/// <summary>
/// Send a JSON object followed by a newline without closing the connection.
/// Used by the continuous mode of _changes and _active_tasks.
/// </summary>
/// <returns><c>true</c>, if data was written, <c>false</c> otherwise.</returns>
/// <param name="changesDict">The metadata dictionary to write</param>
/// <param name="mode">The mode of the response (event source vs continuous)</param>
public bool SendContinuousLine(IDictionary <string, object> changesDict, ChangesFeedMode mode)
{
if (!Chunked)
{
Log.To.Router.W(TAG, "Attempt to send streaming data when not in chunked mode");
return(false);
}
var json = Manager.GetObjectMapper().WriteValueAsBytes(changesDict).ToList();
if (mode == ChangesFeedMode.EventSource)
{
// https://developer.mozilla.org/en-US/docs/Server-sent_events/Using_server-sent_events#Event_stream_format
json.InsertRange(0, Encoding.UTF8.GetBytes("data: "));
json.AddRange(Encoding.UTF8.GetBytes("\n\n"));
}
else
{
json.AddRange(Encoding.UTF8.GetBytes("\n"));
}
Log.To.Router.V(TAG, "Sending continous change chunk: {0}", new SecureLogJsonString(changesDict,
LogMessageSensitivity.PotentiallyInsecure));
bool written = WriteData(json, false);
return(written);
}
/// <summary>
/// Send a JSON object followed by a newline without closing the connection.
/// Used by the continuous mode of _changes and _active_tasks.
/// </summary>
/// <returns><c>true</c>, if data was written, <c>false</c> otherwise.</returns>
/// <param name="changesDict">The metadata dictionary to write</param>
/// <param name="mode">The mode of the response (event source vs continuous)</param>
public bool SendContinuousLine(IDictionary<string, object> changesDict, ChangesFeedMode mode)
{
if (!Chunked) {
Log.W(TAG, "Attempt to send streaming data when not in chunked mode");
return false;
}
var json = Manager.GetObjectMapper().WriteValueAsBytes(changesDict).ToList();
if (mode == ChangesFeedMode.EventSource) {
// https://developer.mozilla.org/en-US/docs/Server-sent_events/Using_server-sent_events#Event_stream_format
json.InsertRange(0, Encoding.UTF8.GetBytes("data: "));
json.AddRange(Encoding.UTF8.GetBytes("\n\n"));
} else {
json.AddRange(Encoding.UTF8.GetBytes("\n"));
}
bool written = WriteData(json, false);
return written;
}