Merge pull request #124 from square/jw/eviction

Add evictAll method to connection pool.

src/main/java/com/squareup/okhttp/ConnectionPool.java

@@ -241,4 +241,17 @@ public class ConnectionPool {
       }
     }
   }
+
+  /** Close and remove all connections in the pool. */
+  public void evictAll() {
+    List<Connection> connections;
+    synchronized (this) {
+      connections = new ArrayList<Connection>(this.connections);
+      this.connections.clear();
+    }
+
+    for (Connection connection : connections) {
+      Util.closeQuietly(connection);
+    }
+  }
 }

src/test/java/com/squareup/okhttp/ConnectionPoolTest.java

@@ -385,6 +385,18 @@ public final class ConnectionPoolTest {
     assertEquals(0, pool.getSpdyConnectionCount());
   }
 
+  @Test public void evictAllConnections() {
+    ConnectionPool pool = new ConnectionPool(10, KEEP_ALIVE_DURATION_MS);
+    pool.recycle(httpA);
+    Util.closeQuietly(httpA); // Include a closed connection in the pool.
+    pool.recycle(httpB);
+    pool.maybeShare(spdyA);
+    assertEquals(3, pool.getConnectionCount());
+
+    pool.evictAll();
+    assertEquals(0, pool.getConnectionCount());
+  }
+
   private void assertPooled(ConnectionPool pool, Connection... connections) throws Exception {
     assertEquals(Arrays.asList(connections), pool.getConnections());
   }