mirror of
https://github.com/OpenVPN/openvpn3.git
synced 2024-09-20 20:13:05 +02:00
128 lines
2.8 KiB
C++
128 lines
2.8 KiB
C++
// OpenVPN -- An application to securely tunnel IP networks
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// over a single port, with support for SSL/TLS-based
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// session authentication and key exchange,
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// packet encryption, packet authentication, and
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// packet compression.
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//
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// Copyright (C) 2012-2015 OpenVPN Technologies, Inc.
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License Version 3
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// as published by the Free Software Foundation.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program in the COPYING file.
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// If not, see <http://www.gnu.org/licenses/>.
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#ifndef OPENVPN_COMMON_ACTION_H
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#define OPENVPN_COMMON_ACTION_H
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#include <vector>
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#include <string>
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#include <openvpn/common/exception.hpp>
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#include <openvpn/common/rc.hpp>
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#include <openvpn/common/string.hpp>
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#include <openvpn/common/destruct.hpp>
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namespace openvpn {
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struct Action : public RC<thread_unsafe_refcount>
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{
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typedef RCPtr<Action> Ptr;
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virtual void execute() = 0;
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virtual std::string to_string() const = 0;
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virtual ~Action() {}
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};
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class ActionList : public std::vector<Action::Ptr>, public DestructorBase
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{
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public:
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typedef RCPtr<ActionList> Ptr;
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ActionList(const size_t capacity=16)
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: enable_destroy_(false),
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halt_(false)
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{
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reserve(capacity);
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}
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void add(const Action::Ptr& action)
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{
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if (action)
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push_back(action);
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}
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void add(const ActionList& other)
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{
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insert(end(), other.begin(), other.end());
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}
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bool exists(const Action::Ptr& action) const
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{
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if (action)
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{
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const std::string cmp = action->to_string();
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for (const_iterator i = begin(); i != end(); ++i)
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{
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const Action& a = **i;
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if (a.to_string() == cmp)
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return true;
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}
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}
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return false;
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}
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bool execute()
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{
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for (iterator i = begin(); i != end(); ++i)
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{
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Action& a = **i;
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if (halt_)
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return false;
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try {
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a.execute();
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}
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catch (const std::exception& e)
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{
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OPENVPN_LOG("action exception: " << e.what());
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}
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}
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return true;
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}
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void enable_destroy(const bool state)
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{
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enable_destroy_ = state;
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}
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void halt()
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{
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halt_ = true;
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}
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virtual void destroy()
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{
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if (enable_destroy_)
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{
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execute();
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enable_destroy_ = false;
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}
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}
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private:
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bool enable_destroy_;
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volatile bool halt_;
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};
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}
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#endif
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