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src/scheduler/include/plugin.h

@@ -0,0 +1,56 @@
+#if !defined(_PLUGIN_H_)
+
+#define _PLUGIN_H_ 1
+
+#include <stdint.h>
+#include <stdlib.h>
+
+#include "sched/types.h"
+
+typedef void* plugin_data_t;
+
+/* hooker of plugin, the first parameter should be xce_sched_plugin_t */
+typedef int (*plugin_update_config_hook_t)(void*, xce_conf4sched_t*);
+typedef int (*plugin_update_queue_hook_t)(void*, xce_sched_queue_t*);
+typedef int (*plugin_update_job_hook_t)(void*, xce_sched_job_t*);
+typedef int (*plugin_update_worker_hook_t)(void*, xce_sched_worker_t*);
+
+/* initialize function of plugin */
+typedef int (*plugin_init_fn_t)(void*);
+
+typedef void (*plugin_fini_fn_t)(void*);
+
+/* plugin function to elect job to be scheduler */
+typedef int64_t (*plugin_job_election_fn_t)(void*);
+
+/* allocation function of job */
+typedef xce_job_alloc_t* (*plugin_job_allocate_fn_t)(void*, int64_t*);
+
+typedef struct {
+    plugin_update_config_hook_t config_hook;
+    plugin_update_queue_hook_t  queue_hook;
+    plugin_update_job_hook_t    job_hook;
+    plugin_update_worker_hook_t worker_hook;
+} plugin_hooks_t;
+
+typedef struct {
+    char*                    name;
+    void*                    sched;
+    plugin_init_fn_t         init_fn;
+    plugin_fini_fn_t         fini_fn;
+    plugin_job_election_fn_t job_elect_fn;
+    plugin_job_allocate_fn_t job_alloc_fn;
+    plugin_hooks_t           hooks;
+    plugin_data_t            data;
+} xce_sched_plugin_t;
+
+extern int  plugin_register(void*, void*);
+extern void plugin_unregister(void*);
+extern int  plugin_config_update(void*, xce_conf4sched_t*);
+extern int  plugin_queue_update(void*, xce_sched_queue_t*);
+extern int  plugin_job_update(void*, xce_sched_job_t*);
+extern int  plugin_worker_update(void*, xce_sched_worker_t*);
+
+extern int register_fcfs(void*);
+
+#endif