Refs #20936: Revision

Signed-off-by: cferreiragonz <carlosferreira@eprosima.com>

src/cpp/rtps/builtin/discovery/participant/PDP.cpp

@@ -413,6 +413,9 @@ bool PDP::enable()
         return true;
     }
 
+    // Perform pre-enable actions (if any)
+    pre_enable_actions();
+
     // Create lease events on already created proxy data objects
     for (ParticipantProxyData* pool_item : participant_proxies_pool_)
     {
@@ -443,6 +446,11 @@ bool PDP::enable()
     return builtin_endpoints_->enable_pdp_readers(mp_RTPSParticipant);
 }
 
+void PDP::pre_enable_actions()
+{
+    // Empty implementation
+}
+
 void PDP::disable()
 {
     // Extract all the participant proxies excluding first one (ourselves)

src/cpp/rtps/builtin/discovery/participant/PDP.h

@@ -129,7 +129,12 @@ class PDP : public fastdds::statistics::rtps::IProxyQueryable
      *
      * @return true if enabled correctly, or if already enabled; false otherwise
      */
-    virtual bool enable();
+    bool enable();
+
+    /**
+     * @brief Perform actions before enabling the Participant Discovery Protocol if needed
+     */
+    virtual void pre_enable_actions();
 
     /**
      * @brief Disable the Participant Discovery Protocol

src/cpp/rtps/builtin/discovery/participant/PDPServer.cpp

@@ -152,7 +152,7 @@ bool PDPServer::init(
     return true;
 }
 
-bool PDPServer::enable()
+void PDPServer::pre_enable_actions()
 {
     std::vector<nlohmann::json> backup_queue;
     // Restore the DDB from file if this is a BACKUP server
@@ -190,8 +190,6 @@ bool PDPServer::enable()
         // This vector is empty till backup queue is implemented
         process_backup_restore_queue(backup_queue);
     }
-
-    return PDP::enable();
 }
 
 ParticipantProxyData* PDPServer::createParticipantProxyData(

src/cpp/rtps/builtin/discovery/participant/PDPServer.hpp

@@ -80,12 +80,11 @@ class PDPServer : public fastrtps::rtps::PDP
             fastrtps::rtps::RTPSParticipantImpl* part) override;
 
     /**
-     * @brief Enable the Participant Discovery Protocol and checks if a backup file
-     * needs to be restored for DiscoveryProtocol_t::BACKUP.
-     *
-     * @return true if enabled correctly, or if already enabled; false otherwise
+     * @brief Checks if a backup file needs to be restored for
+     * DiscoveryProtocol_t::BACKUP before enabling the Participant Discovery Protocol
      */
-    bool enable() override;
+    void pre_enable_actions() override;
+
     /**
      * Creates an initializes a new participant proxy from a DATA(p) raw info
      * @param p ParticipantProxyData from DATA msg deserialization