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https://gitlab.com/xmpp-rs/xmpp-rs.git
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654 lines
23 KiB
Rust
654 lines
23 KiB
Rust
// Copyright (c) 2017 Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
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//
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this
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// file, You can obtain one at http://mozilla.org/MPL/2.0/.
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#![allow(missing_docs)]
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use try_from::TryFrom;
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use std::str::FromStr;
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use minidom::Element;
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use jid::Jid;
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use error::Error;
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use ns;
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use iq::IqSetPayload;
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generate_attribute!(
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/// The action attribute.
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Action, "action", {
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/// Accept a content-add action received from another party.
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ContentAccept => "content-accept",
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/// Add one or more new content definitions to the session.
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ContentAdd => "content-add",
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/// Change the directionality of media sending.
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ContentModify => "content-modify",
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/// Reject a content-add action received from another party.
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ContentReject => "content-reject",
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/// Remove one or more content definitions from the session.
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ContentRemove => "content-remove",
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/// Exchange information about parameters for an application type.
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DescriptionInfo => "description-info",
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/// Exchange information about security preconditions.
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SecurityInfo => "security-info",
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/// Definitively accept a session negotiation.
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SessionAccept => "session-accept",
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/// Send session-level information, such as a ping or a ringing message.
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SessionInfo => "session-info",
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/// Request negotiation of a new Jingle session.
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SessionInitiate => "session-initiate",
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/// End an existing session.
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SessionTerminate => "session-terminate",
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/// Accept a transport-replace action received from another party.
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TransportAccept => "transport-accept",
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/// Exchange transport candidates.
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TransportInfo => "transport-info",
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/// Reject a transport-replace action received from another party.
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TransportReject => "transport-reject",
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/// Redefine a transport method or replace it with a different method.
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TransportReplace => "transport-replace",
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}
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);
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generate_attribute!(
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/// Which party originally generated the content type.
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Creator, "creator", {
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/// This content was created by the initiator of this session.
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Initiator => "initiator",
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/// This content was created by the responder of this session.
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Responder => "responder",
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}
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);
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generate_attribute!(
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/// Which parties in the session will be generating content.
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Senders, "senders", {
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/// Both parties can send for this content.
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Both => "both",
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/// Only the initiator can send for this content.
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Initiator => "initiator",
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/// No one can send for this content.
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None => "none",
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/// Only the responder can send for this content.
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Responder => "responder",
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}, Default = Both
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);
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generate_attribute!(
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/// How the content definition is to be interpreted by the recipient. The
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/// meaning of this attribute matches the "Content-Disposition" header as
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/// defined in RFC 2183 and applied to SIP by RFC 3261.
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///
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/// Possible values are defined here:
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/// https://www.iana.org/assignments/cont-disp/cont-disp.xhtml
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Disposition, "disposition", {
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/// Displayed automatically.
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Inline => "inline",
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/// User controlled display.
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Attachment => "attachment",
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/// Process as form response.
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FormData => "form-data",
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/// Tunneled content to be processed silently.
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Signal => "signal",
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/// The body is a custom ring tone to alert the user.
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Alert => "alert",
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/// The body is displayed as an icon to the user.
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Icon => "icon",
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/// The body should be displayed to the user.
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Render => "render",
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/// The body contains a list of URIs that indicates the recipients of
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/// the request.
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RecipientListHistory => "recipient-list-history",
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/// The body describes a communications session, for example, an
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/// RFC2327 SDP body.
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Session => "session",
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/// Authenticated Identity Body.
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Aib => "aib",
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/// The body describes an early communications session, for example,
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/// and [RFC2327] SDP body.
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EarlySession => "early-session",
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/// The body includes a list of URIs to which URI-list services are to
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/// be applied.
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RecipientList => "recipient-list",
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/// The payload of the message carrying this Content-Disposition header
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/// field value is an Instant Message Disposition Notification as
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/// requested in the corresponding Instant Message.
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Notification => "notification",
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/// The body needs to be handled according to a reference to the body
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/// that is located in the same SIP message as the body.
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ByReference => "by-reference",
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/// The body contains information associated with an Info Package.
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InfoPackage => "info-package",
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/// The body describes either metadata about the RS or the reason for
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/// the metadata snapshot request as determined by the MIME value
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/// indicated in the Content-Type.
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RecordingSession => "recording-session",
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}, Default = Session
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);
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generate_id!(
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/// An unique identifier in a session, referencing a
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/// [struct.Content.html](Content element).
