-/* Copyright (c) 2004-2015. The SimGrid Team.
- * All rights reserved. */
+/* Copyright (c) 2004-2017. 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 <simgrid/s4u/host.hpp>
-
-#include "msg_private.h"
-#include "xbt/log.h"
+#include "../surf/StorageImpl.hpp"
+#include "simgrid/s4u/File.hpp"
+#include "simgrid/s4u/Host.hpp"
+#include "simgrid/s4u/Storage.hpp"
+#include "src/msg/msg_private.h"
+#include <numeric>
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(msg_io, msg, "Logging specific to MSG (io)");
+SG_BEGIN_DECL()
+
/** @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){
-
- msg_file_priv_t priv = MSG_file_priv(fd);
- xbt_dynar_t info = simcall_file_get_info(priv->simdata->smx_file);
- sg_size_t *psize;
-
- priv->content_type = xbt_dynar_pop_as(info, char *);
- priv->storage_type = xbt_dynar_pop_as(info, char *);
- priv->storageId = xbt_dynar_pop_as(info, char *);
- priv->mount_point = xbt_dynar_pop_as(info, char *);
- psize = xbt_dynar_pop_as(info, sg_size_t*);
- priv->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>();
+ if (priv->file_descriptor_table == nullptr) {
+ 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(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;
+}
+
+static void MSG_host_release_file_descriptor_id(msg_host_t host, int id)
+{
+ host->extension<simgrid::MsgHostExt>()->file_descriptor_table->push_back(id);
}
/** \ingroup msg_file
*/
msg_error_t MSG_file_set_data(msg_file_t fd, void *data)
{
- msg_file_priv_t priv = MSG_file_priv(fd);
- priv->data = data;
+ fd->setUserdata(data);
return MSG_OK;
}
*/
void *MSG_file_get_data(msg_file_t fd)
{
- msg_file_priv_t priv = MSG_file_priv(fd);
- return priv->data;
+ return fd->userdata();
}
/** \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);
-
- msg_file_priv_t priv = MSG_file_priv(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",
- priv->fullpath, priv->size, priv->mount_point,
- priv->storageId, priv->storage_type,
- priv->content_type, priv->desc_id);
+ fd->path(), fd->size(), fd->mount_point, fd->storageId, fd->storage_type, fd->desc_id);
}
/** \ingroup msg_file
*/
sg_size_t MSG_file_read(msg_file_t fd, sg_size_t size)
{
- msg_file_priv_t file_priv = MSG_file_priv(fd);
sg_size_t read_size;
+ 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 =(msg_storage_t) xbt_lib_get_elm_or_null(storage_lib, file_priv->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(file_priv->simdata->smx_file, size, attached_host);
+ msg_storage_t storage_src = simgrid::s4u::Storage::byName(fd->storageId);
+ msg_host_t attached_host = MSG_host_by_name(storage_src->host());
+ read_size = fd->read(size); // TODO re-add attached_host;
- if(strcmp(storage_priv_src->hostname, MSG_host_get_name(MSG_host_self()))){
+ if (strcmp(attached_host->cname(), MSG_host_self()->cname())) {
/* 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);
- msg_host_t *m_host_list = nullptr;
- m_host_list = (msg_host_t*) calloc(2, sizeof(msg_host_t));
-
- m_host_list[0] = MSG_host_self();
- m_host_list[1] = attached_host;
- double flops_amount[] = { 0, 0 };
- double bytes_amount[] = { 0, 0, (double)read_size, 0 };
+ XBT_DEBUG("File is on %s remote host, initiate data transfer of %llu bytes.", attached_host->cname(), 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};
msg_task_t task = MSG_parallel_task_create("file transfer for read", 2, m_host_list, flops_amount, bytes_amount,
nullptr);
msg_error_t transfer = MSG_parallel_task_execute(task);
MSG_task_destroy(task);
- free(m_host_list);
+
if(transfer != MSG_OK){
if (transfer == MSG_HOST_FAILURE)
