public async Task<SendingAmqpLink> CreateSendingLinkAsync(string path, IotHubConnectionString connectionString, TimeSpan timeout)
{
this.OnCreateSendingLink(connectionString);
var timeoutHelper = new TimeoutHelper(timeout);
AmqpSession session;
if (!this.FaultTolerantSession.TryGetOpenedObject(out session))
{
session = await this.FaultTolerantSession.GetOrCreateAsync(timeoutHelper.RemainingTime());
}
var linkAddress = this.BuildLinkAddress(connectionString, path);
var linkSettings = new AmqpLinkSettings()
{
Role = false,
InitialDeliveryCount = 0,
Target = new Target() { Address = linkAddress.AbsoluteUri },
SndSettleMode = null, // SenderSettleMode.Unsettled (null as it is the default and to avoid bytes on the wire)
RcvSettleMode = null, // (byte)ReceiverSettleMode.First (null as it is the default and to avoid bytes on the wire)
LinkName = Guid.NewGuid().ToString("N") // Use a human readable link name to help with debugging
};
SetLinkSettingsCommonProperties(linkSettings, timeoutHelper.RemainingTime());
var link = new SendingAmqpLink(linkSettings);
link.AttachTo(session);
var audience = this.BuildAudience(connectionString, path);
await this.OpenLinkAsync(link, connectionString, audience, timeoutHelper.RemainingTime());
return link;
}
protected override void OnCreateReceivingLink(IotHubConnectionString connectionString)
{
if (connectionString.SharedAccessKeyName != null)
{
throw new ArgumentException("Must provide a device-scope connection string", "connectionString");
}
}
public async Task<ReceivingAmqpLink> CreateReceivingLinkAsync(string path, IotHubConnectionString connectionString, TimeSpan timeout, uint prefetchCount)
{
this.OnCreateReceivingLink(connectionString);
var timeoutHelper = new TimeoutHelper(timeout);
AmqpSession session;
if (!this.FaultTolerantSession.TryGetOpenedObject(out session))
{
session = await this.FaultTolerantSession.GetOrCreateAsync(timeoutHelper.RemainingTime());
}
var linkAddress = this.BuildLinkAddress(connectionString, path);
var linkSettings = new AmqpLinkSettings()
{
Role = true,
TotalLinkCredit = prefetchCount,
AutoSendFlow = prefetchCount > 0,
Source = new Source() { Address = linkAddress.AbsoluteUri },
SndSettleMode = null, // SenderSettleMode.Unsettled (null as it is the default and to avoid bytes on the wire)
RcvSettleMode = (byte)ReceiverSettleMode.Second,
LinkName = Guid.NewGuid().ToString("N") // Use a human readable link name to help with debuggin
};
SetLinkSettingsCommonProperties(linkSettings, timeoutHelper.RemainingTime());
var link = new ReceivingAmqpLink(linkSettings);
link.AttachTo(session);
var audience = this.BuildAudience(connectionString, path);
await this.OpenLinkAsync(link, connectionString, audience, timeoutHelper.RemainingTime());
return link;
}
public IotHubConnection(IotHubConnectionString connectionString, AccessRights accessRights)
{
this.connectionString = connectionString;
this.accessRights = accessRights;
this.faultTolerantSession = new FaultTolerantAmqpObject<AmqpSession>(this.CreateSessionAsync, this.CloseConnection);
this.refreshTokenTimer = new IOThreadTimer(s => ((IotHubConnection)s).OnRefreshToken(), this, false);
}
public IotHubSingleTokenConnection(IotHubScopeConnectionPool iotHubScopeConnectionPool, IotHubConnectionString connectionString, AmqpTransportSettings amqpTransportSettings)
:base(connectionString.HostName, connectionString.AmqpEndpoint.Port, amqpTransportSettings)
{
this.iotHubScopeConnectionPool = iotHubScopeConnectionPool;
this.ConnectionString = connectionString;
