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JNetwork.cc File Reference

Example program to print IP address. More...

#include <string>
#include <vector>
#include <iostream>
#include <iomanip>
#include "JSystem/JNetwork.hh"
#include "Jeep/JParser.hh"
#include "Jeep/JMessage.hh"

Go to the source code of this file.

Functions

int main (int argc, char *argv[])
 

Detailed Description

Example program to print IP address.

Author
mdejong

Definition in file JNetwork.cc.

Function Documentation

int main ( int  argc,
char *  argv[] 
)

Definition at line 17 of file JNetwork.cc.

18 {
19  using namespace std;
20  using namespace JPP;
21 
22  string host_name;
23 
24  try {
25 
26  JParser<> zap("Example program to print IP address.");
27 
28  zap['H'] = make_field(host_name) = "localhost";
29 
30  zap(argc, argv);
31  }
32  catch(const exception &error) {
33  FATAL(error.what() << endl);
34  }
35 
36 
37  int ip = getIPnumber(host_name);
38 
39  cout << "IP number " << ip << endl;
40  cout << "IP address " << getIPaddress(ip) << endl;
41  cout << "host name " << getHostname(ip) << endl;
42  cout << "subaddress "
43  << dec << getSubaddress(ip) << " (dec)" << ' '
44  << hex << getSubaddress(ip) << " (hex)" << endl;
45 
46  cout << endl;
47 
49 
50  for (vector<string>::const_iterator i = result.begin(); i != result.end(); ++i) {
51  cout << "IP address " << *i << endl;
52  }
53 }
int getIPnumber(const std::string &host_name)
Get IP number.
Definition: JNetwork.hh:117
Utility class to parse command line options.
Definition: JParser.hh:1500
std::string getIPaddress(const int ip)
Get IP address (decimal-dot notation).
Definition: JNetwork.hh:154
unsigned short getSubaddress(const int ip)
Get host identifier within network.
Definition: JNetwork.hh:190
#define make_field(A,...)
macro to convert parameter to JParserTemplateElement object
Definition: JParser.hh:1961
return result
Definition: JPolint.hh:743
std::string getHostname()
Get host name.
Definition: JNetwork.hh:77
#define FATAL(A)
Definition: JMessage.hh:67
std::vector< std::string > getListOfIPaddresses()
Get list of IP address (decimal-dot notation).
Definition: JNetwork.hh:216