#include <string>
#include <fstream>
#include <valarray>
+#include <limits>
#include <time.h>
#include <dirent.h>
#include <plp/log.h>
+#include "DeviceConfig.hh"
#include "W1Configure.hh"
#include "W1Store.hh"
#include "W1Util.hh"
using namespace w1;
using namespace plp;
-std::string W1Store::store_base_dir = DEFAULT_STORAGE_BASE_DIR;
-DataRange *data_range = NULL;
-
W1Store::W1Store(string device_id,
Date *date_time) {
- data_range = NULL;
- store_file_name = get_store_file_name(device_id, date_time);
+ store_data = NULL;
+ range_data = NULL;
+ store_file_name = get_file_name(device_id, date_time);
log_debug("data file name: %s\n", store_file_name.c_str());
}
W1Store::W1Store(string file_name_param) {
- data_range = NULL;
+ store_data = NULL;
+ range_data = NULL;
store_file_name = file_name_param;
}
W1Store::~W1Store() {
- if (data_range != NULL) {
- delete(data_range);
- data_range = NULL;
- }
-}
-
-void W1Store::set_store_base_dir(string store_param) {
- int pos;
- int b_count;
-
- pos = store_param.find_last_of("/");
- b_count = store_param.length();
- if (pos == (b_count - 1)) {
- store_base_dir = store_param;
+ if (store_data != NULL) {
+ delete(store_data);
+ store_data = NULL;
}
- else {
- store_base_dir = store_param + "/";
- }
-}
-
-string W1Store::get_store_base_dir() {
- return store_base_dir;
}
-string W1Store::get_store_dir_name(string device_id, Date *date_time) {
+string W1Store::get_dir_name(string device_id, Date *date_time) {
string ret_val;
char buffer[30];
+ string d_name;
+ d_name = DeviceConfig::get_base_dir_name();
snprintf(buffer, 30, "%d/%02d", date_time->year, date_time->month);
- ret_val = W1Util::concat_paths(store_base_dir, device_id);
+ ret_val = W1Util::concat_paths(d_name, device_id);
ret_val = ret_val + "/" + buffer;
return ret_val;
}
-string W1Store::get_store_file_name(string device_id, Date *date_time) {
+string W1Store::get_file_name(string device_id, Date *date_time) {
string ret_val;
string fname;
char buffer[30];
snprintf(buffer, 30, "%d-%02d-%02d", date_time->year, date_time->month, date_time->day);
fname = buffer;
fname = fname + DATAFILE_SUFFIX;
- ret_val = get_store_dir_name(device_id, date_time);
+ ret_val = get_dir_name(device_id, date_time);
ret_val = W1Util::concat_paths(ret_val, fname);
return ret_val;
}
-void W1Store::store(std::string device_id,
- std::list<std::string> *string_list) {
+void W1Store::store(string device_id,
+ list<string> *string_list) {
string f_path;
string line;
ofstream *ostream;
Date *date;
date = new Date();
- f_path = get_store_file_name(device_id, date);
+ f_path = get_file_name(device_id, date);
ostream = W1Util::open_for_writing(f_path.c_str());
// TODO: add mutex to protect string_list while it's read and emptied
if (ostream != NULL) {
delete(date);
}
-void W1Store::load() {
+bool W1Store::load() {
Data *data;
ifstream in;
string line;
+ bool ret_val;
- if (data_range != NULL) {
- delete(data_range);
- data_range = NULL;
+ ret_val = false;
+ if (store_data != NULL) {
+ delete(store_data);
+ store_data = NULL;
}
in.open(store_file_name.c_str());
if (in.is_open() == true) {
while (in.eof() == false) {
getline(in, line);
- data = W1Util::parse_data_line(line);
- if (data_range == NULL) {
- data_range = new DataRange(*data);
+ data = Data::parse_data_string(line);
+ if (store_data == NULL) {
+ store_data = new DataRange(*data);
}
else {
- data_range->add_data(*data);
+ store_data->add_data(*data);
}
delete(data);
}
+ ret_val = true;
