/// <summary>
/// Asynchronously create a new channel.
/// </summary>
/// <param name="options"> Channel creation options </param>
/// <returns>The channel creation task.</returns>
public Task <IChannel> CreateAsync(ChannelCreationOptions options)
{
var response = CreateChannelAsync(options);
return(response.ContinueWith <IChannel>(t =>
{
t.ThrowIfFaulted();
string operationId = t.Result.Single().Headers[StreamingConstants.OperationIdHeader];
IOperation operation = AsyncHelper.WaitOperationCompletion(
MediaContext,
operationId,
StreamingConstants.CreateChannelPollInterval);
string messageFormat = Resources.ErrorCreateChannelFailedFormat;
string message;
switch (operation.State)
{
case OperationState.Succeeded:
var result = (ChannelData)t.Result.AsyncState;
result.Refresh();
return result;
case OperationState.Failed:
message = string.Format(CultureInfo.CurrentCulture, messageFormat, Resources.Failed, operationId, operation.ErrorMessage);
throw new InvalidOperationException(message);
default: // can never happen unless state enum is extended
message = string.Format(CultureInfo.CurrentCulture, messageFormat, Resources.InInvalidState, operationId, operation.State);
throw new InvalidOperationException(message);
}
}));
}
private Task <IMediaDataServiceResponse> CreateChannelAsync(ChannelCreationOptions options)
{
if (options == null)
{
throw new ArgumentNullException("options");
}
if (string.IsNullOrEmpty(options.Name))
{
throw new ArgumentException(Resources.ErrorEmptyChannelName);
}
if (options.Input == null ||
options.Input.AccessControl == null ||
options.Input.AccessControl.IPAllowList == null)
{
throw new ArgumentException(Resources.ErrorEmptyChannelInputIPAllowList);
}
var channelData = new ChannelData
{
Name = options.Name,
Description = options.Description,
CrossSiteAccessPolicies = options.CrossSiteAccessPolicies,
Slate = options.Slate,
};
IChannel channel = channelData;
channel.Input = options.Input;
channel.Preview = options.Preview;
channel.Output = options.Output;
channel.EncodingType = options.EncodingType;
channel.Encoding = options.Encoding;
channelData.ValidateSettings();
channelData.SetMediaContext(MediaContext);
IMediaDataServiceContext dataContext = MediaContext.MediaServicesClassFactory.CreateDataServiceContext();
dataContext.AddObject(ChannelSet, channel);
MediaRetryPolicy retryPolicy = MediaContext.MediaServicesClassFactory.GetSaveChangesRetryPolicy(dataContext as IRetryPolicyAdapter);
return(retryPolicy.ExecuteAsync(() => dataContext.SaveChangesAsync(channel)));
}
/// <summary>
/// Sends create channel operation to the service asynchronously. Use Operations collection to get operation's status.
/// </summary>
/// <param name="options"> Channel creation options </param>
/// <returns>Task to wait on for operation sending completion.</returns>
public Task <IOperation> SendCreateOperationAsync(ChannelCreationOptions options)
{
var response = CreateChannelAsync(options);
return(response.ContinueWith(t =>
{
t.ThrowIfFaulted();
string operationId = t.Result.Single().Headers[StreamingConstants.OperationIdHeader];
IOperation result = new OperationData
{
ErrorCode = null,
ErrorMessage = null,
Id = operationId,
State = OperationState.InProgress.ToString(),
};
return result;
}));
}
public static IChannel CreateAndStartChannel()
{
var channelInput = CreateChannelInput();
var channePreview = CreateChannelPreview();
var channelEncoding = CreateChannelEncoding();
ChannelCreationOptions options = new ChannelCreationOptions
{
// EncodingType = ChannelEncodingType.Standard,
Name = ChannelName,
Input = channelInput,
Preview = channePreview,
Encoding = channelEncoding
};
Log("Creating channel");
IOperation channelCreateOperation = _context.Channels.SendCreateOperation(options);
string channelId = TrackOperation(channelCreateOperation, "Channel create");
IChannel channel = _context.Channels.Where(c => c.Id == channelId).FirstOrDefault();
Log("Starting channel");
var channelStartOperation = channel.SendStartOperation();
TrackOperation(channelStartOperation, "Channel start");
return channel;
}
/// <summary>
/// Create a new channel.
