Jpp 19.3.0-rc.1
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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

◆ main()

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}
#define FATAL(A)
Definition JMessage.hh:67
#define make_field(A,...)
macro to convert parameter to JParserTemplateElement object
Definition JParser.hh:2142
Utility class to parse command line options.
Definition JParser.hh:1698
This name space includes all other name spaces (except KM3NETDAQ, KM3NET and ANTARES).
std::vector< std::string > getListOfIPaddresses()
Get list of IP address (decimal-dot notation).
Definition JNetwork.hh:216
unsigned short getSubaddress(const int ip)
Get host identifier within network.
Definition JNetwork.hh:190
int getIPnumber(const std::string &host_name)
Get IP number.
Definition JNetwork.hh:117
std::string getHostname()
Get host name.
Definition JNetwork.hh:77