}
+ else {
+ log_error("Could not load data from file: %s\n", store_file_name.c_str());
+ }
+ return ret_val;
}
-Data *W1Store::get_mean() {
- int d_count;
- int i_count;
- double avg;
+Data *W1Store::get_sum() {
+ int row_count;
+ int col_count;
double new_val;
int ii;
int jj;
- Date *date;
Data *data;
Data *ret_val;
ret_val = NULL;
- if (data_range == NULL) {
+ data = NULL;
+ if (store_data == NULL) {
load();
}
- if (data_range != NULL) {
- d_count = data_range->get_data_row_count();
- log_debug("data row count: %d\n", d_count);
- if (d_count > 0) {
- i_count = data_range->get_data_column_count();
- log_debug("data item count per row: %d\n", i_count);
- ret_val = new Data(i_count);
- if (i_count > 0) {
- for (ii = 0; ii < d_count - 1; ii++) {
- data = data_range->get_data(ii);
- for (jj = 0; jj < i_count; jj++) {
+ if (store_data != NULL) {
+ row_count = store_data->get_data_row_count();
+ log_debug("data row count: %d\n", row_count);
+ if (row_count > 0) {
+ col_count = store_data->get_data_column_count();
+ log_debug("data item count per row: %d\n", col_count);
+ ret_val = new Data(col_count);
+ if (col_count > 0) {
+ for (ii = 0; ii < row_count - 1; ii++) {
+ data = store_data->get_data(ii);
+ for (jj = 0; jj < col_count; jj++) {
new_val = data->value_arr[jj];
ret_val->value_arr[jj] = ret_val->value_arr[jj] + new_val;
}
- if (ii < (d_count - 2)) {
+ if (ii < (row_count - 2)) {
delete(data);
+ data = NULL;
}
//log_debug("new val: %f, sum: %f\n", new_val, sum);
}
- for (ii = 0; ii < i_count; ii++) {
- ret_val->value_arr[ii] = ret_val->value_arr[ii] / d_count;
+ }
+ ret_val->set_date(data->get_date());
+ if (data != NULL) {
+ delete(data);
+ }
+ }
+ }
+ return ret_val;
+}
+
+Data *W1Store::get_delta() {
+ int row_count;
+ int col_count;
+ Data *o_data;
+ Data *n_data;
+ Data *ret_val;
+ int ii;
+ DataRange *dr;
+
+ ret_val = NULL;
+ dr = get_oldest_and_newest_data();
+ if (dr != NULL) {
+ row_count = dr->get_data_row_count();
+ if (row_count == 2) {
+ o_data = dr->get_data(0);
+ n_data = dr->get_data(1);
+ col_count = dr->get_data_column_count();
+ ret_val = new Data(col_count);
+ if (col_count > 0) {
+ for (ii = 0; ii < col_count; ii++) {
+ ret_val->value_arr[ii] = n_data->value_arr[ii] - o_data->value_arr[ii];
+ }
+ }
+ ret_val->set_date(n_data->get_date());
+ delete(o_data);
+ delete(n_data);
+ }
+ delete(dr);
+ }
+ return ret_val;
+}
+
+Data *W1Store::get_mean() {
+ int row_count;
+ int col_count;
+ int ii;
+ Data *ret_val;
+
+ ret_val = NULL;
+ if (store_data == NULL) {
+ load();
+ }
+ if (store_data != NULL) {
+ row_count = store_data->get_data_row_count();
+ if (row_count > 0) {
+ col_count = store_data->get_data_column_count();
+ ret_val = get_sum();
+ if (col_count > 0) {
+ for (ii = 0; ii < col_count; ii++) {
+ ret_val->value_arr[ii] = ret_val->value_arr[ii] / row_count;
log_debug("avg: %f\n", ret_val->value_arr[ii]);
}
}
+ }
+ }
+ return ret_val;
+}
+
+Data *W1Store::get_max() {
+ int row_count;
+ int col_count;
+ double new_val;
+ int ii;
+ int jj;
+ Data *data;
+ Data *ret_val;
+ double min_val;
+
+ ret_val = NULL;
+ data = NULL;
+ if (store_data == NULL) {
+ load();
+ }
+ if (store_data != NULL) {
+ row_count = store_data->get_data_row_count();
+ log_debug("data row count: %d\n", row_count);
+ if (row_count > 0) {
+ col_count = store_data->get_data_column_count();
+ log_debug("data item count per row: %d\n", col_count);
+ min_val = numeric_limits<double>::min();
+ ret_val = new Data(col_count, min_val);
