zeek/testing/btest/plugins/storage-plugin/src/StorageDummy.cc

84 lines
2.6 KiB
C++

// See the file "COPYING" in the main distribution directory for copyright.
#include "StorageDummy.h"
#include "zeek/Func.h"
#include "zeek/Val.h"
#include "zeek/storage/ReturnCode.h"
using namespace zeek;
using namespace zeek::storage;
namespace btest::storage::backend {
BackendPtr StorageDummy::Instantiate(std::string_view tag) { return make_intrusive<StorageDummy>(tag); }
/**
* Called by the manager system to open the backend.
*
* Derived classes must implement this method. If successful, the
* implementation must call \a Opened(); if not, it must call Error()
* with a corresponding message.
*/
OperationResult StorageDummy::DoOpen(RecordValPtr options, OpenResultCallback* cb) {
RecordValPtr backend_options = options->GetField<RecordVal>("dummy");
bool open_fail = backend_options->GetField<BoolVal>("open_fail")->Get();
if ( open_fail )
return {ReturnCode::OPERATION_FAILED, "open_fail was set to true, returning error"};
open = true;
return {ReturnCode::SUCCESS};
}
/**
* Finalizes the backend when it's being closed.
*/
OperationResult StorageDummy::DoClose(OperationResultCallback* cb) {
open = false;
return {ReturnCode::SUCCESS};
}
/**
* The workhorse method for Put(). This must be implemented by plugins.
*/
OperationResult StorageDummy::DoPut(ValPtr key, ValPtr value, bool overwrite, double expiration_time,
OperationResultCallback* cb) {
auto json_key = key->ToJSON()->ToStdString();
auto json_value = value->ToJSON()->ToStdString();
data[json_key] = json_value;
return {ReturnCode::SUCCESS};
}
/**
* The workhorse method for Get(). This must be implemented for plugins.
*/
OperationResult StorageDummy::DoGet(ValPtr key, OperationResultCallback* cb) {
auto json_key = key->ToJSON();
auto it = data.find(json_key->ToStdString());
if ( it == data.end() )
return {ReturnCode::KEY_NOT_FOUND};
auto val = zeek::detail::ValFromJSON(it->second.c_str(), val_type, Func::nil);
if ( std::holds_alternative<ValPtr>(val) ) {
ValPtr val_v = std::get<ValPtr>(val);
return {ReturnCode::SUCCESS, "", val_v};
}
return {ReturnCode::OPERATION_FAILED, std::get<std::string>(val)};
}
/**
* The workhorse method for Erase(). This must be implemented for plugins.
*/
OperationResult StorageDummy::DoErase(ValPtr key, OperationResultCallback* cb) {
auto json_key = key->ToJSON();
auto it = data.find(json_key->ToStdString());
if ( it == data.end() )
return {ReturnCode::KEY_NOT_FOUND};
data.erase(it);
return {ReturnCode::SUCCESS};
}
} // namespace btest::storage::backend