/* 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 "simgrid/s4u/File.hpp"
#include "simgrid/s4u/Host.hpp"
-#include "src/msg/msg_private.h"
-#include "src/surf/storage_interface.hpp"
+#include "simgrid/s4u/Storage.hpp"
+#include "src/msg/msg_private.hpp"
#include <numeric>
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(msg_io, msg, "Logging specific to MSG (io)");
-SG_BEGIN_DECL()
+extern "C" {
/** @addtogroup msg_file
* (#msg_file_t) and the functions for managing it.
* \see #msg_file_t
*/
-/********************************* File **************************************/
-void __MSG_file_get_info(msg_file_t fd){
-
- xbt_dynar_t info = simcall_file_get_info(fd->simdata->smx_file);
- sg_size_t *psize;
-
- fd->content_type = xbt_dynar_pop_as(info, char*);
- fd->storage_type = xbt_dynar_pop_as(info, char*);
- fd->storageId = xbt_dynar_pop_as(info, char*);
- fd->mount_point = xbt_dynar_pop_as(info, char*);
- psize = xbt_dynar_pop_as(info, sg_size_t*);
- fd->size = *psize;
- xbt_free(psize);
- xbt_dynar_free_container(&info);
-}
-
static int MSG_host_get_file_descriptor_id(msg_host_t host)
{
simgrid::MsgHostExt* priv = host->extension<simgrid::MsgHostExt>();
priv->file_descriptor_table = new std::vector<int>(sg_storage_max_file_descriptors);
std::iota(priv->file_descriptor_table->rbegin(), priv->file_descriptor_table->rend(), 0); // Fill with ..., 1, 0.
}
- xbt_assert(!priv->file_descriptor_table->empty(), "Too much files are opened! Some have to be closed.");
+ xbt_assert(not priv->file_descriptor_table->empty(), "Too much files are opened! Some have to be closed.");
int desc = priv->file_descriptor_table->back();
priv->file_descriptor_table->pop_back();
return desc;
*/
msg_error_t MSG_file_set_data(msg_file_t fd, void *data)
{
- fd->data = data;
+ fd->setUserdata(data);
return MSG_OK;
}
*
* This functions checks whether \a file is a valid pointer and return the user data associated to \a file if possible.
*/
-void *MSG_file_get_data(msg_file_t fd)
+void* MSG_file_get_data(msg_file_t fd)
{
- return fd->data;
+ return fd->getUserdata();
}
/** \ingroup msg_file
* \param fd is a the file descriptor
*/
void MSG_file_dump (msg_file_t fd){
- /* Update the cached information first */
- __MSG_file_get_info(fd);
-
XBT_INFO("File Descriptor information:\n"
"\t\tFull path: '%s'\n"
"\t\tSize: %llu\n"
"\t\tMount point: '%s'\n"
"\t\tStorage Id: '%s'\n"
"\t\tStorage Type: '%s'\n"
- "\t\tContent Type: '%s'\n"
"\t\tFile Descriptor Id: %d",
- fd->fullpath, fd->size, fd->mount_point, fd->storageId, fd->storage_type, fd->content_type, fd->desc_id);
+ fd->getPath(), fd->size(), fd->mount_point.c_str(), fd->storageId.c_str(), fd->storage_type.c_str(),
+ fd->desc_id);
}
/** \ingroup msg_file
{
sg_size_t read_size;
- if (fd->size == 0) /* Nothing to read, return */
+ if (fd->size() == 0) /* Nothing to read, return */
return 0;
/* Find the host where the file is physically located and read it */
- msg_storage_t storage_src = static_cast<msg_storage_t>(xbt_lib_get_elm_or_null(storage_lib, fd->storageId));
- msg_storage_priv_t storage_priv_src = MSG_storage_priv(storage_src);
- msg_host_t attached_host = MSG_host_by_name(storage_priv_src->hostname);
- read_size = simcall_file_read(fd->simdata->smx_file, size, attached_host);
+ msg_storage_t storage_src = simgrid::s4u::Storage::byName(fd->storageId);
+ msg_host_t attached_host = storage_src->getHost();
+ read_size = fd->read(size);
- if (strcmp(storage_priv_src->hostname, MSG_host_self()->cname())) {
+ if (strcmp(attached_host->getCname(), MSG_host_self()->getCname())) {
/* the file is hosted on a remote host, initiate a communication between src and dest hosts for data transfer */
- XBT_DEBUG("File is on %s remote host, initiate data transfer of %llu bytes.", storage_priv_src->hostname, read_size);
