DigitalInfinity/ESP32-PaxCounter
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wifisniffer.cpp: code improvements

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This commit is contained in:
Klaus K Wilting 2018-03-30 20:41:08 +02:00
parent 4e0cae7ec3
commit 875ad77967
6 changed files with 20 additions and 19 deletions
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4
platformio.ini
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@ -10,9 +10,9 @@
; ---> SELECT TARGET PLATFORM HERE! <---
[platformio]
env_default = heltec_wifi_lora_32
;env_default = heltec_wifi_lora_32
;env_default = ttgov1
;env_default = ttgov2
env_default = ttgov2
;env_default = lopy
;env_default = lopy4
;env_default = lolin32lite_lora

3
src/globals.h
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@ -35,7 +35,8 @@ extern uint64_t uptimecounter;
extern osjob_t sendjob;
extern int macnum, blenum, countermode, screensaver, adrmode, lorasf, txpower, rlim;
extern bool joinstate;
extern std::set<uint64_t, std::greater <uint64_t> > macs;
//extern std::set<uint64_t, std::greater <uint64_t> > macs;
extern std::set<uint64_t> macs;
#ifdef HAS_DISPLAY
extern HAS_DISPLAY u8x8;

5
src/main.cpp
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@ -49,7 +49,7 @@ int macnum = 0, blenum = 0;
uint64_t uptimecounter = 0;
bool joinstate = false;
std::set<uint64_t, std::greater <uint64_t> > macs; // storage holds MAC frames
std::set<uint64_t> macs; // storage holds MAC frames
// this variable will be changed in the ISR, and read in main loop
static volatile bool ButtonTriggered = false;
@ -221,7 +221,8 @@ void wifi_sniffer_loop(void * pvParameters) {
// clear counter if not in cumulative counter mode
if (cfg.countermode != 1) {
macs.erase(macs.begin(), macs.end()); // clear RAM
//macs.erase(macs.begin(), macs.end()); // clear RAM
macs.clear(); // clear macs container
macnum = 0;
u8x8.clearLine(0); u8x8.clearLine(1); // clear Display counter
}

2
src/main.h
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@ -1,5 +1,5 @@
// program version
#define PROGVERSION "1.2.5" // use max 10 chars here!
#define PROGVERSION "1.2.51" // use max 10 chars here!
#define PROGNAME "PAXCNT"
// Verbose enables serial output

3
src/rcommand.cpp
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@ -67,7 +67,8 @@ void set_reset(int val) {
break;
case 1: // reset MAC counter
ESP_LOGI(TAG, "Remote command: reset MAC counter");
macs.erase(macs.begin(), macs.end()); // clear RAM
//macs.erase(macs.begin(), macs.end()); // clear RAM
macs.clear(); // clear macs container
macnum = 0;
u8x8.clearLine(0); u8x8.clearLine(1); // clear Display counter
u8x8.clearLine(5);

14
src/wifisniffer.cpp
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@ -38,13 +38,11 @@ extern void wifi_sniffer_packet_handler(void *buff, wifi_promiscuous_pkt_type_t
void wifi_sniffer_init(void) {
wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
cfg.nvs_enable = 0; // we don't want wifi settings from NVRAM
wifi_promiscuous_filter_t filter = {.filter_mask = WIFI_PROMIS_FILTER_MASK_MGMT}; // we need only MGMT frames
ESP_ERROR_CHECK(esp_wifi_init(&cfg));
ESP_ERROR_CHECK(esp_wifi_set_country(&wifi_country));
ESP_ERROR_CHECK(esp_wifi_set_storage(WIFI_STORAGE_RAM) );
ESP_ERROR_CHECK(esp_wifi_set_mode(WIFI_MODE_NULL) );
//ESP_ERROR_CHECK(esp_wifi_start()); // not sure if we need this in this application?
//ESP_ERROR_CHECK(esp_wifi_set_max_tx_power(-128)); // we don't need to TX, so we use lowest power level to save energy
wifi_promiscuous_filter_t filter = {.filter_mask = WIFI_PROMIS_FILTER_MASK_MGMT}; // we need only MGMT frames
ESP_ERROR_CHECK(esp_wifi_set_promiscuous_filter(&filter)); // set MAC frame filter
ESP_ERROR_CHECK(esp_wifi_set_promiscuous_rx_cb(&wifi_sniffer_packet_handler));
ESP_ERROR_CHECK(esp_wifi_set_promiscuous(true));
@ -59,6 +57,7 @@ void wifi_sniffer_packet_handler(void* buff, wifi_promiscuous_pkt_type_t type) {
const wifi_ieee80211_packet_t *ipkt = (wifi_ieee80211_packet_t *)ppkt->payload;
const wifi_ieee80211_mac_hdr_t *hdr = &ipkt->hdr;
char counter [10];
std::pair<std::set<uint64_t>::iterator, bool> newmac;
if (( cfg.rssilimit == 0 ) || (ppkt->rx_ctrl.rssi > cfg.rssilimit )) { // rssi is negative value
uint64_t addr2int = ( (uint64_t)hdr->addr2[0] ) | ( (uint64_t)hdr->addr2[1] << 8 ) | ( (uint64_t)hdr->addr2[2] << 16 ) | \
@ -69,20 +68,19 @@ void wifi_sniffer_packet_handler(void* buff, wifi_promiscuous_pkt_type_t type) {
if ( std::find(vendors.begin(), vendors.end(), vendor2int) != vendors.end() ) {
#endif
macs.insert(addr2int);
// INFO: RSSI when adding MAC
// INFO: RSSI when found MAC in range
ESP_LOGI(TAG, "WiFi RSSI: %02d", ppkt->rx_ctrl.rssi);
// if new unique MAC logged increment counter on display
if ( macs.size() > macnum ) {
macnum = macs.size();
newmac = macs.insert(addr2int);
if (newmac.second) {
macnum++;
itoa(macnum, counter, 10);
u8x8.draw2x2String(0, 0, counter);
ESP_LOGI(TAG, "MAC counter: %4i", macnum);
}
#ifdef VENDORFILTER
}
#endif