* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
-#define _GNU_SOURCE
+#define _LGPL_SOURCE
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <common/common.h>
#include <common/defaults.h>
+#include <common/compat/endian.h>
#include <common/sessiond-comm/relayd.h>
+#include <common/index/ctf-index.h>
#include "relayd.h"
/*
* Send command. Fill up the header and append the data.
*/
-static int send_command(struct lttcomm_sock *sock,
+static int send_command(struct lttcomm_relayd_sock *rsock,
enum lttcomm_relayd_command cmd, void *data, size_t size,
int flags)
{
char *buf;
uint64_t buf_size = sizeof(header);
+ if (rsock->sock.fd < 0) {
+ return -ECONNRESET;
+ }
+
if (data) {
buf_size += size;
}
goto alloc_error;
}
+ memset(&header, 0, sizeof(header));
header.cmd = htobe32(cmd);
header.data_size = htobe64(size);
memcpy(buf + sizeof(header), data, size);
}
- ret = sock->ops->sendmsg(sock, buf, buf_size, flags);
+ ret = rsock->sock.ops->sendmsg(&rsock->sock, buf, buf_size, flags);
if (ret < 0) {
ret = -errno;
goto error;
* Receive reply data on socket. This MUST be call after send_command or else
* could result in unexpected behavior(s).
*/
-static int recv_reply(struct lttcomm_sock *sock, void *data, size_t size)
+static int recv_reply(struct lttcomm_relayd_sock *rsock, void *data, size_t size)
{
int ret;
- DBG3("Relayd waiting for reply of size %ld", size);
+ if (rsock->sock.fd < 0) {
+ return -ECONNRESET;
+ }
+
+ DBG3("Relayd waiting for reply of size %zu", size);
- ret = sock->ops->recvmsg(sock, data, size, 0);
+ ret = rsock->sock.ops->recvmsg(&rsock->sock, data, size, 0);
if (ret <= 0 || ret != size) {
if (ret == 0) {
/* Orderly shutdown. */
- DBG("Socket %d has performed an orderly shutdown", sock->fd);
+ DBG("Socket %d has performed an orderly shutdown", rsock->sock.fd);
} else {
- DBG("Receiving reply failed on sock %d for size %lu with ret %d",
- sock->fd, size, ret);
+ DBG("Receiving reply failed on sock %d for size %zu with ret %d",
+ rsock->sock.fd, size, ret);
}
/* Always return -1 here and the caller can use errno. */
ret = -1;
return ret;
}
+/*
+ * Starting at 2.4, RELAYD_CREATE_SESSION takes additional parameters to
+ * support the live reading capability.
+ */
+static int relayd_create_session_2_4(struct lttcomm_relayd_sock *rsock,
+ uint64_t *session_id, char *session_name, char *hostname,
+ int session_live_timer, unsigned int snapshot)
+{
+ int ret;
+ struct lttcomm_relayd_create_session_2_4 msg;
+
+ if (lttng_strncpy(msg.session_name, session_name,
+ sizeof(msg.session_name))) {
+ ret = -1;
+ goto error;
+ }
+ if (lttng_strncpy(msg.hostname, hostname, sizeof(msg.hostname))) {
+ ret = -1;
+ goto error;
+ }
+ msg.live_timer = htobe32(session_live_timer);
+ msg.snapshot = htobe32(snapshot);
+
+ /* Send command */
+ ret = send_command(rsock, RELAYD_CREATE_SESSION, &msg, sizeof(msg), 0);
+ if (ret < 0) {
+ goto error;
+ }
+
+error:
+ return ret;
+}
+
+/*
+ * RELAYD_CREATE_SESSION from 2.1 to 2.3.
+ */
+static int relayd_create_session_2_1(struct lttcomm_relayd_sock *rsock,
+ uint64_t *session_id)
+{
+ int ret;
+
+ /* Send command */
+ ret = send_command(rsock, RELAYD_CREATE_SESSION, NULL, 0, 0);
+ if (ret < 0) {
+ goto error;
+ }
+
+error:
+ return ret;
+}
+
/*
* Send a RELAYD_CREATE_SESSION command to the relayd with the given socket and
* set session_id of the relayd if we have a successful reply from the relayd.
* On success, return 0 else a negative value which is either an errno error or
* a lttng error code from the relayd.
