*/
#define _LGPL_SOURCE
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-#include <unistd.h>
-#include <inttypes.h>
+#include "consumer.hpp"
+#include "health-sessiond.hpp"
+#include "lttng-sessiond.hpp"
+#include "ust-app.hpp"
+#include "utils.hpp"
#include <common/common.hpp>
#include <common/defaults.hpp>
-#include <common/uri.hpp>
#include <common/relayd/relayd.hpp>
#include <common/string-utils/format.hpp>
+#include <common/urcu.hpp>
+#include <common/uri.hpp>
-#include "consumer.hpp"
-#include "health-sessiond.hpp"
-#include "ust-app.hpp"
-#include "utils.hpp"
-#include "lttng-sessiond.hpp"
+#include <inttypes.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
/*
* Return allocated full pathname of the session using the consumer trace path
* returned.
*/
char *setup_channel_trace_path(struct consumer_output *consumer,
- const char *session_path, size_t *consumer_path_offset)
+ const char *session_path,
+ size_t *consumer_path_offset)
{
int ret;
char *pathname;
}
/* Get correct path name destination */
- if (consumer->type == CONSUMER_DST_NET &&
- consumer->relay_major_version == 2 &&
- consumer->relay_minor_version < 11) {
- ret = snprintf(pathname, LTTNG_PATH_MAX, "%s%s/%s/%s",
- consumer->dst.net.base_dir,
- consumer->chunk_path, consumer->domain_subdir,
- session_path);
+ if (consumer->type == CONSUMER_DST_NET && consumer->relay_major_version == 2 &&
+ consumer->relay_minor_version < 11) {
+ ret = snprintf(pathname,
+ LTTNG_PATH_MAX,
+ "%s%s/%s/%s",
+ consumer->dst.net.base_dir,
+ consumer->chunk_path,
+ consumer->domain_subdir,
+ session_path);
*consumer_path_offset = 0;
} else {
- ret = snprintf(pathname, LTTNG_PATH_MAX, "%s/%s",
- consumer->domain_subdir, session_path);
+ ret = snprintf(
+ pathname, LTTNG_PATH_MAX, "%s/%s", consumer->domain_subdir, session_path);
*consumer_path_offset = strlen(consumer->domain_subdir) + 1;
}
- DBG3("Consumer trace path relative to current trace chunk: \"%s\"",
- pathname);
+ DBG3("Consumer trace path relative to current trace chunk: \"%s\"", pathname);
if (ret < 0) {
PERROR("Failed to format channel path");
goto error;
return pathname;
error:
free(pathname);
- return NULL;
+ return nullptr;
}
/*
*
* Return 0 on success else a negative value on error.
*/
-int consumer_socket_send(
- struct consumer_socket *socket, const void *msg, size_t len)
+int consumer_socket_send(struct consumer_socket *socket, const void *msg, size_t len)
{
int fd;
ssize_t size;
* negative value is sent back and both parameters are untouched.
*/
int consumer_recv_status_channel(struct consumer_socket *sock,
- uint64_t *key, unsigned int *stream_count)
+ uint64_t *key,
+ unsigned int *stream_count)
{
int ret;
struct lttcomm_consumer_status_channel reply;
*
* On success return positive value. On error, negative value.
*/
-int consumer_send_destroy_relayd(struct consumer_socket *sock,
- struct consumer_output *consumer)
+int consumer_send_destroy_relayd(struct consumer_socket *sock, struct consumer_output *consumer)
{
int ret;
struct lttcomm_consumer_msg msg;
/* Destroy any relayd connection */
if (consumer->type == CONSUMER_DST_NET) {
- rcu_read_lock();
- cds_lfht_for_each_entry(consumer->socks->ht, &iter.iter, socket,
- node.node) {
- int ret;
+ lttng::urcu::read_lock_guard read_lock;
+
+ cds_lfht_for_each_entry (consumer->socks->ht, &iter.iter, socket, node.node) {
+ /* Send destroy relayd command. */
+ const int ret = consumer_send_destroy_relayd(socket, consumer);
- /* Send destroy relayd command */
- ret = consumer_send_destroy_relayd(socket, consumer);
if (ret < 0) {
DBG("Unable to send destroy relayd command to consumer");
/* Continue since we MUST delete everything at this point. */
}
}
- rcu_read_unlock();
}
}
*
* Return 0 on success, else negative value on error
*/
-int consumer_create_socket(struct consumer_data *data,
- struct consumer_output *output)
+int consumer_create_socket(struct consumer_data *data, struct consumer_output *output)
{
int ret = 0;
struct consumer_socket *socket;
LTTNG_ASSERT(data);
- if (output == NULL || data->cmd_sock < 0) {
+ lttng::urcu::read_lock_guard read_lock;
+
+ if (output == nullptr || data->cmd_sock < 0) {
/*
* Not an error. Possible there is simply not spawned consumer or it's
* disabled for the tracing session asking the socket.
goto error;
}
- rcu_read_lock();
socket = consumer_find_socket(data->cmd_sock, output);
- rcu_read_unlock();
- if (socket == NULL) {
+ if (socket == nullptr) {
socket = consumer_allocate_socket(&data->cmd_sock);
- if (socket == NULL) {
+ if (socket == nullptr) {
ret = -1;
goto error;
}
socket->registered = 0;
socket->lock = &data->lock;
- rcu_read_lock();
consumer_add_socket(socket, output);
- rcu_read_unlock();
}
socket->type = data->type;
- DBG3("Consumer socket created (fd: %d) and added to output",
- data->cmd_sock);
+ DBG3("Consumer socket created (fd: %d) and added to output", data->cmd_sock);
error:
return ret;
* object reference is not needed anymore.
*/
struct consumer_socket *consumer_find_socket_by_bitness(int bits,
- const struct consumer_output *consumer)
+ const struct consumer_output *consumer)
{
int consumer_fd;
- struct consumer_socket *socket = NULL;
+ struct consumer_socket *socket = nullptr;
ASSERT_RCU_READ_LOCKED();
socket = consumer_find_socket(consumer_fd, consumer);
if (!socket) {
- ERR("Consumer socket fd %d not found in consumer obj %p",
- consumer_fd, consumer);
+ ERR("Consumer socket fd %d not found in consumer obj %p", consumer_fd, consumer);
}
end:
* be acquired before calling this function and across use of the
* returned consumer_socket.
