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1 /***************************************************************************** |
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2 * |
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3 * $Id$ |
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4 * |
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5 * Copyright (C) 2006-2009 Florian Pose, Ingenieurgemeinschaft IgH |
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6 * |
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7 * This file is part of the IgH EtherCAT Master. |
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8 * |
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9 * The IgH EtherCAT Master is free software; you can redistribute it and/or |
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10 * modify it under the terms of the GNU General Public License version 2, as |
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11 * published by the Free Software Foundation. |
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12 * |
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13 * The IgH EtherCAT Master is distributed in the hope that it will be useful, |
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14 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General |
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16 * Public License for more details. |
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17 * |
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18 * You should have received a copy of the GNU General Public License along |
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19 * with the IgH EtherCAT Master; if not, write to the Free Software |
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20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
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21 * |
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22 * --- |
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23 * |
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24 * The license mentioned above concerns the source code only. Using the |
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25 * EtherCAT technology and brand is only permitted in compliance with the |
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26 * industrial property and similar rights of Beckhoff Automation GmbH. |
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27 * |
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28 ****************************************************************************/ |
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29 |
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30 #include <iostream> |
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31 #include <map> |
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32 using namespace std; |
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33 |
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34 #include "CommandGraph.h" |
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35 |
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36 /*****************************************************************************/ |
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37 |
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38 CommandGraph::CommandGraph(): |
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39 Command("graph", "Output the bus topology as a graph.") |
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40 { |
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41 } |
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42 |
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43 /*****************************************************************************/ |
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44 |
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45 string CommandGraph::helpString() const |
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46 { |
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47 stringstream str; |
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48 |
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49 str << getName() << " [OPTIONS]" << endl |
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50 << endl |
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51 << getBriefDescription() << endl |
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52 << endl |
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53 << "The bus is output in DOT language (see" << endl |
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54 << "http://www.graphviz.org/doc/info/lang.html), which can" << endl |
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55 << "be processed with the tools from the Graphviz" << endl |
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56 << "package. Example:" << endl |
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57 << endl |
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58 << " ethercat graph | dot -Tsvg > bus.svg" << endl |
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59 << endl |
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60 << "See 'man dot' for more information." << endl; |
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61 |
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62 return str.str(); |
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63 } |
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64 |
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65 /****************************************************************************/ |
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66 |
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67 void CommandGraph::execute(MasterDevice &m, const StringVector &args) |
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68 { |
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69 ec_ioctl_master_t master; |
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70 unsigned int i; |
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71 typedef vector<ec_ioctl_slave_t> SlaveVector; |
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72 SlaveVector slaves; |
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73 ec_ioctl_slave_t slave; |
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74 SlaveVector::const_iterator si; |
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75 string font("fontname=\"Helvetica\""); |
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76 map<int, string> portMedia; |
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77 map<int, string>::const_iterator mi; |
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78 map<int, int> mediaWeights; |
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79 map<int, int>::const_iterator wi; |
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80 |
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81 portMedia[EC_PORT_MII] = "MII"; |
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82 mediaWeights[EC_PORT_MII] = 1; |
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83 |
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84 portMedia[EC_PORT_EBUS] = "EBUS"; |
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85 mediaWeights[EC_PORT_EBUS] = 5; |
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86 |
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87 if (args.size()) { |
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88 stringstream err; |
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89 err << "'" << getName() << "' takes no arguments!"; |
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90 throwInvalidUsageException(err); |
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91 } |
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92 |
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93 m.open(MasterDevice::Read); |
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94 m.getMaster(&master); |
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95 |
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96 for (i = 0; i < master.slave_count; i++) { |
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97 m.getSlave(&slave, i); |
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98 slaves.push_back(slave); |
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99 } |
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100 |
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101 cout << "/* EtherCAT bus graph. Generated by 'ethercat graph'. */" << endl |
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102 << endl |
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103 << "strict graph bus {" << endl |
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104 << " rankdir=\"LR\"" << endl |
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105 << endl |
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106 << " master [" << font << ",label=\"EtherCAT\\nMaster\"]" << endl; |
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107 |
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108 if (slaves.size()) { |
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109 cout << " master -- slave0 [" << font; |
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110 |
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111 mi = portMedia.find(slaves.front().port_descs[0]); |
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112 if (mi != portMedia.end()) |
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113 cout << ",label=\"" << mi->second << "\""; |
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114 |
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115 cout << "]" << endl; |
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116 } |
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117 cout << endl; |
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118 |
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119 for (si = slaves.begin(); si != slaves.end(); si++) { |
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120 cout << " slave" << si->position << " [" << font << |
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121 ",shape=\"box\",label=\"" << si->position; |
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122 if (string(si->order).size()) |
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123 cout << "\\n" << si->order; |
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124 cout << "\"]" << endl; |
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125 |
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126 for (i = 1; i < EC_MAX_PORTS; i++) { |
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127 if (si->next_slave[i] == 0xffff) |
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128 continue; |
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129 |
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130 cout << " slave" << si->position << " -- " |
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131 << "slave" << si->next_slave[i] << " [" << font << "," |
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132 << "taillabel=\"" << i << "\""; |
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133 |
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134 mi = portMedia.find(si->port_descs[i]); |
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135 if (mi == portMedia.end()) { |
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136 /* Try medium of next-hop slave. */ |
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137 unsigned int pos = si->next_slave[i]; |
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138 if (pos < slaves.size()) { |
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139 ec_ioctl_slave_t *next = &slaves[pos]; |
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140 mi = portMedia.find(next->port_descs[0]); |
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141 } else { |
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142 cerr << "Invalid next slave pointer." << endl; |
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143 } |
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144 } |
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145 |
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146 if (mi != portMedia.end()) |
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147 cout << ",label=\"" << mi->second << "\""; |
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148 |
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149 wi = mediaWeights.find(si->port_descs[i]); |
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150 if (wi != mediaWeights.end()) |
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151 cout << ",weight=\"" << wi->second << "\""; |
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152 |
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153 cout << "]" << endl; |
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154 } |
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155 |
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156 cout << endl; |
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157 } |
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158 |
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159 cout << "}" << endl; |
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160 } |
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161 |
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162 /*****************************************************************************/ |