*/
-int relayd_create_session(struct lttcomm_sock *sock, uint64_t *session_id)
+int relayd_create_session(struct lttcomm_relayd_sock *rsock, uint64_t *session_id,
+ char *session_name, char *hostname, int session_live_timer,
+ unsigned int snapshot)
{
int ret;
struct lttcomm_relayd_status_session reply;
- assert(sock);
+ assert(rsock);
assert(session_id);
DBG("Relayd create session");
- /* Send command */
- ret = send_command(sock, RELAYD_CREATE_SESSION, NULL, 0, 0);
+ switch(rsock->minor) {
+ case 1:
+ case 2:
+ case 3:
+ ret = relayd_create_session_2_1(rsock, session_id);
+ break;
+ case 4:
+ default:
+ ret = relayd_create_session_2_4(rsock, session_id, session_name,
+ hostname, session_live_timer, snapshot);
+ break;
+ }
+
if (ret < 0) {
goto error;
}
/* Receive response */
- ret = recv_reply(sock, (void *) &reply, sizeof(reply));
+ ret = recv_reply(rsock, (void *) &reply, sizeof(reply));
if (ret < 0) {
goto error;
}
*
* On success return 0 else return ret_code negative value.
*/
-int relayd_add_stream(struct lttcomm_sock *sock, const char *channel_name,
- const char *pathname, uint64_t *stream_id)
+int relayd_add_stream(struct lttcomm_relayd_sock *rsock, const char *channel_name,
+ const char *pathname, uint64_t *stream_id,
+ uint64_t tracefile_size, uint64_t tracefile_count)
{
int ret;
struct lttcomm_relayd_add_stream msg;
+ struct lttcomm_relayd_add_stream_2_2 msg_2_2;
struct lttcomm_relayd_status_stream reply;
/* Code flow error. Safety net. */
- assert(sock);
+ assert(rsock);
assert(channel_name);
assert(pathname);
DBG("Relayd adding stream for channel name %s", channel_name);
- strncpy(msg.channel_name, channel_name, sizeof(msg.channel_name));
- strncpy(msg.pathname, pathname, sizeof(msg.pathname));
+ /* Compat with relayd 2.1 */
+ if (rsock->minor == 1) {
+ memset(&msg, 0, sizeof(msg));
+ if (lttng_strncpy(msg.channel_name, channel_name,
+ sizeof(msg.channel_name))) {
+ ret = -1;
+ goto error;
+ }
+ if (lttng_strncpy(msg.pathname, pathname,
+ sizeof(msg.pathname))) {
+ ret = -1;
+ goto error;
+ }
- /* Send command */
- ret = send_command(sock, RELAYD_ADD_STREAM, (void *) &msg, sizeof(msg), 0);
- if (ret < 0) {
- goto error;
+ /* Send command */
+ ret = send_command(rsock, RELAYD_ADD_STREAM, (void *) &msg, sizeof(msg), 0);
+ if (ret < 0) {
+ goto error;
+ }
+ } else {
+ memset(&msg_2_2, 0, sizeof(msg_2_2));
+ /* Compat with relayd 2.2+ */
+ if (lttng_strncpy(msg_2_2.channel_name, channel_name,
+ sizeof(msg_2_2.channel_name))) {
+ ret = -1;
+ goto error;
+ }
+ if (lttng_strncpy(msg_2_2.pathname, pathname,
+ sizeof(msg_2_2.pathname))) {
+ ret = -1;
+ goto error;
+ }
+ msg_2_2.tracefile_size = htobe64(tracefile_size);
+ msg_2_2.tracefile_count = htobe64(tracefile_count);
+
+ /* Send command */
+ ret = send_command(rsock, RELAYD_ADD_STREAM, (void *) &msg_2_2, sizeof(msg_2_2), 0);
+ if (ret < 0) {
+ goto error;
+ }
}
/* Waiting for reply */
- ret = recv_reply(sock, (void *) &reply, sizeof(reply));
+ ret = recv_reply(rsock, (void *) &reply, sizeof(reply));
if (ret < 0) {
goto error;
}
return ret;
}
+/*
+ * Inform the relay that all the streams for the current channel has been sent.
+ *
+ * On success return 0 else return ret_code negative value.