+ XBT_DEBUG("File is on %s remote host, initiate data transfer of %llu bytes.", attached_host->getCname(), read_size);
msg_host_t m_host_list[] = {MSG_host_self(), attached_host};
double flops_amount[] = {0, 0};
double bytes_amount[] = {0, 0, static_cast<double>(read_size), 0};
if(transfer != MSG_OK){
if (transfer == MSG_HOST_FAILURE)
- XBT_WARN("Transfer error, %s remote host just turned off!", attached_host->cname());
+ XBT_WARN("Transfer error, %s remote host just turned off!", attached_host->getCname());
if (transfer == MSG_TASK_CANCELED)
XBT_WARN("Transfer error, task has been canceled!");
return 0;
/* Find the host where the file is physically located (remote or local)*/
- msg_storage_t storage_src = static_cast<msg_storage_t>(xbt_lib_get_elm_or_null(storage_lib, fd->storageId));
- msg_storage_priv_t storage_priv_src = MSG_storage_priv(storage_src);
- msg_host_t attached_host = MSG_host_by_name(storage_priv_src->hostname);
+ msg_storage_t storage_src = simgrid::s4u::Storage::byName(fd->storageId);
+ msg_host_t attached_host = storage_src->getHost();
- if (strcmp(storage_priv_src->hostname, MSG_host_self()->cname())) {
+ if (strcmp(attached_host->getCname(), MSG_host_self()->getCname())) {
/* the file is hosted on a remote host, initiate a communication between src and dest hosts for data transfer */
- XBT_DEBUG("File is on %s remote host, initiate data transfer of %llu bytes.", storage_priv_src->hostname, size);
+ XBT_DEBUG("File is on %s remote host, initiate data transfer of %llu bytes.", attached_host->getCname(), size);
msg_host_t m_host_list[] = {MSG_host_self(), attached_host};
double flops_amount[] = {0, 0};
double bytes_amount[] = {0, static_cast<double>(size), 0, 0};
if(transfer != MSG_OK){
if (transfer == MSG_HOST_FAILURE)
- XBT_WARN("Transfer error, %s remote host just turned off!", attached_host->cname());
+ XBT_WARN("Transfer error, %s remote host just turned off!", attached_host->getCname());
if (transfer == MSG_TASK_CANCELED)
XBT_WARN("Transfer error, task has been canceled!");
}
}
/* Write file on local or remote host */
- sg_size_t offset = simcall_file_tell(fd->simdata->smx_file);
- sg_size_t write_size = simcall_file_write(fd->simdata->smx_file, size, attached_host);
- fd->size = offset + write_size;
+ sg_size_t write_size = fd->write(size);
return write_size;
}
*/
msg_file_t MSG_file_open(const char* fullpath, void* data)
{
- msg_file_t fd = xbt_new(s_msg_file_priv_t, 1);
- fd->data = data;
- fd->fullpath = xbt_strdup(fullpath);
- fd->simdata = xbt_new0(s_simdata_file_t, 1);
- fd->simdata->smx_file = simcall_file_open(fullpath, MSG_host_self());
+ msg_file_t fd = new simgrid::s4u::File(fullpath, MSG_host_self());
fd->desc_id = MSG_host_get_file_descriptor_id(MSG_host_self());
-
- __MSG_file_get_info(fd);
-
+ fd->setUserdata(data);
return fd;
}
*/
int MSG_file_close(msg_file_t fd)
{
- if (fd->data)
- xbt_free(fd->data);
-
- int res = simcall_file_close(fd->simdata->smx_file, MSG_host_self());
MSG_host_release_file_descriptor_id(MSG_host_self(), fd->desc_id);
- __MSG_file_destroy(fd);
+ delete fd;
- return res;
+ return MSG_OK;
}
/** \ingroup msg_file
*/
msg_error_t MSG_file_unlink(msg_file_t fd)
{
- /* Find the host where the file is physically located (remote or local)*/
- msg_storage_t storage_src = static_cast<msg_storage_t>(xbt_lib_get_elm_or_null(storage_lib, fd->storageId));
- msg_storage_priv_t storage_priv_src = MSG_storage_priv(storage_src);
- msg_host_t attached_host = MSG_host_by_name(storage_priv_src->hostname);
- int res = simcall_file_unlink(fd->simdata->smx_file, attached_host);
- __MSG_file_destroy(fd);
- return static_cast<msg_error_t>(res);
+ fd->unlink();
+ delete fd;
+ return MSG_OK;
}
/** \ingroup msg_file
* \param fd is the file descriptor (#msg_file_t)
* \return the size of the file (as a #sg_size_t)
