1 /*****************************************************************************

     2  *

     3  * $Id$

     4  *

     5  ****************************************************************************/

     6 

     7 #include <getopt.h>

     8 

     9 #include <iostream>

    10 #include <string>

    11 using namespace std;

    12 

    13 #include "Master.h"

    14 

    15 /*****************************************************************************/

    16 

    17 #define DEFAULT_MASTER 0

    18 #define DEFAULT_COMMAND "slaves"

    19 #define DEFAULT_SLAVESPEC ""

    20 

    21 static unsigned int masterIndex = DEFAULT_MASTER;

    22 static string slaveSpec = DEFAULT_SLAVESPEC;

    23 static string command = DEFAULT_COMMAND;

    24 

    25 /*****************************************************************************/

    26 

    27 void printUsage()

    28 {

    29     cerr

    30         << "Usage: ethercat <COMMAND> [OPTIONS]" << endl

    31 		<< "Commands:" << endl

    32         << "  list (ls, slaves)  List all slaves (former 'lsec')." << endl

    33 		<< "Global options:" << endl

    34         << "  --master  -m <master>  Index of the master to use. Default: "

    35 		<< DEFAULT_MASTER	<< endl

    36         << "  --slave   -s <slave>   Slave specification. Default: All "

    37         "slaves." << endl

    38         << "  --help    -h           Show this help." << endl;

    39 }

    40 

    41 /*****************************************************************************/

    42 

    43 void getOptions(int argc, char **argv)

    44 {

    45     int c, argCount, optionIndex, number;

    46 	char *remainder;

    47 

    48     static struct option longOptions[] = {

    49         //name,    has_arg,           flag, val

    50         {"master", required_argument, NULL, 'm'},

    51         {"slave",  required_argument, NULL, 's'},

    52         {"help",   no_argument,       NULL, 'h'},

    53         {}

    54     };

    55 

    56     do {

    57         c = getopt_long(argc, argv, "m:s:h", longOptions, &optionIndex);

    58 

    59         switch (c) {

    60             case 'm':

    61                 number = strtoul(optarg, &remainder, 0);

    62                 if (remainder == optarg || *remainder || number < 0) {

    63                     cerr << "Invalid master number " << optarg << "!" << endl;

    64                     printUsage();

    65                     exit(1);

    66                 }

    67 				masterIndex = number;

    68                 break;

    69 

    70             case 's':

    71 				slaveSpec = optarg;

    72                 break;

    73 

    74             case 'h':

    75             case '?':

    76                 printUsage();

    77                 exit(0);

    78 

    79             default:

    80                 break;

    81         }

    82     }

    83     while (c != -1);

    84 

    85 	argCount = argc - optind;

    86 

    87 	if (!argCount) {

    88         cerr << "Please specify a command!" << endl;

    89 		printUsage();

    90         exit(1);

    91 	}

    92 

    93     command = argv[optind];

    94 }

    95 

    96 /****************************************************************************/

    97 

    98 int main(int argc, char **argv)

    99 {

   100     Master master;

   101     

   102 	getOptions(argc, argv);

   103 

   104     master.open(masterIndex);

   105 

   106     if (command == "list" || command == "ls" || command == "slaves") {

   107         master.listSlaves();

   108     } else {

   109         cerr << "Unknown command " << command << "!" << endl;

   110         printUsage();

   111         exit(1);

   112     }

   113 

   114 	return 0;

   115 }

   116 

   117 /****************************************************************************/