Separate v2 and v3 into dedicated directories

[khatus.git] / v2 / src / awk / exe / parse_udevadm_monitor_block.awk

diff --git a/v2/src/awk/exe/parse_udevadm_monitor_block.awk b/v2/src/awk/exe/parse_udevadm_monitor_block.awk
new file mode 100644 (file)
index 0000000..6e6326e
--- /dev/null
+++ b/v2/src/awk/exe/parse_udevadm_monitor_block.awk
@@ -0,0 +1,38 @@
+BEGIN {
+    Re_Begin = "^UDEV + \[ *[0-9]+\.[0-9]+\] +"
+}
+
+($0 ~ Re_Begin) {
+    handle_event($0)
+    next
+}
+
+function handle_event(payload,    payload_parts, event,
+                                  path, n_path_parts,
+                                  devname \
+) {
+    sub(Re_Begin, "", payload)
+    split(payload, payload_parts, " +")
+    event = payload_parts[1]
+    path = payload_parts[2]
+    if (event == "add" || event == "change") {
+        devname = devname_lookup(path)
+    } else {
+        n_path_parts = split(path, path_parts, "/")
+        devname = path_parts[n_path_parts]
+    }
+    print(event, devname)
+}
+
+function devname_lookup(path,    cmd, line_parts, devname) {
+    cmd = "udevadm info --path=" path
+    while (cmd | getline line) {
+        if (line ~ /^E: +DEVNAME/) {
+            split(line, line_parts, "=")
+            devname = line_parts[2]
+            break
+        }
+    }
+    close(cmd)
+    return devname
+}