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https://github.com/subsurface/subsurface.git
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Statistics: remove global state / calculate only when needed
Statistics were calculated into global variables every time the current dive was changed. Calculate statistics only when needed and into a structure provided by the caller. Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
This commit is contained in:
Berthold Stoeger
Dirk Hohndel
parent
68fdc0b6f4
commit
97991e2b9f
7 changed files with 141 additions and 107 deletions
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@ -75,42 +75,44 @@ static void exportHTMLstatistics(const QString filename, struct htmlExportSettin
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QFile file(filename);
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file.open(QIODevice::WriteOnly | QIODevice::Text);
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QTextStream out(&file);
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stats_summary_auto_free stats;
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stats_t total_stats;
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calculate_stats_summary(&stats);
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total_stats.selection_size = 0;
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total_stats.total_time.seconds = 0;
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int i = 0;
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out << "divestat=[";
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if (hes.yearlyStatistics) {
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while (stats_yearly != NULL && stats_yearly[i].period) {
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while (stats.stats_yearly != NULL && stats.stats_yearly[i].period) {
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out << "{";
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out << "\"YEAR\":\"" << stats_yearly[i].period << "\",";
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out << "\"DIVES\":\"" << stats_yearly[i].selection_size << "\",";
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out << "\"TOTAL_TIME\":\"" << get_dive_duration_string(stats_yearly[i].total_time.seconds,
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out << "\"YEAR\":\"" << stats.stats_yearly[i].period << "\",";
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out << "\"DIVES\":\"" << stats.stats_yearly[i].selection_size << "\",";
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out << "\"TOTAL_TIME\":\"" << get_dive_duration_string(stats.stats_yearly[i].total_time.seconds,
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gettextFromC::tr("h"), gettextFromC::tr("min"), gettextFromC::tr("sec"), " ") << "\",";
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out << "\"AVERAGE_TIME\":\"" << get_minutes(stats_yearly[i].total_time.seconds / stats_yearly[i].selection_size) << "\",";
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out << "\"SHORTEST_TIME\":\"" << get_minutes(stats_yearly[i].shortest_time.seconds) << "\",";
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out << "\"LONGEST_TIME\":\"" << get_minutes(stats_yearly[i].longest_time.seconds) << "\",";
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out << "\"AVG_DEPTH\":\"" << get_depth_string(stats_yearly[i].avg_depth) << "\",";
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out << "\"MIN_DEPTH\":\"" << get_depth_string(stats_yearly[i].min_depth) << "\",";
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out << "\"MAX_DEPTH\":\"" << get_depth_string(stats_yearly[i].max_depth) << "\",";
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out << "\"AVG_SAC\":\"" << get_volume_string(stats_yearly[i].avg_sac) << "\",";
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out << "\"MIN_SAC\":\"" << get_volume_string(stats_yearly[i].min_sac) << "\",";
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out << "\"MAX_SAC\":\"" << get_volume_string(stats_yearly[i].max_sac) << "\",";
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if (stats_yearly[i].combined_count) {
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out << "\"AVERAGE_TIME\":\"" << get_minutes(stats.stats_yearly[i].total_time.seconds / stats.stats_yearly[i].selection_size) << "\",";
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out << "\"SHORTEST_TIME\":\"" << get_minutes(stats.stats_yearly[i].shortest_time.seconds) << "\",";
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out << "\"LONGEST_TIME\":\"" << get_minutes(stats.stats_yearly[i].longest_time.seconds) << "\",";
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out << "\"AVG_DEPTH\":\"" << get_depth_string(stats.stats_yearly[i].avg_depth) << "\",";
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out << "\"MIN_DEPTH\":\"" << get_depth_string(stats.stats_yearly[i].min_depth) << "\",";
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out << "\"MAX_DEPTH\":\"" << get_depth_string(stats.stats_yearly[i].max_depth) << "\",";
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out << "\"AVG_SAC\":\"" << get_volume_string(stats.stats_yearly[i].avg_sac) << "\",";
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out << "\"MIN_SAC\":\"" << get_volume_string(stats.stats_yearly[i].min_sac) << "\",";
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out << "\"MAX_SAC\":\"" << get_volume_string(stats.stats_yearly[i].max_sac) << "\",";
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if (stats.stats_yearly[i].combined_count) {
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temperature_t avg_temp;
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avg_temp.mkelvin = stats_yearly[i].combined_temp.mkelvin / stats_yearly[i].combined_count;
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avg_temp.mkelvin = stats.stats_yearly[i].combined_temp.mkelvin / stats.stats_yearly[i].combined_count;
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out << "\"AVG_TEMP\":\"" << get_temperature_string(avg_temp) << "\",";
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} else {
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out << "\"AVG_TEMP\":\"0.0\",";
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}
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out << "\"MIN_TEMP\":\"" << (stats_yearly[i].min_temp.mkelvin == 0 ? 0 : get_temperature_string(stats_yearly[i].min_temp)) << "\",";
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out << "\"MAX_TEMP\":\"" << (stats_yearly[i].max_temp.mkelvin == 0 ? 0 : get_temperature_string(stats_yearly[i].max_temp)) << "\",";
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out << "\"MIN_TEMP\":\"" << (stats.stats_yearly[i].min_temp.mkelvin == 0 ? 0 : get_temperature_string(stats.stats_yearly[i].min_temp)) << "\",";
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out << "\"MAX_TEMP\":\"" << (stats.stats_yearly[i].max_temp.mkelvin == 0 ? 0 : get_temperature_string(stats.stats_yearly[i].max_temp)) << "\",";
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out << "},";
