← Back to branch summary

~mateo-salta/nitroshare/nitroshare

« back to all changes in this revision

Viewing changes to src/discovery/CBasicBroadcaster.cpp

  • Committer: Nathan Osman
  • Date: 2012-06-29 22:01:55 UTC
  • Revision ID: admin@quickmediasolutions.com-20120629220155-ogwrn9fxxve9wyw1
Moved a TON of the broadcast and discovery code around, creating separate classes for each and partially implementing their use in the first start wizard.

Show diffs side-by-side

added added

removed removed

Lines of Context:
src/discovery/CBasicBroadcaster.cpp
14
14
   You should have received a copy of the GNU General Public License
15
15
   along with this program.  If not, see <http://www.gnu.org/licenses/>. */
16
16
 
17
 
#include <discovery/CBasicBroadcastServer.h>
18
 
 
19
 
CBasicBroadcastServer::CBasicBroadcastServer()
20
 
{
21
 
    //...
 
17
#include <QDateTime>
 
18
#include <qjson/serializer.h>
 
19
 
 
20
#include <discovery/CBasicBroadcaster.h>
 
21
#include <util/definitions.h>
 
22
#include <util/network.h>
 
23
#include <util/settings.h>
 
24
 
 
25
CBasicBroadcaster::CBasicBroadcaster()
 
26
{
 
27
    connect(&m_timer, SIGNAL(timeout()), SLOT(OnTimer()));
 
28
 
 
29
    /* Store the current time (that this broadcaster was started with)
 
30
       to inform other machines of how long we have been running. */
 
31
    m_uptime = QDateTime::currentMSecsSinceEpoch();
 
32
}
 
33
 
 
34
void CBasicBroadcaster::Init()
 
35
{
 
36
    /* When this method is called without a network interface,
 
37
       we simply use GetCurrentInterface to either load the user's
 
38
       default interface or find one that is suitable for use. */
 
39
    Init(Network::GetCurrentInterface());
 
40
}
 
41
 
 
42
void CBasicBroadcaster::Init(QNetworkInterface interface)
 
43
{
 
44
    /* Stop the timer if it is currently running. */
 
45
    m_timer.stop();
 
46
 
 
47
    /* Attempt to find an IPv4 broadcast and netmask address on the interface. */
 
48
    if(!Network::FindIPv4Address(interface, &m_broadcast_address, &m_netmask_address))
 
49
    {
 
50
        emit Error(tr("Unable to find an IPv4 broadcast and netmask address for the current interface."));
 
51
        return;
 
52
    }
 
53
 
 
54
    /* Start the timer and send out an initial ping. */
 
55
    m_timer.setInterval(Settings::Get("Network/BroadcastInterval").toInt());
 
56
    m_timer.start();
 
57
 
 
58
    OnTimer();
 
59
}
 
60
 
 
61
bool CBasicBroadcaster::HasAddress(QHostAddress address)
 
62
{
 
63
    return address.isInSubnet(m_broadcast_address, m_netmask_address.toIPv4Address());
 
64
}
 
65
 
 
66
void CBasicBroadcaster::OnTimer()
 
67
{
 
68
    /* Construct the JSON map containing some information about our instance. */
 
69
    QVariantMap info;
 
70
    info["version"]           = Definitions::Version;
 
71
    info["id"]                = Settings::GetID();
 
72
    info["name"]              = Settings::Get("General/MachineName");
 
73
    info["transmission_port"] = Settings::Get("Network/TransmissionPort");
 
74
    info["uptimer"]           = m_uptime;
 
75
 
 
76
    /* Write the information to the broadcast port we discovered earlier. */
 
77
    writeDatagram(QJson::Serializer().serialize(QVariant(info)),
 
78
                  m_broadcast_address, Settings::Get("Network/BroadcastPort").toUInt());
22
79
}