->name << " from " << source.u->nick; + threadEngine.Start(cm); + cm->mutex.Lock(); + } + catch (const CoreException &ex) + { + delete cm; + Log() << "db_mysql_live: Unable to thread for command: " << ex.GetReason(); + + return EVENT_CONTINUE; + } + + return EVENT_STOP; + } + + void OnNotify() + { + for (std::list<CommandMutex *>::iterator it = commands.begin(), it_end = commands.end(); it != it_end; ++it) + { + CommandMutex *cm = *it; + + // Thread engine will pick this up later + if (cm->GetExitState()) + continue; + + Log(LOG_DEBUG_2) << "db_mysql_live: Waiting for command thread " << cm->command->name << " from " << cm->source.u->nick; + current_command = cm; + + // Unlock to give processing back to the command thread + cm->mutex.Unlock(); + // Relock to regain processing once the command thread hangs for any reason + cm->mutex.Lock(); + + current_command = NULL; + } + } + + + void OnFindBot(const Anope::string &nick) + { + if (!current_command) + return; + + CommandMutex *cm = current_command; + + // Give it back to the core + cm->mutex.Unlock(); + SQLResult res = this->RunQuery("SELECT * FROM `anope_bs_core` WHERE `nick` = '" + this->Escape(nick) + "'"); + // And take it back... + this->Notify(); + cm->mutex.Lock(); + + try + { + current_command = NULL; + BotInfo *bi = findbot(res.Get(0, "nick")); + if (!bi) + bi = new BotInfo(res.Get(0, "nick"), res.Get(0, "user"), res.Get(0, "host"), res.Get(0, "rname")); + else + { + bi->SetIdent(res.Get(0, "user")); + bi->host = res.Get(0, "host"); + bi->realname = res.Get(0, "rname"); + } + + if (res.Get(0, "flags").equals_cs("PRIVATE")) + bi->SetFlag(BI_PRIVATE); + bi->created = convertTo<time_t>(res.Get(0, "created")); + bi->chancount = convertTo<uint32>(res.Get(0, "chancount")); + } + catch (const SQLException &) { } + catch (const ConvertException &) { } + } + + void OnFindChan(const Anope::string &chname) + { + if (!current_command) + return; + + CommandMutex *cm = current_command; + + cm->mutex.Unlock(); + SQLResult res = this->RunQuery("SELECT * FROM `anope_cs_info` WHERE `name` = '" + this->Escape(chname) + "'"); + this->Notify(); + cm->mutex.Lock(); + + try + { + current_command = NULL; + ChannelInfo *ci = cs_findchan(res.Get(0, "name")); + if (!ci) + ci = new ChannelInfo(res.Get(0, "name")); + ci->founder = findcore(res.Get(0, "founder")); + ci->successor = findcore(res.Get(0, "successor")); + ci->desc = res.Get(0, "descr"); + ci->time_registered = convertTo<time_t>(res.Get(0, "time_registered")); + // XXX flags, we need ChannelInfo::ProcessFlags or similar? + ci->forbidby = res.Get(0, "forbidby"); + ci->forbidreason = res.Get(0, "forbidreason"); + ci->bantype = convertTo<int>(res.Get(0, "bantype")); + ci->memos.memomax = convertTo<unsigned>(res.Get(0, "memomax")); + + Anope::string mlock_on = res.Get(0, "mlock_on"), + mlock_off = res.Get(0, "mlock_off"), + mlock_params = res.Get(0, "mlock_params"), + mlock_params_off = res.Get(0, "mlock_params_off"); + + Anope::string mode; + std::vector<Anope::string> modes; + + spacesepstream sep(mlock_on); + while (sep.GetToken(mode)) + modes.push_back(mode); + ci->Extend("db_mlock_modes_on", new ExtensibleItemRegular<std::vector<Anope::string> >(modes)); + + modes.clear(); + sep = mlock_off; + while (sep.GetToken(mode)) + modes.push_back(mode); + ci->Extend("db_mlock_modes_off", new ExtensibleItemRegular<std::vector<Anope::string> >(modes)); + + modes.clear(); + sep = mlock_params; + while (sep.GetToken(mode)) + modes.push_back(mode); + ci->Extend("mlock_params", new ExtensibleItemRegular<std::vector<Anope::string> >(modes)); + + modes.clear(); + sep = mlock_params_off; + while (sep.GetToken(mode)) + modes.push_back(mode); + ci->Extend("mlock_params_off", new ExtensibleItemRegular<std::vector<Anope::string> >(modes)); + + ci->LoadMLock(); + + if (res.Get(0, "botnick").equals_cs(ci->bi ? ci->bi->nick : "") == false) + { + if (ci->bi) + ci->bi->UnAssign(NULL, ci); + BotInfo *bi = findbot(res.Get(0, "botnick")); + if (bi) + bi->Assign(NULL, ci); + } + + ci->capsmin = convertTo<int16>(res.Get(0, "capsmin")); + ci->capspercent = convertTo<int16>(res.Get(0, "capspercent")); + ci->floodlines = convertTo<int16>(res.Get(0, "floodlines")); + ci->floodsecs = convertTo<int16>(res.Get(0, "floodsecs")); + ci->repeattimes = convertTo<int16>(res.Get(0, "repeattimes")); + + if (ci->c) + check_modes(ci->c); + } + catch (const SQLException &) { } + catch (const ConvertException &) { } + } + + void OnFindNick(const Anope::string &nick) + { + if (!current_command) + return; + + CommandMutex *cm = current_command; + + cm->mutex.Unlock(); + SQLResult res = this->RunQuery("SELECT * FROM `anope_ns_alias` WHERE `nick` = '" + this->Escape(nick) + "'"); + this->Notify(); + cm->mutex.Lock(); + + try + { + // Make OnFindCore trigger and look up the core too + NickCore *nc = findcore(res.Get(0, "display")); + if (!nc) + return; + current_command = NULL; + NickAlias *na = findnick(res.Get(0, "nick")); + if (!na) + na = new NickAlias(res.Get(0, "nick"), nc); + + na->last_quit = res.Get(0, "last_quit"); + na->last_realname = res.Get(0, "last_realname"); + na->last_usermask = res.Get(0, "last_usermask"); + na->time_registered = convertTo<time_t>(res.Get(0, "time_registered")); + na->last_seen = convertTo<time_t>(res.Get(0, "last_seen")); + // XXX flags + + if (na->nc != nc) + { + std::list<NickAlias *>::iterator it = std::find(na->nc->aliases.begin(), na->nc->aliases.end(), na); + if (it != na->nc->aliases.end()) + na->nc->aliases.erase(it); + + na->nc = nc; + na->nc->aliases.push_back(na); + } + } + catch (const SQLException &) { } + catch (const ConvertException &) { } + } + + void OnFindCore(const Anope::string &nick) + { + if (!current_command) + return; + + CommandMutex *cm = current_command; + + cm->mutex.Unlock(); + SQLResult res = this->RunQuery("SELECT * FROM `anope_ns_core` WHERE `name` = '" + this->Escape(nick) + "'"); + this->Notify(); + cm->mutex.Lock(); + + try + { + current_command = NULL; + NickCore *nc = findcore(res.Get(0, "display")); + if (!nc) + nc = new NickCore(res.Get(0, "display")); + + nc->pass = res.Get(0, "pass"); + nc->email = res.Get(0, "email"); + nc->greet = res.Get(0, "greet"); + // flags + nc->language = res.Get(0, "language"); + } + catch (const SQLException &) { } + catch (const ConvertException &) { } + } +}; + +MODULE_INIT(MySQLLiveModule) diff --git a/modules/extra/m_mysql.cpp b/modules/extra/m_mysql.cpp index eba2c0382..12b4dbcc5 100644 --- a/modules/extra/m_mysql.cpp +++ b/modules/extra/m_mysql.cpp @@ -10,7 +10,7 @@ * This module spawns a single thread that is used to execute blocking MySQL queries. * When a module requests a query to be executed it is added to a list for the thread * (which never stops looping and sleeing) to pick up and execute, the result of which - * is inserted in to another queue to be picked up my the main thread. The main thread + * is inserted in to another queue to be picked up by the main thread. The main thread * uses Pipe to become notified through the socket engine when there are results waiting * to be sent back to the modules requesting the query */ @@ -309,15 +309,19 @@ void MySQLService::Run(SQLInterface *i, const Anope::string &query) SQLResult MySQLService::RunQuery(const Anope::string &query) { + this->Lock.Lock(); if (this->CheckConnection() && !mysql_real_query(this->sql, query.c_str(), query.length())) { MYSQL_RES *res = mysql_use_result(this->sql); + this->Lock.Unlock(); return MySQLResult(query, res); } else { - return MySQLResult(query, mysql_error(this->sql)); + Anope::string error = mysql_error(this->sql); + this->Lock.Unlock(); + return MySQLResult(query, error); } } @@ -370,9 +374,7 @@ void DispatcherThread::Run() QueryRequest &r = me->QueryRequests.front(); this->Unlock(); - r.service->Lock.Lock(); SQLResult sresult = r.service->RunQuery(r.query); - r.service->Lock.Unlock(); this->Lock(); if (!me->QueryRequests.empty() && me->QueryRequests.front().query == r.query) @@ -402,7 +404,7 @@ void MySQLPipe::OnNotify() const QueryResult &qr = *it; if (!qr.sqlinterface) - throw SQLException("NULL qr.interface in MySQLPipe::OnNotify() ?"); + throw SQLException("NULL qr.sqlinterface in MySQLPipe::OnNotify() ?"); if (qr.result.GetError().empty()) qr.sqlinterface->OnResult(qr.result); diff --git a/modules/socketengines/m_socketengine_poll.cpp b/modules/socketengines/m_socketengine_poll.cpp index 5b44f8674..bca06fe93 100644 --- a/modules/socketengines/m_socketengine_poll.cpp +++ b/modules/socketengines/m_socketengine_poll.cpp @@ -162,7 +162,7 @@ class SocketEnginePoll : public SocketEngineBase s->SetFlag(SF_DEAD); } - for (int i = 0; i < total; ++i) + for (int i = 0; i < SocketCount; ++i) { pollfd *ev = &this->events[i]; Socket *s = Sockets[ev->fd]; |
