From: Pierre Veyre <pierre.veyre@cc.in2p3.fr>
Date: Tue, 25 Mar 2014 14:22:11 +0000 (+0100)
Subject: Merge branch 'master' of git+ssh://scm.gforge.inria.fr//gitroot/simgrid/simgrid
X-Git-Tag: v3_11~192
X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/commitdiff_plain/b61e0df4e0f5d85fbc1df364660fc71d9461adc6?hp=362246530b96737425628465f584af5a4a69f2fc

Merge branch 'master' of git+ssh://scm.gforge.inria.fr//gitroot/simgrid/simgrid
---

diff --git a/include/msg/msg.h b/include/msg/msg.h
index f7f04a3f82..ec4eca8226 100644
--- a/include/msg/msg.h
+++ b/include/msg/msg.h
@@ -97,6 +97,8 @@ XBT_PUBLIC(void) __MSG_file_get_info(msg_file_t fd);
 XBT_PUBLIC(void) __MSG_file_priv_free(msg_file_priv_t priv);
 XBT_PUBLIC(const char *) MSG_file_get_name(msg_file_t storage);
 XBT_PUBLIC(msg_error_t) MSG_file_move(msg_file_t fd, const char* fullpath);
+XBT_PUBLIC(msg_error_t) MSG_file_rcopy(msg_file_t fd, msg_host_t host, const char* fullpath);
+XBT_PUBLIC(msg_error_t) MSG_file_rmove(msg_file_t fd, msg_host_t host, const char* fullpath);
 /************************** Storage handling ***********************************/
 XBT_PUBLIC(msg_host_t) MSG_get_storage_by_name(const char *name);
 XBT_PUBLIC(const char *) MSG_storage_get_name(msg_storage_t storage);
diff --git a/include/simgrid/simix.h b/include/simgrid/simix.h
index fb0269864a..6b68336a4f 100644
--- a/include/simgrid/simix.h
+++ b/include/simgrid/simix.h
@@ -499,6 +499,7 @@ XBT_PUBLIC(xbt_dynar_t) simcall_file_get_info(smx_file_t fd);
 XBT_PUBLIC(sg_size_t) simcall_file_tell(smx_file_t fd);
 XBT_PUBLIC(int) simcall_file_seek(smx_file_t fd, sg_size_t offset, int origin);
 XBT_PUBLIC(int) simcall_file_move(smx_file_t fd, const char* fullpath);
+XBT_PUBLIC(int) simcall_file_rcopy(smx_file_t fd, smx_host_t host, const char* fullpath);
 /*****************************   Storage   **********************************/
 XBT_PUBLIC(sg_size_t) simcall_storage_get_free_size (const char* name);
 XBT_PUBLIC(sg_size_t) simcall_storage_get_used_size (const char* name);
diff --git a/src/include/surf/surf.h b/src/include/surf/surf.h
index 324681a49f..16da53a709 100644
--- a/src/include/surf/surf.h
+++ b/src/include/surf/surf.h
@@ -721,6 +721,18 @@ XBT_PUBLIC(int) surf_workstation_file_move(surf_resource_t workstation, surf_fil
  */
 XBT_PUBLIC(int) surf_workstation_file_seek(surf_resource_t workstation, surf_file_t fd, sg_size_t offset, int origin);
 
+/**
+ * @brief Copy a file to another location on a remote host.
+ * @details [long description]
+ *
+ * @param workstation The surf workstation
+ * @param fd The file descriptor
+ * @param host_dest The workstation destination
+ * @param fullpath The new full path
+ *
+ * @return MSG_OK if successful, otherwise MSG_TASK_CANCELED
+ */
+XBT_PUBLIC(int) surf_workstation_file_rcopy(surf_resource_t workstation, surf_file_t fd, surf_resource_t host_dest, const char* fullpath);
 
 /**
  * @brief [brief description]
diff --git a/src/msg/msg_io.c b/src/msg/msg_io.c
index fbaf853759..2c2adca044 100644
--- a/src/msg/msg_io.c
+++ b/src/msg/msg_io.c
@@ -253,6 +253,38 @@ msg_error_t MSG_file_move (msg_file_t fd, const char* fullpath)
   return simcall_file_move(priv->simdata->smx_file, fullpath);
 }
 
