/**
* Checks the status of all network adapters. If one is up and has a valid IP
* address, sets mLinkUp to true. Sets mStatusKnown to true if the link status
* is definitive.
*/
void
nsNotifyAddrListener::CheckLinkStatus(void)
{
DWORD ret;
const char *event;
// This call is very expensive (~650 milliseconds), so we don't want to
// call it synchronously. Instead, we just start up assuming we have a
// network link, but we'll report that the status is unknown.
if (NS_IsMainThread()) {
NS_WARNING("CheckLinkStatus called on main thread! No check "
"performed. Assuming link is up, status is unknown.");
mLinkUp = true;
} else {
ret = CheckAdaptersAddresses();
if (ret != ERROR_SUCCESS) {
mLinkUp = true;
}
}
if (mStatusKnown)
event = mLinkUp ? NS_NETWORK_LINK_DATA_UP : NS_NETWORK_LINK_DATA_DOWN;
else
event = NS_NETWORK_LINK_DATA_UNKNOWN;
SendEventToUI(event);
}
/**
* Checks the status of all network adapters. If one is up and has a valid IP
* address, sets mLinkUp to true. Sets mStatusKnown to true if the link status
* is definitive.
*/
void
nsNotifyAddrListener::CheckLinkStatus(void)
{
DWORD ret;
const char *event;
ret = CheckAdaptersAddresses();
if (ret == ERROR_NOT_SUPPORTED)
ret = CheckAdaptersInfo();
if (ret == ERROR_NOT_SUPPORTED)
ret = CheckIPAddrTable();
if (ret != ERROR_SUCCESS)
mLinkUp = PR_TRUE; // I can't tell, so assume there's a link
if (mStatusKnown)
event = mLinkUp ? NS_NETWORK_LINK_DATA_UP : NS_NETWORK_LINK_DATA_DOWN;
else
event = NS_NETWORK_LINK_DATA_UNKNOWN;
SendEventToUI(event);
}
