RK:网络共存、Shell脚本
Platform: RK3288
OS: Android 5.1
Kernel: 3.10
1.1.需求：a.以太网、4G网络共存，以太网可使用内外网 b.自动切网络
1.2.调试命令：网络连接 adb shell dumpsys connectivity 查看网络优先等级
2.1.网络共存
--- a/frameworks/base/services/core/java/com/android/server/ConnectivityService.java
+++ b/frameworks/base/services/core/java/com/android/server/ConnectivityService.java
@@ -159,6 +159,8 @@ public class ConnectivityService extends IConnectivityManager.Stub
private static final boolean SAMPLE_DBG = false;
private static final boolean LOGD_RULES = false;
+ private static final boolean LOGD_BLOCKED_NETWORKINFO = true;
+ private static final boolean ENABLE_NETWORK_COEXIST = true;
// TODO: create better separation between radio types and network types
@@ -4039,7 +4041,12 @@ public class ConnectivityService extends IConnectivityManager.Stub
loge("Dead network still had at least " + nr);
break;
}
- nai.asyncChannel.disconnect();
+ if (ENABLE_NETWORK_COEXIST) {
+ log("Gatsby gatsby Skip teardownUnneededNetwork: " + nai.name());
+ } else {
+ nai.asyncChannel.disconnect();
+ }
+
}
private void handleLingerComplete(NetworkAgentInfo oldNetwork) {
2.2.网络优先等级
diff --git a/frameworks/opt/net/ethernet/java/com/android/server/ethernet/EthernetNetworkFactory.java b/frameworks/opt/net/ethernet/java/com/android/server/ethernet/EthernetNetworkFactory.java
index ab9c16a..2670e15 100755
--- a/frameworks/opt/net/ethernet/java/com/android/server/ethernet/EthernetNetworkFactory.java
+++ b/frameworks/opt/net/ethernet/java/com/android/server/ethernet/EthernetNetworkFactory.java
@@ -82,7 +82,7 @@ import java.lang.Exception;
class EthernetNetworkFactory {
private static final String NETWORK_TYPE = "Ethernet";
private static final String TAG = "EthernetNetworkFactory";
- private static final int NETWORK_SCORE = 150;
+ private static final int NETWORK_SCORE = 30;
private static final boolean DBG = true;
private static final boolean VDBG = false;
3.1.network_control.sh 以太网检测脚本
#!/system/bin/sh
#ECHO="/system/bin/log -t policy_route"
ECHO=echo
iface_wlan=wlan0
iface_ethernet=eth0
#脚本得到gataway
#gataway =$(ip route show table eth0 | grep "default" | busybox awk '{print $3}')
#####################################################
##
##
## 思路
## | 判断是否插入网线
## |
## |有IP地址，ping DNS ok, 证明外网是通的
## eth0 UP|有IP地址，ping 3 times DNS fail, 证明外网线断开，down/up eth0
## |无IP地址，等待20s 获取IP地址，若还没有，可以上层出问题 down/up eth0
##
##
## eth0 down 不考虑这种情况
##
##
#####################################################
count_succ=0
count_fail=0
dwup_times=0
while [ 1 ]
do
IF_DNUP=0
ip=0
iswireinsert=$(cat /sys/class/net/eth0/carrier)
#$ECHO "#####################iswireinsert=$iswireinsert###############################"
IF_DNUP=$(busybox ifconfig eth0 | grep "UP" | busybox awk '{print $1}')
ip=$(busybox ifconfig eth0 | grep 'inet addr' | busybox sed 's/^.*addr://g' | busybox sed 's/Bcast.*//g')
#$ECHO "#####################IF_DNUP=$IF_DNUP ip=$ip###############################"
if [ "$iswireinsert" == "1" ]; then
if [ "$IF_DNUP" == "UP" ]; then
if [ "$ip" != "" ]; then
#ping -c 3 -I $iface_ethernet 8.8.8.8
ping -c 3 -I $iface_ethernet www.baidu.com
if [ "$?" == "0" ] ; then
#count_succ=`busybox expr $count_succ + 1`
#$ECHO "ping success $count_succ times"
#$ECHO "ping success"
count_fail=0
else
count_fail=`busybox expr $count_fail + 1`
#$ECHO "ping fail $count_fail times"
if [ "$count_fail" -eq 3 ]; then
busybox ifconfig eth0 down
sleep 1
busybox ifconfig eth0 up
sleep 15
dwup_times=`busybox expr $dwup_times + 1`
count_fail=0
fi
fi
else
