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authorEbus-at-dockstar <ebus@dockstar>2014-07-25 22:13:55 +0200
committerEbus-at-dockstar <ebus@dockstar>2014-07-25 22:13:55 +0200
commitf6675ccdd7a5997def3c4656f0e2c5dbbbed1fc8 (patch)
tree893a37289de684b95a6184c528e5c9c8547e7197 /datastore-leveldb/src/db.cpp
parentcfb0c10631bbbd31b525e7992b59de06d3c2e550 (diff)
downloadebus-alt-f6675ccdd7a5997def3c4656f0e2c5dbbbed1fc8.tar.gz
ebus-alt-f6675ccdd7a5997def3c4656f0e2c5dbbbed1fc8.zip
embed xexpr-path
Diffstat (limited to 'datastore-leveldb/src/db.cpp')
-rw-r--r--datastore-leveldb/src/db.cpp74
1 files changed, 0 insertions, 74 deletions
diff --git a/datastore-leveldb/src/db.cpp b/datastore-leveldb/src/db.cpp
deleted file mode 100644
index 991a82e..0000000
--- a/datastore-leveldb/src/db.cpp
+++ /dev/null
@@ -1,74 +0,0 @@
-#include "db.h"
-
-#include <iomanip>
-#include <iostream>
-#include <mutex>
-#include <unordered_map>
-#include <sstream>
-
-static std::unordered_map<std::string,leveldb::DB*> dbs;
-static std::mutex getDBmutex;
-
-static bool sensor_name_is_sane(std::string& name) {
- for (auto it = name.begin(); it != name.end(); ++it) {
- if (not ((*it >= '0' and *it <= '9') or
- (*it >= 'A' and *it <= 'Z') or
- (*it >= 'a' and *it <= 'z') or
- (*it == '.'))) {
- return false;
- }
- }
- return true;
-}
-
-std::string db_make_key(const uint64_t timestamp) {
- std::stringstream key;
- key << "ts-";
- key << std::setfill('0') << std::setw(20) << timestamp;
- return key.str();
-}
-
-leveldb::DB *db_get(std::string& name) {
- getDBmutex.lock();
- if (dbs.find(name) == dbs.end()) {
- if (not sensor_name_is_sane(name)) {
- getDBmutex.unlock();
- return nullptr;
- }
- leveldb::DB *db;
- leveldb::Options options;
- options.create_if_missing = true;
- leveldb::Status status = leveldb::DB::Open(options, "data/"+name, &db);
- if (not status.ok()) {
- std::cout << status.ToString() << std::endl;
- getDBmutex.unlock();
- return nullptr;
- }
- dbs[name] = db;
- getDBmutex.unlock();
- return db;
- } else {
- getDBmutex.unlock();
- return dbs.at(name);
- }
-}
-
-
-bool db_insert(std::string& name, const uint64_t timestamp, std::string& value) {
- leveldb::DB *db = db_get(name);
- if (db == nullptr) return false;
-
- auto status = db->Put(leveldb::WriteOptions(), db_make_key(timestamp), value);
- return status.ok();
-}
-
-void db_close() {
- auto it = dbs.begin();
- while (it != dbs.end()) {
- std::cout << "Close Database: " << (*it).first << std::endl;
- delete (*it).second;
- dbs.erase(it++); //post increment!
- }
- std::cout << std::endl;
-}
-