thin-provisioning-tools/base/application.cc

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2014-08-27 18:31:31 +05:30
#include "base/application.h"
#include <linux/limits.h>
#include <string.h>
using namespace base;
using namespace std;
//----------------------------------------------------------------
int
application::run(int argc, char **argv)
{
string cmd = basename(argv[0]);
if (cmd == string("pdata_tools")) {
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argc--;
argv++;
if (!argc) {
usage();
return 1;
}
cmd = argv[0];
}
std::list<command const *>::const_iterator it;
for (it = cmds_.begin(); it != cmds_.end(); ++it) {
if (cmd == (*it)->get_name())
return (*it)->run(argc, argv);
}
std::cerr << "Unknown command '" << cmd << "'\n";
usage();
return 1;
}
void
application::usage()
{
std::cerr << "Usage: <command> <args>\n"
<< "commands:\n";
std::list<command const *>::const_iterator it;
for (it = cmds_.begin(); it != cmds_.end(); ++it) {
std::cerr << " " << (*it)->get_name() << "\n";
}
}
std::string
application::basename(std::string const &path) const
{
char buffer[PATH_MAX + 1];
memset(buffer, 0, sizeof(buffer));
strncpy(buffer, path.c_str(), PATH_MAX);
return ::basename(buffer);
}
//----------------------------------------------------------------