diff options
Diffstat (limited to 'll-store-binding/src/ll-store-binding.c')
| -rw-r--r-- | ll-store-binding/src/ll-store-binding.c | 269 |
1 files changed, 0 insertions, 269 deletions
diff --git a/ll-store-binding/src/ll-store-binding.c b/ll-store-binding/src/ll-store-binding.c deleted file mode 100644 index fd65552..0000000 --- a/ll-store-binding/src/ll-store-binding.c +++ /dev/null @@ -1,269 +0,0 @@ -#define _GNU_SOURCE -#include <stdio.h> -#include <string.h> -#include <json-c/json.h> -#include <lmdb.h> - -#define AFB_BINDING_VERSION 2 -#include <afb/afb-binding.h> - -#define DB_FILE "/home/agl/projects/ll-store-binding/build/src/ll-store-binding.lmdb" - -MDB_env* dbenv; - -/// @brief Get a string from a json object. -/// @param[in] obj Json object from wich the string is queried. -/// @param[in] name Name of the string to get. -/// @return -const char* get_json_string(struct json_object* obj, const char* name) -{ - if (!obj || !name || !strlen(name)) return NULL; - - struct json_object* item = NULL; - if (!json_object_object_get_ex(obj, name, &item) || !item) return NULL; - - return json_object_get_string(item); -} - -char* make_key(const char* username, const char* appname, const char* tagname) -{ - size_t sz_username = username ? strlen(username) : 0; - size_t sz_appname = appname ? strlen(appname) : 0; - size_t sz_tagname = tagname ? strlen(tagname) : 0; - size_t sz_total = sz_username + sz_appname + sz_tagname + 3; - - char* result = (char*)malloc(sz_total); - memset(result, sz_total, 0); - - strcpy(result, username); - result[sz_username] = '.'; - - strcpy(result + sz_username + 1, appname); - result[sz_username + 1 + sz_appname] = '.'; - - strcpy(result + sz_username + 1 + sz_appname + 1, tagname); - - return result; -} - -static void verb_get(struct afb_req req) -{ - int r; - struct json_object* args = afb_req_json(req); - - AFB_INFO("args:\n%s\n", json_object_to_json_string_ext(args, JSON_C_TO_STRING_PRETTY)); - - const char* username = get_json_string(args, "username"); - const char* appname = get_json_string(args, "appname"); - const char* tagname = get_json_string(args, "tagname"); - - if (!username || !appname || !tagname) - { - AFB_ERROR("[store] username, appname and tagname must be provided!"); - afb_req_fail(req, "username, appname and tagname must be provided!", NULL); - return; - } - - char* keyname = make_key(username, appname, tagname); - - MDB_txn* txn; - r = mdb_txn_begin(dbenv, NULL, 0, &txn); - if (r) - { - free(keyname); - AFB_ERROR("Failed to begin a transaction!"); - afb_req_fail(req, "Failed to begin a transaction!", NULL); - return; - } - - MDB_dbi dbi; - r = mdb_dbi_open(txn, NULL, 0, &dbi); - if (r) - { - free(keyname); - mdb_txn_abort(txn); - AFB_ERROR("Failed to open the database!"); - afb_req_fail(req, "Failed to open the database!", NULL); - return; - } - - MDB_val k; - MDB_val v; - k.mv_size = strlen(keyname) + 1; - k.mv_data = keyname; - - if(mdb_get(txn, dbi, &k, &v)) - { - free(keyname); - mdb_txn_abort(txn); - mdb_dbi_close(dbenv, dbi); - AFB_ERROR("Failed to get the data!"); - afb_req_fail(req, "Failed to get the data!", NULL); - return; - } - - char* value = strndup(v.mv_data, v.mv_size + 1); - if(mdb_txn_commit(txn)) - { - free(keyname); - free(value); - mdb_dbi_close(dbenv, dbi); - AFB_ERROR("Failed to commit the transaction!"); - return; - } - - json_object* result = json_object_new_object(); - json_object_object_add(result, "key", json_object_new_string(keyname)); - json_object_object_add(result, "value", json_object_new_string(value)); - afb_req_success(req, result, NULL); - - free(value); - free(keyname); - return; -} - -static void verb_set(struct afb_req req) -{ - int r; - struct json_object* args = afb_req_json(req); - - AFB_INFO("args:\n%s\n", json_object_to_json_string_ext(args, JSON_C_TO_STRING_PRETTY)); - - const char* username = get_json_string(args, "username"); - const char* appname = get_json_string(args, "appname"); - const char* tagname = get_json_string(args, "tagname"); - const char* value = get_json_string(args, "value"); - - if (!username || !appname || !tagname) - { - AFB_ERROR("[store] username, appname and tagname must be provided!"); - afb_req_fail(req, "username, appname and tagname must be provided!", NULL); - return; - } - - char* keyname = make_key(username, appname, tagname); - - MDB_txn* txn; - r = mdb_txn_begin(dbenv, NULL, 0, &txn); - if (r) - { - free(keyname); - AFB_ERROR("Failed to begin a transaction!"); - afb_req_fail(req, "Failed to begin a transaction!", NULL); - return; - } - - MDB_dbi dbi; - r = mdb_dbi_open(txn, NULL, 0, &dbi); - if (r) - { - free(keyname); - mdb_txn_abort(txn); - AFB_ERROR("Failed to open the database!"); - afb_req_fail(req, "Failed to open the database!", NULL); - return; - } - - MDB_val k; - MDB_val v; - k.mv_size = strlen(keyname) + 1; - k.mv_data = keyname; - v.mv_size = value ? strlen(value) + 1 : 0; - v.mv_data = value; - - if(mdb_put(txn, dbi, &k, &v, 0)) - { - free(keyname); - mdb_txn_abort(txn); - mdb_dbi_close(dbenv, dbi); - AFB_ERROR("Failed to get the data!"); - afb_req_fail(req, "Failed to get the data!", NULL); - return; - } - - if(mdb_txn_commit(txn)) - { - free(keyname); - mdb_dbi_close(dbenv, dbi); - AFB_ERROR("Failed to commit the transaction!"); - return; - } - - json_object* result = json_object_new_object(); - json_object_object_add(result, "key", json_object_new_string(keyname)); - json_object_object_add(result, "value", json_object_new_string(value)); - afb_req_success(req, result, NULL); - - free(keyname); - return; -} - -int ll_store_preinit() -{ - int r = mdb_env_create(&dbenv); - if (r) - { - AFB_INFO("Failed to create MDB environment!"); - dbenv = NULL; - return r; - } - - r = mdb_env_open(dbenv, "/home/agl/ll-store-binding.lmdb", MDB_NOSUBDIR, 0644); - if (r) - { - mdb_env_close(dbenv); - dbenv = NULL; - AFB_INFO("Failed to open MDB environment!"); - return r; - } - -/* - MDB_txn* txn; - r = mdb_txn_begin(dbenv, NULL, 0, &txn); - if (r) - { - mdb_env_close(dbenv); - dbenv = NULL; - AFB_INFO("Failed to begin a transaction!"); - return r; - } - - MDB_dbi dbi; - r = mdb_dbi_open(txn, NULL, 0, &dbi); - if (r) - { - mdb_env_close(dbenv); - AFB_INFO("Failed to open the database!"); - dbenv = NULL; - } -*/ - return 0; -} - -static const afb_verb_v2 _ll_store_binding_verbs[]= { - { - .verb = "get", - .callback = verb_get, - .auth = NULL, - .info = NULL, - .session = AFB_SESSION_NONE_V2 - }, - { - .verb = "set", - .callback = verb_set, - .auth = NULL, - .info = NULL, - .session = AFB_SESSION_NONE_V2 - }, - { .verb=NULL} -}; - -const struct afb_binding_v2 afbBindingV2 = { - .api = "ll-store", - .specification = NULL, - .verbs = _ll_store_binding_verbs, - .preinit = ll_store_preinit, - .init = NULL, - .onevent = NULL, - .noconcurrency = 0 -}; |