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POiPhone Data Usage Tracking/Monitoring
 

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    <p>I've searched over this topic but found very few details which were helpful. With these details I've tried to cook some code as follows.</p> <p><strong>Note: Please compare the details shared in this post with other posts before marking this as DUPLICATE, and not just by the subject.</strong></p> <pre><code>- (NSArray *)getDataCountersForType:(int)type { BOOL success; struct ifaddrs *addrs = nil; const struct ifaddrs *cursor = nil; const struct sockaddr_dl *dlAddr = nil; const struct if_data *networkStatisc = nil; int dataSent = 0; int dataReceived = 0; success = getifaddrs(&amp;addrs) == 0; if (success) { cursor = addrs; while (cursor != NULL) { if (cursor-&gt;ifa_addr-&gt;sa_family == AF_LINK) { dlAddr = (const struct sockaddr_dl *) cursor-&gt;ifa_addr; networkStatisc = (const struct if_data *) cursor-&gt;ifa_data; if (type == WiFi) { dataSent += networkStatisc-&gt;ifi_opackets; dataReceived += networkStatisc-&gt;ifi_ipackets; } else if (type == WWAN) { dataSent += networkStatisc-&gt;ifi_obytes; dataReceived += networkStatisc-&gt;ifi_ibytes; } } cursor = cursor-&gt;ifa_next; } freeifaddrs(addrs); } return [NSArray arrayWithObjects:[NSNumber numberWithInt:dataSent], [NSNumber numberWithInt:dataReceived], nil]; } </code></pre> <p>This code collects information of internet usage of an iPhone device (and not my application alone). </p> <p>Now, if I use internet through WiFi or through 3G, I get the the data (bytes) only in <code>ifi_obytes</code> (sent) and <code>ifi_ibytes</code> (received) but I think I should get WiFi usage in <code>ifi_opackets</code> and <code>ifi_ipackets</code>.</p> <p>Also wanted to add that if I'm connected to a WiFi network, but am not using internet, I still get value added to <code>ifi_obytes</code> and <code>ifi_ibytes</code>.</p> <p>May be I'm wrong in the implementation or understanding. Need someone to help me out.</p> <hr> <p>Edit: Instead of <code>AF_LINK</code> I tried <code>AF_INET</code> (<code>sockaddr_in</code> instead of <code>sockaddr_dl</code>). This crashes the application.</p>
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