+ if (col_count > 0) {
+ for (ii = 0; ii < row_count - 1; ii++) {
+ data = store_data->get_data(ii);
+ for (jj = 0; jj < col_count; jj++) {
+ new_val = data->value_arr[jj];
+ if (new_val > ret_val->value_arr[jj]) {
+ ret_val->value_arr[jj] = new_val;
+ }
+ }
+ if (ii < (row_count - 2)) {
+ delete(data);
+ data = NULL;
+ }
+ }
+ }
ret_val->set_date(data->get_date());
- delete(data);
+ if (data != NULL) {
+ delete(data);
+ }
}
}
return ret_val;
}
-Data *W1Store::load_first_data_row() {
- Data *ret_val;
- ifstream in;
- string line;
+Data *W1Store::get_min() {
+ int row_count;
+ int col_count;
+ double new_val;
+ int ii;
+ int jj;
+ Data *data;
+ Data *ret_val;
+ double max_val;
ret_val = NULL;
- in.open(store_file_name.c_str());
- if (in.eof() == false) {
- getline(in, line);
- ret_val = W1Util::parse_data_line(line);
+ data = NULL;
+ if (store_data == NULL) {
+ load();
+ }
+ if (store_data != NULL) {
+ row_count = store_data->get_data_row_count();
+ log_debug("data row count: %d\n", row_count);
+ if (row_count > 0) {
+ col_count = store_data->get_data_column_count();
+ log_debug("data item count per row: %d\n", col_count);
+ max_val = numeric_limits<double>::max();
+ ret_val = new Data(col_count, max_val);
+ if (col_count > 0) {
+ for (ii = 0; ii < row_count - 1; ii++) {
+ data = store_data->get_data(ii);
+ for (jj = 0; jj < col_count; jj++) {
+ new_val = data->value_arr[jj];
+ if (new_val < ret_val->value_arr[jj]) {
+ ret_val->value_arr[jj] = new_val;
+ }
+ }
+ if (ii < (row_count - 2)) {
+ delete(data);
+ data = NULL;
+ }
+ }
+ }
+ ret_val->set_date(data->get_date());
+ if (data != NULL) {
+ delete(data);
+ }
+ }
}
return ret_val;
}
-Data *W1Store::load_last_data_row() {
- Data *ret_val;
+vector<Data *> W1Store::get_mean(int freq_sec) {
+ int row_count;
+ int col_count;
+ int d_count;
+ int jj;
+ int ii;
+ Data *data;
+ Data *calc;
+ Date *limit_d;
+ Date date;
+ vector<Data *> ret_val;
+
+ calc = NULL;
+ limit_d = NULL;
+ d_count = 1;
+ if (store_data == NULL) {
+ load();
+ }
+ if (store_data != NULL) {
+ row_count = store_data->get_data_row_count();
+ if (row_count > 0) {
+ col_count = store_data->get_data_column_count();
+ if (col_count > 0) {
+ for (ii = 0; ii < row_count; ii++) {
+ data = store_data->get_data(ii);
+ if (data != NULL) {
+ if (calc == NULL) {
+ d_count = 1;
+ calc = data->clone();
+ limit_d = data->get_date().clone();
+ limit_d->min = 0;
+ limit_d->sec = 0;
+ limit_d->inc_seconds(freq_sec);
+ }
+ else {
+ date = data->get_date();
+ if (date.before(*limit_d)) {
+ for (jj = 0; jj < col_count; jj++) {
+ calc->value_arr[jj] = calc->value_arr[jj] + data->value_arr[jj];
+ }
+ d_count++;
+ }
+ else {
+ for (jj = 0; jj < col_count; jj++) {
+ calc->value_arr[jj] = calc->value_arr[jj] / d_count;
+ }
+ ret_val.push_back(calc);
+ d_count = 1;
+ calc = data->clone();
+ if (limit_d != NULL) {
+ delete(limit_d);
+ }
+ limit_d = data->get_date().clone();
+ limit_d->min = 0;
+ limit_d->sec = 0;
+ limit_d->inc_seconds(freq_sec);
+ }
+ }
+ delete(data);
+ }
+ }
+ if (calc != NULL) {
+ delete(calc);
+ calc = NULL;
+ }
+ if (limit_d != NULL) {
+ delete(limit_d);
+ }
+ }
+ }
+ }
+ return ret_val;
+}
+
+vector<Data *> W1Store::get_delta(int freq_sec) {
+ int row_count;
+ int col_count;
+ int jj;
+ int ii;
+ Data *data;
+ Data *calc1;
+ Data *calc2;
+ Date *limit_d;
+ Date date;
+ vector<Data *> ret_val;
+
+ calc1 = NULL;
+ calc2 = NULL;
+ limit_d = NULL;
+ if (store_data == NULL) {
+ load();
