X-Git-Url: https://scm.cri.ensmp.fr/git/Faustine.git/blobdiff_plain/1059e1cc0c2ecfa237406949aa26155b6a5b9154..66f23d4fabf89ad09adbd4dfc15ac6b5b2b7da83:/interpretor/preprocessor/faust-0.9.47mr3/architecture/osclib/oscpack/ip/posix/UdpSocket.cpp diff --git a/interpretor/preprocessor/faust-0.9.47mr3/architecture/osclib/oscpack/ip/posix/UdpSocket.cpp b/interpretor/preprocessor/faust-0.9.47mr3/architecture/osclib/oscpack/ip/posix/UdpSocket.cpp deleted file mode 100644 index ddb7e9e..0000000 --- a/interpretor/preprocessor/faust-0.9.47mr3/architecture/osclib/oscpack/ip/posix/UdpSocket.cpp +++ /dev/null @@ -1,546 +0,0 @@ -/* - oscpack -- Open Sound Control packet manipulation library - http://www.audiomulch.com/~rossb/oscpack - - Copyright (c) 2004-2005 Ross Bencina - - Permission is hereby granted, free of charge, to any person obtaining - a copy of this software and associated documentation files - (the "Software"), to deal in the Software without restriction, - including without limitation the rights to use, copy, modify, merge, - publish, distribute, sublicense, and/or sell copies of the Software, - and to permit persons to whom the Software is furnished to do so, - subject to the following conditions: - - The above copyright notice and this permission notice shall be - included in all copies or substantial portions of the Software. - - Any person wishing to distribute modifications to the Software is - requested to send the modifications to the original developer so that - they can be incorporated into the canonical version. - - THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR - ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF - CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. -*/ -#include "ip/UdpSocket.h" - -#include -#include -#include -#include -#include -#include -#include -#include // for memset - -#include -#include -#include -#include -#include -#include -#include -#include -#include // for sockaddr_in - -#include "ip/PacketListener.h" -#include "ip/TimerListener.h" - - -#if defined(__APPLE__) && !defined(_SOCKLEN_T) -// pre system 10.3 didn have socklen_t -typedef ssize_t socklen_t; -#endif - - -static void SockaddrFromIpEndpointName( struct sockaddr_in& sockAddr, const IpEndpointName& endpoint ) -{ - memset( (char *)&sockAddr, 0, sizeof(sockAddr ) ); - sockAddr.sin_family = AF_INET; - - sockAddr.sin_addr.s_addr = - (endpoint.address == IpEndpointName::ANY_ADDRESS) - ? INADDR_ANY - : htonl( endpoint.address ); - - sockAddr.sin_port = - (endpoint.port == IpEndpointName::ANY_PORT) - ? 0 - : htons( endpoint.port ); -} - - -static IpEndpointName IpEndpointNameFromSockaddr( const struct sockaddr_in& sockAddr ) -{ - return IpEndpointName( - (sockAddr.sin_addr.s_addr == INADDR_ANY) - ? IpEndpointName::ANY_ADDRESS - : ntohl( sockAddr.sin_addr.s_addr ), - (sockAddr.sin_port == 0) - ? IpEndpointName::ANY_PORT - : ntohs( sockAddr.sin_port ) - ); -} - - -class UdpSocket::Implementation{ - bool isBound_; - bool isConnected_; - - int socket_; - struct sockaddr_in connectedAddr_; - struct sockaddr_in sendToAddr_; - -public: - - Implementation() - : isBound_( false ) - , isConnected_( false ) - , socket_( -1 ) - { - if( (socket_ = socket( AF_INET, SOCK_DGRAM, 0 )) == -1 ){ - throw std::runtime_error("unable to create udp socket\n"); - } - - memset( &sendToAddr_, 0, sizeof(sendToAddr_) ); - sendToAddr_.sin_family = AF_INET; - } - - ~Implementation() - { - if (socket_ != -1) close(socket_); - } - - IpEndpointName LocalEndpointFor( const IpEndpointName& remoteEndpoint ) const - { - assert( isBound_ ); - - // first connect the socket to the remote server - - struct sockaddr_in connectSockAddr; - SockaddrFromIpEndpointName( connectSockAddr, remoteEndpoint ); - - if (connect(socket_, (struct sockaddr *)&connectSockAddr, sizeof(connectSockAddr)) < 0) { - throw std::runtime_error("unable to connect udp socket\n"); - } - - // get the address - - struct sockaddr_in sockAddr; - memset( (char *)&sockAddr, 0, sizeof(sockAddr ) ); - socklen_t length = sizeof(sockAddr); - if (getsockname(socket_, (struct sockaddr *)&sockAddr, &length) < 0) { - throw std::runtime_error("unable to getsockname\n"); - } - - if( isConnected_ ){ - // reconnect to the connected address - - if (connect(socket_, (struct sockaddr *)&connectedAddr_, sizeof(connectedAddr_)) < 0) { - throw std::runtime_error("unable to connect udp socket\n"); - } - - }else{ - // unconnect from the remote address - - struct sockaddr_in unconnectSockAddr; - memset( (char *)&unconnectSockAddr, 0, sizeof(unconnectSockAddr ) ); - unconnectSockAddr.sin_family = AF_UNSPEC; - // address fields are zero - int connectResult = connect(socket_, (struct sockaddr *)&unconnectSockAddr, sizeof(unconnectSockAddr)); - if ( connectResult < 0 && errno != EAFNOSUPPORT ) { - throw std::runtime_error("unable to un-connect udp socket\n"); - } - } - - return IpEndpointNameFromSockaddr( sockAddr ); - } - - void Connect( const IpEndpointName& remoteEndpoint ) - { - SockaddrFromIpEndpointName( connectedAddr_, remoteEndpoint ); - - if (connect(socket_, (struct sockaddr *)&connectedAddr_, sizeof(connectedAddr_)) < 0) { - throw std::runtime_error("unable to connect udp socket\n"); - } - - isConnected_ = true; - } - - void Send( const char *data, int size ) - { - assert( isConnected_ ); - - send( socket_, data, size, 0 ); - } - - void SendTo( const IpEndpointName& remoteEndpoint, const char *data, int size ) - { - sendToAddr_.sin_addr.s_addr = htonl( remoteEndpoint.address ); - sendToAddr_.sin_port = htons( remoteEndpoint.port ); - - sendto( socket_, data, size, 0, (sockaddr*)&sendToAddr_, sizeof(sendToAddr_) ); - } - - void Bind( const IpEndpointName& localEndpoint ) - { - struct sockaddr_in bindSockAddr; - SockaddrFromIpEndpointName( bindSockAddr, localEndpoint ); - - if (bind(socket_, (struct sockaddr *)&bindSockAddr, sizeof(bindSockAddr)) < 0) { - throw std::runtime_error("unable to bind udp socket\n"); - } - - isBound_ = true; - } - - bool IsBound() const { return isBound_; } - - int ReceiveFrom( IpEndpointName& remoteEndpoint, char *data, int size ) - { - assert( isBound_ ); - - struct sockaddr_in fromAddr; - socklen_t fromAddrLen = sizeof(fromAddr); - - int result = recvfrom(socket_, data, size, 0, - (struct sockaddr *) &fromAddr, (socklen_t*)&fromAddrLen); - if( result < 0 ) - return 0; - - remoteEndpoint.address = ntohl(fromAddr.sin_addr.s_addr); - remoteEndpoint.port = ntohs(fromAddr.sin_port); - - return result; - } - - int Socket() { return socket_; } -}; - -UdpSocket::UdpSocket() -{ - impl_ = new Implementation(); -} - -UdpSocket::~UdpSocket() -{ - delete impl_; -} - -IpEndpointName UdpSocket::LocalEndpointFor( const IpEndpointName& remoteEndpoint ) const -{ - return impl_->LocalEndpointFor( remoteEndpoint ); -} - -void UdpSocket::Connect( const IpEndpointName& remoteEndpoint ) -{ - impl_->Connect( remoteEndpoint ); -} - -void UdpSocket::Send( const char *data, int size ) -{ - impl_->Send( data, size ); -} - -void UdpSocket::SendTo( const IpEndpointName& remoteEndpoint, const char *data, int size ) -{ - impl_->SendTo( remoteEndpoint, data, size ); -} - -void UdpSocket::Bind( const IpEndpointName& localEndpoint ) -{ - impl_->Bind( localEndpoint ); -} - -bool UdpSocket::IsBound() const -{ - return impl_->IsBound(); -} - -int UdpSocket::ReceiveFrom( IpEndpointName& remoteEndpoint, char *data, int size ) -{ - return impl_->ReceiveFrom( remoteEndpoint, data, size ); -} - - -struct AttachedTimerListener{ - AttachedTimerListener( int id, int p, TimerListener *tl ) - : initialDelayMs( id ) - , periodMs( p ) - , listener( tl ) {} - int initialDelayMs; - int periodMs; - TimerListener *listener; -}; - - -static bool CompareScheduledTimerCalls( - const std::pair< double, AttachedTimerListener > & lhs, const std::pair< double, AttachedTimerListener > & rhs ) -{ - return lhs.first < rhs.first; -} - - -SocketReceiveMultiplexer *multiplexerInstanceToAbortWithSigInt_ = 0; - -extern "C" /*static*/ void InterruptSignalHandler( int ); -/*static*/ void InterruptSignalHandler( int ) -{ - multiplexerInstanceToAbortWithSigInt_->AsynchronousBreak(); - signal( SIGINT, SIG_DFL ); -} - - -class SocketReceiveMultiplexer::Implementation{ - std::vector< std::pair< PacketListener*, UdpSocket* > > socketListeners_; - std::vector< AttachedTimerListener > timerListeners_; - - volatile bool break_; - int breakPipe_[2]; // [0] is the reader descriptor and [1] the writer - - double GetCurrentTimeMs() const - { - struct timeval t; - - gettimeofday( &t, 0 ); - - return ((double)t.tv_sec*1000.) + ((double)t.tv_usec / 1000.); - } - -public: - Implementation() - { - if( pipe(breakPipe_) != 0 ) - throw std::runtime_error( "creation of asynchronous break pipes failed\n" ); - } - - ~Implementation() - { - close( breakPipe_[0] ); - close( breakPipe_[1] ); - } - - void AttachSocketListener( UdpSocket *socket, PacketListener *listener ) - { - assert( std::find( socketListeners_.begin(), socketListeners_.end(), std::make_pair(listener, socket) ) == socketListeners_.end() ); - // we don't check that the same socket has been added multiple times, even though this is an error - socketListeners_.push_back( std::make_pair( listener, socket ) ); - } - - void DetachSocketListener( UdpSocket *socket, PacketListener *listener ) - { - std::vector< std::pair< PacketListener*, UdpSocket* > >::iterator i = - std::find( socketListeners_.begin(), socketListeners_.end(), std::make_pair(listener, socket) ); - assert( i != socketListeners_.end() ); - - socketListeners_.erase( i ); - } - - void AttachPeriodicTimerListener( int periodMilliseconds, TimerListener *listener ) - { - timerListeners_.push_back( AttachedTimerListener( periodMilliseconds, periodMilliseconds, listener ) ); - } - - void AttachPeriodicTimerListener( int initialDelayMilliseconds, int periodMilliseconds, TimerListener *listener ) - { - timerListeners_.push_back( AttachedTimerListener( initialDelayMilliseconds, periodMilliseconds, listener ) ); - } - - void DetachPeriodicTimerListener( TimerListener *listener ) - { - std::vector< AttachedTimerListener >::iterator i = timerListeners_.begin(); - while( i != timerListeners_.end() ){ - if( i->listener == listener ) - break; - ++i; - } - - assert( i != timerListeners_.end() ); - - timerListeners_.erase( i ); - } - - void Run() - { - break_ = false; - - // configure the master fd_set for select() - - fd_set masterfds, tempfds; - FD_ZERO( &masterfds ); - FD_ZERO( &tempfds ); - - // in addition to listening to the inbound sockets we - // also listen to the asynchronous break pipe, so that AsynchronousBreak() - // can break us out of select() from another thread. - FD_SET( breakPipe_[0], &masterfds ); - int fdmax = breakPipe_[0]; - - for( std::vector< std::pair< PacketListener*, UdpSocket* > >::iterator i = socketListeners_.begin(); - i != socketListeners_.end(); ++i ){ - - if( fdmax < i->second->impl_->Socket() ) - fdmax = i->second->impl_->Socket(); - FD_SET( i->second->impl_->Socket(), &masterfds ); - } - - - // configure the timer queue - double currentTimeMs = GetCurrentTimeMs(); - - // expiry time ms, listener - std::vector< std::pair< double, AttachedTimerListener > > timerQueue_; - for( std::vector< AttachedTimerListener >::iterator i = timerListeners_.begin(); - i != timerListeners_.end(); ++i ) - timerQueue_.push_back( std::make_pair( currentTimeMs + i->initialDelayMs, *i ) ); - std::sort( timerQueue_.begin(), timerQueue_.end(), CompareScheduledTimerCalls ); - - const int MAX_BUFFER_SIZE = 4098; - char *data = new char[ MAX_BUFFER_SIZE ]; - IpEndpointName remoteEndpoint; - - struct timeval timeout; - - while( !break_ ){ - tempfds = masterfds; - - struct timeval *timeoutPtr = 0; - if( !timerQueue_.empty() ){ - double timeoutMs = timerQueue_.front().first - GetCurrentTimeMs(); - if( timeoutMs < 0 ) - timeoutMs = 0; - - // 1000000 microseconds in a second - timeout.tv_sec = (long)(timeoutMs * .001); - timeout.tv_usec = (long)((timeoutMs - (timeout.tv_sec * 1000)) * 1000); - timeoutPtr = &timeout; - } - - if( select( fdmax + 1, &tempfds, 0, 0, timeoutPtr ) < 0 && errno != EINTR ){ - throw std::runtime_error("select failed\n"); - } - - if ( FD_ISSET( breakPipe_[0], &tempfds ) ){ - // clear pending data from the asynchronous break pipe - char c; - read( breakPipe_[0], &c, 1 ); - } - - if( break_ ) - break; - - for( std::vector< std::pair< PacketListener*, UdpSocket* > >::iterator i = socketListeners_.begin(); - i != socketListeners_.end(); ++i ){ - - if( FD_ISSET( i->second->impl_->Socket(), &tempfds ) ){ - - int size = i->second->ReceiveFrom( remoteEndpoint, data, MAX_BUFFER_SIZE ); - if( size > 0 ){ - i->first->ProcessPacket( data, size, remoteEndpoint ); - if( break_ ) - break; - } - } - } - - // execute any expired timers - currentTimeMs = GetCurrentTimeMs(); - bool resort = false; - for( std::vector< std::pair< double, AttachedTimerListener > >::iterator i = timerQueue_.begin(); - i != timerQueue_.end() && i->first <= currentTimeMs; ++i ){ - - i->second.listener->TimerExpired(); - if( break_ ) - break; - - i->first += i->second.periodMs; - resort = true; - } - if( resort ) - std::sort( timerQueue_.begin(), timerQueue_.end(), CompareScheduledTimerCalls ); - } - - delete [] data; - } - - void Break() - { - break_ = true; - } - - void AsynchronousBreak() - { - break_ = true; - - // Send a termination message to the asynchronous break pipe, so select() will return - write( breakPipe_[1], "!", 1 ); - } -}; - - - -SocketReceiveMultiplexer::SocketReceiveMultiplexer() -{ - impl_ = new Implementation(); -} - -SocketReceiveMultiplexer::~SocketReceiveMultiplexer() -{ - delete impl_; -} - -void SocketReceiveMultiplexer::AttachSocketListener( UdpSocket *socket, PacketListener *listener ) -{ - impl_->AttachSocketListener( socket, listener ); -} - -void SocketReceiveMultiplexer::DetachSocketListener( UdpSocket *socket, PacketListener *listener ) -{ - impl_->DetachSocketListener( socket, listener ); -} - -void SocketReceiveMultiplexer::AttachPeriodicTimerListener( int periodMilliseconds, TimerListener *listener ) -{ - impl_->AttachPeriodicTimerListener( periodMilliseconds, listener ); -} - -void SocketReceiveMultiplexer::AttachPeriodicTimerListener( int initialDelayMilliseconds, int periodMilliseconds, TimerListener *listener ) -{ - impl_->AttachPeriodicTimerListener( initialDelayMilliseconds, periodMilliseconds, listener ); -} - -void SocketReceiveMultiplexer::DetachPeriodicTimerListener( TimerListener *listener ) -{ - impl_->DetachPeriodicTimerListener( listener ); -} - -void SocketReceiveMultiplexer::Run() -{ - impl_->Run(); -} - -void SocketReceiveMultiplexer::RunUntilSigInt() -{ - assert( multiplexerInstanceToAbortWithSigInt_ == 0 ); /* at present we support only one multiplexer instance running until sig int */ - multiplexerInstanceToAbortWithSigInt_ = this; - signal( SIGINT, InterruptSignalHandler ); - impl_->Run(); - signal( SIGINT, SIG_DFL ); - multiplexerInstanceToAbortWithSigInt_ = 0; -} - -void SocketReceiveMultiplexer::Break() -{ - impl_->Break(); -} - -void SocketReceiveMultiplexer::AsynchronousBreak() -{ - impl_->AsynchronousBreak(); -} -