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/*
libclsyncmgr - clsync control socket API
Copyright (C) 2014 Dmitry Yu Okunev <dyokunev@ut.mephi.ru> 0x8E30679C
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#define LIBCLSYNC
#include <errno.h>
#include <stdlib.h>
#include <string.h> // for memset
#include <sys/un.h> // for "struct sockaddr_un"
#include "configuration.h"
#include "error.h"
#include "libclsync.h"
#include "malloc.h"
#include "socket.h"
int libproc_procclsyncsock ( socket_sockthreaddata_t *arg, sockcmd_t *sockcmd_p )
{
clsyncproc_t *proc_p = arg->arg;
clsyncsock_t *clsyncsock_p = proc_p->sock_p;
clsyncsock_procfunct_t procfunct = proc_p->procfunct;
#ifdef PARANOID
if ( procfunct == NULL ) {
error ( "procfunct == NULL" );
return 0;
}
#endif
if ( procfunct ( arg, sockcmd_p ) )
switch ( sockcmd_p->cmd_id ) {
default:
socket_sendinvalid ( clsyncsock_p, sockcmd_p );
break;
}
return 0;
}
static inline int _clsync_connect_setthreaddata ( socket_sockthreaddata_t *threaddata_p, clsyncproc_t *proc_p, sockprocflags_t flags )
{
threaddata_p->procfunct = libproc_procclsyncsock;
threaddata_p->clsyncsock_p = proc_p->sock_p;
threaddata_p->arg = proc_p;
threaddata_p->running = NULL;
threaddata_p->authtype = SOCKAUTH_NULL;
threaddata_p->flags = flags;
threaddata_p->freefunct_arg = free;
return 0;
}
static inline clsyncproc_t *_clsync_x_unix (
const char *const socket_path,
clsyncsock_procfunct_t procfunct,
sockprocflags_t flags,
const char *const action,
clsyncsock_t * ( *socket_x_unix ) ( const char *const )
)
{
if ( procfunct == NULL ) {
errno = EINVAL;
return NULL;
}
clsyncproc_t *proc_p = xmalloc ( sizeof ( *proc_p ) );
memset ( proc_p, 0, sizeof ( *proc_p ) );
proc_p->sock_p = socket_x_unix ( socket_path );
if ( proc_p->sock_p == NULL ) {
free ( proc_p );
if ( errno == EUSERS ) {
error ( "clsync_%s_unix(): Too many connections.", action );
return NULL;
}
error ( "clsync_%s_unix(): Cannot socket_%s_unix()",
action, action );
return NULL;
}
socket_sockthreaddata_t *threaddata_p = socket_thread_attach ( proc_p->sock_p );
if ( threaddata_p == NULL ) {
socket_close ( proc_p->sock_p );
free ( proc_p );
return NULL;
}
_clsync_connect_setthreaddata ( threaddata_p, proc_p, flags );
proc_p->procfunct = procfunct;
socket_thread_start ( threaddata_p );
return proc_p;
}
clsyncproc_t *clsync_listen_unix ( const char *const socket_path, clsyncsock_procfunct_t procfunct, sockprocflags_t flags )
{
return _clsync_x_unix ( socket_path, procfunct, flags, "listen", socket_listen_unix );
}
clsyncproc_t *clsync_connect_unix ( const char *const socket_path, clsyncsock_procfunct_t procfunct, sockprocflags_t flags )
{
return _clsync_x_unix ( socket_path, procfunct, flags, "connect", socket_connect_unix );
}
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