Java IHAListener.transitionToMaster方法代码示例

import net.floodlightcontroller.core.IHAListener; //导入方法依赖的package包/类
@Override
public void dispatch() {
    if (log.isDebugEnabled()) {
        log.debug("Dispatching HA Role update newRole = {}",
                  newRole);
    }
    for (IHAListener listener : haListeners.getOrderedListeners()) {
        if (log.isTraceEnabled()) {
            log.trace("Calling HAListener {} with transitionToMaster",
                      listener.getName());
        }
        listener.transitionToMaster();
    }
    if (newRole != Role.SLAVE) {
        Controller.this.notifiedRole = newRole;
    }
}
 

import net.floodlightcontroller.core.IHAListener; //导入方法依赖的package包/类
/**
 * Start as SLAVE then set role to MASTER
 * Tests normal role change transition. Check that connected channels
 * receive a setRole request
 */
@Test
public void testSetRole() throws Exception {
    doSetUp(Role.SLAVE);
    RoleInfo info = controller.getRoleInfo();
    assertEquals(Role.SLAVE.toString(), info.getRole());
    assertEquals(Role.SLAVE, controller.getRole());


    OFChannelHandler h = createMock(OFChannelHandler.class);

    // Add the channel handler. The controller should call sendRoleRequest
    h.sendRoleRequest(Role.SLAVE);
    expectLastCall().once();
    replay(h);
    controller.addSwitchChannelAndSendInitialRole(h);
    verify(h);

    // Reassert the role.
    reset(h);
    h.sendRoleRequestIfNotPending(Role.SLAVE);
    replay(h);
    controller.reassertRole(h, Role.SLAVE);
    verify(h);

    // reassert a different role: no-op
    reset(h);
    replay(h);
    controller.reassertRole(h, Role.MASTER);
    verify(h);

    // Change role to MASTER
    reset(h);
    h.sendRoleRequest(Role.MASTER);
    expectLastCall().once();
    IHAListener listener = createMock(IHAListener.class);
    expect(listener.getName()).andReturn("foo").anyTimes();
    setupListenerOrdering(listener);
    listener.transitionToMaster();
    expectLastCall().once();
    replay(listener);
    replay(h);
    controller.addHAListener(listener);
    controller.setRole(Role.MASTER, "FooBar");
    controller.processUpdateQueueForTesting();
    verify(h);
    verify(listener);
    info = controller.getRoleInfo();
    assertEquals(Role.MASTER.toString(), info.getRole());
    assertEquals("FooBar", info.getRoleChangeDescription());
    assertEquals(Role.MASTER, controller.getRole());


}
 

import net.floodlightcontroller.core.IHAListener; //导入方法依赖的package包/类
/** Test other setRole cases: re-setting role to the current role,
 * setting role to equal, etc.
 */
@Test
public void testSetRoleOthercases() throws Exception {
    doSetUp(Role.SLAVE);

    OFChannelHandler h = createMock(OFChannelHandler.class);

    // Add the channel handler. The controller should call sendRoleRequest
    h.sendRoleRequest(Role.SLAVE);
    expectLastCall().once();
    replay(h);
    controller.addSwitchChannelAndSendInitialRole(h);
    verify(h);

    // remove the channel. Nothing should
    reset(h);
    replay(h);
    controller.removeSwitchChannel(h);

    // Create and add the HA listener
    IHAListener listener = createMock(IHAListener.class);
    expect(listener.getName()).andReturn("foo").anyTimes();
    setupListenerOrdering(listener);
    replay(listener);
    controller.addHAListener(listener);

    // Set role to slave again. Nothing should happen
    controller.setRole(Role.SLAVE, "FooBar");
    controller.processUpdateQueueForTesting();
    verify(listener);

    reset(listener);
    listener.transitionToMaster();
    expectLastCall().once();
    replay(listener);

    // set role to equal. Should set to master internally
    controller.setRole(Role.EQUAL, "ToEqual");
    controller.processUpdateQueueForTesting();
    verify(listener);
    RoleInfo info = controller.getRoleInfo();
    assertEquals(Role.MASTER.toString(), info.getRole());
    assertEquals("ToEqual", info.getRoleChangeDescription());
    assertEquals(Role.MASTER, controller.getRole());


    verify(h); // no calls should have happened on h
}
 

import net.floodlightcontroller.core.IHAListener; //导入方法依赖的package包/类
/**
 * Dispatches a new role change notification
 * @param oldRole
 * @param newRole
 */
public void transitionToMaster() {
    for (IHAListener rl : haListeners.getOrderedListeners()) {
        rl.transitionToMaster();
    }
}