1 files changed, 0 insertions, 469 deletions
diff --git a/ll-database-binding/src/ll-database-binding.c b/ll-database-binding/src/ll-database-binding.c
deleted file mode 100644
index e08156e..0000000
--- a/ll-database-binding/src/ll-database-binding.c
+++ /dev/null
@@ -1,469 +0,0 @@
-/*
- * Copyright 2017 IoT.bzh
- *
- * author: Loïc Collignon <loic.collignon@iot.bzh>
- * author: Jose Bollo <jose.bollo@iot.bzh>
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define _GNU_SOURCE
-#include <unistd.h>
-#include <sys/types.h>
-#include <pwd.h>
-#include <stdio.h>
-#include <string.h>
-#include <limits.h>
-
-#include <json-c/json.h>
-
-#define AFB_BINDING_VERSION 2
-#include <afb/afb-binding.h>
-
-#if !defined(TO_STRING_FLAGS)
-# if !defined(JSON_C_TO_STRING_NOSLASHESCAPE)
-#  define JSON_C_TO_STRING_NOSLASHESCAPE (1<<4)
-# endif
-# define TO_STRING_FLAGS (JSON_C_TO_STRING_PLAIN | JSON_C_TO_STRING_NOSLASHESCAPE)
-#endif
-
-#if defined(USE_BERKELEY_DB)
-#  undef USE_BERKELEY_DB
-#endif
-
-#if defined(USE_GDBM)
-#  undef USE_GDBM
-#  define USE_GDBM        1
-#  define USE_BERKELEY_DB 0
-#else
-#  define USE_GDBM        0
-#  define USE_BERKELEY_DB 1
-#endif
-
-// ----- Berkeley database -----
-#if USE_BERKELEY_DB
-
-#include <db.h>
-
-#define DBFILE	"ll-database-binding.db"
-#define DATA	DBT
-#define DATA_SET(k,d,s)  do{memset((k),0,sizeof*(k));(k)->data=(void*)d;(k)->size=(uint32_t)s;}while(0)
-#define DATA_PTR(k)      ((void*)((k).data))
-#define DATA_STR(k)      ((char*)((k).data))
-#define DATA_SZ(k)       ((size_t)((k).size))
-
-static DB *database;
-
-static int xdb_open(const char *path)
-{
-	int ret;
-
-	ret = db_create(&database, NULL, 0);
-	if (ret != 0)
-	{
-		AFB_ERROR("Failed to create database: %s.", db_strerror(ret));
-		return -1;
-	}
-
-	ret = database->open(database, NULL, path, NULL, DB_BTREE, DB_CREATE, 0600);
-	if (ret != 0)
-	{
-		AFB_ERROR("Failed to open the '%s' database: %s.", path, db_strerror(ret));
-		database->close(database, 0);
-		return -1;
-	}
-	return 0;
-}
-
-static void xdb_put(struct afb_req req, DBT *key, DBT *data, int replace)
-{
-	int ret;
-
-	ret = database->put(database, NULL, key, data, replace ? 0 : DB_NOOVERWRITE);
-	if (ret == 0)
-		afb_req_success(req, NULL, NULL);
-	else
-	{
-		AFB_ERROR("can't %s key %s with %s", replace ? "replace" : "insert", DATA_STR(*key), DATA_STR(*data));
-		afb_req_fail_f(req, "failed", "%s", db_strerror(ret));
-	}
-}
-
-static void xdb_delete(struct afb_req req, DBT *key)
-{
-	int ret;
-
-	ret = database->del(database, NULL, key, 0);
-	if (ret == 0)
-		afb_req_success_f(req, NULL, NULL);
-	else
-	{
-		AFB_ERROR("can't delete key %s", DATA_STR(*key));
-		afb_req_fail_f(req, "failed", "%s", db_strerror(ret));
-	}
-
-	free(DATA_PTR(key));
-}
-
-static void verb_read(struct afb_req req)
-{
-	DATA key;
-	DATA data;
-	int ret;
-
-	char value[4096];
-
-	struct json_object* result;
-	struct json_object* val;
-
-
-	if (get_key(req, &key))
-		return;
-
-	AFB_INFO("read: key=%s", DATA_STR(key));
-
-	memset(&data, 0, sizeof data);
-	data.data = value;
-	data.ulen = 4096;
-	data.flags = DB_DBT_USERMEM;
-
-	ret = database->get(database, NULL, &key, &data, 0);
-	if (ret == 0)
-	{
-		result = json_object_new_object();
-		val = json_tokener_parse(DATA_STR(data));
-		json_object_object_add(result, "value", val ? val : json_object_new_string(DATA_STR(data)));
-
-		afb_req_success_f(req, result, "db success: read %s=%s.", DATA_STR(key), DATA_STR(data));
