internal EventMessage(BasicMessage basicMessage)
{
if (basicMessage.ContentType != ContentTypes.EventPlain)
{
/*
* Special Case:
* When an Outbound Socket sends the "connect" command, FreeSwitch responds with a Command-Reply.
* This Command-Reply message contains a CHANNEL_DATA event message buried in its headers.
* In this case, we can hydrate an event message from a message of content type Command-Reply.
*/
if (basicMessage.Headers.ContainsKey(HeaderNames.EventName))
{
Headers = basicMessage.Headers;
BodyText = basicMessage.BodyText;
return;
}
/* otherwise, we'll throw an exception if we get the wrong content-type message passed in*/
throw new InvalidOperationException("Expected content type event/plain, got {0} instead.".Fmt(basicMessage.ContentType));
}
// normally, the content of the event will be in the BasicMessage's body text and will need to be parsed to produce an EventMessage
if (string.IsNullOrEmpty(basicMessage.BodyText))
{
throw new ArgumentException("Message did not contain an event body.");
}
try
{
var delimiterIndex = basicMessage.BodyText.IndexOf("\n\n", StringComparison.Ordinal);
if (delimiterIndex == -1 || delimiterIndex == basicMessage.BodyText.Length - 2)
{
// body text consists of key-value-pair event headers, no body
Headers = basicMessage.BodyText.ParseKeyValuePairs(": ");
BodyText = null;
}
else
{
// ...but some Event Messages also carry a body payload, eg. a BACKGROUND_JOB event
// which is a message carried inside an EventMessage carried inside a BasicMessage..
Headers = basicMessage.BodyText.Substring(0, delimiterIndex).ParseKeyValuePairs(": ");
var contentLength = int.Parse(Headers[HeaderNames.ContentLength]);
var body = basicMessage.BodyText.Substring(delimiterIndex + 2, contentLength);
//remove any \n\n if any
var index = body.IndexOf("\n\n", System.StringComparison.Ordinal);
this.BodyText = index > 0 ? body.Substring(0, index) : body;
}
}
catch (Exception ex)
{
Log.ErrorException("Failed to parse body of event", ex);
Log.Error(BodyText);
throw;
}
}
internal CommandReply(BasicMessage basicMessage)
{
if (basicMessage.ContentType != ContentTypes.CommandReply)
{
throw new ArgumentException("Expected content type command/reply, got {0} instead.".Fmt(basicMessage.ContentType));
}
Headers = basicMessage.Headers;
BodyText = basicMessage.BodyText;
}
internal ApiResponse(BasicMessage basicMessage)
{
if (basicMessage.ContentType != ContentTypes.ApiResponse)
{
throw new ArgumentException("Expected content type api/response, got {0} instead.".Fmt(basicMessage.ContentType));
}
Headers = basicMessage.Headers;
BodyText = basicMessage.BodyText;
}
public CommandReply(BasicMessage basicMessage)
{
if (basicMessage.ContentType != ContentTypes.CommandReply)
{
throw new ArgumentException("Expected content type command/reply, got {0} instead.".Fmt(basicMessage.ContentType));
}
Headers = basicMessage.Headers;
BodyText = basicMessage.BodyText;
}
internal ApiResponse(BasicMessage basicMessage)
{
if (basicMessage.ContentType != ContentTypes.ApiResponse)
{
throw new ArgumentException("Expected content type api/response, got {0} instead.".Fmt(basicMessage.ContentType));
}
Headers = basicMessage.Headers;
BodyText = basicMessage.BodyText;
}
/// <summary>
/// Creates an <see cref="OriginateResult"/> from either a BackgroundJobResult or an EventMessage
/// </summary>
/// <param name="message">The message.</param>
/// <returns>An <see cref="OriginateResult"/>.</returns>
/// <exception cref="ArgumentException">If the wrong message type is passed.</exception>
public static OriginateResult FromBackgroundJobResultOrChannelEvent(BasicMessage message)
{
var channelEvent = message as EventMessage;
if (channelEvent != null)
{
return new OriginateResult(channelEvent);
}
var backgroundJobResult = message as BackgroundJobResult;
if (backgroundJobResult != null)
{
return new OriginateResult(backgroundJobResult);
}
throw new ArgumentException("Message Type {0} is not valid to create an OriginateResult from.".Fmt(message.GetType()));
}
/// <summary>
/// Creates an <see cref="OriginateResult"/> from either a BackgroundJobResult or an EventMessage
/// </summary>
/// <param name="message">The message.</param>
/// <returns>An <see cref="OriginateResult"/>.</returns>
/// <exception cref="ArgumentException">If the wrong message type is passed.</exception>
public static OriginateResult FromBackgroundJobResultOrChannelEvent(BasicMessage message)
{
var channelEvent = message as EventMessage;
if (channelEvent != null)
{
return(new OriginateResult(channelEvent));
}
var backgroundJobResult = message as BackgroundJobResult;
if (backgroundJobResult != null)
{
return(new OriginateResult(backgroundJobResult));
}
throw new ArgumentException("Message Type {0} is not valid to create an OriginateResult from.".Fmt(message.GetType()));
}
internal ChannelEvent(BasicMessage basicMessage) : base(basicMessage)
{
}
internal EventMessage(BasicMessage basicMessage)
{
if (basicMessage is EventMessage)
{
Headers = basicMessage.Headers;
BodyText = basicMessage.BodyText;
return;
}
else if (basicMessage.ContentType != ContentTypes.EventPlain)
{
/*
* Special Case:
* When an Outbound Socket sends the "connect" command, FreeSwitch responds with a Command-Reply.
* This Command-Reply message contains a CHANNEL_DATA event message buried in its headers.
* In this case, we can hydrate an event message from a message of content type Command-Reply.
*/
if (basicMessage.Headers.ContainsKey(HeaderNames.EventName))
{
Headers = basicMessage.Headers;
BodyText = basicMessage.BodyText;
return;
}
/* otherwise, we'll throw an exception if we get the wrong content-type message passed in*/
throw new InvalidOperationException("Expected content type event/plain, got {0} instead.".Fmt(basicMessage.ContentType));
}
// normally, the content of the event will be in the BasicMessage's body text and will need to be parsed to produce an EventMessage
if (string.IsNullOrEmpty(basicMessage.BodyText))
{
throw new ArgumentException("Message did not contain an event body.");
}
try
{
var delimiterIndex = basicMessage.BodyText.IndexOf("\n\n", StringComparison.Ordinal);
if (delimiterIndex == -1 || delimiterIndex == basicMessage.BodyText.Length - 2)
{
// body text consists of key-value-pair event headers, no body
Headers = basicMessage.BodyText.ParseKeyValuePairs(": ");
BodyText = null;
}
else
{
// ...but some Event Messages also carry a body payload, eg. a BACKGROUND_JOB event
// which is a message carried inside an EventMessage carried inside a BasicMessage..
Headers = basicMessage.BodyText.Substring(0, delimiterIndex).ParseKeyValuePairs(": ");
var contentLength = int.Parse(Headers[HeaderNames.ContentLength]);
var body = basicMessage.BodyText.Substring(delimiterIndex + 2, contentLength);
//remove any \n\n if any
var index = body.IndexOf("\n\n", System.StringComparison.Ordinal);
this.BodyText = index > 0 ? body.Substring(0, index) : body;
}
}
catch (Exception ex)
{
Log.ErrorException("Failed to parse body of event", ex);
Log.Error(BodyText);
throw;
}
}