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total_stats.selection_size += stats_yearly[i].selection_size;
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total_stats.total_time.seconds += stats_yearly[i].total_time.seconds;
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total_stats.selection_size += stats.stats_yearly[i].selection_size;
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total_stats.total_time.seconds += stats.stats_yearly[i].total_time.seconds;
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i++;
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}
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exportHTMLstatisticsTotal(out, &total_stats);
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@ -3,7 +3,7 @@
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*
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* core logic for the Info & Stats page -
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* char *get_minutes(int seconds);
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* void process_all_dives();
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* void calculate_stats_summary(struct stats_summary *out);
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*/
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#include "gettext.h"
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#include <string.h>
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@ -14,12 +14,7 @@
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#include "divelist.h"
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#include "statistics.h"
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static stats_t stats;
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stats_t stats_selection;
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stats_t *stats_monthly = NULL;
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stats_t *stats_yearly = NULL;
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stats_t *stats_by_trip = NULL;
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stats_t *stats_by_type = NULL;
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static void process_temperatures(struct dive *dp, stats_t *stats)
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{
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@ -91,7 +86,13 @@ char *get_minutes(int seconds)
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return buf;
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}
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void process_all_dives()
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/*
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* Calculate a summary of the statistics and put in the stats_summary
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* structure provided in the first parameter.
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* Before first use, it should be initialized with init_stats_summary().
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* After use, memory must be released with free_stats_summary().
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*/
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void calculate_stats_summary(struct stats_summary *out)
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{
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int idx;
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struct dive *dp;
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@ -104,8 +105,8 @@ void process_all_dives()
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int trip_iter = 0;
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dive_trip_t *trip_ptr = 0;
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unsigned int size, tsize;
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stats_t stats = { 0 };
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memset(&stats, 0, sizeof(stats));
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if (dive_table.nr > 0) {
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stats.shortest_time.seconds = dive_table.dives[0]->duration.seconds;
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stats.min_depth.mm = dive_table.dives[0]->maxdepth.mm;
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@ -116,37 +117,33 @@ void process_all_dives()
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* case (one dive per year or all dives during
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* one month) for yearly and monthly statistics*/
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free(stats_yearly);
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free(stats_monthly);
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free(stats_by_trip);
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free(stats_by_type);
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size = sizeof(stats_t) * (dive_table.nr + 1);
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tsize = sizeof(stats_t) * (NUM_DIVEMODE + 1);
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stats_yearly = malloc(size);
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stats_monthly = malloc(size);
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stats_by_trip = malloc(size);
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stats_by_type = malloc(tsize);
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if (!stats_yearly || !stats_monthly || !stats_by_trip || !stats_by_type)
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free_stats_summary(out);
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out->stats_yearly = malloc(size);
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out->stats_monthly = malloc(size);
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out->stats_by_trip = malloc(size);
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out->stats_by_type = malloc(tsize);
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if (!out->stats_yearly || !out->stats_monthly || !out->stats_by_trip || !out->stats_by_type)
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return;
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memset(stats_yearly, 0, size);
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memset(stats_monthly, 0, size);
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memset(stats_by_trip, 0, size);
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memset(stats_by_type, 0, tsize);
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stats_yearly[0].is_year = true;
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memset(out->stats_yearly, 0, size);
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memset(out->stats_monthly, 0, size);
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memset(out->stats_by_trip, 0, size);
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memset(out->stats_by_type, 0, tsize);
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out->stats_yearly[0].is_year = true;
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/* Setting the is_trip to true to show the location as first
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* field in the statistics window */
