/**
* Constructor to set up connection parameters using the {@link DeviceClientConfig}.
*
* @param config The {@link DeviceClientConfig} corresponding to the device associated with this
* {@link com.microsoft.azure.iothub.DeviceClient}.
*/
public AmqpsIotHubConnection(DeviceClientConfig config) {
// Codes_SRS_AMQPSIOTHUBCONNECTION_14_002: [The constructor shall throw a new
// IllegalArgumentException if any of the parameters of the configuration is null or empty.]
if (config == null) {
throw new IllegalArgumentException("The DeviceClientConfig cannot be null.");
}
if (config.getIotHubHostname() == null || config.getIotHubHostname().length() == 0) {
throw new IllegalArgumentException("hostName cannot be null or empty.");
}
if (config.getDeviceId() == null || config.getDeviceId().length() == 0) {
throw new IllegalArgumentException("deviceID cannot be null or empty.");
}
if (config.getIotHubName() == null || config.getIotHubName().length() == 0) {
throw new IllegalArgumentException("hubName cannot be null or empty.");
}
if (config.getDeviceKey() == null || config.getDeviceKey().length() == 0) {
throw new IllegalArgumentException("deviceKey cannot be null or empty.");
}
// Codes_SRS_AMQPSIOTHUBCONNECTION_14_001: [The constructor shall save the configuration.]
this.config = config;
String iotHubHostname = this.config.getIotHubHostname();
String iotHubName = this.config.getIotHubName();
String deviceId = this.config.getDeviceId();
String iotHubUser = deviceId + "@sas." + iotHubName;
// Codes_SRS_AMQPSIOTHUBCONNECTION_14_003: [The constructor shall create a new SAS token and
// copy all input parameters to private member variables.]
IotHubSasToken sasToken = new IotHubSasToken(this.config);
// Codes_SRS_AMQPSIOTHUBCONNECTION_14_006: [The constructor shall initialize a new private map
// for messages that are in progress.]
// Codes_SRS_AMQPSIOTHUBCONNECTION_14_007: [The constructor shall initialize new private Futures
// for the status of the Connection and Reactor.]
this.hostName = iotHubHostname;
this.userName = iotHubUser;
this.deviceID = deviceId;
this.sasToken = sasToken.toString();
// Codes_SRS_AMQPSIOTHUBCONNECTION_14_004: [The constructor shall set it’s state to CLOSED.]
this.state = ReactorState.CLOSED;
// Codes_SRS_AMQPSIOTHUBCONNECTION_14_005: [The constructor shall initialize a new private queue
// for received messages.]
// Codes_SRS_AMQPSIOTHUBCONNECTION_14_006: [The constructor shall initialize a new private map
// for messages that are in progress.]
receivedMessageQueue = new LinkedBlockingQueue<>();
inProgressMessageMap = new HashMap<>();
this.maxQueueSize = -1;
// Codes_SRS_AMQPSIOTHUBCONNECTION_14_007: [The constructor shall initialize new private Futures
// for the status of the Connection and Reactor.]
completionStatus = new CompletableFuture<>();
reactorReady = new CompletableFuture<>();
}
/**
* Opens the {@link AmqpsIotHubConnection} creating a new {@link
* AmqpsIotHubConnectionBaseHandler}.
*
* <p>If the current {@link AmqpsIotHubConnection.ReactorState} is not OPEN, this method will
* create a new {@link IotHubSasToken} and use it to create a new {@link
* AmqpsIotHubConnectionBaseHandler}. This method will start the {@link Reactor}, set the current
* {@link AmqpsIotHubConnection.ReactorState} to OPEN, and open the {@link AmqpsIotHubConnection}
* for sending.
*
* @throws IOException if the {@link AmqpsIotHubConnectionBaseHandler} has not been initialized.
* @throws InterruptedException if there is a problem acquiring the semaphore for the {@link
* Reactor}.
