558 lines
13 KiB
C#
558 lines
13 KiB
C#
// CoreUtil
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//
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// Copyright (C) 2012-2014 Daiyuu Nobori. All Rights Reserved.
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// Copyright (C) 2012-2014 SoftEther VPN Project at University of Tsukuba. All Rights Reserved.
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//
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// License: The Apache License, Version 2.0
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// DISCLAIMER
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// ==========
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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//
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// THIS SOFTWARE IS DEVELOPED IN JAPAN, AND DISTRIBUTED FROM JAPAN, UNDER
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// JAPANESE LAWS. YOU MUST AGREE IN ADVANCE TO USE, COPY, MODIFY, MERGE, PUBLISH,
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// DISTRIBUTE, SUBLICENSE, AND/OR SELL COPIES OF THIS SOFTWARE, THAT ANY
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// JURIDICAL DISPUTES WHICH ARE CONCERNED TO THIS SOFTWARE OR ITS CONTENTS,
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// AGAINST US (SOFTETHER PROJECT, SOFTETHER CORPORATION, DAIYUU NOBORI OR OTHER
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// SUPPLIERS), OR ANY JURIDICAL DISPUTES AGAINST US WHICH ARE CAUSED BY ANY KIND
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// OF USING, COPYING, MODIFYING, MERGING, PUBLISHING, DISTRIBUTING, SUBLICENSING,
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// AND/OR SELLING COPIES OF THIS SOFTWARE SHALL BE REGARDED AS BE CONSTRUED AND
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// CONTROLLED BY JAPANESE LAWS, AND YOU MUST FURTHER CONSENT TO EXCLUSIVE
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// JURISDICTION AND VENUE IN THE COURTS SITTING IN TOKYO, JAPAN. YOU MUST WAIVE
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// ALL DEFENSES OF LACK OF PERSONAL JURISDICTION AND FORUM NON CONVENIENS.
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// PROCESS MAY BE SERVED ON EITHER PARTY IN THE MANNER AUTHORIZED BY APPLICABLE
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// LAW OR COURT RULE.
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//
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// USE ONLY IN JAPAN. DO NOT USE THIS SOFTWARE IN ANOTHER COUNTRY UNLESS YOU HAVE
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// A CONFIRMATION THAT THIS SOFTWARE DOES NOT VIOLATE ANY CRIMINAL LAWS OR CIVIL
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// RIGHTS IN THAT PARTICULAR COUNTRY. USING THIS SOFTWARE IN OTHER COUNTRIES IS
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// COMPLETELY AT YOUR OWN RISK. THE SOFTETHER VPN PROJECT HAS DEVELOPED AND
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// DISTRIBUTED THIS SOFTWARE TO COMPLY ONLY WITH THE JAPANESE LAWS AND EXISTING
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// CIVIL RIGHTS INCLUDING PATENTS WHICH ARE SUBJECTS APPLY IN JAPAN. OTHER
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// COUNTRIES' LAWS OR CIVIL RIGHTS ARE NONE OF OUR CONCERNS NOR RESPONSIBILITIES.
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// WE HAVE NEVER INVESTIGATED ANY CRIMINAL REGULATIONS, CIVIL LAWS OR
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// INTELLECTUAL PROPERTY RIGHTS INCLUDING PATENTS IN ANY OF OTHER 200+ COUNTRIES
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// AND TERRITORIES. BY NATURE, THERE ARE 200+ REGIONS IN THE WORLD, WITH
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// DIFFERENT LAWS. IT IS IMPOSSIBLE TO VERIFY EVERY COUNTRIES' LAWS, REGULATIONS
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// AND CIVIL RIGHTS TO MAKE THE SOFTWARE COMPLY WITH ALL COUNTRIES' LAWS BY THE
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// PROJECT. EVEN IF YOU WILL BE SUED BY A PRIVATE ENTITY OR BE DAMAGED BY A
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// PUBLIC SERVANT IN YOUR COUNTRY, THE DEVELOPERS OF THIS SOFTWARE WILL NEVER BE
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// LIABLE TO RECOVER OR COMPENSATE SUCH DAMAGES, CRIMINAL OR CIVIL
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// RESPONSIBILITIES. NOTE THAT THIS LINE IS NOT LICENSE RESTRICTION BUT JUST A
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// STATEMENT FOR WARNING AND DISCLAIMER.
