From 3ee620b8b668b3299f8dc9db8fc72c926d81dc14 Mon Sep 17 00:00:00 2001
From: Jim Ramsay <i.am@jimramsay.com>
Date: Fri, 11 Nov 2022 01:43:02 -0500
Subject: [PATCH] Add example event-watcher script

Signed-off-by: Jim Ramsay <i.am@jimramsay.com>
---
 examples/event-watcher | 16 ++++++++++++++++
 src/ctl-client.c       |  2 +-
 wayvncctl.scd          | 19 +++++++++++++++++++
 3 files changed, 36 insertions(+), 1 deletion(-)
 create mode 100755 examples/event-watcher

diff --git a/examples/event-watcher b/examples/event-watcher
new file mode 100755
index 0000000..a31b06b
--- /dev/null
+++ b/examples/event-watcher
@@ -0,0 +1,16 @@
+#!/bin/bash
+
+WAYVNCCTL=${WAYVNCCTL:-wayvncctl}
+
+connection_count_now() {
+    echo "Total clients: $count"
+}
+
+while IFS= read -r EVT; do
+    case "$(jq -r '.method' <<<"$EVT")" in
+        client-*onnected)
+            count=$(jq -r '.params.connection_count' <<<"$EVT")
+            connection_count_now "$count"
+            ;;
+    esac
+done < <("$WAYVNCCTL" --json event-receive)
diff --git a/src/ctl-client.c b/src/ctl-client.c
index b6e01e9..20dde6c 100644
--- a/src/ctl-client.c
+++ b/src/ctl-client.c
@@ -47,7 +47,7 @@ struct ctl_client {
 
 	char read_buffer[512];
 	size_t read_len;
-	
+
 	bool wait_for_events;
 
 	int fd;
diff --git a/wayvncctl.scd b/wayvncctl.scd
index f7c4458..4501d74 100644
--- a/wayvncctl.scd
+++ b/wayvncctl.scd
@@ -122,6 +122,25 @@ $ wayvncctl --json version
 {"wayvnc":"v0.5.0","neatvnc":"v0.5.1","aml":"v0.2.2"}
 ```
 
+A script that takes an action for each client connect and disconnect event:
+
+```
+#!/bin/bash
+
+connection_count_now() {
+    echo "Total clients: $count"
+}
+
+while IFS= read -r EVT; do
+    case "$(jq -r '.method' <<<"$EVT")" in
+        client-*onnected)
+            count=$(jq -r '.params.connection_count' <<<"$EVT")
+            connection_count_now "$count"
+            ;;
+    esac
+done < <(wayvncctl --json event-receive)
+```
+
 # ENVIRONMENT
 
 The following environment variables have an effect on wayvncctl: