1 /* Copyright (c) 2007-2023. The SimGrid Team. All rights reserved. */
3 /* This program is free software; you can redistribute it and/or modify it
4 * under the terms of the license (GNU LGPL) which comes with this package. */
6 #ifndef SIMGRID_MC_REMOTE_EVENTLOOP_HPP
7 #define SIMGRID_MC_REMOTE_EVENTLOOP_HPP
9 #include "src/mc/mc_forward.hpp"
10 #include "src/mc/remote/Channel.hpp"
12 #include <event2/event.h>
16 namespace simgrid::mc {
18 /* CheckerSide: All what the checker needs to interact with a given application process */
21 std::unique_ptr<event_base, decltype(&event_base_free)> base_{nullptr, &event_base_free};
22 std::unique_ptr<event, decltype(&event_free)> socket_event_{nullptr, &event_free};
23 std::unique_ptr<event, decltype(&event_free)> signal_event_{nullptr, &event_free};
24 std::unique_ptr<RemoteProcessMemory> remote_memory_;
27 bool running_ = false;
30 void setup_events(); // Part of the initialization
33 explicit CheckerSide(const std::vector<char*>& args);
36 CheckerSide(CheckerSide const&) = delete;
37 CheckerSide& operator=(CheckerSide const&) = delete;
38 CheckerSide& operator=(CheckerSide&&) = delete;
40 /* Communicating with the application */
41 Channel const& get_channel() const { return channel_; }
42 Channel& get_channel() { return channel_; }
44 bool handle_message(const char* buffer, ssize_t size);
45 void dispatch_events() const;
46 void break_loop() const;
47 void wait_for_requests();
49 /* Interacting with the application process */
50 pid_t get_pid() const { return pid_; }
51 bool running() const { return running_; }
52 void terminate() { running_ = false; }
53 void handle_waitpid();
54 RemoteProcessMemory& get_remote_memory() { return *remote_memory_.get(); }
55 void clear_memory_cache();
58 } // namespace simgrid::mc