+++ /dev/null
-/* Copyright (c) 2009-2021. 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/s4u/Activity.hpp"
-#include "simgrid/s4u/Comm.hpp"
-#include "simgrid/s4u/Engine.hpp"
-#include "simgrid/s4u/Exec.hpp"
-#include "src/internal_config.h"
-#include "xbt/file.hpp"
-#include <algorithm>
-#include <cstring>
-#include <unordered_map>
-#include <vector>
-
-#if HAVE_GRAPHVIZ
-#include <graphviz/cgraph.h>
-
-XBT_LOG_NEW_DEFAULT_CATEGORY(dotparse, "Parsing DOT files");
-
-namespace simgrid {
-namespace s4u {
-
-std::vector<ActivityPtr> create_DAG_from_dot(const std::string& filename)
-{
- FILE* in_file = fopen(filename.c_str(), "r");
- xbt_assert(in_file != nullptr, "Failed to open file: %s", filename.c_str());
-
- Agraph_t* dag_dot = agread(in_file, NIL(Agdisc_t*));
-
- std::unordered_map<std::string, ActivityPtr> activities;
- std::vector<ActivityPtr> dag;
-
- ActivityPtr root;
- ActivityPtr end;
- ActivityPtr act;
- /* Create all the nodes */
- Agnode_t* node = nullptr;
- for (node = agfstnode(dag_dot); node; node = agnxtnode(dag_dot, node)) {
- char* name = agnameof(node);
- double amount = atof(agget(node, (char*)"size"));
-
- if (activities.find(name) == activities.end()) {
- XBT_DEBUG("See <Exec id = %s amount = %.0f>", name, amount);
- act = Exec::init()->set_name(name)->set_flops_amount(amount)->vetoable_start();
- activities.insert({std::string(name), act});
- if (strcmp(name, "root") && strcmp(name, "end"))
- dag.push_back(act);
- } else {
- XBT_WARN("Exec '%s' is defined more than once", name);
- }
- }
- /*Check if 'root' and 'end' nodes have been explicitly declared. If not, create them. */
- if (activities.find("root") == activities.end())
- root = Exec::init()->set_name("root")->set_flops_amount(0)->vetoable_start();
- else
- root = activities.at("root");
-
- if (activities.find("end") == activities.end())
- end = Exec::init()->set_name("end")->set_flops_amount(0)->vetoable_start();
- else
- end = activities.at("end");
-
- /* Create edges */
- std::vector<Agedge_t*> edges;
- for (node = agfstnode(dag_dot); node; node = agnxtnode(dag_dot, node)) {
- edges.clear();
- for (Agedge_t* edge = agfstout(dag_dot, node); edge; edge = agnxtout(dag_dot, edge))
- edges.push_back(edge);
-
- /* Be sure edges are sorted */
- std::sort(edges.begin(), edges.end(), [](const Agedge_t* a, const Agedge_t* b) { return AGSEQ(a) < AGSEQ(b); });
-
- for (Agedge_t* edge : edges) {
- const char* src_name = agnameof(agtail(edge));
- const char* dst_name = agnameof(aghead(edge));
- double size = atof(agget(edge, (char*)"size"));
-
- ActivityPtr src = activities.at(src_name);
- ActivityPtr dst = activities.at(dst_name);
- if (size > 0) {
- std::string name = std::string(src_name) + "->" + dst_name;
- XBT_DEBUG("See <Comm id=%s amount = %.0f>", name.c_str(), size);
- if (activities.find(name) == activities.end()) {
- act = Comm::sendto_init()->set_name(name)->set_payload_size(size)->vetoable_start();
- src->add_successor(act);
- act->add_successor(dst);
- activities.insert({name, act});
- dag.push_back(act);
- } else {
- XBT_WARN("Comm '%s' is defined more than once", name.c_str());
- }
- } else {
- src->add_successor(dst);
- }
- }
- }
-
- XBT_DEBUG("All activities have been created, put %s at the beginning and %s at the end", root->get_cname(),
- end->get_cname());
- dag.insert(dag.begin(), root);
- dag.push_back(end);
-
- /* Connect entry tasks to 'root', and exit tasks to 'end'*/
- for (const auto& a : dag) {
- if (a->dependencies_solved() && a != root) {
- XBT_DEBUG("Activity '%s' has no dependencies. Add dependency from 'root'", a->get_cname());
- root->add_successor(a);
- }
-
- if (a->is_waited_by() == 0 && a != end) {
- XBT_DEBUG("Activity '%s' has no successors. Add dependency to 'end'", a->get_cname());
- a->add_successor(end);
- }
- }
- agclose(dag_dot);
- fclose(in_file);
-
- if (not check_for_cycle(dag)) {
- std::string base = simgrid::xbt::Path(filename).get_base_name();
- XBT_ERROR("The DOT described in %s is not a DAG. It contains a cycle.", base.c_str());
- for (const auto& a : dag)
- a->destroy();
- dag.clear();
- }
-
- return dag;
-}
-
-} // namespace s4u
-} // namespace simgrid
-
-#else
-namespace simgrid {
-namespace s4u {
-std::vector<ActivityPtr> create_DAG_from_dot(const std::string& filename)
-{
- xbt_die("create_DAG_from_dot() is not usable because graphviz was not found.\n"
- "Please install graphviz, graphviz-dev, and libgraphviz-dev (and erase CMakeCache.txt) before recompiling.");
-}
-} // namespace s4u
-} // namespace simgrid
-
-#endif
