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[simgrid.git] / src / simix / smx_io.c
index a5a5c65..438d87d 100644 (file)
@@ -1,10 +1,11 @@
-/* Copyright (c) 2007, 2008, 2009, 2010. The SimGrid Team.
+/* Copyright (c) 2007-2010, 2012-2013. The SimGrid Team.
  * All rights reserved.                                                     */
 
 /* This program is free software; you can redistribute it and/or modify it
  * under the terms of the license (GNU LGPL) which comes with this package. */
 
 #include "smx_private.h"
+#include "surf/storage_private.h"
 #include "xbt/sysdep.h"
 #include "xbt/log.h"
 #include "xbt/dict.h"
 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simix_io, simix,
                                 "Logging specific to SIMIX (io)");
 
-void SIMIX_pre_file_read(smx_req_t req)
+
+/**
+ * \brief Internal function to create a SIMIX storage.
+ * \param name name of the storage to create
+ * \param storage the SURF storage to encapsulate
+ * \param data some user data (may be NULL)
+ */
+smx_storage_t SIMIX_storage_create(const char *name, void *storage, void *data)
+{
+  smx_storage_priv_t smx_storage = xbt_new0(s_smx_storage_priv_t, 1);
+
+  smx_storage->data = data;
+
+  /* Update global variables */
+  xbt_lib_set(storage_lib,name,SIMIX_STORAGE_LEVEL,smx_storage);
+
+  return xbt_lib_get_or_null(storage_lib, name, SIMIX_STORAGE_LEVEL);
+}
+
+
+void* SIMIX_pre_file_get_data(smx_simcall_t simcall,smx_file_t fd){
+  return SIMIX_file_get_data(fd);
+}
+
+void* SIMIX_file_get_data(smx_file_t fd){
+  xbt_assert((fd != NULL), "Invalid parameters (simix file is NULL)");
+
+  return fd->data;
+}
+
+void SIMIX_pre_file_set_data(smx_simcall_t simcall, smx_file_t fd, void *data) {
+  SIMIX_file_set_data(fd, data);
+}
+
+void SIMIX_file_set_data(smx_file_t fd, void *data){
+  xbt_assert((fd != NULL), "Invalid parameter");
+
+  fd->data = data;
+}
+
+//SIMIX FILE READ
+void SIMIX_pre_file_read(smx_simcall_t simcall, smx_file_t fd, sg_storage_size_t size)
+{
+  smx_action_t action = SIMIX_file_read(simcall->issuer, fd, size);
+  xbt_fifo_push(action->simcalls, simcall);
+  simcall->issuer->waiting_action = action;
+}
+
+smx_action_t SIMIX_file_read(smx_process_t process, smx_file_t fd, sg_storage_size_t size)
+{
+  smx_action_t action;
+  smx_host_t host = process->smx_host;
+
+  /* check if the host is active */
+  if (surf_workstation_model->extension.
+      workstation.get_state(host) != SURF_RESOURCE_ON) {
+    THROWF(host_error, 0, "Host %s failed, you cannot call this function",
+           sg_host_name(host));
+  }
+
+  action = xbt_mallocator_get(simix_global->action_mallocator);
+  action->type = SIMIX_ACTION_IO;
+  action->name = NULL;
+#ifdef HAVE_TRACING
+  action->category = NULL;
+#endif
+
+  action->io.host = host;
+  action->io.surf_io =
+      surf_workstation_model->extension.workstation.read(host, fd->surf_file, size);
+
+  surf_workstation_model->action_data_set(action->io.surf_io, action);
+  XBT_DEBUG("Create io action %p", action);
+
+  return action;
+}
+
+//SIMIX FILE WRITE
+void SIMIX_pre_file_write(smx_simcall_t simcall, smx_file_t fd, sg_storage_size_t size)
+{
+  smx_action_t action = SIMIX_file_write(simcall->issuer, fd,  size);
+  xbt_fifo_push(action->simcalls, simcall);
+  simcall->issuer->waiting_action = action;
+}
+
+smx_action_t SIMIX_file_write(smx_process_t process, smx_file_t fd, sg_storage_size_t size)
+{
+  smx_action_t action;
+  smx_host_t host = process->smx_host;
+
+  /* check if the host is active */
+  if (surf_workstation_model->extension.
+      workstation.get_state(host) != SURF_RESOURCE_ON) {
+    THROWF(host_error, 0, "Host %s failed, you cannot call this function",
+           sg_host_name(host));
+  }
+
+  action = xbt_mallocator_get(simix_global->action_mallocator);
+  action->type = SIMIX_ACTION_IO;
+  action->name = NULL;
+#ifdef HAVE_TRACING
+  action->category = NULL;
+#endif
+
+  action->io.host = host;
+  action->io.surf_io =
+      surf_workstation_model->extension.workstation.write(host, fd->surf_file, size);
+
+  surf_workstation_model->action_data_set(action->io.surf_io, action);
+  XBT_DEBUG("Create io action %p", action);
+
+  return action;
+}
+
+//SIMIX FILE OPEN
+void SIMIX_pre_file_open(smx_simcall_t simcall, const char* mount,
+                         const char* path)
 {
-  smx_action_t action = SIMIX_file_read(req->issuer, req->file_read.name);
-  xbt_fifo_push(action->request_list, req);
-  req->issuer->waiting_action = action;
+  smx_action_t action = SIMIX_file_open(simcall->issuer, mount, path);
+  xbt_fifo_push(action->simcalls, simcall);
+  simcall->issuer->waiting_action = action;
 }
 