+ */
+int relayd_streams_sent(struct lttcomm_relayd_sock *rsock)
+{
+ int ret;
+ struct lttcomm_relayd_generic_reply reply;
+
+ /* Code flow error. Safety net. */
+ assert(rsock);
+
+ DBG("Relayd sending streams sent.");
+
+ /* This feature was introduced in 2.4, ignore it for earlier versions. */
+ if (rsock->minor < 4) {
+ ret = 0;
+ goto end;
+ }
+
+ /* Send command */
+ ret = send_command(rsock, RELAYD_STREAMS_SENT, NULL, 0, 0);
+ if (ret < 0) {
+ goto error;
+ }
+
+ /* Waiting for reply */
+ ret = recv_reply(rsock, (void *) &reply, sizeof(reply));
+ if (ret < 0) {
+ goto error;
+ }
+
+ /* Back to host bytes order. */
+ reply.ret_code = be32toh(reply.ret_code);
+
+ /* Return session id or negative ret code. */
+ if (reply.ret_code != LTTNG_OK) {
+ ret = -1;
+ ERR("Relayd streams sent replied error %d", reply.ret_code);
+ goto error;
+ } else {
+ /* Success */
+ ret = 0;
+ }
+
+ DBG("Relayd streams sent success");
+
+error:
+end:
+ return ret;
+}
+
/*
* Check version numbers on the relayd.
+ * If major versions are compatible, we assign minor_to_use to the
+ * minor version of the procotol we are going to use for this session.
*
* Return 0 if compatible else negative value.
*/
-int relayd_version_check(struct lttcomm_sock *sock, uint32_t major,
- uint32_t minor)
+int relayd_version_check(struct lttcomm_relayd_sock *rsock)
{
int ret;
struct lttcomm_relayd_version msg;
/* Code flow error. Safety net. */
- assert(sock);
+ assert(rsock);
- DBG("Relayd version check for major.minor %u.%u", major, minor);
+ DBG("Relayd version check for major.minor %u.%u", rsock->major,
+ rsock->minor);
+ memset(&msg, 0, sizeof(msg));
/* Prepare network byte order before transmission. */
- msg.major = htobe32(major);
- msg.minor = htobe32(minor);
+ msg.major = htobe32(rsock->major);
+ msg.minor = htobe32(rsock->minor);
/* Send command */
- ret = send_command(sock, RELAYD_VERSION, (void *) &msg, sizeof(msg), 0);
+ ret = send_command(rsock, RELAYD_VERSION, (void *) &msg, sizeof(msg), 0);
if (ret < 0) {
goto error;
}
/* Receive response */
- ret = recv_reply(sock, (void *) &msg, sizeof(msg));
+ ret = recv_reply(rsock, (void *) &msg, sizeof(msg));
if (ret < 0) {
goto error;
}
* communication is not possible. Only major version equal can talk to each
* other. If the minor version differs, the lowest version is used by both
* sides.
- *
- * For now, before 2.1.0 stable release, we don't have to check the minor
- * because this new mechanism with the relayd will only be available with
- * 2.1 and NOT 2.0.x.
*/
- if (msg.major == major) {
- /* Compatible */
- ret = 0;
- DBG2("Relayd version is compatible");
+ if (msg.major != rsock->major) {
+ /* Not compatible */
+ ret = -1;
+ DBG2("Relayd version is NOT compatible. Relayd version %u != %u (us)",
+ msg.major, rsock->major);
goto error;
}
/*
- * After 2.1.0 release, for the 2.2 release, at this point will have to
- * check the minor version in order for the session daemon to know which
- * structure to use to communicate with the relayd. If the relayd's minor
- * version is higher, it will adapt to our version so we can continue to
- * use the latest relayd communication data structure.
+ * If the relayd's minor version is higher, it will adapt to our version so
+ * we can continue to use the latest relayd communication data structure.
+ * If the received minor version is higher, the relayd should adapt to us.
*/
+ if (rsock->minor > msg.minor) {
+ rsock->minor = msg.minor;
+ }
- /* Version number not compatible */
- DBG2("Relayd version is NOT compatible. Relayd version %u != %u (us)",
- msg.major, major);
- ret = -1;
+ /* Version number compatible */
+ DBG2("Relayd version is compatible, using protocol version %u.%u",
+ rsock->major, rsock->minor);
+ ret = 0;
error:
return ret;
*
* On success return 0 else return ret_code negative value.
*/
-int relayd_send_metadata(struct lttcomm_sock *sock, size_t len)
+int relayd_send_metadata(struct lttcomm_relayd_sock *rsock, size_t len)
{
int ret;
/* Code flow error. Safety net. */
- assert(sock);
+ assert(rsock);
DBG("Relayd sending metadata of size %zu", len);
/* Send command */
- ret = send_command(sock, RELAYD_SEND_METADATA, NULL, len, 0);
+ ret = send_command(rsock, RELAYD_SEND_METADATA, NULL, len, 0);
if (ret < 0) {
goto error;
}
}
/*
- * Connect to relay daemon with an allocated lttcomm_sock.
