/*
* Copyright (C) 2012 - David Goulet <dgoulet@efficios.com>
+ * 2018 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
*
* 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
*
* The consumer socket lock must be held by the caller.
*/
-int consumer_send_fds(struct consumer_socket *sock, int *fds, size_t nb_fd)
+int consumer_send_fds(struct consumer_socket *sock, const int *fds,
+ size_t nb_fd)
{
int ret;
uint32_t ust_app_uid,
int64_t blocking_timeout,
const char *root_shm_path,
- const char *shm_path)
+ const char *shm_path,
+ uint64_t trace_archive_id)
{
assert(msg);
msg->u.ask_channel.monitor = monitor;
msg->u.ask_channel.ust_app_uid = ust_app_uid;
msg->u.ask_channel.blocking_timeout = blocking_timeout;
+ msg->u.ask_channel.trace_archive_id = trace_archive_id;
memcpy(msg->u.ask_channel.uuid, uuid, sizeof(msg->u.ask_channel.uuid));
/*
* Init channel communication message structure.
*/
-void consumer_init_channel_comm_msg(struct lttcomm_consumer_msg *msg,
- enum lttng_consumer_command cmd,
+void consumer_init_add_channel_comm_msg(struct lttcomm_consumer_msg *msg,
uint64_t channel_key,
uint64_t session_id,
const char *pathname,
memset(msg, 0, sizeof(struct lttcomm_consumer_msg));
/* Send channel */
- msg->cmd_type = cmd;
+ msg->cmd_type = LTTNG_CONSUMER_ADD_CHANNEL;
msg->u.channel.channel_key = channel_key;
msg->u.channel.session_id = session_id;
msg->u.channel.uid = uid;
/*
* Init stream communication message structure.
*/
-void consumer_init_stream_comm_msg(struct lttcomm_consumer_msg *msg,
- enum lttng_consumer_command cmd,
+void consumer_init_add_stream_comm_msg(struct lttcomm_consumer_msg *msg,
uint64_t channel_key,
uint64_t stream_key,
- int cpu)
+ int32_t cpu,
+ uint64_t trace_archive_id)
{
assert(msg);
memset(msg, 0, sizeof(struct lttcomm_consumer_msg));
- msg->cmd_type = cmd;
+ msg->cmd_type = LTTNG_CONSUMER_ADD_STREAM;
msg->u.stream.channel_key = channel_key;
msg->u.stream.stream_key = stream_key;
msg->u.stream.cpu = cpu;
+ msg->u.stream.trace_archive_id = trace_archive_id;
}
void consumer_init_streams_sent_comm_msg(struct lttcomm_consumer_msg *msg,
*/
int consumer_send_stream(struct consumer_socket *sock,
struct consumer_output *dst, struct lttcomm_consumer_msg *msg,
- int *fds, size_t nb_fd)
+ const int *fds, size_t nb_fd)
{
int ret;
pipe_name = "channel monitor";
command_name = "SET_CHANNEL_MONITOR_PIPE";
break;
- case LTTNG_CONSUMER_SET_CHANNEL_ROTATE_PIPE:
- pipe_name = "channel rotate";
- command_name = "SET_CHANNEL_ROTATE_PIPE";
- break;
default:
ERR("Unexpected command received in %s (cmd = %d)", __func__,
(int) cmd);
LTTNG_CONSUMER_SET_CHANNEL_MONITOR_PIPE, pipe);
}
-int consumer_send_channel_rotate_pipe(struct consumer_socket *consumer_sock,
- int pipe)
-{
- return consumer_send_pipe(consumer_sock,
- LTTNG_CONSUMER_SET_CHANNEL_ROTATE_PIPE, pipe);
-}
-
/*
* Set consumer subdirectory using the session name and a generated datetime if
* needed. This is appended to the current subdirectory.
