public IEnumerator<IYield> WildCardMessage(DreamContext context, DreamMessage request, Result<DreamMessage> response)
{
// convert dream message into an XML document
XDoc xmessage = new XMessage(request);
// respond by sending the message back
response.Return(DreamMessage.Ok(xmessage));
yield break;
}
public IEnumerator<IYield> WildCardHeaders(DreamContext context, DreamMessage request, Result<DreamMessage> response)
{
// convert dream message into an XML document
XDoc xmessage = new XMessage(request);
// select <headers> element
XDoc headers = xmessage["headers"];
// send it back
response.Return(DreamMessage.Ok(headers));
yield break;
}
public IEnumerator<IYield> WildCardBody(DreamContext context, DreamMessage request, Result<DreamMessage> response)
{
// convert dream message into an XML document
XDoc xmessage = new XMessage(request);
// select first child of <body> element
XDoc body = xmessage["body"];
// respond by sending only the body back
response.Return(DreamMessage.Ok(body));
yield break;
}
/// <summary>
/// WARNING: This method is thread-blocking. Please avoid using it if possible.
/// </summary>
internal static XDoc ExecuteAction(Plug env, DreamHeaders headers, XDoc action) {
string verb = action["@verb"].Contents;
string path = action["@path"].Contents;
if((path.Length > 0) && (path[0] == '/')) {
path = path.Substring(1);
}
XUri uri;
if(!XUri.TryParse(path, out uri)) {
uri = env.Uri.AtAbsolutePath(path);
}
// create message
DreamMessage message = DreamMessage.Ok(GetActionBody(action));
message.Headers.AddRange(headers);
// apply headers
foreach(XDoc header in action["header"]) {
message.Headers[header["@name"].Contents] = header.Contents;
}
// BUG #814: we need to support events
// execute action
DreamMessage reply = Plug.New(uri).Invoke(verb, message);
// prepare response
XDoc result = new XMessage(reply);
string ID = action["@ID"].Contents;
if(!string.IsNullOrEmpty(ID)) {
result.Root.Attr("ID", ID);
}
return result;
}
/// <summary>
/// WARNING: This method is thread-blocking. Please avoid using it if possible.
/// </summary>
internal static XDoc ExecutePipe(Plug env, DreamHeaders headers, XDoc pipe) {
DreamMessage message = null;
foreach(XDoc action in pipe["action"]) {
string verb = action["@verb"].Contents;
string path = action["@path"].Contents;
XUri uri;
if(!XUri.TryParse(path, out uri)) {
uri = env.Uri.AtPath(path);
}
// create first message
if(message == null) {
message = DreamMessage.Ok(GetActionBody(action));
}
message.Headers.AddRange(headers);
// apply headers
foreach(XDoc header in action["header"]) {
message.Headers[header["@name"].Contents] = header.Contents;
}
// execute action
message = Plug.New(uri).Invoke(verb, message);
if(!message.IsSuccessful) {
break;
}
}
// prepare response
if(message == null) {
return XDoc.Empty;
}
XDoc result = new XMessage(message);
string ID = pipe["@ID"].Contents;
if(!string.IsNullOrEmpty(ID)) {
result.Root.Attr("ID", ID);
}
return result;
}
public Yield GetTest(DreamContext context, DreamMessage request, Result<DreamMessage> response)
{
int status = context.GetParam("status", (int)DreamStatus.Ok);
XDoc doc = new XMessage(request);
doc["status"].ReplaceValue(status.ToInvariantString());
doc.Elem("verb", context.Verb);
DreamMessage reply = new DreamMessage((DreamStatus)status, null, doc);
string cookieValue = context.GetParam("cookie", null);
if(cookieValue != null) {
reply.Cookies.Add(DreamCookie.NewSetCookie("test-cookie", cookieValue, Self.Uri, GlobalClock.UtcNow.AddHours(1.0)));
}
if(context.Verb.EqualsInvariant("HEAD")) {
reply = new DreamMessage(reply.Status, null, MimeType.XML, new byte[0]);
reply.Headers.ContentLength = doc.ToString().Length;
response.Return(reply);
} else {
response.Return(reply);
}
yield break;
}
