X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/be3bfb2b50bfd21ad12b5f6e4094dedf83f9da62..dac676c1180a5ea95897072e55f698433a857d90:/src/surf/trace_mgr.cpp diff --git a/src/surf/trace_mgr.cpp b/src/surf/trace_mgr.cpp index 838b9e75cd..07c5ba6f3e 100644 --- a/src/surf/trace_mgr.cpp +++ b/src/surf/trace_mgr.cpp @@ -1,4 +1,4 @@ -/* Copyright (c) 2004-2005, 2007, 2009-2014. The SimGrid Team. +/* Copyright (c) 2004-2005, 2007, 2009-2014, 2016-2017. The SimGrid Team. * All rights reserved. */ /* This program is free software; you can redistribute it and/or modify it @@ -6,134 +6,135 @@ #include "xbt/sysdep.h" #include "xbt/log.h" -#include "xbt/str.h" -#include "xbt/dict.h" + +#include "src/surf/surf_interface.hpp" #include "src/surf/trace_mgr.hpp" -#include "surf_private.h" +#include "surf_private.hpp" #include "xbt/RngStream.h" -#include +#include +#include +#include +#include +#include +#include #include XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_trace, surf, "Surf trace management"); -static std::unordered_map trace_list; +namespace tmgr = simgrid::trace_mgr; + +static std::unordered_map trace_list; -simgrid::trace_mgr::trace::trace() +static inline bool doubleEq(double d1, double d2) { - event_list = xbt_dynar_new(sizeof(s_tmgr_event_t), NULL); + return fabs(d1 - d2) < 0.0001; } +namespace simgrid { +namespace trace_mgr { -simgrid::trace_mgr::trace::~trace() +bool DatedValue::operator==(DatedValue e2) { - xbt_dynar_free(&event_list); + return (doubleEq(date_, e2.date_)) && (doubleEq(value_, e2.value_)); } -simgrid::trace_mgr::future_evt_set::future_evt_set() +std::ostream& operator<<(std::ostream& out, const DatedValue& e) { + out << e.date_ << " " << e.value_; + return out; } -simgrid::trace_mgr::future_evt_set::~future_evt_set() +trace::trace() +{ + /* Add the first fake event storing the time at which the trace begins */ + tmgr::DatedValue val(0, -1); + event_list.push_back(val); +} +trace::~trace() = default; +future_evt_set::future_evt_set() = default; +future_evt_set::~future_evt_set() { - xbt_heap_free(p_heap); + while (not heap_.empty()) { + delete heap_.top().second; + heap_.pop(); + } +} +} } -tmgr_trace_t tmgr_trace_new_from_string(const char *name, const char *input, double periodicity) +tmgr_trace_t tmgr_trace_new_from_string(std::string name, std::string input, double periodicity) { int linecount = 0; - tmgr_event_t last_event = NULL; - unsigned int cpt; - char *val; - - xbt_assert(trace_list.find(name) == trace_list.end(), "Refusing to define trace %s twice", name); - xbt_assert(periodicity >= 0, "Invalid periodicity %g (must be positive)", periodicity); + tmgr_trace_t trace = new simgrid::trace_mgr::trace(); + tmgr::DatedValue* last_event = &(trace->event_list.back()); - tmgr_trace_t trace = new simgrid::trace_mgr::trace(); + xbt_assert(trace_list.find(name) == trace_list.end(), "Refusing to define trace %s twice", name.c_str()); - xbt_dynar_t list = xbt_str_split(input, "\n\r"); - xbt_dynar_foreach(list, cpt, val) { - s_tmgr_event_t event; + std::vector list; + boost::split(list, input, boost::is_any_of("\n\r")); + for (auto val : list) { + tmgr::DatedValue event; linecount++; - xbt_str_trim(val, " \t\n\r\x0B"); + boost::trim(val); if (val[0] == '#' || val[0] == '\0' || val[0] == '%') // pass comments continue; - - if (sscanf(val, "PERIODICITY " "%lg" "\n", &periodicity) == 1) + if (sscanf(val.c_str(), "PERIODICITY %lg\n", &periodicity) == 