/*****************************************************************************
*
* $Id$
*
****************************************************************************/
#include <getopt.h>
#include <libgen.h> // basename()
#include <iostream>
#include <iomanip>
#include <string>
#include <vector>
#include <list>
using namespace std;
#include "globals.h"
/*****************************************************************************/
string binaryBaseName;
unsigned int masterIndex = 0;
int slavePosition = -1;
int domainIndex = -1;
string commandName;
vector<string> commandArgs;
Verbosity verbosity = Normal;
string dataTypeStr;
bool force = false;
bool helpRequested = false;
MasterDevice masterDev;
/*****************************************************************************/
struct Command {
const char *name;
void (*func)(void);
const char *helpString;
const char *briefDesc;
int execute(void) const;
void displayHelp(void) const;
};
/*****************************************************************************/
#define DEFINE_EXTERN_COMMAND(name) \
void command_##name(void); \
extern const char *help_##name
#define INIT_COMMAND(name, desc) \
{#name, command_##name, help_##name, desc}
DEFINE_EXTERN_COMMAND(alias);
DEFINE_EXTERN_COMMAND(config);
DEFINE_EXTERN_COMMAND(data);
DEFINE_EXTERN_COMMAND(debug);
DEFINE_EXTERN_COMMAND(domains);
DEFINE_EXTERN_COMMAND(master);
DEFINE_EXTERN_COMMAND(pdos);
DEFINE_EXTERN_COMMAND(sdos);
DEFINE_EXTERN_COMMAND(download);
DEFINE_EXTERN_COMMAND(upload);
DEFINE_EXTERN_COMMAND(slaves);
DEFINE_EXTERN_COMMAND(sii_read);
DEFINE_EXTERN_COMMAND(sii_write);
DEFINE_EXTERN_COMMAND(states);
DEFINE_EXTERN_COMMAND(xml);
static const Command commands[] = {
INIT_COMMAND(alias, "Write alias addresses."),
INIT_COMMAND(config, "Show bus configuration."),
INIT_COMMAND(data, "Output binary domain process data."),
INIT_COMMAND(debug, "Set the master's debug level."),
INIT_COMMAND(domains, "Show domain information."),
INIT_COMMAND(master, "Show master information."),
INIT_COMMAND(pdos, "List Pdo assignment/mapping."),
INIT_COMMAND(sdos, "List Sdo dictionaries."),
INIT_COMMAND(download, "Write an Sdo entry."),
INIT_COMMAND(upload, "Read an Sdo entry."),
INIT_COMMAND(slaves, "Show slaves."),
INIT_COMMAND(sii_read, "Output a slave's SII contents."),
INIT_COMMAND(sii_write, "Write slave's SII contents."),
INIT_COMMAND(states, "Request slave states."),
INIT_COMMAND(xml, "Generate slave information XML."),
};
static const Command *cmdEnd = commands + sizeof(commands) / sizeof(Command);
/*****************************************************************************/
void printUsage()
{
const Command *cmd;
size_t maxWidth = 0;
for (cmd = commands; cmd < cmdEnd; cmd++) {
if (strlen(cmd->name) > maxWidth) {
maxWidth = strlen(cmd->name);
}
}
cerr
<< "Usage: " << binaryBaseName << " <COMMAND> [OPTIONS] [ARGUMENTS]"
<< endl << endl
<< "Commands (can be abbreviated):" << endl;
cerr << left;
for (cmd = commands; cmd < cmdEnd; cmd++) {
cerr << " " << setw(maxWidth) << cmd->name
<< " " << cmd->briefDesc << endl;
}
cerr
<< endl
<< "Global options:" << endl
<< " --master -m <master> Index of the master to use. Default: 0."
