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;
31 explicit CheckerSide(int sockfd, pid_t pid);
34 CheckerSide(CheckerSide const&) = delete;
35 CheckerSide& operator=(CheckerSide const&) = delete;
36 CheckerSide& operator=(CheckerSide&&) = delete;
38 /* Communicating with the application */
39 Channel const& get_channel() const { return channel_; }
40 Channel& get_channel() { return channel_; }
42 bool handle_message(const char* buffer, ssize_t size);
43 void dispatch_events() const;
44 void break_loop() const;
46 /* Interacting with the application process */
47 pid_t get_pid() const { return pid_; }
48 bool running() const { return running_; }
49 void terminate() { running_ = false; }
50 void handle_waitpid();
51 RemoteProcessMemory& get_remote_memory() { return *remote_memory_.get(); }
52 void clear_memory_cache();
55 } // namespace simgrid::mc