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/*-
* Public Domain 2008-2014 WiredTiger, Inc.
*
* This is free and unencumbered software released into the public domain.
*
* Anyone is free to copy, modify, publish, use, compile, sell, or
* distribute this software, either in source code form or as a compiled
* binary, for any purpose, commercial or non-commercial, and by any
* means.
*
* In jurisdictions that recognize copyright laws, the author or authors
* of this software dedicate any and all copyright interest in the
* software to the public domain. We make this dedication for the benefit
* of the public at large and to the detriment of our heirs and
* successors. We intend this dedication to be an overt act of
* relinquishment in perpetuity of all present and future rights to this
* software under copyright law.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
#include <assert.h>
#include <iostream>
#include "leveldb_wt.h"
using namespace std;
extern "C" int main() {
leveldb::DB* db;
leveldb::Options options;
options.create_if_missing = true;
leveldb::Status s = leveldb::DB::Open(options, "WTLDB_HOME", &db);
assert(s.ok());
s = db->Put(leveldb::WriteOptions(), "key", "value");
s = db->Put(leveldb::WriteOptions(), "key2", "value2");
s = db->Put(leveldb::WriteOptions(), "key3", "value3");
s = db->Put(leveldb::WriteOptions(), "key4", "value4");
assert(s.ok());
#ifdef HAVE_HYPERLEVELDB
leveldb::ReplayIterator* replay_start;
leveldb::ReplayIterator* replay_ts;
leveldb::ReplayIterator* replay_now;
leveldb::ReplayIterator* replay_last;
std::string timestamp;
std::string timestamp_last;
cout << "Perform Live Backup" << endl;
s = db->LiveBackup("test");
// Test out a bunch of the ReplayIterator methods.
db->GetReplayTimestamp(×tamp);
cout << "timestamp 1 " << timestamp << endl << "Put key5" << endl;
s = db->Put(leveldb::WriteOptions(), "key5", "value5");
db->GetReplayTimestamp(×tamp_last);
// Verify a bunch of timestamp comparisons
cout << "timestamp 2 " << timestamp_last << endl;
cout << "CompareTimestamps tests" << endl;
assert(db->CompareTimestamps(timestamp, timestamp_last) < 0);
assert(db->CompareTimestamps("all", timestamp_last) < 0);
assert(db->CompareTimestamps(timestamp, "now") < 0);
assert(db->CompareTimestamps("now", timestamp_last) == 0);
assert(db->CompareTimestamps(timestamp_last, "now") == 0);
assert(db->CompareTimestamps("now", timestamp) > 0);
assert(db->CompareTimestamps("now", "all") > 0);
s = db->GetReplayIterator("all", &replay_start);
assert(replay_start->Valid());
cout << "Replay at all(start):" << endl;
cout << replay_start->key().ToString() << ": " << replay_start->value().ToString() << endl;
s = db->GetReplayIterator(timestamp, &replay_ts);
assert(replay_ts->Valid());
cout << "Replay at timestamp " << timestamp << ":" << endl;
cout << replay_ts->key().ToString() << ": " << replay_ts->value().ToString() << endl;
s = db->GetReplayIterator("now", &replay_now);
assert(replay_now->Valid());
cout << "Replay at now(end):" << endl;
cout << replay_now->key().ToString() << ": " << replay_now->value().ToString() << endl;
s = db->GetReplayIterator(timestamp_last, &replay_last);
assert(replay_last->Valid());
cout << "Replay at last timestamp " << timestamp_last << ":" << endl;
cout << replay_last->key().ToString() << ": " << replay_last->value().ToString() << endl;
assert(replay_now->key().ToString() == replay_last->key().ToString());
cout << "Replay walk from all/start:" << endl;
while (replay_start->Valid()) {
cout << replay_start->key().ToString() << ": " << replay_start->value().ToString() << endl;
replay_start->Next();
}
// We reached the end of log, iterator should still not be valid.
// But if we write something, the iterator should find it and become
// valid again.
assert(!replay_start->Valid());
s = db->Put(leveldb::WriteOptions(), "key6", "value6");
assert(replay_start->Valid());
db->ReleaseReplayIterator(replay_start);
db->ReleaseReplayIterator(replay_ts);
db->ReleaseReplayIterator(replay_now);
db->ReleaseReplayIterator(replay_last);
#endif
// Read through the main database
cout << "Read main database:" << endl;
leveldb::ReadOptions read_options;
read_options.snapshot = db->GetSnapshot();
leveldb::Iterator* iter = db->NewIterator(read_options);
for (iter->SeekToFirst(); iter->Valid(); iter->Next()) {
cout << iter->key().ToString() << ": " << iter->value().ToString() << endl;
}
delete iter;
db->ReleaseSnapshot(read_options.snapshot);
delete db;
#ifdef HAVE_HYPERLEVELDB
// Read through the backup database
leveldb::DB* db_bkup;
options.create_if_missing = false;
s = leveldb::DB::Open(options, "WTLDB_HOME/backup-test", &db_bkup);
read_options.snapshot = db_bkup->GetSnapshot();
iter = db_bkup->NewIterator(read_options);
cout << "Read Backup database:" << endl;
for (iter->SeekToFirst(); iter->Valid(); iter->Next()) {
cout << iter->key().ToString() << ": " << iter->value().ToString() << endl;
}
delete iter;
db_bkup->ReleaseSnapshot(read_options.snapshot);
delete db_bkup;
#endif
return (0);
}
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