*/
-struct consumer_socket *consumer_find_socket(int key,
- const struct consumer_output *consumer)
+struct consumer_socket *consumer_find_socket(int key, const struct consumer_output *consumer)
{
struct lttng_ht_iter iter;
struct lttng_ht_node_ulong *node;
- struct consumer_socket *socket = NULL;
+ struct consumer_socket *socket = nullptr;
ASSERT_RCU_READ_LOCKED();
/* Negative keys are lookup failures */
- if (key < 0 || consumer == NULL) {
- return NULL;
+ if (key < 0 || consumer == nullptr) {
+ return nullptr;
}
- lttng_ht_lookup(consumer->socks, (void *)((unsigned long) key),
- &iter);
+ lttng_ht_lookup(consumer->socks, (void *) ((unsigned long) key), &iter);
node = lttng_ht_iter_get_node_ulong(&iter);
- if (node != NULL) {
- socket = caa_container_of(node, struct consumer_socket, node);
+ if (node != nullptr) {
+ socket = lttng::utils::container_of(node, &consumer_socket::node);
}
return socket;
*/
struct consumer_socket *consumer_allocate_socket(int *fd)
{
- struct consumer_socket *socket = NULL;
+ struct consumer_socket *socket = nullptr;
LTTNG_ASSERT(fd);
socket = zmalloc<consumer_socket>();
- if (socket == NULL) {
+ if (socket == nullptr) {
PERROR("zmalloc consumer socket");
goto error;
}
* Add consumer socket to consumer output object. Read side lock must be
* acquired before calling this function.
*/
-void consumer_add_socket(struct consumer_socket *sock,
- struct consumer_output *consumer)
+void consumer_add_socket(struct consumer_socket *sock, struct consumer_output *consumer)
{
LTTNG_ASSERT(sock);
LTTNG_ASSERT(consumer);
* Delete consumer socket to consumer output object. Read side lock must be
* acquired before calling this function.
*/
-void consumer_del_socket(struct consumer_socket *sock,
- struct consumer_output *consumer)
+void consumer_del_socket(struct consumer_socket *sock, struct consumer_output *consumer)
{
int ret;
struct lttng_ht_iter iter;
static void destroy_socket_rcu(struct rcu_head *head)
{
struct lttng_ht_node_ulong *node =
- caa_container_of(head, struct lttng_ht_node_ulong, head);
- struct consumer_socket *socket =
- caa_container_of(node, struct consumer_socket, node);
+ lttng::utils::container_of(head, <tng_ht_node_ulong::head);
+ struct consumer_socket *socket = lttng::utils::container_of(node, &consumer_socket::node);
free(socket);
}
*/
struct consumer_output *consumer_create_output(enum consumer_dst_type type)
{
- struct consumer_output *output = NULL;
+ struct consumer_output *output = nullptr;
output = zmalloc<consumer_output>();
- if (output == NULL) {
+ if (output == nullptr) {
PERROR("zmalloc consumer_output");
goto error;
}
/* By default, consumer output is enabled */
- output->enabled = 1;
+ output->enabled = true;
output->type = type;
output->net_seq_index = (uint64_t) -1ULL;
urcu_ref_init(&output->ref);
return;
}
- rcu_read_lock();
- cds_lfht_for_each_entry(obj->socks->ht, &iter.iter, socket, node.node) {
- consumer_del_socket(socket, obj);
- consumer_destroy_socket(socket);
+ {
+ lttng::urcu::read_lock_guard read_lock;
+
+ cds_lfht_for_each_entry (obj->socks->ht, &iter.iter, socket, node.node) {
+ consumer_del_socket(socket, obj);
+ consumer_destroy_socket(socket);
+ }
}
- rcu_read_unlock();
}
/*
*/
static void consumer_release_output(struct urcu_ref *ref)
{
- struct consumer_output *obj =
- caa_container_of(ref, struct consumer_output, ref);
+ struct consumer_output *obj = lttng::utils::container_of(ref, &consumer_output::ref);
consumer_destroy_output_sockets(obj);
LTTNG_ASSERT(src);
output = consumer_create_output(src->type);
- if (output == NULL) {
+ if (output == nullptr) {
goto end;
}
output->enabled = src->enabled;
output->net_seq_index = src->net_seq_index;
- memcpy(output->domain_subdir, src->domain_subdir,
- sizeof(output->domain_subdir));
+ memcpy(output->domain_subdir, src->domain_subdir, sizeof(output->domain_subdir));
output->snapshot = src->snapshot;
output->relay_major_version = src->relay_major_version;
output->relay_minor_version = src->relay_minor_version;
error_put:
consumer_output_put(output);
- return NULL;
+ return nullptr;
}
/*
*
* Return 0 on success or else a negative value.
*/
-int consumer_copy_sockets(struct consumer_output *dst,
- struct consumer_output *src)
+int consumer_copy_sockets(struct consumer_output *dst, struct consumer_output *src)
{
int ret = 0;
struct lttng_ht_iter iter;
LTTNG_ASSERT(dst);
LTTNG_ASSERT(src);
- rcu_read_lock();
- cds_lfht_for_each_entry(src->socks->ht, &iter.iter, socket, node.node) {
- /* Ignore socket that are already there. */
- copy_sock = consumer_find_socket(*socket->fd_ptr, dst);
- if (copy_sock) {
- continue;
- }
+ {
+ lttng::urcu::read_lock_guard read_lock;
- /* Create new socket object. */
- copy_sock = consumer_allocate_socket(socket->fd_ptr);
- if (copy_sock == NULL) {
- rcu_read_unlock();
- ret = -ENOMEM;
- goto error;
- }
+ cds_lfht_for_each_entry (src->socks->ht, &iter.iter, socket, node.node) {
+ /* Ignore socket that are already there. */
+ copy_sock = consumer_find_socket(*socket->fd_ptr, dst);
+ if (copy_sock) {
+ continue;
+ }
- copy_sock->registered = socket->registered;
- /*
- * This is valid because this lock is shared accross all consumer
- * object being the global lock of the consumer data structure of the
- * session daemon.
- */
- copy_sock->lock = socket->lock;
- consumer_add_socket(copy_sock, dst);
+ /* Create new socket object. */
+ copy_sock = consumer_allocate_socket(socket->fd_ptr);
+ if (copy_sock == nullptr) {
+ ret = -ENOMEM;
+ goto error;
+ }
+
+ copy_sock->registered = socket->registered;
+ /*
+ * This is valid because this lock is shared accross all consumer
+ * object being the global lock of the consumer data structure of the
+ * session daemon.
