| /* |
| * Copyright (c) 2017, The Linux Foundation. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer in the documentation and/or other materials provided |
| * with the distribution. |
| * * Neither the name of The Linux Foundation nor the names of its |
| * contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
| * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE |
| * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN |
| * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef __udp_server_h |
| #define __udp_server_h |
| |
| class UdpServer |
| { |
| public: |
| int start(int localUdpPortIn, int remoteUdpPortIn); |
| int stop(); |
| |
| static int SendAll(std::string message); |
| static std::string GetHostDetails() { return UdpServer::cmd_get_host_identity + UdpServer::cmd_delimiter + host_ip + UdpServer::cmd_delimiter + host_alias; } |
| static void SetHostAlias(std::string alias) { host_alias = alias; } |
| |
| static const std::string host_details_file_name; |
| |
| private: |
| // members |
| static const std::string local_host; |
| static const std::string cmd_get_host_identity; |
| static const std::string cmd_delimiter; |
| static std::string host_broadcast_ip; |
| static std::string host_ip; |
| static std::string host_alias; |
| static int sock_in; |
| static int sock_out; |
| static int port_in; |
| static int port_out; |
| |
| // methods |
| static void* start_udp_server(void* unused); |
| static int LoadHostDetails(); |
| static int LoadHostIp(); // assumption: each host has only one IP address for ethernet interfaces |
| static void LoadHostAlias(); |
| static int HandleRequest(char* buf); |
| static int LoadHostAndBroadcastIps(); |
| }; |
| |
| #endif // udp_server_h |