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speed up WiFi.hostByName when the hostname is actually a IP.

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This commit is contained in:
Markus Sattler
2016-02-18 23:00:25 +01:00
parent 127f05da9f
commit 3e9dede14e
2 changed files with 28 additions and 1 deletions
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19
libraries/ESP8266WiFi/src/ESP8266WiFiGeneric.cpp
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@ -316,15 +316,32 @@ void wifi_dns_found_callback(const char *name, ip_addr_t *ipaddr, void *callback
int ESP8266WiFiGenericClass::hostByName(const char* aHostname, IPAddress& aResult) {
ip_addr_t addr;
aResult = static_cast<uint32_t>(0);
if(aResult.fromString(aHostname)) {
// Host name is a IP address use it!
DEBUG_WIFI_GENERIC("[hostByName] Host: %s is a IP!\n", aHostname);
return 1;
}
DEBUG_WIFI_GENERIC("[hostByName] request IP for: %s\n", aHostname);
err_t err = dns_gethostbyname(aHostname, &addr, &wifi_dns_found_callback, &aResult);
if(err == ERR_OK) {
aResult = addr.addr;
} else if(err == ERR_INPROGRESS) {
esp_yield();
// will return here when dns_found_callback fires
if(aResult != 0) {
err = ERR_OK;
}
}
return (aResult != 0) ? 1 : 0;
if(err != 0) {
DEBUG_WIFI_GENERIC("[hostByName] Host: %s lookup error: %d!\n", aHostname, err);
} else {
DEBUG_WIFI_GENERIC("[hostByName] Host: %s IP: %s\n", aHostname, aResult.toString().c_str());
}
return (err == ERR_OK) ? 1 : 0;
}
/**