1

/*****************************************************************************

     2

 *

     3

 * $Id$

     4

 *

     5

 ****************************************************************************/

     6

     7

#include <iostream>

     8

using namespace std;

     9

    10

#include "CommandStates.h"

    11

    12

/*****************************************************************************/

    13

    14

CommandStates::CommandStates():

    15

    Command("states", "Request application-layer states.")

    16

{

    17

}

    18

    19

/*****************************************************************************/

    20

    21

string CommandStates::helpString() const

    22

{

    23

    stringstream str;

    24

    25

    str << getName() << " [OPTIONS] <STATE>" << endl

    26

        << endl

    27

        << getBriefDescription() << endl

    28

        << endl

    29

        << "Arguments:" << endl

    30

        << "  STATE can be 'INIT', 'PREOP', 'SAFEOP', or 'OP'." << endl

    31

        << endl

    32

        << "Command-specific options:" << endl

    33

        << "  --alias    -a <alias>" << endl

    34

        << "  --position -p <pos>    Slave selection. See the help of" << endl

    35

        << "                         the 'slaves' command." << endl

    36

        << endl

    37

        << numericInfo();

    38

    39

    return str.str();

    40

}

    41

    42

/****************************************************************************/

    43

    44

void CommandStates::execute(MasterDevice &m, const StringVector &args)

    45

{

    46

    SlaveList slaves;

    47

    SlaveList::const_iterator si;

    48

    stringstream err;

    49

    string stateStr;

    50

    uint8_t state = 0x00;

    51

    52

    if (args.size() != 1) {

    53

        err << "'" << getName() << "' takes exactly one argument!";

    54

        throwInvalidUsageException(err);

    55

    }

    56

    57

    stateStr = args[0];

    58

    transform(stateStr.begin(), stateStr.end(),

    59

            stateStr.begin(), (int (*) (int)) std::toupper);

    60

    61

    if (stateStr == "INIT") {

    62

        state = 0x01;

    63

    } else if (stateStr == "PREOP") {

    64

        state = 0x02;

    65

    } else if (stateStr == "SAFEOP") {

    66

        state = 0x04;

    67

    } else if (stateStr == "OP") {

    68

        state = 0x08;

    69

    } else {

    70

        err << "Invalid state '" << args[0] << "'!";

    71

        throwInvalidUsageException(err);

    72

    }

    73

    74

    m.open(MasterDevice::ReadWrite);

    75

    slaves = selectedSlaves(m);

    76

    77

    if (!slaves.size() && getVerbosity() != Quiet) {

    78

        cerr << "Warning: Selection matches no slaves!" << endl;

    79

    }

    80

    81

    for (si = slaves.begin(); si != slaves.end(); si++) {

    82

        m.requestState(si->position, state);

    83

    }

    84

}

    85

    86

/*****************************************************************************/