Method DownloadFailed

test/brpc_http_rpc_protocol_unittest.cpp:607–646

    }

    void DownloadFailed(::google::protobuf::RpcController* cntl_base,
                        const ::test::HttpRequest*,
                        ::test::HttpResponse*,
                        ::google::protobuf::Closure* done) {
        brpc::ClosureGuard done_guard(done);
        brpc::Controller* cntl =
            static_cast<brpc::Controller*>(cntl_base);
        cntl->http_response().set_content_type("text/plain");
        brpc::StopStyle stop_style = (_nrep == std::numeric_limits<size_t>::max() 
                ? brpc::FORCE_STOP : brpc::WAIT_FOR_STOP);
        butil::intrusive_ptr<brpc::ProgressiveAttachment> pa
            = cntl->CreateProgressiveAttachment(stop_style);
        if (pa == NULL) {
            cntl->SetFailed("The socket was just failed");
            return;
        }
        char buf[PA_DATA_LEN];
        while (true) {
            if (pa->Write(buf, sizeof(buf)) != 0) {
                if (errno == brpc::EOVERCROWDED) {
                    LOG_EVERY_SECOND(INFO) << "full pa=" << pa.get();
                    bthread_usleep(10000);
                    continue;
                } else {
                    _last_errno = errno;
                    break;
                }
            }
            break;
        }
        // The remote client will not receive the data written to the
        // progressive attachment when the controller failed.
        cntl->SetFailed("Intentionally set controller failed");
        done_guard.reset(NULL);
        
        // Return value of Write after controller has failed should
        // be less than zero.
        CHECK_LT(pa->Write(buf, sizeof(buf)), 0);
        CHECK_EQ(errno, ECANCELED);
    }
    
    void set_done_place(DonePlace done_place) { _done_place = done_place; }
    size_t written_bytes() const { return _nwritten; }