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fix(network): retry around all getExternalInterface

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This commit is contained in:
Alex 2019-05-29 16:17:40 +02:00
parent 9b89fc6470
commit b05d4cd413
1 changed files with 28 additions and 22 deletions
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50
src/modules/network.cpp
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@ -519,8 +519,15 @@ bool waybar::modules::Network::checkInterface(struct ifinfomsg *rtif, std::strin
return config_["interface"].asString() == name || return config_["interface"].asString() == name ||
wildcardMatch(config_["interface"].asString(), name); wildcardMatch(config_["interface"].asString(), name);
} }
auto external_iface = getExternalInterface(); // getExternalInterface may need some delay to detect external interface
return external_iface == rtif->ifi_index; for (uint8_t tries = 0; tries < MAX_RETRY; tries += 1) {
auto external_iface = getExternalInterface();
if (external_iface > 0) {
return external_iface == rtif->ifi_index;
}
std::this_thread::sleep_for(std::chrono::milliseconds(500));
}
return false;
} }
int waybar::modules::Network::getPreferredIface(int skip_idx) const { int waybar::modules::Network::getPreferredIface(int skip_idx) const {
@ -550,9 +557,13 @@ int waybar::modules::Network::getPreferredIface(int skip_idx) const {
return ifid; return ifid;
} }
} }
ifid = getExternalInterface(skip_idx); // getExternalInterface may need some delay to detect external interface
if (ifid > 0) { for (uint8_t tries = 0; tries < MAX_RETRY; tries += 1) {
return ifid; ifid = getExternalInterface(skip_idx);
if (ifid > 0) {
return ifid;
}
std::this_thread::sleep_for(std::chrono::milliseconds(500));
} }
return -1; return -1;
} }
@ -597,23 +608,25 @@ int waybar::modules::Network::handleEvents(struct nl_msg *msg, void *data) {
net->clearIface(); net->clearIface();
// Check for a new interface and get info // Check for a new interface and get info
net->checkNewInterface(ifi); net->checkNewInterface(ifi);
} else {
net->dp.emit();
} }
net->dp.emit();
return NL_OK; return NL_OK;
} }
} else if (nh->nlmsg_type == RTM_NEWLINK || nh->nlmsg_type == RTM_DELLINK) { } else if (nh->nlmsg_type == RTM_NEWLINK || nh->nlmsg_type == RTM_DELLINK) {
char ifname[IF_NAMESIZE]; char ifname[IF_NAMESIZE];
if_indextoname(ifi->ifi_index, ifname); if_indextoname(ifi->ifi_index, ifname);
// Check for valid interface // Check for valid interface
if ((net->ifid_ == -1 || ifi->ifi_index != net->ifid_) && net->checkInterface(ifi, ifname)) { if (ifi->ifi_index != net->ifid_ && net->checkInterface(ifi, ifname)) {
net->ifname_ = ifname; net->ifname_ = ifname;
net->ifid_ = ifi->ifi_index; net->ifid_ = ifi->ifi_index;
// Get Iface and WIFI info // Get Iface and WIFI info
net->getInterfaceAddress(); net->getInterfaceAddress();
net->thread_timer_.wake_up(); net->thread_timer_.wake_up();
return NL_OK; return NL_OK;
} else if (ifi->ifi_index == net->ifid_ && (!(ifi->ifi_flags & IFF_RUNNING) || } else if (ifi->ifi_index == net->ifid_ &&
!(ifi->ifi_flags & IFF_UP) || !net->checkInterface(ifi, ifname))) { (!(ifi->ifi_flags & IFF_RUNNING) || !(ifi->ifi_flags & IFF_UP) ||
!net->checkInterface(ifi, ifname))) {
net->clearIface(); net->clearIface();
// Check for a new interface and get info // Check for a new interface and get info
net->checkNewInterface(ifi); net->checkNewInterface(ifi);
@ -623,20 +636,13 @@ int waybar::modules::Network::handleEvents(struct nl_msg *msg, void *data) {
char ifname[IF_NAMESIZE]; char ifname[IF_NAMESIZE];
if_indextoname(ifi->ifi_index, ifname); if_indextoname(ifi->ifi_index, ifname);
// Auto detected network can also be assigned here // Auto detected network can also be assigned here
if (net->ifid_ == -1 || ifi->ifi_index != net->ifid_) { if (ifi->ifi_index != net->ifid_ && net->checkInterface(ifi, ifname)) {
// checkInterface may need some delay to detect external interface // If iface is different, clear data
for (uint8_t tries = 0; tries < MAX_RETRY; tries += 1) { if (ifi->ifi_index != net->ifid_) {
if (net->checkInterface(ifi, ifname)) { net->clearIface();
// If iface is different, clear data
if (ifi->ifi_index != net->ifid_) {
net->clearIface();
}
net->ifname_ = ifname;
net->ifid_ = ifi->ifi_index;
break;
}
std::this_thread::sleep_for(std::chrono::milliseconds(500));
} }
net->ifname_ = ifname;
net->ifid_ = ifi->ifi_index;
} }
// Check for valid interface // Check for valid interface
if (ifi->ifi_index == net->ifid_) { if (ifi->ifi_index == net->ifid_) {