-smx_action_t SIMIX_file_read(smx_process_t process, char* name)
+smx_action_t SIMIX_file_open(smx_process_t process ,const char* mount,
+                             const char* path)
 {
   smx_action_t action;
   smx_host_t host = process->smx_host;
 
   /* check if the host is active */
   if (surf_workstation_model->extension.
-      workstation.get_state(host->host) != SURF_RESOURCE_ON) {
+      workstation.get_state(host) != SURF_RESOURCE_ON) {
     THROWF(host_error, 0, "Host %s failed, you cannot call this function",
-           host->name);
+           sg_host_name(host));
   }
 
   action = xbt_mallocator_get(simix_global->action_mallocator);
@@ -40,9 +158,8 @@ smx_action_t SIMIX_file_read(smx_process_t process, char* name)
 #endif
 
   action->io.host = host;
-  //  TODO in surf model disk???
-  //  action->io.surf_io = surf_workstation_model->extension.disk.read(host->host, name),
-  action->io.surf_io = surf_workstation_model->extension.workstation.sleep(host->host, 1.0);
+  action->io.surf_io =
+      surf_workstation_model->extension.workstation.open(host, mount, path);
 
   surf_workstation_model->action_data_set(action->io.surf_io, action);
   XBT_DEBUG("Create io action %p", action);
@@ -50,8 +167,237 @@ smx_action_t SIMIX_file_read(smx_process_t process, char* name)
   return action;
 }
 