this.FaultTolerantSession = new FaultTolerantAmqpObject<AmqpSession>(this.CreateSessionAsync, this.CloseConnection);
}
public IotHubDeviceMuxConnection(IotHubDeviceScopeConnectionPool deviceScopeConnectionPool, long cacheKey, IotHubConnectionString connectionString, AmqpTransportSettings amqpTransportSettings)
: base(connectionString.HostName, connectionString.AmqpEndpoint.Port, amqpTransportSettings)
{
this.deviceScopeConnectionPool = deviceScopeConnectionPool;
this.cacheKey = cacheKey;
this.FaultTolerantSession = new FaultTolerantAmqpObject<AmqpSession>(this.CreateSessionAsync, this.CloseConnection);
this.iotHubTokenRefreshers = new ConcurrentDictionary<AmqpObject, IotHubTokenRefresher>();
}
public AmqpDeviceClient(IotHubConnectionString connectionString, bool useWebSocketOnly)
{
this.IotHubConnection = connectionCache.GetConnection(connectionString, useWebSocketOnly);
this.deviceId = connectionString.DeviceId;
this.openTimeout = IotHubConnection.DefaultOpenTimeout;
this.operationTimeout = IotHubConnection.DefaultOperationTimeout;
this.DefaultReceiveTimeout = IotHubConnection.DefaultOperationTimeout;
this.faultTolerantEventSendingLink = new FaultTolerantAmqpObject<SendingAmqpLink>(this.CreateEventSendingLinkAsync, this.IotHubConnection.CloseLink);
this.faultTolerantDeviceBoundReceivingLink = new FaultTolerantAmqpObject<ReceivingAmqpLink>(this.CreateDeviceBoundReceivingLinkAsync, this.IotHubConnection.CloseLink);
}
internal HttpDeviceClient(IotHubConnectionString iotHubConnectionString)
{
this.deviceId = iotHubConnectionString.DeviceId;
this.httpClientHelper = new HttpClientHelper(
iotHubConnectionString.HttpsEndpoint,
iotHubConnectionString,
ExceptionHandlingHelper.GetDefaultErrorMapping(),
DefaultOperationTimeout,
null);
this.DefaultReceiveTimeout = DefaultReceiveTimeoutInSeconds;
}
public AmqpDeviceClient(IotHubConnectionString connectionString, AmqpTransportSettings transportSettings)
{
this.IotHubConnection = connectionCache.GetConnection(connectionString, transportSettings);
this.deviceId = connectionString.DeviceId;
this.openTimeout = IotHubConnection.DefaultOpenTimeout;
this.operationTimeout = IotHubConnection.DefaultOperationTimeout;
this.DefaultReceiveTimeout = IotHubConnection.DefaultOperationTimeout;
this.faultTolerantEventSendingLink = new FaultTolerantAmqpObject<SendingAmqpLink>(this.CreateEventSendingLinkAsync, this.IotHubConnection.CloseLink);
this.faultTolerantDeviceBoundReceivingLink = new FaultTolerantAmqpObject<ReceivingAmqpLink>(this.CreateDeviceBoundReceivingLinkAsync, this.IotHubConnection.CloseLink);
this.prefetchCount = transportSettings.PrefetchCount;
}
public IotHubTokenRefresher(AmqpSession amqpSession, IotHubConnectionString connectionString, string audience)
{
if (amqpSession == null)
{
throw new ArgumentNullException("amqpSession");
}
this.amqpSession = amqpSession;
this.connectionString = connectionString;
this.audience = audience;
}
DeviceClient(IotHubConnectionString iotHubConnectionString, ITransportSettings[] transportSettings)
{
this.iotHubConnectionString = iotHubConnectionString;
#if !WINDOWS_UWP
var innerHandler = new RetryDelegatingHandler(
new ErrorDelegatingHandler(
() => new RoutingDelegatingHandler(this.CreateTransportHandler, iotHubConnectionString, transportSettings)));
#else
// UWP does not support retry yet. We need to make the underlying Message stream accessible internally on UWP
// to be sure that either the stream has not been read or it is seekable to safely retry operation
var innerHandler = new ErrorDelegatingHandler(
