00001 /********************************************************************* 00002 * Software License Agreement (BSD License) 00003 * 00004 * Copyright (c) 2008, Willow Garage, Inc. 00005 * All rights reserved. 00006 * 00007 * Redistribution and use in source and binary forms, with or without 00008 * modification, are permitted provided that the following conditions 00009 * are met: 00010 * 00011 * * Redistributions of source code must retain the above copyright 00012 * notice, this list of conditions and the following disclaimer. 00013 * * Redistributions in binary form must reproduce the above 00014 * copyright notice, this list of conditions and the following 00015 * disclaimer in the documentation and/or other materials provided 00016 * with the distribution. 00017 * * Neither the name of the Willow Garage nor the names of its 00018 * contributors may be used to endorse or promote products derived 00019 * from this software without specific prior written permission. 00020 * 00021 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 00022 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 00023 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 00024 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 00025 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 00026 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 00027 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 00028 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 00029 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 00030 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 00031 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 00032 * POSSIBILITY OF SUCH DAMAGE. 00033 *********************************************************************/ 00034 00035 #ifndef ETHERNET_INTERFACE_INFO_H 00036 #define ETHERNET_INTERFACE_INFO_H 00037 00038 #include <string> 00039 #include <stdint.h> 00040 00041 #include <diagnostic_updater/DiagnosticStatusWrapper.h> 00042 00043 struct EthtoolStats 00044 { 00045 EthtoolStats(); 00046 uint64_t rx_errors_; 00047 uint64_t rx_crc_errors_; 00048 uint64_t rx_frame_errors_; 00049 uint64_t rx_align_errors_; 00050 00051 EthtoolStats& operator-=(const EthtoolStats& right); 00052 }; 00053 00054 struct InterfaceState 00055 { 00056 InterfaceState() : up_(false), running_(false) {} 00057 bool up_; 00058 bool running_; 00059 }; 00060 00061 class EthernetInterfaceInfo 00062 { 00063 public: 00064 EthernetInterfaceInfo(); 00065 void initialize(const std::string &interface); 00066 ~EthernetInterfaceInfo(); 00067 00073 void publishDiagnostics(diagnostic_updater::DiagnosticStatusWrapper &d); 00074 00075 protected: 00077 bool getEthtoolStats(EthtoolStats &stats); 00078 00080 bool getInterfaceState(InterfaceState &state); 00081 00083 std::string interface_; 00085 int sock_; 00087 unsigned n_stats_; 00089 char *ethtool_stats_buf_; 00090 00091 // Indexes of statistics that come from ethtool ioctl 00092 // An index of -1 indicates that statistic is not available from network driver 00093 int rx_error_index_; 00094 int rx_crc_error_index_; 00095 int rx_frame_error_index_; 00096 int rx_align_error_index_; 00097 00098 00100 unsigned lost_link_count_; 00101 00103 EthtoolStats orig_stats_; 00104 InterfaceState last_state_; 00105 }; 00106 00107 00108 #endif //ETHERNET_INTERFACE_INFO_H