From 42098c03b4296e440e2825b7d41965da72a6f970 Mon Sep 17 00:00:00 2001
From: Pacien TRAN-GIRARD
Date: Wed, 11 May 2016 15:38:15 +0200
Subject: Implement action collection

---
 src/ch/epfl/xblast/server/Server.java | 43 +++++++++++++++++++++++++++++++----
 1 file changed, 39 insertions(+), 4 deletions(-)

(limited to 'src/ch/epfl')

diff --git a/src/ch/epfl/xblast/server/Server.java b/src/ch/epfl/xblast/server/Server.java
index 10d5a85..58f3c07 100644
--- a/src/ch/epfl/xblast/server/Server.java
+++ b/src/ch/epfl/xblast/server/Server.java
@@ -41,14 +41,27 @@ public class Server {
         }
     }
 
-    private static Optional<Map.Entry<SocketAddress, PlayerAction>> receiveAction(DatagramChannel chan, boolean block) {
+    private static Optional<Map.Entry<SocketAddress, Byte>> receiveByte(DatagramChannel chan, boolean block) {
         try {
             ByteBuffer buf = ByteBuffer.allocate(1);
             chan.configureBlocking(block);
             SocketAddress client = chan.receive(buf);
-            PlayerAction action = PlayerAction.fromByte(buf.get(0));
-            return Optional.of(new AbstractMap.SimpleImmutableEntry<>(client, action));
-        } catch (IOException | IllegalArgumentException e) {
+
+            if (Objects.isNull(client) || buf.position() == 0)
+                throw new IOException();
+
+            return Optional.of(new AbstractMap.SimpleImmutableEntry<>(client, buf.get(0)));
+        } catch (IOException e) {
+            return Optional.empty();
+        }
+    }
+
+    private static Optional<Map.Entry<SocketAddress, PlayerAction>> receiveAction(DatagramChannel chan, boolean block) {
+        try {
+            Map.Entry<SocketAddress, Byte> actionByte = receiveByte(chan, block).get();
+            PlayerAction playerAction = PlayerAction.fromByte(actionByte.getValue());
+            return Optional.of(new AbstractMap.SimpleImmutableEntry<>(actionByte.getKey(), playerAction));
+        } catch (NoSuchElementException | IllegalArgumentException e) {
             return Optional.empty();
         }
     }
@@ -63,6 +76,19 @@ public class Server {
         return action.get();
     }
 
+    private static Map<SocketAddress, PlayerAction> collectActions(DatagramChannel chan) {
+        Map<SocketAddress, PlayerAction> actions = new HashMap<>();
+        Optional<Map.Entry<SocketAddress, PlayerAction>> action;
+
+        while (true) {
+            action = receiveAction(chan, false);
+            if (!action.isPresent()) break;
+            actions.put(action.get().getKey(), action.get().getValue());
+        }
+
+        return Collections.unmodifiableMap(actions);
+    }
+
     private static SocketAddress acceptRegistration(DatagramChannel chan) {
         Map.Entry<SocketAddress, PlayerAction> clientAction;
 
@@ -100,6 +126,15 @@ public class Server {
         this.registeredClients = Lists.linearAdjustedMap(clients, Arrays.asList(PlayerID.values()));
 
         System.out.println(this.registeredClients);
+
+        try {
+            Thread.sleep(10000);
+        } catch (InterruptedException e) {
+            e.printStackTrace();
+        }
+
+        Map<SocketAddress, PlayerAction> actions = collectActions(chan);
+        System.out.println(actions);
     }
 
 }
-- 
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