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116 lines
2.9 KiB
116 lines
2.9 KiB
/*
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Copyright (C) 2000 Stefan Westerfeld
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stefan@space.twc.de
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#include "unixconnection.h"
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#include "dispatcher.h"
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#include "debug.h"
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <stdio.h>
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#include <sys/un.h>
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#include <errno.h>
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#include <stdlib.h>
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#include <string.h>
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using namespace std;
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using namespace Arts;
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static struct sockaddr_un *parse_unix_url(const char *url)
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{
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static struct sockaddr_un addr;
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char *work = strdup(url);
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char *type = strtok(work,":");
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if(type == 0 || strcmp(type,"unix") != 0) {
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free(work);
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return 0;
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}
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char *path = strtok(NULL,":\n");
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if(path == 0) {
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free(work);
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return 0;
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}
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int maxlen = sizeof(addr.sun_path);
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memset((void *) &addr, '\0', sizeof(addr));
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addr.sun_family = AF_UNIX;
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strncpy(addr.sun_path,path,maxlen);
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addr.sun_path[maxlen-1] = 0;
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free(work);
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return &addr;
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}
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static int unix_connect(const char *url)
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{
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struct sockaddr_un *remote_addr = parse_unix_url(url);
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if(remote_addr == 0)
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{
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arts_warning("unix_connect: couldn't parse url %s",url);
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return -1;
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}
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int my_socket = socket(AF_UNIX,SOCK_STREAM,0);
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if(my_socket < 0)
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{
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arts_warning("unix_connect: unable to open socket for read");
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return -1;
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}
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struct linger lin;
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lin.l_onoff=1; /* block a closing socket for 1 second */
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lin.l_linger=100; /* if data is waiting to be sent */
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if ( setsockopt( my_socket, SOL_SOCKET, SO_LINGER,
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(char*)&lin, sizeof(struct linger) ) < 0 )
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{
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arts_warning("unix_connect: unable to set socket linger value to %d",
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lin.l_linger);
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close(my_socket);
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return -1;
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}
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int rc;
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rc=connect(my_socket,(struct sockaddr *)remote_addr, sizeof(*remote_addr));
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if(rc != 0)
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{
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arts_warning("unix_connect: can't connect to server (%s)",url);
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close(my_socket);
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return -1;
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}
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return my_socket;
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}
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UnixConnection::UnixConnection(const string& url)
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{
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fd = unix_connect(url.c_str());
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_broken = (fd == -1);
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if(!_broken)
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{
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Dispatcher::the()->ioManager()->watchFD(fd,
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IOType::read|IOType::except|IOType::reentrant,this);
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initReceive();
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}
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}
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