/// </summary>
/// <param name="options"> Channel creation options </param>
/// <returns>The created channel.</returns>
public IChannel Create(ChannelCreationOptions options)
{
return(AsyncHelper.Wait(CreateAsync(options)));
}
/// <summary>
/// Sends create channel operation to the service and returns. Use Operations collection to get operation's status.
/// </summary>
/// <param name="options"> Channel creation options </param>
/// <returns>Operation info that can be used to track the operation.</returns>
public IOperation SendCreateOperation(ChannelCreationOptions options)
{
return(AsyncHelper.Wait(SendCreateOperationAsync(options)));
}
private async void DoCreateChannel()
{
CreateLiveChannel form = new CreateLiveChannel(_context)
{
KeyframeInterval = Properties.Settings.Default.LiveKeyFrameInterval,
HLSFragmentPerSegment = Properties.Settings.Default.LiveHLSFragmentsPerSegment,
StartChannelNow = true
};
if (form.ShowDialog() == DialogResult.OK)
{
TextBoxLogWriteLine("Channel '{0}' : creating...", form.ChannelName);
bool Error = false;
ChannelCreationOptions options = new ChannelCreationOptions();
try
{
options = new ChannelCreationOptions()
{
Name = form.ChannelName,
Description = form.ChannelDescription,
EncodingType = form.EncodingType,
Input = new ChannelInput()
{
StreamingProtocol = form.Protocol,
AccessControl = new ChannelAccessControl()
{
IPAllowList = form.inputIPAllow
},
KeyFrameInterval = form.KeyframeInterval
},
Output = new ChannelOutput() { Hls = new ChannelOutputHls() { FragmentsPerSegment = form.HLSFragmentPerSegment } },
Preview = new ChannelPreview()
{
AccessControl = new ChannelAccessControl()
{
IPAllowList = form.previewIPAllow
},
}
};
if (form.EncodingType != ChannelEncodingType.None)
{
options.Encoding = form.EncodingOptions;
options.Slate = form.Slate;
}
}
catch (Exception ex)
{
Error = true;
TextBoxLogWriteLine("Error with channel settings.", true);
TextBoxLogWriteLine(ex);
}
if (!Error)
{
await Task.Run(() => IObjectExecuteOperationAsync(
() =>
_context.Channels.SendCreateOperationAsync(
options),
form.ChannelName,
"Channel",
"created",
_context));
DoRefreshGridChannelV(false);
IChannel channel = GetChannelFromName(form.ChannelName);
if (channel != null)
{
if (form.StartChannelNow)
{
Task.Run(async () =>
{
// let's start the channel now
await StartChannelAsync(GetChannelFromName(form.ChannelName));
}
);
}
}
}
}
}
private async void ProcessCloneChannelToAnotherAMSAccount(CredentialsEntry DestinationCredentialsEntry, string DestinationStorageAccount, IChannel sourceChannel)
{
TextBoxLogWriteLine("Starting the channel cloning process...");
CloudMediaContext DestinationContext = Program.ConnectAndGetNewContext(DestinationCredentialsEntry);
var options = new ChannelCreationOptions()
{
Name = sourceChannel.Name,
Description = sourceChannel.Description,
EncodingType = sourceChannel.EncodingType,
Input = sourceChannel.Input,
Output = sourceChannel.Output,
Preview = sourceChannel.Preview
};
if (sourceChannel.EncodingType != ChannelEncodingType.None)
{
options.Encoding = sourceChannel.Encoding;
options.Slate = sourceChannel.Slate;
}
await Task.Run(() => IObjectExecuteOperationAsync(
() =>
DestinationContext.Channels.SendCreateOperationAsync(
options),
sourceChannel.Name,
"Cloned channel",
"created",
DestinationContext));
}
