115 lines
3.0 KiB
Ucode
115 lines
3.0 KiB
Ucode
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/**
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* Copyright 1998-2013 Epic Games, Inc. All Rights Reserved.
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*
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* Implementation of interface for requesting UTC time from the server
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*/
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class McpServerTimeManager extends McpServerTimeBase;
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`include(Engine\Classes\HttpStatusCodes.uci)
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/** The class name to use in the factory method to create our instance */
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var config String TimeStampUrl;
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/** String for the last valid server time response */
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var String LastTimeStamp;
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/** HTTP request object that is used for the server time query. None when no request is in flight */
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var HttpRequestInterface HTTPRequestServerTime;
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/**
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* Request current UTC time from the server
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*/
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function QueryServerTime()
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{
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local string Url,ErrorStr;
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local bool bPending;
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if (HTTPRequestServerTime == None)
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{
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HTTPRequestServerTime = class'HttpFactory'.static.CreateRequest();
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if (HTTPRequestServerTime != None)
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{
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Url = GetBaseURL() $ TimeStampUrl $ GetAppAccessURL();
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HTTPRequestServerTime.SetURL(Url);
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HTTPRequestServerTime.SetVerb("GET");
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HTTPRequestServerTime.OnProcessRequestComplete = OnQueryServerTimeHTTPRequestComplete;
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if (HTTPRequestServerTime.ProcessRequest())
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{
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bPending = true;
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}
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else
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{
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ErrorStr = "failed to start request, Url="$Url;
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`log(`StaticLocation@ErrorStr);
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}
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}
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}
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else
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{
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ErrorStr = "last request is still being processed";
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`log(`StaticLocation@ErrorStr);
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}
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if (!bPending)
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{
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OnQueryServerTimeComplete(false,"",ErrorStr);
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}
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}
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/**
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* Called once the request/response has completed for getting server time from Mcp
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*
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* @param Request the request object that was used
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* @param Response the response object that was generated
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* @param bWasSuccessful whether or not the request completed successfully
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*/
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private function OnQueryServerTimeHTTPRequestComplete(HttpRequestInterface Request, HttpResponseInterface Response, bool bWasSuccessful)
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{
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local string TimeStr,ResponseStr,ErrorStr;
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local int Idx;
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local bool bResult;
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HTTPRequestServerTime = None;
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if (bWasSuccessful &&
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Response != None)
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{
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if (Response.GetResponseCode() == `HTTP_STATUS_OK)
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{
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ResponseStr = Response.GetContentAsString();
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Idx = InStr(ResponseStr, "Timestamp=");
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if (Idx != INDEX_NONE)
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{
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// Example : TimeFormat="yyyy.MM.dd-HH.mm.ss" Timestamp=2011.10.29-03.19.49
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TimeStr = Mid(ResponseStr, Idx);
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Idx = InStr(ResponseStr, "=");
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TimeStr = Mid(TimeStr, Idx);
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// cache last valid time stamp
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LastTimeStamp = TimeStr;
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bResult = true;
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}
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}
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else
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{
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ErrorStr = "invalid server response code, status="$Response.GetResponseCode();
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`log(`StaticLocation@ErrorStr);
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}
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}
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else
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{
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ErrorStr = "no response";
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`log(`StaticLocation@ErrorStr);
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}
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OnQueryServerTimeComplete(bResult,TimeStr,ErrorStr);
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}
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/**
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* Retrieve cached timestamp from last server time query
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*
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* @return string representation of time (yyyy.MM.dd-HH.mm.ss)
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*/
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function String GetLastServerTime()
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{
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return LastTimeStamp;
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}
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