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authorLoïc Collignon <loic.collignon@iot.bzh>2017-10-24 13:34:38 +0200
committerLoïc Collignon <loic.collignon@iot.bzh>2017-10-24 13:34:38 +0200
commit97325dd67f3b7858bd093fc161d0a56e7c7bc9bd (patch)
tree6478f34c28889205ddd7f000e3dd75aef68316cd /ll-store-binding/src
parent4f50493fc0ef4d0c33124ebf52908849196ad685 (diff)
replaced store binding with a database binding based on a berkeley db
Change-Id: I03978ecbf996ebc6d53a88dfd2b275051080016f Signed-off-by: Loïc Collignon <loic.collignon@iot.bzh>
Diffstat (limited to 'll-store-binding/src')
-rw-r--r--ll-store-binding/src/CMakeLists.txt16
-rw-r--r--ll-store-binding/src/export.map1
-rw-r--r--ll-store-binding/src/ll-store-binding.c269
3 files changed, 0 insertions, 286 deletions
diff --git a/ll-store-binding/src/CMakeLists.txt b/ll-store-binding/src/CMakeLists.txt
deleted file mode 100644
index b447f98..0000000
--- a/ll-store-binding/src/CMakeLists.txt
+++ /dev/null
@@ -1,16 +0,0 @@
-PROJECT_TARGET_ADD(ll-store-binding)
-
-list(APPEND link_libraries "/usr/lib64/liblmdb.so")
-add_library(ll-store-binding MODULE ll-store-binding.c)
-
-set_target_properties(ll-store-binding PROPERTIES
- PREFIX "afb-"
- LABELS "BINDING"
- LINK_FLAGS ${BINDINGS_LINK_FLAG}
- OUTPUT_NAME ${TARGET_NAME})
-
-target_link_libraries(ll-store-binding ${link_libraries})
-
-install(
- TARGETS ll-store-binding
- LIBRARY DESTINATION ${BINDINGS_INSTALL_DIR})
diff --git a/ll-store-binding/src/export.map b/ll-store-binding/src/export.map
deleted file mode 100644
index ee2f413..0000000
--- a/ll-store-binding/src/export.map
+++ /dev/null
@@ -1 +0,0 @@
-{ global: afbBindingV*; local: *; };
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
-};