Add basic request logging functionality (#178)

lib/Tunnel.js

@@ -70,13 +70,14 @@ Tunnel.prototype._init = function(cb) {
 Tunnel.prototype._establish = function(info) {
     var self = this;
     var opt = self._opt;
-    
+
     // increase max event listeners so that localtunnel consumers don't get
     // warning messages as soon as they setup even one listener. See #71
     self.setMaxListeners(info.max_conn + (EventEmitter.defaultMaxListeners || 10));
 
     info.local_host = opt.local_host;
     info.local_port = opt.port;
+    info.debug_logs = opt.debug_logs;
 
     var tunnels = self.tunnel_cluster = TunnelCluster(info);
 

lib/TunnelCluster.js

@@ -30,6 +30,8 @@ TunnelCluster.prototype.open = function() {
     var local_host = opt.local_host || 'localhost';
     var local_port = opt.local_port;
 
+    var debug_logs = opt.debug_logs;
+
     debug('establishing tunnel %s:%s <> %s:%s', local_host, local_port, remote_host, remote_port);
 
     // connection to localtunnel server
@@ -113,6 +115,19 @@ TunnelCluster.prototype.open = function() {
         });
     }
 
+    remote.on('data', function(data) {
+        if (debug_logs) {
+            var match = data.toString().match(/^(\w+) (\S+)/);
+            if (match) {
+                console.log(
+                    new Date().toString(),
+                    `method=${match[1]}`,
+                    `path=${match[2]}`
+                );
+            }
+        }
+    });
+
     // tunnel is considered open when remote connects
     remote.once('connect', function() {
         self.emit('open', remote);