add the definition of VM state to the surf layer

[simgrid.git] / include / msg / datatypes.h

diff --git a/include/msg/datatypes.h b/include/msg/datatypes.h
index cedd660..8fca546 100644 (file)
--- a/include/msg/datatypes.h
+++ b/include/msg/datatypes.h
@@ -7,6 +7,7 @@
 #define MSG_DATATYPE_H
 #include "xbt/misc.h"
 #include "xbt/file_stat.h"
+#include "xbt/lib.h"
 #include "simgrid/simix.h"
 #include "simgrid_config.h"     // for HAVE_TRACING
 
@@ -29,13 +30,7 @@ typedef struct s_smx_rvpoint *msg_mailbox_t;
 
 /* ******************************** Host ************************************ */
 
-typedef struct msg_host {
-  xbt_swag_t vms;
-  smx_host_t smx_host;          /**< SIMIX representation of this host   */
-#ifdef MSG_USE_DEPRECATED
-  msg_mailbox_t *mailboxes;     /**< the channels  */
-#endif
-} s_msg_host_t;
+extern int MSG_HOST_LEVEL;
 
 /** @brief Host datatype.
     @ingroup m_host_management
@@ -47,7 +42,20 @@ typedef struct msg_host {
     some <em>private data</em> that can be only accessed by local
     process.
  */
-typedef struct msg_host *msg_host_t;
+typedef xbt_dictelm_t msg_host_t;
+typedef s_xbt_dictelm_t s_msg_host_t;
+
+typedef struct msg_host_priv {
+#ifdef MSG_USE_DEPRECATED
+  msg_mailbox_t *mailboxes;     /**< the channels  */
+#endif
+} s_msg_host_priv_t, *msg_host_priv_t;
+
+static inline msg_host_priv_t MSG_host_priv(msg_host_t host){
+  return xbt_lib_get_level(host, MSG_HOST_LEVEL);
+}
+
+
 
 /* ******************************** Task ************************************ */
 
@@ -72,22 +80,32 @@ typedef struct msg_task {
  */
 typedef struct msg_task *msg_task_t;
 
-/* ********************************  VM ************************************* */
-typedef struct msg_vm *msg_vm_t;
+/* ******************************** VM ************************************* */
+typedef msg_host_t msg_vm_t;
+typedef msg_host_priv_t msg_vm_priv_t;
 
+/* must be synchronized with e_surf_vm_state_t */
 typedef enum {
-  msg_vm_state_suspended, msg_vm_state_running, msg_vm_state_migrating
+  /* created, but not yet started */
+  msg_vm_state_created,
+
+  msg_vm_state_running,
+  msg_vm_state_migrating,
+
+  /* Suspend/resume does not involve disk I/O, so we assume there is no transition states. */
+  msg_vm_state_suspended,
+
+  /* Save/restore involves disk I/O, so there should be transition states. */
+  msg_vm_state_saving,
+  msg_vm_state_saved,
+  msg_vm_state_restoring,
+
 } e_msg_vm_state_t;
 
-typedef struct msg_vm {
-  const char *name;
-  s_xbt_swag_hookup_t all_vms_hookup;
-  s_xbt_swag_hookup_t host_vms_hookup;
-  xbt_dynar_t processes;
-  e_msg_vm_state_t state;
-  msg_host_t location;
-  int coreAmount;
-} s_msg_vm_t;
+static inline msg_vm_priv_t MSG_vm_priv(msg_vm_t vm){
+  return xbt_lib_get_level(vm, MSG_HOST_LEVEL);
+}
+
 
 /* ******************************** File ************************************ */
 typedef struct simdata_file *simdata_file_t;