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Code Releases Activity

issues with captive portals and preloadscan hammering

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Shawn A
2018-07-19 16:54:38 -05:00
parent ad623cb586
commit 24de319c7e
2 changed files with 8 additions and 3 deletions
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WiFiManager.cpp
+7 -3
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@@ -856,7 +856,10 @@ void WiFiManager::handleRoot() {
server->sendHeader(FPSTR(HTTP_HEAD_CL), String(page.length()));
server->send(200, FPSTR(HTTP_HEAD_CT), page);
// server->close(); // testing reliability fix for content length mismatches during mutiple flood hits WiFi_scanNetworks(); // preload wifiscan
if(_preloadwifiscan) WiFi_scanNetworks((unsigned)10000); // preload wifiscan throttled
if(_preloadwifiscan) WiFi_scanNetworks((unsigned)20000); // preload wifiscan throttled
// @todo buggy, captive portals make a query on every page load, causing this to run every time in addition to the real page load
// I dont understand why, when you are already in the captive portal, I guess they want to know that its still up and not done or gone
// if we can detect these and ignore them that would be great, since they come from the captive portal redirect maybe there is a refferer
}
/**
@@ -945,11 +948,12 @@ bool WiFiManager::WiFi_scanNetworks(bool force){
// DEBUG_WM("scanNetworks force:",force == true);
// DEBUG_WM(_numNetworks,(millis()-_lastscan ));
if(force || _numNetworks == 0 || (millis()-_lastscan > 60000)){
unsigned int _scanstart = millis();
_numNetworks = WiFi.scanNetworks();
_lastscan = millis();
DEBUG_WM(DEBUG_VERBOSE,F("WiFi Scan done"));
DEBUG_WM(DEBUG_VERBOSE,F("WiFi Scan done"), "in "+(String)(_lastscan - _scanstart)+"ms");
return true;
} else DEBUG_WM(DEBUG_VERBOSE,"Scan is cached");
} else DEBUG_WM(DEBUG_VERBOSE,"Scan is cached",(String)(millis()-_lastscan )+"ago");
return false;
}