+/**
+ * \ingroup msg_file_management
+ * \brief Copy a file to another location on a remote host.
+ * \param fd : the file to move
+ * \param host : the remote host where the file has to be copied
+ * \param fullpath : the complete path destination on the remote host
+ * \return If successful, the function returns MSG_OK. Otherwise, it returns
+ * MSG_TASK_CANCELED.
+ */
+msg_error_t MSG_file_rcopy (msg_file_t file, msg_host_t host, const char* fullpath)
+{
+  msg_file_priv_t file_priv = MSG_file_priv(file);
+  return simcall_file_rcopy(file_priv->simdata->smx_file, host, fullpath);
+}
+
+/**
+ * \ingroup msg_file_management
+ * \brief Move a file to another location on a remote host.
+ * \param fd : the file to move
+ * \param host : the remote host where the file has to be moved
+ * \param fullpath : the complete path destination on the remote host
+ * \return If successful, the function returns MSG_OK. Otherwise, it returns
+ * MSG_TASK_CANCELED.
+ */
+msg_error_t MSG_file_rmove (msg_file_t file, msg_host_t host, const char* fullpath)
+{
+  msg_file_priv_t file_priv = MSG_file_priv(file);
+  msg_error_t res = simcall_file_rcopy(file_priv->simdata->smx_file, host, fullpath);
+  simcall_file_unlink(file_priv->simdata->smx_file);
+  return res;
+}
+
 /**
  * \brief Destroys a file (internal call only)
  */
diff --git a/src/simix/simcalls.in b/src/simix/simcalls.in
index 9c7a7dbbc1..f22c4447a7 100644
--- a/src/simix/simcalls.in
+++ b/src/simix/simcalls.in
@@ -119,6 +119,7 @@ file_tell True (sg_size_t) (fd, void*, smx_file_t)
 file_seek True (int) (fd, void*, smx_file_t) (offset, sg_size_t) (origin, int)
 file_get_info True (void*, xbt_dynar_t) (fd, void*, smx_file_t)
 file_move True (int) (fd, void*, smx_file_t) (fullpath, const char*)
+file_rcopy True (int) (fd, void*, smx_file_t) (host, void*, smx_host_t) (fullpath, const char*)
 storage_get_free_size True (sg_size_t) (name, const char*)
 storage_get_used_size True (sg_size_t) (name, const char*)
 storage_get_properties True (void*, xbt_dict_t) (storage, void*, smx_storage_t)
diff --git a/src/simix/simcalls_generated_args_getter_setter.h b/src/simix/simcalls_generated_args_getter_setter.h
index 55ba1483c8..1e1c4219a0 100644
--- a/src/simix/simcalls_generated_args_getter_setter.h
+++ b/src/simix/simcalls_generated_args_getter_setter.h
@@ -1154,6 +1154,24 @@ static inline const char* simcall_file_move__get__fullpath(smx_simcall_t simcall
 static inline void simcall_file_move__set__fullpath(smx_simcall_t simcall, const char* arg){
     simcall->args[1].cc = arg;
 }
+static inline smx_file_t simcall_file_rcopy__get__fd(smx_simcall_t simcall){
+  return (smx_file_t) simcall->args[0].dp;
+}
+static inline void simcall_file_rcopy__set__fd(smx_simcall_t simcall, void* arg){
+    simcall->args[0].dp = arg;
+}
+static inline smx_host_t simcall_file_rcopy__get__host(smx_simcall_t simcall){
+  return (smx_host_t) simcall->args[1].dp;
+}
+static inline void simcall_file_rcopy__set__host(smx_simcall_t simcall, void* arg){
+    simcall->args[1].dp = arg;
+}
+static inline const char* simcall_file_rcopy__get__fullpath(smx_simcall_t simcall){
+  return  simcall->args[2].cc;
+}
+static inline void simcall_file_rcopy__set__fullpath(smx_simcall_t simcall, const char* arg){
+    simcall->args[2].cc = arg;
+}
 static inline const char* simcall_storage_get_free_size__get__name(smx_simcall_t simcall){
   return  simcall->args[0].cc;
 }
diff --git a/src/simix/simcalls_generated_body.c b/src/simix/simcalls_generated_body.c
index 5e2bf9e0d5..885dc4b46f 100644
--- a/src/simix/simcalls_generated_body.c
+++ b/src/simix/simcalls_generated_body.c
@@ -1781,6 +1781,23 @@
     }    
     return self->simcall.result.i;
   }
+  inline static int simcall_BODY_file_rcopy(smx_file_t fd, smx_host_t host, const char* fullpath) {
+    smx_process_t self = SIMIX_process_self();
+    self->simcall.call = SIMCALL_FILE_RCOPY;
+    memset(&self->simcall.result, 0, sizeof(self->simcall.result));
+    memset(self->simcall.args, 0, sizeof(self->simcall.args));
+    self->simcall.args[0].dp = (void*) fd;
+    self->simcall.args[1].dp = (void*) host;
+    self->simcall.args[2].cc = (const char*) fullpath;
+    if (self != simix_global->maestro_process) {
+      XBT_DEBUG("Yield process '%s' on simcall %s (%d)", self->name,
+                SIMIX_simcall_name(self->simcall.call), (int)self->simcall.call);
+      SIMIX_process_yield(self);
+    } else {
+      SIMIX_simcall_pre(&self->simcall, 0);
+    }    
+    return self->simcall.result.i;
+  }
   inline static sg_size_t simcall_BODY_storage_get_free_size(const char* name) {
     smx_process_t self = SIMIX_process_self();
     self->simcall.call = SIMCALL_STORAGE_GET_FREE_SIZE;
diff --git a/src/simix/simcalls_generated_case.c b/src/simix/simcalls_generated_case.c
index 6d7bc913ca..bf5a69959e 100644
--- a/src/simix/simcalls_generated_case.c
+++ b/src/simix/simcalls_generated_case.c
@@ -551,6 +551,11 @@ case SIMCALL_FILE_MOVE:
       SIMIX_simcall_answer(simcall);
       break;  
 
