etcd-cpp-apiv3/src/v3/AsyncSetAction.cpp

52 lines
1.5 KiB
C++

#include "etcd/v3/AsyncSetAction.hpp"
#include "etcd/v3/action_constants.hpp"
#include "etcd/v3/Transaction.hpp"
etcdv3::AsyncSetAction::AsyncSetAction(
etcdv3::ActionParameters && params, bool create)
: etcdv3::Action(std::move(params))
{
etcdv3::Transaction transaction(parameters.key);
isCreate = create;
transaction.init_compare(CompareResult::EQUAL,
CompareTarget::VERSION);
transaction.setup_basic_create_sequence(parameters.key, parameters.value, parameters.lease_id);
if(isCreate)
{
transaction.setup_basic_failure_operation(parameters.key);
}
else
{
transaction.setup_set_failure_operation(parameters.key, parameters.value, parameters.lease_id);
}
response_reader = parameters.kv_stub->AsyncTxn(&context, *transaction.txn_request, &cq_);
response_reader->Finish(&reply, &status, (void*)this);
}
etcdv3::AsyncTxnResponse etcdv3::AsyncSetAction::ParseResponse()
{
AsyncTxnResponse txn_resp;
txn_resp.set_action(isCreate? etcdv3::CREATE_ACTION : etcdv3::SET_ACTION);
if(!status.ok())
{
txn_resp.set_error_code(status.error_code());
txn_resp.set_error_message(status.error_message());
}
else
{
txn_resp.ParseResponse(parameters.key, parameters.withPrefix, reply);
if(!reply.succeeded() && isCreate)
{
txn_resp.set_error_code(etcdv3::ERROR_KEY_ALREADY_EXISTS);
txn_resp.set_error_message("etcd-cpp-apiv3: key already exists");
}
}
return txn_resp;
}