add: version.h

fix: refactor

src/models/relay_save.c

@@ -0,0 +1,75 @@
+#include <stdio.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+#include <uuid/uuid.h>
+
+#include <models/relay.h>
+#include <macros.h>
+
+static int
+relay_save_single(MDB_txn *mdb_txn, MDB_dbi mdb_dbi, db_key_relay_e key_relay, uint8_t relay_num, MDB_val value)
+{
+    int err;
+
+    size_t key_size = sizeof(db_key_relay_e) + sizeof(uint8_t); 
+    uint8_t *key_data = malloc(key_size);
+    uint8_t *key_data_writer = key_data;
+    memmove(key_data_writer, &relay_num, sizeof(uint8_t));
+    key_data_writer += sizeof(uint8_t);
+    memmove(key_data_writer, &key_relay, sizeof(db_key_relay_e));
+
+    MDB_val key;
+    key.mv_size = key_size;
+    key.mv_data = key_data;
+
+    if((err = mdb_put(mdb_txn, mdb_dbi, &key, &value, 0)) != 0)
+    {
+        LOG_ERROR("mdb_put error %s\n", mdb_strerror(err));
+        mdb_txn_abort(mdb_txn);
+        free(key_data);
+        return 1;
+    }
+    free(key_data);
+    return 0;
+}
+
+int
+relay_save(relay_t *relay, MDB_env *mdb_env)
+{
+    LOG_TRACE("saving relay %d @ %p\n", relay->number, relay);
+    int err;
+
+    MDB_txn *mdb_txn;
+    MDB_dbi mdb_dbi;
+    MDB_val value;
+
+    if((err = mdb_txn_begin(mdb_env, NULL, 0, &mdb_txn)) != 0)
+    {
+        LOG_ERROR("mdb_txn_begin error %s\n", mdb_strerror(err));
+        exit(1);
+    }
+
+    if((err = mdb_dbi_open(mdb_txn, "relays", MDB_CREATE, &mdb_dbi)) != 0)
+    {
+        LOG_ERROR("mdb_dbi_open error %s\n", mdb_strerror(err));
+        exit(1);
+    }
+
+    value.mv_size = sizeof(char) * (strlen(relay->name) + 1);
+    value.mv_data = relay->name;
+    if(relay_save_single(mdb_txn, mdb_dbi, DB_KEY_RELAY_NAME, relay->number, value))
+    {
+        LOG_ERROR("failed to save name\n");
+        return 1;
+    }
+
+    mdb_txn_commit(mdb_txn);
+
+    for(int i = 0; i < 7; ++i)
+    {
+        schedule_save(relay->schedules[i], relay->number, mdb_env);
+    }
+
+    return 0;
+}