update conan version

Author: JacksonYao287

conanfile.py

@@ -9,7 +9,7 @@
 
 class HomestoreConan(ConanFile):
     name = "homestore"
-    version = "7.1.3"
+    version = "7.2.1"
 
     homepage = "https://github.com/eBay/Homestore"
     description = "HomeStore Storage Engine"

src/include/homestore/replication/repl_dev.h

@@ -439,6 +439,10 @@ class ReplDevListener {
     /// @brief when restart, after all the logs are replayed and before joining raft group, notify the upper layer
     virtual void on_log_replay_done(const group_id_t& group_id) {};
 
+    virtual void on_become_leader(const group_id_t& group_id) {};
+
+    virtual void on_become_follower(const group_id_t& group_id) {};
+
 private:
     std::weak_ptr< ReplDev > m_repl_dev;
 };

src/lib/replication/repl_dev/raft_repl_dev.cpp

@@ -2820,6 +2820,7 @@ void RaftReplDev::become_leader_cb() {
     // becoming a leader.
 
     RD_LOGD(NO_TRACE_ID, "become_leader_cb: setting traffic_ready_lsn from {} to {}", current_gate, new_gate);
+    listener->on_become_leader(m_group_id);
 }
 
 bool RaftReplDev::is_ready_for_traffic() const {

src/lib/replication/repl_dev/raft_repl_dev.h

@@ -356,6 +356,7 @@ class RaftReplDev : public ReplDev,
     void become_follower_cb() {
         m_traffic_ready_lsn.store(0);
         RD_LOGD(NO_TRACE_ID, "become_follower_cb called!");
+        listener->on_become_follower(m_group_id);
     }
 
     /// @brief This method is called when the data journal is compacted