/// <summary>
/// Get messages from a queue. (This is not an HTTP GET as it will alter the state of the queue.)
/// </summary>
/// <param name="virtualHost"></param>
/// <param name="queueName"></param>
/// <param name="count">ols the maximum number of messages to get. You may get fewer messages than this if the queue cannot immediately provide them.</param>
/// <param name="requeue">determines whether the messages will be removed from the queue. If requeue is true they will be requeued - but their redelivered flag will be set.</param>
/// <param name="encoding">must be either "auto" (in which case the payload will be returned as a string if it is valid UTF-8, and base64 encoded otherwise), or "base64" (in which case the payload will always be base64 encoded).</param>
/// <returns></returns>
public async Task <IEnumerable <QueueMessage> > GetQueueMessages(string virtualHost, string queueName,
long count = Int64.MaxValue, bool requeue = true, PayloadEncoding encoding = PayloadEncoding.Auto)
{
var request = new GetQueueMessagesRequest
{
count = count,
requeue = requeue,
encoding = encoding.ToString("G").ToLower(),
};
string path = $"/api/queues/{virtualHost.Encode()}/{queueName.Encode()}/get";
return(await DoCall <IEnumerable <QueueMessage> >(path, HttpMethod.Post, request));
}
/// <summary>
/// Publish a message to a given exchange.
/// </summary>
/// <param name="virtualHost"></param>
/// <param name="exchangeName"></param>
/// <param name="routingKey">binding key</param>
/// <param name="payload">message data</param>
/// <param name="payloadEncoding">The payload_encoding key should be either "string" (in which case the payload will be taken to be the UTF-8 encoding of the payload field) or "base64" (in which case the payload field is taken to be base64 encoded).</param>
/// <param name="properties"></param>
/// <returns>true if the message was sent to at least one queue.</returns>
public async Task <bool> PublishMessage(
string virtualHost, string exchangeName, string routingKey, dynamic payload,
PayloadEncoding payloadEncoding = PayloadEncoding.String, Properties properties = null)
{
if (exchangeName == String.Empty)
{
throw new ArgumentException("Cannot send message using default exchange in HTTP API");
}
var request = new PublishMessageRequest
{
payload = JsonConvert.SerializeObject(payload),
routing_key = routingKey,
properties = new Properties(),
payload_encoding = payloadEncoding.ToString("G").ToLower()
};
string path = $"/api/exchanges/{virtualHost.Encode()}/{exchangeName.Encode()}/publish";
var response = await DoCall <PublishMessageResponse>(path, HttpMethod.Post, request);
return(response.Routed);
}