| OZ++ Sample: InterfaceAddrRequest |
/******************************************************************************
*
* Copyright (c) 2014 Antillia.com TOSHIYUKI ARAI. ALL RIGHTS RESERVED.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
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*
* InterfaceAddrRequest.cpp
*
*****************************************************************************/
#include <oz++/CommonObject.h>
#include <oz++/Locale.h>
#include <oz++/Exception.h>
#include <oz++/netlink/SocketNetlink.h>
#include <oz++/netlink/SockAddrNetlink.h>
#include <oz++/netlink/InterfaceAddrAttribute.h>
#include <oz++/netlink/NetlinkMsgHeader.h>
#include <oz++/netlink/InterfaceAddrMsg.h>
#include <oz++/netlink/NetlinkRequest.h>
namespace OZ {
class InterfaceAddrRequest :public CommonObject {
private:
NetlinkRequest<ifaddrmsg> request;
SocketNetlink socketNetlink;
public:
InterfaceAddrRequest(unsigned char family)
{
NetlinkMsgHeader header(&request.head);
header.type(RTM_GETADDR);
header.flags(NLM_F_ROOT|NLM_F_REQUEST);
header.pid(getpid());
InterfaceAddrMsg body(&request.body);
body.family(family);
header.length( NLMSG_LENGTH(body.size()) );
}
~InterfaceAddrRequest()
{
socketNetlink.close();
}
int send()
{
return socketNetlink.send((const char*)&request, sizeof(request), 0);
}
void recv()
{
while (true) {
char buffer[4096];
bzero(buffer, sizeof(buffer));
int n = socketNetlink.recv(buffer, sizeof(buffer), 0);
if (n < 0){
break;;
}
NetlinkMsgHeader netlinkMsgHeader(buffer, n);
if (netlinkMsgHeader.isDone() || netlinkMsgHeader.isError()) {
break;
}
try {
do {
netlinkMsgHeader.display();
InterfaceAddrMsg addrMsg(netlinkMsgHeader.data());
InterfaceAddrAttribute attr(netlinkMsgHeader, addrMsg);
do {
attr.parse();
} while (attr.next() );
addrMsg.display();
printf("\n");
} while (netlinkMsgHeader.next());
} catch (Exception& ex) {
ex.display();
}
fflush(stdout);
} //while
}
};
}
int main(int argc, char* argv[])
{
Locale locale;
try {
InterfaceAddrRequest inetRequest(AF_INET);
inetRequest.send();
inetRequest.recv();
InterfaceAddrRequest inet6Request(AF_INET6);
inet6Request.send();
inet6Request.recv();
} catch (Exception& ex) {
ex.display();
}
return 0;
}