src/threadengines/threadengine_win32.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  InspIRCd: (C) 2002-2010 InspIRCd Development Team
   6  * See: http://wiki.inspircd.org/Credits
   7  *
   8  * This program is free but copyrighted software; see
   9  *          the file COPYING for details.
  10  *
  11  * ---------------------------------------------------
  12  */
  13
  14 #include "inspircd.h"
  15 #include "threadengines/threadengine_win32.h"
  16
  17 ThreadEngine::ThreadEngine()
  18 {
  19 }
  20
  21 void ThreadEngine::Start(Thread* thread)
  22 {
  23         ThreadData* data = new ThreadData;
  24         thread->state = data;
  25
  26         DWORD ThreadId = 0;
  27         data->handle = CreateThread(NULL,0,ThreadEngine::Entry,thread,0,&ThreadId);
  28
  29         if (data->handle == NULL)
  30         {
  31                 thread->state = NULL;
  32                 delete data;
  33                 throw CoreException(std::string("Unable to create new thread: ") + dlerror());
  34         }
  35 }
  36
  37 ThreadEngine::~ThreadEngine()
  38 {
  39 }
  40
  41 DWORD WINAPI ThreadEngine::Entry(void* parameter)
  42 {
  43         Thread* pt = static_cast<Thread*>(parameter);
  44         pt->Run();
  45         return 0;
  46 }
  47
  48 void ThreadData::FreeThread(Thread* thread)
  49 {
  50         thread->SetExitFlag();
  51         WaitForSingleObject(handle,INFINITE);
  52 }
  53
  54 class ThreadSignalSocket : public BufferedSocket
  55 {
  56         SocketThread* parent;
  57  public:
  58         ThreadSignalSocket(SocketThread* t, int newfd)
  59                 : BufferedSocket(newfd), parent(t)
  60         {
  61         }
  62
  63         void OnDataReady()
  64         {
  65                 recvq.clear();
  66                 parent->OnNotify();
  67         }
  68
  69         void OnError(BufferedSocketError)
  70         {
  71                 ServerInstance->GlobalCulls.AddItem(this);
  72         }
  73 };
  74
  75 SocketThread::SocketThread()
  76 {
  77         int listenFD = socket(AF_INET, SOCK_STREAM, 0);
  78         if (listenFD == -1)
  79                 throw CoreException("Could not create ITC pipe");
  80         int connFD = socket(AF_INET, SOCK_STREAM, 0);
  81         if (connFD == -1)
  82                 throw CoreException("Could not create ITC pipe");
  83
  84         if (!ServerInstance->BindSocket(listenFD, 0, "127.0.0.1", true))
  85                 throw CoreException("Could not create ITC pipe");
  86         ServerInstance->SE->NonBlocking(connFD);
  87
  88         struct sockaddr_in addr;
  89         socklen_t sz = sizeof(addr);
  90         getsockname(listenFD, reinterpret_cast<struct sockaddr*>(&addr), &sz);
  91         connect(connFD, reinterpret_cast<struct sockaddr*>(&addr), sz);
  92         int nfd = accept(listenFD, reinterpret_cast<struct sockaddr*>(&addr), &sz);
  93         if (nfd < 0)
  94                 throw CoreException("Could not create ITC pipe");
  95         new ThreadSignalSocket(this, nfd);
  96         closesocket(listenFD);
  97
  98         ServerInstance->SE->Blocking(connFD);
  99         this->signal.connFD = connFD;
 100 }
 101
 102 void SocketThread::NotifyParent()
 103 {
 104         char dummy = '*';
 105         send(signal.connFD, &dummy, 1, 0);
 106 }
 107
 108 SocketThread::~SocketThread()
 109 {
 110         if (signal.connFD >= 0)
 111         {
 112                 shutdown(signal.connFD, 2);
 113                 closesocket(signal.connFD);
 114         }
 115 }