Split workers into dedicated files

[khatus.git] / bin / khatus_sensor_bluetooth_power

diff --git a/bin/khatus_sensor_bluetooth_power b/bin/khatus_sensor_bluetooth_power
new file mode 100755 (executable)
index 0000000..92c2128
--- /dev/null
+++ b/bin/khatus_sensor_bluetooth_power
@@ -0,0 +1,37 @@
+#! /bin/sh
+
+set -e
+
+echo -e 'show \n quit' \
+| bluetoothctl \
+| awk '
+    /^Controller / {
+        controller = $2;
+        controllers[++ctrl_count] = controller;
+    }
+    /^\t[A-Z][A-Za-z]+:/ {
+        key = $1;
+        sub(":$", "", key);
+        val = $2;
+        for (i=3; i<=NF; i++) {
+            val = val " " $i};
+            data[controller, key] = val;
+    }
+    END {
+        # Using the 1st seen controller. Should we select specific instead?
+        power_status = data[controllers[1], "Powered"];
+        if (ctrl_count > 0) {
+            if (power_status == "no") {
+                power_status = "off"
+            } else if (power_status == "yes") {
+                power_status = "on"
+            } else {
+                printf("Unexpected bluetooth power status: %s\n", power_status)\
+                    > "/dev/stderr";
+                power_status = "ERROR"
+            }
+        } else {
+            power_status = "off"  # TODO: Perhaps use differentiated marker?
+        }
+        printf("%s\n", power_status);
+    }'