Working on charts

git-svn-id: file:///home/jan/tmp/wetterstation/trunk@84 dd492736-c11a-0410-ad51-8c26713eaf7f

cronjob/chart/Makefile

@@ -72,7 +72,7 @@ $(OBJS):
 # Programm mit debug-ausgabe bauen
 debug: 
 	@ echo "baue Version mit Debugoutput ..."
-	@ $(MAKE) all DEBUG=-DDEBUG
+	@ $(MAKE) all DEBUG="-DDEBUG -g"
 
 # Installieren
 install:

cronjob/chart/image_file/image_common.h

@@ -2,6 +2,8 @@ typedef struct image_cfg_t {
   char	*file_name;
   char	*headline;
   char  *table_field;
+  int 	manual_table;
+  char  *table_name;
   long 	gen_interval;
   long 	show_interval;
   long 	label_interval;

cronjob/chart/image_file/image_config.c

@@ -39,6 +39,8 @@ static const config_keyword keywords[] = {
   {"filename", 		read_str,               &(img_cfg.file_name),         		""},
   {"headline", 		read_str,               &(img_cfg.headline),         		""},
   {"table_field", 	read_str,               &(img_cfg.table_field),        		""},
+  {"manual_table",   	read_yn,          	&(img_cfg.manual_table),         	"no"},
+  {"manual_table_name", read_str,               &(img_cfg.table_name),        		""},
   {"gen_interval",    	read_time,          	&(img_cfg.gen_interval),         	""},
   {"show_interval",    	read_time,          	&(img_cfg.show_interval),         	""},
   {"label_interval",   	read_time,          	&(img_cfg.label_interval),         	""},

cronjob/chart/image_file/image_data.c

@@ -25,14 +25,20 @@ static char *get_type_table_by_id(PGconn *, int );
 
 
 
+pix_list_ptr get_max(){
+  return min;
+}
 
+pix_list_ptr get_min(){
+  return max;
+}
 
 /* Holt eine Liste mit den Werten und den jeweiligen x-koordinaten */
 pix_list_ptr get_pix_list(int c_width){
   double seconds_per_pix = ((double)c_width)/((double)img_cfg.show_interval);		/* Pixel pro Sekunde */
   char *conn_string 	 = get_conn_string();						/* Verbindungs-String */
   PGconn *conn 		 = pg_check_connect(conn_string);				/* Datenbank - Verbindung */
-  char *table 		 = get_type_table_by_id(conn, img_cfg.sens_id);			/* Tabellen - Name */
+  char *table 		 = NULL;							/* Tabellen - Name */
   char *query		 = malloc(sizeof(char)*BUFFSIZE);				/* Query */
   PGresult *res		 = NULL;							/* Darenbank - Result */
   int time_field;									/* Id ses Timestamp-Feldes */
@@ -47,6 +53,12 @@ pix_list_ptr get_pix_list(int c_width){
   DEBUGOUT1("\nHole Daten...\n");
   DEBUGOUT2("  Ein Pixel entspricht %f sekunden\n", seconds_per_pix);
 
+  if (img_cfg.manual_table) {
+    table = strdup(img_cfg.table_name);
+  } else {
+    table = get_type_table_by_id(conn, img_cfg.sens_id);
+  }
+
   snprintf(query, BUFFSIZE, "SELECT round(date_part('epoch', current_timestamp)) AS now, round(date_part('epoch', timestamp)) AS times, %s AS val FROM %s WHERE  timestamp > (current_timestamp - INTERVAL '%d seconds') ORDER BY times ASC", img_cfg.table_field, table, img_cfg.show_interval );
 
   res = pg_check_exec(conn, query);
@@ -80,6 +92,7 @@ pix_list_ptr get_pix_list(int c_width){
     }
   }
   
+  DEBUGOUT2(" %d Werte geholt \n", i);
   DEBUGOUT3(" Min: x-pos.: %d, Wert: %d\n", min->x_pix_coord, (min->value_sum / min->value_count) );
   DEBUGOUT3(" Max: x-pos.: %d, Wert: %d\n", max->x_pix_coord, (max->value_sum / max->value_count) );
   PQclear(res);

cronjob/chart/image_file/image_data.h

@@ -15,3 +15,7 @@ typedef struct pix_list {
  * 1. Argument: die effektive Breite des Bereiches in dem gezeichnet werden soll
  */
 pix_list_ptr get_pix_list(int );
+
+pix_list_ptr get_min();
+
+pix_list_ptr get_max();

cronjob/chart/image_file/image_file.c

@@ -57,6 +57,8 @@ void process_image_cfg(char *image_cfg_file){
     DEBUGOUT2("Height        = %d\n", img_cfg.height);
     DEBUGOUT2("SensorId      = %d\n", img_cfg.sens_id);
     DEBUGOUT2("TabellenFeld  = %s\n", img_cfg.table_field);
+    DEBUGOUT2("ManualTabelle = %d\n", img_cfg.manual_table);
+    DEBUGOUT2("TabellenName  = %s\n", img_cfg.table_name);
     DEBUGOUT1("\n");
   } else {
     return;
@@ -65,7 +67,7 @@ void process_image_cfg(char *image_cfg_file){
     regenerate_image();
   }
 
-  sleep(3);
+//  sleep(3);
 }
 
 

cronjob/chart/image_file/testimage.conf

@@ -1,8 +1,10 @@
 filename		/home/jan/Testbild.png
 headline		Testbild
+manual_table		no
+manual_table_name	auss2_data
 table_field		temp
 gen_interval		15m
-show_interval		10h
+show_interval		1y	
 label_interval		10m
 label_sum   		no
 width			400