Chromecastの送信者は、アプリケーションがアクティブな間に自動的に接続を解除して再接続しますか？

Question

以下にいくつかのログを添付しました。なぜこのような自動切断と再接続が起こるのですか？

cast_receiver_framework.js:66 [140.285s] [cast.receiver.IpcChannel] Received message: {"data":"{\"reason\":\"`transport_closed`\",\"senderId\":\"0c131ea4-1bf8-5d01-4628-87b5e61bfb65.4:151299535132113693\",\"type\":\"`senderdisconnected`\"}","namespace":"urn:x-cast:com.google.cast.system","senderId":"SystemSender"} 
cast_receiver_framework.js:66 [140.287s] [cast.receiver.CastMessageBus] Dispatching CastMessageBus message 
cast_receiver_framework.js:66 [140.289s] [cast.receiver.CastReceiverManager] Dispatching sender disconnected event [0c131ea4-1bf8-5d01-4628-87b5e61bfb65.4:151299535132113693] Reason: unknown 
cast_receiver_framework.js:66 [140.292s] [cast.receiver.CastMessageBus] Unregistering sender [urn:x-cast:com.google.cast.debugoverlay, 0c131ea4-1bf8-5d01-4628-87b5e61bfb65.4:151299535132113693] 
cast_receiver_framework.js:66 [140.294s] [cast.receiver.CastMessageBus] Unregistering sender [urn:x-cast:com.google.cast.cac, 0c131ea4-1bf8-5d01-4628-87b5e61bfb65.4:151299535132113693] 
cast_receiver_framework.js:66 [140.296s] [cast.receiver.CastMessageBus] Unregistering sender [urn:x-cast:com.testapp.chrome.cast, 0c131ea4-1bf8-5d01-4628-87b5e61bfb65.4:151299535132113693] 
cast_receiver_framework.js:66 [140.298s] [cast.receiver.CastMessageBus] Unregistering sender [urn:x-cast:com.google.cast.broadcast, 0c131ea4-1bf8-5d01-4628-87b5e61bfb65.4:151299535132113693] 
cast_receiver_framework.js:66 [140.300s] [cast.receiver.CastMessageBus] Unregistering sender [urn:x-cast:com.google.cast.media, 0c131ea4-1bf8-5d01-4628-87b5e61bfb65.4:151299535132113693] 
cast_receiver_framework.js:66 [140.302s] [cast.receiver.CastMessageBus] Unregistering sender [urn:x-cast:com.google.cast.inject, 0c131ea4-1bf8-5d01-4628-87b5e61bfb65.4:151299535132113693] 
cast_receiver_framework.js:66 [140.305s] [cast.framework.Application] onSenderDisconnected 
cast_receiver_framework.js:66 [141.694s] [cast.receiver.IpcChannel] Received message: {"data":"{\"senderId\":\"0c131ea4-1bf8-5d01-4628-87b5e61bfb65.9:151299535132113693\",\"type\":\"`senderconnected`\",\"userAgent\":\"Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.94 Safari/537.36\"}","namespace":"urn:x-cast:com.google.cast.system","senderId":"SystemSender"} 
cast_receiver_framework.js:66 [141.695s] [cast.receiver.CastMessageBus] Dispatching CastMessageBus message 
cast_receiver_framework.js:66 [141.699s] [cast.receiver.CastReceiverManager] Dispatching CastReceiverManager sender connected event [0c131ea4-1bf8-5d01-4628-87b5e61bfb65.9:151299535132113693] 
cast_receiver_framework.js:66 [141.702s] [cast.receiver.CastMessageBus] Registering sender [urn:x-cast:com.google.cast.debugoverlay, 0c131ea4-1bf8-5d01-4628-87b5e61bfb65.9:151299535132113693] 
cast_receiver_framework.js:66 [141.704s] [cast.receiver.CastMessageBus] Registering sender [urn:x-cast:com.google.cast.cac, 0c131ea4-1bf8-5d01-4628-87b5e61bfb65.9:151299535132113693] 
cast_receiver_framework.js:66 [141.707s] [cast.receiver.CastMessageBus] Registering sender [urn:x-cast:com.trialapp.chrome.cast, 0c131ea4-1bf8-5d01-4628-87b5e61bfb65.9:151299535132113693] 
cast_receiver_framework.js:66 [141.709s] [cast.receiver.CastMessageBus] Registering sender [urn:x-cast:com.google.cast.broadcast, 0c131ea4-1bf8-5d01-4628-87b5e61bfb65.9:151299535132113693] 
cast_receiver_framework.js:66 [141.712s] [cast.receiver.CastMessageBus] Registering sender [urn:x-cast:com.google.cast.media, 0c131ea4-1bf8-5d01-4628-87b5e61bfb65.9:151299535132113693] 
cast_receiver_framework.js:66 [141.714s] [cast.receiver.CastMessageBus] Registering sender [urn:x-cast:com.google.cast.inject, 0c131ea4-1bf8-5d01-4628-87b5e61bfb65.9:151299535132113693] 
cast_receiver_framework.js:66 [142.496s] [cast.receiver.IpcChannel] Received message: {"data":"{\"type\":\"GET_STATUS\",\"requestId\":174390150}","namespace":"urn:x-cast:com.google.cast.media","senderId":"0c131ea4-1bf8-5d01-4628-87b5e61bfb65.9:sender-gf9htjf8syr5"} 
cast_receiver_framework.js:66 [142.498s] [cast.receiver.CastMessageBus] Dispatching CastMessageBus message 

Answer 1

接続が切断される原因はたくさんあります。通常、受信機が十分に高速に応答していない場合、ハートビート信号は送信機に到着せず、受信機を強制的に閉じて切断する。ローカルネットワーキングの問題でもありますが、一時的なネットワーキングの問題の場合、送信者は自動的に受信者に再接続します。