LineageOS/android_packages_modules_Connectivity
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Stop using shared DUN APN when tethering stops.

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Even if other people are sharing the connection (ie, carrier wants
default and tethered traffic on the same APN) stop using
a carrier-described APN when the tethering stops.

bug:5525764
Change-Id: I95ed2aaed4d79519d233a62cf2945edead8114bc
This commit is contained in:
Robert Greenwalt
2011-12-13 15:26:02 -08:00
parent bcd1e340c6
commit 7fa3bdb746
1 changed files with 25 additions and 11 deletions
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36
services/java/com/android/server/ConnectivityService.java
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@@ -1031,9 +1031,14 @@ private NetworkStateTracker makeWimaxStateTracker() {
if ((ni.isConnectedOrConnecting() == true) &&
!network.isTeardownRequested()) {
if (ni.isConnected() == true) {
// add the pid-specific dns
handleDnsConfigurationChange(usedNetworkType);
if (VDBG) log("special network already active");
final long token = Binder.clearCallingIdentity();
try {
// add the pid-specific dns
handleDnsConfigurationChange(usedNetworkType);
if (VDBG) log("special network already active");
} finally {
Binder.restoreCallingIdentity(token);
}
return Phone.APN_ALREADY_ACTIVE;
}
if (VDBG) log("special network already connecting");
@@ -1221,6 +1226,7 @@ private NetworkStateTracker makeWimaxStateTracker() {
}
if (!ConnectivityManager.isNetworkTypeValid(networkType)) {
if (DBG) log("requestRouteToHostAddress on invalid network: " + networkType);
return false;
}
NetworkStateTracker tracker = mNetTrackers[networkType];
@@ -1233,11 +1239,16 @@ private NetworkStateTracker makeWimaxStateTracker() {
}
return false;
}
final long token = Binder.clearCallingIdentity();
try {
InetAddress addr = InetAddress.getByAddress(hostAddress);
LinkProperties lp = tracker.getLinkProperties();
return addRouteToAddress(lp, addr);
} catch (UnknownHostException e) {}
} catch (UnknownHostException e) {
if (DBG) log("requestRouteToHostAddress got " + e.toString());
} finally {
Binder.restoreCallingIdentity(token);
}
return false;
}
@@ -1277,7 +1288,10 @@ private NetworkStateTracker makeWimaxStateTracker() {
private boolean modifyRoute(String ifaceName, LinkProperties lp, RouteInfo r, int cycleCount,
boolean doAdd, boolean toDefaultTable) {
if ((ifaceName == null) || (lp == null) || (r == null)) return false;
if ((ifaceName == null) || (lp == null) || (r == null)) {
if (DBG) log("modifyRoute got unexpected null: " + ifaceName + ", " + lp + ", " + r);
return false;
}
if (cycleCount > MAX_HOSTROUTE_CYCLE_COUNT) {
loge("Error modifying route - too much recursion");
@@ -1309,7 +1323,7 @@ private NetworkStateTracker makeWimaxStateTracker() {
}
} catch (Exception e) {
// never crash - catch them all
if (VDBG) loge("Exception trying to add a route: " + e);
if (DBG) loge("Exception trying to add a route: " + e);
return false;
}
} else {
@@ -1323,7 +1337,7 @@ private NetworkStateTracker makeWimaxStateTracker() {
mNetd.removeRoute(ifaceName, r);
} catch (Exception e) {
// never crash - catch them all
if (VDBG) loge("Exception trying to remove a route: " + e);
if (DBG) loge("Exception trying to remove a route: " + e);
return false;
}
} else {
@@ -1335,7 +1349,7 @@ private NetworkStateTracker makeWimaxStateTracker() {
mNetd.removeSecondaryRoute(ifaceName, r);
} catch (Exception e) {
// never crash - catch them all
if (VDBG) loge("Exception trying to remove a route: " + e);
if (DBG) loge("Exception trying to remove a route: " + e);
return false;
}
}
@@ -1998,7 +2012,7 @@ private NetworkStateTracker makeWimaxStateTracker() {
mNetd.removeRoute(ifaceName, r);
} catch (Exception e) {
// never crash - catch them all
if (VDBG) loge("Exception trying to remove a route: " + e);
if (DBG) loge("Exception trying to remove a route: " + e);
}
}
}
@@ -2212,7 +2226,7 @@ private NetworkStateTracker makeWimaxStateTracker() {
mNetd.setDnsServersForInterface(iface, NetworkUtils.makeStrings(dnses));
mNetd.setDefaultInterfaceForDns(iface);
} catch (Exception e) {
if (VDBG) loge("exception setting default dns interface: " + e);
if (DBG) loge("exception setting default dns interface: " + e);
}
}
if (!domains.equals(SystemProperties.get("net.dns.search"))) {
@@ -2242,7 +2256,7 @@ private NetworkStateTracker makeWimaxStateTracker() {
mNetd.setDnsServersForInterface(p.getInterfaceName(),
NetworkUtils.makeStrings(dnses));
} catch (Exception e) {
if (VDBG) loge("exception setting dns servers: " + e);
if (DBG) loge("exception setting dns servers: " + e);
}
// set per-pid dns for attached secondary nets
List pids = mNetRequestersPids[netType];