-#ifndef _LTTNG_SESSIOND_COMM_H
-#define _LTTNG_SESSIOND_COMM_H
-
/*
* Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca>
* Julien Desfossez <julien.desfossez@polymtl.ca>
* Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
*
- * 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; only version 2
- * of the License.
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License, version 2 only,
+ * as published by the Free Software Foundation.
*
- * 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.
+ * 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, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
/*
- * This header is meant for liblttng and libust internal use ONLY.
- * These declarations should NOT be considered stable API.
+ * This header is meant for liblttng and libust internal use ONLY. These
+ * declarations should NOT be considered stable API.
*/
+#ifndef _LTTNG_SESSIOND_COMM_H
+#define _LTTNG_SESSIOND_COMM_H
+
#define _GNU_SOURCE
#include <limits.h>
#include <lttng/lttng.h>
-#include <sys/socket.h>
-
-#define LTTNG_RUNDIR "/var/run/lttng"
-#define LTTNG_HOME_RUNDIR "%s/.lttng"
-
-/* Default unix socket path */
-#define DEFAULT_GLOBAL_CLIENT_UNIX_SOCK LTTNG_RUNDIR "/client-lttng-sessiond"
-#define DEFAULT_GLOBAL_APPS_UNIX_SOCK LTTNG_RUNDIR "/apps-lttng-sessiond"
-#define DEFAULT_HOME_APPS_UNIX_SOCK LTTNG_HOME_RUNDIR "/apps-lttng-sessiond"
-#define DEFAULT_HOME_CLIENT_UNIX_SOCK LTTNG_HOME_RUNDIR "/client-lttng-sessiond"
+#include <common/compat/socket.h>
/* Queue size of listen(2) */
#define LTTNG_SESSIOND_COMM_MAX_LISTEN 64
+/* Maximum number of FDs that can be sent over a Unix socket */
+#define LTTCOMM_MAX_SEND_FDS 4
+
/*
* Get the error code index from 0 since LTTCOMM_OK start at 1000
*/
* lttcomm error code.
*/
enum lttcomm_return_code {
- LTTCOMM_OK = 1000, /* Ok */
+ LTTCOMM_OK = 10, /* Ok */
LTTCOMM_ERR, /* Unknown Error */
LTTCOMM_UND, /* Undefine command */
LTTCOMM_NOT_IMPLEMENTED, /* Command not implemented */
LTTCOMM_UNKNOWN_DOMAIN, /* Tracing domain not known */
LTTCOMM_ALLOC_FAIL, /* Trace allocation fail */
LTTCOMM_NO_SESSION, /* No session found */
- LTTCOMM_CREATE_FAIL, /* Create trace fail */
+ LTTCOMM_CREATE_DIR_FAIL, /* Create directory fail */
LTTCOMM_SESSION_FAIL, /* Create session fail */
LTTCOMM_START_FAIL, /* Start tracing fail */
LTTCOMM_STOP_FAIL, /* Stop tracing fail */
LTTCOMM_APP_NOT_FOUND, /* App not found in traceable app list */
LTTCOMM_EPERM, /* Permission denied */
LTTCOMM_KERN_NA, /* Kernel tracer unavalable */
+ LTTCOMM_KERN_VERSION, /* Kernel tracer version is not compatible */
LTTCOMM_KERN_EVENT_EXIST, /* Kernel event already exists */
LTTCOMM_KERN_SESS_FAIL, /* Kernel create session failed */
+ LTTCOMM_KERN_CHAN_EXIST, /* Kernel channel already exists */
LTTCOMM_KERN_CHAN_FAIL, /* Kernel create channel failed */
LTTCOMM_KERN_CHAN_NOT_FOUND, /* Kernel channel not found */
LTTCOMM_KERN_CHAN_DISABLE_FAIL, /* Kernel disable channel failed */
LTTCOMM_KERN_DIR_EXIST, /* Kernel trace directory exist */
LTTCOMM_KERN_NO_SESSION, /* No kernel session found */
LTTCOMM_KERN_LIST_FAIL, /* Kernel listing events failed */
+ LTTCOMM_UST_CALIBRATE_FAIL, /* UST calibration failed */
+ LTTCOMM_UST_VERSION, /* UST tracer version is not compatible */
LTTCOMM_UST_SESS_FAIL, /* UST create session failed */
LTTCOMM_UST_CHAN_EXIST, /* UST channel already exist */
LTTCOMM_UST_CHAN_FAIL, /* UST create channel failed */
LTTCOMM_UST_EVENT_EXIST, /* UST event exist */
LTTCOMM_UST_EVENT_NOT_FOUND, /* UST event not found */
LTTCOMM_UST_CONTEXT_EXIST, /* UST context exist */
+ LTTCOMM_UST_CONTEXT_INVAL, /* UST context invalid */
+ LTTCOMM_NEED_ROOT_SESSIOND, /* root sessiond is needed */
+ LTTCOMM_TRACE_ALREADY_STARTED, /* Tracing already started */
+ LTTCOMM_TRACE_ALREADY_STOPPED, /* Tracing already stopped */
CONSUMERD_COMMAND_SOCK_READY, /* when consumerd command socket ready */
CONSUMERD_SUCCESS_RECV_FD, /* success on receiving fds */
CONSUMERD_SPLICE_EINVAL, /* EINVAL from splice(2) */
CONSUMERD_SPLICE_ENOMEM, /* ENOMEM from splice(2) */
CONSUMERD_SPLICE_ESPIPE, /* ESPIPE from splice(2) */
+ LTTCOMM_INVALID, /* Invalid parameter */
+
/* MUST be last element */
LTTCOMM_NR, /* Last element */
};
extern int lttcomm_listen_unix_sock(int sock);
extern int lttcomm_close_unix_sock(int sock);
-#define LTTCOMM_MAX_SEND_FDS 4
/* Send a message accompanied by fd(s) over a unix socket. */
extern ssize_t lttcomm_send_fds_unix_sock(int sock, int *fds, size_t nb_fd);
/* Recv a message accompanied by fd(s) from a unix socket */
extern ssize_t lttcomm_send_creds_unix_sock(int sock, void *buf, size_t len);
extern ssize_t lttcomm_recv_creds_unix_sock(int sock, void *buf, size_t len,
- struct ucred *creds);
+ lttng_sock_cred *creds);
extern const char *lttcomm_get_readable_code(enum lttcomm_return_code code);
extern int lttcomm_setsockopt_creds_unix_sock(int sock);