add: relay/piface support

models/schedule.c

@@ -0,0 +1,89 @@
+#include <stdlib.h>
+#include <string.h>
+
+#include <logger.h>
+#include <models/schedule.h>
+
+schedule_t*
+schedule_create(uuid_t id, uint16_t length, uint16_t *periods_blob)
+{
+    schedule_t *new_schedule = malloc(sizeof(schedule_t));
+
+    memmove(new_schedule->id, id, sizeof(uuid_t));
+
+    new_schedule->length = length;
+    new_schedule->periods = NULL;
+
+    if(length)
+    {
+        new_schedule->periods = malloc(sizeof(period_t*) * length);
+
+        for(uint16_t i = 0; i < length; ++i)
+        {
+            uint16_t start = periods_blob[0 + (i * 2)];
+            uint16_t   end = periods_blob[1 + (i * 2)];
+            new_schedule->periods[i] = period_create(start, end);
+        }
+    }
+
+    return new_schedule;
+}
+
+uint16_t*
+schedule_periods_to_blob(schedule_t *schedule)
+{
+    uint16_t *periods_blob = malloc(sizeof(uint16_t) * ((2 * schedule->length) + 1));
+    periods_blob[0] = schedule->length;
+
+    for(uint16_t i = 0; i < schedule->length; ++i)
+    {
+
+        periods_blob[1 + (i * 2)] = schedule->periods[i]->start;
+        periods_blob[2 + (i * 2)] = schedule->periods[i]->end;
+    }
+
+    return periods_blob;
+}
+
+void
+schedule_free(schedule_t *schedule)
+{
+    for(uint16_t i = 0; i < schedule->length; ++i)
+    {
+        free(schedule->periods[i]);
+    }
+    free(schedule->periods);
+    free(schedule);
+}
+
+void
+schedule_debug(schedule_t *schedule)
+{
+    if(schedule == NULL)
+    {
+        LOG_DEBUG("schedule is NULL");
+        return;
+    }
+    char uuid_str[37];
+    uuid_unparse(schedule->id, uuid_str);
+    LOG_DEBUG("(1/3) %s @ %p", uuid_str, schedule);
+    LOG_DEBUG("(2/3) period count: %3d", schedule->length);
+
+    // one block: "HH:MM-HH:MM, " --> size: 13 (14 with '\0')
+    char *periods_debug_str = malloc(sizeof(char) * ((schedule->length * 13) + 1));
+    periods_debug_str[0] = '\0';
+
+    for(uint16_t i = 0; i < schedule->length; ++i)
+    {
+        sprintf(
+            periods_debug_str + (13 * i),
+            "%02d:%02d-%02d:%02d, ",
+            schedule->periods[i]->start / 60,
+            schedule->periods[i]->start % 60,
+            schedule->periods[i]->end / 60,
+            schedule->periods[i]->end % 60
+        );
+    }
+
+    LOG_DEBUG("(3/3) periods: %s", periods_debug_str);
+}