- XBT_WARN("Transfer error, %s remote host just turned off!", MSG_host_get_name(attached_host));
+ XBT_WARN("Transfer error, %s remote host just turned off!", attached_host->cname());
if (transfer == MSG_TASK_CANCELED)
XBT_WARN("Transfer error, task has been canceled!");
*/
sg_size_t MSG_file_write(msg_file_t fd, sg_size_t size)
{
- msg_file_priv_t file_priv = MSG_file_priv(fd);
+ if (size == 0) /* Nothing to write, return */
+ return 0;
/* Find the host where the file is physically located (remote or local)*/
- msg_storage_t storage_src =(msg_storage_t) xbt_lib_get_elm_or_null(storage_lib, file_priv->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 = MSG_host_by_name(storage_src->host());
- if(strcmp(storage_priv_src->hostname, MSG_host_get_name(MSG_host_self()))){
+ if (strcmp(attached_host->cname(), MSG_host_self()->cname())) {
/* 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);
- msg_host_t *m_host_list = nullptr;
- m_host_list = (msg_host_t*) calloc(2, sizeof(msg_host_t));
-
- m_host_list[0] = MSG_host_self();
- m_host_list[1] = attached_host;
- double flops_amount[] = { 0, 0 };
- double bytes_amount[] = { 0, (double)size, 0, 0 };
+ XBT_DEBUG("File is on %s remote host, initiate data transfer of %llu bytes.", attached_host->cname(), 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};
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_task_destroy(task);
- free(m_host_list);
+
if(transfer != MSG_OK){
if (transfer == MSG_HOST_FAILURE)
- XBT_WARN("Transfer error, %s remote host just turned off!", MSG_host_get_name(attached_host));
+ XBT_WARN("Transfer error, %s remote host just turned off!", attached_host->cname());
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(file_priv->simdata->smx_file);
- sg_size_t write_size = simcall_file_write(file_priv->simdata->smx_file, size, attached_host);
- file_priv->size = offset+write_size;
+ // sg_size_t offset = fd->tell();
+ sg_size_t write_size = fd->write(size); // TODO readd attached_host;
return write_size;
}
*/
msg_file_t MSG_file_open(const char* fullpath, void* data)
{
- char *name;
- msg_file_priv_t priv = xbt_new(s_msg_file_priv_t, 1);
- priv->data = data;
- priv->fullpath = xbt_strdup(fullpath);
- priv->simdata = xbt_new0(s_simdata_file_t,1);
- priv->simdata->smx_file = simcall_file_open(fullpath, MSG_host_self());
- priv->desc_id = __MSG_host_get_file_descriptor_id(MSG_host_self());
-
- name = bprintf("%s:%s:%d", priv->fullpath, MSG_host_get_name(MSG_host_self()), priv->desc_id);
-
- xbt_lib_set(file_lib, name, MSG_FILE_LEVEL, priv);
- msg_file_t fd = (msg_file_t) xbt_lib_get_elm_or_null(file_lib, name);
- __MSG_file_get_info(fd);
- xbt_free(name);
-
+ msg_file_t fd = new simgrid::s4u::File(fullpath, MSG_host_self());
+ fd->desc_id = MSG_host_get_file_descriptor_id(MSG_host_self());
return fd;
}
*/
int MSG_file_close(msg_file_t fd)
{
- char *name;
- msg_file_priv_t priv = MSG_file_priv(fd);
- if (priv->data)
- xbt_free(priv->data);
-
- int res = simcall_file_close(priv->simdata->smx_file, MSG_host_self());
- name = bprintf("%s:%s:%d", priv->fullpath, MSG_host_get_name(MSG_host_self()), priv->desc_id);
- __MSG_host_release_file_descriptor_id(MSG_host_self(), priv->desc_id);
- xbt_lib_unset(file_lib, name, MSG_FILE_LEVEL, 1);
- xbt_free(name);
- return res;
+ delete fd;
+
+ return MSG_OK;
}
/** \ingroup msg_file
*/
msg_error_t MSG_file_unlink(msg_file_t fd)
{
- msg_file_priv_t file_priv = MSG_file_priv(fd);
/* Find the host where the file is physically located (remote or local)*/
- msg_storage_t storage_src =
