use smart pointer when creating an object with an instance of the creator

source/gns3/GnsNode.cpp

@@ -9,7 +9,7 @@
 namespace gns {
 
 
-GnsNode::GnsNode(const GnsProject *project, const std::string& uuid, const std::vector<GnsPort>& ports) {
+GnsNode::GnsNode(const std::shared_ptr<const GnsProject>& project, const std::string& uuid, const std::vector<GnsPort>& ports) {
     this->project = project;
     this->uuid = uuid;
     this->ports = ports;

source/gns3/GnsNode.hpp

@@ -1,5 +1,7 @@
 #pragma once
 
+#include <memory>
+
 #include "GnsPort.hpp"
 
 #include <string>
@@ -18,7 +20,7 @@ class GnsProject;
 */
 class GnsNode {
 public:
-    GnsNode(const GnsProject* project, const std::string& uuid, const std::vector<GnsPort>& ports);
+    GnsNode(const std::shared_ptr<const GnsProject>& project, const std::string& uuid, const std::vector<GnsPort>& ports);
 
     /**
      * Get the base URL for the node API
@@ -44,7 +46,7 @@ public:
     void start() const;
 
 private:
-    const GnsProject* project;
+    std::shared_ptr<const GnsProject> project;
     std::string uuid;
     std::vector<GnsPort> ports;
 };

source/gns3/GnsProject.cpp

@@ -10,7 +10,7 @@ using json = nlohmann::json;
 namespace gns {
 
 
-GnsProject::GnsProject(const GnsServer* server, const std::string& uuid) {
+GnsProject::GnsProject(const std::shared_ptr<const GnsServer>& server, const std::string& uuid) {
     this->server = server;
     this->uuid = uuid;
 }
@@ -60,7 +60,7 @@ std::vector<std::shared_ptr<GnsNode>> GnsProject::getNodes() const {
 
         // save the node
         nodes.emplace_back(std::make_shared<GnsNode>(
-            this,
+            shared_from_this(),
             node_data["node_id"],
             ports
         ));

source/gns3/GnsProject.hpp

@@ -15,9 +15,9 @@ class GnsServer;
 /**
  * Represent a GNS3 project.
  */
-class GnsProject {
+class GnsProject : public std::enable_shared_from_this<GnsProject> {
 public:
-    GnsProject(const GnsServer* server, const std::string& uuid);
+    GnsProject(const std::shared_ptr<const GnsServer>& server, const std::string& uuid);
 
     /**
      * Get the base prefix for an API request
@@ -38,7 +38,7 @@ public:
     [[nodiscard]] std::vector<std::shared_ptr<GnsNode>> getNodes() const;
 
 private:
-    const GnsServer* server;
+    std::shared_ptr<const GnsServer> server;
     std::string uuid;
 };
 

source/gns3/GnsServer.cpp

@@ -39,7 +39,7 @@ std::vector<std::shared_ptr<GnsProject>> GnsServer::getProjects() const {
     projects.reserve(data.size());
     for (const auto& project_data : data)
         projects.emplace_back(std::make_shared<GnsProject>(
-            this,
+            shared_from_this(),
             project_data["project_id"]
         ));
 

source/gns3/GnsServer.hpp

@@ -14,7 +14,7 @@ namespace gns {
  * Represent a GNS3 server
  * Wrapper around the GNS3 API (https://gns3-server.readthedocs.io/en/latest/endpoints.html)
  */
-class GnsServer {
+class GnsServer : public std::enable_shared_from_this<GnsServer> {
 public:
     GnsServer(const std::string& host, std::uint16_t port);