#$ECHO "Link up, no ip address, wait for 15s"
if [ "$ip" == "" ]; then
#$ECHO "LinkDownUp to obain ip $ip"
busybox ifconfig eth0 down
sleep 1
busybox ifconfig eth0 up
sleep 15
fi
fi
else
$ECHO "eth0 not LinkUp or The wire is not connected"
fi
else
$ECHO "The wire is not insert"
fi
#$ECHO "DownUp_times = $dwup_times"
sleep 10
done
exit 0
3.2.network_check.sh 网络切换机制
当 以太网能 ping通外网 情况下，关闭4G模块上网功能 4G模块信号图标不显示
当 以太网不能 ping通外网 ping 的通 内网 情况下 ,开启4G模块上网功能 4G模块信号图
#!/system/bin/sh
#ECHO="/system/bin/log -t policy_route"
ECHO=echo
iface_wlan=wlan0
iface_ethernet=eth0
iface_ppp=ppp0
#脚本得到gataway
#gataway =$(ip route show table eth0 | grep "default" | busybox awk '{print $3}')
#####################################################
##
##
## 思路
## | 判断是否插入网线
## |
## |有IP地址，ping DNS ok, 证明外网是通的
## eth0 UP|有IP地址，ping 3 times DNS fail, 证明外网线断开，down/up eth0
## |无IP地址，等待20s 获取IP地址，若还没有，可以上层出问题 down/up eth0
##
##
## eth0 down 不考虑这种情况
##
##
#####################################################
count_succ=0
count_fail=0
dwup_times=0
while [ 1 ]
do
IF_DNUP=0
ip=0
iswireinsert=$(cat /sys/class/net/eth0/carrier)
#$ECHO "#####################iswireinsert=$iswireinsert###############################"
IF_DNUP=$(busybox ifconfig eth0 | grep "UP" | busybox awk '{print $1}')
ip=$(busybox ifconfig eth0 | grep 'inet addr' | busybox sed 's/^.*addr://g' | busybox sed 's/Bcast.*//g')
#$ECHO "#####################IF_DNUP=$IF_DNUP ip=$ip###############################"
if [ "$iswireinsert" == "1" ]; then
if [ "$IF_DNUP" == "UP" ]; then
if [ "$ip" != "" ]; then
ping -c 3 -I $iface_ethernet 8.8.8.8
#ping -c 3 -I $iface_ethernet www.baidu.com
if [ "$?" == "0" ] ; then
count_succ=`busybox expr $count_succ + 1`
$ECHO "ping success $count_succ times"
#$ECHO "ping success"
if ping -c 1 -I $iface_ppp www.baidu.com > /dev/null; then
echo "$iface_ppp Ping is successful."
stop ril-daemon
fi
count_fail=0
else
count_fail=`busybox expr $count_fail + 1`
$ECHO "ping fail $count_fail times"
if [ "$count_fail" -eq 1 ]; then
stop ril-daemon
sleep 1
start ril-daemon
fi
fi
else
#$ECHO "Link up, no ip address, wait for 15s"
if [ "$ip" == "" ]; then
$ECHO "LinkDownUp to obain ip $ip"
#busybox ifconfig eth0 down
#sleep 1
#busybox ifconfig eth0 up
#sleep 15
fi
fi
else
$ECHO "eth0 not LinkUp or The wire is not connected"
fi
else
$ECHO "The wire is not insert"
fi
#$ECHO "DownUp_times = $dwup_times"
sleep 10
done
exit 0
4G保活
#!/system/bin/sh
ECHO=echo
iface_ppp0=ppp0
model_power_class="/sys/class/xh_custom/xh_custom_gpio/device/xh_3g_power"
model_power_up=1
model_power_down=0
#####################################################
##
##
## 思路
## | 开机ping 外网DNS 2分钟轮询一次 轮询超过15次 模块重新上电 重新加载ril服务 重新加载ril服务超过24次则reboot机器
##
#####################################################
count_fail=0
ril_count=0
while [ 1 ]
do
#ping -c 3 -I $iface_ppp0 8.8.8.8
ppp0_exits=`netcfg | grep ppp0 | busybox awk '{print $1}'`
if [ x$ppp0_exits == x$iface_ppp0 ];then
ping -c 3 -I $iface_ppp0 www.baidu.com
if [ "$?" == "0" ] ; then
count_fail=0
ril_count=0
else
count_fail=`busybox expr $count_fail + 1`
$ECHO "ping fail $count_fail times"
if [ "$ril_count" -eq 24 ]; then
reboot
fi
if [ "$count_fail" -eq 30 ]; then
$ECHO "$model_power_down" > "$model_power_class"
sleep 5
$ECHO "$model_power_up" > "$model_power_class"
sleep 5
busybox pkill -f /system/bin/pppd
sleep 5
stop ril-daemon
sleep 5
start ril-daemon
sleep 180
ril_count=`busybox expr $ril_count + 1`
$ECHO "ril_count start $ril_count times"
count_fail=0
fi
fi
fi
sleep 120
done
exit 0
