implement peers event

Author: reklatsmasters

lib/client/http-tracker.js

@@ -150,14 +150,21 @@ HTTPTracker.prototype._onAnnounceResponse = function (data) {
     } catch (err) {
       return self.client.emit('warning', err)
     }
-    addrs.forEach(function (addr) {
-      self.client.emit('peer', addr)
-    })
+    
+    if (addrs.length) {
+      self.client.emit('peers', addrs)
+    }
+
   } else if (Array.isArray(data.peers)) {
     // tracker returned normal response
-    data.peers.forEach(function (peer) {
-      self.client.emit('peer', peer.ip + ':' + peer.port)
+    addrs = data.peers.map(function (peer) {
+      // self.client.emit('peer', peer.ip + ':' + peer.port)
+      return peer.ip + ':' + peer.port;
     })
+    
+    if (addrs.length) {
+      self.client.emit('peers', addrs)
+    }
   }
 }
 

lib/client/udp-tracker.js

@@ -134,9 +134,11 @@ UDPTracker.prototype._request = function (opts) {
         } catch (err) {
           return self.client.emit('warning', err)
         }
-        addrs.forEach(function (addr) {
-          self.client.emit('peer', addr)
-        })
+        
+        if (addrs.length) {
+          self.client.emit('peers', addrs);
+        }
+        
         break
 
       case 2: // scrape