-/* Copyright (c) 2009-2023. The SimGrid Team.
- * All rights reserved. */
+/* Copyright (c) 2009-2023. 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 "dax_dtd.h"
#include "dax_dtd.c"
+#if SIMGRID_HAVE_JSON
+// Disable implicit conversions. See https://github.com/nlohmann/json#implicit-conversions
+#ifdef JSON_USE_IMPLICIT_CONVERSIONS
+#undef JSON_USE_IMPLICIT_CONVERSIONS
+#endif
+#define JSON_USE_IMPLICIT_CONVERSIONS 0
#include <nlohmann/json.hpp>
+#include <sstream>
+#endif
#if HAVE_GRAPHVIZ
#include <graphviz/cgraph.h>
*/
std::vector<ActivityPtr> create_DAG_from_json(const std::string& filename)
{
+#if SIMGRID_HAVE_JSON
std::ifstream f(filename);
auto data = nlohmann::json::parse(f);
std::vector<ActivityPtr> dag = {};
- std::map<std::string, std::vector<ActivityPtr>> successors = {};
+ std::map<std::string, std::vector<ActivityPtr>, std::less<>> successors = {};
std::map<ActivityPtr, Host*> comms_destinations = {};
ActivityPtr current;
for (auto const& task: data["workflow"]["tasks"]) {
if (task["type"] == "compute") {
- current = Exec::init()->set_name(task["name"])->set_flops_amount(task["runtime"]);
+ current =
+ Exec::init()->set_name(task["name"].get<std::string>())->set_flops_amount(task["runtime"].get<double>());
if (task.contains("machine"))
- dynamic_cast<Exec*>(current.get())->set_host(simgrid::s4u::Engine::get_instance()->host_by_name(task["machine"]));
+ dynamic_cast<Exec*>(current.get())
+ ->set_host(simgrid::s4u::Engine::get_instance()->host_by_name(task["machine"].get<std::string>()));
}
else if (task["type"] == "transfer"){
- current = Comm::sendto_init()->set_name(task["name"])->set_payload_size(task["bytesWritten"]);
+ current = Comm::sendto_init()
+ ->set_name(task["name"].get<std::string>())
+ ->set_payload_size(task["bytesWritten"].get<double>());
if (task.contains("machine"))
- comms_destinations[current] = simgrid::s4u::Engine::get_instance()->host_by_name(task["machine"]);
+ comms_destinations[current] =
+ simgrid::s4u::Engine::get_instance()->host_by_name(task["machine"].get<std::string>());
if (task["parents"].size() == 1) {
ActivityPtr parent_activity;
for (auto const& activity: dag) {
else if (dynamic_cast<Comm*>(parent_activity.get()) != nullptr)
dynamic_cast<Comm*>(current.get())->set_source(dynamic_cast<Comm*>(parent_activity.get())->get_destination());
}
+ } else if (XBT_LOG_ISENABLED(dag_parsing, xbt_log_priority_debug)) {
+ std::stringstream ss;
+ ss << task["type"];
+ XBT_DEBUG("Task type \"%s\" not supported.", ss.str().c_str());
}
- else
- XBT_DEBUG("Task type \"%s\" not supported.", task["type"]);
dag.push_back(current);
- for (auto const& parent: task["parents"]) {
- auto it = successors.find(parent);
- if (it == successors.end())
- successors[parent] = {};
- successors[parent].push_back(current);
- }
+ for (auto const& parent : task["parents"])
+ successors[parent.get<std::string>()].push_back(current);
}
// Assign successors
for (auto const& [parent, successors_list] : successors)
activity->start();
}
return dag;
+#else
+ xbt_die("JSON support was not compiled in, probably because nlohmann/json was not found. Please install "
+ "nlohmann-json3-dev and recompile SimGrid to use this feature.");
+#endif
}
-
/** @brief loads a DAX file describing a DAG
*
* See https://confluence.pegasus.isi.edu/display/pegasus/WorkflowGenerator for more details.