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//
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// READ AND UNDERSTAND THE 'WARNING.TXT' FILE BEFORE USING THIS SOFTWARE.
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// SOME SOFTWARE PROGRAMS FROM THIRD PARTIES ARE INCLUDED ON THIS SOFTWARE WITH
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// LICENSE CONDITIONS WHICH ARE DESCRIBED ON THE 'THIRD_PARTY.TXT' FILE.
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//
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//
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// SOURCE CODE CONTRIBUTION
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// ------------------------
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//
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// Your contribution to SoftEther VPN Project is much appreciated.
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// Please send patches to us through GitHub.
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// Read the SoftEther VPN Patch Acceptance Policy in advance:
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// http://www.softether.org/5-download/src/9.patch
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//
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//
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// DEAR SECURITY EXPERTS
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// ---------------------
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//
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// If you find a bug or a security vulnerability please kindly inform us
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// about the problem immediately so that we can fix the security problem
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// to protect a lot of users around the world as soon as possible.
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//
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// Our e-mail address for security reports is:
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// softether-vpn-security [at] softether.org
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//
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// Please note that the above e-mail address is not a technical support
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// inquiry address. If you need technical assistance, please visit
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// http://www.softether.org/ and ask your question on the users forum.
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//
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// Thank you for your cooperation.
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//
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//
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// NO MEMORY OR RESOURCE LEAKS
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// ---------------------------
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//
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// The memory-leaks and resource-leaks verification under the stress
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// test has been passed before release this source code.
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using System;
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using System.Threading;
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using System.Data;
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using System.Data.Sql;
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using System.Data.SqlClient;
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using System.Data.SqlTypes;
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using System.Text;
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using System.Configuration;
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using System.Collections;
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using System.Collections.Generic;
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using System.Security.Cryptography;
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using System.Web;
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using System.Web.Security;
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using System.Web.UI;
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using System.Web.UI.WebControls;
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using System.Web.UI.WebControls.WebParts;
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using System.Web.UI.HtmlControls;
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using System.IO;
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using System.Drawing;
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using System.Drawing.Imaging;
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using System.Drawing.Drawing2D;
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using System.Diagnostics;
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using System.Web.Mail;
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using System.Net;
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using System.Net.Sockets;
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using System.Net.NetworkInformation;
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using System.Net.Mail;
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using System.Net.Mime;
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using CoreUtil;
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#pragma warning disable 0618
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namespace CoreUtil
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{
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class WorkerQueuePrivate
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{
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object lockObj = new object();
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List<ThreadObj> thread_list;
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ThreadProc thread_proc;
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int num_worker_threads;
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Queue<object> taskQueue = new Queue<object>();
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Exception raised_exception = null;
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void worker_thread(object param)
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{
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while (true)
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{
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object task = null;
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lock (lockObj)
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{
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if (taskQueue.Count == 0)
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{
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return;
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}
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task = taskQueue.Dequeue();
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}
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try
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{
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this.thread_proc(task);
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}
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catch (Exception ex)
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{
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if (raised_exception == null)
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{
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raised_exception = ex;
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}
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Console.WriteLine(ex.Message);
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}
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}
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}
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public WorkerQueuePrivate(ThreadProc thread_proc, int num_worker_threads, object[] tasks)
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{
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thread_list = new List<ThreadObj>();
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int i;
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this.thread_proc = thread_proc;
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this.num_worker_threads = num_worker_threads;
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foreach (object task in tasks)
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{
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taskQueue.Enqueue(task);
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}
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raised_exception = null;
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for (i = 0; i < num_worker_threads; i++)
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{
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ThreadObj t = new ThreadObj(worker_thread);
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thread_list.Add(t);
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}
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foreach (ThreadObj t in thread_list)
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{
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t.WaitForEnd();
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}
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if (raised_exception != null)
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{
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throw raised_exception;
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}
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}
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}
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public static class Tick64
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{
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static object lock_obj = new object();
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static uint last_value = 0;
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static bool is_first = true;
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static uint num_round = 0;
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public static long Value