* @throws ExecutionException If the {@link CompletableFuture} in {@link
* AmqpsIotHubConnection#reactorReady()} completed exceptionally
*/
public void open() throws IOException, InterruptedException, ExecutionException {
// Codes_SRS_AMQPSIOTHUBCONNECTION_14_011: [If the AMQPS connection is already open, the
// function shall do nothing.]
if (this.state != ReactorState.OPEN) {
// Codes_SRS_AMQPSIOTHUBCONNECTION_14_008: [The function shall initialize it’s
// AmqpsIotHubConnectionBaseHandler using the saved host name, user name, device ID and sas
// token.]
IotHubSasToken sasToken = new IotHubSasToken(this.config);
this.amqpsHandler =
new AmqpsIotHubConnectionBaseHandler(
this.hostName, this.userName, sasToken.toString(), this.deviceID, this);
// Codes_SRS_AMQPSIOTHUBCONNECTION_14_009: [The function shall open the Amqps connection and
// trigger the Reactor (Proton) to begin running.]
// Codes_SRS_AMQPSIOTHUBCONNECTION_14_012: [If the AmqpsIotHubConnectionBaseHandler becomes
// invalidated before the Reactor (Proton) starts, the function shall throw an IOException.]
this.startReactorAsync();
// Codes_SRS_AMQPSIOTHUBCONNECTION_14_010: [Once the Reactor (Proton) is ready, the function
// shall set its state to OPEN.]
// Codes_SRS_AMQPSIOTHUBCONNECTION_14_031: [ The function shall get the link credit from it's
// AmqpsIotHubConnectionBaseHandler and set the private maxQueueSize member variable. ]
// Codes_SRS_AMQPSIOTHUBCONNECTION_14_032: [ The function shall successfully complete it’s
// CompletableFuture status member variable. ]
try {
this.reactorReady();
// This is a blocking call, will return once the link credit is available from the
// AmqpsIotHubBaseHandler
this.maxQueueSize = this.amqpsHandler.getLinkCredit();
} catch (TimeoutException e) {
this.amqpsHandler.shutdown();
throw new ExecutionException(
"The request to get the link credit from the AmqpsIotHubBaseHandler timed out.", e);
} catch (Exception e) {
this.amqpsHandler.shutdown();
throw e;
}
this.completionStatus.complete(new Boolean(true));
this.state = ReactorState.OPEN;
}
// TODO: Should this wrap all exceptions in an IOException and only throw that?
}
// Tests_SRS_AMQPSIOTHUBSESSION_11_022: [The constructor shall save the configuration.]
// Tests_SRS_AMQPSIOTHUBSESSION_11_001: [The function shall establish an AMQPS session with an IoT
// Hub with the resource URI
// 'amqps://[urlEncodedDeviceId]@sas.[urlEncodedIotHubName]:[urlEncodedSasToken]@[urlEncodedIotHubHostname].]
@Test
public void openEstablishesSessionUsingCorrectUri() throws JMSException, IOException {
final String iotHubHostname = "test.iothub.testhub";
final String iotHubName = "test.iothub";
final String deviceId = "('test-deviceid')";
final String deviceKey = "test-devicekey?&test";
final String resourceUri = "test-resource-uri";
new NonStrictExpectations() {
{
mockConfig.getIotHubHostname();
result = iotHubHostname;
mockConfig.getIotHubName();
result = iotHubName;
mockConfig.getDeviceId();
result = deviceId;
mockConfig.getDeviceKey();
result = deviceKey;
IotHubUri.getResourceUri(iotHubHostname, deviceId);
result = resourceUri;
new IotHubSasToken(resourceUri, deviceId, deviceKey, anyLong);
result = mockToken;
}
};
AmqpsIotHubSession session = new AmqpsIotHubSession(mockConfig);
session.open();
final String expectedUsername = deviceId + "@sas." + iotHubName;
final String expectedPassword = mockToken.toString();
final String expectedHostname = "amqps://" + iotHubHostname;
new Verifications() {
{
new JmsConnectionFactory(expectedUsername, expectedPassword, expectedHostname);
}
};
}
