add monitor api

2023-03-04 19:17:16 +00:00 · 2012-07-30 22:07:45 +08:00
parent 5aabf6b5cb
commit 28aa217370
2 changed files with 104 additions and 0 deletions
@@ -0,0 +1,58 @@
+package com.alibaba.druid;
+
+import java.sql.Connection;
+import java.util.concurrent.CountDownLatch;
+
+import junit.framework.TestCase;
+
+import org.apache.commons.dbcp.BasicDataSource;
+
+import com.alibaba.druid.mock.MockDriver;
+import com.alibaba.druid.pool.DruidDataSource;
+
+public class DBCPTest extends TestCase {
+
+    public void test_max() throws Exception {
+        Class.forName("com.alibaba.druid.mock.MockDriver");
+        
+        final BasicDataSource dataSource = new BasicDataSource();
+//        final DruidDataSource dataSource = new DruidDataSource();
+        dataSource.setInitialSize(3);
+        dataSource.setMaxActive(20);
+        dataSource.setMaxIdle(20);
+        dataSource.setDriverClassName("com.alibaba.druid.mock.MockDriver");
+        dataSource.setUrl("jdbc:mock:xxx");
+
+        final int THREAD_COUNT = 200;
+        final CountDownLatch endLatch = new CountDownLatch(THREAD_COUNT);
+        final CountDownLatch startLatch = new CountDownLatch(1);
+        Thread[] threads = new Thread[THREAD_COUNT];
+        for (int i = 0; i < THREAD_COUNT; ++i) {
+            threads[i] = new Thread() {
+
+                public void run() {
+                    try {
+                        startLatch.await();
+                        for (int i = 0; i < 1000; ++i) {
+                            Connection conn = dataSource.getConnection();
+                            Thread.sleep(1);
+                            conn.close();
+                        }
+                    } catch (Exception e) {
+                    } finally {
+                        endLatch.countDown();
+                    }
+                }
+            };
+            threads[i].start();
+        }
+        
+        startLatch.countDown();
+        
+        endLatch.await();
+        
+//        System.out.println(dataSource.getNumIdle());
+        System.out.println(MockDriver.instance.getConnections().size());
+        System.out.println(MockDriver.instance.getConnectionCloseCount());
+    }
+}