*/
-sg_size_t MSG_file_get_size(msg_file_t fd){
- return simcall_file_get_size(fd->simdata->smx_file);
+sg_size_t MSG_file_get_size(msg_file_t fd)
+{
+ return fd->size();
}
/**
*/
msg_error_t MSG_file_seek(msg_file_t fd, sg_offset_t offset, int origin)
{
- return static_cast<msg_error_t>(simcall_file_seek(fd->simdata->smx_file, offset, origin));
+ fd->seek(offset, origin);
+ return MSG_OK;
}
/**
*/
sg_size_t MSG_file_tell(msg_file_t fd)
{
- return simcall_file_tell(fd->simdata->smx_file);
+ return fd->tell();
}
const char *MSG_file_get_name(msg_file_t fd) {
xbt_assert((fd != nullptr), "Invalid parameters");
- return fd->fullpath;
+ return fd->getPath();
}
/**
*/
msg_error_t MSG_file_move (msg_file_t fd, const char* fullpath)
{
- return static_cast<msg_error_t>(simcall_file_move(fd->simdata->smx_file, fullpath));
+ fd->move(fullpath);
+ return MSG_OK;
}
/**
msg_error_t MSG_file_rcopy (msg_file_t file, msg_host_t host, const char* fullpath)
{
/* Find the host where the file is physically located and read it */
- msg_storage_t storage_src = static_cast<msg_storage_t>(xbt_lib_get_elm_or_null(storage_lib, file->storageId));
- msg_storage_priv_t storage_priv_src = MSG_storage_priv(storage_src);
- msg_host_t attached_host = MSG_host_by_name(storage_priv_src->hostname);
+ msg_storage_t storage_src = simgrid::s4u::Storage::byName(file->storageId);
+ msg_host_t src_host = storage_src->getHost();
MSG_file_seek(file, 0, SEEK_SET);
- sg_size_t read_size = simcall_file_read(file->simdata->smx_file, file->size, attached_host);
+ sg_size_t read_size = file->read(file->size());
- /* Find the real host destination where the file will be physically stored */
- xbt_dict_cursor_t cursor = nullptr;
+ /* Find the host that owns the storage where the file has to be copied */
msg_storage_t storage_dest = nullptr;
- msg_host_t host_dest;
+ msg_host_t dst_host;
size_t longest_prefix_length = 0;
- xbt_dict_t storage_list = host->mountedStoragesAsDict();
- char *mount_name;
- char *storage_name;
- xbt_dict_foreach(storage_list,cursor,mount_name,storage_name){
- char* file_mount_name = static_cast<char*>(xbt_malloc(strlen(mount_name) + 1));
- strncpy(file_mount_name, fullpath, strlen(mount_name) + 1);
- file_mount_name[strlen(mount_name)] = '\0';
-
- if (!strcmp(file_mount_name, mount_name) && strlen(mount_name) > longest_prefix_length) {
+ for (auto const& elm : host->getMountedStorages()) {
+ std::string mount_point = std::string(fullpath).substr(0, elm.first.size());
+ if (mount_point == elm.first && elm.first.length() > longest_prefix_length) {
/* The current mount name is found in the full path and is bigger than the previous*/
- longest_prefix_length = strlen(mount_name);
- storage_dest = (msg_storage_t)xbt_lib_get_elm_or_null(storage_lib, storage_name);
+ longest_prefix_length = elm.first.length();
+ storage_dest = elm.second;
}
- xbt_free(file_mount_name);
}
- xbt_dict_free(&storage_list);
- char* host_name_dest = nullptr;
- if(longest_prefix_length>0){
+ if (storage_dest != nullptr) {
/* Mount point found, retrieve the host the storage is attached to */
- msg_storage_priv_t storage_dest_priv = MSG_storage_priv(storage_dest);
- host_name_dest = (char*)storage_dest_priv->hostname;
- host_dest = MSG_host_by_name(host_name_dest);
+ dst_host = storage_dest->getHost();
}else{
- XBT_WARN("Can't find mount point for '%s' on destination host '%s'", fullpath, host->cname());
+ XBT_WARN("Can't find mount point for '%s' on destination host '%s'", fullpath, host->getCname());
return MSG_TASK_CANCELED;
}
- XBT_DEBUG("Initiate data transfer of %llu bytes between %s and %s.", read_size, storage_priv_src->hostname,
- host_name_dest);
- msg_host_t m_host_list[] = {attached_host, host_dest};
+ XBT_DEBUG("Initiate data transfer of %llu bytes between %s and %s.", read_size, src_host->getCname(),
