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Removed HTTP join procedure; rehashed reconnects

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This commit is contained in:
Heath Volmer
2018-09-10 13:00:03 -06:00
parent f17b62844d
commit a0a83a1af7
1 changed files with 206 additions and 172 deletions
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378
PepperDashEssentials/AppServer/CotijaSystemController.cs
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@@ -23,7 +23,7 @@ namespace PepperDash.Essentials
{ {
WebSocketClient WSClient; WebSocketClient WSClient;
bool LinkUp; //bool LinkUp;
/// <summary> /// <summary>
/// Prevents post operations from stomping on each other and getting lost /// Prevents post operations from stomping on each other and getting lost
@@ -84,8 +84,12 @@ namespace PepperDash.Essentials
CrestronConsole.AddNewConsoleCommand(TestHttpRequest, CrestronConsole.AddNewConsoleCommand(TestHttpRequest,
"mobilehttprequest", "Tests an HTTP get to URL given", ConsoleAccessLevelEnum.AccessOperator); "mobilehttprequest", "Tests an HTTP get to URL given", ConsoleAccessLevelEnum.AccessOperator);
CrestronConsole.AddNewConsoleCommand(PrintActionDictionaryPaths, "showactionpaths", "Prints the paths in teh Action Dictionary", ConsoleAccessLevelEnum.AccessOperator); CrestronConsole.AddNewConsoleCommand(PrintActionDictionaryPaths, "mobileshowactionpaths",
"Prints the paths in teh Action Dictionary", ConsoleAccessLevelEnum.AccessOperator);
CrestronConsole.AddNewConsoleCommand(s => ConnectStreamClient(), "mobileconnect",
"Forces connect of websocket", ConsoleAccessLevelEnum.AccessOperator);
CrestronConsole.AddNewConsoleCommand(s => DisconnectWebsocketClient(), "mobiledisco",
"Disconnects websocket", ConsoleAccessLevelEnum.AccessOperator);
CrestronEnvironment.ProgramStatusEventHandler += new ProgramStatusEventHandler(CrestronEnvironment_ProgramStatusEventHandler); CrestronEnvironment.ProgramStatusEventHandler += new ProgramStatusEventHandler(CrestronEnvironment_ProgramStatusEventHandler);
CrestronEnvironment.EthernetEventHandler += new EthernetEventHandler(CrestronEnvironment_EthernetEventHandler); CrestronEnvironment.EthernetEventHandler += new EthernetEventHandler(CrestronEnvironment_EthernetEventHandler);
@@ -101,10 +105,10 @@ namespace PepperDash.Essentials
Debug.Console(1, this, Debug.ErrorLogLevel.Warning, "Ethernet status change, port {0}: {1}", Debug.Console(1, this, Debug.ErrorLogLevel.Warning, "Ethernet status change, port {0}: {1}",
ethernetEventArgs.EthernetAdapter, ethernetEventArgs.EthernetEventType); ethernetEventArgs.EthernetAdapter, ethernetEventArgs.EthernetEventType);
if (ethernetEventArgs.EthernetEventType == eEthernetEventType.LinkDown) //if (ethernetEventArgs.EthernetEventType == eEthernetEventType.LinkDown)
{ //{
LinkUp = false; // LinkUp = false;
} //}
} }
/// <summary> /// <summary>
@@ -115,11 +119,7 @@ namespace PepperDash.Essentials
{ {
if (programEventType == eProgramStatusEventType.Stopping && WSClient.Connected) if (programEventType == eProgramStatusEventType.Stopping && WSClient.Connected)
{ {
SendMessageToServer(JObject.FromObject( new DisconnectWebsocketClient();
{
type = "/system/close"
}));
} }
} }
@@ -299,56 +299,181 @@ namespace PepperDash.Essentials
/// <param name="url">URL of the server, including the port number, if not 80. Format: "serverUrlOrIp:port"</param> /// <param name="url">URL of the server, including the port number, if not 80. Format: "serverUrlOrIp:port"</param>