<< endl
<< " --force -f Force a command." << endl
<< " --quiet -q Output less information." << endl
<< " --verbose -v Output more information." << endl
<< " --help -h Show this help." << endl
<< endl
<< "Numerical values can be specified either with decimal "
<< "(no prefix)," << endl
<< "octal (prefix '0') or hexadecimal (prefix '0x') base." << endl
<< endl
<< "Call '" << binaryBaseName
<< " <COMMAND> --help' for command-specific help." << endl
<< endl
<< "Send bug reports to " << PACKAGE_BUGREPORT << "." << endl;
}
/*****************************************************************************/
void getOptions(int argc, char **argv)
{
int c, argCount, optionIndex, number;
char *remainder;
static struct option longOptions[] = {
//name, has_arg, flag, val
{"master", required_argument, NULL, 'm'},
{"slave", required_argument, NULL, 's'},
{"domain", required_argument, NULL, 'd'},
{"type", required_argument, NULL, 't'},
{"force", no_argument, NULL, 'f'},
{"quiet", no_argument, NULL, 'q'},
{"verbose", no_argument, NULL, 'v'},
{"help", no_argument, NULL, 'h'},
{}
};
do {
c = getopt_long(argc, argv, "m:s:d:t:fqvh", longOptions, &optionIndex);
switch (c) {
case 'm':
number = strtoul(optarg, &remainder, 0);
if (remainder == optarg || *remainder || number < 0) {
cerr << "Invalid master number " << optarg << "!" << endl;
printUsage();
exit(1);
}
masterIndex = number;
break;
case 's':
if (!strcmp(optarg, "all")) {
slavePosition = -1;
} else {
number = strtoul(optarg, &remainder, 0);
if (remainder == optarg || *remainder
|| number < 0 || number > 0xFFFF) {
cerr << "Invalid slave position "
<< optarg << "!" << endl;
printUsage();
exit(1);
}
slavePosition = number;
}
break;
case 'd':
if (!strcmp(optarg, "all")) {
domainIndex = -1;
} else {
number = strtoul(optarg, &remainder, 0);
if (remainder == optarg || *remainder || number < 0) {
cerr << "Invalid domain index "
<< optarg << "!" << endl;
printUsage();
exit(1);
}
domainIndex = number;
}
break;
case 't':
dataTypeStr = optarg;
break;
case 'f':
force = true;
break;
case 'q':
verbosity = Quiet;
break;
case 'v':
verbosity = Verbose;
break;
case 'h':
helpRequested = true;
break;
case '?':
printUsage();
exit(1);
default:
break;
}
}
while (c != -1);
argCount = argc - optind;
if (!argCount) {
if (!helpRequested) {
cerr << "Please specify a command!" << endl;
}
printUsage();
exit(!helpRequested);
}
commandName = argv[optind];
while (++optind < argc)
commandArgs.push_back(string(argv[optind]));
}
/****************************************************************************/
int Command::execute() const
{
try {
func();
} catch (InvalidUsageException &e) {
cerr << e.what() << endl << endl;
displayHelp();
return 1;
} catch (CommandException &e) {
cerr << e.what() << endl;
return 1;
} catch (MasterDeviceException &e) {
cerr << e.what() << endl;
return 1;
}
return 0;
}
/****************************************************************************/
void Command::displayHelp() const
{
cerr << binaryBaseName << " " << commandName << " " << helpString;
}
/****************************************************************************/
bool substrMatch(const string &abb, const string &full)
{
return full.substr(0, abb.length()) == abb;
}
/****************************************************************************/
bool abbrevMatch(const string &abb, const string &full)
{
unsigned int abbIndex;
size_t fullPos = 0;
for (abbIndex = 0; abbIndex < abb.length(); abbIndex++) {
fullPos = full.find(abb[abbIndex], fullPos);
if (fullPos == string::npos)
return false;
}
return true;
}
/****************************************************************************/
list<const Command *> getMatchingCommands(const string &cmdStr)
{
const Command *cmd;
list<const Command *> res;
// find matching commands from beginning of the string
for (cmd = commands; cmd < cmdEnd; cmd++) {
if (substrMatch(cmdStr, cmd->name)) {
res.push_back(cmd);
}
}
if (!res.size()) { // nothing found
// find /any/ matching commands
for (cmd = commands; cmd < cmdEnd; cmd++) {
if (abbrevMatch(cmdStr, cmd->name)) {
res.push_back(cmd);
}
}
}
return res;
}
/****************************************************************************/
int main(int argc, char **argv)
{
int retval = 0;
list<const Command *> commands;
list<const Command *>::const_iterator ci;
const Command *cmd;
binaryBaseName = basename(argv[0]);
getOptions(argc, argv);
commands = getMatchingCommands(commandName);
if (commands.size()) {
if (commands.size() == 1) {
cmd = commands.front();
commandName = cmd->name;
if (!helpRequested) {
masterDev.setIndex(masterIndex);
retval = cmd->execute();
} else {
cmd->displayHelp();
}
} else {
cerr << "Ambiguous command abbreviation! Matching:" << endl;
for (ci = commands.begin(); ci != commands.end(); ci++) {
cerr << (*ci)->name << endl;
}
cerr << endl;
printUsage();
retval = 1;
}
} else {
cerr << "Unknown command " << commandName << "!" << endl << endl;
printUsage();
retval = 1;
}
return retval;
}
/****************************************************************************/
void printRawData(
const uint8_t *data,
unsigned int size
)
{
cout << hex << setfill('0');
while (size--) {
cout << "0x" << setw(2) << (unsigned int) *data++;
if (size)
cout << " ";
}
cout << endl;
}
/****************************************************************************/