+ * Connect to relay daemon with an allocated lttcomm_relayd_sock.
*/
-int relayd_connect(struct lttcomm_sock *sock)
+int relayd_connect(struct lttcomm_relayd_sock *rsock)
{
/* Code flow error. Safety net. */
- assert(sock);
+ assert(rsock);
+
+ if (!rsock->sock.ops) {
+ /*
+ * Attempting a connect on a non-initialized socket.
+ */
+ return -ECONNRESET;
+ }
DBG3("Relayd connect ...");
- return sock->ops->connect(sock);
+ return rsock->sock.ops->connect(&rsock->sock);
}
/*
- * Close relayd socket with an allocated lttcomm_sock.
+ * Close relayd socket with an allocated lttcomm_relayd_sock.
*
* If no socket operations are found, simply return 0 meaning that everything
* is fine. Without operations, the socket can not possibly be opened or used.
* Return the close returned value. On error, a negative value is usually
* returned back from close(2).
*/
-int relayd_close(struct lttcomm_sock *sock)
+int relayd_close(struct lttcomm_relayd_sock *rsock)
{
int ret;
/* Code flow error. Safety net. */
- assert(sock);
+ assert(rsock);
/* An invalid fd is fine, return success. */
- if (sock->fd < 0) {
+ if (rsock->sock.fd < 0) {
ret = 0;
goto end;
}
- DBG3("Relayd closing socket %d", sock->fd);
+ DBG3("Relayd closing socket %d", rsock->sock.fd);
- if (sock->ops) {
- ret = sock->ops->close(sock);
+ if (rsock->sock.ops) {
+ ret = rsock->sock.ops->close(&rsock->sock);
} else {
/* Default call if no specific ops found. */
- ret = close(sock->fd);
+ ret = close(rsock->sock.fd);
if (ret < 0) {
PERROR("relayd_close default close");
}
}
+ rsock->sock.fd = -1;
end:
return ret;
/*
* Send data header structure to the relayd.
*/
-int relayd_send_data_hdr(struct lttcomm_sock *sock,
+int relayd_send_data_hdr(struct lttcomm_relayd_sock *rsock,
struct lttcomm_relayd_data_hdr *hdr, size_t size)
{
int ret;
/* Code flow error. Safety net. */
- assert(sock);
+ assert(rsock);
assert(hdr);
- DBG3("Relayd sending data header of size %ld", size);
+ if (rsock->sock.fd < 0) {
+ return -ECONNRESET;
+ }
+
+ DBG3("Relayd sending data header of size %zu", size);
/* Again, safety net */
if (size == 0) {
}
/* Only send data header. */
- ret = sock->ops->sendmsg(sock, hdr, size, 0);
+ ret = rsock->sock.ops->sendmsg(&rsock->sock, hdr, size, 0);
if (ret < 0) {
ret = -errno;
goto error;
/*
* Send close stream command to the relayd.
*/
-int relayd_send_close_stream(struct lttcomm_sock *sock, uint64_t stream_id,
+int relayd_send_close_stream(struct lttcomm_relayd_sock *rsock, uint64_t stream_id,
uint64_t last_net_seq_num)
{
int ret;
struct lttcomm_relayd_generic_reply reply;
/* Code flow error. Safety net. */
- assert(sock);
+ assert(rsock);
DBG("Relayd closing stream id %" PRIu64, stream_id);
+ memset(&msg, 0, sizeof(msg));
msg.stream_id = htobe64(stream_id);
msg.last_net_seq_num = htobe64(last_net_seq_num);
/* Send command */
- ret = send_command(sock, RELAYD_CLOSE_STREAM, (void *) &msg, sizeof(msg), 0);
+ ret = send_command(rsock, RELAYD_CLOSE_STREAM, (void *) &msg, sizeof(msg), 0);
if (ret < 0) {
goto error;
}
/* Receive response */
- ret = recv_reply(sock, (void *) &reply, sizeof(reply));
+ ret = recv_reply(rsock, (void *) &reply, sizeof(reply));
if (ret < 0) {
goto error;
}
*
* Return 0 if NOT pending, 1 if so and a negative value on error.