() => new RoutingDelegatingHandler(this.CreateTransportHandler, iotHubConnectionString, transportSettings));
#endif
this.InnerHandler = new GateKeeperDelegatingHandler(innerHandler);
}
protected override async Task OpenLinkAsync(AmqpObject link, IotHubConnectionString doNotUse, string doNotUse2, TimeSpan timeout)
{
try
{
await link.OpenAsync(timeout);
}
catch (Exception exception)
{
if (exception.IsFatal())
{
throw;
}
link.SafeClose(exception);
throw;
}
}
internal HttpDeviceClient(IotHubConnectionString iotHubConnectionString)
{
this.deviceId = iotHubConnectionString.DeviceId;
this.httpClientHelper = new HttpClientHelper(
iotHubConnectionString.HttpsEndpoint,
iotHubConnectionString,
DefaultOperationTimeout);
this.DefaultReceiveTimeout = DefaultReceiveTimeoutInSeconds;
// fill MapMessageProperties2HttpHeaders
MapMessageProperties2HttpHeaders.Add(MessageSystemPropertyNames.Ack, CustomHeaderConstants.Ack);
MapMessageProperties2HttpHeaders.Add(MessageSystemPropertyNames.CorrelationId, CustomHeaderConstants.CorrelationId);
MapMessageProperties2HttpHeaders.Add(MessageSystemPropertyNames.ExpiryTimeUtc, CustomHeaderConstants.ExpiryTimeUtc);
MapMessageProperties2HttpHeaders.Add(MessageSystemPropertyNames.MessageId, CustomHeaderConstants.MessageId);
MapMessageProperties2HttpHeaders.Add(MessageSystemPropertyNames.Operation, CustomHeaderConstants.Operation);
MapMessageProperties2HttpHeaders.Add(MessageSystemPropertyNames.To, CustomHeaderConstants.To);
MapMessageProperties2HttpHeaders.Add(MessageSystemPropertyNames.UserId, CustomHeaderConstants.UserId);
// make sure we are using RFC4648 encoding for Base64 (.Net MF default is not RFC4648)
Convert.UseRFC4648Encoding = true;
}
public IotHubDeviceMuxConnection(IotHubDeviceScopeConnectionPool deviceScopeConnectionPool, long cacheKey, IotHubConnectionString connectionString, AmqpTransportSettings amqpTransportSettings)
: base(connectionString.HostName, connectionString.AmqpEndpoint.Port, amqpTransportSettings)
{
this.deviceScopeConnectionPool = deviceScopeConnectionPool;
this.cacheKey = cacheKey;
this.FaultTolerantSession = new FaultTolerantAmqpObject <AmqpSession>(this.CreateSessionAsync, this.CloseConnection);
this.iotHubTokenRefreshers = new ConcurrentDictionary <AmqpObject, IotHubTokenRefresher>();
}
protected override string BuildAudience(IotHubConnectionString doNotUse, string donotUse2)
{
return string.Empty;
}
internal static InternalClient CreateFromConnectionString(
string connectionString,
IAuthenticationMethod authenticationMethod,
ITransportSettings[] transportSettings,
IDeviceClientPipelineBuilder pipelineBuilder,
ClientOptions options = default)
{
if (connectionString == null)
{
throw new ArgumentNullException(nameof(connectionString));
}
if (transportSettings == null)
{
throw new ArgumentNullException(nameof(transportSettings));
}
if (transportSettings.Length == 0)
{
throw new ArgumentOutOfRangeException(nameof(connectionString), "Must specify at least one TransportSettings instance");
}
if (!string.IsNullOrWhiteSpace(options?.ModelId) &&
transportSettings.Any(x => x.GetTransportType() == TransportType.Http1))
{
throw new InvalidOperationException("Plug and Play is not supported over the HTTP transport.");
}
var builder = IotHubConnectionStringBuilder.CreateWithIAuthenticationOverride(
connectionString,
authenticationMethod);
// Clients that derive their authentication method from AuthenticationWithTokenRefresh will need to specify
// the token time to live and renewal buffer values through the corresponding AuthenticationWithTokenRefresh
// implementation constructors instead.