+ */
+ copy_sock->lock = socket->lock;
+ consumer_add_socket(copy_sock, dst);
+ }
}
- rcu_read_unlock();
error:
return ret;
* error.
*/
int consumer_set_network_uri(const struct ltt_session *session,
- struct consumer_output *output,
- struct lttng_uri *uri)
+ struct consumer_output *output,
+ struct lttng_uri *uri)
{
int ret;
- struct lttng_uri *dst_uri = NULL;
+ struct lttng_uri *dst_uri = nullptr;
/* Code flow error safety net. */
LTTNG_ASSERT(output);
/* Assign default port. */
uri->port = DEFAULT_NETWORK_CONTROL_PORT;
} else {
- if (output->dst.net.data_isset && uri->port ==
- output->dst.net.data.port) {
+ if (output->dst.net.data_isset && uri->port == output->dst.net.data.port) {
ret = -LTTNG_ERR_INVALID;
goto error;
}
/* Assign default port. */
uri->port = DEFAULT_NETWORK_DATA_PORT;
} else {
- if (output->dst.net.control_isset && uri->port ==
- output->dst.net.control.port) {
+ if (output->dst.net.control_isset &&
+ uri->port == output->dst.net.control.port) {
ret = -LTTNG_ERR_INVALID;
goto error;
}
goto error;
}
ret = snprintf(output->dst.net.base_dir,
- sizeof(output->dst.net.base_dir),
- "/%s/%s/", session->hostname, uri->subdir);
+ sizeof(output->dst.net.base_dir),
+ "/%s/%s/",
+ session->hostname,
+ uri->subdir);
} else {
if (session->has_auto_generated_name) {
ret = snprintf(output->dst.net.base_dir,
- sizeof(output->dst.net.base_dir),
- "/%s/%s/", session->hostname,
- session->name);
+ sizeof(output->dst.net.base_dir),
+ "/%s/%s/",
+ session->hostname,
+ session->name);
} else {
char session_creation_datetime[16];
size_t strftime_ret;
goto error;
}
strftime_ret = strftime(session_creation_datetime,
- sizeof(session_creation_datetime),
- "%Y%m%d-%H%M%S", timeinfo);
+ sizeof(session_creation_datetime),
+ "%Y%m%d-%H%M%S",
+ timeinfo);
if (strftime_ret == 0) {
ERR("Failed to format session creation timestamp while setting network URI");
ret = -LTTNG_ERR_FATAL;
goto error;
}
ret = snprintf(output->dst.net.base_dir,
- sizeof(output->dst.net.base_dir),
- "/%s/%s-%s/", session->hostname,
- session->name,
- session_creation_datetime);
+ sizeof(output->dst.net.base_dir),
+ "/%s/%s-%s/",
+ session->hostname,
+ session->name,
+ session_creation_datetime);
}
}
if (ret >= sizeof(output->dst.net.base_dir)) {
goto error;
}
- DBG3("Consumer set network uri base_dir path %s",
- output->dst.net.base_dir);
+ DBG3("Consumer set network uri base_dir path %s", output->dst.net.base_dir);
end:
return 0;
*
* The consumer socket lock must be held by the caller.
*/
-int consumer_send_fds(struct consumer_socket *sock, const int *fds,
- size_t nb_fd)
+int consumer_send_fds(struct consumer_socket *sock, const int *fds, size_t nb_fd)
{
int ret;
*
* The consumer socket lock must be held by the caller.
*/
-int consumer_send_msg(struct consumer_socket *sock,
- const struct lttcomm_consumer_msg *msg)
+int consumer_send_msg(struct consumer_socket *sock, const struct lttcomm_consumer_msg *msg)
{
int ret;
*
* The consumer socket lock must be held by the caller.
*/
-int consumer_send_channel(struct consumer_socket *sock,
- struct lttcomm_consumer_msg *msg)
+int consumer_send_channel(struct consumer_socket *sock, struct lttcomm_consumer_msg *msg)
{
int ret;
* information.
*/
void consumer_init_ask_channel_comm_msg(struct lttcomm_consumer_msg *msg,
- uint64_t subbuf_size,
- uint64_t num_subbuf,
- int overwrite,
- unsigned int switch_timer_interval,
- unsigned int read_timer_interval,
- unsigned int live_timer_interval,
- bool is_in_live_session,
- unsigned int monitor_timer_interval,
- int output,
- int type,
- uint64_t session_id,
- const char *pathname,
- const char *name,
- uint64_t relayd_id,
- uint64_t key,
- unsigned char *uuid,
- uint32_t chan_id,
- uint64_t tracefile_size,
- uint64_t tracefile_count,
- uint64_t session_id_per_pid,
- unsigned int monitor,
- uint32_t ust_app_uid,
- int64_t blocking_timeout,
- const char *root_shm_path,
- const char *shm_path,
- struct lttng_trace_chunk *trace_chunk,
- const struct lttng_credentials *buffer_credentials)
+ uint64_t subbuf_size,
+ uint64_t num_subbuf,
+ int overwrite,
+ unsigned int switch_timer_interval,
+ unsigned int read_timer_interval,
+ unsigned int live_timer_interval,
+ bool is_in_live_session,
+ unsigned int monitor_timer_interval,
+ int output,
+ int type,
+ uint64_t session_id,
+ const char *pathname,
+ const char *name,
+ uint64_t relayd_id,
+ uint64_t key,
+ const lttng_uuid& uuid,
+ uint32_t chan_id,
+ uint64_t tracefile_size,
+ uint64_t tracefile_count,
+ uint64_t session_id_per_pid,
+ unsigned int monitor,
+ uint32_t ust_app_uid,
+ int64_t blocking_timeout,
+ const char *root_shm_path,
+ const char *shm_path,
