61 lines
1.5 KiB
C
61 lines
1.5 KiB
C
/***
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* Here are the wrappers for the lightning database
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*/
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#include <stdlib.h>
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#include "lmdb.h"
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#include "ipfs/repo/fsrepo/lmdb_datastore.h"
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/**
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* Open an lmdb database with the given parameters.
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* Note: for now, the parameters are not used
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* @param argc number of parameters in the following array
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* @param argv an array of parameters
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*/
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int repo_fsrepro_lmdb_open(int argc, char** argv, struct Datastore* datastore) {
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// create environment
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struct MDB_env* mdb_env;
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int retVal = mdb_env_create(&mdb_env);
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if (retVal < 0) {
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mdb_env_close(mdb_env);
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return 0;
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}
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// open the environment
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retVal = mdb_env_open(mdb_env, datastore->path, 0, 755);
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if (retVal < 0) {
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mdb_env_close(mdb_env);
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return 0;
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}
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datastore->handle = (void*)mdb_env;
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return 1;
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}
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/***
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* Close an LMDB database
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* NOTE: for now, argc and argv are not used
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* @param argc number of parameters in the argv array
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* @param argv parameters to be passed in
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* @param datastore the datastore struct that contains information about the opened database
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*/
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int repo_fsrepo_lmdb_close(int argc, char** argv, struct Datastore* datastore) {
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struct MDB_env* mdb_env = (struct MDB_env*)datastore->handle;
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mdb_env_close(mdb_env);
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free(mdb_env);
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return 1;
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}
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/***
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* Places the LMDB methods into the datastore's function pointers
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* @param datastore the datastore to fill
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* @returns true(1) on success;
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*/
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int repo_fsrepo_lmdb_cast(struct Datastore* datastore) {
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datastore->datastore_open = &repo_fsrepro_lmdb_open;
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datastore->datastore_close = &repo_fsrepo_lmdb_close;
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return 1;
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}
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