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ContentId
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);
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generate_element!(
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Content, "content", JINGLE,
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attributes: [
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/// Who created this content.
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creator: Creator = "creator" => required,
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/// How the content definition is to be interpreted by the recipient.
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disposition: Disposition = "disposition" => default,
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/// A per-session unique identifier for this content.
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name: ContentId = "name" => required,
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/// Who can send data for this content.
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senders: Senders = "senders" => default
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],
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children: [
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description: Option<Element> = ("description", JINGLE) => Element,
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transport: Option<Element> = ("transport", JINGLE) => Element,
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security: Option<Element> = ("security", JINGLE) => Element
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]
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);
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impl Content {
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pub fn new(creator: Creator, name: ContentId) -> Content {
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Content {
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creator,
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name,
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disposition: Disposition::Session,
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senders: Senders::Both,
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description: None,
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transport: None,
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security: None,
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}
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}
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pub fn with_disposition(mut self, disposition: Disposition) -> Content {
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self.disposition = disposition;
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self
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}
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pub fn with_senders(mut self, senders: Senders) -> Content {
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self.senders = senders;
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self
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}
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pub fn with_description(mut self, description: Element) -> Content {
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self.description = Some(description);
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self
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}
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pub fn with_transport(mut self, transport: Element) -> Content {
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self.transport = Some(transport);
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self
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}
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pub fn with_security(mut self, security: Element) -> Content {
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self.security = Some(security);
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self
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}
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}
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#[derive(Debug, Clone, PartialEq)]
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pub enum Reason {
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/// The party prefers to use an existing session with the peer rather than
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/// initiate a new session; the Jingle session ID of the alternative
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/// session SHOULD be provided as the XML character data of the <sid/>
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/// child.
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AlternativeSession, //(String),
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/// The party is busy and cannot accept a session.
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Busy,
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/// The initiator wishes to formally cancel the session initiation request.
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Cancel,
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/// The action is related to connectivity problems.
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ConnectivityError,
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/// The party wishes to formally decline the session.
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Decline,
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/// The session length has exceeded a pre-defined time limit (e.g., a
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/// meeting hosted at a conference service).
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Expired,
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/// The party has been unable to initialize processing related to the
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/// application type.
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FailedApplication,
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/// The party has been unable to establish connectivity for the transport
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/// method.
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FailedTransport,
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/// The action is related to a non-specific application error.
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GeneralError,
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/// The entity is going offline or is no longer available.
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Gone,
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/// The party supports the offered application type but does not support
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/// the offered or negotiated parameters.
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IncompatibleParameters,
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/// The action is related to media processing problems.
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MediaError,
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/// The action is related to a violation of local security policies.
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SecurityError,
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/// The action is generated during the normal course of state management
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/// and does not reflect any error.
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Success,
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/// A request has not been answered so the sender is timing out the
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/// request.
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Timeout,
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/// The party supports none of the offered application types.