+ struct lttng_trace_chunk *trace_chunk,
+ const struct lttng_credentials *buffer_credentials)
{
LTTNG_ASSERT(msg);
LTTNG_ASSERT(chunk_status == LTTNG_TRACE_CHUNK_STATUS_OK);
LTTNG_OPTIONAL_SET(&msg->u.ask_channel.chunk_id, chunk_id);
}
- msg->u.ask_channel.buffer_credentials.uid =
- lttng_credentials_get_uid(buffer_credentials);
- msg->u.ask_channel.buffer_credentials.gid =
- lttng_credentials_get_gid(buffer_credentials);
+ msg->u.ask_channel.buffer_credentials.uid = lttng_credentials_get_uid(buffer_credentials);
+ msg->u.ask_channel.buffer_credentials.gid = lttng_credentials_get_gid(buffer_credentials);
msg->cmd_type = LTTNG_CONSUMER_ASK_CHANNEL_CREATION;
msg->u.ask_channel.subbuf_size = subbuf_size;
- msg->u.ask_channel.num_subbuf = num_subbuf ;
+ msg->u.ask_channel.num_subbuf = num_subbuf;
msg->u.ask_channel.overwrite = overwrite;
msg->u.ask_channel.switch_timer_interval = switch_timer_interval;
msg->u.ask_channel.read_timer_interval = read_timer_interval;
msg->u.ask_channel.ust_app_uid = ust_app_uid;
msg->u.ask_channel.blocking_timeout = blocking_timeout;
- memcpy(msg->u.ask_channel.uuid, uuid, sizeof(msg->u.ask_channel.uuid));
+ std::copy(uuid.begin(), uuid.end(), msg->u.ask_channel.uuid);
if (pathname) {
- strncpy(msg->u.ask_channel.pathname, pathname,
- sizeof(msg->u.ask_channel.pathname));
- msg->u.ask_channel.pathname[sizeof(msg->u.ask_channel.pathname)-1] = '\0';
+ strncpy(msg->u.ask_channel.pathname, pathname, sizeof(msg->u.ask_channel.pathname));
+ msg->u.ask_channel.pathname[sizeof(msg->u.ask_channel.pathname) - 1] = '\0';
}
strncpy(msg->u.ask_channel.name, name, sizeof(msg->u.ask_channel.name));
msg->u.ask_channel.name[sizeof(msg->u.ask_channel.name) - 1] = '\0';
if (root_shm_path) {
- strncpy(msg->u.ask_channel.root_shm_path, root_shm_path,
+ strncpy(msg->u.ask_channel.root_shm_path,
+ root_shm_path,
sizeof(msg->u.ask_channel.root_shm_path));
- msg->u.ask_channel.root_shm_path[sizeof(msg->u.ask_channel.root_shm_path) - 1] = '\0';
+ msg->u.ask_channel.root_shm_path[sizeof(msg->u.ask_channel.root_shm_path) - 1] =
+ '\0';
}
if (shm_path) {
- strncpy(msg->u.ask_channel.shm_path, shm_path,
- sizeof(msg->u.ask_channel.shm_path));
+ strncpy(msg->u.ask_channel.shm_path, shm_path, sizeof(msg->u.ask_channel.shm_path));
msg->u.ask_channel.shm_path[sizeof(msg->u.ask_channel.shm_path) - 1] = '\0';
}
}
* Init channel communication message structure.
*/
void consumer_init_add_channel_comm_msg(struct lttcomm_consumer_msg *msg,
- uint64_t channel_key,
- uint64_t session_id,
- const char *pathname,
- uint64_t relayd_id,
- const char *name,
- unsigned int nb_init_streams,
- enum lttng_event_output output,
- int type,
- uint64_t tracefile_size,
- uint64_t tracefile_count,
- unsigned int monitor,
- unsigned int live_timer_interval,
- bool is_in_live_session,
- unsigned int monitor_timer_interval,
- struct lttng_trace_chunk *trace_chunk)
+ uint64_t channel_key,
+ uint64_t session_id,
+ const char *pathname,
+ uint64_t relayd_id,
+ const char *name,
+ unsigned int nb_init_streams,
+ enum lttng_event_output output,
+ int type,
+ uint64_t tracefile_size,
+ uint64_t tracefile_count,
+ unsigned int monitor,
+ unsigned int live_timer_interval,
+ bool is_in_live_session,
+ unsigned int monitor_timer_interval,
+ struct lttng_trace_chunk *trace_chunk)
{
LTTNG_ASSERT(msg);
msg->u.channel.is_live = is_in_live_session;
msg->u.channel.monitor_timer_interval = monitor_timer_interval;
- strncpy(msg->u.channel.pathname, pathname,
- sizeof(msg->u.channel.pathname));
+ strncpy(msg->u.channel.pathname, pathname, sizeof(msg->u.channel.pathname));
msg->u.channel.pathname[sizeof(msg->u.channel.pathname) - 1] = '\0';
strncpy(msg->u.channel.name, name, sizeof(msg->u.channel.name));
* Init stream communication message structure.
*/
void consumer_init_add_stream_comm_msg(struct lttcomm_consumer_msg *msg,
- uint64_t channel_key,
- uint64_t stream_key,
- int32_t cpu)
+ uint64_t channel_key,
+ uint64_t stream_key,
+ int32_t cpu)
{
LTTNG_ASSERT(msg);
}
void consumer_init_streams_sent_comm_msg(struct lttcomm_consumer_msg *msg,
- enum lttng_consumer_command cmd,
- uint64_t channel_key, uint64_t net_seq_idx)
+ enum lttng_consumer_command cmd,
+ uint64_t channel_key,
+ uint64_t net_seq_idx)
{
LTTNG_ASSERT(msg);
* Send stream communication structure to the consumer.
*/
int consumer_send_stream(struct consumer_socket *sock,
- struct consumer_output *dst, struct lttcomm_consumer_msg *msg,
- const int *fds, size_t nb_fd)
+ struct consumer_output *dst,
+ struct lttcomm_consumer_msg *msg,
+ const int *fds,
+ size_t nb_fd)
{
int ret;
* On success return positive value. On error, negative value.
