tool/CommandGraph.cpp
author Florian Pose <fp@igh-essen.com>
Tue, 04 Dec 2012 12:22:38 +0100
branchstable-1.5
changeset 2458 8e0bab31fddd
parent 2421 bc2d4bf9cbe5
child 2671 5d7a83195c80
permissions -rw-r--r--
Removed unused method.
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/*****************************************************************************
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 *
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 *  $Id$
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 *
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 *  Copyright (C) 2006-2009  Florian Pose, Ingenieurgemeinschaft IgH
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 *
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 *  This file is part of the IgH EtherCAT Master.
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 *
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 *  The IgH EtherCAT Master is free software; you can redistribute it and/or
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 *  modify it under the terms of the GNU General Public License version 2, as
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 *  published by the Free Software Foundation.
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 *
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 *  The IgH EtherCAT Master is distributed in the hope that it will be useful,
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 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
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 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General
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 *  Public License for more details.
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 *
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 *  You should have received a copy of the GNU General Public License along
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 *  with the IgH EtherCAT Master; if not, write to the Free Software
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 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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 *
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 *  ---
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 *
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 *  The license mentioned above concerns the source code only. Using the
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 *  EtherCAT technology and brand is only permitted in compliance with the
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 *  industrial property and similar rights of Beckhoff Automation GmbH.
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 *
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 ****************************************************************************/
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#include <iostream>
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#include <map>
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using namespace std;
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#include "CommandGraph.h"
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#include "MasterDevice.h"
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/*****************************************************************************/
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CommandGraph::CommandGraph():
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    Command("graph", "Output the bus topology as a graph.")
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{
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}
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/*****************************************************************************/
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string CommandGraph::helpString(const string &binaryBaseName) const
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{
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    stringstream str;
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    str << binaryBaseName << " " << getName() << " [OPTIONS]" << endl
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        << endl
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        << getBriefDescription() << endl
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        << endl
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        << "The bus is output in DOT language (see" << endl
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        << "http://www.graphviz.org/doc/info/lang.html), which can" << endl
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        << "be processed with the tools from the Graphviz" << endl
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        << "package. Example:" << endl
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        << endl
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        << "  ethercat graph | dot -Tsvg > bus.svg" << endl
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        << endl
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        << "See 'man dot' for more information." << endl;
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    return str.str();
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}
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/****************************************************************************/
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void CommandGraph::execute(const StringVector &args)
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{
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    ec_ioctl_master_t master;
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    unsigned int i;
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    typedef vector<ec_ioctl_slave_t> SlaveVector;
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    SlaveVector slaves;
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    ec_ioctl_slave_t slave;
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    SlaveVector::const_iterator si;
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    map<int, string> portMedia;
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    map<int, string>::const_iterator mi;
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    map<int, int> mediaWeights;
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    map<int, int>::const_iterator wi;
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    portMedia[EC_PORT_MII] = "MII";
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    mediaWeights[EC_PORT_MII] = 1;
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    portMedia[EC_PORT_EBUS] = "EBUS";
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    mediaWeights[EC_PORT_EBUS] = 5;
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    if (args.size()) {
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        stringstream err;
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        err << "'" << getName() << "' takes no arguments!";
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        throwInvalidUsageException(err);
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    }
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    MasterDevice m(getSingleMasterIndex());
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    m.open(MasterDevice::Read);
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    m.getMaster(&master);
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    for (i = 0; i < master.slave_count; i++) {
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        m.getSlave(&slave, i);
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        slaves.push_back(slave);
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    }
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    cout << "/* EtherCAT bus graph. Generated by 'ethercat graph'. */" << endl
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        << endl
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        << "strict graph bus {" << endl
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        << "    rankdir=\"LR\"" << endl
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        << "    ranksep=0.8" << endl
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        << "    nodesep=0.8" << endl
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        << "    node [fontname=\"Helvetica\"]" << endl
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        << "    edge [fontname=\"Helvetica\",fontsize=\"10\"]" << endl
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        << endl
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        << "    master [label=\"EtherCAT\\nMaster\"]" << endl;
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    if (slaves.size()) {
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        cout << "    master -- slave0";
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        mi = portMedia.find(slaves.front().ports[0].desc);
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        if (mi != portMedia.end())
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            cout << "[label=\"" << mi->second << "\"]";
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        cout << endl;
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    }
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    cout << endl;
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    for (si = slaves.begin(); si != slaves.end(); si++) {
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        cout << "    slave" << si->position << " [shape=\"box\""
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            << ",label=\"" << si->position;
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        if (string(si->order).size())
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            cout << "\\n" << si->order;
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        if (si->dc_supported) {
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            cout << "\\nDC: ";
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            if (si->has_dc_system_time) {
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                switch (si->dc_range) {
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                    case EC_DC_32:
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                        cout << "32 bit";
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                        break;
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                    case EC_DC_64:
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                        cout << "64 bit";
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                        break;
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                    default:
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                        break;
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                }
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            } else {
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                cout << "Delay meas.";
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            }
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            cout << "\\nDelay: " << si->transmission_delay << " ns";
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        }
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        cout << "\"]" << endl;
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        for (i = 1; i < EC_MAX_PORTS; i++) {
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            uint16_t next_pos = si->ports[i].next_slave;
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            ec_ioctl_slave_t *next = NULL;
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            if (next_pos == 0xffff)
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                continue;
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            if (next_pos < slaves.size()) {
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                next = &slaves[next_pos];
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            } else {
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                cerr << "Invalid next slave pointer." << endl;
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            }
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            cout << "    slave" << si->position << " -- "
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                << "slave" << next_pos << " [taillabel=\"" << i;
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            if (si->dc_supported) {
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                cout << " [" << si->ports[i].delay_to_next_dc << "]";
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            }
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            cout << "\",headlabel=\"0";
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            if (next && next->dc_supported) {
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                cout << " [" << next->ports[0].delay_to_next_dc << "]";
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            }
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            cout << "\"";
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c1322a8793c0 Transition delay calculation. TBC...
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            mi = portMedia.find(si->ports[i].desc);
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            if (mi == portMedia.end() && next) {
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                /* Try medium of next-hop slave. */
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                mi = portMedia.find(next->ports[0].desc);
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            }
2421
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            if (mi != portMedia.end())
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                cout << ",label=\"" << mi->second << "\"";
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            wi = mediaWeights.find(si->ports[i].desc);
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            if (wi != mediaWeights.end())
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                cout << ",weight=\"" << wi->second << "\"";
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   186
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            cout << "]" << endl;
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        }
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        cout << endl;
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   191
    }
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   192
d41e4537b75f Added 'ethercat graph' command.
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    cout << "}" << endl;
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   194
}
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   195
d41e4537b75f Added 'ethercat graph' command.
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   196
/*****************************************************************************/