src/threadengines/threadengine_win32.cpp

   1 /*
   2  * InspIRCd -- Internet Relay Chat Daemon
   3  *
   4  *   Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
   5  *   Copyright (C) 2008 Craig Edwards <craigedwards@brainbox.cc>
   6  *
   7  * This file is part of InspIRCd.  InspIRCd is free software: you can
   8  * redistribute it and/or modify it under the terms of the GNU General Public
   9  * License as published by the Free Software Foundation, version 2.
  10  *
  11  * This program is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  13  * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
  14  * details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20
  21 #include "inspircd.h"
  22 #include "threadengines/threadengine_win32.h"
  23
  24 ThreadEngine::ThreadEngine()
  25 {
  26 }
  27
  28 void ThreadEngine::Start(Thread* thread)
  29 {
  30         ThreadData* data = new ThreadData;
  31         thread->state = data;
  32
  33         DWORD ThreadId = 0;
  34         data->handle = CreateThread(NULL,0,ThreadEngine::Entry,thread,0,&ThreadId);
  35
  36         if (data->handle == NULL)
  37         {
  38                 DWORD lasterr = GetLastError();
  39                 thread->state = NULL;
  40                 delete data;
  41                 std::string err = "Unable to create new thread: " + ConvToStr(lasterr);
  42                 SetLastError(ERROR_SUCCESS);
  43                 throw CoreException(err);
  44         }
  45 }
  46
  47 ThreadEngine::~ThreadEngine()
  48 {
  49 }
  50
  51 DWORD WINAPI ThreadEngine::Entry(void* parameter)
  52 {
  53         Thread* pt = static_cast<Thread*>(parameter);
  54         pt->Run();
  55         return 0;
  56 }
  57
  58 void ThreadData::FreeThread(Thread* thread)
  59 {
  60         thread->SetExitFlag();
  61         WaitForSingleObject(handle,INFINITE);
  62         CloseHandle(handle);
  63 }
  64
  65 class ThreadSignalSocket : public BufferedSocket
  66 {
  67         SocketThread* parent;
  68  public:
  69         ThreadSignalSocket(SocketThread* t, int newfd)
  70                 : BufferedSocket(newfd), parent(t)
  71         {
  72         }
  73
  74         void OnDataReady()
  75         {
  76                 recvq.clear();
  77                 parent->OnNotify();
  78         }
  79
  80         void OnError(BufferedSocketError)
  81         {
  82                 ServerInstance->GlobalCulls.AddItem(this);
  83         }
  84 };
  85
  86 SocketThread::SocketThread()
  87 {
  88         int listenFD = socket(AF_INET, SOCK_STREAM, 0);
  89         if (listenFD == -1)
  90                 throw CoreException("Could not create ITC pipe");
  91         int connFD = socket(AF_INET, SOCK_STREAM, 0);
  92         if (connFD == -1)
  93                 throw CoreException("Could not create ITC pipe");
  94
  95         if (!ServerInstance->BindSocket(listenFD, 0, "127.0.0.1", true))
  96                 throw CoreException("Could not create ITC pipe");
  97         SocketEngine::NonBlocking(connFD);
  98
  99         struct sockaddr_in addr;
 100         socklen_t sz = sizeof(addr);
 101         getsockname(listenFD, reinterpret_cast<struct sockaddr*>(&addr), &sz);
 102         connect(connFD, reinterpret_cast<struct sockaddr*>(&addr), sz);
 103         SocketEngine::Blocking(listenFD);
 104         int nfd = accept(listenFD, reinterpret_cast<struct sockaddr*>(&addr), &sz);
 105         if (nfd < 0)
 106                 throw CoreException("Could not create ITC pipe");
 107         new ThreadSignalSocket(this, nfd);
 108         closesocket(listenFD);
 109
 110         SocketEngine::Blocking(connFD);
 111         this->signal.connFD = connFD;
 112 }
 113
 114 void SocketThread::NotifyParent()
 115 {
 116         char dummy = '*';
 117         send(signal.connFD, &dummy, 1, 0);
 118 }
 119
 120 SocketThread::~SocketThread()
 121 {
 122         if (signal.connFD >= 0)
 123         {
 124                 shutdown(signal.connFD, 2);
 125                 closesocket(signal.connFD);
 126         }
 127 }