+ }
+ if (store_data != NULL) {
+ row_count = store_data->get_data_row_count();
+ if (row_count > 0) {
+ col_count = store_data->get_data_column_count();
+ if (col_count > 0) {
+ for (ii = 0; ii < row_count; ii++) {
+ data = store_data->get_data(ii);
+ if (data != NULL) {
+ if (calc1 == NULL) {
+ calc1 = data->clone();
+ limit_d = data->get_date().clone();
+ limit_d->min = 0;
+ limit_d->sec = 0;
+ limit_d->inc_seconds(freq_sec);
+ if (calc2 != NULL) {
+ delete(calc2);
+ }
+ calc2 = NULL;
+ }
+ else {
+ date = data->get_date();
+ if (date.before(*limit_d)) {
+ if (calc2 != NULL) {
+ delete(calc2);
+ }
+ calc2 = data->clone();
+ }
+ else {
+ if (calc2 == NULL) {
+ calc2 = calc1->clone();
+ }
+ for (jj = 0; jj < col_count; jj++) {
+ calc2->value_arr[jj] = calc2->value_arr[jj] - calc1->value_arr[jj];
+ }
+ ret_val.push_back(calc2);
+ delete(calc1);
+ calc1 = data->clone();
+ calc2 = NULL; // do not delete calc2 as it's stored to array
+ if (limit_d != NULL) {
+ delete(limit_d);
+ }
+ limit_d = data->get_date().clone();
+ limit_d->min = 0;
+ limit_d->sec = 0;
+ limit_d->inc_seconds(freq_sec);
+ }
+ }
+ delete(data);
+ }
+ }
+ if (calc1 != NULL) {
+ delete(calc1);
+ calc1 = NULL;
+ }
+ if (calc2 != NULL) {
+ delete(calc2);
+ calc2 = NULL;
+ }
+ if (limit_d != NULL) {
+ delete(limit_d);
+ }
+ }
+ }
+ }
+ return ret_val;
+}
+
+DataRange *W1Store::get_oldest_and_newest_data() {
+ DataRange *ret_val;
ifstream in;
+ Data *o_data;
+ Data *n_data;
+ string latest;
+ int row_count;
string line;
string prev_line;
ret_val = NULL;
- in.open(store_file_name.c_str());
- while (in.eof() == false) {
- getline(in, line);
- if (line.empty() == false) {
- prev_line = line;
+ o_data = NULL;
+ n_data = NULL;
+ if (store_data != NULL) {
+ row_count = store_data->get_data_row_count();
+ if (row_count > 0) {
+ o_data = store_data->get_data(0);
+ n_data = store_data->get_data(row_count - 1);
+ }
+ }
+ else {
+ if (range_data != NULL) {
+ row_count = range_data->get_data_row_count();
+ if (row_count > 0) {
+ o_data = range_data->get_data(0);
+ n_data = range_data->get_data(row_count - 1);
+ }
+ }
+ else {
+ in.open(store_file_name.c_str());
+ while (in.eof() == false) {
+ getline(in, line);
+ if (line.empty() == false) {
+ if (o_data == NULL) {
+ o_data = Data::parse_data_string(line);
+ }
+ prev_line = line;
+ }
+ }
+ if (prev_line.empty() == false) {
+ n_data = Data::parse_data_string(prev_line);
+ }
+ }
+ }
+ if ((o_data != NULL) &&
+ (n_data != NULL)) {
+ ret_val = new DataRange(*o_data);
+ ret_val->add_data(*n_data);
+ if (range_data != NULL) {
+ range_data = new DataRange(*o_data);
+ range_data->add_data(*n_data);
}
}
- if (prev_line.empty() == false) {
- ret_val = W1Util::parse_data_line(prev_line);
+ if (o_data != NULL) {
+ delete(o_data);
+ }
+ if (n_data != NULL) {
+ delete(n_data);
+ }
+ return ret_val;
+}
+
+Data *W1Store::get_oldest_data() {
+ int row_count;
+ Data *ret_val;
+ DataRange *dr;
+
+ ret_val = NULL;
+ dr = get_oldest_and_newest_data();
+ if (dr != NULL) {
+ row_count = dr->get_data_row_count();
+ if (row_count >= 1) {
+ ret_val = dr->get_data(0);
+ }
+ delete(dr);
+ }
+ return ret_val;
+}
+
+Data *W1Store::get_newest_data() {
+ int row_count;
+ Data *ret_val;
+ DataRange *dr;
+
+ ret_val = NULL;
+ dr = get_oldest_and_newest_data();
+ if (dr != NULL) {
+ row_count = dr->get_data_row_count();
+ if (row_count == 2) {
+ ret_val = dr->get_data(1);
+ }
+ delete(dr);
}
return ret_val;
}
projects / lib1wire.git / blobdiff