controller-legacy/models/controller_save.c

#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <uuid/uuid.h>

#include <models/controller.h>
#include <macros.h>

int
controller_save_single(MDB_txn *mdb_txn, MDB_dbi mdb_dbi, controller_db_key key_meta, MDB_val value)
{
    int err;

    MDB_val key;
    key.mv_size = sizeof(controller_db_key);
    key.mv_data = &key_meta;

    if((err = mdb_put(mdb_txn, mdb_dbi, &key, &value, 0)) != 0)
    {
        fprintf(stderr, "mdb_put error %s\n", mdb_strerror(err));
        mdb_txn_abort(mdb_txn);
        return 1;
    }
    return 0;
}

int
controller_save(controller *cntrlr, MDB_env *mdb_env)
{
    int err;

    MDB_txn *mdb_txn;
    MDB_dbi mdb_dbi;
    MDB_val value;

    controller_debug(cntrlr);

    if((err = mdb_txn_begin(mdb_env, NULL, 0, &mdb_txn)) != 0)
    {
        fprintf(stderr, "mdb_txn_begin error %s\n", mdb_strerror(err));
        exit(1);
    }

    if((err = mdb_dbi_open(mdb_txn, "meta", MDB_CREATE, &mdb_dbi)) != 0)
    {
        fprintf(stderr, "mdb_dbi_open error %s\n", mdb_strerror(err));
        exit(1);
    }

    value.mv_size = sizeof(cntrlr->id);
    value.mv_data = cntrlr->id;
    if(controller_save_single(mdb_txn, mdb_dbi, KEY_META_ID, value))
    {
        return 1;
    }

    value.mv_size = sizeof(char) * (strlen(cntrlr->name) + 1);
    value.mv_data = cntrlr->name;
    if(controller_save_single(mdb_txn, mdb_dbi, KEY_META_NAME, value))
    {
        return 1;
    }

    value.mv_size = sizeof(cntrlr->command_port);
    value.mv_data = &cntrlr->command_port;
    if(controller_save_single(mdb_txn, mdb_dbi, KEY_META_COMMAND_PORT, value))
    {
        return 1;
    }

    value.mv_size = sizeof(cntrlr->discovery_port);
    value.mv_data = &cntrlr->discovery_port;
    if(controller_save_single(mdb_txn, mdb_dbi, KEY_META_DISCOVERY_PORT, value))
    {
        return 1;
    }

    value.mv_size = sizeof(cntrlr->relay_count);
    value.mv_data = &cntrlr->relay_count;
    if(controller_save_single(mdb_txn, mdb_dbi, KEY_META_RELAY_COUNT, value))
    {
        return 1;
    }

    mdb_txn_commit(mdb_txn);

    return 0;
}