Event socket bug fix and more docs (#6823)

* Add documentation to methods. Use is_resource for added type detection

* Allow connect to specify timeout in microseconds with default 30,000

* Update calling mechanism for event sockets

* Update project for new singleton event sockets

* remove unused variable

* catch errors on closing the socket

app/call_flows/call_flow_edit.php

@@ -257,8 +257,8 @@
 
 		// Update subscribed endpoints
 		if (!empty($call_flow_feature_code)) {
-			$fp = event_socket_create();
-			if ($fp) {
+			$esl = event_socket::create();
+			if ($esl->is_connected()) {
 				//send the event
 				$event = "sendevent PRESENCE_IN\n";
 				$event .= "proto: flow\n";
@@ -274,8 +274,7 @@
 				} else {
 					$event .= "answer-state: terminated\n";
 				}
-				event_socket_request($fp, $event);
-				fclose($fp);
+				event_socket::command($event);
 			}
 		}
 

app/call_flows/resources/classes/call_flows.php

@@ -281,8 +281,7 @@ if (!class_exists('call_flows')) {
 									}
 
 									//send the event
-									$fp = event_socket_create();
-									$switch_result = event_socket_request($fp, $cmd);
+									$switch_result = event_socket::command($cmd);
 								}
 							}
 							unset($call_flows);