X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/1632883f9ae83cb0f75b82432ab1f8ca7cfae451..8472511246c9160d4ff40ab86f635fc67c10b54a:/src/common/socket.cpp diff --git a/src/common/socket.cpp b/src/common/socket.cpp index c0c35df4e2..545a68d54f 100644 --- a/src/common/socket.cpp +++ b/src/common/socket.cpp @@ -172,7 +172,9 @@ public: m_oldflags(socket->GetFlags()) { - wxASSERT_MSG( flag == wxSOCKET_WAITALL || flag == wxSOCKET_NOWAIT, + // We can be passed only wxSOCKET_WAITALL{_READ,_WRITE} or + // wxSOCKET_NOWAIT{_READ,_WRITE} normally. + wxASSERT_MSG( !(flag & wxSOCKET_WAITALL) || !(flag & wxSOCKET_NOWAIT), "not a wait flag" ); // preserve wxSOCKET_BLOCK value when switching to wxSOCKET_WAITALL @@ -524,7 +526,7 @@ wxSocketImpl *wxSocketImpl::Accept(wxSocketBase& wxsocket) { wxSockAddressStorage from; WX_SOCKLEN_T fromlen = sizeof(from); - const SOCKET fd = accept(m_fd, &from.addr, &fromlen); + const wxSOCKET_T fd = accept(m_fd, &from.addr, &fromlen); // accepting is similar to reading in the sense that it resets "ready for // read" flag on the socket @@ -817,6 +819,8 @@ void wxSocketBase::Init() m_writing = m_closed = false; m_lcount = 0; + m_lcount_read = 0; + m_lcount_write = 0; m_timeout = 600; m_beingDeleted = false; @@ -887,8 +891,12 @@ bool wxSocketBase::Destroy() Notify(false); // Schedule this object for deletion instead of destroying it right now if - // possible as we may have other events pending for it - if ( wxTheApp ) + // it can have other events pending for it and we have a way to do it. + // + // Notice that sockets used in other threads won't have any events for them + // and we shouldn't use delayed destruction mechanism for them as it's not + // MT-safe. + if ( wxIsMainThread() && wxTheApp ) { wxTheApp->ScheduleForDestruction(this); } @@ -943,7 +951,8 @@ wxSocketBase& wxSocketBase::Read(void* buffer, wxUint32 nbytes) { wxSocketReadGuard read(this); - m_lcount = DoRead(buffer, nbytes); + m_lcount_read = DoRead(buffer, nbytes); + m_lcount = m_lcount_read; return *this; } @@ -979,8 +988,12 @@ wxUint32 wxSocketBase::DoRead(void* buffer_, wxUint32 nbytes) if ( m_impl->GetLastError() == wxSOCKET_WOULDBLOCK ) { // if we don't want to wait, just return immediately - if ( m_flags & wxSOCKET_NOWAIT ) + if ( m_flags & wxSOCKET_NOWAIT_READ ) + { + // this shouldn't be counted as an error in this case + SetError(wxSOCKET_NOERROR); break; + } // otherwise wait until the socket becomes ready for reading or // an error occurs on it @@ -1011,7 +1024,7 @@ wxUint32 wxSocketBase::DoRead(void* buffer_, wxUint32 nbytes) // we're not going to read anything else and so if we haven't read // anything (or not everything in wxSOCKET_WAITALL case) already, // signal an error - if ( (m_flags & wxSOCKET_WAITALL) || !total ) + if ( (m_flags & wxSOCKET_WAITALL_READ) || !total ) SetError(wxSOCKET_IOERR); break; } @@ -1020,7 +1033,7 @@ wxUint32 wxSocketBase::DoRead(void* buffer_, wxUint32 nbytes) // if we are happy to read something and not the entire nbytes bytes, // then we're done - if ( !(m_flags & wxSOCKET_WAITALL) ) + if ( !(m_flags & wxSOCKET_WAITALL_READ) ) break; nbytes -= ret; @@ -1040,7 +1053,7 @@ wxSocketBase& wxSocketBase::ReadMsg(void* buffer, wxUint32 nbytes) wxSocketReadGuard read(this); - wxSocketWaitModeChanger changeFlags(this, wxSOCKET_WAITALL); + wxSocketWaitModeChanger changeFlags(this, wxSOCKET_WAITALL_READ); bool ok = false; if ( DoRead(&msg, sizeof(msg)) == sizeof(msg) ) @@ -1067,7 +1080,8 @@ wxSocketBase& wxSocketBase::ReadMsg(void* buffer, wxUint32 nbytes) len2 = 0; // Don't attempt to read if the msg was zero bytes long. - m_lcount = len ? DoRead(buffer, len) : 0; + m_lcount_read = len ? DoRead(buffer, len) : 0; + m_lcount = m_lcount_read; if ( len2 ) { @@ -1123,7 +1137,8 @@ wxSocketBase& wxSocketBase::Write(const void *buffer, wxUint32 