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fix: DNSServer Lib - improper startup code in WiFi mode (#10366)

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* DNSServer: fix improper startup code in WiFi mode

When running on WiFi-AP mode server's start() method returned true while in fact UDP listening socket was never created
Regression introduced in #8760
Closes #10330

* ci(pre-commit): Apply automatic fixes

---------

Co-authored-by: pre-commit-ci-lite[bot] <117423508+pre-commit-ci-lite[bot]@users.noreply.github.com>
This commit is contained in:
vortigont 2024-09-26 07:37:00 +09:00 committed by GitHub
parent 55bd1d5ee2
commit b05f18dad5
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2 changed files with 10 additions and 3 deletions
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6
libraries/DNSServer/examples/CaptivePortal/CaptivePortal.ino
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@ -39,7 +39,11 @@ void setup() {
// by default DNSServer is started serving any "*" domain name. It will reply
// AccessPoint's IP to all DNS request (this is required for Captive Portal detection)
dnsServer.start();
if (dnsServer.start()) {
Serial.println("Started DNS server in captive portal-mode");
} else {
Serial.println("Err: Can't start DNS server!");
}
// serve a simple root page
server.on("/", handleRoot);

7
libraries/DNSServer/src/DNSServer.cpp
View file

@ -22,10 +22,13 @@ bool DNSServer::start() {
#if SOC_WIFI_SUPPORTED
if (WiFi.getMode() & WIFI_AP) {
_resolvedIP = WiFi.softAPIP();
return true;
} else {
return false; // won't run if WiFi is not in AP mode, or no WiFi
}
#else
return false; // for other non WiFi-AP networking an overloaded method must be used to get device's IP
// start(uint16_t port, const String &domainName, const IPAddress &resolvedIP)
#endif
return false; // won't run if WiFi is not in AP mode
}
_udp.close();