void RegisterSystemToServer() void RegisterSystemToServer()
{ {
var ready = RegisterLockEvent.Wait(20000); ConnectStreamClient();
if (!ready) return;
{
Debug.Console(1, this, "RegisterSystemToServer event failed to clear after 20 seconds. Ignoring");
//return;
}
RegisterLockEvent.Reset();
try //var ready = RegisterLockEvent.Wait(20000);
{ //if (!ready)
var confObject = ConfigReader.ConfigObject; //{
confObject.Info.RuntimeInfo.AppName = Assembly.GetExecutingAssembly().GetName().Name; // Debug.Console(1, this, "RegisterSystemToServer event failed to clear after 20 seconds. Ignoring");
var version = Assembly.GetExecutingAssembly().GetName().Version; // //return;
confObject.Info.RuntimeInfo.AssemblyVersion = string.Format("{0}.{1}.{2}", version.Major, version.Minor, version.Build); //}
//RegisterLockEvent.Reset();
string postBody = JsonConvert.SerializeObject(confObject); //try
SystemUuid = confObject.SystemUuid; //{
// var confObject = ConfigReader.ConfigObject;
// confObject.Info.RuntimeInfo.AppName = Assembly.GetExecutingAssembly().GetName().Name;
// var version = Assembly.GetExecutingAssembly().GetName().Version;
// confObject.Info.RuntimeInfo.AssemblyVersion = string.Format("{0}.{1}.{2}", version.Major, version.Minor, version.Build);
if (string.IsNullOrEmpty(postBody)) // string postBody = JsonConvert.SerializeObject(confObject);
{ // SystemUuid = confObject.SystemUuid;
Debug.Console(1, this, "ERROR: Config body is empty. Cannot register with server.");
}
else
{
var regClient = new HttpClient();
regClient.Verbose = true;
regClient.KeepAlive = true;
string url = string.Format("http://{0}/api/system/join/{1}", Config.ServerUrl, SystemUuid); // if (string.IsNullOrEmpty(postBody))
Debug.Console(1, this, "Joining server at {0}", url); // {
// Debug.Console(1, this, "ERROR: Config body is empty. Cannot register with server.");
// }
// else
// {
// var regClient = new HttpClient();
// regClient.Verbose = true;
// regClient.KeepAlive = true;
HttpClientRequest request = new HttpClientRequest(); // string url = string.Format("http://{0}/api/system/join/{1}", Config.ServerUrl, SystemUuid);
request.Url.Parse(url); // Debug.Console(1, this, "Joining server at {0}", url);
request.RequestType = RequestType.Post;
request.Header.SetHeaderValue("Content-Type", "application/json");
request.ContentString = postBody;
regClient.DispatchAsync(request, RegistrationConnectionCallback); // HttpClientRequest request = new HttpClientRequest();
} // request.Url.Parse(url);
// request.RequestType = RequestType.Post;
// request.Header.SetHeaderValue("Content-Type", "application/json");
// request.ContentString = postBody;
} // regClient.DispatchAsync(request, RegistrationConnectionCallback);
catch (Exception e) // }
{
Debug.Console(0, this, "ERROR: Initilizing app server controller: {0}", e); //}
RegisterLockEvent.Set(); //catch (Exception e)
StartReconnectTimer(); //{
} // Debug.Console(0, this, "ERROR: Initilizing app server controller: {0}", e);
// RegisterLockEvent.Set();
// StartReconnectTimer();
//}
} }
///// <summary>
///// The callback that fires when we get a response from our registration attempt
///// </summary>
///// <param name="resp"></param>
///// <param name="err"></param>
//void RegistrationConnectionCallback(HttpClientResponse resp, HTTP_CALLBACK_ERROR err)
//{
// CheckHttpDebug(resp, err);
// try
// {
// if (resp != null && resp.Code == 200)
// {
// StopReconnectTimer();
// // Success here!