*/
int consumer_send_relayd_socket(struct consumer_socket *consumer_sock,
- struct lttcomm_relayd_sock *rsock, struct consumer_output *consumer,
- enum lttng_stream_type type, uint64_t session_id,
- const char *session_name, const char *hostname,
- const char *base_path, int session_live_timer,
- const uint64_t *current_chunk_id, time_t session_creation_time,
- bool session_name_contains_creation_time)
+ struct lttcomm_relayd_sock *rsock,
+ struct consumer_output *consumer,
+ enum lttng_stream_type type,
+ uint64_t session_id,
+ const char *session_name,
+ const char *hostname,
+ const char *base_path,
+ int session_live_timer,
+ const uint64_t *current_chunk_id,
+ time_t session_creation_time,
+ bool session_name_contains_creation_time)
{
int ret;
int fd;
char output_path[LTTNG_PATH_MAX] = {};
uint64_t relayd_session_id;
- ret = relayd_create_session(rsock, &relayd_session_id,
- session_name, hostname, base_path,
- session_live_timer, consumer->snapshot,
- session_id, the_sessiond_uuid, current_chunk_id,
- session_creation_time,
- session_name_contains_creation_time,
- output_path);
+ ret = relayd_create_session(rsock,
+ &relayd_session_id,
+ session_name,
+ hostname,
+ base_path,
+ session_live_timer,
+ consumer->snapshot,
+ session_id,
+ the_sessiond_uuid,
+ current_chunk_id,
+ session_creation_time,
+ session_name_contains_creation_time,
+ output_path);
if (ret < 0) {
/* Close the control socket. */
(void) relayd_close(rsock);
goto error;
}
msg.u.relayd_sock.relayd_session_id = relayd_session_id;
- DBG("Created session on relay, output path reply: %s",
- output_path);
+ DBG("Created session on relay, output path reply: %s", output_path);
}
msg.cmd_type = LTTNG_CONSUMER_ADD_RELAYD_SOCKET;
return ret;
}
-static
-int consumer_send_pipe(struct consumer_socket *consumer_sock,
- enum lttng_consumer_command cmd, int pipe)
+static int
+consumer_send_pipe(struct consumer_socket *consumer_sock, enum lttng_consumer_command cmd, int pipe)
{
int ret;
struct lttcomm_consumer_msg msg;
command_name = "SET_CHANNEL_MONITOR_PIPE";
break;
default:
- ERR("Unexpected command received in %s (cmd = %d)", __func__,
- (int) cmd);
+ ERR("Unexpected command received in %s (cmd = %d)", __func__, (int) cmd);
abort();
}
goto error;
}
- DBG3("Sending %s pipe %d to consumer on socket %d",
- pipe_name,
- pipe, *consumer_sock->fd_ptr);
+ DBG3("Sending %s pipe %d to consumer on socket %d", pipe_name, pipe, *consumer_sock->fd_ptr);
ret = consumer_send_fds(consumer_sock, &pipe, 1);
if (ret < 0) {
goto error;
return ret;
}
-int consumer_send_channel_monitor_pipe(struct consumer_socket *consumer_sock,
- int pipe)
+int consumer_send_channel_monitor_pipe(struct consumer_socket *consumer_sock, int pipe)
{
- return consumer_send_pipe(consumer_sock,
- LTTNG_CONSUMER_SET_CHANNEL_MONITOR_PIPE, pipe);
+ return consumer_send_pipe(consumer_sock, LTTNG_CONSUMER_SET_CHANNEL_MONITOR_PIPE, pipe);
}
/*
* Ask the consumer if the data is pending for the specific session id.
* Returns 1 if data is pending, 0 otherwise, or < 0 on error.
*/
-int consumer_is_data_pending(uint64_t session_id,
- struct consumer_output *consumer)
+int consumer_is_data_pending(uint64_t session_id, struct consumer_output *consumer)
{
int ret;
- int32_t ret_code = 0; /* Default is that the data is NOT pending */
+ int32_t ret_code = 0; /* Default is that the data is NOT pending */
struct consumer_socket *socket;
struct lttng_ht_iter iter;
struct lttcomm_consumer_msg msg;
msg.cmd_type = LTTNG_CONSUMER_DATA_PENDING;
msg.u.data_pending.session_id = session_id;
- /* Send command for each consumer */
- rcu_read_lock();
- cds_lfht_for_each_entry(consumer->socks->ht, &iter.iter, socket,
- node.node) {
- pthread_mutex_lock(socket->lock);
- ret = consumer_socket_send(socket, &msg, sizeof(msg));
- if (ret < 0) {
- pthread_mutex_unlock(socket->lock);
- goto error_unlock;
- }
+ {
+ /* Send command for each consumer. */
+ lttng::urcu::read_lock_guard read_lock;
- /*
- * No need for a recv reply status because the answer to the command is
- * the reply status message.
- */
+ cds_lfht_for_each_entry (consumer->socks->ht, &iter.iter, socket, node.node) {
+ pthread_mutex_lock(socket->lock);
+ ret = consumer_socket_send(socket, &msg, sizeof(msg));
+ if (ret < 0) {
+ pthread_mutex_unlock(socket->lock);
+ goto error_unlock;
+ }
+
+ /*
+ * No need for a recv reply status because the answer to the command is
+ * the reply status message.
+ */
+ ret = consumer_socket_recv(socket, &ret_code, sizeof(ret_code));
+ if (ret < 0) {
+ pthread_mutex_unlock(socket->lock);
+ goto error_unlock;
+ }
- ret = consumer_socket_recv(socket, &ret_code, sizeof(ret_code));
- if (ret < 0) {
pthread_mutex_unlock(socket->lock);
- goto error_unlock;
- }
- pthread_mutex_unlock(socket->lock);
- if (ret_code == 1) {
- break;
+ if (ret_code == 1) {
+ break;
+ }
}
}
- rcu_read_unlock();
DBG("Consumer data is %s pending for session id %" PRIu64,
- ret_code == 1 ? "" : "NOT", session_id);
+ ret_code == 1 ? "" : "NOT",
+ session_id);
return ret_code;
error_unlock:
- rcu_read_unlock();
return -1;
}
*
* Return 0 on success else a negative value.
*/
-int consumer_close_metadata(struct consumer_socket *socket,
- uint64_t metadata_key)
+int consumer_close_metadata(struct consumer_socket *socket, uint64_t metadata_key)
{
int ret;
struct lttcomm_consumer_msg msg;
*
* Return 0 on success else a negative value.
*/
-int consumer_setup_metadata(struct consumer_socket *socket,
- uint64_t metadata_key)
+int consumer_setup_metadata(struct consumer_socket *socket, uint64_t metadata_key)
{
int ret;
struct lttcomm_consumer_msg msg;
* Return 0 on success else a negative value.
*/
int consumer_push_metadata(struct consumer_socket *socket,
- uint64_t metadata_key, char *metadata_str, size_t len,
- size_t target_offset, uint64_t version)
+ uint64_t metadata_key,
+ char *metadata_str,
+ size_t len,
+ size_t target_offset,
+ uint64_t version)
{
int ret;
struct lttcomm_consumer_msg msg;
goto end;
}
- DBG3("Consumer pushing metadata on sock %d of len %zu", *socket->fd_ptr,
- len);
+ DBG3("Consumer pushing metadata on sock %d of len %zu", *socket->fd_ptr, len);
ret = consumer_socket_send(socket, metadata_str, len);
if (ret < 0) {
* Returns LTTNG_OK on success or else an LTTng error code.
