-/* Copyright (c) 2016-2020. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2016-2021. 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. */
extern int timeout;
/* Types of tasks exchanged between nodes. */
-enum e_message_type_t {
+enum class MessageType {
FIND_SUCCESSOR,
FIND_SUCCESSOR_ANSWER,
GET_PREDECESSOR,
class ChordMessage {
public:
- e_message_type_t type; // type of message
+ MessageType type; // type of message
std::string issuer_host_name = simgrid::s4u::this_actor::get_host()->get_name(); // used for logging
int request_id = -1; // id (used by some types of messages)
int request_finger = 1; // finger parameter (used by some types of messages)
int answer_id = -1; // answer (used by some types of messages)
simgrid::s4u::Mailbox* answer_to = nullptr; // mailbox to send an answer to (if any)
- explicit ChordMessage(e_message_type_t type) : type(type) {}
+ explicit ChordMessage(MessageType type) : type(type) {}
static void destroy(void* message);
};
bool joined = false;
int id_; // my id
int pred_id_ = -1; // predecessor id
+ simgrid::xbt::random::XbtRandom random; // random number generator for this node
simgrid::s4u::Mailbox* mailbox_; // my mailbox
std::vector<int> fingers_; // finger table,(fingers[0] is my successor)
int next_finger_to_fix; // index of the next finger to fix in fix_fingers()
int remoteFindSuccessor(int ask_to, int id);
void notify(int predecessor_candidate_id);
- void remoteNotify(int notify_id, int predecessor_candidate_id);
+ void remoteNotify(int notify_id, int predecessor_candidate_id) const;
void stabilize();
void handleMessage(ChordMessage* message);