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100 lines
3.8 KiB
100 lines
3.8 KiB
11 months ago
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#if !BESTHTTP_DISABLE_SIGNALR
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using System.Collections.Generic;
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using BestHTTP.SignalR.Messages;
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namespace BestHTTP.SignalR.Transports
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{
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/// <summary>
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/// A base class for implementations that must send the data in unique requests. These are currently the LongPolling and ServerSentEvents transports.
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/// </summary>
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public abstract class PostSendTransportBase : TransportBase
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{
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/// <summary>
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/// Sent out send requests. Keeping a reference to them for future use.
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/// </summary>
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protected List<HTTPRequest> sendRequestQueue = new List<HTTPRequest>();
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public PostSendTransportBase(string name, Connection con)
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: base(name, con)
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{
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}
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#region Send Implementation
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protected override void SendImpl(string json)
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{
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var request = new HTTPRequest(Connection.BuildUri(RequestTypes.Send, this), HTTPMethods.Post, true, true, OnSendRequestFinished);
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request.FormUsage = Forms.HTTPFormUsage.UrlEncoded;
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request.AddField("data", json);
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Connection.PrepareRequest(request, RequestTypes.Send);
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request.Send();
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sendRequestQueue.Add(request);
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}
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void OnSendRequestFinished(HTTPRequest req, HTTPResponse resp)
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{
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sendRequestQueue.Remove(req);
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// error reason if there is any. We will call the manager's Error function if it's not empty.
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string reason = string.Empty;
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switch (req.State)
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{
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// The request finished without any problem.
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case HTTPRequestStates.Finished:
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if (resp.IsSuccess)
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{
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HTTPManager.Logger.Information("Transport - " + this.Name, "Send - Request Finished Successfully! " + resp.DataAsText);
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if (!string.IsNullOrEmpty(resp.DataAsText))
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{
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IServerMessage msg = TransportBase.Parse(Connection.JsonEncoder, resp.DataAsText);
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if (msg != null)
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Connection.OnMessage(msg);
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}
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}
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else
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reason = string.Format("Send - Request Finished Successfully, but the server sent an error. Status Code: {0}-{1} Message: {2}",
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resp.StatusCode,
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resp.Message,
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resp.DataAsText);
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break;
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// The request finished with an unexpected error. The request's Exception property may contain more info about the error.
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case HTTPRequestStates.Error:
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reason = "Send - Request Finished with Error! " + (req.Exception != null ? (req.Exception.Message + "\n" + req.Exception.StackTrace) : "No Exception");
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break;
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// The request aborted, initiated by the user.
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case HTTPRequestStates.Aborted:
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reason = "Send - Request Aborted!";
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break;
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// Connecting to the server is timed out.
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case HTTPRequestStates.ConnectionTimedOut:
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reason = "Send - Connection Timed Out!";
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break;
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// The request didn't finished in the given time.
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case HTTPRequestStates.TimedOut:
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reason = "Send - Processing the request Timed Out!";
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break;
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}
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if (!string.IsNullOrEmpty(reason))
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Connection.Error(reason);
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}
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#endregion
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}
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}
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#endif
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