src/DeviceData.cc

   1 /*
   2  * DeviceData.cc
   3  *
   4  *  Created on: Nov 7, 2010
   5  *      Author: lamikr
   6  */
   7 #include <dirent.h>
   8 #include <malloc.h>
   9 #include <errno.h>
  10 #include <string.h>
  11
  12 #include "W1Util.hh"
  13 #include "DeviceData.hh"
  14 #include "W1Store.hh"
  15 #include "DeviceConfig.hh"
  16 #include "Factory.hh"
  17
  18 #include "plp/log.h"
  19
  20 using namespace w1;
  21 using namespace std;
  22 using namespace plp;
  23
  24 DeviceData::DeviceData(string device_id_param) {
  25         string          base_dir;
  26
  27         device_config           = Factory::get_device_config(device_id_param);
  28         summary_calc_type       = device_config->get_summary_calculation_type();
  29         device_id               = device_id_param;
  30         base_dir                = DeviceConfig::get_base_dir_name();
  31         device_dir              = W1Util::concat_paths(base_dir, device_id);
  32         device_ch_dir           = W1Util::concat_paths(base_dir, "cache");
  33         device_ch_dir           = W1Util::concat_paths(device_ch_dir, device_id);
  34 }
  35
  36 DeviceData::~DeviceData() {
  37         delete(device_config);
  38 }
  39
  40 Data *DeviceData::find_oldest_data(vector<string> year_vector) {
  41         unsigned int    ii;
  42         string          year_dr;
  43         string          mon_dr;
  44         vector<string>  mon_vcr;
  45         vector<string>  d_vcr;
  46         string          f_name;
  47         W1Store         *store;
  48         Data            *ret_val;
  49
  50         ret_val = NULL;
  51         if (year_vector.size() > 0) {
  52                 // dirs are alphabetically sorted
  53                 year_dr = year_vector.at(0);
  54                 year_dr = W1Util::concat_paths(device_dir, year_dr);
  55                 mon_vcr = W1Util::get_subdirectories(year_dr);
  56                 for (ii = 0; ii < mon_vcr.size(); ii++) {
  57                         mon_dr  = mon_vcr.at(ii);
  58                         mon_dr  = W1Util::concat_paths(year_dr, mon_dr);
  59                         // scan data files from month dir
  60                         d_vcr   = W1Util::get_data_files(mon_dr);
  61                         if (d_vcr.size() > 0) {
  62                                 f_name  = d_vcr.at(0);
  63                                 f_name  = W1Util::concat_paths(mon_dr, f_name);
  64                                 store   = new W1Store(f_name);
  65                                 ret_val = store->get_oldest_data();
  66                                 delete(store);
  67                                 break;
  68                         }
  69                 }
  70         }
  71         return ret_val;
  72 }
  73
  74 Data *DeviceData::find_newest_data(vector<string> year_vector) {
  75         int             ii;
  76         string          year_dr;
  77         string          mon_dr;
  78         vector<string>  mon_vcr;
  79         vector<string>  d_vcr;
  80         string          f_name;
  81         Data            *ret_val;
  82         int             size;
  83         W1Store         *store;
  84
  85         ret_val = NULL;
  86         size    = year_vector.size();
  87         if (size > 0) {
  88                 // dirs are alphabetically sorted
  89                 year_dr = year_vector.at(size - 1);
  90                 year_dr = W1Util::concat_paths(device_dir, year_dr);
  91                 mon_vcr = W1Util::get_subdirectories(year_dr);
  92                 for (ii = mon_vcr.size() - 1; ii >= 0; ii--) {
  93                         mon_dr  = mon_vcr.at(ii);
  94                         mon_dr  = W1Util::concat_paths(year_dr, mon_dr);
  95                         // scan data files from month dir
  96                         d_vcr   = W1Util::get_data_files(mon_dr);
  97                         size    = d_vcr.size();
  98                         if (size > 0) {
  99                                 f_name  = d_vcr.at(size - 1);
 100                                 f_name  = W1Util::concat_paths(mon_dr, f_name);
 101                                 store   = new W1Store(f_name);
 102                                 ret_val = store->get_newest_data();
 103                                 delete(store);
 104                                 break;
 105                         }
 106                 }
 107         }
 108         return ret_val;
 109 }
 110
 111 DataRange *DeviceData::get_data_range() {
 112         DataRange       *ret_val;
 113         vector<string>  y_list;
 114         Data            *o_data;
 115         Data            *n_data;
 116
 117         ret_val = NULL;
 118         y_list  = W1Util::get_subdirectories(device_dir);
 119         o_data  = find_oldest_data(y_list);
 120         if (o_data != NULL) {
 121                 n_data  = find_newest_data(y_list);
 122                 if (n_data != NULL) {
 123                         ret_val = new DataRange(o_data);
 124                         ret_val->add_data(n_data);
 125                         delete(n_data);
 126                 }
 127                 delete(o_data);
 128         }
 129         return ret_val;
 130 }
 131
 132 long int get_interval_type(Date *start_date,
 133                         Date *end_date) {
 134         int     diff;
 135         int     ret_val;
 136
 137         ret_val = 0;
 138         diff    = end_date->year - start_date->year;
 139         if (diff != 0) {
 140                 ret_val = 0;
 141         }
 142         else {
 143                 diff    = end_date->month - start_date->month;
 144                 if (diff != 0) {
 145                         ret_val = 1;
 146                 }
 147                 else {
 148                         diff    = end_date->day - start_date->day;
 149                         if (diff != 0) {
 150                                 ret_val = 2;
 151                         }
 152                         else {
 153                                 diff    = end_date->hour - start_date->hour;
 154                                 if (diff != 0) {
 155                                         ret_val = 3;
 156                                 }
 157                                 else {
 158                                         diff    = end_date->min - start_date->min;
 159                                         if (diff != 0) {
 160                                                 ret_val = 4;
 161                                         }
 162                                         else {
 163                                                 ret_val = 5;
 164                                         }
 165                                 }
 166                         }
 167                 }
 168         }
 169         return ret_val;
 170 }
