* 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
+ * 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.
*/
/*
#include <lttng/lttng.h>
#include <common/compat/socket.h>
+#include <arpa/inet.h>
+#include <netinet/in.h>
+#include <sys/un.h>
+
+#include "inet.h"
+#include "inet6.h"
+#include "unix.h"
+
/* Queue size of listen(2) */
#define LTTNG_SESSIOND_COMM_MAX_LISTEN 64
LTTNG_REGISTER_CONSUMER,
LTTNG_START_TRACE,
LTTNG_STOP_TRACE,
+ LTTNG_LIST_TRACEPOINT_FIELDS,
};
/*
* 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_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_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 */
+ LTTCOMM_KERN_EVENT_ENOSYS, /* Kernel event type not supported */
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 */
+ LTTCOMM_NO_USTCONSUMERD, /* No UST consumer detected */
+ LTTCOMM_NO_KERNCONSUMERD, /* No Kernel consumer detected */
+ LTTCOMM_EVENT_EXIST_LOGLEVEL, /* Event already enabled with different loglevel */
+
/* MUST be last element */
LTTCOMM_NR, /* Last element */
};
#endif /* HAVE_LIBLTTNG_UST_CTL */
-extern int lttcomm_create_unix_sock(const char *pathname);
-extern int lttcomm_connect_unix_sock(const char *pathname);
-extern int lttcomm_accept_unix_sock(int sock);
-extern int lttcomm_listen_unix_sock(int sock);
-extern int lttcomm_close_unix_sock(int sock);
+/* lttng socket protocol. */
+enum lttcomm_sock_proto {
+ LTTCOMM_SOCK_UDP,
+ LTTCOMM_SOCK_TCP,
+};
+
+/*
+ * Index in the net_families array below. Please keep in sync!
+ */
+enum lttcomm_sock_domain {
+ LTTCOMM_INET,
+ LTTCOMM_INET6,
+};
+
+struct lttcomm_sockaddr {
+ enum lttcomm_sock_domain type;
+ union {
+ struct sockaddr_in sin;
+ struct sockaddr_in6 sin6;
+ } addr;
+};
-/* 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_recv_fds_unix_sock(int sock, int *fds, size_t nb_fd);
+struct lttcomm_sock {
+ int fd;
+ enum lttcomm_sock_proto proto;
+ struct lttcomm_sockaddr sockaddr;
+ const struct lttcomm_proto_ops *ops;
+};
-extern ssize_t lttcomm_recv_unix_sock(int sock, void *buf, size_t len);
-extern ssize_t lttcomm_send_unix_sock(int sock, void *buf, size_t len);
+struct lttcomm_net_family {
+ int family;
+ int (*create) (struct lttcomm_sock *sock, int type, int proto);
+};
-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,
- lttng_sock_cred *creds);
+struct lttcomm_proto_ops {
+ int (*bind) (struct lttcomm_sock *sock);
+ int (*close) (struct lttcomm_sock *sock);
+ int (*connect) (struct lttcomm_sock *sock);
+ struct lttcomm_sock *(*accept) (struct lttcomm_sock *sock);
+ int (*listen) (struct lttcomm_sock *sock, int backlog);
+ ssize_t (*recvmsg) (struct lttcomm_sock *sock, void *buf, size_t len,
+ int flags);
+ ssize_t (*sendmsg) (struct lttcomm_sock *sock, void *buf, size_t len,
+ int flags);
+};
extern const char *lttcomm_get_readable_code(enum lttcomm_return_code code);
-extern int lttcomm_setsockopt_creds_unix_sock(int sock);
+
+extern int lttcomm_init_inet_sockaddr(struct lttcomm_sockaddr *sockaddr,
+ const char *ip, unsigned int port);
+extern int lttcomm_init_inet6_sockaddr(struct lttcomm_sockaddr *sockaddr,
+ const char *ip, unsigned int port);
+
+extern struct lttcomm_sock *lttcomm_alloc_sock(enum lttcomm_sock_domain domain,
+ enum lttcomm_sock_proto proto);
+extern int lttcomm_create_sock(struct lttcomm_sock *sock,
+ enum lttcomm_sock_domain domain, enum lttcomm_sock_proto proto);
#endif /* _LTTNG_SESSIOND_COMM_H */
projects / lttng-tools.git / blobdiff