nbytes) { wxSocketWriteGuard write(this); - m_lcount = DoWrite(buffer, nbytes); + m_lcount_write = DoWrite(buffer, nbytes); + m_lcount = m_lcount_write; return *this; } @@ -1143,7 +1158,7 @@ wxUint32 wxSocketBase::DoWrite(const void *buffer_, wxUint32 nbytes) { if ( m_impl->m_stream && !m_connected ) { - if ( (m_flags & wxSOCKET_WAITALL) || !total ) + if ( (m_flags & wxSOCKET_WAITALL_WRITE) || !total ) SetError(wxSOCKET_IOERR); break; } @@ -1153,7 +1168,7 @@ wxUint32 wxSocketBase::DoWrite(const void *buffer_, wxUint32 nbytes) { if ( m_impl->GetLastError() == wxSOCKET_WOULDBLOCK ) { - if ( m_flags & wxSOCKET_NOWAIT ) + if ( m_flags & wxSOCKET_NOWAIT_WRITE ) break; if ( !DoWaitWithTimeout(wxSOCKET_OUTPUT_FLAG) ) @@ -1173,7 +1188,7 @@ wxUint32 wxSocketBase::DoWrite(const void *buffer_, wxUint32 nbytes) total += ret; - if ( !(m_flags & wxSOCKET_WAITALL) ) + if ( !(m_flags & wxSOCKET_WAITALL_WRITE) ) break; nbytes -= ret; @@ -1193,7 +1208,7 @@ wxSocketBase& wxSocketBase::WriteMsg(const void *buffer, wxUint32 nbytes) wxSocketWriteGuard write(this); - wxSocketWaitModeChanger changeFlags(this, wxSOCKET_WAITALL); + wxSocketWaitModeChanger changeFlags(this, wxSOCKET_WAITALL_WRITE); msg.sig[0] = (unsigned char) 0xad; msg.sig[1] = (unsigned char) 0xde; @@ -1208,8 +1223,9 @@ wxSocketBase& wxSocketBase::WriteMsg(const void *buffer, wxUint32 nbytes) bool ok = false; if ( DoWrite(&msg, sizeof(msg)) == sizeof(msg) ) { - m_lcount = DoWrite(buffer, nbytes); - if ( m_lcount == nbytes ) + m_lcount_write = DoWrite(buffer, nbytes); + m_lcount = m_lcount_write; + if ( m_lcount_write == nbytes ) { msg.sig[0] = (unsigned char) 0xed; msg.sig[1] = (unsigned char) 0xfe; @@ -1293,17 +1309,31 @@ wxSocketEventFlags wxSocketImpl::Select(wxSocketEventFlags flags, exceptfds; // always want to know about errors if ( flags & wxSOCKET_INPUT_FLAG ) - { preadfds = &readfds; + + if ( flags & wxSOCKET_OUTPUT_FLAG ) + pwritefds = &writefds; + + // When using non-blocking connect() the client socket becomes connected + // (successfully or not) when it becomes writable but when using + // non-blocking accept() the server socket becomes connected when it + // becomes readable. + if ( flags & wxSOCKET_CONNECTION_FLAG ) + { + if ( m_server ) + preadfds = &readfds; + else + pwritefds = &writefds; + } + + if ( preadfds ) + { wxFD_ZERO(preadfds); wxFD_SET(m_fd, preadfds); } - // when using non-blocking connect() the socket becomes connected - // (successfully or not) when it becomes writable - if ( flags & (wxSOCKET_OUTPUT_FLAG | wxSOCKET_CONNECTION_FLAG) ) + if ( pwritefds ) { - pwritefds = &writefds; wxFD_ZERO(pwritefds); wxFD_SET(m_fd, pwritefds); } @@ -1796,7 +1826,11 @@ wxSocketServer::wxSocketServer(const wxSockAddress& addr, return; } - wxLogTrace( wxTRACE_Socket, wxT("wxSocketServer on fd %d"), m_impl->m_fd ); + // Notice that we need a cast as wxSOCKET_T is 64 bit under Win64 and that + // the cast is safe because a wxSOCKET_T is a handle and so limited to 32 + // (or, actually, even 24) bit values anyhow. + wxLogTrace( wxTRACE_Socket, wxT("wxSocketServer on fd %u"), + static_cast<unsigned>(m_impl->m_fd) ); } // -------------------------------------------------------------------------- @@ -1860,6 +1894,14 @@ bool wxSocketServer::WaitForAccept(long seconds, long milliseconds) return DoWait(seconds, milliseconds, wxSOCKET_CONNECTION_FLAG) == 1; } +wxSOCKET_T wxSocketBase::GetSocket() const +{ + wxASSERT_MSG( m_impl, wxS("Socket not initialised") ); + + return m_impl->m_fd; +} + + bool wxSocketBase::GetOption(int level, int optname, void *optval, int *optlen) { wxASSERT_MSG( m_impl, wxT("Socket not initialised") ); @@ -2093,7 +2135,7 @@ wxFORCE_LINK_MODULE( socketiohandler ) #endif // same for ManagerSetter in the MSW file -#ifdef __WXMSW__ +#ifdef __WINDOWS__ wxFORCE_LINK_MODULE( mswsocket ) #endif