From e490c3c7f7bb5461cfa78a214827aa534fb43a3e Mon Sep 17 00:00:00 2001
From: Sven Gothel <sgothel@jausoft.com>
Date: Sat, 21 Mar 2015 21:19:34 +0100
Subject: Bump OculusVR RIFT SDK to 0.4.4
---
LibOVR/Src/Net/OVR_Win32_Socket.cpp | 608 ++++++++++++++++++++++++++++++++++++
1 file changed, 608 insertions(+)
create mode 100644 LibOVR/Src/Net/OVR_Win32_Socket.cpp
(limited to 'LibOVR/Src/Net/OVR_Win32_Socket.cpp')
diff --git a/LibOVR/Src/Net/OVR_Win32_Socket.cpp b/LibOVR/Src/Net/OVR_Win32_Socket.cpp
new file mode 100644
index 0000000..edc6ade
--- /dev/null
+++ b/LibOVR/Src/Net/OVR_Win32_Socket.cpp
@@ -0,0 +1,608 @@
+/************************************************************************************
+
+Filename : OVR_Win32_Socket.cpp
+Content : Windows-specific socket-based networking implementation
+Created : June 10, 2014
+Authors : Kevin Jenkins
+
+Copyright : Copyright 2014 Oculus VR, LLC All Rights reserved.
+
+Licensed under the Oculus VR Rift SDK License Version 3.2 (the "License");
+you may not use the Oculus VR Rift SDK except in compliance with the License,
+which is provided at the time of installation or download, or which
+otherwise accompanies this software in either electronic or hard copy form.
+
+You may obtain a copy of the License at
+
+http://www.oculusvr.com/licenses/LICENSE-3.2
+
+Unless required by applicable law or agreed to in writing, the Oculus VR SDK
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+
+************************************************************************************/
+
+#include "OVR_Win32_Socket.h"
+#include "../Kernel/OVR_Std.h"
+#include "../Kernel/OVR_Allocator.h"
+#include "../Kernel/OVR_Threads.h" // Thread::MSleep
+#include "../Kernel/OVR_Log.h"
+
+#include <Winsock2.h>
+
+namespace OVR { namespace Net {
+
+
+//-----------------------------------------------------------------------------
+// WSAStartupSingleton
+
+class WSAStartupSingleton
+{
+public:
+ static void AddRef(void);
+ static void Deref(void);
+
+protected:
+ static int RefCount;
+};
+
+
+// Local data
+int WSAStartupSingleton::RefCount = 0;
+
+
+// Implementation
+void WSAStartupSingleton::AddRef()
+{
+ if (++RefCount == 1)
+ {
+ WSADATA winsockInfo;
+ const int errCode = WSAStartup(MAKEWORD(2, 2), &winsockInfo);
+ OVR_ASSERT(errCode == 0);
+
+ // If an error code is returned
+ if (errCode != 0)
+ {
+ LogError("{ERR-007w} [Socket] Unable to initialize Winsock %d", errCode);
+ }
+ }
+}
+
+void WSAStartupSingleton::Deref()
+{
+ OVR_ASSERT(RefCount > 0);
+
+ if (RefCount > 0)
+ {
+ if (--RefCount == 0)
+ {
+ WSACleanup();
+ RefCount = 0;
+ }
+ }
+}
+
+
+//-----------------------------------------------------------------------------
+// BerkleySocket
+
+void BerkleySocket::Close()
+{
+ if (TheSocket != INVALID_SOCKET)
+ {
+ closesocket(TheSocket);
+ TheSocket = INVALID_SOCKET;
+ }
+}
+
+int32_t BerkleySocket::GetSockname(SockAddr *pSockAddrOut)
+{