+case SIMCALL_FILE_RCOPY:
+      simcall->result.i = SIMIX_pre_file_rcopy(simcall , (smx_file_t) simcall->args[0].dp, (smx_host_t) simcall->args[1].dp,  simcall->args[2].cc);
+      SIMIX_simcall_answer(simcall);
+      break;  
+
 case SIMCALL_STORAGE_GET_FREE_SIZE:
       simcall->result.sgsz = SIMIX_pre_storage_get_free_size(simcall ,  simcall->args[0].cc);
       SIMIX_simcall_answer(simcall);
diff --git a/src/simix/simcalls_generated_enum.h b/src/simix/simcalls_generated_enum.h
index 448c05a917..5130bb2a8d 100644
--- a/src/simix/simcalls_generated_enum.h
+++ b/src/simix/simcalls_generated_enum.h
@@ -118,6 +118,7 @@ SIMCALL_FILE_TELL,
 SIMCALL_FILE_SEEK,
 SIMCALL_FILE_GET_INFO,
 SIMCALL_FILE_MOVE,
+SIMCALL_FILE_RCOPY,
 SIMCALL_STORAGE_GET_FREE_SIZE,
 SIMCALL_STORAGE_GET_USED_SIZE,
 SIMCALL_STORAGE_GET_PROPERTIES,
diff --git a/src/simix/simcalls_generated_res_getter_setter.h b/src/simix/simcalls_generated_res_getter_setter.h
index 052b1f4456..d339060927 100644
--- a/src/simix/simcalls_generated_res_getter_setter.h
+++ b/src/simix/simcalls_generated_res_getter_setter.h
@@ -491,6 +491,12 @@ static inline int simcall_file_move__get__result(smx_simcall_t simcall){
 static inline void simcall_file_move__set__result(smx_simcall_t simcall, int result){
     simcall->result.i = result;
 }
+static inline int simcall_file_rcopy__get__result(smx_simcall_t simcall){
+  return  simcall->result.i;
+}
+static inline void simcall_file_rcopy__set__result(smx_simcall_t simcall, int result){
+    simcall->result.i = result;
+}
 static inline sg_size_t simcall_storage_get_free_size__get__result(smx_simcall_t simcall){
   return  simcall->result.sgsz;
 }
diff --git a/src/simix/simcalls_generated_string.c b/src/simix/simcalls_generated_string.c
index 0f14211855..8ef57bea32 100644
--- a/src/simix/simcalls_generated_string.c
+++ b/src/simix/simcalls_generated_string.c
@@ -118,6 +118,7 @@
 [SIMCALL_FILE_SEEK] = "SIMCALL_FILE_SEEK",
 [SIMCALL_FILE_GET_INFO] = "SIMCALL_FILE_GET_INFO",
 [SIMCALL_FILE_MOVE] = "SIMCALL_FILE_MOVE",
+[SIMCALL_FILE_RCOPY] = "SIMCALL_FILE_RCOPY",
 [SIMCALL_STORAGE_GET_FREE_SIZE] = "SIMCALL_STORAGE_GET_FREE_SIZE",
 [SIMCALL_STORAGE_GET_USED_SIZE] = "SIMCALL_STORAGE_GET_USED_SIZE",
 [SIMCALL_STORAGE_GET_PROPERTIES] = "SIMCALL_STORAGE_GET_PROPERTIES",
diff --git a/src/simix/smx_io.c b/src/simix/smx_io.c
index 25c87cf078..b4dc9b8b6f 100644
--- a/src/simix/smx_io.c
+++ b/src/simix/smx_io.c
@@ -301,6 +301,17 @@ int SIMIX_file_move(smx_process_t process, smx_file_t file, const char* fullpath
   return  surf_workstation_file_move(host, file->surf_file, fullpath);
 }
 
