1 /* mc::remote::AppSide: the Application-side of the channel */
3 /* Copyright (c) 2015-2023. The SimGrid Team. All rights reserved. */
5 /* This program is free software; you can redistribute it and/or modify it
6 * under the terms of the license (GNU LGPL) which comes with this package. */
8 #ifndef SIMGRID_MC_CLIENT_H
9 #define SIMGRID_MC_CLIENT_H
11 #include "src/mc/remote/Channel.hpp"
15 namespace simgrid::mc {
17 /** Model-checked-side of the communication protocol
19 * Send messages to the model-checker and handles message from it.
21 class XBT_PUBLIC AppSide {
24 static std::unique_ptr<AppSide> instance_;
25 bool need_memory_info_ = false; /* by default we don't send memory info, unless we got a NEED_MEMINFO */
26 std::unordered_map<int, int> child_statuses_;
30 explicit AppSide(int fd) : channel_(fd) {}
31 void handle_messages();
34 void handle_deadlock_check(const s_mc_message_t* msg) const;
35 void handle_simcall_execute(const s_mc_message_simcall_execute_t* message) const;
36 void handle_finalize(const s_mc_message_int_t* msg) const;
37 void handle_fork(const s_mc_message_fork_t* msg);
38 void handle_wait_child(const s_mc_message_int_t* msg);
39 void handle_need_meminfo();
40 void handle_actors_status() const;
41 void handle_actors_maxpid() const;
44 Channel const& get_channel() const { return channel_; }
45 Channel& get_channel() { return channel_; }
46 XBT_ATTRIB_NORETURN void main_loop();
47 void report_assertion_failure();
48 void ignore_memory(void* addr, std::size_t size) const;
49 void ignore_heap(void* addr, std::size_t size) const;
50 void unignore_heap(void* addr, std::size_t size) const;
51 void declare_symbol(const char* name, int* value) const;
53 void declare_stack(void* stack, size_t size, ucontext_t* context) const;
56 // TODO, remove the singleton antipattern.
57 static AppSide* get();
59 } // namespace simgrid::mc