*/
-int relayd_data_pending(struct lttcomm_sock *sock, uint64_t stream_id,
+int relayd_data_pending(struct lttcomm_relayd_sock *rsock, uint64_t stream_id,
uint64_t last_net_seq_num)
{
int ret;
struct lttcomm_relayd_generic_reply reply;
/* Code flow error. Safety net. */
- assert(sock);
+ assert(rsock);
DBG("Relayd data pending for stream id %" PRIu64, stream_id);
+ memset(&msg, 0, sizeof(msg));
msg.stream_id = htobe64(stream_id);
msg.last_net_seq_num = htobe64(last_net_seq_num);
/* Send command */
- ret = send_command(sock, RELAYD_DATA_PENDING, (void *) &msg,
+ ret = send_command(rsock, RELAYD_DATA_PENDING, (void *) &msg,
sizeof(msg), 0);
if (ret < 0) {
goto error;
}
/* Receive response */
- ret = recv_reply(sock, (void *) &reply, sizeof(reply));
+ ret = recv_reply(rsock, (void *) &reply, sizeof(reply));
if (ret < 0) {
goto error;
}
/*
* Check on the relayd side for a quiescent state on the control socket.
*/
-int relayd_quiescent_control(struct lttcomm_sock *sock,
+int relayd_quiescent_control(struct lttcomm_relayd_sock *rsock,
uint64_t metadata_stream_id)
{
int ret;
struct lttcomm_relayd_generic_reply reply;
/* Code flow error. Safety net. */
- assert(sock);
+ assert(rsock);
DBG("Relayd checking quiescent control state");
+ memset(&msg, 0, sizeof(msg));
msg.stream_id = htobe64(metadata_stream_id);
/* Send command */
- ret = send_command(sock, RELAYD_QUIESCENT_CONTROL, &msg, sizeof(msg), 0);
+ ret = send_command(rsock, RELAYD_QUIESCENT_CONTROL, &msg, sizeof(msg), 0);
if (ret < 0) {
goto error;
}
/* Receive response */
- ret = recv_reply(sock, (void *) &reply, sizeof(reply));
+ ret = recv_reply(rsock, (void *) &reply, sizeof(reply));
if (ret < 0) {
goto error;
}
/*
* Begin a data pending command for a specific session id.
*/
-int relayd_begin_data_pending(struct lttcomm_sock *sock, uint64_t id)
+int relayd_begin_data_pending(struct lttcomm_relayd_sock *rsock, uint64_t id)
{
int ret;
struct lttcomm_relayd_begin_data_pending msg;
struct lttcomm_relayd_generic_reply reply;
/* Code flow error. Safety net. */
- assert(sock);
+ assert(rsock);
DBG("Relayd begin data pending");
+ memset(&msg, 0, sizeof(msg));
msg.session_id = htobe64(id);
/* Send command */
- ret = send_command(sock, RELAYD_BEGIN_DATA_PENDING, &msg, sizeof(msg), 0);
+ ret = send_command(rsock, RELAYD_BEGIN_DATA_PENDING, &msg, sizeof(msg), 0);
if (ret < 0) {
goto error;
}
/* Receive response */
- ret = recv_reply(sock, (void *) &reply, sizeof(reply));
+ ret = recv_reply(rsock, (void *) &reply, sizeof(reply));
if (ret < 0) {
goto error;
}
* Return 0 on success and set is_data_inflight to 0 if no data is being
* streamed or 1 if it is the case.
*/
-int relayd_end_data_pending(struct lttcomm_sock *sock, uint64_t id,
+int relayd_end_data_pending(struct lttcomm_relayd_sock *rsock, uint64_t id,
unsigned int *is_data_inflight)
{
- int ret;
+ int ret, recv_ret;
struct lttcomm_relayd_end_data_pending msg;
struct lttcomm_relayd_generic_reply reply;
/* Code flow error. Safety net. */
- assert(sock);
+ assert(rsock);
DBG("Relayd end data pending");
+ memset(&msg, 0, sizeof(msg));
msg.session_id = htobe64(id);
/* Send command */
- ret = send_command(sock, RELAYD_END_DATA_PENDING, &msg, sizeof(msg), 0);
+ ret = send_command(rsock, RELAYD_END_DATA_PENDING, &msg, sizeof(msg), 0);
if (ret < 0) {
goto error;
}
/* Receive response */
- ret = recv_reply(sock, (void *) &reply, sizeof(reply));
+ ret = recv_reply(rsock, (void *) &reply, sizeof(reply));
if (ret < 0) {
goto error;
}
- reply.ret_code = be32toh(reply.ret_code);
- if (reply.ret_code < 0) {
- ret = reply.ret_code;
+ recv_ret = be32toh(reply.ret_code);
+ if (recv_ret < 0) {
+ ret = recv_ret;
goto error;
}
- *is_data_inflight = reply.ret_code;
+ *is_data_inflight = recv_ret;
- DBG("Relayd end data pending is data inflight: %d", reply.ret_code);
+ DBG("Relayd end data pending is data inflight: %d", recv_ret);
return 0;
error:
return ret;
}
+
+/*
+ * Send index to the relayd.