// ConnectStreamClient();
// }
// else
// {
// if (resp != null)
// {
// if (resp.Code == 502)
// {
// Debug.Console(1, this, "Cannot reach App Server behind web server. Check that service/app is running on server");
// }
// else
// {
// Debug.Console(1, this, "Error response from server: {0}\n{1}", resp.Code, err);
// }
// }
// else
// {
// Debug.Console(1, this, "No response. Server is likely unreachable");
// }
// StartReconnectTimer();
// }
// }
// catch (Exception e)
// {
// Debug.Console(1, this, "Error Initializing Stream Client: {0}", e);
// StartReconnectTimer();
// RegisterLockEvent.Set();
// }
//}
/// <summary>
/// Connects the Websocket Client
/// </summary>
/// <param name="o"></param>
void ConnectStreamClient()
{
Debug.Console(1, this, Debug.ErrorLogLevel.Notice, "Initializing Stream client to server.");
if (WSClient != null)
{
Debug.Console(1, this, Debug.ErrorLogLevel.Notice, "Cleaning up previous socket");
DisconnectWebsocketClient();
}
SystemUuid = ConfigReader.ConfigObject.SystemUuid;
WSClient = new WebSocketClient();
WSClient.URL = string.Format("wss://{0}/system/join/{1}", Config.ServerUrl, this.SystemUuid);
WSClient.ConnectionCallBack = Websocket_ConnectCallback;
WSClient.DisconnectCallBack = Websocket_DisconnectCallback;
WSClient.ConnectAsync();
}
/// <summary>
///
/// </summary>
/// <param name="code"></param>
/// <returns></returns>
int Websocket_ConnectCallback(WebSocketClient.WEBSOCKET_RESULT_CODES code)
{
if (code == WebSocketClient.WEBSOCKET_RESULT_CODES.WEBSOCKET_CLIENT_SUCCESS)
{
StopServerReconnectTimer();
Debug.Console(1, this, "Websocket connected");
WSClient.SendCallBack = Websocket_SendCallback;
WSClient.ReceiveCallBack = Websocket_ReceiveCallback;
WSClient.ReceiveAsync();
}
else
{
Debug.Console(1, this, Debug.ErrorLogLevel.Warning, "Web socket connection failed: {0}", code);
StartServerReconnectTimer();
}
return 0;
}
/// <summary>
/// After a "hello" from the server, sends config and stuff
/// </summary>
void SendInitialMessage()
{
Debug.Console(1, this, "Sending initial join message");
var confObject = ConfigReader.ConfigObject;
confObject.Info.RuntimeInfo.AppName = Assembly.GetExecutingAssembly().GetName().Name;
var version = Assembly.GetExecutingAssembly().GetName().Version;
confObject.Info.RuntimeInfo.AssemblyVersion = string.Format("{0}.{1}.{2}", version.Major, version.Minor, version.Build);
var msg = new
{
type = "join",
content = new
{
config = confObject
}
};
SendMessageObjectToServer(msg);
}
/// <summary>
/// Sends any object type to server
/// </summary>
/// <param name="o"></param>
public void SendMessageObjectToServer(object o)
{
SendMessageToServer(JObject.FromObject(o));
}
/// <summary> /// <summary>
/// Sends a message to the server from a room /// Sends a message to the server from a room
/// </summary> /// </summary>
@@ -356,16 +481,13 @@ namespace PepperDash.Essentials
/// <param name="o">object to be serialized and sent in post body</param> /// <param name="o">object to be serialized and sent in post body</param>
public void SendMessageToServer(JObject o) public void SendMessageToServer(JObject o)
{ {
if (WSClient != null && WSClient.Connected) if (WSClient != null && WSClient.Connected)
{ {
string message = JsonConvert.SerializeObject(o, Formatting.None, new JsonSerializerSettings { NullValueHandling = NullValueHandling.Ignore }); string message = JsonConvert.SerializeObject(o, Formatting.None, new JsonSerializerSettings { NullValueHandling = NullValueHandling.Ignore });
Debug.Console(1, this, "Message TX: {0}", message); Debug.Console(1, this, "Message TX: {0}", message);
var messageBytes = System.Text.Encoding.UTF8.GetBytes(message); var messageBytes = System.Text.Encoding.UTF8.GetBytes(message);
//WSClient.Send(messageBytes, (uint)messageBytes.Length, WebSocketClient.WEBSOCKET_PACKET_TYPES.LWS_WS_OPCODE_07__TEXT_FRAME);