+int SIMIX_pre_file_rcopy(smx_simcall_t simcall, smx_file_t fd, smx_host_t host, const char* fullpath)
+{
+  return SIMIX_file_rcopy(simcall->issuer, fd, host, fullpath);
+}
+
+int SIMIX_file_rcopy(smx_process_t process, smx_file_t file, smx_host_t host_dest, const char* fullpath)
+{
+  smx_host_t host = process->smx_host;
+  return  surf_workstation_file_rcopy(host, file->surf_file, host_dest, fullpath);
+}
+
 sg_size_t SIMIX_pre_storage_get_free_size(smx_simcall_t simcall, const char* name)
 {
   return SIMIX_storage_get_free_size(simcall->issuer, name);
diff --git a/src/simix/smx_io_private.h b/src/simix/smx_io_private.h
index 8a3c38d7db..15e2624341 100644
--- a/src/simix/smx_io_private.h
+++ b/src/simix/smx_io_private.h
@@ -34,6 +34,7 @@ sg_size_t SIMIX_pre_file_tell(smx_simcall_t simcall, smx_file_t fd);
 xbt_dynar_t SIMIX_pre_file_get_info(smx_simcall_t simcall, smx_file_t fd);
 int SIMIX_pre_file_seek(smx_simcall_t simcall, smx_file_t fd, sg_size_t offset, int origin);
 int SIMIX_pre_file_move(smx_simcall_t simcall, smx_file_t fd, const char* fullpath);
+int SIMIX_pre_file_rcopy(smx_simcall_t simcall, smx_file_t fd, smx_host_t dest, const char* fullpath);
 smx_action_t SIMIX_file_read(smx_process_t process, smx_file_t fd, sg_size_t size);
 smx_action_t SIMIX_file_write(smx_process_t process, smx_file_t fd, sg_size_t size);
 smx_action_t SIMIX_file_open(smx_process_t process, const char* fullpath);
@@ -46,6 +47,7 @@ sg_size_t SIMIX_file_tell(smx_process_t process, smx_file_t fd);
 xbt_dynar_t SIMIX_file_get_info(smx_process_t process, smx_file_t fd);
 int SIMIX_file_seek(smx_process_t process, smx_file_t fd, sg_size_t offset, int origin);
 int SIMIX_file_move(smx_process_t process, smx_file_t fd, const char* fullpath);
+int SIMIX_file_rcopy(smx_process_t process, smx_file_t fd, smx_host_t dest, const char* fullpath);
 
 sg_size_t SIMIX_pre_storage_get_free_size(smx_simcall_t simcall,const char* name);
 sg_size_t SIMIX_storage_get_free_size(smx_process_t process,const char* name);
diff --git a/src/simix/smx_user.c b/src/simix/smx_user.c
index d4ecd2f121..43085e4746 100644
--- a/src/simix/smx_user.c
+++ b/src/simix/smx_user.c
@@ -1410,6 +1410,16 @@ int simcall_file_move(smx_file_t fd, const char* fullpath)
   return simcall_BODY_file_move(fd, fullpath);
 }
 
