Method SetFailed

src/brpc/controller.cpp:450–466

}

void Controller::SetFailed(const std::string& reason) {
    _error_code = -1;
    if (!_error_text.empty()) {
        _error_text.push_back(' ');
    }
    if (_current_call.nretry != 0) {
        butil::string_appendf(&_error_text, "[R%d]", _current_call.nretry);
    } else {
        AppendServerIdentiy();
    }
    _error_text.append(reason);
    if (auto span = _span.lock()) {
        span->set_error_code(_error_code);
        span->Annotate(reason);
    }
    UpdateResponseHeader(this);
}

void Controller::SetFailed(int error_code, const char* reason_fmt, ...) {
    if (error_code == 0) {