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Merge pull request #92 from Robby-/insp20-headers
[user/henk/code/inspircd.git] / 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                 thread->state = NULL;
39                 delete data;
40                 throw CoreException(std::string("Unable to create new thread: ") + dlerror());
41         }
42 }
43
44 ThreadEngine::~ThreadEngine()
45 {
46 }
47
48 DWORD WINAPI ThreadEngine::Entry(void* parameter)
49 {
50         Thread* pt = static_cast<Thread*>(parameter);
51         pt->Run();
52         return 0;
53 }
54
55 void ThreadData::FreeThread(Thread* thread)
56 {
57         thread->SetExitFlag();
58         WaitForSingleObject(handle,INFINITE);
59 }
60
61 class ThreadSignalSocket : public BufferedSocket
62 {
63         SocketThread* parent;
64  public:
65         ThreadSignalSocket(SocketThread* t, int newfd)
66                 : BufferedSocket(newfd), parent(t)
67         {
68         }
69
70         void OnDataReady()
71         {
72                 recvq.clear();
73                 parent->OnNotify();
74         }
75
76         void OnError(BufferedSocketError)
77         {
78                 ServerInstance->GlobalCulls.AddItem(this);
79         }
80 };
81
82 SocketThread::SocketThread()
83 {
84         int listenFD = socket(AF_INET, SOCK_STREAM, 0);
85         if (listenFD == -1)
86                 throw CoreException("Could not create ITC pipe");
87         int connFD = socket(AF_INET, SOCK_STREAM, 0);
88         if (connFD == -1)
89                 throw CoreException("Could not create ITC pipe");
90
91         if (!ServerInstance->BindSocket(listenFD, 0, "127.0.0.1", true))
92                 throw CoreException("Could not create ITC pipe");
93         ServerInstance->SE->NonBlocking(connFD);
94
95         struct sockaddr_in addr;
96         socklen_t sz = sizeof(addr);
97         getsockname(listenFD, reinterpret_cast<struct sockaddr*>(&addr), &sz);
98         connect(connFD, reinterpret_cast<struct sockaddr*>(&addr), sz);
99         ServerInstance->SE->Blocking(listenFD);
100         int nfd = accept(listenFD, reinterpret_cast<struct sockaddr*>(&addr), &sz);
101         if (nfd < 0)
102                 throw CoreException("Could not create ITC pipe");
103         new ThreadSignalSocket(this, nfd);
104         closesocket(listenFD);
105
106         ServerInstance->SE->Blocking(connFD);
107         this->signal.connFD = connFD;
108 }
109
110 void SocketThread::NotifyParent()
111 {
112         char dummy = '*';
113         send(signal.connFD, &dummy, 1, 0);
114 }
115
116 SocketThread::~SocketThread()
117 {
118         if (signal.connFD >= 0)
119         {
120                 shutdown(signal.connFD, 2);
121                 closesocket(signal.connFD);
122         }
123 }