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Diffstat (limited to 'mcop/unixserver.cc')
-rw-r--r-- | mcop/unixserver.cc | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/mcop/unixserver.cc b/mcop/unixserver.cc new file mode 100644 index 0000000..65cfa76 --- /dev/null +++ b/mcop/unixserver.cc @@ -0,0 +1,151 @@ + /* + + Copyright (C) 2000 Stefan Westerfeld + stefan@space.twc.de + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public + License as published by the Free Software Foundation; either + version 2 of the License, or (at your option) any later version. + + This library 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public License + along with this library; see the file COPYING.LIB. If not, write to + the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. + + */ + +#include <config.h> +#include "mcoputils.h" +#include "unixserver.h" +#include "socketconnection.h" +#include "dispatcher.h" +#include "debug.h" +#define queue cqueue +#include <arpa/inet.h> +#undef queue +#include <sys/types.h> +#include <sys/socket.h> +#include <sys/un.h> +#include <sys/ioctl.h> +#include <netinet/in.h> +#include <sys/stat.h> +#include <sys/types.h> +#include <fcntl.h> +#include <unistd.h> +#include <stdio.h> +#include <errno.h> + +using namespace std; +using namespace Arts; + +bool UnixServer::running() +{ + return socketOk; +} + +UnixServer::UnixServer(Dispatcher *dispatcher, const string& serverID) +{ + this->dispatcher = dispatcher; + + socketOk = initSocket(serverID); + if(socketOk) { + IOManager *iom = dispatcher->ioManager(); + iom->watchFD(theSocket,IOType::read|IOType::except,this); + } +} + +UnixServer::~UnixServer() +{ + if(socketOk) { + IOManager *iom = dispatcher->ioManager(); + iom->remove(this,IOType::read|IOType::except); + close(theSocket); + unlink(xserverpath.c_str()); + } +} + +bool UnixServer::initSocket(const string& serverID) +{ + struct sockaddr_un socket_addr; + + theSocket = socket(PF_UNIX,SOCK_STREAM,0); + if(theSocket < 0) + { + arts_warning("MCOP UnixServer: can't create a socket"); + return false; + } + + if(fcntl(theSocket,F_SETFL,O_NONBLOCK)<0) + { + arts_warning("MCOP UnixServer: can't initialize non blocking I/O"); + close(theSocket); + return false; + } + + int maxlen = sizeof(socket_addr.sun_path); + string pathname = MCOPUtils::createFilePath(serverID); + + socket_addr.sun_family = AF_UNIX; + strncpy(socket_addr.sun_path,pathname.c_str(),maxlen); + socket_addr.sun_path[maxlen-1] = 0; + + xserverpath = socket_addr.sun_path; + + if ( bind( theSocket, (struct sockaddr *) &socket_addr, + sizeof(struct sockaddr_un) ) < 0 ) + { + arts_warning("MCOP UnixServer: can't bind to file \"%s\"", + pathname.c_str()); + close(theSocket); + return false; + } + + if(listen(theSocket,16) < 0) + { + arts_warning("MCOP UnixServer: can't listen on the socket"); + close(theSocket); + return false; + } + return true; +} + +string UnixServer::url() +{ + return string("unix:") + xserverpath; +} + +void UnixServer::notifyIO(int fd, int types) +{ + assert(fd == theSocket); + assert(socketOk); + + arts_debug("UnixManager: got notifyIO"); + if(types & IOType::read) + { + int clientfd; + struct sockaddr_un incoming; + socklen_t size_in = sizeof(struct sockaddr_un); + + clientfd = accept(theSocket, (struct sockaddr*) &incoming, &size_in ); + if(clientfd > 0) + { + // non blocking I/O + int flags = fcntl (fd, F_GETFL, 0); + assert (flags != -1); + + int nbl_result = fcntl (fd, F_SETFL, flags | O_NONBLOCK); + assert(nbl_result >= 0); + + Dispatcher::the()->initiateConnection( + new SocketConnection(clientfd)); + } + } + arts_assert((types & IOType::write) == 0); + arts_assert((types & IOType::except) == 0); +} |