if (!(builder.AuthenticationMethod is AuthenticationWithTokenRefresh))
{
builder.SasTokenTimeToLive = options?.SasTokenTimeToLive ?? default;
builder.SasTokenRenewalBuffer = options?.SasTokenRenewalBuffer ?? default;
}
IotHubConnectionString iotHubConnectionString = builder.ToIotHubConnectionString();
foreach (ITransportSettings transportSetting in transportSettings)
{
switch (transportSetting.GetTransportType())
{
case TransportType.Amqp_WebSocket_Only:
case TransportType.Amqp_Tcp_Only:
if (!(transportSetting is AmqpTransportSettings))
{
throw new InvalidOperationException("Unknown implementation of ITransportSettings type");
}
break;
case TransportType.Http1:
if (!(transportSetting is Http1TransportSettings))
{
throw new InvalidOperationException("Unknown implementation of ITransportSettings type");
}
break;
case TransportType.Mqtt_WebSocket_Only:
case TransportType.Mqtt_Tcp_Only:
if (!(transportSetting is MqttTransportSettings))
{
throw new InvalidOperationException("Unknown implementation of ITransportSettings type");
}
break;
default:
throw new InvalidOperationException("Unsupported Transport Type {0}".FormatInvariant(transportSetting.GetTransportType()));
}
}
if (authenticationMethod is DeviceAuthenticationWithX509Certificate &&
builder.Certificate == null)
{
throw new ArgumentException("No certificate was found. To use certificate authentication certificate must be present.");
}
// Make sure client options is initialized with the correct transport setting.
EnsureOptionsIsSetup(builder.Certificate, ref options);
pipelineBuilder ??= BuildPipeline();
// Defer concrete InternalClient creation to OpenAsync
var client = new InternalClient(iotHubConnectionString, transportSettings, pipelineBuilder, options);
if (Logging.IsEnabled)
{
Logging.CreateFromConnectionString(
client,
$"HostName={iotHubConnectionString.HostName};DeviceId={iotHubConnectionString.DeviceId};ModuleId={iotHubConnectionString.ModuleId}",
transportSettings,
options);
}
return(client);
}
protected abstract Task OpenLinkAsync(AmqpObject link, IotHubConnectionString connectionString, string audience, TimeSpan timeout, CancellationToken cancellationToken);
protected abstract Uri BuildLinkAddress(IotHubConnectionString iotHubConnectionString, string path);
DeviceClient(IotHubConnectionString iotHubConnectionString)
{
this.InnerHandler = new GateKeeperDelegatingHandler(
new ErrorDelegatingHandler(() => new HttpTransportHandler(iotHubConnectionString)));
}
internal static InternalClient CreateFromConnectionString(
string connectionString,
IAuthenticationMethod authenticationMethod,
ITransportSettings[] transportSettings,
IDeviceClientPipelineBuilder pipelineBuilder,
ClientOptions options = default)
{
if (connectionString == null)
{
throw new ArgumentNullException(nameof(connectionString));
}
if (transportSettings == null)
{
throw new ArgumentNullException(nameof(transportSettings));
}
if (transportSettings.Length == 0)
{
throw new ArgumentOutOfRangeException(nameof(connectionString), "Must specify at least one TransportSettings instance");
}
var builder = IotHubConnectionStringBuilder.CreateWithIAuthenticationOverride(
connectionString,
authenticationMethod);
IotHubConnectionString iotHubConnectionString = builder.ToIotHubConnectionString();
foreach (ITransportSettings transportSetting in transportSettings)
{
switch (transportSetting.GetTransportType())
{
case TransportType.Amqp_WebSocket_Only:
case TransportType.Amqp_Tcp_Only:
if (!(transportSetting is AmqpTransportSettings))
{
throw new InvalidOperationException("Unknown implementation of ITransportSettings type");
}
break;
case TransportType.Http1:
if (!(transportSetting is Http1TransportSettings))
{
throw new InvalidOperationException("Unknown implementation of ITransportSettings type");
}
break;
case TransportType.Mqtt_WebSocket_Only:
case TransportType.Mqtt_Tcp_Only:
if (!(transportSetting is MqttTransportSettings))
{
throw new InvalidOperationException("Unknown implementation of ITransportSettings type");
}
break;
default:
