add: relay/piface support

include/models/controller.h

@@ -11,7 +11,7 @@
 /**
  * @brief Information about this controller
  */
-typedef struct controller
+typedef struct
 {
     /**
      * @brief A unique UUID for this controller
@@ -22,7 +22,7 @@ typedef struct controller
      *
      * Includes a \0 terminator.
      */
-    char name[CONTROLLER_NAME_LENGTH + 1];
+    char name[MAX_NAME_LENGTH + 1];
     /**
      * @brief The command port the controller was bound to
      */
@@ -35,22 +35,22 @@ typedef struct controller
      * @brief Amount of relays available to this controller
      */
     uint8_t relay_count;
-    relay **relays;
+    relay_t **relays;
 
-} controller;
+} controller_t;
 
 /**
  * @brief Key to save controller information in database
  */
-typedef enum controller_db_key
+typedef enum
 {
-    KEY_META_ID = 0,
-    KEY_META_NAME = 1,
-    KEY_META_COMMAND_PORT = 2,
-    KEY_META_DISCOVERY_PORT = 3,
-    KEY_META_RELAY_COUNT = 4,
-    KEY_META_RELAYS = 5,
-} controller_db_key;
+    DB_KEY_CONTROLLER_ID = 0,
+    DB_KEY_CONTROLLER_NAME = 1,
+    DB_KEY_CONTROLLER_COMMAND_PORT = 2,
+    DB_KEY_CONTROLLER_DISCOVERY_PORT = 3,
+    DB_KEY_CONTROLLER_RELAY_COUNT = 4,
+    DB_KEY_CONTROLLER_RELAYS = 5,
+} db_key_controller_e;
 
 /**
  * @brief Create a new instance of controller
@@ -59,7 +59,7 @@ typedef enum controller_db_key
  *
  * @return A new instance of #controller
  */
-controller*
+controller_t*
 controller_create(void);
 
 
@@ -72,20 +72,32 @@ controller_create(void);
  *
  * @return A loaded or new instance of controller or NULL on database error
  */
-controller*
+controller_t*
 controller_load(MDB_env *mdb_env);
 
 /**
  * @brief Save a controller to the database
  *
- * @param cntrlr Instance of a controller
+ * @param controller Instance of a controller
  * @param mdb_env Already created MDB_env
  *
  * @return Indicator to show success (0) or failure (!0)
  */
 int
-controller_save(controller *cntrlr, MDB_env *mdb_env);
+controller_save(controller_t *controller, MDB_env *mdb_env);
 
+/**
+ * @brief Sets a name to a controller.
+ * This function won't perform any checks (e.g. no NULL checks)
+ *
+ * @param controller Set the name to this controller
+ * @param name Name to be set
+ */
+void
+controller_set_name(controller_t *controller, char *name);
+
+void
+controller_free(controller_t *controller);
 
 /**
  * @brief Debug an instance of #controller
@@ -95,6 +107,6 @@ controller_save(controller *cntrlr, MDB_env *mdb_env);
  * @param cntrlr #controller to debug
  */
 void
-controller_debug(controller *cntrlr);
+controller_debug(controller_t *controller);
 
 #endif //CONTROLLER_CONTROLLER_H

include/models/period.h

@@ -0,0 +1,19 @@
+#ifndef CONTROLLER_PERIOD_H
+#define CONTROLLER_PERIOD_H
+
+#include <stdint.h>
+#include <time.h>
+
+typedef struct
+{
+    uint16_t start;
+    uint16_t end;
+} period_t;
+
+period_t*
+period_create(uint16_t start, uint16_t end);
+
+int
+period_includes_time(period_t *period, uint16_t timestamp);
+
+#endif /* CONTROLLER_PERIOD_H */

include/models/relay.h

@@ -2,16 +2,63 @@
 #define CONTROLLER_RELAY_H
 
 #include <stdint.h>
+#include <time.h>
+#include <lmdb.h>
 
 #include <config.h>
+#include <models/schedule.h>
 
-typedef struct relay {
-    uint8_t index;
-    char name[128];
-    uint16_t *schedule;
-} relay;
+typedef struct
+{
+    uint8_t number;
+    char name[MAX_NAME_LENGTH + 1];
+    schedule_t *schedule;
+} relay_t;
 
-relay*
-relay_init(uint8_t index);
+/**
+ * @brief Key to save relay information in database
+ */
+typedef enum
+{
+    DB_KEY_RELAY_NAME = 0,
+    DB_KEY_RELAY_SCHEDULE_ID = 1,
+    DB_KEY_RELAY_SCHEDULE_PERIODS = 2,
+} db_key_relay_e;
+
+relay_t*
+relay_create(uint8_t number);
+
+void
+relay_set_name(relay_t *relay, char *name);
+
+/**
+ * @brief Load a relay for database or create a new one
+ *
+ * @param mdb_env An opened MDB_env to load from
+ *
+ * @return A loaded or new instance of relay
+ */
+relay_t*
+relay_load(MDB_env *mdb_env, uint8_t num);
+
+/**
+ * @brief Save a relay to the database
+ *
+ * @param relay Instance of a relay
+ * @param mdb_env Already created MDB_env
+ *
+ * @return Indicator to show success (0) or failure (!0)
+ */
+int
+relay_save(relay_t *relay, MDB_env *mdb_env);
+
+int
+relay_is_active(relay_t *relay, time_t timestamp_now);
+
+void
+relay_free(relay_t *relay);
+
+void
+relay_debug(relay_t *relay);
 
 #endif //CONTROLLER_RELAY_H

include/models/schedule.h

@@ -0,0 +1,28 @@
+#ifndef CONTROLLER_SCHEDULE_H
+#define CONTROLLER_SCHEDULE_H
+
+#include <stdint.h>
+#include <uuid/uuid.h>
+
+#include <models/period.h>
+
+typedef struct
+{
+    uuid_t id;
+    uint16_t length;
+    period_t **periods;
+} schedule_t;
+
+schedule_t*
+schedule_create(uuid_t id, uint16_t length, uint16_t *periods_blob);
+
+uint16_t*
+schedule_periods_to_blob(schedule_t *schedule);
+
+void
+schedule_free(schedule_t *schedule);
+
+void
+schedule_debug(schedule_t *schedule);
+
+#endif /* CONTROLLER_SCHEDULE_H */