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Add event handler for m.call.candidates

This commit is contained in:
Gergely Polonkai 2016-03-09 10:04:44 +01:00 committed by Gergely Polonkai
parent be8910b8be
commit 399105d961
4 changed files with 179 additions and 0 deletions
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1
.gitignore vendored
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@ -76,3 +76,4 @@ Makefile.in
/src/matrix-event-room-redaction.c
/src/matrix-event-room-third-party-invite.c
/src/matrix-event-call-invite.c
/src/matrix-event-call-candidates.c

1
src/Makefile.am
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@ -46,6 +46,7 @@ libmatrix_glib_0_0_la_VALA_SOURCES = \
matrix-event-room-redaction.vala \
matrix-event-room-third-party-invite.vala \
matrix-event-call-invite.vala \
matrix-event-call-candidates.vala \
$(NULL)
AM_CPPFLAGS += \

174
src/matrix-event-call-candidates.vala Normal file
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@ -0,0 +1,174 @@
/*
* This file is part of matrix-glib-sdk
*
* matrix-glib-sdk 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 3 of the License, or (at your option) any later version.
*
* matrix-glib-sdk 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 matrix-glib-sdk. If not, see
* <http://www.gnu.org/licenses/>.
*/
/**
* This event is sent by callers after sending an invite and by the
* callee after answering. Its purpose is to give the other party
* additional ICE candidates to try using to communicate.
*/
public class Matrix.Event.CallCandidates : Matrix.Event.Room {
public struct Candidate {
string? sdp_mid; /// The SDP media type this candidate is
/// intended for.
int? sdp_line_index; /// The index of the SDP 'm' line this
/// candidate is intended for.
string? candidate; /// The SDP 'a' line of the candidate.
}
/**
* The ID of the call this event relates to.
*/
public string? call_id { get; set; default = null; }
/**
* The list of candidates.
*/
public List<Candidate?>? candidates {
get {
return _candidates;
}
set {
_candidates = value.copy();
}
default = null;
}
public int? version { get; set; default = null; }
private List<Candidate?>? _candidates;
protected override void
from_json(Json.Node json_data)
throws Matrix.Error
{
var content_root = json_data.get_object()
.get_member("content").get_object();
Json.Node? node;
if ((node = content_root.get_member("call_id")) != null) {
_call_id = node.get_string();
} else {
warning("content.call_id is missing from a m.call.candidates event");
}
if ((node = content_root.get_member("candidates")) != null) {
node.get_array().foreach_element((ary, idx, cand_node) => {
var cand_root = cand_node.get_object();
var cand = Candidate();
if ((node = cand_root.get_member("sdpMid")) != null) {
cand.sdp_mid = node.get_string();
} else {
warning("sdpMid is missing from a candidate of a m.call.candidates event");
}
if ((node = cand_root.get_member("sdpMLineIndex")) != null) {
cand.sdp_line_index = (int)node.get_int();
} else {
warning("sdpMLineIndex is missing from a candidate of a m.call.candidates event");
}
if ((node = cand_root.get_member("candidate")) != null) {
cand.candidate = node.get_string();
} else {
warning("candidate is missing from a candidate of a m.call.candidates event");
}
_candidates.prepend(cand);
});
} else {
warning("content.candidates is missing from a m.call.candidates event");
}
if ((node = content_root.get_member("version")) != null) {
_version = (int)node.get_int();
} else {
warning("content.version is missing from a m.call.candidates event");
}
base.from_json(json_data);
}
protected override void
to_json(Json.Node json_data)
throws Matrix.Error
{
if (_call_id == null) {
throw new Matrix.Error.INCOMPLETE(
"Won't generate a m.call.candidates event without call_id");
}
if (_version == null) {
throw new Matrix.Error.INCOMPLETE(
"Won't generate a m.call.candidates event without version");
}
if ((_candidates == null) || (_candidates.length() < 1)) {
throw new Matrix.Error.INCOMPLETE(
"Won't generate a m.call.candidates event without candidates");
}
var content_root = json_data.get_object()
.get_member("content").get_object();
content_root.set_string_member("call_id", _call_id);
content_root.set_int_member("version", _version);
var cands = new Json.Array();
foreach (var entry in _candidates) {
if (entry.sdp_mid == null) {
throw new Matrix.Error.INCOMPLETE(
"Won't generate a m.call.candidates event with a missing sdpMid for candidates");
}
if (entry.sdp_line_index == null) {
throw new Matrix.Error.INCOMPLETE(
"Won't generate a m.call.candidates event with a missing sdpMLineIndex for candidates");
}
if (entry.candidate == null) {
throw new Matrix.Error.INCOMPLETE(
"Won't generate a m.call.candidates event with a missing candidate for candidates");
}
var cand_obj = new Json.Object();
var cand_node = new Json.Node(Json.NodeType.OBJECT);
cand_node.set_object(cand_obj);
cand_obj.set_string_member("sdpMid", entry.sdp_mid);
cand_obj.set_int_member("sdpMLineIndex", entry.sdp_line_index);
cand_obj.set_string_member("candidate", entry.candidate);
cands.add_element(cand_node);
}
if (cands.get_length() < 1) {
throw new Matrix.Error.INCOMPLETE(
"Won't generate a m.call.candidates event with empty candidates list");
}
var cands_node = new Json.Node(Json.NodeType.ARRAY);
cands_node.set_array(cands);
content_root.set_member("candidates", cands_node);
base.to_json(json_data);
}
}

3
src/matrix-event-types.c
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@ -212,6 +212,9 @@ matrix_event_types_ctor(void)
matrix_event_register_type("m.call.invite",
MATRIX_EVENT_TYPE_CALL_INVITE,
NULL);
matrix_event_register_type("m.call.candidates",
MATRIX_EVENT_TYPE_CALL_CANDIDATES,
NULL);
}
void