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(cobra client) send a websocket ping every 30s to keep the connection opened

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This commit is contained in:
Benjamin Sergeant
2019-12-24 17:16:41 -08:00
parent 33e7271b85
commit 5be84926ef
9 changed files with 36 additions and 3 deletions
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6
ixcobra/ixcobra/IXCobraConnection.cpp
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@ -24,6 +24,7 @@ namespace ix
PublishTrackerCallback CobraConnection::_publishTrackerCallback = nullptr;
constexpr size_t CobraConnection::kQueueMaxSize;
constexpr CobraConnection::MsgId CobraConnection::kInvalidMsgId;
constexpr int CobraConnection::kPingIntervalSecs;
CobraConnection::CobraConnection() :
_webSocket(new WebSocket()),
@ -228,6 +229,10 @@ namespace ix
ss << "HTTP Status: " << msg->errorInfo.http_status << std::endl;
invokeErrorCallback(ss.str(), std::string());
}
else if (msg->type == ix::WebSocketMessageType::Pong)
{
invokeEventCallback(ix::CobraConnection_EventType_Pong);
}
});
}
@ -260,6 +265,7 @@ namespace ix
_webSocket->setUrl(url);
_webSocket->setPerMessageDeflateOptions(webSocketPerMessageDeflateOptions);
_webSocket->setTLSOptions(socketTLSOptions);
_webSocket->setPingInterval(kPingIntervalSecs);
}
//

6
ixcobra/ixcobra/IXCobraConnection.h
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@ -30,7 +30,8 @@ namespace ix
CobraConnection_EventType_Closed = 3,
CobraConnection_EventType_Subscribed = 4,
CobraConnection_EventType_UnSubscribed = 5,
CobraConnection_EventType_Published = 6
CobraConnection_EventType_Published = 6,
CobraConnection_EventType_Pong = 7
};
enum CobraConnectionPublishMode
@ -215,6 +216,9 @@ namespace ix
// Each pdu sent should have an incremental unique id
std::atomic<uint64_t> _id;
// Frequency at which we send a websocket ping to the backing cobra connection
static constexpr int kPingIntervalSecs = 30;
};
} // namespace ix

4
ixcobra/ixcobra/IXCobraMetricsThreadedPublisher.cpp
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@ -65,6 +65,10 @@ namespace ix
{
ss << "Published message " << msgId << " acked";
}
else if (eventType == ix::CobraConnection_EventType_Pong)
{
ss << "Received websocket pong";
}
ix::IXCoreLogger::Log(ss.str().c_str());
});