+ struct sockaddr_in6 sa;
+ memset(&sa,0,sizeof(sa));
+ int size = sizeof(sa);
+ int32_t i = getsockname(TheSocket, (sockaddr*) &sa, &size);
+ if (i>=0)
+ {
+ pSockAddrOut->Set(&sa);
+ }
+ return i;
+}
+
+
+//-----------------------------------------------------------------------------
+// BitStream overloads for SockAddr
+
+BitStream& operator<<(BitStream& out, SockAddr& in)
+{
+ out.WriteBits((const unsigned char*) &in.Addr6, sizeof(in.Addr6)*8, true);
+ return out;
+}
+
+BitStream& operator>>(BitStream& in, SockAddr& out)
+{
+ bool success = in.ReadBits((unsigned char*) &out.Addr6, sizeof(out.Addr6)*8, true);
+ OVR_ASSERT(success);
+ OVR_UNUSED(success);
+ return in;
+}
+
+
+//-----------------------------------------------------------------------------
+// SockAddr
+
+SockAddr::SockAddr()
+{
+ WSAStartupSingleton::AddRef();
+
+ // Zero out the address to squelch static analysis tools
+ ZeroMemory(&Addr6, sizeof(Addr6));
+}
+
+SockAddr::SockAddr(SockAddr* address)
+{
+ WSAStartupSingleton::AddRef();
+ Set(&address->Addr6);
+}
+
+SockAddr::SockAddr(sockaddr_storage* storage)
+{
+ WSAStartupSingleton::AddRef();
+ Set(storage);
+}
+
+SockAddr::SockAddr(sockaddr_in6* address)
+{
+ WSAStartupSingleton::AddRef();
+ Set(address);
+}
+
+SockAddr::SockAddr(const char* hostAddress, uint16_t port, int sockType)
+{
+ WSAStartupSingleton::AddRef();
+ Set(hostAddress, port, sockType);
+}
+
+void SockAddr::Set(const sockaddr_storage* storage)
+{
+ memcpy(&Addr6, storage, sizeof(Addr6));
+}
+
+void SockAddr::Set(const sockaddr_in6* address)
+{
+ memcpy(&Addr6, address, sizeof(Addr6));
+}
+
+void SockAddr::Set(const char* hostAddress, uint16_t port, int sockType)
+{
+ memset(&Addr6, 0, sizeof(Addr6));
+
+ struct addrinfo hints;
+
+ // make sure the struct is empty
+ memset(&hints, 0, sizeof (addrinfo));
+
+ hints.ai_socktype = sockType; // SOCK_DGRAM or SOCK_STREAM
+ hints.ai_flags = AI_PASSIVE; // fill in my IP for me
+ hints.ai_family = AF_UNSPEC ;
+
+ // FIXME See OVR_Unix_Socket implementation and man pages for getaddrinfo.
+ // ai_protocol is expecting to be either IPPROTO_UDP and IPPROTO_TCP.
+ // But this has been working on windows so I'm leaving it be for
+ // now instead of introducing another variable.
+ hints.ai_protocol = IPPROTO_IPV6;
+
+ struct addrinfo* servinfo = NULL; // will point to the results
+
+ char portStr[32];
+ OVR_itoa(port, portStr, sizeof(portStr), 10);
+ int errcode = getaddrinfo(hostAddress, portStr, &hints, &servinfo);
+
+ if (0 != errcode)
+ {
+ OVR::LogError("{ERR-008w} getaddrinfo error: %s", gai_strerror(errcode));
+ }
+
+ OVR_ASSERT(servinfo);
+
+ if (servinfo)
+ {
+ memcpy(&Addr6, servinfo->ai_addr, sizeof(Addr6));
+
+ freeaddrinfo(servinfo);
+ }
+}
+
+uint16_t SockAddr::GetPort()
+{
+ return htons(Addr6.sin6_port);
+}
+
+String SockAddr::ToString(bool writePort, char portDelineator) const
+{
+ char dest[INET6_ADDRSTRLEN + 1];
+