throw new InvalidOperationException("Unsupported Transport Type {0}".FormatInvariant(transportSetting.GetTransportType()));
}
}
pipelineBuilder = pipelineBuilder ?? BuildPipeline();
// Defer concrete InternalClient creation to OpenAsync
var client = new InternalClient(iotHubConnectionString, transportSettings, pipelineBuilder, options);
if (Logging.IsEnabled)
{
Logging.CreateFromConnectionString(client, $"HostName={iotHubConnectionString.HostName};DeviceId={iotHubConnectionString.DeviceId};ModuleId={iotHubConnectionString.ModuleId}", transportSettings, options);
}
return(client);
}
protected override string BuildAudience(IotHubConnectionString doNotUse, string donotUse2)
{
return(string.Empty);
}
protected override Uri BuildLinkAddress(IotHubConnectionString doNotUse, string path)
{
return(this.ConnectionString.BuildLinkAddress(path));
}
public IotHubSingleTokenConnection(IotHubScopeConnectionPool iotHubScopeConnectionPool, IotHubConnectionString connectionString, AmqpTransportSettings amqpTransportSettings)
: base(connectionString.HostName, connectionString.AmqpEndpoint.Port, amqpTransportSettings)
{
this.iotHubScopeConnectionPool = iotHubScopeConnectionPool;
this.ConnectionString = connectionString;
this.FaultTolerantSession = new FaultTolerantAmqpObject <AmqpSession>(this.CreateSessionAsync, this.CloseConnection);
}
public async Task <SendingAmqpLink> CreateSendingLinkAsync(
string path,
IotHubConnectionString connectionString,
string corrId,
SendingLinkType linkType,
TimeSpan timeout,
ProductInfo productInfo,
CancellationToken cancellationToken)
{
this.OnCreateSendingLink(connectionString);
var timeoutHelper = new TimeoutHelper(timeout);
AmqpSession session = await this.GetSessionAsync(timeoutHelper, cancellationToken).ConfigureAwait(false);
var linkAddress = this.BuildLinkAddress(connectionString, path);
var linkSettings = new AmqpLinkSettings()
{
Role = false,
InitialDeliveryCount = 0,
Target = new Target()
{
Address = linkAddress.AbsoluteUri
},
LinkName = Guid.NewGuid().ToString("N") // Use a human readable link name to help with debugging
};
switch (linkType)
{
case SendingLinkType.TelemetryEvents:
linkSettings.SndSettleMode = null; // SenderSettleMode.Unsettled (null as it is the default and to avoid bytes on the wire)
linkSettings.RcvSettleMode = null; // (byte)ReceiverSettleMode.First (null as it is the default and to avoid bytes on the wire)
break;
case SendingLinkType.Methods:
case SendingLinkType.Twin:
linkSettings.SndSettleMode = (byte)SenderSettleMode.Settled;
linkSettings.RcvSettleMode = (byte)ReceiverSettleMode.First;
break;
}
SetLinkSettingsCommonProperties(linkSettings, timeoutHelper.RemainingTime(), productInfo);
if (linkType == SendingLinkType.Methods)
{
SetLinkSettingsCommonPropertiesForMethod(linkSettings, corrId);
}
else if (linkType == SendingLinkType.Twin)
{
SetLinkSettingsCommonPropertiesForTwin(linkSettings, corrId);
}
var link = new SendingAmqpLink(linkSettings);
link.AttachTo(session);
var audience = this.BuildAudience(connectionString, path);
await this.OpenLinkAsync(link, connectionString, audience, timeoutHelper.RemainingTime(), cancellationToken).ConfigureAwait(false);
return(link);
}
protected override string BuildAudience(IotHubConnectionString iotHubConnectionString, string path)
{
return(iotHubConnectionString.Audience + path);
}
protected override Uri BuildLinkAddress(IotHubConnectionString iotHubConnectionString, string path)
{
return(iotHubConnectionString.BuildLinkAddress(path));
}
public bool RemoveDeviceScopeConnectionPool(IotHubConnectionString connectionString)
{
IotHubDeviceScopeConnectionPool iotHubDeviceScopeConnectionPool;
return(this.deviceScopeConnectionPools.TryRemove(connectionString, out iotHubDeviceScopeConnectionPool));
}
protected override async Task OpenLinkAsync(AmqpObject link, IotHubConnectionString connectionString, string audience, TimeSpan timeout)
{
var timeoutHelper = new TimeoutHelper(timeout);
try
{
// this is a device-scope connection string. We need to send a CBS token for this specific link before opening it.
