Merge pull request #1162 from SaberUK/insp20+fix-deinstall

[user/henk/code/inspircd.git] / src / socketengine.cpp

diff --git a/src/socketengine.cpp b/src/socketengine.cpp
index 98916e6023bb21620b01198d52f09a4bba3b24da..4a9a2ef10539e1b0c50d5c77fbc02e6aa6b49227 100644 (file)
--- a/src/socketengine.cpp
+++ b/src/socketengine.cpp
@@ -1,21 +1,32 @@
-/*       +------------------------------------+
- *       | Inspire Internet Relay Chat Daemon |
- *       +------------------------------------+
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
  *
- *  InspIRCd: (C) 2002-2010 InspIRCd Development Team
- * See: http://wiki.inspircd.org/Credits
+ *   Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
+ *   Copyright (C) 2008 Robin Burchell <robin+git@viroteck.net>
+ *   Copyright (C) 2005-2008 Craig Edwards <craigedwards@brainbox.cc>
+ *   Copyright (C) 2007 Burlex <???@???>
+ *   Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
  *
- * This program is free but copyrighted software; see
- *         the file COPYING for details.
+ * This file is part of InspIRCd.  InspIRCd is free software: you can
+ * redistribute it and/or modify it under the terms of the GNU General Public
+ * License as published by the Free Software Foundation, version 2.
  *
- * ---------------------------------------------------
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+
 #include "inspircd.h"
 
 EventHandler::EventHandler()
 {
        fd = -1;
+       event_mask = 0;
 }
 
 void EventHandler::SetFd(int FD)
@@ -87,7 +98,7 @@ bool SocketEngine::HasFd(int fd)
 {
        if ((fd < 0) || (fd > GetMaxFds()))
                return false;
-       return ref[fd];
+       return (ref[fd] != NULL);
 }
 
 EventHandler* SocketEngine::GetRef(int fd)
@@ -114,7 +125,7 @@ int SocketEngine::Accept(EventHandler* fd, sockaddr *addr, socklen_t *addrlen)
 
 int SocketEngine::Close(EventHandler* fd)
 {
-#ifdef WINDOWS
+#ifdef _WIN32
        return closesocket(fd->GetFd());
 #else
        return close(fd->GetFd());
@@ -123,7 +134,7 @@ int SocketEngine::Close(EventHandler* fd)
 
 int SocketEngine::Close(int fd)
 {
-#ifdef WINDOWS
+#ifdef _WIN32
        return closesocket(fd);
 #else
        return close(fd);
@@ -132,7 +143,7 @@ int SocketEngine::Close(int fd)
 
 int SocketEngine::Blocking(int fd)
 {
-#ifdef WINDOWS
+#ifdef _WIN32
        unsigned long opt = 0;
        return ioctlsocket(fd, FIONBIO, &opt);
 #else
@@ -143,7 +154,7 @@ int SocketEngine::Blocking(int fd)
 
 int SocketEngine::NonBlocking(int fd)
 {
-#ifdef WINDOWS
+#ifdef _WIN32
        unsigned long opt = 1;
        return ioctlsocket(fd, FIONBIO, &opt);
 #else
@@ -155,41 +166,49 @@ int SocketEngine::NonBlocking(int fd)
 void SocketEngine::SetReuse(int fd)
 {
        int on = 1;
-       struct linger linger = { 0, 0 };
        setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (char*)&on, sizeof(on));
-       /* This is BSD compatible, setting l_onoff to 0 is *NOT* http://web.irc.org/mla/ircd-dev/msg02259.html */
-       linger.l_onoff = 1;
-       linger.l_linger = 1;
-       setsockopt(fd, SOL_SOCKET, SO_LINGER, (char*)&linger, sizeof(linger));
 }
 
 int SocketEngine::RecvFrom(EventHandler* fd, void *buf, size_t len, int flags, sockaddr *from, socklen_t *fromlen)
 {
-       this->UpdateStats(len, 0);
-       return recvfrom(fd->GetFd(), (char*)buf, len, flags, from, fromlen);
+       int nbRecvd = recvfrom(fd->GetFd(), (char*)buf, len, flags, from, fromlen);
+       if (nbRecvd > 0)
+               this->UpdateStats(nbRecvd, 0);
+       return nbRecvd;
 }
 
 int SocketEngine::Send(EventHandler* fd, const void *buf, size_t len, int flags)
 {
-       this->UpdateStats(0, len);
-       return send(fd->GetFd(), (char*)buf, len, flags);
+       int nbSent = send(fd->GetFd(), (const char*)buf, len, flags);
+       if (nbSent > 0)
+               this->UpdateStats(0, nbSent);
+       return nbSent;
 }
 
 int SocketEngine::Recv(EventHandler* fd, void *buf, size_t len, int flags)
 {
-       this->UpdateStats(len, 0);
-       return recv(fd->GetFd(), (char*)buf, len, flags);
+       int nbRecvd = recv(fd->GetFd(), (char*)buf, len, flags);
+       if (nbRecvd > 0)
+               this->UpdateStats(nbRecvd, 0);
+       return nbRecvd;
 }
 
 int SocketEngine::SendTo(EventHandler* fd, const void *buf, size_t len, int flags, const sockaddr *to, socklen_t tolen)
 {
-       this->UpdateStats(0, len);
-       return sendto(fd->GetFd(), (char*)buf, len, flags, to, tolen);
+       int nbSent = sendto(fd->GetFd(), (const char*)buf, len, flags, to, tolen);
+       if (nbSent > 0)
+               this->UpdateStats(0, nbSent);
+       return nbSent;
 }
 
 int SocketEngine::Connect(EventHandler* fd, const sockaddr *serv_addr, socklen_t addrlen)
 {
-       return connect(fd->GetFd(), serv_addr, addrlen);
+       int ret = connect(fd->GetFd(), serv_addr, addrlen);
+#ifdef _WIN32
+       if ((ret == SOCKET_ERROR) && (WSAGetLastError() == WSAEWOULDBLOCK))
+               errno = EINPROGRESS;
+#endif
+       return ret;
 }
 
 int SocketEngine::Shutdown(EventHandler* fd, int how)
@@ -236,3 +255,32 @@ void SocketEngine::GetStats(float &kbitpersec_in, float &kbitpersec_out, float &
        kbitpersec_in = in_kbit / 1024;
        kbitpersec_out = out_kbit / 1024;
 }
+
+std::string SocketEngine::LastError()
+{
+#ifndef _WIN32
+       return strerror(errno);
+#else
+       char szErrorString[500];
+       DWORD dwErrorCode = WSAGetLastError();
+       if (FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, NULL, dwErrorCode, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPSTR)szErrorString, _countof(szErrorString), NULL) == 0)
+               sprintf_s(szErrorString, _countof(szErrorString), "Error code: %u", dwErrorCode);
+
+       std::string::size_type p;
+       std::string ret = szErrorString;
+       while ((p = ret.find_last_of("\r\n")) != std::string::npos)
+               ret.erase(p, 1);
+
+       return ret;
+#endif
+}
+
+std::string SocketEngine::GetError(int errnum)
+{
+#ifndef _WIN32
+       return strerror(errnum);
+#else
+       WSASetLastError(errnum);
+       return LastError();
+#endif
+}