*/
enum lttng_error_code consumer_snapshot_channel(struct consumer_socket *socket,
- uint64_t key, const struct consumer_output *output, int metadata,
- const char *channel_path,
- uint64_t nb_packets_per_stream)
+ uint64_t key,
+ const struct consumer_output *output,
+ int metadata,
+ const char *channel_path,
+ uint64_t nb_packets_per_stream)
{
int ret;
enum lttng_error_code status = LTTNG_OK;
msg.u.snapshot_channel.metadata = metadata;
if (output->type == CONSUMER_DST_NET) {
- msg.u.snapshot_channel.relayd_id =
- output->net_seq_index;
+ msg.u.snapshot_channel.relayd_id = output->net_seq_index;
msg.u.snapshot_channel.use_relayd = 1;
} else {
msg.u.snapshot_channel.relayd_id = (uint64_t) -1ULL;
}
ret = lttng_strncpy(msg.u.snapshot_channel.pathname,
- channel_path,
- sizeof(msg.u.snapshot_channel.pathname));
+ channel_path,
+ sizeof(msg.u.snapshot_channel.pathname));
if (ret < 0) {
ERR("Snapshot path exceeds the maximal allowed length of %zu bytes (%zu bytes required) with path \"%s\"",
- sizeof(msg.u.snapshot_channel.pathname),
- strlen(channel_path),
- channel_path);
+ sizeof(msg.u.snapshot_channel.pathname),
+ strlen(channel_path),
+ channel_path);
status = LTTNG_ERR_SNAPSHOT_FAIL;
goto error;
}
/*
* Ask the consumer the number of discarded events for a channel.
*/
-int consumer_get_discarded_events(uint64_t session_id, uint64_t channel_key,
- struct consumer_output *consumer, uint64_t *discarded)
+int consumer_get_discarded_events(uint64_t session_id,
+ uint64_t channel_key,
+ struct consumer_output *consumer,
+ uint64_t *discarded)
{
int ret;
struct consumer_socket *socket;
*discarded = 0;
- /* Send command for each consumer */
- rcu_read_lock();
- cds_lfht_for_each_entry(consumer->socks->ht, &iter.iter, socket,
- node.node) {
- uint64_t consumer_discarded = 0;
- pthread_mutex_lock(socket->lock);
- ret = consumer_socket_send(socket, &msg, sizeof(msg));
- if (ret < 0) {
- pthread_mutex_unlock(socket->lock);
- goto end;
- }
+ /* Send command for each consumer. */
+ {
+ lttng::urcu::read_lock_guard read_lock;
+
+ cds_lfht_for_each_entry (consumer->socks->ht, &iter.iter, socket, node.node) {
+ uint64_t consumer_discarded = 0;
+
+ pthread_mutex_lock(socket->lock);
+ ret = consumer_socket_send(socket, &msg, sizeof(msg));
+ if (ret < 0) {
+ pthread_mutex_unlock(socket->lock);
+ goto end;
+ }
+
+ /*
+ * No need for a recv reply status because the answer to the
+ * command is the reply status message.
+ */
+ ret = consumer_socket_recv(
+ socket, &consumer_discarded, sizeof(consumer_discarded));
+ if (ret < 0) {
+ ERR("get discarded events");
+ pthread_mutex_unlock(socket->lock);
+ goto end;
+ }
- /*
- * No need for a recv reply status because the answer to the
- * command is the reply status message.
- */
- ret = consumer_socket_recv(socket, &consumer_discarded,
- sizeof(consumer_discarded));
- if (ret < 0) {
- ERR("get discarded events");
pthread_mutex_unlock(socket->lock);
- goto end;
+ *discarded += consumer_discarded;
}
- pthread_mutex_unlock(socket->lock);
- *discarded += consumer_discarded;
}
+
ret = 0;
- DBG("Consumer discarded %" PRIu64 " events in session id %" PRIu64,
- *discarded, session_id);
+ DBG("Consumer discarded %" PRIu64 " events in session id %" PRIu64, *discarded, session_id);
end:
- rcu_read_unlock();
return ret;
}
/*
* Ask the consumer the number of lost packets for a channel.
*/
-int consumer_get_lost_packets(uint64_t session_id, uint64_t channel_key,
- struct consumer_output *consumer, uint64_t *lost)
+int consumer_get_lost_packets(uint64_t session_id,
+ uint64_t channel_key,
+ struct consumer_output *consumer,
+ uint64_t *lost)
{
int ret;
struct consumer_socket *socket;
*lost = 0;
- /* Send command for each consumer */
- rcu_read_lock();
- cds_lfht_for_each_entry(consumer->socks->ht, &iter.iter, socket,
- node.node) {
- uint64_t consumer_lost = 0;
- pthread_mutex_lock(socket->lock);
- ret = consumer_socket_send(socket, &msg, sizeof(msg));
- if (ret < 0) {
- pthread_mutex_unlock(socket->lock);
- goto end;
- }
+ /* Send command for each consumer. */
+ {
+ lttng::urcu::read_lock_guard read_lock;
- /*
- * No need for a recv reply status because the answer to the
- * command is the reply status message.
- */
- ret = consumer_socket_recv(socket, &consumer_lost,
- sizeof(consumer_lost));
- if (ret < 0) {
- ERR("get lost packets");
+ cds_lfht_for_each_entry (consumer->socks->ht, &iter.iter, socket, node.node) {
+ uint64_t consumer_lost = 0;
+ pthread_mutex_lock(socket->lock);
+ ret = consumer_socket_send(socket, &msg, sizeof(msg));
+ if (ret < 0) {
+ pthread_mutex_unlock(socket->lock);
+ goto end;
+ }
+
+ /*
+ * No need for a recv reply status because the answer to the
+ * command is the reply status message.
+ */
+ ret = consumer_socket_recv(socket, &consumer_lost, sizeof(consumer_lost));
+ if (ret < 0) {
+ ERR("get lost packets");
+ pthread_mutex_unlock(socket->lock);
+ goto end;
+ }
pthread_mutex_unlock(socket->lock);
- goto end;
+ *lost += consumer_lost;
}
- pthread_mutex_unlock(socket->lock);
- *lost += consumer_lost;
}
+
ret = 0;
- DBG("Consumer lost %" PRIu64 " packets in session id %" PRIu64,
- *lost, session_id);
+ DBG("Consumer lost %" PRIu64 " packets in session id %" PRIu64, *lost, session_id);
end:
- rcu_read_unlock();
return ret;
}
* when the rotation started. On the relay, this allows to keep track in which
* chunk each stream is currently writing to (for the rotate_pending operation).