-	}
-	else
-		afb_req_fail_f(req, "Failed to read datas.", "db fail: read %s - %s", DATA_STR(key), db_strerror(ret));
-
-	free(DATA_PTR(key));
-}
-
-#endif
-
-// ----- gdbm database -----
-#if USE_GDBM
-
-#include <errno.h>
-#include <gdbm.h>
-
-#define DBFILE	"ll-database-binding.dbm"
-#define DATA	datum
-#define DATA_SET(k,d,s)  do{(k)->dptr=(char*)d;(k)->dsize=(int)s;}while(0)
-#define DATA_PTR(k)      ((void*)((k).dptr))
-#define DATA_STR(k)      ((char*)((k).dptr))
-#define DATA_SZ(k)       ((size_t)((k).dsize))
-
-#if GDBM_VERSION_MAJOR > 1 || (GDBM_VERSION_MAJOR == 1 && GDBM_VERSION_MINOR >= 13)
-# define IFSYS(yes,no)   (gdbm_syserr[gdbm_errno] ? (yes) : (no))
-#else
-# define IFSYS(yes,no)   (no)
-#endif
-
-static GDBM_FILE database;
-
-static void onfatal(const char *text)
-{
-	AFB_ERROR("fatal gdbm message: %s", text);
-}
-
-static int xdb_open(const char *path)
-{
-	database = gdbm_open(path, 512, GDBM_WRCREAT|GDBM_SYNC, 0600, onfatal);
-	if (!database)
-	{
-		AFB_ERROR("Fail to open/create database: %s%s%s",
-			gdbm_errlist[gdbm_errno],
-			IFSYS(", ", ""),
-			IFSYS(strerror(errno), ""));
-		return -1;
-		
-	}
-	return 0;
-}
-
-static void xdb_put(struct afb_req req, datum *key, datum *data, int replace)
-{
-	int ret;
-
-	ret = gdbm_store(database, *key, *data, replace ? GDBM_REPLACE : GDBM_INSERT);
-	if (ret == 0)
-		afb_req_success(req, NULL, NULL);
-	else
-	{
-		AFB_ERROR("can't %s key %s with %s: %s%s%s",
-			replace ? "replace" : "insert",
-			DATA_STR(*key),
-			DATA_STR(*data),
-			gdbm_errlist[gdbm_errno],
-			IFSYS(", ", ""),
-			IFSYS(strerror(errno), ""));
-		afb_req_fail_f(req, "failed", "%s", ret > 0 ? "key already exists" : gdbm_errlist[gdbm_errno]);
-	}
-}
-
-static void xdb_delete(struct afb_req req, datum *key)
-{
-	int ret;
-
-	ret = gdbm_delete(database, *key);
-	if (ret == 0)
-		afb_req_success_f(req, NULL, NULL);
-	else
-	{
-		AFB_ERROR("can't delete key %s: %s%s%s",
-			DATA_STR(*key),
-			gdbm_errlist[gdbm_errno],
-			IFSYS(", ", ""),
-			IFSYS(strerror(errno), ""));
-		afb_req_fail_f(req, "failed", "%s", gdbm_errlist[gdbm_errno]);
-	}
-}
-
-static void xdb_get(struct afb_req req, datum *key)
-{
-	struct json_object* obj;
-	datum result;
-
-	result = gdbm_fetch(database, *key);
-	if (result.dptr)
-	{
-		obj = json_object_new_object();
-		json_object_object_add(obj, "value", json_tokener_parse(result.dptr));
-		afb_req_success(req, obj, NULL);
-		free(result.dptr);
-	}
-	else
-	{
-		AFB_ERROR("can't get key %s: %s%s%s",
-			DATA_STR(*key),
-			gdbm_errlist[gdbm_errno],
-			IFSYS(", ", ""),
-			IFSYS(strerror(errno), ""));
-		afb_req_fail_f(req, "failed", "%s", gdbm_errlist[gdbm_errno]);
-	}
-}
-#endif
-
-// ----- Binding's implementations -----
-
-/**
- * @brief Get the path to the database
- */
-static int get_database_path(char *buffer, size_t size)
-{
-	static const char dbfile[] = DBFILE;
-
-	char *home, *config;
-	int rc;
-
-	config = secure_getenv("XDG_CONFIG_HOME");
-	if (config)
-		rc = snprintf(buffer, size, "%s/%s", config, dbfile);
-	else
-	{
-		home = secure_getenv("HOME");
-		if (home)
-			rc = snprintf(buffer, size, "%s/.config/%s", home, dbfile);
-		else
-		{
-			uid_t uid = getuid();
-			struct passwd *pwd = getpwuid(uid);
-			if (pwd)
-				rc = snprintf(buffer, size, "%s/.config/%s", pwd->pw_dir, dbfile);
-			else
-				rc = snprintf(buffer, size, "/home/%d/.config/%s", (int)uid, dbfile);
-		}
-	}
-	return rc;
-}
-
-/**
- * @brief Initialize the binding.