var iotHubLinkTokenRefresher = new IotHubTokenRefresher(
this.FaultTolerantSession.Value,
connectionString,
audience
);
if (this.iotHubTokenRefreshers.TryAdd(link, iotHubLinkTokenRefresher))
{
link.SafeAddClosed((s, e) =>
{
if (this.iotHubTokenRefreshers.TryRemove(link, out iotHubLinkTokenRefresher))
{
iotHubLinkTokenRefresher.Cancel();
}
});
// Send Cbs token for new link first
await iotHubLinkTokenRefresher.SendCbsTokenAsync(timeoutHelper.RemainingTime());
}
// Open Amqp Link
await link.OpenAsync(timeoutHelper.RemainingTime());
}
catch (Exception exception)
{
if (exception.IsFatal())
{
throw;
}
link.SafeClose(exception);
throw;
}
}
protected override string BuildAudience(IotHubConnectionString iotHubConnectionString, string path)
{
return iotHubConnectionString.Audience + path;
}
protected virtual void OnCreateReceivingLink(IotHubConnectionString connectionString)
{
// do nothing. Override in derived classes if necessary
}
protected override Uri BuildLinkAddress(IotHubConnectionString iotHubConnectionString, string path)
{
return iotHubConnectionString.BuildLinkAddress(path);
}
public async Task <ReceivingAmqpLink> CreateReceivingLinkAsync(
string path,
IotHubConnectionString connectionString,
string corrId,
ReceivingLinkType linkType,
uint prefetchCount,
TimeSpan timeout,
CancellationToken cancellationToken)
{
this.OnCreateReceivingLink(connectionString);
var timeoutHelper = new TimeoutHelper(timeout);
AmqpSession session = await this.GetSessionAsync(timeoutHelper, cancellationToken);
var linkAddress = this.BuildLinkAddress(connectionString, path);
var linkSettings = new AmqpLinkSettings()
{
Role = true,
TotalLinkCredit = prefetchCount,
AutoSendFlow = prefetchCount > 0,
Source = new Source()
{
Address = linkAddress.AbsoluteUri
},
LinkName = Guid.NewGuid().ToString("N") // Use a human readable link name to help with debuggin
};
switch (linkType)
{
case ReceivingLinkType.C2DMessages:
linkSettings.SndSettleMode = null; // SenderSettleMode.Unsettled (null as it is the default and to avoid bytes on the wire)
linkSettings.RcvSettleMode = (byte)ReceiverSettleMode.Second;
break;
case ReceivingLinkType.Methods:
case ReceivingLinkType.Twin:
linkSettings.SndSettleMode = (byte)SenderSettleMode.Settled;
linkSettings.RcvSettleMode = (byte)ReceiverSettleMode.First;
break;
}
SetLinkSettingsCommonProperties(linkSettings, timeoutHelper.RemainingTime());
if (linkType == ReceivingLinkType.Methods)
{
SetLinkSettingsCommonPropertiesForMethod(linkSettings, corrId);
}
else if (linkType == ReceivingLinkType.Twin)
{
SetLinkSettingsCommonPropertiesForTwin(linkSettings, corrId);
}
var link = new ReceivingAmqpLink(linkSettings);
link.AttachTo(session);
var audience = this.BuildAudience(connectionString, path);
await this.OpenLinkAsync(link, connectionString, audience, timeoutHelper.RemainingTime(), cancellationToken);
return(link);
}
public DeviceAuthenticationWithSakRefresh(
string deviceId,
IotHubConnectionString connectionString) : base(deviceId)
{
_connectionString = connectionString;
}
protected abstract string BuildAudience(IotHubConnectionString iotHubConnectionString, string path);
protected abstract Task OpenLinkAsync(AmqpObject link, IotHubConnectionString connectionString, string audience, TimeSpan timeout);
// Making this virtual to allow Moq to override
public virtual bool RemoveHubScopeConnectionPool(IotHubConnectionString connectionString)
{
IotHubScopeConnectionPool iotHubScopeConnectionPool;
return(this.hubScopeConnectionPools.TryRemove(connectionString, out iotHubScopeConnectionPool));
}
