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#include "wifi.h"
#include "common/processing.h"
#include "common/properties.h"
#define FF_TERMUX_API_PATH FASTFETCH_TARGET_DIR_ROOT "/libexec/termux-api"
#define FF_TERMUX_API_PARAM "WifiConnectionInfo"
static inline void wrapYyjsonFree(yyjson_doc** doc) {
assert(doc);
if (*doc) {
yyjson_doc_free(*doc);
}
}
const char* ffDetectWifi(FFlist* result) {
FF_STRBUF_AUTO_DESTROY buffer = ffStrbufCreate();
if (ffProcessAppendStdOut(&buffer, (char* const[]) { FF_TERMUX_API_PATH, FF_TERMUX_API_PARAM, NULL })) {
return "Starting `" FF_TERMUX_API_PATH " " FF_TERMUX_API_PARAM "` failed";
}
yyjson_doc* FF_A_CLEANUP(wrapYyjsonFree) doc = yyjson_read_opts(buffer.chars, buffer.length, 0, NULL, NULL);
if (!doc) {
return "Failed to parse wifi connection info";
}
yyjson_val* root = yyjson_doc_get_root(doc);
if (!yyjson_is_obj(root)) {
return "Wifi info result is not a JSON object";
}
FFWifiResult* item = FF_LIST_ADD(FFWifiResult, *result);
ffStrbufInit(&item->inf.description);
ffStrbufInit(&item->inf.status);
ffStrbufInit(&item->conn.status);
ffStrbufInit(&item->conn.ssid);
ffStrbufInit(&item->conn.bssid);
ffStrbufInit(&item->conn.protocol);
ffStrbufInit(&item->conn.security);
item->conn.signalQuality = -DBL_MAX;
item->conn.rxRate = -DBL_MAX;
item->conn.txRate = -DBL_MAX;
item->conn.channel = 0;
item->conn.frequency = 0;
ffStrbufAppendJsonVal(&item->inf.status, yyjson_obj_get(root, "supplicant_state"));
if (!item->inf.status.length) {
ffStrbufAppendS(&item->inf.status, "Unknown");
return NULL;
}
if (!ffStrbufEqualS(&item->inf.status, "COMPLETED")) {
return NULL;
}
double rssi = yyjson_get_num(yyjson_obj_get(root, "rssi"));
item->conn.signalQuality = rssi >= -50 ? 100 : rssi <= -100 ? 0
: (rssi + 100) * 2;
ffStrbufAppendJsonVal(&item->inf.description, yyjson_obj_get(root, "ip"));
ffStrbufAppendJsonVal(&item->conn.bssid, yyjson_obj_get(root, "bssid"));
ffStrbufAppendJsonVal(&item->conn.ssid, yyjson_obj_get(root, "ssid"));
item->conn.frequency = (uint16_t) yyjson_get_int(yyjson_obj_get(root, "frequency_mhz"));
item->conn.txRate = yyjson_get_num(yyjson_obj_get(root, "link_speed_mbps"));
item->conn.channel = ffWifiFreqToChannel(item->conn.frequency);
return NULL;
}
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