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stats_by_type[0].location = strdup(translate("gettextFromC", "All (by type stats)"));
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stats_by_type[0].is_trip = true;
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stats_by_type[1].location = strdup(translate("gettextFromC", divemode_text_ui[OC]));
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stats_by_type[1].is_trip = true;
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stats_by_type[2].location = strdup(translate("gettextFromC", divemode_text_ui[CCR]));
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stats_by_type[2].is_trip = true;
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stats_by_type[3].location = strdup(translate("gettextFromC", divemode_text_ui[PSCR]));
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stats_by_type[3].is_trip = true;
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stats_by_type[4].location = strdup(translate("gettextFromC", divemode_text_ui[FREEDIVE]));
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stats_by_type[4].is_trip = true;
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out->stats_by_type[0].location = strdup(translate("gettextFromC", "All (by type stats)"));
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out->stats_by_type[0].is_trip = true;
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out->stats_by_type[1].location = strdup(translate("gettextFromC", divemode_text_ui[OC]));
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out->stats_by_type[1].is_trip = true;
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out->stats_by_type[2].location = strdup(translate("gettextFromC", divemode_text_ui[CCR]));
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out->stats_by_type[2].is_trip = true;
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out->stats_by_type[3].location = strdup(translate("gettextFromC", divemode_text_ui[PSCR]));
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out->stats_by_type[3].is_trip = true;
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out->stats_by_type[4].location = strdup(translate("gettextFromC", divemode_text_ui[FREEDIVE]));
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out->stats_by_type[4].is_trip = true;
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/* this relies on the fact that the dives in the dive_table
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* are in chronological order */
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@ -160,20 +157,20 @@ void process_all_dives()
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if (current_year != tm.tm_year) {
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current_year = tm.tm_year;
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process_dive(dp, &(stats_yearly[++year_iter]));
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stats_yearly[year_iter].is_year = true;
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process_dive(dp, &(out->stats_yearly[++year_iter]));
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out->stats_yearly[year_iter].is_year = true;
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} else {
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process_dive(dp, &(stats_yearly[year_iter]));
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process_dive(dp, &(out->stats_yearly[year_iter]));
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}
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stats_yearly[year_iter].selection_size++;
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stats_yearly[year_iter].period = current_year;
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out->stats_yearly[year_iter].selection_size++;
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out->stats_yearly[year_iter].period = current_year;
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/* stats_by_type[0] is all the dives combined */
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stats_by_type[0].selection_size++;
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process_dive(dp, &(stats_by_type[0]));
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out->stats_by_type[0].selection_size++;
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process_dive(dp, &(out->stats_by_type[0]));
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process_dive(dp, &(stats_by_type[dp->dc.divemode + 1]));
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stats_by_type[dp->dc.divemode + 1].selection_size++;
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process_dive(dp, &(out->stats_by_type[dp->dc.divemode + 1]));
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out->stats_by_type[dp->dc.divemode + 1].selection_size++;
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if (dp->divetrip != NULL) {
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if (trip_ptr != dp->divetrip) {
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@ -182,15 +179,15 @@ void process_all_dives()
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}
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/* stats_by_trip[0] is all the dives combined */
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stats_by_trip[0].selection_size++;
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process_dive(dp, &(stats_by_trip[0]));
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stats_by_trip[0].is_trip = true;
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stats_by_trip[0].location = strdup(translate("gettextFromC", "All (by trip stats)"));
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out->stats_by_trip[0].selection_size++;
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process_dive(dp, &(out->stats_by_trip[0]));
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out->stats_by_trip[0].is_trip = true;
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out->stats_by_trip[0].location = strdup(translate("gettextFromC", "All (by trip stats)"));
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process_dive(dp, &(stats_by_trip[trip_iter]));
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stats_by_trip[trip_iter].selection_size++;
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stats_by_trip[trip_iter].is_trip = true;
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stats_by_trip[trip_iter].location = dp->divetrip->location;
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process_dive(dp, &(out->stats_by_trip[trip_iter]));
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out->stats_by_trip[trip_iter].selection_size++;
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out->stats_by_trip[trip_iter].is_trip = true;
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out->stats_by_trip[trip_iter].location = dp->divetrip->location;
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}
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/* monthly statistics */
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@ -202,14 +199,30 @@ void process_all_dives()
