-/* Copyright (c) 2009-2016. The SimGrid Team.
+/* Copyright (c) 2009-2017. 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 "simdag_private.hpp"
#include "simgrid/simdag.h"
-#include "xbt/misc.h"
+#include "xbt/file.hpp"
#include "xbt/log.h"
-#include "xbt/str.h"
-#include "xbt/file.h" /* xbt_basename() */
-#include "simdag_private.hpp"
+#include "xbt/misc.h"
+#include <map>
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(sd_daxparse, sd, "Parsing DAX files");
extern "C" {
-#undef CLEANUP
#include "dax_dtd.h"
-#define register /* g++ don't like register, so don't say it */
#include "dax_dtd.c"
-#undef register
+}
+
+/* Ensure that transfer tasks have unique names even though a file is used several times */
+void uniq_transfer_task_name(SD_task_t task)
+{
+ SD_task_t child = *(task->successors->begin());
+ SD_task_t parent = *(task->predecessors->begin());
+
+ std::string new_name =
+ std::string(SD_task_get_name(parent)) + "_" + SD_task_get_name(task) + "_" + SD_task_get_name(child);
+
+ SD_task_set_name(task, new_name.c_str());
}
static bool children_are_marked(SD_task_t task){
- for (SD_task_t it : *task->successors)
+ for (SD_task_t const& it : *task->successors)
if (it->marked == 0)
return false;
- for (SD_task_t it : *task->outputs)
+ for (SD_task_t const& it : *task->outputs)
if (it->marked == 0)
return false;
return true;
}
static bool parents_are_marked(SD_task_t task){
- for (SD_task_t it : *task->predecessors)
+ for (SD_task_t const& it : *task->predecessors)
if (it->marked == 0)
return false;
- for (SD_task_t it : *task->inputs)
+ for (SD_task_t const& it : *task->inputs)
if (it->marked == 0)
return false;
return true;
current.push_back(task);
}
}
- while(!current.empty()){
+ while (not current.empty()) {
std::vector<SD_task_t> next;
- for (auto t: current){
+ for (auto const& t : current) {
//Mark task
t->marked = 1;
- for (SD_task_t input : *t->inputs){
+ for (SD_task_t const& input : *t->inputs) {
input->marked=1;
// Inputs are communication, hence they can have only one predecessor
SD_task_t input_pred = *(input->predecessors->begin());
if (children_are_marked(input_pred))
next.push_back(input_pred);
}
- for (SD_task_t pred : *t->predecessors) {
+ for (SD_task_t const& pred : *t->predecessors) {
if (children_are_marked(pred))
next.push_back(pred);
}
//test if all tasks are marked
xbt_dynar_foreach(dag,count,task){
if(task->kind != SD_TASK_COMM_E2E && task->marked == 0){
- XBT_WARN("the task %s is not marked",task->name.c_str());
+ XBT_WARN("the task %s is not marked",task->name);
all_marked = false;
break;
}
}
- if(!all_marked){
+ if (not all_marked) {
XBT_VERB("there is at least one cycle in your task graph");
xbt_dynar_foreach(dag,count,task){
if(task->kind != SD_TASK_COMM_E2E && task->predecessors->empty() && task->inputs->empty()){
- task->marked = 1;
- current.push_back(task);
+ task->marked = 1;
+ current.push_back(task);
}
}
//test if something has to be done for the next iteration
- while(!current.empty()){
+ while (not current.empty()) {
std::vector<SD_task_t> next;
//test if the current iteration is done
- for (auto t: current){
+ for (auto const& t : current) {
t->marked = 1;
- for (SD_task_t output : *t->outputs) {
+ for (SD_task_t const& output : *t->outputs) {
output->marked = 1;
// outputs are communication, hence they can have only one successor
SD_task_t output_succ = *(output->successors->begin());
if (parents_are_marked(output_succ))
next.push_back(output_succ);
}
- for (SD_task_t succ : *t->successors) {
+ for (SD_task_t const& succ : *t->successors) {
if (parents_are_marked(succ))
next.push_back(succ);
}
- current.clear();
- current = next;
}
+ current.clear();
+ current = next;
}
all_marked = true;
xbt_dynar_foreach(dag,count,task){
if(task->kind != SD_TASK_COMM_E2E && task->marked == 0){
- XBT_WARN("the task %s is in a cycle",task->name.c_str());
+ XBT_WARN("the task %s is in a cycle",task->name);
all_marked = false;
}
}
static YY_BUFFER_STATE input_buffer;
static xbt_dynar_t result;
-static xbt_dict_t files;
-static xbt_dict_t jobs;
+static std::map<std::string, SD_task_t> jobs;
+static std::map<std::string, SD_task_t> files;
static SD_task_t current_job;
+static SD_task_t root_task;
+static SD_task_t end_task;
static void dax_task_free(void *task)
{
}
/** @brief loads a DAX file describing a DAG
- *
+ *
* See https://confluence.pegasus.isi.edu/display/pegasus/WorkflowGenerator for more details.