+ storage_dest->getHost()->getCname());
+ msg_host_t m_host_list[] = {src_host, dst_host};
double flops_amount[] = {0, 0};
double bytes_amount[] = {0, static_cast<double>(read_size), 0, 0};
msg_task_t task =
MSG_parallel_task_create("file transfer for write", 2, m_host_list, flops_amount, bytes_amount, nullptr);
- msg_error_t transfer = MSG_parallel_task_execute(task);
+ msg_error_t err = MSG_parallel_task_execute(task);
MSG_task_destroy(task);
- if(transfer != MSG_OK){
- if (transfer == MSG_HOST_FAILURE)
- XBT_WARN("Transfer error, %s remote host just turned off!", host_name_dest);
- if (transfer == MSG_TASK_CANCELED)
+ if (err != MSG_OK) {
+ if (err == MSG_HOST_FAILURE)
+ XBT_WARN("Transfer error, %s remote host just turned off!", storage_dest->getHost()->getCname());
+ if (err == MSG_TASK_CANCELED)
XBT_WARN("Transfer error, task has been canceled!");
- return transfer;
+ return err;
}
/* Create file on remote host, write it and close it */
- smx_file_t smx_file = simcall_file_open(fullpath, host_dest);
- simcall_file_write(smx_file, read_size, host_dest);
- simcall_file_close(smx_file, host_dest);
+ msg_file_t fd = new simgrid::s4u::File(fullpath, dst_host, nullptr);
+ fd->write(read_size);
+ delete fd;
return MSG_OK;
}
return res;
}
-/**
- * \brief Destroys a file (internal call only)
- */
-void __MSG_file_destroy(msg_file_t file)
-{
- xbt_free(file->fullpath);
- xbt_free(file->simdata);
- xbt_free(file);
-}
-
/********************************* Storage **************************************/
/** @addtogroup msg_storage_management
* (#msg_storage_t) and the functions for managing it.
*/
-msg_storage_t __MSG_storage_create(smx_storage_t storage)
-{
- msg_storage_priv_t storage_private = xbt_new0(s_msg_storage_priv_t, 1);
-
- storage_private->name = surf_storage_get_name(storage);
- storage_private->hostname = surf_storage_get_host(storage);
- storage_private->size = surf_storage_get_size(storage);
-
- xbt_lib_set(storage_lib, storage_private->name, MSG_STORAGE_LEVEL, storage_private);
- return xbt_lib_get_elm_or_null(storage_lib, storage_private->name);
-}
-
-/**
- * \brief Destroys a storage (internal call only)
- */
-void __MSG_storage_destroy(msg_storage_priv_t storage) {
- free(storage);
-}
-
/** \ingroup msg_storage_management
*
* \brief Returns the name of the #msg_storage_t.
*
* This functions checks whether a storage is a valid pointer or not and return its name.
*/
-const char *MSG_storage_get_name(msg_storage_t storage) {
+const char* MSG_storage_get_name(msg_storage_t storage)
+{
xbt_assert((storage != nullptr), "Invalid parameters");
- msg_storage_priv_t priv = MSG_storage_priv(storage);
- return priv->name;
+ return storage->getCname();
}
/** \ingroup msg_storage_management
* \param storage a storage
* \return the free space size of the storage element (as a #sg_size_t)
*/
-sg_size_t MSG_storage_get_free_size(msg_storage_t storage){
- return simgrid::simix::kernelImmediate([storage] { return surf_storage_resource_priv(storage)->getFreeSize(); });
+sg_size_t MSG_storage_get_free_size(msg_storage_t storage)
+{
+ return storage->getSizeFree();
}
/** \ingroup msg_storage_management
* \param storage a storage
* \return the used space size of the storage element (as a #sg_size_t)
*/
-sg_size_t MSG_storage_get_used_size(msg_storage_t storage){
- return simgrid::simix::kernelImmediate([storage] { return surf_storage_resource_priv(storage)->getUsedSize(); });
+sg_size_t MSG_storage_get_used_size(msg_storage_t storage)
+{
+ return storage->getSizeUsed();
}
/** \ingroup msg_storage_management
xbt_dict_t MSG_storage_get_properties(msg_storage_t storage)
{
xbt_assert((storage != nullptr), "Invalid parameters (storage is nullptr)");
- return (simcall_storage_get_properties(storage));
