diff options
Diffstat (limited to 'LibOVR/Src/Net/OVR_Win32_Socket.cpp')
-rw-r--r-- | LibOVR/Src/Net/OVR_Win32_Socket.cpp | 1226 |
1 files changed, 618 insertions, 608 deletions
diff --git a/LibOVR/Src/Net/OVR_Win32_Socket.cpp b/LibOVR/Src/Net/OVR_Win32_Socket.cpp index edc6ade..3cd2ada 100644 --- a/LibOVR/Src/Net/OVR_Win32_Socket.cpp +++ b/LibOVR/Src/Net/OVR_Win32_Socket.cpp @@ -1,608 +1,618 @@ -/************************************************************************************
-
-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
+/************************************************************************************ + +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> +#pragma comment(lib, "ws2_32.lib") + +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(); + + if (TheSocket != INVALID_SOCKET) + { + 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; + } + + LogError("[TCPSocket] ERROR: Connect failed. Error code - %d", (int)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() +{ + memset(&readFD, 0, sizeof(readFD)); + memset(&exceptionFD, 0, sizeof(exceptionFD)); + memset(&writeFD, 0, sizeof(writeFD)); + + 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 |