Implement network load visualizationhalibut_7.99.1halibut/7.99.17.99.1

Implement network load visualization in TaskManager as a complement
to the System tab. It shows in/out network activity graph basing on
the info provided by the backend.

Bug-AGL: SPEC-2403
Signed-off-by: Vitaly Wool <vitaly.wool@konsulko.com>
Change-Id: I7d6b4f25424bd3ee1bfc12e9b084a021df289992

1 files changed, 19 insertions, 0 deletions

diff --git a/app/taskmanager.cpp b/app/taskmanager.cpp
index 5726388..fb81098 100644
--- a/app/taskmanager.cpp
+++ b/app/taskmanager.cpp
@@ -49,6 +49,7 @@ void TaskManager::loadAvg() {
 void TaskManager::query() {
 	callService("get_process_list",
 		QJsonValue(QJsonObject({{"processes", QJsonValue()}})));
+	callService("get_netstat", QJsonValue());
 }
 
 void TaskManager::callService(const QString& command, QJsonValue value) {
@@ -84,6 +85,10 @@ void TaskManager::ProcessResponse(Message *message)
 		QJsonObject loadInfo = message->replyData()["loadInfo"].toObject();
 		ProcessResponseLoadAvg(loadInfo);
 	}
+	if (QString::compare(msgType, "netStatInfo") == 0) {
+		QJsonObject netstat = message->replyData()["netstat"].toObject();
+		ProcessResponseNetStat(netstat);
+	}
 	// more response types to follow
 }
 
@@ -166,3 +171,17 @@ void TaskManager::ProcessResponseLoadAvg(QJsonObject &loadInfo)
 
 	emit updateLoadAverage(loadInfo["value"].toDouble());
 }
+
+void TaskManager::ProcessResponseNetStat(QJsonObject &netstat)
+{
+	if (netstat.size() == 0) {
+		return;
+	}
+
+	unsigned int newInOctets = netstat["InOctets"].toInt();
+	unsigned int newOutOctets = netstat["OutOctets"].toInt();
+
+	emit updateNetworkStats(newInOctets - inOctets, newOutOctets - outOctets);
+	inOctets = newInOctets;
+	outOctets = newOutOctets;
+}