WSClient.SendAsync(messageBytes, (uint)messageBytes.Length, WebSocketClient.WEBSOCKET_PACKET_TYPES.LWS_WS_OPCODE_07__TEXT_FRAME); WSClient.SendAsync(messageBytes, (uint)messageBytes.Length, WebSocketClient.WEBSOCKET_PACKET_TYPES.LWS_WS_OPCODE_07__TEXT_FRAME);
} }
} }
/// <summary> /// <summary>
@@ -375,66 +497,39 @@ namespace PepperDash.Essentials
void DisconnectWebsocketClient() void DisconnectWebsocketClient()
{ {
Debug.Console(1, this, Debug.ErrorLogLevel.Notice, "Disconnecting websocket"); Debug.Console(1, this, Debug.ErrorLogLevel.Notice, "Disconnecting websocket");
if (WSClient != null) // && WSClient.Connected) if (WSClient != null)
{ {
WSClient.Disconnect(); WSClient.Disconnect();
WSClient.SendCallBack = null; WSClient.SendCallBack = null;
WSClient.ReceiveCallBack = null; WSClient.ReceiveCallBack = null;
WSClient.ConnectionCallBack = null; WSClient.ConnectionCallBack = null;
WSClient.Dispose();
WSClient = null; WSClient = null;
} }
} }
/// <summary>
/// The callback that fires when we get a response from our registration attempt
/// </summary>
/// <param name="resp"></param>
/// <param name="err"></param>
void RegistrationConnectionCallback(HttpClientResponse resp, HTTP_CALLBACK_ERROR err)
{
CheckHttpDebug(resp, err);
//Debug.Console(2, this, "RegistrationConnectionCallback: {0}", err);
try
{
if (resp != null && resp.Code == 200)
{
if(ServerReconnectTimer != null)
{
ServerReconnectTimer.Stop();
ServerReconnectTimer = null;
}
// Success here! /// <summary>
ConnectStreamClient(); ///
} /// </summary>
else /// <param name="dueTime"></param>
{ /// <param name="repeatTime"></param>
if (resp != null) void StartServerReconnectTimer()
{ {
if (resp.Code == 502) StopServerReconnectTimer();
{ ServerReconnectTimer = new CTimer(ReconnectToServerTimerCallback, ServerReconnectInterval);
Debug.Console(1, this, "Cannot reach App Server behind web server. Check that service/app is running on server"); Debug.Console(1, this, "Reconnect Timer Started.");
} }
else
{ /// <summary>
Debug.Console(1, this, "Error response from server: {0}\n{1}", resp.Code, err); /// Does what it says
} /// </summary>
} void StopServerReconnectTimer()
else {
{ if (ServerReconnectTimer != null)
Debug.Console(1, this, "No response. Server is likely unreachable"); {
} ServerReconnectTimer.Stop();
StartReconnectTimer(); ServerReconnectTimer = null;
} }
} }
catch (Exception e)
{
Debug.Console(1, this, "Error Initializing Stream Client: {0}", e);
StartReconnectTimer();
RegisterLockEvent.Set();
}
}
/// <summary> /// <summary>
/// Executes when we don't get a heartbeat message in time. Triggers reconnect. /// Executes when we don't get a heartbeat message in time. Triggers reconnect.
@@ -449,23 +544,7 @@ namespace PepperDash.Essentials
ServerHeartbeatCheckTimer = null; ServerHeartbeatCheckTimer = null;
} }
DisconnectWebsocketClient(); DisconnectWebsocketClient();
StartReconnectTimer(); StartServerReconnectTimer();
}
/// <summary>
///
/// </summary>
/// <param name="dueTime"></param>
/// <param name="repeatTime"></param>
void StartReconnectTimer()
{
// Start the reconnect timer
if (ServerReconnectTimer == null)
{
ServerReconnectTimer = new CTimer(ReconnectToServerTimerCallback, null, ServerReconnectInterval, ServerReconnectInterval);
Debug.Console(1, this, "Reconnect Timer Started.");
}
ServerReconnectTimer.Reset(ServerReconnectInterval, ServerReconnectInterval);
} }
/// <summary> /// <summary>
@@ -485,32 +564,6 @@ namespace PepperDash.Essentials
ServerHeartbeatCheckTimer.Reset(ServerHeartbeatInterval, ServerHeartbeatInterval); ServerHeartbeatCheckTimer.Reset(ServerHeartbeatInterval, ServerHeartbeatInterval);
} }
/// <summary>
/// Connects the Websocket Client
/// </summary>
/// <param name="o"></param>
void ConnectStreamClient()
{
