Add new "quality" tag to "network" module

CHANGELOG.md

@@ -17,6 +17,7 @@
 * battery: current smoothing, for improved discharge estimates.
 * battery: scale option, for batteries that report 'charge' at a
   different scale than 'current'.
+* network: new `quality` tag (Wi-Fi only).
 
 
 ### Changed

doc/yambar-modules-network.5.scd

@@ -45,6 +45,9 @@ address.
 |  signal
 :  int
 :  Signal strength, in dBm (Wi-Fi only)
+|  quality
+:  range
+:  Quality of the signal, in percent (Wi-Fi only)
 |  rx-bitrate
 :  int
 :  RX bitrate, in bits/s
@@ -72,7 +75,7 @@ address.
 |  poll-interval
 :  int
 :  no
-:  Periodically (in milliseconds) update the signal, rx+tx bitrate, and
+:  Periodically (in milliseconds) update the signal, quality, rx+tx bitrate, and
    ul+dl speed tags (default=0). Setting it to 0 disables updates. Cannot be less
    than 250ms.
 

modules/network.c

@@ -154,6 +154,16 @@ content(struct module *mod)
                 inet_ntop(AF_INET6, &it->item.addr.ipv6, ipv6_str, sizeof(ipv6_str));
     }
 
+    int quality = 0;
+    if (m->signal_strength_dbm != 0) {
+        if (m->signal_strength_dbm <= -100)
+            quality = 0;
+        else if (m->signal_strength_dbm >= -50)
+            quality = 100;
+        else
+            quality = 2 * (m->signal_strength_dbm + 100);
+    }
+
     struct tag_set tags = {
         .tags = (struct tag *[]){
             tag_new_string(mod, "name", m->iface),
@@ -165,12 +175,13 @@ content(struct module *mod)
             tag_new_string(mod, "ipv6", ipv6_str),
             tag_new_string(mod, "ssid", m->ssid),
             tag_new_int(mod, "signal", m->signal_strength_dbm),
+            tag_new_int_range(mod, "quality", quality, 0, 100),
             tag_new_int(mod, "rx-bitrate", m->rx_bitrate),
             tag_new_int(mod, "tx-bitrate", m->tx_bitrate),
             tag_new_float(mod, "dl-speed", m->dl_speed),
             tag_new_float(mod, "ul-speed", m->ul_speed),
         },
-        .count = 13,
+        .count = 14,
     };
 
     mtx_unlock(&mod->lock);