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RDKCOM-5520: RDKBDEV-3368 Fix the old dhcp server route was not deleted when dhcp server changes #186

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RDKCOM-5520: RDKBDEV-3368 Fix the old dhcp server route was not deleted when dhcp server changes #186

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18 changes: 15 additions & 3 deletions source/WanManager/wanmgr_net_utils.c
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Original file line number Diff line number Diff line change
Expand Up @@ -2267,9 +2267,20 @@ int WanManager_AddGatewayRoute(const WANMGR_IPV4_DATA* pIpv4Info)
char cmd[BUFLEN_128]={0};
int ret = RETURN_OK;
FILE *fp = NULL;

char interface_gw[32] = {0};
char backup_gw[32] = {0};

/* delete gateway first before add */
snprintf(cmd, sizeof(cmd), "route del %s dev %s", pIpv4Info->gateway, pIpv4Info->ifname);
snprintf(interface_gw,sizeof(interface_gw),"%s_backup_gw",pIpv4Info->ifname);
sysevent_get(sysevent_fd, sysevent_token, interface_gw, backup_gw, sizeof(backup_gw));
if(strlen(backup_gw) > 0)
{
snprintf(cmd, sizeof(cmd), "route del %s dev %s", backup_gw, pIpv4Info->ifname);
}
else
{
snprintf(cmd, sizeof(cmd), "route del %s dev %s", pIpv4Info->gateway, pIpv4Info->ifname);
}
WanManager_DoSystemAction("SetUpSystemGateway:", cmd);

/* Sets gateway route entry */
Expand All @@ -2279,6 +2290,7 @@ int WanManager_AddGatewayRoute(const WANMGR_IPV4_DATA* pIpv4Info)
WanManager_DoSystemAction("SetUpSystemGateway:", cmd);
CcspTraceInfo(("%s %d - The gateway route entries set!\n",__FUNCTION__,__LINE__));
}
sysevent_set(sysevent_fd, sysevent_token,interface_gw, pIpv4Info->gateway, 0);

return ret;
}
Expand Down Expand Up @@ -3067,4 +3079,4 @@ ANSC_STATUS WanManager_Wait_Until_IPv6_LinkLocal_ReadyToUse(char *pInterfaceName
}

return returnStatus;
}
}