streamline program stop call and implement temp file deletion when ref counter is 0

include/actsim_agent/task_interface.hpp

@@ -31,14 +31,14 @@
 #include <atomic>
 #include <condition_variable>
 #include <mutex>
-#include <cluster/artifact.hpp>
+#include "agent_artifact.hpp"
 
 /** 
  * If you want to use this interface for different types, you only need to change it here. 
  * This can be any type, as long as it publicly derives form pl::Artifact.
  */
-using InputType = pl::SimConfigArtifact;
-using OutputType = pl::SimOutputArtifact;
+using InputType = DBSimConfigArtifact;
+using OutputType = DBSimOutputArtifact;
 
 class TaskInterface {
 
@@ -54,7 +54,6 @@ class TaskInterface {
     void wait_for_download_halt();
     
     void notify_cleanup_ready();
-    void notify_download_program_halt();
     void notify_workers_program_halt();
     void notify_download_halt();
 
@@ -71,7 +70,7 @@ class TaskInterface {
 
     bool running() { return this->running_.load(std::memory_order_relaxed); };
     bool is_stop_immediate() { return this->immediate_stop.load(std::memory_order_relaxed); };
-    void stop() { this->running_.store(false, std::memory_order_relaxed); };
+    void stop();
     void stop_immediately() { this->immediate_stop.store(true, std::memory_order_relaxed); };
 
     bool fresh_queue_empty();

src/actsim_agent/actsim_agent.cpp

@@ -133,7 +133,6 @@ void sigint_handler(int signal) {
         interface.stop_immediately();
     } else {
         interface.stop();
-        interface.notify_download_program_halt();
 
         std::cout << "Finishing all running simulations, then closing the agent." << std::endl;
         std::cout << "To stop immediately instead, press Ctrl+C again." << std::endl;

src/actsim_agent/task_interface.cpp

@@ -23,6 +23,7 @@
  **************************************************************************
  */
 
+#include <cstdio>
 #include "task_interface.hpp"
 
 TaskInterface::TaskInterface(size_t buffer_size) {
@@ -165,6 +166,10 @@ void TaskInterface::decrement_design(const db::uuid_t& id) {
     // if the reference counter hit 0, erase the design entry from the list
     // of available designs
     if (design_entry.first == 0) {
+        DEBUG_PRINT("Reference counter has hit 0. Deleting temp file from disk...");
+
+        std::remove(design_entry.second.c_str());
+
         DEBUG_PRINT("Erasing design from store.");
         this->designs.erase(id);
     }
@@ -221,9 +226,10 @@ void TaskInterface::wait_for_download_halt() {
     this->download_halt_condition.wait(lock, [&] { return !this->running(); });
 }
 
-void TaskInterface::notify_download_program_halt() {
+void TaskInterface::stop() {
+    this->running_.store(false, std::memory_order_relaxed); 
     this->fresh_queue_full_condition.notify_all();
-}
+};
 
 void TaskInterface::notify_workers_program_halt() {
     this->finished_queue_empty_condition.notify_all();