*/
-int consumer_rotate_channel(struct consumer_socket *socket, uint64_t key,
- struct consumer_output *output,
- bool is_metadata_channel)
+int consumer_rotate_channel(struct consumer_socket *socket,
+ uint64_t key,
+ struct consumer_output *output,
+ bool is_metadata_channel)
{
int ret;
struct lttcomm_consumer_msg msg;
return ret;
}
-int consumer_init(struct consumer_socket *socket,
- const lttng_uuid sessiond_uuid)
+int consumer_init(struct consumer_socket *socket, const lttng_uuid& sessiond_uuid)
{
int ret;
struct lttcomm_consumer_msg msg = {
LTTNG_ASSERT(socket);
DBG("Sending consumer initialization command");
- lttng_uuid_copy(msg.u.init.sessiond_uuid, sessiond_uuid);
+ std::copy(sessiond_uuid.begin(), sessiond_uuid.end(), msg.u.init.sessiond_uuid);
health_code_update();
ret = consumer_send_msg(socket, &msg);
* Called with the consumer socket lock held.
*/
int consumer_create_trace_chunk(struct consumer_socket *socket,
- uint64_t relayd_id, uint64_t session_id,
- struct lttng_trace_chunk *chunk,
- const char *domain_subdir)
+ uint64_t relayd_id,
+ uint64_t session_id,
+ struct lttng_trace_chunk *chunk,
+ const char *domain_subdir)
{
int ret;
enum lttng_trace_chunk_status chunk_status;
struct lttng_credentials chunk_credentials;
- const struct lttng_directory_handle *chunk_directory_handle = NULL;
- struct lttng_directory_handle *domain_handle = NULL;
+ const struct lttng_directory_handle *chunk_directory_handle = nullptr;
+ struct lttng_directory_handle *domain_handle = nullptr;
int domain_dirfd;
const char *chunk_name;
bool chunk_name_overridden;
LTTNG_ASSERT(chunk);
if (relayd_id != -1ULL) {
- LTTNG_OPTIONAL_SET(&msg.u.create_trace_chunk.relayd_id,
- relayd_id);
+ LTTNG_OPTIONAL_SET(&msg.u.create_trace_chunk.relayd_id, relayd_id);
}
- chunk_status = lttng_trace_chunk_get_name(chunk, &chunk_name,
- &chunk_name_overridden);
+ chunk_status = lttng_trace_chunk_get_name(chunk, &chunk_name, &chunk_name_overridden);
if (chunk_status != LTTNG_TRACE_CHUNK_STATUS_OK &&
- chunk_status != LTTNG_TRACE_CHUNK_STATUS_NONE) {
+ chunk_status != LTTNG_TRACE_CHUNK_STATUS_NONE) {
ERR("Failed to get name of trace chunk");
ret = -LTTNG_ERR_FATAL;
goto error;
}
if (chunk_name_overridden) {
ret = lttng_strncpy(msg.u.create_trace_chunk.override_name,
- chunk_name,
- sizeof(msg.u.create_trace_chunk.override_name));
+ chunk_name,
+ sizeof(msg.u.create_trace_chunk.override_name));
if (ret) {
ERR("Trace chunk name \"%s\" exceeds the maximal length allowed by the consumer protocol",
- chunk_name);
+ chunk_name);
ret = -LTTNG_ERR_FATAL;
goto error;
}
}
- chunk_status = lttng_trace_chunk_get_creation_timestamp(chunk,
- &creation_timestamp);
+ chunk_status = lttng_trace_chunk_get_creation_timestamp(chunk, &creation_timestamp);
if (chunk_status != LTTNG_TRACE_CHUNK_STATUS_OK) {
ret = -LTTNG_ERR_FATAL;
goto error;
}
- msg.u.create_trace_chunk.creation_timestamp =
- (uint64_t) creation_timestamp;
+ msg.u.create_trace_chunk.creation_timestamp = (uint64_t) creation_timestamp;
/* Only used for logging purposes. */
- ret = time_to_iso8601_str(creation_timestamp,
- creation_timestamp_buffer,
- sizeof(creation_timestamp_buffer));
- creation_timestamp_str = !ret ? creation_timestamp_buffer :
- "(formatting error)";
+ ret = time_to_iso8601_str(
+ creation_timestamp, creation_timestamp_buffer, sizeof(creation_timestamp_buffer));
+ creation_timestamp_str = !ret ? creation_timestamp_buffer : "(formatting error)";
chunk_status = lttng_trace_chunk_get_id(chunk, &chunk_id);
if (chunk_status != LTTNG_TRACE_CHUNK_STATUS_OK) {
if (chunk_has_local_output) {
chunk_status = lttng_trace_chunk_borrow_chunk_directory_handle(
- chunk, &chunk_directory_handle);
+ chunk, &chunk_directory_handle);
if (chunk_status != LTTNG_TRACE_CHUNK_STATUS_OK) {
ret = -LTTNG_ERR_FATAL;
goto error;
}
- chunk_status = lttng_trace_chunk_get_credentials(
- chunk, &chunk_credentials);
+ chunk_status = lttng_trace_chunk_get_credentials(chunk, &chunk_credentials);
if (chunk_status != LTTNG_TRACE_CHUNK_STATUS_OK) {
/*
* Not associating credentials to a sessiond chunk is a
ret = -LTTNG_ERR_FATAL;
goto error;
}
- tc_status = lttng_trace_chunk_create_subdirectory(
- chunk, domain_subdir);
+ tc_status = lttng_trace_chunk_create_subdirectory(chunk, domain_subdir);
if (tc_status != LTTNG_TRACE_CHUNK_STATUS_OK) {
PERROR("Failed to create chunk domain output directory \"%s\"",
- domain_subdir);
+ domain_subdir);
ret = -LTTNG_ERR_FATAL;
goto error;
}
- domain_handle = lttng_directory_handle_create_from_handle(
- domain_subdir,
- chunk_directory_handle);
+ domain_handle = lttng_directory_handle_create_from_handle(domain_subdir,
+ chunk_directory_handle);
if (!domain_handle) {
ret = -LTTNG_ERR_FATAL;
goto error;
* The ownership of the chunk directory handle's is maintained
* by the trace chunk.
