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/*
* Copyright (C) 2008-2012 Nokia Corporation.
* Copyright (C) 2012 Intel Corporation.
* Copyright (C) 2013 Cable Television Laboratories, Inc.
*
* Author: Zeeshan Ali (Khattak) <zeeshanak@gnome.org>
* <zeeshan.ali@nokia.com>
* Jens Georg <jensg@openismus.com>
* Craig Pratt <craig@ecaspia.com>
*
* This file is part of Rygel.
*
* Rygel is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* Rygel is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
using Soup;
public class Rygel.HTTPResponse : GLib.Object, Rygel.StateMachine {
public unowned Soup.Server server { get; private set; }
public Soup.Message msg;
public Cancellable cancellable { get; set; }
public HTTPSeekRequest seek;
public PlaySpeedRequest speed;
private SourceFunc run_continue;
private int _priority = -1;
public int priority {
get {
if (this._priority != -1) {
return this._priority;
}
var mode = this.msg.request_headers.get_one
("transferMode.dlna.org");
if (mode == null || mode == "Interactive") {
this._priority = Priority.DEFAULT;
} else if (mode == "Streaming") {
this._priority = Priority.HIGH;
} else if (mode == "Background") {
this._priority = Priority.LOW;
} else {
this._priority = Priority.DEFAULT;
}
return _priority;
}
}
private DataSource src;
private DataSink sink;
private bool unref_soup_server;
public HTTPResponse (HTTPGet request,
HTTPGetHandler request_handler,
DataSource src) throws Error {
this.server = request.server;
this.msg = request.msg;
this.cancellable = request_handler.cancellable;
this.seek = request.seek;
this.speed = request.speed_request;
this.src = src;
this.sink = new DataSink (this.src, this.server, this.msg, this.seek);
this.src.done.connect ( () => {
this.end (false, Status.NONE);
});
this.src.error.connect ( (error) => {
if (error is DataSourceError.SEEK_FAILED) {
this.end (false,
Status.REQUESTED_RANGE_NOT_SATISFIABLE);
} else {
this.end (false, Status.NONE);
}
});
if (this.cancellable != null) {
this.cancellable.cancelled.connect (this.on_cancelled);
}
this.msg.response_body.set_accumulate (false);
this.server.weak_ref (this.on_server_weak_ref);
this.unref_soup_server = true;
}
~HTTPResponse () {
if (this.unref_soup_server) {
this.server.weak_unref (this.on_server_weak_ref);
}
}
public Gee.List<HTTPResponseElement> ? preroll () throws Error {
return this.src.preroll (this.seek, this.speed);
}
public async void run () {
this.run_continue = run.callback;
try {
this.src.start ();
} catch (Error error) {
Idle.add (() => {
this.end (false, Status.NONE);
return false;
});
}
yield;
}
public virtual void end (bool aborted, uint status) {
this.src.stop ();
var encoding = this.msg.response_headers.get_encoding ();
if (!aborted && encoding != Encoding.CONTENT_LENGTH) {
this.msg.response_body.complete ();
this.server.unpause_message (this.msg);
}
if (this.run_continue != null) {
this.run_continue ();
}
if (status != Soup.Status.NONE) {
this.msg.set_status (status);
}
this.completed ();
}
private void on_cancelled (Cancellable cancellable) {
this.end (true, Soup.Status.CANCELLED);
}
private void on_server_weak_ref (GLib.Object object) {
this.unref_soup_server = false;
this.cancellable.cancel ();
}
}
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