+//SIMIX FILE CLOSE
+void SIMIX_pre_file_close(smx_simcall_t simcall, smx_file_t fd)
+{
+  smx_action_t action = SIMIX_file_close(simcall->issuer, fd);
+  xbt_fifo_push(action->simcalls, simcall);
+  simcall->issuer->waiting_action = action;
+}
+
+smx_action_t SIMIX_file_close(smx_process_t process, smx_file_t fd)
+{
+  smx_action_t action;
+  smx_host_t host = process->smx_host;
+
+  /* check if the host is active */
+  if (surf_workstation_model->extension.
+      workstation.get_state(host) != SURF_RESOURCE_ON) {
+    THROWF(host_error, 0, "Host %s failed, you cannot call this function",
+           sg_host_name(host));
+  }
+
+  action = xbt_mallocator_get(simix_global->action_mallocator);
+  action->type = SIMIX_ACTION_IO;
+  action->name = NULL;
+#ifdef HAVE_TRACING
+  action->category = NULL;
+#endif
+
+  action->io.host = host;
+  action->io.surf_io = surf_workstation_model->extension.workstation.close(host, fd->surf_file);
+
+  surf_workstation_model->action_data_set(action->io.surf_io, action);
+  XBT_DEBUG("Create io action %p", action);
+
+  return action;
+}
+
+
+//SIMIX FILE UNLINK
+int SIMIX_pre_file_unlink(smx_simcall_t simcall, smx_file_t fd)
+{
+  return SIMIX_file_unlink(simcall->issuer, fd);
+}
+
+int SIMIX_file_unlink(smx_process_t process, smx_file_t fd)
+{
+  smx_host_t host = process->smx_host;
+  /* check if the host is active */
+  if (surf_workstation_model->extension.
+      workstation.get_state(host) != SURF_RESOURCE_ON) {
+    THROWF(host_error, 0, "Host %s failed, you cannot call this function",
+           sg_host_name(host));
+  }
+
+  if (surf_workstation_model->extension.workstation.unlink(host, fd->surf_file)){
+    xbt_free(fd);
+    return 1;
+  } else
+    return 0;
+}
+
+//SIMIX FILE LS
+void SIMIX_pre_file_ls(smx_simcall_t simcall,
+                       const char* mount, const char* path)
+{
+  smx_action_t action = SIMIX_file_ls(simcall->issuer, mount, path);
+  xbt_fifo_push(action->simcalls, simcall);
+  simcall->issuer->waiting_action = action;
+}
+smx_action_t SIMIX_file_ls(smx_process_t process, const char* mount, const char *path)
+{
+  smx_action_t action;
+  smx_host_t host = process->smx_host;
+  /* check if the host is active */
+  if (surf_workstation_model->extension.workstation.get_state(host) != SURF_RESOURCE_ON) {
+    THROWF(host_error, 0, "Host %s failed, you cannot call this function",
+           sg_host_name(host));
+  }
+
+  action = xbt_mallocator_get(simix_global->action_mallocator);
+  action->type = SIMIX_ACTION_IO;
+  action->name = NULL;
+#ifdef HAVE_TRACING
+  action->category = NULL;
+#endif
+
+  action->io.host = host;
+  action->io.surf_io = surf_workstation_model->extension.workstation.ls(host,mount,path);
+
+  surf_workstation_model->action_data_set(action->io.surf_io, action);
+  XBT_DEBUG("Create io action %p", action);
+  return action;
+}
+
+sg_storage_size_t SIMIX_pre_file_get_size(smx_simcall_t simcall, smx_file_t fd)
+{
+  return SIMIX_file_get_size(simcall->issuer, fd);
+}
+
+sg_storage_size_t SIMIX_file_get_size(smx_process_t process, smx_file_t fd)
+{
+  smx_host_t host = process->smx_host;
+  return  surf_workstation_model->extension.workstation.get_size(host,
+      fd->surf_file);
+}
+
+xbt_dynar_t SIMIX_pre_file_get_info(smx_simcall_t simcall, smx_file_t fd)
+{
+  return SIMIX_file_get_info(simcall->issuer, fd);
+}
+
+xbt_dynar_t SIMIX_file_get_info(smx_process_t process, smx_file_t fd)
+{
+  smx_host_t host = process->smx_host;
+  return  surf_workstation_model->extension.workstation.get_info(host,
+      fd->surf_file);
+}
+
+sg_storage_size_t SIMIX_pre_storage_get_free_size(smx_simcall_t simcall, const char* name)
+{
+  return SIMIX_storage_get_free_size(simcall->issuer, name);
+}
+
+sg_storage_size_t SIMIX_storage_get_free_size(smx_process_t process, const char* name)
+{
+  smx_host_t host = process->smx_host;
+  return  surf_workstation_model->extension.workstation.get_free_size(host,name);
+}
+
+sg_storage_size_t SIMIX_pre_storage_get_used_size(smx_simcall_t simcall, const char* name)
+{
+  return SIMIX_storage_get_used_size(simcall->issuer, name);
+}
+
+sg_storage_size_t SIMIX_storage_get_used_size(smx_process_t process, const char* name)
+{
+  smx_host_t host = process->smx_host;
+  return  surf_workstation_model->extension.workstation.get_used_size(host,name);
+}
+
+xbt_dict_t SIMIX_pre_storage_get_properties(smx_simcall_t simcall, smx_storage_t storage){
+  return SIMIX_storage_get_properties(storage);
+}
+xbt_dict_t SIMIX_storage_get_properties(smx_storage_t storage){
+  xbt_assert((storage != NULL), "Invalid parameters (simix storage is NULL)");
+  return surf_storage_model->extension.storage.get_properties(storage);
+}
+
+const char* SIMIX_pre_storage_get_name(smx_simcall_t simcall, smx_storage_t storage){
+   return SIMIX_storage_get_name(storage);
+}
+
+const char* SIMIX_storage_get_name(smx_storage_t storage){
+  xbt_assert((storage != NULL), "Invalid parameters");
+  return sg_storage_name(storage);
+}
+
+void SIMIX_pre_storage_set_data(smx_simcall_t simcall, smx_storage_t storage, void *data) {
+  SIMIX_storage_set_data(storage, data);
+}
+void SIMIX_storage_set_data(smx_storage_t storage, void *data){
+  xbt_assert((storage != NULL), "Invalid parameters");
+  xbt_assert((SIMIX_storage_priv(storage)->data == NULL), "Data already set");
+
+  SIMIX_storage_priv(storage)->data = data;
+}
+
+void* SIMIX_pre_storage_get_data(smx_simcall_t simcall,smx_storage_t storage){
+  return SIMIX_storage_get_data(storage);
+}
+
+void* SIMIX_storage_get_data(smx_storage_t storage){
+  xbt_assert((storage != NULL), "Invalid parameters (simix storage is NULL)");
+
+  return SIMIX_storage_priv(storage)->data;
+}
+
+xbt_dict_t SIMIX_pre_storage_get_content(smx_simcall_t simcall, smx_storage_t storage){
+  return SIMIX_storage_get_content(storage);
+}
+
+xbt_dict_t SIMIX_storage_get_content(smx_storage_t storage){
+  xbt_assert((storage != NULL), "Invalid parameters (simix storage is NULL)");
+  return surf_storage_model->extension.storage.get_content(storage);
+}
+
 void SIMIX_post_io(smx_action_t action)
 {
+  xbt_fifo_item_t i;
+  smx_simcall_t simcall;
+//  char* key;
+//  xbt_dict_cursor_t cursor = NULL;
+//  s_file_stat_t *dst = NULL;
+//  s_file_stat_t *src = NULL;
+
+  xbt_fifo_foreach(action->simcalls,i,simcall,smx_simcall_t) {
+    switch (simcall->call) {
+    case SIMCALL_FILE_OPEN:;
+      smx_file_t tmp = xbt_new(s_smx_file_t,1);
+      tmp->surf_file = (action->io.surf_io)->file;
+      simcall_file_open__set__result(simcall, tmp);
+      break;
+
+    case SIMCALL_FILE_CLOSE:
+      xbt_free(simcall_file_close__get__fd(simcall));
+      simcall_file_close__set__result(simcall, 0);
+      break;
+
+    case SIMCALL_FILE_WRITE:
+      simcall_file_write__set__result(simcall, (action->io.surf_io)->cost);
+      break;
+
+    case SIMCALL_FILE_READ:
+      simcall_file_read__set__result(simcall, (action->io.surf_io)->cost);
+      break;
+
+    case SIMCALL_FILE_LS:
+//      xbt_dict_foreach((action->io.surf_io)->ls_dict,cursor,key, src){
+//        // if there is a stat we have to duplicate it
+//        if(src){
+//          dst = xbt_new0(s_file_stat_t,1);
+//          file_stat_copy(src, dst);
+//          xbt_dict_set((action->io.surf_io)->ls_dict,key,dst,xbt_free);
+//        }
+//      }
+      simcall_file_ls__set__result(simcall, (action->io.surf_io)->ls_dict);
+      break;
+    default:
+      break;
+    }
+  }
+
   switch (surf_workstation_model->action_state_get(action->io.surf_io)) {
 
