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Wifi (Linux): support signal quality detection with ioctl

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Also don't show 802.11 as protocol
This commit is contained in:
李通洲 2023-08-07 08:40:51 +00:00
parent 6071c1b09d
commit cebc5cd77a
1 changed files with 12 additions and 7 deletions
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19
src/detection/wifi/wifi_linux.c
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@ -249,7 +249,7 @@ static const char* detectWifiWithIoctls(FFlist* result)
if(!ffAppendFileBuffer(path.chars, &item->inf.status) || !ffStrbufEqualS(&item->inf.status, "up"))
continue;
int sock = socket(AF_INET, SOCK_DGRAM | SOCK_CLOEXEC, 0);
FF_AUTO_CLOSE_FD int sock = socket(AF_INET, SOCK_DGRAM | SOCK_CLOEXEC, 0);
if(sock < 0)
continue;
@ -262,7 +262,7 @@ static const char* detectWifiWithIoctls(FFlist* result)
if(ioctl(sock, SIOCGIWESSID, &iwr) >= 0)
ffStrbufRecalculateLength(&item->conn.ssid);
if(ioctl(sock, SIOCGIWNAME, &iwr) >= 0)
if(ioctl(sock, SIOCGIWNAME, &iwr) >= 0 && !ffStrEqualsIgnCase(iwr.u.name, "IEEE 802.11"))
{
if(ffStrStartsWithIgnCase(iwr.u.name, "IEEE "))
ffStrbufSetS(&item->conn.protocol, iwr.u.name + strlen("IEEE "));
@ -277,9 +277,16 @@ static const char* detectWifiWithIoctls(FFlist* result)
ffStrbufTrimRight(&item->conn.macAddress, '-');
}
//FIXME: doesn't work
if(ioctl(sock, SIOCGIWSPY, &iwr) >= 0)
item->conn.signalQuality = iwr.u.qual.level;
struct iw_statistics stats;
iwr.u.data.pointer = &stats;
iwr.u.data.length = sizeof(stats);
iwr.u.data.flags = 0;
if(ioctl(sock, SIOCGIWSTATS, &iwr) >= 0)
{
int8_t level = (int8_t) stats.qual.level; // https://stackoverflow.com/questions/18079771/wireless-h-how-do-i-print-out-the-signal-level
item->conn.signalQuality = level >= -50 ? 100 : level <= -100 ? 0 : (level + 100) * 2;
}
//FIXME: doesn't work
struct iw_encode_ext iwe;
@ -311,8 +318,6 @@ static const char* detectWifiWithIoctls(FFlist* result)
break;
}
}
close(sock);
}
if_freenameindex(infs);