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Cleanup WiFiMulti #2955

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Jul 9, 2019
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115 changes: 50 additions & 65 deletions libraries/WiFi/src/WiFiMulti.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -34,22 +34,64 @@ WiFiMulti::WiFiMulti()

WiFiMulti::~WiFiMulti()
{
APlistClean();
for(uint32_t i = 0; i < APlist.size(); i++) {
WifiAPlist_t entry = APlist[i];
if(entry.ssid) {
free(entry.ssid);
}
if(entry.passphrase) {
free(entry.passphrase);
}
}
APlist.clear();
}

bool WiFiMulti::addAP(const char* ssid, const char *passphrase)
{
return APlistAdd(ssid, passphrase);
WifiAPlist_t newAP;

if(!ssid || *ssid == 0x00 || strlen(ssid) > 31) {
// fail SSID too long or missing!
log_e("[WIFI][APlistAdd] no ssid or ssid too long");
return false;
}

if(passphrase && strlen(passphrase) > 63) {
// fail passphrase too long!
log_e("[WIFI][APlistAdd] passphrase too long");
return false;
}

newAP.ssid = strdup(ssid);

if(!newAP.ssid) {
log_e("[WIFI][APlistAdd] fail newAP.ssid == 0");
return false;
}

if(passphrase && *passphrase != 0x00) {
newAP.passphrase = strdup(passphrase);
if(!newAP.passphrase) {
log_e("[WIFI][APlistAdd] fail newAP.passphrase == 0");
free(newAP.ssid);
return false;
}
} else {
newAP.passphrase = NULL;
}

APlist.push_back(newAP);
log_i("[WIFI][APlistAdd] add SSID: %s", newAP.ssid);
return true;
}

uint8_t WiFiMulti::run(uint32_t connectTimeout)
{

int8_t scanResult;
uint8_t status = WiFi.status();
if(status == WL_CONNECTED) {
for(uint32_t x = 0; x < APlist.size(); x++) {
if(WiFi.SSID()==APlist[x].ssid){
if(WiFi.SSID()==APlist[x].ssid) {
return status;
}
}
Expand Down Expand Up @@ -119,7 +161,7 @@ uint8_t WiFiMulti::run(uint32_t connectTimeout)

WiFi.begin(bestNetwork.ssid, bestNetwork.passphrase, bestChannel, bestBSSID);
status = WiFi.status();

auto startTime = millis();
// wait for connection, fail, or timeout
while(status != WL_CONNECTED && status != WL_NO_SSID_AVAIL && status != WL_CONNECT_FAILED && (millis() - startTime) <= connectTimeout) {
Expand All @@ -128,17 +170,17 @@ uint8_t WiFiMulti::run(uint32_t connectTimeout)
}

switch(status) {
case 3:
case WL_CONNECTED:
log_i("[WIFI] Connecting done.");
log_d("[WIFI] SSID: %s", WiFi.SSID().c_str());
log_d("[WIFI] IP: %s", WiFi.localIP().toString().c_str());
log_d("[WIFI] MAC: %s", WiFi.BSSIDstr().c_str());
log_d("[WIFI] Channel: %d", WiFi.channel());
break;
case 1:
case WL_NO_SSID_AVAIL:
log_e("[WIFI] Connecting Failed AP not found.");
break;
case 4:
case WL_CONNECT_FAILED:
log_e("[WIFI] Connecting Failed.");
break;
default:
Expand All @@ -160,60 +202,3 @@ uint8_t WiFiMulti::run(uint32_t connectTimeout)

return status;
}

// ##################################################################################

bool WiFiMulti::APlistAdd(const char* ssid, const char *passphrase)
{

WifiAPlist_t newAP;

if(!ssid || *ssid == 0x00 || strlen(ssid) > 31) {
// fail SSID to long or missing!
log_e("[WIFI][APlistAdd] no ssid or ssid to long");
return false;
}

if(passphrase && strlen(passphrase) > 63) {
// fail passphrase to long!
log_e("[WIFI][APlistAdd] passphrase to long");
return false;
}

newAP.ssid = strdup(ssid);

if(!newAP.ssid) {
log_e("[WIFI][APlistAdd] fail newAP.ssid == 0");
return false;
}

if(passphrase && *passphrase != 0x00) {
newAP.passphrase = strdup(passphrase);
if(!newAP.passphrase) {
log_e("[WIFI][APlistAdd] fail newAP.passphrase == 0");
free(newAP.ssid);
return false;
}
} else {
newAP.passphrase = NULL;
}

APlist.push_back(newAP);
log_i("[WIFI][APlistAdd] add SSID: %s", newAP.ssid);
return true;
}

void WiFiMulti::APlistClean(void)
{
for(uint32_t i = 0; i < APlist.size(); i++) {
WifiAPlist_t entry = APlist[i];
if(entry.ssid) {
free(entry.ssid);
}
if(entry.passphrase) {
free(entry.passphrase);
}
}
APlist.clear();
}

3 changes: 0 additions & 3 deletions libraries/WiFi/src/WiFiMulti.h
Original file line number Diff line number Diff line change
Expand Up @@ -46,9 +46,6 @@ class WiFiMulti

private:
std::vector<WifiAPlist_t> APlist;
bool APlistAdd(const char* ssid, const char *passphrase = NULL);
void APlistClean(void);

};

#endif /* WIFICLIENTMULTI_H_ */