*/
xbt_dynar_t SD_daxload(const char *filename)
{
- xbt_dict_cursor_t cursor;
SD_task_t file;
- char *name;
- FILE *in_file = fopen(filename, "r");
+ FILE* in_file = fopen(filename, "r");
xbt_assert(in_file, "Unable to open \"%s\"\n", filename);
input_buffer = dax__create_buffer(in_file, 10);
dax__switch_to_buffer(input_buffer);
dax_lineno = 1;
result = xbt_dynar_new(sizeof(SD_task_t), dax_task_free);
- files = xbt_dict_new_homogeneous(&dax_task_free);
- jobs = xbt_dict_new_homogeneous(nullptr);
- SD_task_t root_task = SD_task_create_comp_seq("root", nullptr, 0);
+ root_task = SD_task_create_comp_seq("root", nullptr, 0);
/* by design the root task is always SCHEDULABLE */
SD_task_set_state(root_task, SD_SCHEDULABLE);
xbt_dynar_push(result, &root_task);
- SD_task_t end_task = SD_task_create_comp_seq("end", nullptr, 0);
+ end_task = SD_task_create_comp_seq("end", nullptr, 0);
int res = dax_lex();
if (res != 0)
dax__delete_buffer(input_buffer);
fclose(in_file);
dax_lex_destroy();
- xbt_dict_free(&jobs);
/* And now, post-process the files.
* We want a file task per pair of computation tasks exchanging the file. Duplicate on need
* Files not consumed in the system are said to be consumed by end task (bottom of DAG).
*/
- xbt_dict_foreach(files, cursor, name, file) {
+ for (auto const& elm : files) {
+ file = elm.second;
SD_task_t newfile;
if (file->predecessors->empty()) {
- for (SD_task_t it : *file->successors) {
- newfile = SD_task_create_comm_e2e(file->name.c_str(), nullptr, file->amount);
+ for (SD_task_t const& it : *file->successors) {
+ newfile = SD_task_create_comm_e2e(file->name, nullptr, file->amount);
SD_task_dependency_add(nullptr, nullptr, root_task, newfile);
SD_task_dependency_add(nullptr, nullptr, newfile, it);
xbt_dynar_push(result, &newfile);
}
} else if (file->successors->empty()) {
- for (SD_task_t it : *file->predecessors){
- newfile = SD_task_create_comm_e2e(file->name.c_str(), nullptr, file->amount);
+ for (SD_task_t const& it : *file->predecessors) {
+ newfile = SD_task_create_comm_e2e(file->name, nullptr, file->amount);
SD_task_dependency_add(nullptr, nullptr, it, newfile);
SD_task_dependency_add(nullptr, nullptr, newfile, end_task);
xbt_dynar_push(result, &newfile);
}
} else {
- for (SD_task_t it : *file->predecessors) {
- for (SD_task_t it2 : *file->successors) {
+ for (SD_task_t const& it : *file->predecessors) {
+ for (SD_task_t const& it2 : *file->successors) {
if (it == it2) {
XBT_WARN ("File %s is produced and consumed by task %s."
