X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=src%2Fceph%2Fsrc%2Fmgr%2FStandbyPyModules.h;fp=src%2Fceph%2Fsrc%2Fmgr%2FStandbyPyModules.h;h=0000000000000000000000000000000000000000;hb=7da45d65be36d36b880cc55c5036e96c24b53f00;hp=4f011464a137231336cf39a33b664785526eb9e0;hpb=691462d09d0987b47e112d6ee8740375df3c51b2;p=stor4nfv.git diff --git a/src/ceph/src/mgr/StandbyPyModules.h b/src/ceph/src/mgr/StandbyPyModules.h deleted file mode 100644 index 4f01146..0000000 --- a/src/ceph/src/mgr/StandbyPyModules.h +++ /dev/null @@ -1,149 +0,0 @@ -// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- -// vim: ts=8 sw=2 smarttab -/* - * Ceph - scalable distributed file system - * - * Copyright (C) 2016 John Spray - * - * This is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License version 2.1, as published by the Free Software - * Foundation. See file COPYING. - */ - -#pragma once - -#include "Python.h" - -#include -#include - -#include "common/Thread.h" -#include "common/Mutex.h" - -#include "mgr/Gil.h" -#include "mon/MonClient.h" -#include "mon/MgrMap.h" -#include "mgr/PyModuleRunner.h" - -typedef std::map PyModuleConfig; - -/** - * State that is read by all modules running in standby mode - */ -class StandbyPyModuleState -{ - mutable Mutex lock{"StandbyPyModuleState::lock"}; - - MgrMap mgr_map; - PyModuleConfig config_cache; - - mutable Cond config_loaded; - -public: - - bool is_config_loaded = false; - - void set_mgr_map(const MgrMap &mgr_map_) - { - Mutex::Locker l(lock); - - mgr_map = mgr_map_; - } - - void loaded_config(const PyModuleConfig &config_) - { - Mutex::Locker l(lock); - - config_cache = config_; - is_config_loaded = true; - config_loaded.Signal(); - } - - template - void with_mgr_map(Callback&& cb, Args&&...args) const - { - Mutex::Locker l(lock); - std::forward(cb)(mgr_map, std::forward(args)...); - } - - template - auto with_config(Callback&& cb, Args&&... args) const -> - decltype(cb(config_cache, std::forward(args)...)) { - Mutex::Locker l(lock); - - if (!is_config_loaded) { - config_loaded.Wait(lock); - } - - return std::forward(cb)(config_cache, std::forward(args)...); - } -}; - - -class StandbyPyModule : public PyModuleRunner -{ - StandbyPyModuleState &state; - - public: - - StandbyPyModule( - StandbyPyModuleState &state_, - const std::string &module_name_, - PyObject *pClass_, - const SafeThreadState &pMyThreadState_) - : - PyModuleRunner(module_name_, pClass_, pMyThreadState_), - state(state_) - { - } - - bool get_config(const std::string &key, std::string *value) const; - std::string get_active_uri() const; - - int load(); -}; - -class StandbyPyModules -{ -private: - mutable Mutex lock{"StandbyPyModules::lock"}; - std::map> modules; - - MonClient *monc; - - StandbyPyModuleState state; - - void load_config(); - class LoadConfigThread : public Thread - { - protected: - MonClient *monc; - StandbyPyModuleState *state; - public: - LoadConfigThread(MonClient *monc_, StandbyPyModuleState *state_) - : monc(monc_), state(state_) - {} - void *entry() override; - }; - - LoadConfigThread load_config_thread; - -public: - - StandbyPyModules( - MonClient *monc_, - const MgrMap &mgr_map_); - - int start_one(std::string const &module_name, - PyObject *pClass, - const SafeThreadState &pMyThreadState); - - void shutdown(); - - void handle_mgr_map(const MgrMap &mgr_map) - { - state.set_mgr_map(mgr_map); - } - -};