+ int ret = getnameinfo((struct sockaddr*)&Addr6,
+ sizeof(struct sockaddr_in6),
+ dest,
+ INET6_ADDRSTRLEN,
+ NULL,
+ 0,
+ NI_NUMERICHOST);
+ if (ret != 0)
+ {
+ dest[0] = '\0';
+ }
+
+ if (writePort)
+ {
+ unsigned char ch[2];
+ ch[0]=portDelineator;
+ ch[1]=0;
+ OVR_strcat(dest, 16, (const char*) ch);
+ OVR_itoa(ntohs(Addr6.sin6_port), dest+strlen(dest), 16, 10);
+ }
+
+ return String(dest);
+}
+bool SockAddr::IsLocalhost() const
+{
+ static const unsigned char localhost_bytes[] =
+ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 };
+
+ return memcmp(Addr6.sin6_addr.s6_addr, localhost_bytes, 16) == 0;
+}
+bool SockAddr::operator==( const SockAddr& right ) const
+{
+ return memcmp(&Addr6, &right.Addr6, sizeof(Addr6)) == 0;
+}
+
+bool SockAddr::operator!=( const SockAddr& right ) const
+{
+ return !(*this == right);
+}
+
+bool SockAddr::operator>( const SockAddr& right ) const
+{
+ return memcmp(&Addr6, &right.Addr6, sizeof(Addr6)) > 0;
+}
+
+bool SockAddr::operator<( const SockAddr& right ) const
+{
+ return memcmp(&Addr6, &right.Addr6, sizeof(Addr6)) < 0;
+}
+
+static bool SetSocketOptions(SocketHandle sock)
+{
+ int result = 0;
+ int sock_opt;
+
+ // This doubles the max throughput rate
+ sock_opt = 1024 * 256;
+ result |= setsockopt(sock, SOL_SOCKET, SO_RCVBUF, (char *)& sock_opt, sizeof (sock_opt));
+
+ // Immediate hard close. Don't linger the socket, or recreating the socket quickly on Vista fails.
+ sock_opt = 0;
+ result |= setsockopt(sock, SOL_SOCKET, SO_LINGER, (char *)& sock_opt, sizeof (sock_opt));
+
+ // This doesn't make much difference: 10% maybe
+ sock_opt = 1024 * 16;
+ result |= setsockopt(sock, SOL_SOCKET, SO_SNDBUF, (char *)& sock_opt, sizeof (sock_opt));
+
+ // If all the setsockopt() returned 0 there were no failures, so return true for success, else false
+ return result == 0;
+}
+
+void _Ioctlsocket(SocketHandle sock, unsigned long nonblocking)
+{
+ ioctlsocket(sock, FIONBIO, &nonblocking);
+}
+
+static SocketHandle BindShared(int ai_family, int ai_socktype, BerkleyBindParameters* pBindParameters)
+{
+ SocketHandle sock;
+
+ struct addrinfo hints;
+ memset(&hints, 0, sizeof (addrinfo)); // make sure the struct is empty
+ hints.ai_family = ai_family;
+ hints.ai_socktype = ai_socktype;
+ hints.ai_flags = AI_PASSIVE; // fill in my IP for me
+ struct addrinfo *servinfo=0, *aip; // will point to the results
+ char portStr[32];
+ OVR_itoa(pBindParameters->Port, portStr, sizeof(portStr), 10);
+
+ int errcode = 0;
+ if (!pBindParameters->Address.IsEmpty())
+ errcode = getaddrinfo(pBindParameters->Address.ToCStr(), portStr, &hints, &servinfo);
+ else
+ errcode = getaddrinfo(0, portStr, &hints, &servinfo);
+
+ if (0 != errcode)
+ {
+ OVR::LogError("{ERR-020w} getaddrinfo error: %s", gai_strerror(errcode));
+ }
+
+ for (aip = servinfo; aip != NULL; aip = aip->ai_next)
+ {
+ // Open socket. The address type depends on what
+ // getaddrinfo() gave us.