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if (prev_month != current_month || prev_year != current_year)
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month_iter++;
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}
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process_dive(dp, &(stats_monthly[month_iter]));
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stats_monthly[month_iter].selection_size++;
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stats_monthly[month_iter].period = current_month;
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process_dive(dp, &(out->stats_monthly[month_iter]));
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out->stats_monthly[month_iter].selection_size++;
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out->stats_monthly[month_iter].period = current_month;
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prev_month = current_month;
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prev_year = current_year;
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}
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}
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void free_stats_summary(struct stats_summary *stats)
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{
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free(stats->stats_yearly);
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free(stats->stats_monthly);
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free(stats->stats_by_trip);
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free(stats->stats_by_type);
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}
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void init_stats_summary(struct stats_summary *stats)
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{
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stats->stats_yearly = NULL;
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stats->stats_monthly = NULL;
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stats->stats_by_trip = NULL;
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stats->stats_by_type = NULL;
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}
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/* make sure we skip the selected summary entries */
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void process_selected_dives(void)
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{
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@ -12,10 +12,6 @@
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#include "core/units.h"
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#include "core/dive.h" // For MAX_CYLINDERS
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct
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{
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int period;
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@ -42,13 +38,22 @@ typedef struct
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char *location;
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} stats_t;
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extern stats_t stats_selection;
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extern stats_t *stats_yearly;
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extern stats_t *stats_monthly;
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extern stats_t *stats_by_trip;
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extern stats_t *stats_by_type;
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struct stats_summary {
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stats_t *stats_yearly;
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stats_t *stats_monthly;
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stats_t *stats_by_trip;
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stats_t *stats_by_type;
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};
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern char *get_minutes(int seconds);
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extern void process_all_dives();
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extern void init_stats_summary(struct stats_summary *stats);
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extern void free_stats_summary(struct stats_summary *stats);
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extern void calculate_stats_summary(struct stats_summary *stats);
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extern void get_gas_used(struct dive *dive, volume_t gases[MAX_CYLINDERS]);
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extern void process_selected_dives(void);
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void selected_dives_gas_parts(volume_t *o2_tot, volume_t *he_tot);
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@ -57,4 +62,25 @@ void selected_dives_gas_parts(volume_t *o2_tot, volume_t *he_tot);
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}
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#endif
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/*
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* For C++ code, provide a convenience version of stats_summary
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* that initializes the structure on construction and frees
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* resources when it goes out of scope. Apart from that, it
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* can be used as a stats_summary replacement.
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*/
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#ifdef __cplusplus
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struct stats_summary_auto_free : public stats_summary {
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stats_summary_auto_free();
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~stats_summary_auto_free();
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};
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inline stats_summary_auto_free::stats_summary_auto_free()
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{
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init_stats_summary(this);
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}
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inline stats_summary_auto_free::~stats_summary_auto_free()
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{
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free_stats_summary(this);
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}
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#endif
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#endif // STATISTICS_H
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@ -424,13 +424,7 @@ void MainTab::updateDiveInfo(bool clear)
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setEnabled(false);
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editMode = IGNORE; // don't trigger on changes to the widgets
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// This method updates ALL tabs whenever a new dive or trip is
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// selected.
