-/* Copyright (c) 2015-2022. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2015-2023. The SimGrid Team. All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
#include "src/kernel/actor/SimcallObserver.hpp"
-#include "mc/datatypes.h"
#include "simgrid/forward.h" // aid_t
+#include "src/mc/datatypes.h"
+#include <xbt/utility.hpp>
+
#include <array>
#include <cstdint>
-#include <xbt/dynar.h>
-#include <xbt/mmalloc.h>
-#include <xbt/utility.hpp>
+#include <sys/un.h>
// ***** Messages
namespace simgrid::mc {
-XBT_DECLARE_ENUM_CLASS(MessageType, NONE, INITIAL_ADDRESSES, CONTINUE, IGNORE_HEAP, UNIGNORE_HEAP, IGNORE_MEMORY,
- STACK_REGION, REGISTER_SYMBOL, DEADLOCK_CHECK, DEADLOCK_CHECK_REPLY, WAITING, SIMCALL_EXECUTE,
- SIMCALL_EXECUTE_ANSWER, ASSERTION_FAILED, ACTOR_ENABLED, ACTOR_ENABLED_REPLY, FINALIZE);
-
+XBT_DECLARE_ENUM_CLASS(MessageType, NONE, FORK, FORK_REPLY, WAIT_CHILD, WAIT_CHILD_REPLY, CONTINUE, DEADLOCK_CHECK,
+ DEADLOCK_CHECK_REPLY, WAITING, SIMCALL_EXECUTE, SIMCALL_EXECUTE_REPLY, ASSERTION_FAILED,
+ ACTORS_STATUS, ACTORS_STATUS_REPLY_COUNT, ACTORS_STATUS_REPLY_SIMCALL,
+ ACTORS_STATUS_REPLY_TRANSITION, ACTORS_MAXPID, ACTORS_MAXPID_REPLY, FINALIZE, FINALIZE_REPLY);
} // namespace simgrid::mc
-constexpr unsigned MC_MESSAGE_LENGTH = 512;
+constexpr unsigned MC_MESSAGE_LENGTH = 512;
+constexpr unsigned MC_SOCKET_NAME_LEN = sizeof(sockaddr_un::sun_path);
constexpr unsigned SIMCALL_SERIALIZATION_BUFFER_SIZE = 2048;
/** Basic structure for a MC message
*
- * The current version of the client/server protocol sends C structures over `AF_LOCAL`
+ * The current version of the client/server protocol sends C structures over `AF_UNIX`
* `SOCK_SEQPACKET` sockets. This means that the protocol is ABI/architecture specific:
* we currently can't model-check a x86 process from a x86_64 process.
*
};
/* Client->Server */
-struct s_mc_message_initial_addresses_t {
- simgrid::mc::MessageType type;
- xbt_mheap_t mmalloc_default_mdp;
- unsigned long* maxpid;
- xbt_dynar_t actors;
-};
-
-struct s_mc_message_ignore_heap_t {
- simgrid::mc::MessageType type;
- int block;
- int fragment;
- void* address;
- size_t size;
-};
-
-struct s_mc_message_ignore_memory_t {
- simgrid::mc::MessageType type;
- uint64_t addr;
- size_t size;
-};
-struct s_mc_message_stack_region_t {
- simgrid::mc::MessageType type;
- s_stack_region_t stack_region;
-};
-
-struct s_mc_message_register_symbol_t {
+/* Server -> client */
+struct s_mc_message_fork_t {
simgrid::mc::MessageType type;
- std::array<char, 128> name;
- int (*callback)(void*);
- void* data;
+ std::array<char, MC_SOCKET_NAME_LEN> socket_name;
};
-/* Server -> client */
struct s_mc_message_simcall_execute_t {
simgrid::mc::MessageType type;
aid_t aid_;
int index;
};
-struct s_mc_message_actor_enabled_t {
+struct s_mc_message_actors_status_answer_t {
simgrid::mc::MessageType type;
- aid_t aid; // actor ID
+ int count;
+};
+struct s_mc_message_actors_status_one_t { // an array of `s_mc_message_actors_status_one_t[count]` is sent right after
+ // after a `s_mc_message_actors_status_answer_t`
+ simgrid::mc::MessageType type;
+ aid_t aid;
+ bool enabled;
+ int max_considered;
+};
+
+// Answer from an actor to the question "what are you about to run?"
+struct s_mc_message_simcall_probe_one_t { // a series of `s_mc_message_simcall_probe_one_t`
+ // is sent right after `s_mc_message_actors_status_one_t[]`
+ simgrid::mc::MessageType type;
+ std::array<char, SIMCALL_SERIALIZATION_BUFFER_SIZE> buffer;
};
#endif // __cplusplus