Debug.Console(1, this, Debug.ErrorLogLevel.Notice, "Initializing Stream client to server.");
if (WSClient != null)
{
Debug.Console(1, this, Debug.ErrorLogLevel.Notice, "Cleaning up previous socket");
DisconnectWebsocketClient();
}
WSClient = new WebSocketClient();
WSClient.URL = string.Format("wss://{0}/system/join/{1}", Config.ServerUrl, this.SystemUuid);
WSClient.ConnectionCallBack = Websocket_ConnectCallback;
WSClient.DisconnectCallBack = Websocket_DisconnectCallback;
WSClient.Connect();
Debug.Console(1, this, "Websocket connected");
WSClient.SendCallBack = WebsocketSendCallback;
WSClient.ReceiveCallBack = WebsocketReceiveCallback;
WSClient.ReceiveAsync();
RegisterLockEvent.Set();
}
/// <summary> /// <summary>
/// Waits two and goes again /// Waits two and goes again
/// </summary> /// </summary>
@@ -519,22 +572,6 @@ namespace PepperDash.Essentials
new CTimer(o => ConnectStreamClient(), 2000); new CTimer(o => ConnectStreamClient(), 2000);
} }
/// <summary>
///
/// </summary>
/// <param name="code"></param>
/// <returns></returns>
int Websocket_ConnectCallback(WebSocketClient.WEBSOCKET_RESULT_CODES code)
{
Debug.Console(1, this, Debug.ErrorLogLevel.Notice, "Websocket status change: {0}", code);
if (code != WebSocketClient.WEBSOCKET_RESULT_CODES.WEBSOCKET_CLIENT_SUCCESS)
{
Debug.Console(1, this, Debug.ErrorLogLevel.Warning, "Web socket connection failed: {0}", code);
//ReconnectStreamClient();
}
return 0;
}
/// <summary> /// <summary>
/// ///
/// </summary> /// </summary>
@@ -547,9 +584,7 @@ namespace PepperDash.Essentials
if (ServerHeartbeatCheckTimer != null) if (ServerHeartbeatCheckTimer != null)
ServerHeartbeatCheckTimer.Stop(); ServerHeartbeatCheckTimer.Stop();
// Start the reconnect timer // Start the reconnect timer
StartReconnectTimer(); StartServerReconnectTimer();
//ReconnectStreamClient();
return 0; return 0;
} }
@@ -616,7 +651,7 @@ namespace PepperDash.Essentials
/// <param name="length"></param> /// <param name="length"></param>
/// <param name="opcode"></param> /// <param name="opcode"></param>
/// <param name="err"></param> /// <param name="err"></param>
int WebsocketReceiveCallback(byte[] data, uint length, WebSocketClient.WEBSOCKET_PACKET_TYPES opcode, int Websocket_ReceiveCallback(byte[] data, uint length, WebSocketClient.WEBSOCKET_PACKET_TYPES opcode,
WebSocketClient.WEBSOCKET_RESULT_CODES err) WebSocketClient.WEBSOCKET_RESULT_CODES err)
{ {
var rx = System.Text.Encoding.UTF8.GetString(data, 0, (int)length); var rx = System.Text.Encoding.UTF8.GetString(data, 0, (int)length);
@@ -631,7 +666,7 @@ namespace PepperDash.Essentials
/// </summary> /// </summary>
/// <param name="result"></param> /// <param name="result"></param>
/// <returns></returns> /// <returns></returns>
int WebsocketSendCallback(Crestron.SimplSharp.CrestronWebSocketClient.WebSocketClient.WEBSOCKET_RESULT_CODES result) int Websocket_SendCallback(Crestron.SimplSharp.CrestronWebSocketClient.WebSocketClient.WEBSOCKET_RESULT_CODES result)
{ {
if(result != WebSocketClient.WEBSOCKET_RESULT_CODES.WEBSOCKET_CLIENT_SUCCESS) if(result != WebSocketClient.WEBSOCKET_RESULT_CODES.WEBSOCKET_CLIENT_SUCCESS)
Debug.Console(1, this, Debug.ErrorLogLevel.Notice, "SendCallback questionable result: {0}", result); Debug.Console(1, this, Debug.ErrorLogLevel.Notice, "SendCallback questionable result: {0}", result);
@@ -659,6 +694,7 @@ namespace PepperDash.Essentials
if (type == "hello") if (type == "hello")
{ {
SendInitialMessage();
ResetOrStartHearbeatTimer(); ResetOrStartHearbeatTimer();
} }
else if (type == "/system/heartbeat") else if (type == "/system/heartbeat")
@@ -672,8 +708,6 @@ namespace PepperDash.Essentials
if (ServerHeartbeatCheckTimer != null) if (ServerHeartbeatCheckTimer != null)
ServerHeartbeatCheckTimer.Stop(); ServerHeartbeatCheckTimer.Stop();
//// Start the reconnect timer
//StartReconnectTimer();
} }
else else
{ {