public static string ToSseString <T>(this SseMessage <T> msg) where T : class
{
var msgString = new System.Text.StringBuilder();
if (!string.IsNullOrWhiteSpace(msg.Id))
{
msgString.Append($"id: {msg.Id}\n");
}
if (!string.IsNullOrWhiteSpace(msg.Event))
{
msgString.Append($"event: {msg.Event}\n");
}
if (msg.Data != null)
{
msgString.Append($"data: {JsonConvert.SerializeObject(msg.Data)}\n");
}
else
{
throw new System.ArgumentNullException("Data");
}
msgString.Append("\n");
return(msgString.ToString());
}
public async Task SendMessageAsync <T>(SseMessage <T> message) where T : class
{
var tasks = this.clients.Values
.ToList()
.Select(client => client.SendMessageAsync(message));
await Task.WhenAll(tasks);
}
public async Task SendMessageAsync <T>(SseMessage <T> message) where T : class
{
await response.WriteAsync(message.ToSseString());
response.Body.Flush();
}