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Use Wifi.hostByName() for ESP8266

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Saves ~1K on ESP8266. Also, the check for resolving to 255.255.255.255 is already done by Wifi.hostByName().
This commit is contained in:
rogg 2022-08-23 20:38:11 -07:00
parent c3fc050eba
commit 03f2e0b6e9
1 changed files with 7 additions and 4 deletions
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9
tasmota/tasmota_support/support_wifi.ino
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@ -817,15 +817,17 @@ void wifiKeepAlive(void) {
#endif // ESP8266 #endif // ESP8266
bool WifiHostByName(const char* aHostname, IPAddress& aResult) { bool WifiHostByName(const char* aHostname, IPAddress& aResult) {
#ifdef ESP8266
if (WiFi.hostByName(aHostname, aResult, Settings->dns_timeout)) {
return true;
}
#else
// DnsClient can't do one-shot mDNS queries so use WiFi.hostByName() for *.local // DnsClient can't do one-shot mDNS queries so use WiFi.hostByName() for *.local
size_t hostname_len = strlen(aHostname); size_t hostname_len = strlen(aHostname);
if (strstr_P(aHostname, PSTR(".local")) == &aHostname[hostname_len] - 6) { if (strstr_P(aHostname, PSTR(".local")) == &aHostname[hostname_len] - 6) {
if (WiFi.hostByName(aHostname, aResult)) { if (WiFi.hostByName(aHostname, aResult)) {
// Host name resolved
if (0xFFFFFFFF != (uint32_t)aResult) {
return true; return true;
} }
}
} else { } else {
// Use this instead of WiFi.hostByName or connect(host_name,.. to block less if DNS server is not found // Use this instead of WiFi.hostByName or connect(host_name,.. to block less if DNS server is not found
uint32_t dns_address = (!TasmotaGlobal.global_state.eth_down) ? Settings->eth_ipv4_address[3] : Settings->ipv4_address[3]; uint32_t dns_address = (!TasmotaGlobal.global_state.eth_down) ? Settings->eth_ipv4_address[3] : Settings->ipv4_address[3];
@ -834,6 +836,7 @@ bool WifiHostByName(const char* aHostname, IPAddress& aResult) {
return true; return true;
} }
} }
#endif
AddLog(LOG_LEVEL_DEBUG, PSTR("DNS: Unable to resolve '%s'"), aHostname); AddLog(LOG_LEVEL_DEBUG, PSTR("DNS: Unable to resolve '%s'"), aHostname);
return false; return false;
} }