- (msg_storage_t) xbt_lib_get_elm_or_null(storage_lib, file_priv->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(file_priv->simdata->smx_file, attached_host);
- return (msg_error_t) res;
+ // msg_storage_t storage_src = simgrid::s4u::Storage::byName(fd->storageId);
+ // msg_host_t attached_host = MSG_host_by_name(storage_src->host());
+ fd->unlink(); // simcall_file_unlink(fd->simdata->smx_file, attached_host);
+ return MSG_OK;
}
/** \ingroup msg_file
* \return the size of the file (as a #sg_size_t)
*/
sg_size_t MSG_file_get_size(msg_file_t fd){
- msg_file_priv_t priv = MSG_file_priv(fd);
- return simcall_file_get_size(priv->simdata->smx_file);
+ return fd->size();
}
/**
*/
msg_error_t MSG_file_seek(msg_file_t fd, sg_offset_t offset, int origin)
{
- msg_file_priv_t priv = MSG_file_priv(fd);
- return (msg_error_t) simcall_file_seek(priv->simdata->smx_file, offset, origin);
+ fd->seek(offset); // TODO re-add origin
+ return MSG_OK;
}
/**
*/
sg_size_t MSG_file_tell(msg_file_t fd)
{
- msg_file_priv_t priv = MSG_file_priv(fd);
- return simcall_file_tell(priv->simdata->smx_file);
+ return fd->tell();
}
const char *MSG_file_get_name(msg_file_t fd) {
xbt_assert((fd != nullptr), "Invalid parameters");
- msg_file_priv_t priv = MSG_file_priv(fd);
- return priv->fullpath;
+ return fd->path();
}
/**
*/
msg_error_t MSG_file_move (msg_file_t fd, const char* fullpath)
{
- msg_file_priv_t priv = MSG_file_priv(fd);
- return (msg_error_t) simcall_file_move(priv->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)
{
- msg_file_priv_t file_priv = MSG_file_priv(file);
- sg_size_t read_size;
-
/* Find the host where the file is physically located and read it */
- msg_storage_t storage_src =(msg_storage_t) xbt_lib_get_elm_or_null(storage_lib, file_priv->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 attached_host = MSG_host_by_name(storage_src->host());
MSG_file_seek(file, 0, SEEK_SET);
- read_size = simcall_file_read(file_priv->simdata->smx_file, file_priv->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;
+ xbt_dict_cursor_t cursor = nullptr;
msg_storage_t storage_dest = nullptr;
msg_host_t host_dest;
size_t longest_prefix_length = 0;
xbt_dict_t storage_list = host->mountedStoragesAsDict();
- char *mount_name, *storage_name;
+ char *mount_name;
+ char *storage_name;
xbt_dict_foreach(storage_list,cursor,mount_name,storage_name){
- char* file_mount_name = (char *) xbt_malloc ((strlen(mount_name)+1));
- strncpy(file_mount_name,fullpath,strlen(mount_name)+1);
+ 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){
+ if (not strcmp(file_mount_name, mount_name) && strlen(mount_name) > 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);
+ storage_dest = simgrid::s4u::Storage::byName(storage_name);
}
- free(file_mount_name);
+ xbt_free(file_mount_name);
}
xbt_dict_free(&storage_list);
- char* host_name_dest = nullptr;
if(longest_prefix_length>0){
/* 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);
+ host_dest = MSG_host_by_name(storage_dest->host());
}else{
- XBT_WARN("Can't find mount point for '%s' on destination host '%s'", fullpath, sg_host_get_name(host));
+ XBT_WARN("Can't find mount point for '%s' on destination host '%s'", fullpath, host->cname());
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 = nullptr;
- m_host_list = (msg_host_t*) calloc(2, sizeof(msg_host_t));
-
- m_host_list[0] = attached_host;
- m_host_list[1] = host_dest;
- double flops_amount[] = { 0, 0 };
- double bytes_amount[] = { 0, (double)read_size, 0, 0 };
+ XBT_DEBUG("Initiate data transfer of %llu bytes between %s and %s.", read_size, attached_host->cname(),