 171
 172 Data *DeviceData::get_day_summary(Date *date) {
 173         Data    *ret_val;
 174         W1Store *store;
 175         bool    suc_flg;
 176
 177         ret_val = NULL;
 178         store   = new W1Store(device_id, date);
 179         if (store != NULL) {
 180                 suc_flg = store->load();
 181                 if (suc_flg == true) {
 182                         switch(summary_calc_type) {
 183                                 case SUM:
 184                                         ret_val = store->get_sum();
 185                                         break;
 186                                 case DELTA:
 187                                         ret_val = store->get_delta();
 188                                         break;
 189                                 case MEAN:
 190                                 default:
 191                                         ret_val = store->get_mean();
 192                                         break;
 193                                 case MAX:
 194                                         ret_val = store->get_max();
 195                                         break;
 196                                 case MIN:
 197                                         ret_val = store->get_min();
 198                                         break;
 199                         }
 200                         if (ret_val != NULL) {
 201                                 ret_val->printout();
 202                         }
 203                         else {
 204                                 log_error("Could not read data log for device: %s\n", device_id.c_str());
 205                         }
 206                 }
 207                 else {
 208                         log_error("Could not read data log for device: %s. Data file open load failed.\n", device_id.c_str());
 209                 }
 210         }
 211         else {
 212                 log_error("Could not read data log for device: %s\n", device_id.c_str());
 213         }
 214         delete(store);
 215         return ret_val;
 216 }
 217
 218 DataRange *DeviceData::get_daily_summary(Date *start_date,
 219                                         Date *end_date) {
 220         DataRange       *ret_val;
 221         Data            *data;
 222         Date            *date;
 223
 224         ret_val = NULL;
 225         date    = start_date->clone();
 226         while(date->before(*end_date)) {
 227                 data    = get_day_summary(date);
 228                 if (data != NULL) {
 229                         if (ret_val == NULL) {
 230                                 ret_val = new DataRange(data);
 231                         }
 232                         else {
 233                                 ret_val->add_data(data);
 234                         }
 235                         delete(data);
 236                 }
 237                 date->tomorrow();
 238         }
 239         delete(date);
 240         return ret_val;
 241 }
 242
 243 vector<Data *> DeviceData::get_hourly_summary(Date *date) {
 244         vector<Data *>  ret_val;
 245         W1Store *       store;
 246
 247         store   = new W1Store(device_id, date);
 248         store->load();
 249         switch(summary_calc_type) {
 250 /*
 251                 case SUM:
 252                         ret_val = store->get_sum();
 253                         break;
 254 */
 255                 case DELTA:
 256                         ret_val = store->get_delta(3600);
 257                         break;
 258                 case MEAN:
 259                 default:
 260                         ret_val = store->get_mean(3600);
 261                         break;
 262 /*
 263                 case MAX:
 264                         ret_val = store->get_max();
 265                         break;
 266                 case MIN:
 267                         ret_val = store->get_min();
 268                         break;
 269 */
 270         }
 271         delete(store);
 272         return ret_val;
 273 }
 274
 275 DataRange *DeviceData::get_hourly_summary(Date *start_date,
 276                                         Date *end_date) {
 277         DataRange                       *ret_val;
 278         vector<Data *>                  dta_list;
 279         Data                            *data;
 280         Date                            *date;
 281         vector<Data *>::iterator        iter;
 282
 283         ret_val = NULL;
 284         date    = start_date->clone();
 285         while(date->before(*end_date)) {
 286                 dta_list        = get_hourly_summary(date);
 287                 for(iter = dta_list.begin(); iter != dta_list.end(); iter++) {
 288                         data    = (Data *)*iter;
 289                         if (data != NULL) {
 290                                 if (ret_val == NULL) {
 291                                         ret_val = new DataRange(data);
 292                                 }
 293                                 else {
 294                                         ret_val->add_data(data);
 295                                 }
 296                                 delete(data);
 297                         }
 298                 }
 299                 date->tomorrow();
 300         }
 301         delete(date);
 302         return ret_val;
 303 }
 304 DataRange *DeviceData::get_data(Date *start_date,
 305                                 Date *end_date) {
 306         DataRange       *ret_val;
 307         int             int_type;
 308
 309         ret_val         = NULL;
 310         start_date->printout();
 311         end_date->printout();
 312         int_type        = get_interval_type(start_date, end_date);
 313         switch(int_type) {
 314                 case 0:
 315                         log_debug("get yearly summary\n");
 316                         break;
 317                 case 1:
 318                         log_debug("get monthly summary\n");
 319                         ret_val = get_daily_summary(start_date, end_date);
 320                         break;
 321                 case 2:
 322                         log_debug("get daily summary\n");
 323                         ret_val = get_daily_summary(start_date, end_date);
 324                         break;
 325                 case 3:
 326                         log_debug("get hourly summary\n");
 327                         ret_val = get_hourly_summary(start_date, end_date);
 328                         break;
 329                 case 4:
 330                         log_debug("get minute summary data\n");
 331                         break;
 332                 case 5:
 333                         log_debug("get second summary data\n");
 334                         break;
 335         }
 336         return ret_val;
 337 }