*/
int consumer_snapshot_channel(struct consumer_socket *socket, uint64_t key,
struct snapshot_output *output, int metadata, uid_t uid, gid_t gid,
- const char *session_path, int wait, uint64_t nb_packets_per_stream)
+ const char *session_path, int wait, uint64_t nb_packets_per_stream,
+ uint64_t trace_archive_id)
{
int ret;
struct lttcomm_consumer_msg msg;
msg.u.snapshot_channel.key = key;
msg.u.snapshot_channel.nb_packets_per_stream = nb_packets_per_stream;
msg.u.snapshot_channel.metadata = metadata;
+ msg.u.snapshot_channel.trace_archive_id = trace_archive_id;
if (output->consumer->type == CONSUMER_DST_NET) {
msg.u.snapshot_channel.relayd_id = output->consumer->net_seq_index;
if (ret < 0) {
ret = -LTTNG_ERR_NOMEM;
goto error;
+ } else if (ret >= sizeof(msg.u.snapshot_channel.pathname)) {
+ ERR("Snapshot path exceeds the maximal allowed length of %zu bytes (%i bytes required) with path \"%s/%s/%s-%s-%" PRIu64 "%s\"",
+ sizeof(msg.u.snapshot_channel.pathname),
+ ret, output->consumer->dst.net.base_dir,
+ output->consumer->subdir,
+ output->name, output->datetime,
+ output->nb_snapshot,
+ session_path);
+ ret = -LTTNG_ERR_SNAPSHOT_FAIL;
+ goto error;
}
} else {
ret = snprintf(msg.u.snapshot_channel.pathname,
if (ret < 0) {
ret = -LTTNG_ERR_NOMEM;
goto error;
+ } else if (ret >= sizeof(msg.u.snapshot_channel.pathname)) {
+ ERR("Snapshot path exceeds the maximal allowed length of %zu bytes (%i bytes required) with path \"%s/%s-%s-%" PRIu64 "%s\"",
+ sizeof(msg.u.snapshot_channel.pathname),
+ ret, output->consumer->dst.session_root_path,
+ output->name, output->datetime, output->nb_snapshot,
+ session_path);
+ ret = -LTTNG_ERR_SNAPSHOT_FAIL;
+ goto error;
}
+
msg.u.snapshot_channel.relayd_id = (uint64_t) -1ULL;
/* Create directory. Ignore if exist. */
int consumer_rotate_channel(struct consumer_socket *socket, uint64_t key,
uid_t uid, gid_t gid, struct consumer_output *output,
char *domain_path, bool is_metadata_channel,
- uint64_t new_chunk_id,
- bool *rotate_pending_relay)
+ uint64_t new_chunk_id)
{
int ret;
struct lttcomm_consumer_msg msg;
ret = -1;
goto error;
}
- *rotate_pending_relay = true;
} else {
msg.u.rotate_channel.relayd_id = (uint64_t) -1ULL;
ret = snprintf(msg.u.rotate_channel.pathname,
return ret;
}
+/*
+ * Ask the consumer if a rotation is locally pending. Must be called with the
+ * socket lock held.
+ *
+ * Return 1 if the rotation is still pending, 0 if finished, a negative value
+ * on error.
+ */
+int consumer_check_rotation_pending_local(struct consumer_socket *socket,
+ uint64_t session_id, uint64_t chunk_id)
+{
+ int ret;
+ struct lttcomm_consumer_msg msg;
+ uint32_t pending = 0;
+
+ assert(socket);
+
+ DBG("Asking consumer to locally check for pending rotation for session %" PRIu64 ", chunk id %" PRIu64,
+ session_id, chunk_id);
+
+ memset(&msg, 0, sizeof(msg));
+ msg.cmd_type = LTTNG_CONSUMER_CHECK_ROTATION_PENDING_LOCAL;
+ msg.u.check_rotation_pending_local.session_id = session_id;
+ msg.u.check_rotation_pending_local.chunk_id = chunk_id;
+
+ health_code_update();
+ ret = consumer_send_msg(socket, &msg);
+ if (ret < 0) {
+ goto error;
+ }
+
+ ret = consumer_socket_recv(socket, &pending, sizeof(pending));
+ if (ret < 0) {
+ goto error;
+ }
+
+ ret = pending;
+
+error:
+ health_code_update();
+ return ret;
+}
+
+/*
+ * Ask the consumer if a rotation is pending on the relayd. Must be called with
+ * the socket lock held.
+ *
+ * Return 1 if the rotation is still pending, 0 if finished, a negative value
+ * on error.
+ */
+int consumer_check_rotation_pending_relay(struct consumer_socket *socket,
+ const struct consumer_output *output, uint64_t session_id,
+ uint64_t chunk_id)
+{
+ int ret;
+ struct lttcomm_consumer_msg msg;
+ uint32_t pending = 0;
+
+ assert(socket);
+
+ DBG("Asking consumer to check for pending rotation on relay for session %" PRIu64 ", chunk id %" PRIu64,
+ session_id, chunk_id);
+ assert(output->type == CONSUMER_DST_NET);
+
+ memset(&msg, 0, sizeof(msg));
+ msg.cmd_type = LTTNG_CONSUMER_CHECK_ROTATION_PENDING_RELAY;
+ msg.u.check_rotation_pending_relay.session_id = session_id;
+ msg.u.check_rotation_pending_relay.relayd_id = output->net_seq_index;
+ msg.u.check_rotation_pending_relay.chunk_id = chunk_id;
+
+ health_code_update();
+ ret = consumer_send_msg(socket, &msg);
+ if (ret < 0) {
+ goto error;
+ }
+
+ ret = consumer_socket_recv(socket, &pending, sizeof(pending));
+ if (ret < 0) {
+ goto error;
+ }
+
+ ret = pending;
+
+error:
+ health_code_update();
+ return ret;
+}
+
/*
* Ask the consumer to create a directory.
*
projects / lttng-tools.git / blobdiff