- "This loop dependency will prevent the execution of the task.",
- file->name.c_str(), it->name.c_str());
+ "This loop dependency will prevent the execution of the task.", file->name, it->name);
}
- newfile = SD_task_create_comm_e2e(file->name.c_str(), nullptr, file->amount);
+ newfile = SD_task_create_comm_e2e(file->name, nullptr, file->amount);
SD_task_dependency_add(nullptr, nullptr, it, newfile);
SD_task_dependency_add(nullptr, nullptr, newfile, it2);
xbt_dynar_push(result, &newfile);
xbt_dynar_push(result, &end_task);
/* Free previous copy of the files */
- xbt_dict_free(&files);
+ for (auto const& elm : files)
+ SD_task_destroy(elm.second);
unsigned int cpt;
xbt_dynar_foreach(result, cpt, file) {
if (SD_task_get_kind(file) == SD_TASK_COMM_E2E) {
- /* Ensure that transfer tasks have unique names even though a file is used several times */
- file->name = std::string((*file->predecessors->begin())->name+ "_" + file->name + "_" +
- (*file->successors->begin())->name);
+ uniq_transfer_task_name(file);
} else if (SD_task_get_kind(file) == SD_TASK_COMP_SEQ){
/* If some tasks do not take files as input, connect them to the root
* if they don't produce files, connect them to the end node.
*/
- if ((file != root_task) && file->inputs->empty())
- SD_task_dependency_add(nullptr, nullptr, root_task, file);
- if ((file != end_task) && file->outputs->empty())
- SD_task_dependency_add(nullptr, nullptr, file, end_task);
+ if ((file != root_task) && (file != end_task)) {
+ if (file->inputs->empty())
+ SD_task_dependency_add(nullptr, nullptr, root_task, file);
+ if (file->outputs->empty())
+ SD_task_dependency_add(nullptr, nullptr, file, end_task);
+ }
} else {
- THROW_IMPOSSIBLE;
+ THROW_IMPOSSIBLE;
}
}
- if (!acyclic_graph_detail(result)) {
- char* base = xbt_basename(filename);
- XBT_ERROR("The DAX described in %s is not a DAG. It contains a cycle.", base);
- free(base);
+ if (not acyclic_graph_detail(result)) {
+ std::string base = simgrid::xbt::Path(filename).getBasename();
+ XBT_ERROR("The DAX described in %s is not a DAG. It contains a cycle.", base.c_str());
xbt_dynar_foreach(result, cpt, file)
SD_task_destroy(file);
xbt_dynar_free_container(&result);
void STag_dax__adag()
{
- double version = xbt_str_parse_double(A_dax__adag_version, "Parse error: %s is not a double");
-
- xbt_assert(version == 2.1, "Expected version 2.1 in <adag> tag, got %f. Fix the parser or your file", version);
+ try {
+ double version = std::stod(std::string(A_dax__adag_version));
+ xbt_assert(version == 2.1, "Expected version 2.1 in <adag> tag, got %f. Fix the parser or your file", version);
+ } catch (std::invalid_argument& ia) {
+ throw std::invalid_argument(std::string("Parse error: ") + A_dax__adag_version + " is not a double");
+ }
}
void STag_dax__job()
{
- double runtime = xbt_str_parse_double(A_dax__job_runtime, "Parse error: %s is not a double");
- std::string name = std::string(A_dax__job_id) +"@"+ std::string(A_dax__job_name);
- runtime *= 4200000000.; /* Assume that timings were done on a 4.2GFlops machine. I mean, why not? */
- XBT_DEBUG("See <job id=%s runtime=%s %.0f>",A_dax__job_id,A_dax__job_runtime,runtime);
- current_job = SD_task_create_comp_seq(name.c_str(), nullptr, runtime);
- xbt_dict_set(jobs, A_dax__job_id, current_job, nullptr);
- xbt_dynar_push(result, ¤t_job);
+ try {
+ double runtime = std::stod(std::string(A_dax__job_runtime));
+
+ std::string name = std::string(A_dax__job_id) + "@" + A_dax__job_name;