1) + continue; + if (sscanf(val.c_str(), "LOOPAFTER %lg\n", &periodicity) == 1) continue; - xbt_assert(sscanf(val, "%lg" " " "%lg" "\n", &event.delta, &event.value) == 2, - "%s:%d: Syntax error in trace\n%s", name, linecount, input); + xbt_assert(sscanf(val.c_str(), "%lg %lg\n", &event.date_, &event.value_) == 2, "%s:%d: Syntax error in trace\n%s", + name.c_str(), linecount, input.c_str()); - if (last_event) { - xbt_assert(last_event->delta <= event.delta, - "%s:%d: Invalid trace: Events must be sorted, but time %g > time %g.\n%s", - name, linecount, last_event->delta, event.delta, input); + 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_; - last_event->delta = event.delta - last_event->delta; + trace->event_list.push_back(event); + last_event = &(trace->event_list.back()); + } + if (last_event) { + if (periodicity > 0) { + last_event->date_ = periodicity + trace->event_list.at(0).date_; } else { - if(event.delta > 0.0){ - s_tmgr_event_t first_event; - first_event.delta=event.delta; - first_event.value=-1.0; - xbt_dynar_push(trace->event_list, &first_event); - } + last_event->date_ = -1; } - xbt_dynar_push(trace->event_list, &event); - last_event = (tmgr_event_t)xbt_dynar_get_ptr(trace->event_list, xbt_dynar_length(trace->event_list) - 1); } - if (last_event) - last_event->delta = periodicity; - trace_list.insert({xbt_strdup(name), trace}); + trace_list.insert({name, trace}); - xbt_dynar_free(&list); return trace; } -tmgr_trace_t tmgr_trace_new_from_file(const char *filename) +tmgr_trace_t tmgr_trace_new_from_file(std::string filename) { - xbt_assert(filename && filename[0], "Cannot parse a trace from the null or empty filename"); - xbt_assert(trace_list.find(filename) == trace_list.end(), "Refusing to define trace %s twice", filename); + xbt_assert(not filename.empty(), "Cannot parse a trace from an empty filename"); + xbt_assert(trace_list.find(filename) == trace_list.end(), "Refusing to define trace %s twice", filename.c_str()); - FILE *f = surf_fopen(filename, "r"); - xbt_assert(f != NULL, - "Cannot open file '%s' (path=%s)", filename, xbt_str_join(surf_path, ":")); + std::ifstream* f = surf_ifsopen(filename); + xbt_assert(not f->fail(), "Cannot open file '%s' (path=%s)", filename.c_str(), (boost::join(surf_path, ":")).c_str()); - char *tstr = xbt_str_from_file(f); - fclose(f); - tmgr_trace_t trace = tmgr_trace_new_from_string(filename, tstr, 0.); - xbt_free(tstr); + std::stringstream buffer; + buffer << f->rdbuf(); + delete f; - return trace; -} - -tmgr_trace_t tmgr_empty_trace_new(void) -{ - tmgr_trace_t trace = new simgrid::trace_mgr::trace(); - s_tmgr_event_t event; - event.delta = 0.0; - event.value = 0.0; - xbt_dynar_push(trace->event_list, &event); - - return trace; -} - -void tmgr_trace_free(tmgr_trace_t trace) -{ - delete trace; + return tmgr_trace_new_from_string(filename, buffer.str(), -1); } /** @brief Registers a new trace into the future event set, and get an iterator over the integrated trace */ -tmgr_trace_iterator_t simgrid::trace_mgr::future_evt_set::add_trace(tmgr_trace_t trace, double start_time, surf::Resource *resource) +tmgr_trace_event_t simgrid::trace_mgr::future_evt_set::add_trace(tmgr_trace_t trace, + kernel::resource::Resource* resource) { - tmgr_trace_iterator_t trace_iterator = NULL; + tmgr_trace_event_t trace_iterator = nullptr; - trace_iterator = xbt_new0(s_tmgr_trace_event_t, 1); - trace_iterator->trace = trace; - trace_iterator->idx = 0; + trace_iterator = new s_tmgr_trace_event_t; + trace_iterator->trace = trace; + trace_iterator->idx = 0; trace_iterator->resource = resource; + trace_iterator->free_me = false; - xbt_assert((trace_iterator->idx < xbt_dynar_length(trace->event_list)), "Your trace should have at least one event!"); + xbt_assert((trace_iterator->idx < trace->event_list.size()), "Your trace should have at least one event!"); - xbt_heap_push(p_heap, trace_iterator, start_time); + heap_.emplace(0.0 /* start time */, trace_iterator); return trace_iterator; } @@ -141,56 +142,53 @@ tmgr_trace_iterator_t simgrid::trace_mgr::future_evt_set::add_trace(tmgr_trace_t /** @brief returns the date of the next occurring event (pure function) */ double simgrid::trace_mgr::future_evt_set::next_date() const { - if (xbt_heap_size(p_heap)) - return (xbt_heap_maxkey(p_heap)); - else - return -1.0; + return heap_.empty() ? -1.0 : heap_.top().first; } -/** @brief Retrieves the next occurring event, or NULL if none happens before #date */ -tmgr_trace_iterator_t simgrid::trace_mgr::future_evt_set::pop_leq( - double date, double *value, simgrid::surf::Resource **resource) +/** @brief Retrieves the next occurring event, or nullptr if none happens before #date */ +tmgr_trace_event_t simgrid::trace_mgr::future_evt_set::pop_leq(double date, double* value, + kernel::resource::Resource** resource) { double event_date = next_date(); if (event_date > date) - return NULL; + return nullptr; - tmgr_trace_iterator_t trace_iterator = (tmgr_trace_iterator_t)xbt_heap_pop(p_heap); - if (trace_iterator == NULL) - return NULL; + if (heap_.empty()) + return nullptr; + tmgr_trace_event_t trace_iterator = heap_.top().second; + heap_.pop(); tmgr_trace_t trace = trace_iterator->trace; *resource = trace_iterator->resource; - tmgr_event_t event = (tmgr_event_t)xbt_dynar_get_ptr(trace->event_list, trace_iterator->idx); + tmgr::DatedValue dateVal = trace->event_list.at(trace_iterator->idx); - *value = event->value; + *value = dateVal.value_; - if (trace_iterator->idx < xbt_dynar_length(trace->event_list) - 1) { - xbt_heap_push(p_heap, trace_iterator, event_date + event->delta); + if (trace_iterator->idx < trace->event_list.size() - 1) { + heap_.emplace(event_date + dateVal.date_, trace_iterator); trace_iterator->idx++; - } else if (event->delta > 0) { /* Last element, checking for periodicity */ - xbt_heap_push(p_heap, trace_iterator, event_date + event->delta); - trace_iterator->idx = 1; /* not 0 as the first event is a placeholder to handle when events really start */ - } else { /* We don't need this trace_event anymore */ - trace_iterator->free_me = 1; + } else if (dateVal.date_ > 0) { /* Last element. Shall we loop? */ + heap_.emplace(event_date + dateVal.date_, trace_iterator); + trace_iterator->idx = 1; /* idx=0 is a placeholder to store when events really start */ + } else { /* If we don't loop, we don't need this trace_event anymore */ + trace_iterator->free_me = true; } return trace_iterator; } -void tmgr_finalize(void) +void tmgr_finalize() { - for (auto kv : trace_list) { - xbt_free((char*)kv.first); + for (auto const& kv : trace_list) delete kv.second; - } + trace_list.clear(); } -void tmgr_trace_event_unref(tmgr_trace_iterator_t *trace_event) +void tmgr_trace_event_unref(tmgr_trace_event_t* trace_event) { if ((*trace_event)->free_me) { - xbt_free(*trace_event); + delete *trace_event; *trace_event = nullptr; } }