     case SURF_ACTION_FAILED:
@@ -80,10 +426,10 @@ void SIMIX_io_destroy(smx_action_t action)
 
 void SIMIX_io_finish(smx_action_t action)
 {
-  volatile xbt_fifo_item_t item;
-  smx_req_t req;
+  xbt_fifo_item_t item;
+  smx_simcall_t simcall;
 
-  xbt_fifo_foreach(action->request_list, item, req, smx_req_t) {
+  xbt_fifo_foreach(action->simcalls, item, simcall, smx_simcall_t) {
 
     switch (action->state) {
 
@@ -92,29 +438,25 @@ void SIMIX_io_finish(smx_action_t action)
         break;
 
       case SIMIX_FAILED:
-        TRY {
-          THROWF(io_error, 0, "IO failed");
-        }
-       CATCH(req->issuer->running_ctx->exception) {
-         req->issuer->doexception = 1;
-       }
-      break;
+        SMX_EXCEPTION(simcall->issuer, io_error, 0, "IO failed");
+        break;
 
       case SIMIX_CANCELED:
-        TRY {
-          THROWF(cancel_error, 0, "Canceled");
-        }
-       CATCH(req->issuer->running_ctx->exception) {
-         req->issuer->doexception = 1;
-        }
-       break;
+        SMX_EXCEPTION(simcall->issuer, cancel_error, 0, "Canceled");
+        break;
 
       default:
         xbt_die("Internal error in SIMIX_io_finish: unexpected action state %d",
-            action->state);
+            (int)action->state);
     }
-    req->issuer->waiting_action = NULL;
-    SIMIX_request_answer(req);
+
+    if (surf_workstation_model->extension.
+        workstation.get_state(simcall->issuer->smx_host) != SURF_RESOURCE_ON) {
+      simcall->issuer->context->iwannadie = 1;
+    }
+
+    simcall->issuer->waiting_action = NULL;
+    SIMIX_simcall_answer(simcall);
   }
 
   /* We no longer need it */