--- /dev/null
+/* Copyright (c) 2004-2019. 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 "xbt/log.h"
+#include "xbt/sysdep.h"
+#include <ostream>
+#include "src/kernel/resource/profile/Profile.hpp"
+#include <boost/algorithm/string.hpp>
+#include "src/kernel/resource/profile/FutureEvtSet.cpp"
+#include "src/kernel/resource/profile/DatedValue.cpp"
+#include "simgrid/forward.h"
+#include <vector>
+
+static std::unordered_map<std::string, simgrid::kernel::profile::Profile*> trace_list;
+
+namespace simgrid {
+namespace kernel {
+namespace profile {
+
+Profile::Profile()
+{
+ /* Add the first fake event storing the time at which the trace begins */
+ DatedValue val(0, -1);
+ event_list.push_back(val);
+}
+Profile::~Profile() = default;
+
+/** @brief Register this profile for that resource onto that FES,
+ * and get an iterator over the integrated trace */
+Event* Profile::schedule(FutureEvtSet* fes, resource::Resource* resource)
+{
+ Event* event = new Event();
+ event->profile = this;
+ event->idx = 0;
+ event->resource = resource;
+ event->free_me = false;
+
+ xbt_assert((event->idx < event_list.size()), "Your profile should have at least one event!");
+
+ fes_ = fes;
+ fes_->add_event(0.0 /* start time */, event);
+
+ return event;
+}
+
+/** @brief Gets the next event from a profile */
+DatedValue Profile::next(Event* event)
+{
+ double event_date = fes_->next_date();
+ DatedValue dateVal = event_list.at(event->idx);
+
+ if (event->idx < event_list.size() - 1) {
+ fes_->add_event(event_date + dateVal.date_, event);
+ event->idx++;
+ } else if (dateVal.date_ > 0) { /* Last element. Shall we loop? */
+ fes_->add_event(event_date + dateVal.date_, event);
+ event->idx = 1; /* idx=0 is a placeholder to store when events really start */
+ } else { /* If we don't loop, we don't need this event anymore */
+ event->free_me = true;
+ }
+
+ return dateVal;
+}
+
+Profile* Profile::from_string(const std::string& name, const std::string& input, double periodicity)
+{
+ int linecount = 0;
+ simgrid::kernel::profile::Profile* profile = new simgrid::kernel::profile::Profile();
+ simgrid::kernel::profile::DatedValue* last_event = &(profile->event_list.back());
+
+ xbt_assert(trace_list.find(name) == trace_list.end(), "Refusing to define trace %s twice", name.c_str());
+
+ std::vector<std::string> list;
+ boost::split(list, input, boost::is_any_of("\n\r"));
+ for (auto val : list) {
+ simgrid::kernel::profile::DatedValue event;
+ linecount++;
+ boost::trim(val);
+ if (val[0] == '#' || val[0] == '\0' || val[0] == '%') // pass comments
+ continue;
+ if (sscanf(val.c_str(), "PERIODICITY %lg\n", &periodicity) == 1)
+ continue;
+ if (sscanf(val.c_str(), "LOOPAFTER %lg\n", &periodicity) == 1)
+ continue;
+
+ XBT_ATTRIB_UNUSED int res = sscanf(val.c_str(), "%lg %lg\n", &event.date_, &event.value_);
+ xbt_assert(res == 2, "%s:%d: Syntax error in trace\n%s", name.c_str(), linecount, input.c_str());
+
+ xbt_assert(last_event->date_ <= event.date_,
+ "%s:%d: Invalid trace: Events must be sorted, but time %g > time %g.\n%s", name.c_str(), linecount,
+ last_event->date_, event.date_, input.c_str());
+ last_event->date_ = event.date_ - last_event->date_;
+
+ profile->event_list.push_back(event);
+ last_event = &(profile->event_list.back());
+ }
+ if (last_event) {
+ if (periodicity > 0) {
+ last_event->date_ = periodicity + profile->event_list.at(0).date_;
+ } else {
+ last_event->date_ = -1;
+ }
+ }
+
+ trace_list.insert({name, profile});
+
+ return profile;
+}
+Profile* Profile::from_file(const std::string& path)
+{
+ xbt_assert(not path.empty(), "Cannot parse a trace from an empty filename");
+ xbt_assert(trace_list.find(path) == trace_list.end(), "Refusing to define trace %s twice", path.c_str());
+
+ std::ifstream* f = surf_ifsopen(path);
+ xbt_assert(not f->fail(), "Cannot open file '%s' (path=%s)", path.c_str(), (boost::join(surf_path, ":")).c_str());
+
+ std::stringstream buffer;
+ buffer << f->rdbuf();
+ delete f;
+
+ return Profile::from_string(path, buffer.str(), -1);
+}
+
+} // namespace profile
+} // namespace kernel
+} // namespace simgrid