+ storage_dest->host());
+ msg_host_t m_host_list[] = {attached_host, host_dest};
+ 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_task_destroy(task);
- free(m_host_list);
+
if(transfer != MSG_OK){
if (transfer == MSG_HOST_FAILURE)
- XBT_WARN("Transfer error, %s remote host just turned off!", host_name_dest);
+ XBT_WARN("Transfer error, %s remote host just turned off!", storage_dest->host());
if (transfer == MSG_TASK_CANCELED)
XBT_WARN("Transfer error, task has been canceled!");
- return (msg_error_t) -1;
+ return transfer;
}
/* Create file on remote host, write it and close it */
return res;
}
-/**
- * \brief Destroys a file (internal call only)
- */
-void __MSG_file_destroy(msg_file_priv_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)
-{
- const char *name = SIMIX_storage_get_name(storage);
- const char *host = SIMIX_storage_get_host(storage);
- msg_storage_priv_t storage_private = xbt_new0(s_msg_storage_priv_t, 1);
- storage_private->hostname = host;
- xbt_lib_set(storage_lib,name,MSG_STORAGE_LEVEL,storage_private);
- return xbt_lib_get_elm_or_null(storage_lib, 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.
*/
const char *MSG_storage_get_name(msg_storage_t storage) {
xbt_assert((storage != nullptr), "Invalid parameters");
- return SIMIX_storage_get_name(storage);
+ return storage->name();
}
/** \ingroup msg_storage_management
* \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 simcall_storage_get_free_size(storage);
+ return storage->sizeFree();
}
/** \ingroup msg_storage_management
* \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 simcall_storage_get_used_size(storage);
+ return storage->sizeUsed();
}
/** \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));
+ return storage->properties();
}
/** \ingroup msg_storage_management
* \param storage a storage
* \param name a property name
* \param value what to change the property to
- * \param free_ctn the freeing function to use to kill the value on need
*/
-void MSG_storage_set_property_value(msg_storage_t storage, const char *name, char *value,void_f_pvoid_t free_ctn) {
- xbt_dict_set(MSG_storage_get_properties(storage), name, value,free_ctn);
+void MSG_storage_set_property_value(msg_storage_t storage, const char* name, char* value)
+{
+ storage->setProperty(name, value);
}
/** \ingroup m_storage_management
*/
const char *MSG_storage_get_property_value(msg_storage_t storage, const char *name)
{
- return (char*) xbt_dict_get_or_null(MSG_storage_get_properties(storage), name);
+ return storage->property(name);
}
/** \ingroup msg_storage_management
*/
msg_storage_t MSG_storage_get_by_name(const char *name)
{
- return (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(void) {
- xbt_lib_cursor_t cursor;
- char *key;
- void **data;
+xbt_dynar_t MSG_storages_as_dynar() {
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 s : *simgrid::s4u::allStorages()) {
+ xbt_dynar_push(res, &(s.second));
}
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->userdata();
}
/** \ingroup msg_storage_management
*/
xbt_dict_t MSG_storage_get_content(msg_storage_t storage)
{
- return SIMIX_storage_get_content(storage);
+ std::map<std::string, sg_size_t*>* content = storage->content();
+ 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);
+ }
+ return content_dict;
}
/** \ingroup msg_storage_management
*/
sg_size_t MSG_storage_get_size(msg_storage_t storage)
{
- return SIMIX_storage_get_size(storage);
+ return storage->size();
}
/** \ingroup msg_storage_management
*/
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->host();
}
+
+SG_END_DECL()