static void rpc_group_callback(
error_code err,
dsn_message_t req,
dsn_message_t resp,
task_resp_queue* q,
rpc_reply_handler action_on_succeed,
rpc_reply_handler action_on_failure) {
if (ERR_OK == err) {
action_on_succeed(err, req, resp);
}
else {
action_on_failure(err, req, resp);
dsn::rpc_address group_addr = ((dsn::message_ex*)req)->server_address;
dsn_group_forward_leader(group_addr.group_handle());
auto req_again = dsn_msg_copy(req);
auto call_again = ::dsn::rpc::call(
group_addr,
req_again,
nullptr,
[=](error_code err, dsn_message_t request, dsn_message_t response)
{
rpc_group_callback(err, request, response, q, std::move(action_on_succeed), std::move(action_on_failure));
}
);
q->enqueue(call_again, 0);
}
}
static void rpc_group_callback(
error_code err,
dsn_message_t req,
dsn_message_t resp,
task_resp_queue* q,
rpc_reply_handler action_on_succeed,
rpc_reply_handler action_on_failure) {
if (ERR_OK == err) {
action_on_succeed(err, req, resp);
}
else {
action_on_failure(err, req, resp);
dsn::rpc_address group_addr = ((dsn::message_ex*)req)->server_address;
dsn_group_forward_leader(group_addr.group_handle());
auto req_again = dsn_msg_copy(req);
dsn::task_ptr call_again = ::dsn::rpc::call(group_addr, req_again, nullptr,
std::bind(&rpc_group_callback,
std::placeholders::_1,
std::placeholders::_2,
std::placeholders::_3,
q,
action_on_succeed,
action_on_failure));
q->enqueue(call_again, 0);
}
}