2021-01-03 22:45:09 -08:00

236 lines
8.4 KiB
C++

/*
* fdb_api.cpp
*
* This source file is part of the FoundationDB open source project
*
* Copyright 2013-2020 Apple Inc. and the FoundationDB project authors
*
* 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.
*/
#include "fdb_api.hpp"
#include <iostream>
namespace fdb {
// Future
Future::~Future() {
fdb_future_destroy(future_);
}
bool Future::is_ready() {
return fdb_future_is_ready(future_);
}
[[nodiscard]] fdb_error_t Future::block_until_ready() {
return fdb_future_block_until_ready(future_);
}
[[nodiscard]] fdb_error_t Future::set_callback(FDBCallback callback,
void* callback_parameter) {
return fdb_future_set_callback(future_, callback, callback_parameter);
}
[[nodiscard]] fdb_error_t Future::get_error() {
return fdb_future_get_error(future_);
}
void Future::release_memory() {
fdb_future_release_memory(future_);
}
void Future::cancel() {
fdb_future_cancel(future_);
}
// Int64Future
[[nodiscard]] fdb_error_t Int64Future::get(int64_t* out) {
return fdb_future_get_int64(future_, out);
}
// ValueFuture
[[nodiscard]] fdb_error_t ValueFuture::get(fdb_bool_t* out_present,
const uint8_t** out_value,
int* out_value_length) {
return fdb_future_get_value(future_, out_present, out_value,
out_value_length);
}
// KeyFuture
[[nodiscard]] fdb_error_t KeyFuture::get(const uint8_t** out_key,
int* out_key_length) {
return fdb_future_get_key(future_, out_key, out_key_length);
}
// StringArrayFuture
[[nodiscard]] fdb_error_t StringArrayFuture::get(const char*** out_strings,
int* out_count) {
return fdb_future_get_string_array(future_, out_strings, out_count);
}
// KeyValueArrayFuture
[[nodiscard]] fdb_error_t KeyValueArrayFuture::get(const FDBKeyValue** out_kv,
int* out_count,
fdb_bool_t* out_more) {
return fdb_future_get_keyvalue_array(future_, out_kv, out_count, out_more);
}
// Database
Int64Future Database::reboot_worker(FDBDatabase* db, const uint8_t* address, int address_length, fdb_bool_t check,
int duration) {
return Int64Future(fdb_database_reboot_worker(db, address, address_length, check, duration));
}
// Transaction
Transaction::Transaction(FDBDatabase* db) {
if (fdb_error_t err = fdb_database_create_transaction(db, &tr_)) {
std::cerr << fdb_get_error(err) << std::endl;
std::abort();
}
}
Transaction::~Transaction() {
fdb_transaction_destroy(tr_);
}
void Transaction::reset() {
fdb_transaction_reset(tr_);
}
void Transaction::cancel() {
fdb_transaction_cancel(tr_);
}
[[nodiscard]] fdb_error_t Transaction::set_option(FDBTransactionOption option,
const uint8_t* value,
int value_length) {
return fdb_transaction_set_option(tr_, option, value, value_length);
}
void Transaction::set_read_version(int64_t version) {
fdb_transaction_set_read_version(tr_, version);
}
Int64Future Transaction::get_read_version() {
return Int64Future(fdb_transaction_get_read_version(tr_));
}
Int64Future Transaction::get_approximate_size() {
return Int64Future(fdb_transaction_get_approximate_size(tr_));
}
KeyFuture Transaction::get_versionstamp() {
return KeyFuture(fdb_transaction_get_versionstamp(tr_));
}
ValueFuture Transaction::get(std::string_view key, fdb_bool_t snapshot) {
return ValueFuture(fdb_transaction_get(tr_, (const uint8_t*)key.data(),
key.size(), snapshot));
}
KeyFuture Transaction::get_key(const uint8_t* key_name, int key_name_length,
fdb_bool_t or_equal, int offset,
fdb_bool_t snapshot) {
return KeyFuture(fdb_transaction_get_key(tr_, key_name, key_name_length,
or_equal, offset, snapshot));
}
StringArrayFuture Transaction::get_addresses_for_key(std::string_view key) {
return StringArrayFuture(fdb_transaction_get_addresses_for_key(tr_,
(const uint8_t*)key.data(), key.size()));
}
KeyValueArrayFuture Transaction::get_range(const uint8_t* begin_key_name,
int begin_key_name_length,
fdb_bool_t begin_or_equal,
int begin_offset,
const uint8_t* end_key_name,
int end_key_name_length,
fdb_bool_t end_or_equal,
int end_offset, int limit,
int target_bytes,
FDBStreamingMode mode,
int iteration, fdb_bool_t snapshot,
fdb_bool_t reverse) {
return KeyValueArrayFuture(fdb_transaction_get_range(tr_, begin_key_name,
begin_key_name_length,
begin_or_equal,
begin_offset,
end_key_name,
end_key_name_length,
end_or_equal,
end_offset,
limit, target_bytes,
mode, iteration,
snapshot, reverse));
}
EmptyFuture Transaction::watch(std::string_view key) {
return EmptyFuture(fdb_transaction_watch(tr_, (const uint8_t*)key.data(), key.size()));
}
EmptyFuture Transaction::commit() {
return EmptyFuture(fdb_transaction_commit(tr_));
}
EmptyFuture Transaction::on_error(fdb_error_t err) {
return EmptyFuture(fdb_transaction_on_error(tr_, err));
}
void Transaction::clear(std::string_view key) {
return fdb_transaction_clear(tr_, (const uint8_t*)key.data(), key.size());
}
void Transaction::clear_range(std::string_view begin_key,
std::string_view end_key) {
fdb_transaction_clear_range(tr_, (const uint8_t*)begin_key.data(),
begin_key.size(), (const uint8_t*)end_key.data(),
end_key.size());
}
void Transaction::set(std::string_view key, std::string_view value) {
fdb_transaction_set(tr_, (const uint8_t*)key.data(), key.size(),
(const uint8_t*)value.data(), value.size());
}
void Transaction::atomic_op(std::string_view key, const uint8_t* param,
int param_length, FDBMutationType operationType) {
return fdb_transaction_atomic_op(tr_, (const uint8_t*)key.data(), key.size(),
param, param_length, operationType);
}
[[nodiscard]] fdb_error_t Transaction::get_committed_version(int64_t* out_version) {
return fdb_transaction_get_committed_version(tr_, out_version);
}
fdb_error_t Transaction::add_conflict_range(std::string_view begin_key,
std::string_view end_key,
FDBConflictRangeType type) {
return fdb_transaction_add_conflict_range(tr_,
(const uint8_t*)begin_key.data(),
begin_key.size(),
(const uint8_t*)end_key.data(),
end_key.size(),
type);
}
} // namespace fdb