+ xbt_dict_t as_dict = xbt_dict_new_homogeneous(xbt_free_f);
+ std::map<std::string, std::string>* props = storage->getProperties();
+ if (props == nullptr)
+ return nullptr;
+ for (auto const& elm : *props) {
+ xbt_dict_set(as_dict, elm.first.c_str(), xbt_strdup(elm.second.c_str()), nullptr);
+ }
+ return as_dict;
}
/** \ingroup msg_storage_management
*/
void MSG_storage_set_property_value(msg_storage_t storage, const char* name, char* value)
{
- xbt_dict_set(MSG_storage_get_properties(storage), name, value, nullptr);
+ storage->setProperty(name, value);
}
/** \ingroup m_storage_management
*/
const char *MSG_storage_get_property_value(msg_storage_t storage, const char *name)
{
- return static_cast<char*>(xbt_dict_get_or_null(MSG_storage_get_properties(storage), name));
+ return storage->getProperty(name);
}
/** \ingroup msg_storage_management
*/
msg_storage_t MSG_storage_get_by_name(const char *name)
{
- return static_cast<msg_storage_t>(xbt_lib_get_elm_or_null(storage_lib,name));
+ return simgrid::s4u::Storage::byName(name);
}
/** \ingroup msg_storage_management
* \brief Returns a dynar containing all the storage elements declared at a given point of time
*/
-xbt_dynar_t MSG_storages_as_dynar() {
- xbt_lib_cursor_t cursor;
- char *key;
- void **data;
+xbt_dynar_t MSG_storages_as_dynar()
+{
+ std::map<std::string, simgrid::s4u::Storage*>* storage_map = simgrid::s4u::allStorages();
xbt_dynar_t res = xbt_dynar_new(sizeof(msg_storage_t),nullptr);
-
- xbt_lib_foreach(storage_lib, cursor, key, data) {
- if(xbt_lib_get_level(xbt_lib_get_elm_or_null(storage_lib, key), MSG_STORAGE_LEVEL) != nullptr) {
- xbt_dictelm_t elm = xbt_dict_cursor_get_elm(cursor);
- xbt_dynar_push(res, &elm);
- }
- }
+ for (auto const& s : *storage_map)
+ xbt_dynar_push(res, &(s.second));
+ delete storage_map;
return res;
}
*/
msg_error_t MSG_storage_set_data(msg_storage_t storage, void *data)
{
- msg_storage_priv_t priv = MSG_storage_priv(storage);
- priv->data = data;
+ storage->setUserdata(data);
return MSG_OK;
}
void *MSG_storage_get_data(msg_storage_t storage)
{
xbt_assert((storage != nullptr), "Invalid parameters");
- msg_storage_priv_t priv = MSG_storage_priv(storage);
- return priv->data;
+ return storage->getUserdata();
}
/** \ingroup msg_storage_management
*/
xbt_dict_t MSG_storage_get_content(msg_storage_t storage)
{
- std::map<std::string, sg_size_t*>* content =
- simgrid::simix::kernelImmediate([storage] { return surf_storage_resource_priv(storage)->getContent(); });
- xbt_dict_t content_dict = xbt_dict_new_homogeneous(nullptr);
-
- for (auto entry : *content) {
- xbt_dict_set(content_dict, entry.first.c_str(), entry.second, nullptr);
+ std::map<std::string, sg_size_t>* content = storage->getContent();
+ // Note: ::operator delete is ok here (no destructor called) since the dict elements are of POD type sg_size_t.
+ xbt_dict_t content_as_dict = xbt_dict_new_homogeneous(::operator delete);
+
+ for (auto const& entry : *content) {
+ sg_size_t* psize = new sg_size_t;
+ *psize = entry.second;
+ xbt_dict_set(content_as_dict, entry.first.c_str(), psize, nullptr);
}
- return content_dict;
+ return content_as_dict;
}
/** \ingroup msg_storage_management
*/
sg_size_t MSG_storage_get_size(msg_storage_t storage)
{
- msg_storage_priv_t priv = MSG_storage_priv(storage);
- return priv->size;
+ return storage->getSize();
}
/** \ingroup msg_storage_management
*
* This functions checks whether a storage is a valid pointer or not and return its name.
*/
-const char *MSG_storage_get_host(msg_storage_t storage) {
+const char* MSG_storage_get_host(msg_storage_t storage)
+{
xbt_assert((storage != nullptr), "Invalid parameters");
- msg_storage_priv_t priv = MSG_storage_priv(storage);
- return priv->hostname;
+ return storage->getHost()->getCname();
+}
}
-
-SG_END_DECL()