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{
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get
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{
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unchecked
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{
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lock (lock_obj)
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{
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uint current_value = (uint)(System.Environment.TickCount + 3864700935);
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if (is_first)
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{
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last_value = current_value;
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is_first = false;
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}
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if (last_value > current_value)
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{
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num_round++;
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}
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last_value = current_value;
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ulong ret = 4294967296UL * (ulong)num_round + current_value;
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return (long)ret;
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}
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}
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}
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}
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public static uint ValueUInt32
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{
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get
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{
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unchecked
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{
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return (uint)((ulong)Value);
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}
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}
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}
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}
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public class Event
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{
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EventWaitHandle h;
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public const int Infinite = Timeout.Infinite;
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public Event()
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{
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init(false);
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}
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public Event(bool manualReset)
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{
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init(manualReset);
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}
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void init(bool manualReset)
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{
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h = new EventWaitHandle(false, (manualReset ? EventResetMode.ManualReset : EventResetMode.AutoReset));
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}
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public void Set()
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{
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h.Set();
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}
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public bool Wait()
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{
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return Wait(Infinite);
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}
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public bool Wait(int millisecs)
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{
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return h.WaitOne(millisecs, false);
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}
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static EventWaitHandle[] toArray(Event[] events)
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{
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List<EventWaitHandle> list = new List<EventWaitHandle>();
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foreach (Event e in events)
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{
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list.Add(e.h);
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}
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return list.ToArray();
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}
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public static bool WaitAll(Event[] events)
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{
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return WaitAll(events, Infinite);
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}
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public static bool WaitAll(Event[] events, int millisecs)
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{
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if (events.Length <= 64)
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{
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return waitAllInner(events, millisecs);
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}
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else
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{
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return waitAllMulti(events, millisecs);
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}
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}
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static bool waitAllMulti(Event[] events, int millisecs)
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{
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int numBlocks = (events.Length + 63) / 64;
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List<Event>[] list = new List<Event>[numBlocks];
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int i;
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for (i = 0; i < numBlocks; i++)
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{
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list[i] = new List<Event>();
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}
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for (i = 0; i < events.Length; i++)
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{
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list[i / 64].Add(events[i]);
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}
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double start = Time.NowDouble;
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double giveup = start + (double)millisecs / 1000.0;
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foreach (List<Event> o in list)
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{
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double now = Time.NowDouble;
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if (now <= giveup || millisecs < 0)
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{
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int waitmsecs;
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if (millisecs >= 0)
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{
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waitmsecs = (int)((giveup - now) * 1000.0);
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}
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else
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{
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waitmsecs = Timeout.Infinite;
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}
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bool ret = waitAllInner(o.ToArray(), waitmsecs);
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if (ret == false)
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{
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return false;
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}
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}
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else
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{
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return false;
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}
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}
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return true;
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}
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static bool waitAllInner(Event[] events, int millisecs)
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{
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if (events.Length == 1)
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{
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return events[0].Wait(millisecs);
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}
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return EventWaitHandle.WaitAll(toArray(events), millisecs, false);
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}
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public static bool WaitAny(Event[] events)
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{
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return WaitAny(events, Infinite);
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}
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public static bool WaitAny(Event[] events, int millisecs)
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{
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if (events.Length == 1)
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{
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return events[0].Wait(millisecs);
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}
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return ((WaitHandle.WaitTimeout == EventWaitHandle.WaitAny(toArray(events), millisecs, false)) ? false : true);
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}
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public IntPtr Handle