+ runtime *= 4200000000.; /* Assume that timings were done on a 4.2GFlops machine. I mean, why not? */
+ XBT_DEBUG("See <job id=%s runtime=%s %.0f>", A_dax__job_id, A_dax__job_runtime, runtime);
+ current_job = SD_task_create_comp_seq(name.c_str(), nullptr, runtime);
+ jobs.insert({A_dax__job_id, current_job});
+ xbt_dynar_push(result, ¤t_job);
+ } catch (std::invalid_argument& ia) {
+ throw std::invalid_argument(std::string("Parse error: ") + A_dax__job_runtime + " is not a double");
+ }
}
void STag_dax__uses()
{
- double size = xbt_str_parse_double(A_dax__uses_size, "Parse error: %s is not a double");
- int is_input = (A_dax__uses_link == A_dax__uses_link_input);
+ double size;
+ try {
+ size = std::stod(std::string(A_dax__uses_size));
+ } catch (std::invalid_argument& ia) {
+ throw std::invalid_argument(std::string("Parse error: ") + A_dax__uses_size + " is not a double");
+ }
+ bool is_input = (A_dax__uses_link == A_dax__uses_link_input);
XBT_DEBUG("See <uses file=%s %s>",A_dax__uses_file,(is_input?"in":"out"));
- SD_task_t file = static_cast<SD_task_t>(xbt_dict_get_or_null(files, A_dax__uses_file));
- if (file == nullptr) {
+ auto it = files.find(A_dax__uses_file);
+ SD_task_t file;
+ if (it == files.end()) {
file = SD_task_create_comm_e2e(A_dax__uses_file, nullptr, size);
sd_global->initial_tasks->erase(file);
- xbt_dict_set(files, A_dax__uses_file, file, nullptr);
+ files[A_dax__uses_file] = file;
} else {
+ file = it->second;
if (file->amount < size || file->amount > size) {
XBT_WARN("Ignore file %s size redefinition from %.0f to %.0f", A_dax__uses_file, SD_task_get_amount(file), size);
}
} else {
SD_task_dependency_add(nullptr, nullptr, current_job, file);
if ((file->predecessors->size() + file->inputs->size()) > 1) {
- XBT_WARN("File %s created at more than one location...", file->name.c_str());
+ XBT_WARN("File %s created at more than one location...", file->name);
}
}
}
static SD_task_t current_child;
void STag_dax__child()
{
- current_child = static_cast<SD_task_t>(xbt_dict_get_or_null(jobs, A_dax__child_ref));
- xbt_assert(current_child != nullptr,"Parse error on line %d: Asked to add dependencies to the non-existent %s task",
- dax_lineno, A_dax__child_ref);
+ auto job = jobs.find(A_dax__child_ref);
+ if (job != jobs.end()) {
+ current_child = job->second;
+ } else {
+ throw std::out_of_range(std::string("Parse error on line ") + std::to_string(dax_lineno) +
+ ": Asked to add dependencies to the non-existent " + A_dax__child_ref + "task");
+ }
}
void ETag_dax__child()
void STag_dax__parent()
{
- SD_task_t parent = static_cast<SD_task_t>(xbt_dict_get_or_null(jobs, A_dax__parent_ref));
- xbt_assert(parent != nullptr, "Parse error on line %d: Asked to add a dependency from %s to %s, but %s does not exist",
- dax_lineno, current_child->name.c_str(), A_dax__parent_ref, A_dax__parent_ref);
- SD_task_dependency_add(nullptr, nullptr, parent, current_child);
- XBT_DEBUG("Control-flow dependency from %s to %s", current_child->name.c_str(), parent->name.c_str());
+ auto job = jobs.find(A_dax__parent_ref);
+ if (job != jobs.end()) {
+ SD_task_t parent = job->second;
+ SD_task_dependency_add(nullptr, nullptr, parent, current_child);
+ XBT_DEBUG("Control-flow dependency from %s to %s", current_child->name, parent->name);
+ } else {
+ throw std::out_of_range(std::string("Parse error on line ") + std::to_string(dax_lineno) +
+ ": Asked to add a dependency from " + current_child->name + " to " + A_dax__parent_ref +
+ ", but " + A_dax__parent_ref + " does not exist");
+ }
}
void ETag_dax__adag()