import worker code

src/worker/include/xcecd_dbus_manager.h

@@ -0,0 +1,82 @@
+/**
+ * @file xcecd_dbus_manager.h
+ * @brief This file contains the declaration of the D-Bus manager functions.
+ *        It uses to manage worker and its child process with resource limits.
+ */
+#ifndef _XCECD_DBUS_MANAGER_H_
+#define _XCECD_DBUS_MANAGER_H_
+
+#include "sqlite3.h"
+#include "xcecd_cgroups.h"
+#include "xcecd_worker_utils.h"
+#include "xcecd_utils.h"
+#include <stdbool.h>
+
+
+/**
+ * @brief Start worker with resource limits
+ * 
+ * @param limits resource limits (NULL if no limits)
+ * @param job_id job id
+ * @param extra_args extra command line arguments (NULL if none)
+ * @return true if success, false if failed
+ */
+bool dbus_start_worker(const res_limits_t* limits, 
+                       uint64_t job_id, char* extra_args);
+
+/**
+ * @brief Stop a worker service
+ * 
+ * @param unit_name worker service name (xcecd-worker-<job_id>.service)
+ * @return true if success, false if failed
+ */
+bool dbus_stop_worker(const char* unit_name);
+
+/**
+ * @brief Get PID of a worker service
+ * 
+ * @param unit_name worker service name (xcecd-worker-<job_id>.service)
+ * @return PID if success, -1 if failed
+ */
+pid_t dbus_get_worker_pid(const char* unit_name);
+
+/**
+ * @brief Check if a worker service is active
+ * 
+ * @param unit_name worker service name (xcecd-worker-<job_id>.service)
+ * @return true if active, false if not active
+ */
+bool dbus_is_worker_active(const char* unit_name);
+
+/**
+ * @brief Update worker status
+ * 
+ * @param worker_list worker list
+ * @param job job information
+ * @param db database information
+ * @return XCECD_OK if success, others in execd_error if failed
+ */
+int dbus_workers_update(xcecd_worker_t** worker_list, 
+                        xcecd_job_t* job,
+                        sqlite3* db);
+
+/**
+ * @brief Clean worker service
+ * 
+ * @param worker worker information
+ * @param job job information
+ * @return true if success, false if failed
+ */
+bool dbus_worker_clean(xcecd_worker_t* worker, 
+                       xcecd_job_t* job);
+
+/**
+ * @brief Go through worker list and stop all workers
+ * @param worker_list worker list
+ * @param db database information
+ * @return void
+ */
+void dbus_stop_all_workers(xcecd_worker_t** worker_list,
+                           sqlite3* db);
+
+#endif // _XCECD_DBUS_MANAGER_H_