+ */
+int relayd_send_index(struct lttcomm_relayd_sock *rsock,
+ struct ctf_packet_index *index, uint64_t relay_stream_id,
+ uint64_t net_seq_num)
+{
+ int ret;
+ struct lttcomm_relayd_index msg;
+ struct lttcomm_relayd_generic_reply reply;
+
+ /* Code flow error. Safety net. */
+ assert(rsock);
+
+ if (rsock->minor < 4) {
+ DBG("Not sending indexes before protocol 2.4");
+ ret = 0;
+ goto error;
+ }
+
+ DBG("Relayd sending index for stream ID %" PRIu64, relay_stream_id);
+
+ memset(&msg, 0, sizeof(msg));
+ msg.relay_stream_id = htobe64(relay_stream_id);
+ msg.net_seq_num = htobe64(net_seq_num);
+
+ /* The index is already in big endian. */
+ msg.packet_size = index->packet_size;
+ msg.content_size = index->content_size;
+ msg.timestamp_begin = index->timestamp_begin;
+ msg.timestamp_end = index->timestamp_end;
+ msg.events_discarded = index->events_discarded;
+ msg.stream_id = index->stream_id;
+
+ if (rsock->minor >= 8) {
+ msg.stream_instance_id = index->stream_instance_id;
+ msg.packet_seq_num = index->packet_seq_num;
+ }
+
+ /* Send command */
+ ret = send_command(rsock, RELAYD_SEND_INDEX, &msg, sizeof(msg), 0);
+ if (ret < 0) {
+ goto error;
+ }
+
+ /* Receive response */
+ ret = recv_reply(rsock, (void *) &reply, sizeof(reply));
+ if (ret < 0) {
+ goto error;
+ }
+
+ reply.ret_code = be32toh(reply.ret_code);
+
+ /* Return session id or negative ret code. */
+ if (reply.ret_code != LTTNG_OK) {
+ ret = -1;
+ ERR("Relayd send index replied error %d", reply.ret_code);
+ } else {
+ /* Success */
+ ret = 0;
+ }
+
+error:
+ return ret;
+}
+
+/*
+ * Ask the relay to reset the metadata trace file (regeneration).
+ */
+int relayd_reset_metadata(struct lttcomm_relayd_sock *rsock,
+ uint64_t stream_id, uint64_t version)
+{
+ int ret;
+ struct lttcomm_relayd_reset_metadata msg;
+ struct lttcomm_relayd_generic_reply reply;
+
+ /* Code flow error. Safety net. */
+ assert(rsock);
+
+ /* Should have been prevented by the sessiond. */
+ if (rsock->minor < 8) {
+ ERR("Metadata regeneration unsupported before 2.8");
+ ret = -1;
+ goto error;
+ }
+
+ DBG("Relayd reset metadata stream id %" PRIu64, stream_id);
+
+ memset(&msg, 0, sizeof(msg));
+ msg.stream_id = htobe64(stream_id);
+ msg.version = htobe64(version);
+
+ /* Send command */
+ ret = send_command(rsock, RELAYD_RESET_METADATA, (void *) &msg, sizeof(msg), 0);
+ if (ret < 0) {
+ goto error;
+ }
+
+ /* Receive response */
+ ret = recv_reply(rsock, (void *) &reply, sizeof(reply));
+ if (ret < 0) {
+ goto error;
+ }
+
+ reply.ret_code = be32toh(reply.ret_code);
+
+ /* Return session id or negative ret code. */
+ if (reply.ret_code != LTTNG_OK) {
+ ret = -1;
+ ERR("Relayd reset metadata replied error %d", reply.ret_code);
+ } else {
+ /* Success */
+ ret = 0;
+ }
+
+ DBG("Relayd reset metadata stream id %" PRIu64 " successfully", stream_id);
+
+error:
+ return ret;
+}
projects / lttng-tools.git / blobdiff