protected virtual void OnCreateReceivingLink(IotHubConnectionString connectionString)
{
// do nothing. Override in derived classes if necessary
}
protected override Uri BuildLinkAddress(IotHubConnectionString doNotUse, string path)
{
return this.ConnectionString.BuildLinkAddress(path);
}
DeviceClient(IotHubConnectionString iotHubConnectionString, ITransportSettings[] transportSettings)
{
this.iotHubConnectionString = iotHubConnectionString;
this.transportSettings = transportSettings;
}
DeviceClient(IotHubConnectionString iotHubConnectionString, ITransportSettings[] transportSettings)
{
this.iotHubConnectionString = iotHubConnectionString;
this.transportSettings = transportSettings;
}
public DeviceAuthenticationWithSakRefresh(
string deviceId,
IotHubConnectionString connectionString) : base(deviceId)
{
_connectionString = connectionString ?? throw new ArgumentNullException(nameof(connectionString));
}
public async Task <SendingAmqpLink> CreateMethodSendingLinkAsync(string path, IotHubConnectionString connectionString, TimeSpan timeout, CancellationToken cancellationToken, string deviceId)
{
this.OnCreateSendingLink(connectionString);
var timeoutHelper = new TimeoutHelper(timeout);
AmqpSession session;
if (!this.FaultTolerantSession.TryGetOpenedObject(out session))
{
session = await this.FaultTolerantSession.GetOrCreateAsync(timeoutHelper.RemainingTime(), cancellationToken);
}
var linkAddress = this.BuildLinkAddress(connectionString, path);
var linkSettings = new AmqpLinkSettings()
{
Role = false,
InitialDeliveryCount = 0,
Target = new Target()
{
Address = linkAddress.AbsoluteUri
},
SndSettleMode = (byte)SenderSettleMode.Settled,
RcvSettleMode = (byte)ReceiverSettleMode.First,
LinkName = Guid.NewGuid().ToString("N") // Use a human readable link name to help with debugging
};
SetLinkSettingsCommonProperties(linkSettings, timeoutHelper.RemainingTime());
SetLinkSettingsCommonPropertiesForMethod(linkSettings, deviceId);
var link = new SendingAmqpLink(linkSettings);
link.AttachTo(session);
var audience = this.BuildAudience(connectionString, path);
await this.OpenLinkAsync(link, connectionString, audience, timeoutHelper.RemainingTime(), cancellationToken);
return(link);
}
protected abstract Uri BuildLinkAddress(IotHubConnectionString iotHubConnectionString, string path);
DeviceClient(IotHubConnectionString iotHubConnectionString)
{
this.InnerHandler = new GateKeeperDelegatingHandler(
new ErrorDelegatingHandler(() => new HttpTransportHandler(iotHubConnectionString)));
}
protected abstract string BuildAudience(IotHubConnectionString iotHubConnectionString, string path);
DefaultDelegatingHandler CreateTransportHandler(IotHubConnectionString iotHubConnectionString, ITransportSettings transportSetting)
{
switch (transportSetting.GetTransportType())
{
case TransportType.Amqp_WebSocket_Only:
case TransportType.Amqp_Tcp_Only:
return new AmqpTransportHandler(iotHubConnectionString, transportSetting as AmqpTransportSettings);
case TransportType.Http1:
return new HttpTransportHandler(iotHubConnectionString, transportSetting as Http1TransportSettings);
#if !WINDOWS_UWP && !NETMF
case TransportType.Mqtt:
return new MqttTransportHandler(iotHubConnectionString, transportSetting as MqttTransportSettings);
#endif
default:
throw new InvalidOperationException("Unsupported Transport Setting {0}".FormatInvariant(transportSetting));
}
}
internal HttpDeviceClient(IotHubConnectionString iotHubConnectionString, Http1TransportSettings transportSettings)
:this(iotHubConnectionString)
{
this.transportSettings = transportSettings;
}
