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using System;
using System.Text;
using log4net;
using Apache.Qpid.Messaging;
namespace Apache.Qpid.Integration.Tests.interop.TestCases
{
/// <summary>
/// Implements test case 2, basic P2P. Sends/receives a specified number of messages to a specified route on the
/// default direct exchange. Produces reports on the actual number of messages sent/received.
///
/// <p><table id="crc"><caption>CRC Card</caption>
/// <tr><th> Responsibilities <th> Collaborations
/// <tr><td> Supply the name of the test case that this implements.
/// <tr><td> Accept/Reject invites based on test parameters.
/// <tr><td> Adapt to assigned roles.
/// <tr><td> Send required number of test messages.
/// <tr><td> Generate test reports.
/// </table>
/// </summary>
public class TestCase2BasicP2P : InteropClientTestCase
{
/// <summary> Used for debugging. </summary>
private static ILog log = LogManager.GetLogger(typeof(TestCase2BasicP2P));
/// <summary> Holds the count of test messages received. </summary>
private int messageCount;
/// <summary> The role to be played by the test. </summary>
private Roles role;
/// <summary> The number of test messages to send. </summary>
private int numMessages;
/// <summary> The routing key to send them to on the default direct exchange. </summary>
private string sendDestination;
/// <summary> The connection to send the test messages on. </summary>
private IConnection connection;
/// <summary> The session to send the test messages on. </summary>
private IChannel channel;
/// <summary> The producer to send the test messages with. </summary>
private IMessagePublisher publisher;
/// <summary>
/// Should provide the name of the test case that this class implements. The exact names are defined in the
/// interop testing spec.
/// </summary>
///
/// <returns> The name of the test case that this implements. </returns>
public String GetName()
{
log.Debug("public String GetName(): called");
return "TC2_BasicP2P";
}
/// <summary>
/// Determines whether the test invite that matched this test case is acceptable.
/// </summary>
///
/// <param name="inviteMessage"> The invitation to accept or reject. </param>
///
/// <returns> <tt>true</tt> to accept the invitation, <tt>false</tt> to reject it. </returns>
public bool AcceptInvite(IMessage inviteMessage)
{
log.Debug("public boolean AcceptInvite(Message inviteMessage = " + inviteMessage + "): called");
// All invites are acceptable.
return true;
}
/// <summary>
/// Assigns the role to be played by this test case. The test parameters are fully specified in the
/// assignment message. When this method return the test case will be ready to execute.
/// </summary>
///
/// <param name="role"> The role to be played; sender or receiver. </param>
/// <param name="assignRoleMessage"> The role assingment message, contains the full test parameters. </param>
public void AssignRole(Roles role, IMessage assignRoleMessage)
{
log.Debug("public void AssignRole(Roles role = " + role + ", Message assignRoleMessage = " + assignRoleMessage
+ "): called");
// Reset the message count for a new test.
messageCount = 0;
// Take note of the role to be played.
this.role = role;
// Create a new connection to pass the test messages on.
connection =
TestClient.CreateConnection(TestClient.brokerUrl, TestClient.virtualHost);
channel = connection.CreateChannel(false, AcknowledgeMode.AutoAcknowledge);
// Extract and retain the test parameters.
numMessages = assignRoleMessage.Headers.GetInt("P2P_NUM_MESSAGES");
string queueAndKeyName = assignRoleMessage.Headers.GetString("P2P_QUEUE_AND_KEY_NAME");
channel.DeclareQueue(queueAndKeyName, false, true, true);
channel.Bind(queueAndKeyName, ExchangeNameDefaults.DIRECT, queueAndKeyName);
sendDestination = queueAndKeyName;
log.Debug("numMessages = " + numMessages);
log.Debug("sendDestination = " + sendDestination);
log.Debug("role = " + role);
switch (role)
{
// Check if the sender role is being assigned, and set up a message producer if so.
case Roles.SENDER:
publisher = channel.CreatePublisherBuilder()
.WithExchangeName(ExchangeNameDefaults.DIRECT)
.WithRoutingKey(sendDestination)
.Create();
break;
// Otherwise the receiver role is being assigned, so set this up to listen for messages.
case Roles.RECEIVER:
IMessageConsumer consumer = channel.CreateConsumerBuilder(sendDestination).Create();
consumer.OnMessage += new MessageReceivedDelegate(OnMessage);
break;
}
connection.Start();
}
/// <summary> Performs the test case actions. </summary>
public void Start()
{
log.Debug("public void start(): called");
// Check that the sender role is being performed.
if (role == Roles.SENDER)
{
IMessage testMessage = channel.CreateTextMessage("test");
for (int i = 0; i < numMessages; i++)
{
publisher.Send(testMessage);
// Increment the message count.
messageCount++;
}
}
}
/// <summary>
/// Gets a report on the actions performed by the test case in its assigned role.
/// </summary>
///
/// <param name="session"> The session to create the report message in. </param>
///
/// <returns> The report message. </returns>
public IMessage GetReport(IChannel channel)
{
log.Debug("public Message GetReport(IChannel channel): called");
// Close the test connection.
//connection.Stop();
// Generate a report message containing the count of the number of messages passed.
IMessage report = channel.CreateMessage();
//report.Headers.SetString("CONTROL_TYPE", "REPORT");
report.Headers.SetInt("MESSAGE_COUNT", messageCount);
return report;
}
/// <summary>
/// Counts incoming test messages.
/// </summary>
///
/// <param name="message"> The incoming test message. </param>
public void OnMessage(IMessage message)
{
log.Debug("public void OnMessage(IMessage message = " + message + "): called");
// Increment the message count.
messageCount++;
}
}
}
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