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{
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get
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{
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return h.Handle;
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}
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}
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}
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public class ThreadData
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{
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static LocalDataStoreSlot slot = Thread.AllocateDataSlot();
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public readonly SortedDictionary<string, object> DataList = new SortedDictionary<string, object>();
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public static ThreadData CurrentThreadData
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{
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get
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{
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return GetCurrentThreadData();
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}
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}
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public static ThreadData GetCurrentThreadData()
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{
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ThreadData t;
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try
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{
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t = (ThreadData)Thread.GetData(slot);
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}
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catch
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{
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t = null;
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}
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if (t == null)
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{
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t = new ThreadData();
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Thread.SetData(slot, t);
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}
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return t;
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}
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}
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public delegate void ThreadProc(object userObject);
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public class ThreadObj
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{
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static int defaultStackSize = 100000;
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static LocalDataStoreSlot currentObjSlot = Thread.AllocateDataSlot();
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public const int Infinite = Timeout.Infinite;
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ThreadProc proc;
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Thread thread;
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EventWaitHandle waitInit;
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EventWaitHandle waitEnd;
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EventWaitHandle waitInitForUser;
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public Thread Thread
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{
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get { return thread; }
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}
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object userObject;
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public ThreadObj(ThreadProc threadProc)
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{
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init(threadProc, null, 0);
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}
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public ThreadObj(ThreadProc threadProc, int stacksize)
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{
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init(threadProc, null, stacksize);
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}
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public ThreadObj(ThreadProc threadProc, object userObject)
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{
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init(threadProc, userObject, 0);
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}
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public ThreadObj(ThreadProc threadProc, object userObject, int stacksize)
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{
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init(threadProc, userObject, stacksize);
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}
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void init(ThreadProc threadProc, object userObject, int stacksize)
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{
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if (stacksize == 0)
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{
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stacksize = defaultStackSize;
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}
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this.proc = threadProc;
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this.userObject = userObject;
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waitInit = new EventWaitHandle(false, EventResetMode.AutoReset);
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waitEnd = new EventWaitHandle(false, EventResetMode.ManualReset);
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waitInitForUser = new EventWaitHandle(false, EventResetMode.ManualReset);
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this.thread = new Thread(new ParameterizedThreadStart(commonThreadProc), stacksize);
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this.thread.Start(this);
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waitInit.WaitOne();
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}
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public static int DefaultStackSize
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{
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get
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{
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return defaultStackSize;
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}
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set
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{
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defaultStackSize = value;
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}
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}
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void commonThreadProc(object obj)
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{
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Thread.SetData(currentObjSlot, this);
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waitInit.Set();
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try
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{
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this.proc(this.userObject);
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}
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finally
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{
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waitEnd.Set();
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}
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}
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public static ThreadObj GetCurrentThreadObj()
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{
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return (ThreadObj)Thread.GetData(currentObjSlot);
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}
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public static void NoticeInited()
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{
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GetCurrentThreadObj().waitInitForUser.Set();
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}
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public void WaitForInit()
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{
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waitInitForUser.WaitOne();
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}
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public void WaitForEnd(int timeout)
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{
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waitEnd.WaitOne(timeout, false);
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}
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public void WaitForEnd()
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{
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waitEnd.WaitOne();
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}
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public static void Sleep(int millisec)
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{
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if (millisec == 0x7fffffff)
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{
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millisec = ThreadObj.Infinite;
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}
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Thread.Sleep(millisec);
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}
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public static void Yield()
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{
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Thread.Sleep(0);
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}
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public static void ProcessWorkQueue(ThreadProc thread_proc, int num_worker_threads, object[] tasks)
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{
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WorkerQueuePrivate q = new WorkerQueuePrivate(thread_proc, num_worker_threads, tasks);
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}
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}
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}
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