Working version of the async pub/sub notifier for callbacks

proxy_docker/app/script/notify.sh

@@ -0,0 +1,36 @@
+#!/bin/sh
+
+. ./trace.sh
+
+notify_web() {
+  trace "Entering notify_web()..."
+
+  local url=${1}
+
+  # Let's encode the body to base64 so we won't have to escape the special chars...
+  local body=$(echo "${2}" | base64 | tr -d '\n')
+
+  local returncode
+  local response
+  local http_code
+
+  trace "[notify_web] mosquitto_rr -h broker -W 5 -t notifier -e \"response/$$\" -m \"{\"response-topic\":\"response/$$\",\"cmd\":\"web\",\"url\":\"${url}\",\"body\":\"${body}\"}\""
+  response=$(mosquitto_rr -h broker -W 5 -t notifier -e "response/$$" -m "{\"response-topic\":\"response/$$\",\"cmd\":\"web\",\"url\":\"${url}\",\"body\":\"${body}\"}")
+  returncode=$?
+  trace_rc ${returncode}
+
+  trace "[notify_web] response=${response}"
+  http_code=$(echo "${response}" | jq ".http_code" | tr -d '"')
+  trace "[notify_web] http_code=${http_code}"
+
+  if [ "${returncode}" -eq "0" ]; then
+    if [ "${http_code}" -lt "400" ]; then
+      return 0
+    else
+      return ${http_code}
+    fi
+  else
+    return ${returncode}
+  fi
+
+}