+/**
+ * \ingroup simix_file_management
+ * \brief Copy a file to another location on a remote host.
+ *
+ */
+int simcall_file_rcopy(smx_file_t fd, smx_host_t host, const char* fullpath)
+{
+  return simcall_BODY_file_rcopy(fd, host, fullpath);
+}
+
 /**
  * \ingroup simix_storage_management
  * \brief Returns the free space size on a given storage element.
diff --git a/src/surf/surf_c_bindings.cpp b/src/surf/surf_c_bindings.cpp
index 82e93b145c..b34f4eecfc 100644
--- a/src/surf/surf_c_bindings.cpp
+++ b/src/surf/surf_c_bindings.cpp
@@ -412,6 +412,10 @@ int surf_workstation_file_move(surf_resource_t workstation, surf_file_t fd, cons
   return get_casted_workstation(workstation)->fileMove(fd, fullpath);
 }
 
+int surf_workstation_file_rcopy(surf_resource_t workstation, surf_file_t fd, surf_resource_t host_dest, const char* fullpath){
+  return get_casted_workstation(workstation)->fileRcopy(fd, host_dest, fullpath);
+}
+
 xbt_dynar_t surf_workstation_get_vms(surf_resource_t resource){
   return get_casted_workstation(resource)->getVms();
 }
diff --git a/src/surf/workstation_interface.cpp b/src/surf/workstation_interface.cpp
index 60480b9bed..7149daf2ee 100644
--- a/src/surf/workstation_interface.cpp
+++ b/src/surf/workstation_interface.cpp
@@ -9,6 +9,8 @@
 #include "cpu_cas01.hpp"
 #include "simgrid/sg_config.h"
 
+#include "network_interface.hpp"
+
 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_workstation, surf,
                                 "Logging specific to the SURF workstation module");
 
@@ -267,7 +269,7 @@ int Workstation::unlink(surf_file_t fd) {
     XBT_WARN("No such file descriptor. Impossible to unlink");
     return 0;
   } else {
-//    XBT_INFO("%s %zu", fd->storage, fd->size);
+
     StoragePtr st = findStorageOnMountList(fd->mount);
     /* Check if the file is on this storage */
     if (!xbt_dict_get_or_null(st->p_content, fd->name)){
@@ -367,6 +369,117 @@ int Workstation::fileMove(surf_file_t fd, const char* fullpath){
   }
 }
 
+int Workstation::fileRcopy(surf_file_t fd, surf_resource_t host_dest, const char* fullpath){
+
+  XBT_DEBUG("Rcopy file %s on %s to %s",fd->name, host_dest->key, fullpath);
+
+  /* Find the host src where the file is located */
+  StoragePtr storage = findStorageOnMountList(fd->mount);
+  const char* host_name_src = (const char*)storage->p_attach;
+
+  /* Find the real host dest where the file will be stored */
+  s_mount_t mnt;
+  unsigned int cursor;
+  StoragePtr storage_dest = NULL;
+  const char* host_name_dest;
+  char *file_mount_name;
+  size_t longest_prefix_length = 0;
+  WorkstationPtr dest_ws, src_ws;
+
+  dest_ws = static_cast<WorkstationPtr>(surf_workstation_resource_priv(host_dest));
+
+  xbt_dynar_foreach(dest_ws->p_storage,cursor,mnt)
+  {
+	file_mount_name = (char *) xbt_malloc ((strlen(mnt.name)+1));
+    strncpy(file_mount_name,fullpath,strlen(mnt.name)+1);
+    file_mount_name[strlen(mnt.name)] = '\0';
+
+	if(!strcmp(file_mount_name,mnt.name) && strlen(mnt.name)>longest_prefix_length)
+	{/* The current mount name is found in the full path and is bigger than the previous*/
+      longest_prefix_length = strlen(mnt.name);
+      storage_dest = static_cast<StoragePtr>(mnt.storage);
+	}
+	free(file_mount_name);
+  }
+  if(longest_prefix_length>0)
+  { /* Mount point found, retrieve the host the storage is attached to */
+    host_name_dest = storage_dest->p_attach;
+  }
+  else
+  {
+    XBT_WARN("Can't find mount point for '%s' on destination host '%s'", fullpath, host_dest->key);
+    return MSG_TASK_CANCELED;
+  }
+
+  /* Check that there is a route between src and dest workstations */
+  xbt_dynar_t route = NULL;
+  dest_ws = static_cast<WorkstationPtr>(surf_workstation_resource_priv(xbt_lib_get_elm_or_null(host_lib, host_name_dest)));
+  src_ws = static_cast<WorkstationPtr>(surf_workstation_resource_priv(xbt_lib_get_elm_or_null(host_lib, host_name_src)));
+
+  routing_get_route_and_latency(src_ws->p_netElm, dest_ws->p_netElm, &route, NULL);
+  if(!xbt_dynar_length (route))
+  {
+	XBT_WARN("There is no route between %s and %s. Action has been canceled", src_ws->getName(), dest_ws->getName());
+	return MSG_TASK_CANCELED;
+  }
+  else
+  {/* There is a route between src and dest, let's copy the file */
+
+    /* Read the file on the src side */
+	src_ws->read(fd, fd->size);
+
+	/* Send a message from src to dest to simulate data transfer */
+	surf_network_model->communicate(src_ws->p_netElm, dest_ws->p_netElm, fd->size, -1.0);
+
+	/* Create the file on the dest side and write data into it*/
+	char *mount_name, *path;
+	path = (char *) xbt_malloc ((strlen(fullpath)-longest_prefix_length+1));
+	mount_name = (char *) xbt_malloc ((longest_prefix_length+1));
+	/* deduce mount_name and path from fullpath */
+	strncpy(mount_name, fullpath, longest_prefix_length+1);
+	strncpy(path, fullpath+longest_prefix_length, strlen(fullpath)-longest_prefix_length+1);
+	path[strlen(fullpath)-longest_prefix_length] = '\0';
+	mount_name[longest_prefix_length] = '\0';
+    /* create the file */
+	ActionPtr open_action = storage_dest->open((const char*)mount_name, (const char*)path);
+    /* write data */
+	dest_ws->write(static_cast<StorageActionPtr>(open_action)->p_file, fd->size);
+    dest_ws->close(static_cast<StorageActionPtr>(open_action)->p_file);
+    free(path);
+    free(mount_name);
+    XBT_DEBUG("File %s has been copied on %s to %s",fd->name, host_dest->key, fullpath);
+    return MSG_OK;
+  }
+
+
+  XBT_INFO("SRC %s DEST %s", host_name_src, host_name_dest);
+
+
+
+//  /* Check that file to copy is local to the src workstation (storage is attached to src workstation) */
+//  StoragePtr storage = findStorageOnMountList(fd->mount);
+//  if(!strcmp((const char*)storage->p_attach, this->getName()))
+//  {
+//    /* Check that there is a route between src and dest workstations */
+//    xbt_dynar_t route = NULL;
+//    routing_get_route_and_latency(this->p_netElm, ((WorkstationPtr)host_dest)->p_netElm, &route, NULL);
+//    if(route){
+//
+//      ATTENTION DISCUSSION AVEC FRED !
+//      return MSG_OK;
+//    }
+//    else
+//    {
+//      XBT_WARN("There is no route between %s and %s. Action has been canceled", this->getName(), host_dest->key);
+//      return MSG_TASK_CANCELED;
+//    }
+//  }
+//  else
+//  {
+//    XBT_WARN("File %s is not local to %s but to %s. Action has been canceled", fd->name,this->getName(), storage->p_attach);
+//    return MSG_TASK_CANCELED;
+//  }
+}
 
 sg_size_t Workstation::getFreeSize(const char* name)
 {
diff --git a/src/surf/workstation_interface.hpp b/src/surf/workstation_interface.hpp
index 473b044a09..c472d377c6 100644
--- a/src/surf/workstation_interface.hpp
+++ b/src/surf/workstation_interface.hpp
@@ -380,6 +380,17 @@ public:
    */
   virtual int fileMove(surf_file_t fd, const char* fullpath);
 
+  /**
+   * @brief Copy a file to another location on a remote host.
+   * @details [long description]
+   *
+   * @param fd The file descriptor
+   * @param host_dest The worstation destination
+   * @param fullpath The new full path
+   * @return MSG_OK if successful, otherwise MSG_TASK_CANCELED
+   */
+  virtual int fileRcopy(surf_file_t fd, surf_resource_t host_dest, const char* fullpath);
+
   xbt_dynar_t p_storage;
   RoutingEdgePtr p_netElm;
   CpuPtr p_cpu;