6486be64c3
* change picture to word * change picture to word * SHOW FULL TABLES WHERE Table_type != VIEW sql can not execute * change license description
64 lines
1.9 KiB
C++
64 lines
1.9 KiB
C++
// Copyright (c) 2017, Baidu.com, Inc. All Rights Reserved
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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#include "compat.h"
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#include "dispatch_handler_synchronizer.h"
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#include "protocol.h"
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#include "error.h"
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#include "common/logging.h"
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namespace palo {
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DispatchHandlerSynchronizer::DispatchHandlerSynchronizer() {
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return;
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}
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void DispatchHandlerSynchronizer::handle(EventPtr &event_ptr) {
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std::lock_guard<std::mutex> lock(m_mutex);
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m_receive_queue.push(event_ptr);
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m_cond.notify_one();
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}
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bool DispatchHandlerSynchronizer::wait_for_reply(EventPtr &event_ptr) {
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std::unique_lock<std::mutex> lock(m_mutex);
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m_cond.wait(lock, [this]() {
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return !m_receive_queue.empty();
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});
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event_ptr = m_receive_queue.front();
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m_receive_queue.pop();
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if (event_ptr->type == Event::MESSAGE
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&& Protocol::response_code(event_ptr.get()) == error::OK) {
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return true;
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}
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return false;
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}
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bool DispatchHandlerSynchronizer::wait_for_connection() {
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std::unique_lock<std::mutex> lock(m_mutex);
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m_cond.wait(lock, [this]() {
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return !m_receive_queue.empty();
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});
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EventPtr event = m_receive_queue.front();
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m_receive_queue.pop();
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if (event->type == Event::ERROR)
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HT_THROW(event->error, "");
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if (event->type == Event::DISCONNECT)
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return false;
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assert(event->type == Event::CONNECTION_ESTABLISHED);
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return true;
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}
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} //namespace palo
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