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// If exactly one trip has been selected, we show the location / notes
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// for the trip in the Info tab, otherwise we show the info of the
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// selected_dive
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process_selected_dives();
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process_all_dives();
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for (auto widget : extraWidgets) {
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widget->updateData();
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@ -207,8 +207,10 @@ QString TemplateLayout::generateStatistics()
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QVariantList years;
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int i = 0;
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while (stats_yearly != NULL && stats_yearly[i].period) {
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YearInfo year(stats_yearly[i]);
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stats_summary_auto_free stats;
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calculate_stats_summary(&stats);
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while (stats.stats_yearly != NULL && stats.stats_yearly[i].period) {
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YearInfo year(stats.stats_yearly[i]);
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years.append(QVariant::fromValue(year));
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i++;
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}
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@ -49,13 +49,9 @@ int main(int argc, char **argv)
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// this should have set up the informational preferences - let's grab
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// the units from there
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prefs.unit_system = git_prefs.unit_system;
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prefs.units = git_prefs.units;
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// populate the statistics
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process_all_dives();
|
||||
|
||||
// now set up the export settings to create the HTML export
|
||||
struct htmlExportSetting hes;
|
||||
hes.themeFile = "sand.css";
|
||||
|
|
|
|||
|
|
@ -176,13 +176,15 @@ void YearlyStatisticsModel::update_yearly_stats()
|
|||
{
|
||||
int i, month = 0;
|
||||
unsigned int j, combined_months;
|
||||
stats_summary_auto_free stats;
|
||||
calculate_stats_summary(&stats);
|
||||
|
||||
for (i = 0; stats_yearly != NULL && stats_yearly[i].period; ++i) {
|
||||
YearStatisticsItem *item = new YearStatisticsItem(stats_yearly[i]);
|
||||
for (i = 0; stats.stats_yearly != NULL && stats.stats_yearly[i].period; ++i) {
|
||||
YearStatisticsItem *item = new YearStatisticsItem(stats.stats_yearly[i]);
|
||||
combined_months = 0;
|
||||
for (j = 0; combined_months < stats_yearly[i].selection_size; ++j) {
|
||||
combined_months += stats_monthly[month].selection_size;
|
||||
YearStatisticsItem *iChild = new YearStatisticsItem(stats_monthly[month]);
|
||||
for (j = 0; combined_months < stats.stats_yearly[i].selection_size; ++j) {
|
||||
combined_months += stats.stats_monthly[month].selection_size;
|
||||
YearStatisticsItem *iChild = new YearStatisticsItem(stats.stats_monthly[month]);
|
||||
item->children.append(iChild);
|
||||
iChild->parent = item;
|
||||
month++;
|
||||
|
|
@ -191,11 +193,10 @@ void YearlyStatisticsModel::update_yearly_stats()
|
|||
item->parent = rootItem.get();
|
||||
}
|
||||
|
||||
|
||||
if (stats_by_trip != NULL && stats_by_trip[0].is_trip == true) {
|
||||
YearStatisticsItem *item = new YearStatisticsItem(stats_by_trip[0]);
|
||||
for (i = 1; stats_by_trip != NULL && stats_by_trip[i].is_trip; ++i) {
|
||||
YearStatisticsItem *iChild = new YearStatisticsItem(stats_by_trip[i]);
|
||||
if (stats.stats_by_trip != NULL && stats.stats_by_trip[0].is_trip == true) {
|
||||
YearStatisticsItem *item = new YearStatisticsItem(stats.stats_by_trip[0]);
|
||||
for (i = 1; stats.stats_by_trip != NULL && stats.stats_by_trip[i].is_trip; ++i) {
|
||||
YearStatisticsItem *iChild = new YearStatisticsItem(stats.stats_by_trip[i]);
|
||||
item->children.append(iChild);
|
||||
iChild->parent = item;
|
||||
}
|
||||
|
|
@ -204,12 +205,12 @@ void YearlyStatisticsModel::update_yearly_stats()
|
|||
}
|
||||
|
||||
/* Show the statistic sorted by dive type */
|
||||
if (stats_by_type != NULL && stats_by_type[0].selection_size) {
|
||||
YearStatisticsItem *item = new YearStatisticsItem(stats_by_type[0]);
|
||||
if (stats.stats_by_type != NULL && stats.stats_by_type[0].selection_size) {
|
||||
YearStatisticsItem *item = new YearStatisticsItem(stats.stats_by_type[0]);
|
||||
for (i = 1; i <= NUM_DIVEMODE; ++i) {
|
||||
if (stats_by_type[i].selection_size == 0)
|
||||
if (stats.stats_by_type[i].selection_size == 0)
|
||||
continue;
|
||||
YearStatisticsItem *iChild = new YearStatisticsItem(stats_by_type[i]);
|
||||
YearStatisticsItem *iChild = new YearStatisticsItem(stats.stats_by_type[i]);
|
||||
item->children.append(iChild);
|
||||
iChild->parent = item;
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue