Backport voice message support

Backported changes from master branch include:

72eb23f fix parsing for all events, overloading for specific needs
21bba7d fix parsing event payload in presence of '\n' chars, and include signal emit for voice status and cbl changes.
9f3896c voice: register for all vshl events on start up
0ff12f7 voice: remove vshl-capabilities dependencies
16c4429 voice: add status events to VshlCoreVoiceMessages.
da09164 voice: add initial support for voice agents configuration

Bug-AGL: SPEC-2981, SPEC-2880, SPEC-3060

Signed-off-by: Scott Murray <scott.murray@konsulko.com>
Change-Id: Ia75ff0c8d180324459fe8a2d8fb844b7b288d057

1 files changed, 115 insertions, 0 deletions

diff --git a/voice/voicemessage.cpp b/voice/voicemessage.cpp
new file mode 100644
index 0000000..493b04e
--- /dev/null
+++ b/voice/voicemessage.cpp
@@ -0,0 +1,115 @@
+/*
+ * Copyright (C) 2019 Konsulko Group
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <QDebug>
+#include <QJsonArray>
+#include <QJsonDocument>
+#include <QJsonObject>
+
+#include "voicemessage.h"
+
+bool VoiceMessage::createRequest(QString verb, QJsonObject parameter)
+{
+	if (!verbs.contains(verb))
+		return false;
+	return Message::createRequest("vshl-core", verb, parameter);
+}
+
+bool VoiceMessage::fromJDoc(QJsonDocument jdoc)
+{
+	// Validate message is array
+	if (!jdoc.isArray()) {
+		qWarning("Invalid appfw message: not an array");
+		return false;
+	}
+	QJsonArray msg = jdoc.array();
+
+	// Validate array is proper length
+	if ((msg.size() < 3) || (msg.size() > 4)) {
+		qWarning("Invalid appfw message: invalid array size");
+		return false;
+	}
+
+	// Validate msgid type
+	double msgid;
+	if (msg[0].isDouble()) {
+		msgid = msg[0].toDouble();
+	} else {
+		qWarning("Invalid appfw message: invalid msgid type");
+		return false;
+	}
+
+	// Validate msgid element
+	if ((msgid < Call) || (msgid > Event)) {
+		qWarning("Invalid appfw message: msgid out of range");
+		return false;
+	}
+
+	// Validate that the payload has a request object
+	QJsonObject payload;
+	if (msg[2].isObject()) {
+		payload = msg[2].toObject();
+	} else {
+		qWarning("Invalid appfw payload: no JSON object");
+		return false;
+	}
+
+	if ((msgid == RetOk) || (msgid == RetErr)) {
+		auto request_iter = payload.find("request");
+		auto request = request_iter.value().toObject();
+		if (request.empty()) {
+			qWarning("Invalid appfw reply message: empty request data");
+			return false;
+		}
+		auto status_iter = request.find("status");
+		auto info_iter = request.find("info");
+		auto response_iter = payload.find("response");
+		auto response = response_iter.value().toObject();
+		m_reply_status = status_iter.value().toString();
+		m_reply_info = info_iter.value().toString();
+		m_reply_data = response;
+		m_reply = true;
+	} else if (msgid == Event) {
+		// If event, save data object
+		auto data_iter = payload.find("data");
+		auto data = data_iter.value().toObject();
+		auto data_string = data_iter.value().toString();
+		if (!data_string.isEmpty())
+			data_string.remove('\n');
+
+		QJsonDocument datadoc = QJsonDocument::fromJson(data_string.toUtf8());
+		m_event_data = datadoc.object();
+
+		auto event_iter = payload.find("event");
+		auto event_string = event_iter.value().toString();
+		if (event_string.isEmpty()) {
+			qWarning("Invalid appfw event message: empty event name");
+			return false;
+		}
+		QStringList event_strings = event_string.split(QRegExp("/"));
+		if (event_strings.size() != 2) {
+			qWarning("Invalid appfw event message: malformed event name");
+			return false;
+		}
+		m_event_api = event_strings[0];
+		m_event_name = event_strings[1];
+		m_event = true;
+	}
+
+	m_jdoc = jdoc;
+	m_init = true;
+	return m_init;
+}