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-rw-r--r--src/common/service.cpp141
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diff --git a/src/common/service.cpp b/src/common/service.cpp
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+/*
+ * Copyright (c) 2016 Samsung Electronics Co., Ltd All Rights Reserved
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License
+ */
+/*
+ * @file service.cpp
+ * @author Kyungwook Tak (k.tak@samsung.com)
+ * @author Sangwan Kwon (sangwan.kwon@samsung.com)
+ * @version 1.0
+ * @brief
+ */
+#include "common/service.h"
+
+#include <sys/types.h>
+#include <sys/epoll.h>
+
+#include <cchecker/log.h>
+
+namespace CCHECKER {
+
+Service::Service(const std::string &address) : m_address(address)
+{
+ LogDebug("Service constructed with address[" << address << "]");
+
+ m_timeout = -1;
+ setNewConnectionCallback(nullptr);
+ setCloseConnectionCallback(nullptr);
+}
+
+Service::~Service()
+{
+}
+
+void Service::start()
+{
+ LogInfo("Service start!");
+
+ Socket socket(m_address);
+
+ LogDebug("Get systemd socket[" << socket.getFd()
+ << "] with address[" << m_address << "]");
+
+ m_loop.addEventSource(socket.getFd(), EPOLLIN | EPOLLHUP | EPOLLRDHUP,
+ [&](uint32_t event) {
+ if (event != EPOLLIN)
+ return;
+
+ m_onNewConnection(std::make_shared<Connection>(socket.accept()));
+ });
+
+ m_loop.run(m_timeout);
+}
+
+void Service::stop()
+{
+ LogInfo("Service stop!");
+}
+
+void Service::setNewConnectionCallback(const ConnCallback &/*callback*/)
+{
+ /* TODO: scoped-lock */
+ m_onNewConnection = [&](const ConnShPtr & connection) {
+ if (!connection)
+ throw std::logic_error("onNewConnection called but ConnShPtr is nullptr.");
+
+ int fd = connection->getFd();
+
+ LogInfo("welcome! accepted client socket fd[" << fd << "]");
+
+ /*
+ // TODO: disable temporarily
+ if (callback)
+ callback(connection);
+ */
+
+ m_loop.addEventSource(fd, EPOLLIN | EPOLLHUP | EPOLLRDHUP,
+ [ &, fd](uint32_t event) {
+ LogDebug("read event comes in to fd[" << fd << "]");
+
+ if (m_connectionRegistry.count(fd) == 0)
+ throw std::logic_error("get event on fd, but no associated connection exist");
+
+ auto &conn = m_connectionRegistry[fd];
+
+ if (event & (EPOLLHUP | EPOLLRDHUP)) {
+ LogDebug("event of epoll hup. close connection on fd[" << fd << "]");
+ m_onCloseConnection(conn);
+ return;
+ }
+
+ LogDebug("Start message process on fd[" << fd << "]");
+
+ onMessageProcess(conn);
+ });
+
+ m_connectionRegistry[fd] = connection;
+ };
+}
+
+void Service::setCloseConnectionCallback(const ConnCallback &/*callback*/)
+{
+ /* TODO: scoped-lock */
+ m_onCloseConnection = [&](const ConnShPtr & connection) {
+ if (!connection)
+ throw std::logic_error("no connection to close");
+
+ int fd = connection->getFd();
+
+ if (m_connectionRegistry.count(fd) == 0)
+ throw std::logic_error("no connection in registry to remove.");
+
+ LogInfo("good-bye! close socket fd[" << fd << "]");
+
+ m_loop.removeEventSource(fd);
+ m_connectionRegistry.erase(fd); /* scoped-lock needed? */
+
+ /*
+ // TODO: disable temporarily
+ if (callback)
+ callback(connection);
+ */
+ };
+}
+
+void Service::setTimeout(int timeout)
+{
+ m_timeout = timeout;
+}
+
+} // namespace CCHECKER