- * @return Exit code, zero if success.
- */
-static int ll_database_binding_init()
-{
-	char path[PATH_MAX];
-	int ret;
-
-	ret = get_database_path(path, sizeof path);
-	if (ret < 0 || (int)ret >=  (int)(sizeof path))
-	{
-		AFB_ERROR("Can't compute the database filename");
-		return -1;
-	}
-
-	AFB_INFO("opening database %s", path);
-	return xdb_open(path);
-}
-
-/**
- * Returns the database key for the 'req'
- */
-static int get_key(struct afb_req req, DATA *key)
-{
-	char *appid, *data;
-	const char *jkey;
-
-	size_t ljkey, lappid, size;
-
-	struct json_object* args;
-	struct json_object* item;
-
-	/* get the key */
-	args = afb_req_json(req);
-	if (!json_object_object_get_ex(args, "key", &item))
-	{
-		afb_req_fail(req, "no-key", NULL);
-		return -1;
-	}
-	if (!item
-	 || !(jkey = json_object_get_string(item))
-	 || !(ljkey = strlen(jkey)))
-	{
-		afb_req_fail(req, "bad-key", NULL);
-		return -1;
-	}
-
-	/* get the appid */
-	appid = afb_req_get_application_id(req);
-#if 1
-	if (!appid)
-		appid = strdup("#UNKNOWN-APP#");
-#endif
-	if (!appid)
-	{
-		afb_req_fail(req, "bad-context", NULL);
-		return -1;
-	}
-
-	/* make the db-key */
-	lappid = strlen(appid);
-	size = lappid + ljkey + 2;
-	data = realloc(appid, size);
-	if (!data)
-	{
-		free(appid);
-		afb_req_fail(req, "out-of-memory", NULL);
-		return -1;
-	}
-	data[lappid] = ':';
-	memcpy(&data[lappid + 1], jkey, ljkey + 1);
-
-	/* return the key */
-	DATA_SET(key, data, size);
-	return 0;
-}
-
-static void put(struct afb_req req, int replace)
-{
-	DATA key;
-	DATA data;
-
-	const char* value;
-
-	struct json_object* args;
-	struct json_object* item;
-
-	/* get the value */
-	args = afb_req_json(req);
-	if (!json_object_object_get_ex(args, "value", &item))
-	{
-		afb_req_fail(req, "no-value", NULL);
-		return;
-	}
-	value = json_object_to_json_string_ext(item, TO_STRING_FLAGS);
-	if (!value)
-	{
-		afb_req_fail(req, "out-of-memory", NULL);
-		return;
-	}
-	DATA_SET(&data, value, strlen(value) + 1); /* includes the tailing null */
-
-	/* get the key */
-	if (get_key(req, &key))
-		return;
-
-	AFB_INFO("put: key=%s, value=%s", DATA_STR(key), DATA_STR(data));
-	xdb_put(req, &key, &data, replace);
-	free(DATA_PTR(key));
-}
-
-static void verb_insert(struct afb_req req)
-{
-	put(req, 0);
-}
-
-static void verb_update(struct afb_req req)
-{
-	put(req, 1);
-}
-
-static void verb_delete(struct afb_req req)
-{
-	DATA key;
-
-	if (get_key(req, &key))
-		return;
-
-	AFB_INFO("delete: key=%s", DATA_STR(key));
-	xdb_delete(req, &key);
-	free(DATA_PTR(key));
-}
-
-static void verb_read(struct afb_req req)
-{
-	DATA key;
-
-	if (get_key(req, &key))
-		return;
-
-	AFB_INFO("read: key=%s", DATA_STR(key));
-	xdb_get(req, &key);
-	free(DATA_PTR(key));
-}
-
-// ----- Binding's configuration -----
-/*
-static const struct afb_auth ll_database_binding_auths[] = {
-};
-*/
-
-#define VERB(name_,auth_,info_,sess_) {\
-	.verb = #name_, \
-	.callback = verb_##name_, \
-	.auth = auth_, \
-	.info = info_, \
-	.session = sess_ }
-
-static const afb_verb_v2 ll_database_binding_verbs[]= {
-	VERB(insert,	NULL, NULL, AFB_SESSION_NONE_V2),
-	VERB(update,	NULL, NULL, AFB_SESSION_NONE_V2),
-	VERB(delete,	NULL, NULL, AFB_SESSION_NONE_V2),
-	VERB(read,	NULL, NULL, AFB_SESSION_NONE_V2),
-        { .verb = NULL}
-};
-
-const struct afb_binding_v2 afbBindingV2 = {
-	.api = "ll-database",
-	.specification = NULL,
-	.verbs = ll_database_binding_verbs,
-	.preinit = NULL,
-	.init = ll_database_binding_init,
-	.onevent = NULL,
-	.noconcurrency = 0
-};