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UnsupportedApplications,
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/// The party supports none of the offered transport methods.
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UnsupportedTransports,
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}
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impl FromStr for Reason {
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type Err = Error;
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fn from_str(s: &str) -> Result<Reason, Error> {
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Ok(match s {
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"alternative-session" => Reason::AlternativeSession,
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"busy" => Reason::Busy,
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"cancel" => Reason::Cancel,
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"connectivity-error" => Reason::ConnectivityError,
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"decline" => Reason::Decline,
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"expired" => Reason::Expired,
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"failed-application" => Reason::FailedApplication,
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"failed-transport" => Reason::FailedTransport,
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"general-error" => Reason::GeneralError,
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"gone" => Reason::Gone,
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"incompatible-parameters" => Reason::IncompatibleParameters,
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"media-error" => Reason::MediaError,
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"security-error" => Reason::SecurityError,
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"success" => Reason::Success,
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"timeout" => Reason::Timeout,
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"unsupported-applications" => Reason::UnsupportedApplications,
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"unsupported-transports" => Reason::UnsupportedTransports,
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_ => return Err(Error::ParseError("Unknown reason.")),
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})
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}
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}
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impl From<Reason> for Element {
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fn from(reason: Reason) -> Element {
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Element::builder(match reason {
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Reason::AlternativeSession => "alternative-session",
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Reason::Busy => "busy",
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Reason::Cancel => "cancel",
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Reason::ConnectivityError => "connectivity-error",
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Reason::Decline => "decline",
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Reason::Expired => "expired",
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Reason::FailedApplication => "failed-application",
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Reason::FailedTransport => "failed-transport",
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Reason::GeneralError => "general-error",
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Reason::Gone => "gone",
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Reason::IncompatibleParameters => "incompatible-parameters",
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Reason::MediaError => "media-error",
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Reason::SecurityError => "security-error",
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Reason::Success => "success",
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Reason::Timeout => "timeout",
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Reason::UnsupportedApplications => "unsupported-applications",
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Reason::UnsupportedTransports => "unsupported-transports",
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}).build()
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}
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}
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#[derive(Debug, Clone)]
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pub struct ReasonElement {
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pub reason: Reason,
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pub text: Option<String>,
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}
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impl TryFrom<Element> for ReasonElement {
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type Err = Error;
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fn try_from(elem: Element) -> Result<ReasonElement, Error> {
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check_self!(elem, "reason", JINGLE);
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let mut reason = None;
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let mut text = None;
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for child in elem.children() {
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if !child.has_ns(ns::JINGLE) {
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return Err(Error::ParseError("Reason contains a foreign element."));
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}
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match child.name() {
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"text" => {
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if text.is_some() {
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return Err(Error::ParseError("Reason must not have more than one text."));
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}
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text = Some(child.text());
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},
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name => {
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if reason.is_some() {
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return Err(Error::ParseError("Reason must not have more than one reason."));
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}
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reason = Some(name.parse()?);
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},
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}
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}
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let reason = reason.ok_or(Error::ParseError("Reason doesn’t contain a valid reason."))?;
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Ok(ReasonElement {
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reason: reason,
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text: text,
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})
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}
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}
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impl From<ReasonElement> for Element {
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fn from(reason: ReasonElement) -> Element {
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Element::builder("reason")
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.append(Element::from(reason.reason))
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.append(reason.text)
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.build()
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}
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}
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generate_id!(
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/// Unique identifier for a session between two JIDs.
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SessionId
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);
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#[derive(Debug, Clone)]
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pub struct Jingle {
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pub action: Action,
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pub initiator: Option<Jid>,
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pub responder: Option<Jid>,
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pub sid: SessionId,
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pub contents: Vec<Content>,
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pub reason: Option<ReasonElement>,
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pub other: Vec<Element>,
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}
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impl IqSetPayload for Jingle {}
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impl Jingle {
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pub fn new(action: Action, sid: SessionId) -> Jingle {
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Jingle {
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action: action,
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sid: sid,
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initiator: None,
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responder: None,
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contents: Vec::new(),
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reason: None,
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other: Vec::new(),
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}
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}
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pub fn with_initiator(mut self, initiator: Jid) -> Jingle {
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self.initiator = Some(initiator);
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self
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}
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pub fn with_responder(mut self, responder: Jid) -> Jingle {
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self.responder = Some(responder);
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self
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}
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pub fn add_content(mut self, content: Content) -> Jingle {
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self.contents.push(content);
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self
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}
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pub fn set_reason(mut self, content: Content) -> Jingle {
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self.contents.push(content);
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self
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}
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}
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impl TryFrom<Element> for Jingle {
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type Err = Error;
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fn try_from(root: Element) -> Result<Jingle, Error> {
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check_self!(root, "jingle", JINGLE, "Jingle");
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check_no_unknown_attributes!(root, "Jingle", ["action", "initiator", "responder", "sid"]);
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let mut jingle = Jingle {
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action: get_attr!(root, "action", required),
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initiator: get_attr!(root, "initiator", optional),
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responder: get_attr!(root, "responder", optional),
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sid: get_attr!(root, "sid", required),
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contents: vec!(),
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reason: None,
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other: vec!(),
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};
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for child in root.children().cloned() {
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if child.is("content", ns::JINGLE) {
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let content = Content::try_from(child)?;
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jingle.contents.push(content);
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} else if child.is("reason", ns::JINGLE) {
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if jingle.reason.is_some() {
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return Err(Error::ParseError("Jingle must not have more than one reason."));
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}
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let reason = ReasonElement::try_from(child)?;
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jingle.reason = Some(reason);
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} else {
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jingle.other.push(child);
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}
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}
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Ok(jingle)
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}
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}
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impl From<Jingle> for Element {
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fn from(jingle: Jingle) -> Element {
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Element::builder("jingle")
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.ns(ns::JINGLE)
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.attr("action", jingle.action)
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.attr("initiator", jingle.initiator)
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.attr("responder", jingle.responder)
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.attr("sid", jingle.sid)
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.append(jingle.contents)
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.append(jingle.reason)
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.build()
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}
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn test_simple() {
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let elem: Element = "<jingle xmlns='urn:xmpp:jingle:1' action='session-initiate' sid='coucou'/>".parse().unwrap();
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let jingle = Jingle::try_from(elem).unwrap();
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assert_eq!(jingle.action, Action::SessionInitiate);
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assert_eq!(jingle.sid, SessionId(String::from("coucou")));
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}
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#[test]
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fn test_invalid_jingle() {
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let elem: Element = "<jingle xmlns='urn:xmpp:jingle:1'/>".parse().unwrap();
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let error = Jingle::try_from(elem).unwrap_err();
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let message = match error {
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Error::ParseError(string) => string,
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_ => panic!(),
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};
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assert_eq!(message, "Required attribute 'action' missing.");
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let elem: Element = "<jingle xmlns='urn:xmpp:jingle:1' action='session-info'/>".parse().unwrap();
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let error = Jingle::try_from(elem).unwrap_err();
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let message = match error {
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Error::ParseError(string) => string,
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_ => panic!(),
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};
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assert_eq!(message, "Required attribute 'sid' missing.");
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let elem: Element = "<jingle xmlns='urn:xmpp:jingle:1' action='coucou' sid='coucou'/>".parse().unwrap();
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let error = Jingle::try_from(elem).unwrap_err();
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let message = match error {
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Error::ParseError(string) => string,
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_ => panic!(),
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};
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assert_eq!(message, "Unknown value for 'action' attribute.");
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}
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#[test]
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fn test_content() {
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let elem: Element = "<jingle xmlns='urn:xmpp:jingle:1' action='session-initiate' sid='coucou'><content creator='initiator' name='coucou'><description/><transport/></content></jingle>".parse().unwrap();
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let jingle = Jingle::try_from(elem).unwrap();
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assert_eq!(jingle.contents[0].creator, Creator::Initiator);
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assert_eq!(jingle.contents[0].name, ContentId(String::from("coucou")));
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assert_eq!(jingle.contents[0].senders, Senders::Both);
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assert_eq!(jingle.contents[0].disposition, Disposition::Session);
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let elem: Element = "<jingle xmlns='urn:xmpp:jingle:1' action='session-initiate' sid='coucou'><content creator='initiator' name='coucou' senders='both'><description/><transport/></content></jingle>".parse().unwrap();
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let jingle = Jingle::try_from(elem).unwrap();
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assert_eq!(jingle.contents[0].senders, Senders::Both);
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let elem: Element = "<jingle xmlns='urn:xmpp:jingle:1' action='session-initiate' sid='coucou'><content creator='initiator' name='coucou' disposition='early-session'><description/><transport/></content></jingle>".parse().unwrap();
|
||
let jingle = Jingle::try_from(elem).unwrap();
|
||
assert_eq!(jingle.contents[0].disposition, Disposition::EarlySession);
|
||
}
|
||
|
||
#[test]
|
||
fn test_invalid_content() {
|
||
let elem: Element = "<jingle xmlns='urn:xmpp:jingle:1' action='session-initiate' sid='coucou'><content/></jingle>".parse().unwrap();
|
||
let error = Jingle::try_from(elem).unwrap_err();
|
||
let message = match error {
|
||
Error::ParseError(string) => string,
|
||
_ => panic!(),
|
||
};
|
||
assert_eq!(message, "Required attribute 'creator' missing.");
|
||
|
||
let elem: Element = "<jingle xmlns='urn:xmpp:jingle:1' action='session-initiate' sid='coucou'><content creator='initiator'/></jingle>".parse().unwrap();
|
||
let error = Jingle::try_from(elem).unwrap_err();
|
||
let message = match error {
|
||
Error::ParseError(string) => string,
|
||
_ => panic!(),
|
||
};
|
||
assert_eq!(message, "Required attribute 'name' missing.");
|
||
|
||
let elem: Element = "<jingle xmlns='urn:xmpp:jingle:1' action='session-initiate' sid='coucou'><content creator='coucou' name='coucou'/></jingle>".parse().unwrap();
|
||
let error = Jingle::try_from(elem).unwrap_err();
|
||
let message = match error {
|
||
Error::ParseError(string) => string,
|
||
_ => panic!(),
|
||
};
|
||
assert_eq!(message, "Unknown value for 'creator' attribute.");
|
||
|
||
let elem: Element = "<jingle xmlns='urn:xmpp:jingle:1' action='session-initiate' sid='coucou'><content creator='initiator' name='coucou' senders='coucou'/></jingle>".parse().unwrap();
|
||
let error = Jingle::try_from(elem).unwrap_err();
|
||
let message = match error {
|
||
Error::ParseError(string) => string,
|
||
_ => panic!(),
|
||
};
|
||
assert_eq!(message, "Unknown value for 'senders' attribute.");
|
||
|
||
let elem: Element = "<jingle xmlns='urn:xmpp:jingle:1' action='session-initiate' sid='coucou'><content creator='initiator' name='coucou' senders=''/></jingle>".parse().unwrap();
|
||
let error = Jingle::try_from(elem).unwrap_err();
|
||
let message = match error {
|
||
Error::ParseError(string) => string,
|
||
_ => panic!(),
|
||
};
|
||
assert_eq!(message, "Unknown value for 'senders' attribute.");
|
||
}
|
||
|
||
#[test]
|
||
fn test_reason() {
|
||
let elem: Element = "<jingle xmlns='urn:xmpp:jingle:1' action='session-initiate' sid='coucou'><reason><success/></reason></jingle>".parse().unwrap();
|
||
let jingle = Jingle::try_from(elem).unwrap();
|
||
let reason = jingle.reason.unwrap();
|
||
assert_eq!(reason.reason, Reason::Success);
|
||
assert_eq!(reason.text, None);
|
||
|
||
let elem: Element = "<jingle xmlns='urn:xmpp:jingle:1' action='session-initiate' sid='coucou'><reason><success/><text>coucou</text></reason></jingle>".parse().unwrap();
|
||
let jingle = Jingle::try_from(elem).unwrap();
|
||
let reason = jingle.reason.unwrap();
|
||
assert_eq!(reason.reason, Reason::Success);
|
||
assert_eq!(reason.text, Some(String::from("coucou")));
|
||
}
|
||
|
||
#[test]
|
||
fn test_invalid_reason() {
|
||
let elem: Element = "<jingle xmlns='urn:xmpp:jingle:1' action='session-initiate' sid='coucou'><reason/></jingle>".parse().unwrap();
|
||
let error = Jingle::try_from(elem).unwrap_err();
|
||
let message = match error {
|
||
Error::ParseError(string) => string,
|
||
_ => panic!(),
|
||
};
|
||
assert_eq!(message, "Reason doesn’t contain a valid reason.");
|
||
|
||
let elem: Element = "<jingle xmlns='urn:xmpp:jingle:1' action='session-initiate' sid='coucou'><reason><a/></reason></jingle>".parse().unwrap();
|
||
let error = Jingle::try_from(elem).unwrap_err();
|
||
let message = match error {
|
||
Error::ParseError(string) => string,
|
||
_ => panic!(),
|
||
};
|
||
assert_eq!(message, "Unknown reason.");
|
||
|
||
let elem: Element = "<jingle xmlns='urn:xmpp:jingle:1' action='session-initiate' sid='coucou'><reason><a xmlns='http://www.w3.org/1999/xhtml'/></reason></jingle>".parse().unwrap();
|
||
let error = Jingle::try_from(elem).unwrap_err();
|
||
let message = match error {
|
||
Error::ParseError(string) => string,
|
||
_ => panic!(),
|
||
};
|
||
assert_eq!(message, "Reason contains a foreign element.");
|
||
|
||
let elem: Element = "<jingle xmlns='urn:xmpp:jingle:1' action='session-initiate' sid='coucou'><reason><decline/></reason><reason/></jingle>".parse().unwrap();
|
||
let error = Jingle::try_from(elem).unwrap_err();
|
||
let message = match error {
|
||
Error::ParseError(string) => string,
|
||
_ => panic!(),
|
||
};
|
||
assert_eq!(message, "Jingle must not have more than one reason.");
|
||
|
||
let elem: Element = "<jingle xmlns='urn:xmpp:jingle:1' action='session-initiate' sid='coucou'><reason><decline/><text/><text/></reason></jingle>".parse().unwrap();
|
||
let error = Jingle::try_from(elem).unwrap_err();
|
||
let message = match error {
|
||
Error::ParseError(string) => string,
|
||
_ => panic!(),
|
||
};
|
||
assert_eq!(message, "Reason must not have more than one text.");
|
||
}
|
||
}
|