+ sock = socket(aip->ai_family, aip->ai_socktype, aip->ai_protocol);
+ if (sock != INVALID_SOCKET)
+ {
+ if (bind(sock, aip->ai_addr, (int)aip->ai_addrlen) != SOCKET_ERROR)
+ {
+ // The actual socket is always non-blocking
+ // I control blocking or not using WSAEventSelect
+ _Ioctlsocket(sock, 1);
+ freeaddrinfo(servinfo);
+ return sock;
+ }
+
+ closesocket(sock);
+ }
+ }
+
+ if (servinfo) { freeaddrinfo(servinfo); }
+ return INVALID_SOCKET;
+}
+
+
+//-----------------------------------------------------------------------------
+// UDPSocket
+
+UDPSocket::UDPSocket()
+{
+ WSAStartupSingleton::AddRef();
+ RecvBuf = new uint8_t[RecvBufSize];
+}
+
+UDPSocket::~UDPSocket()
+{
+ WSAStartupSingleton::Deref();
+ delete[] RecvBuf;
+}
+
+SocketHandle UDPSocket::Bind(BerkleyBindParameters *pBindParameters)
+{
+ SocketHandle s = BindShared(AF_INET6, SOCK_DGRAM, pBindParameters);
+ if (s == INVALID_SOCKET)
+ return s;
+
+ Close();
+ TheSocket = s;
+ SetSocketOptions(TheSocket);
+
+ return TheSocket;
+}
+
+void UDPSocket::OnRecv(SocketEvent_UDP* eventHandler, uint8_t* pData, int bytesRead, SockAddr* address)
+{
+ eventHandler->UDP_OnRecv(this, pData, bytesRead, address);
+}
+
+int UDPSocket::Send(const void* pData, int bytes, SockAddr* address)
+{
+ return sendto(TheSocket, (const char*)pData, bytes, 0, (const sockaddr*)&address->Addr6, sizeof(address->Addr6));
+}
+
+void UDPSocket::Poll(SocketEvent_UDP *eventHandler)
+{
+ struct sockaddr_storage win32_addr;
+ socklen_t fromlen;
+ int bytesRead;
+
+ // FIXME: Implement blocking poll wait for UDP
+
+ // While some bytes are read,
+ while (fromlen = sizeof(win32_addr), // Must set fromlen each time
+ bytesRead = recvfrom(TheSocket, (char*)RecvBuf, RecvBufSize, 0, (sockaddr*)&win32_addr, &fromlen),
+ bytesRead > 0)
+ {
+ SockAddr address(&win32_addr); // Wrap address
+
+ OnRecv(eventHandler, RecvBuf, bytesRead, &address);
+ }
+}
+
+
+//-----------------------------------------------------------------------------
+// TCPSocket
+
+TCPSocket::TCPSocket()
+{
+ IsConnecting = false;
+ IsListenSocket = false;
+ WSAStartupSingleton::AddRef();
+}
+TCPSocket::TCPSocket(SocketHandle boundHandle, bool isListenSocket)
+{
+ TheSocket = boundHandle;
+ IsListenSocket = isListenSocket;
+ IsConnecting = false;
+ WSAStartupSingleton::AddRef();
+ SetSocketOptions(TheSocket);
+
+ // The actual socket is always non-blocking
+ _Ioctlsocket(TheSocket, 1);
+}
+
+TCPSocket::~TCPSocket()
+{
+ WSAStartupSingleton::Deref();
+}
+
+void TCPSocket::OnRecv(SocketEvent_TCP* eventHandler, uint8_t* pData, int bytesRead)
+{
+ eventHandler->TCP_OnRecv(this, pData, bytesRead);
+}
+
+SocketHandle TCPSocket::Bind(BerkleyBindParameters* pBindParameters)
+{
+ SocketHandle s = BindShared(AF_INET6, SOCK_STREAM, pBindParameters);
+ if (s == INVALID_SOCKET)
+ return s;
+
+ Close();
+
+ SetBlockingTimeout(pBindParameters->blockingTimeout);
+ TheSocket = s;
+
+ SetSocketOptions(TheSocket);
+
