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Stop cgiWifi from sending bad JSON when it sees >33-ish access points.

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This commit is contained in:
Jeroen Domburg
2015-05-08 17:30:37 +08:00
parent 4a8d318d85
commit a016a27c0e
1 changed files with 26 additions and 13 deletions
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user/cgiwifi.c
+26 -13
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@@ -107,9 +107,31 @@ static void ICACHE_FLASH_ATTR wifiStartScan() {
//scan for access points and if available will return the result of an earlier scan.
//The result is embedded in a bit of JSON parsed by the javascript in wifi.tpl.
int ICACHE_FLASH_ATTR cgiWiFiScan(HttpdConnData *connData) {
int pos=(int)connData->cgiData;
int len;
int i;
char buff[1024];
if (!cgiWifiAps.scanInProgress && pos!=0) {
//Fill in json code for an access point
if (pos-1<cgiWifiAps.noAps) {
len=os_sprintf(buff, "{\"essid\": \"%s\", \"rssi\": \"%d\", \"enc\": \"%d\"}%s\n",
cgiWifiAps.apData[pos-1]->ssid, cgiWifiAps.apData[pos-1]->rssi,
cgiWifiAps.apData[pos-1]->enc, (pos-1==cgiWifiAps.noAps-1)?"":",");
httpdSend(connData, buff, len);
}
pos++;
if ((pos-1)>=cgiWifiAps.noAps) {
len=os_sprintf(buff, "]\n}\n}\n");
httpdSend(connData, buff, len);
//Also start a new scan.
wifiStartScan();
return HTTPD_CGI_DONE;
} else {
connData->cgiData=(void*)pos;
return HTTPD_CGI_MORE;
}
}
httpdStartResponse(connData, 200);
httpdHeader(connData, "Content-Type", "text/json");
httpdEndHeaders(connData);
@@ -118,24 +140,15 @@ int ICACHE_FLASH_ATTR cgiWiFiScan(HttpdConnData *connData) {
//We're still scanning. Tell Javascript code that.
len=os_sprintf(buff, "{\n \"result\": { \n\"inProgress\": \"1\"\n }\n}\n");
httpdSend(connData, buff, len);
return HTTPD_CGI_DONE;
} else {
//We have a scan result. Pass it on.
len=os_sprintf(buff, "{\n \"result\": { \n\"inProgress\": \"0\", \n\"APs\": [\n");
httpdSend(connData, buff, len);
if (cgiWifiAps.apData==NULL) cgiWifiAps.noAps=0;
for (i=0; i<cgiWifiAps.noAps; i++) {
//Fill in json code for an access point
len=os_sprintf(buff, "{\"essid\": \"%s\", \"rssi\": \"%d\", \"enc\": \"%d\"}%s\n",
cgiWifiAps.apData[i]->ssid, cgiWifiAps.apData[i]->rssi,
cgiWifiAps.apData[i]->enc, (i==cgiWifiAps.noAps-1)?"":",");
httpdSend(connData, buff, len);
}
len=os_sprintf(buff, "]\n}\n}\n");
httpdSend(connData, buff, len);
//Also start a new scan.
wifiStartScan();
connData->cgiData=(void *)1;
return HTTPD_CGI_MORE;
}
return HTTPD_CGI_DONE;
}
//Temp store for new ap info.