| OZ++ Sample: TrafficControlRequest |
/******************************************************************************
*
* 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
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer.
*
* 2. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*
* TrafficControlRequest.cpp
*
*****************************************************************************/
#include <oz++/CommonObject.h>
#include <oz++/Exception.h>
#include <oz++/Locale.h>
#include <oz++/netlink/SocketNetlink.h>
#include <oz++/netlink/SockAddrNetlink.h>
#include <oz++/netlink/TrafficControlMsg.h>
#include <oz++/netlink/TrafficControlAttribute.h>
#include <oz++/netlink/NetlinkMsgHeader.h>
#include <oz++/netlink/NetlinkRequest.h>
#include <oz++/netlink/NetlinkReply.h>
namespace OZ {
class TrafficControlRequest :public CommonObject {
private:
NetlinkRequest<tcmsg> request;
SocketNetlink socketNetlink;
NetlinkReply<tcmsg> reply;
public:
TrafficControlRequest(int parent = TC_H_ROOT)
{
NetlinkMsgHeader header(&request.head);
header.type(RTM_GETQDISC);
header.flags(NLM_F_REQUEST |NLM_F_DUMP);
header.pid(getpid());
TrafficControlMsg body(&request.body);
body.family(AF_UNSPEC);
body.ifindex(0);
body.parent(parent);
header.length(NLMSG_LENGTH(body.size()) );
}
int bind()
{
SockAddrNetlink local;
local.setFamily(AF_NETLINK);
local.setPid(getpid());
return socketNetlink.bind(&local);
}
int connect()
{
SockAddrNetlink remote;
remote.setFamily(AF_NETLINK);
remote.setPid(0);
return socketNetlink.connect(remote);
}
int send()
{
return socketNetlink.send((const char*)&request, sizeof(request), 0);
}
void recv()
{
int count = 1;
char filename[256];
while (true) {
bzero(&reply, sizeof(reply));
int n = socketNetlink.recv((char*)&reply, sizeof(reply), 0);
if (n < 0){
break;;
}
sprintf(filename, "./reply_%d.bin", count++);
NetlinkMsgHeader replyMsgHeader(&reply.head);
if (replyMsgHeader.isDone() || replyMsgHeader.isError()) {
break;
}
try {
do {
replyMsgHeader.display();
replyMsgHeader.save(filename);
TrafficControlMsg replyTrafficControlMsg(&reply.body);
TrafficControlAttribute attr(replyMsgHeader, replyTrafficControlMsg);
do {
attr.parse();
} while (attr.next() );
replyTrafficControlMsg.display();
printf("\n");
} while (replyMsgHeader.next());
} catch (Exception& ex) {
ex.display();
}
fflush(stdout);
} //while
}
};
}
int main(int argc, char* argv[])
{
Locale locale;
try {
TrafficControlRequest request;
request.send();
request.bind();
request.recv();
} catch (Exception& ex) {
ex.display();
}
return 0;
}