+ return TheSocket;
+}
+
+int TCPSocket::Listen()
+{
+ if (IsListenSocket)
+ {
+ return 0;
+ }
+
+ int i = listen(TheSocket, SOMAXCONN);
+ if (i >= 0)
+ {
+ IsListenSocket = true;
+ }
+
+ return i;
+}
+
+int TCPSocket::Connect(SockAddr* address)
+{
+ int retval;
+
+ retval = connect(TheSocket, (struct sockaddr *) &address->Addr6, sizeof(address->Addr6));
+ if (retval < 0)
+ {
+ DWORD dwIOError = WSAGetLastError();
+ if (dwIOError == WSAEWOULDBLOCK)
+ {
+ IsConnecting = true;
+ return 0;
+ }
+
+ printf( "TCPSocket::Connect failed:Error code - %d\n", dwIOError );
+ }
+
+ return retval;
+}
+
+int TCPSocket::Send(const void* pData, int bytes)
+{
+ if (bytes <= 0)
+ {
+ return 0;
+ }
+ else
+ {
+ return send(TheSocket, (const char*)pData, bytes, 0);
+ }
+}
+
+
+//// TCPSocketPollState
+
+TCPSocketPollState::TCPSocketPollState()
+{
+ FD_ZERO(&readFD);
+ FD_ZERO(&exceptionFD);
+ FD_ZERO(&writeFD);
+ largestDescriptor = INVALID_SOCKET;
+}
+
+bool TCPSocketPollState::IsValid() const
+{
+ return largestDescriptor != INVALID_SOCKET;
+}
+
+void TCPSocketPollState::Add(TCPSocket* tcpSocket)
+{
+ if (!tcpSocket)
+ {
+ return;
+ }
+
+ SocketHandle handle = tcpSocket->GetSocketHandle();
+
+ if (largestDescriptor == INVALID_SOCKET ||
+ largestDescriptor < handle)
+ {
+ largestDescriptor = handle;
+ }
+
+ FD_SET(handle, &readFD);
+ FD_SET(handle, &exceptionFD);
+
+ if (tcpSocket->IsConnecting)
+ {
+ FD_SET(handle, &writeFD);
+ }
+}
+
+bool TCPSocketPollState::Poll(long usec, long seconds)
+{
+ timeval tv;
+ tv.tv_sec = seconds;
+ tv.tv_usec = usec;
+
+ return (int)select((int)largestDescriptor + 1, &readFD, &writeFD, &exceptionFD, &tv) > 0;
+}
+
+void TCPSocketPollState::HandleEvent(TCPSocket* tcpSocket, SocketEvent_TCP* eventHandler)
+{
+ if (!tcpSocket || !eventHandler)
+ {
+ return;
+ }
+
+ SocketHandle handle = tcpSocket->GetSocketHandle();
+
+ if (tcpSocket->IsConnecting && FD_ISSET(handle, &writeFD))
+ {
+ tcpSocket->IsConnecting = false;
+ eventHandler->TCP_OnConnected(tcpSocket);
+ }
+
+ if (FD_ISSET(handle, &readFD))
+ {
+ if (!tcpSocket->IsListenSocket)
+ {
+ static const int BUFF_SIZE = 8096;
+ char data[BUFF_SIZE];
+
+ int bytesRead = recv(handle, data, BUFF_SIZE, 0);
+ if (bytesRead > 0)
+ {
+ tcpSocket->OnRecv(eventHandler, (uint8_t*)data, bytesRead);
+ }
+ else // Disconnection event:
+ {
+ tcpSocket->IsConnecting = false;
+ eventHandler->TCP_OnClosed(tcpSocket);
+ }
+ }
+ else
+ {
+ struct sockaddr_storage sockAddr;
+ socklen_t sockAddrSize = sizeof(sockAddr);
+
+ SocketHandle newSock = accept(handle, (sockaddr*)&sockAddr, (socklen_t*)&sockAddrSize);
+ if (newSock != INVALID_SOCKET)
+ {
+ SockAddr sa(&sockAddr);
+ eventHandler->TCP_OnAccept(tcpSocket, &sa, newSock);
+ }
+ }
+ }
+
+ if (FD_ISSET(handle, &exceptionFD))
+ {
+ tcpSocket->IsConnecting = false;
+ eventHandler->TCP_OnClosed(tcpSocket);
+ }
+}
+
+
+}} // namespace OVR::Net
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