*/
- domain_dirfd = lttng_directory_handle_get_dirfd(
- domain_handle);
+ domain_dirfd = lttng_directory_handle_get_dirfd(domain_handle);
LTTNG_ASSERT(domain_dirfd >= 0);
msg.u.create_trace_chunk.credentials.value.uid =
- lttng_credentials_get_uid(&chunk_credentials);
+ lttng_credentials_get_uid(&chunk_credentials);
msg.u.create_trace_chunk.credentials.value.gid =
- lttng_credentials_get_gid(&chunk_credentials);
+ lttng_credentials_get_gid(&chunk_credentials);
msg.u.create_trace_chunk.credentials.is_set = 1;
}
DBG("Sending consumer create trace chunk command: relayd_id = %" PRId64
- ", session_id = %" PRIu64 ", chunk_id = %" PRIu64
- ", creation_timestamp = %s",
- relayd_id, session_id, chunk_id,
- creation_timestamp_str);
+ ", session_id = %" PRIu64 ", chunk_id = %" PRIu64 ", creation_timestamp = %s",
+ relayd_id,
+ session_id,
+ chunk_id,
+ creation_timestamp_str);
health_code_update();
ret = consumer_send_msg(socket, &msg);
health_code_update();
* Called with the consumer socket lock held.
*/
int consumer_close_trace_chunk(struct consumer_socket *socket,
- uint64_t relayd_id, uint64_t session_id,
- struct lttng_trace_chunk *chunk,
- char *closed_trace_chunk_path)
+ uint64_t relayd_id,
+ uint64_t session_id,
+ struct lttng_trace_chunk *chunk,
+ char *closed_trace_chunk_path)
{
int ret;
enum lttng_trace_chunk_status chunk_status;
lttng_dynamic_buffer_init(&path_reception_buffer);
if (relayd_id != -1ULL) {
- LTTNG_OPTIONAL_SET(
- &msg.u.close_trace_chunk.relayd_id, relayd_id);
+ LTTNG_OPTIONAL_SET(&msg.u.close_trace_chunk.relayd_id, relayd_id);
}
- chunk_status = lttng_trace_chunk_get_close_command(
- chunk, &close_command);
+ chunk_status = lttng_trace_chunk_get_close_command(chunk, &close_command);
switch (chunk_status) {
case LTTNG_TRACE_CHUNK_STATUS_OK:
LTTNG_OPTIONAL_SET(&msg.u.close_trace_chunk.close_command,
- (uint32_t) close_command);
+ (uint32_t) close_command);
break;
case LTTNG_TRACE_CHUNK_STATUS_NONE:
break;
LTTNG_ASSERT(chunk_status == LTTNG_TRACE_CHUNK_STATUS_OK);
msg.u.close_trace_chunk.chunk_id = chunk_id;
- chunk_status = lttng_trace_chunk_get_close_timestamp(chunk,
- &close_timestamp);
+ chunk_status = lttng_trace_chunk_get_close_timestamp(chunk, &close_timestamp);
/*
* A trace chunk should be closed locally before being closed remotely.
* Otherwise, the close timestamp would never be transmitted to the
msg.u.close_trace_chunk.close_timestamp = (uint64_t) close_timestamp;
if (msg.u.close_trace_chunk.close_command.is_set) {
- close_command_name = lttng_trace_chunk_command_type_get_name(
- close_command);
+ close_command_name = lttng_trace_chunk_command_type_get_name(close_command);
}
DBG("Sending consumer close trace chunk command: relayd_id = %" PRId64
- ", session_id = %" PRIu64 ", chunk_id = %" PRIu64
- ", close command = \"%s\"",
- relayd_id, session_id, chunk_id, close_command_name);
+ ", session_id = %" PRIu64 ", chunk_id = %" PRIu64 ", close command = \"%s\"",
+ relayd_id,
+ session_id,
+ chunk_id,
+ close_command_name);
health_code_update();
ret = consumer_socket_send(socket, &msg, sizeof(struct lttcomm_consumer_msg));
goto error;
}
if (reply.path_length >= LTTNG_PATH_MAX) {
- ERR("Invalid path returned by relay daemon: %" PRIu32 "bytes exceeds maximal allowed length of %d bytes",
- reply.path_length, LTTNG_PATH_MAX);
+ ERR("Invalid path returned by relay daemon: %" PRIu32
+ "bytes exceeds maximal allowed length of %d bytes",
+ reply.path_length,
+ LTTNG_PATH_MAX);
ret = -LTTNG_ERR_INVALID_PROTOCOL;
goto error;
}
- ret = lttng_dynamic_buffer_set_size(&path_reception_buffer,
- reply.path_length);
+ ret = lttng_dynamic_buffer_set_size(&path_reception_buffer, reply.path_length);
if (ret) {
ERR("Failed to allocate reception buffer of path returned by the \"close trace chunk\" command");
ret = -LTTNG_ERR_NOMEM;
goto error;
}
- ret = consumer_socket_recv(socket, path_reception_buffer.data,
- path_reception_buffer.size);
+ ret = consumer_socket_recv(socket, path_reception_buffer.data, path_reception_buffer.size);
if (ret < 0) {
ERR("Communication error while receiving path of closed trace chunk");
ret = -LTTNG_ERR_CLOSE_TRACE_CHUNK_FAIL_CONSUMER;
* closed_trace_chunk_path is assumed to have a length >=
* LTTNG_PATH_MAX
*/
- memcpy(closed_trace_chunk_path, path_reception_buffer.data,
- path_reception_buffer.size);
+ memcpy(closed_trace_chunk_path,
+ path_reception_buffer.data,
+ path_reception_buffer.size);
}
error:
lttng_dynamic_buffer_reset(&path_reception_buffer);
* Returns 0 on success, or a negative value on error.
*/
int consumer_trace_chunk_exists(struct consumer_socket *socket,
- uint64_t relayd_id, uint64_t session_id,
- struct lttng_trace_chunk *chunk,
- enum consumer_trace_chunk_exists_status *result)
+ uint64_t relayd_id,
+ uint64_t session_id,
+ struct lttng_trace_chunk *chunk,
+ enum consumer_trace_chunk_exists_status *result)
{
int ret;
enum lttng_trace_chunk_status chunk_status;
LTTNG_ASSERT(socket);
if (relayd_id != -1ULL) {
- LTTNG_OPTIONAL_SET(&msg.u.trace_chunk_exists.relayd_id,
- relayd_id);
+ LTTNG_OPTIONAL_SET(&msg.u.trace_chunk_exists.relayd_id, relayd_id);
}
chunk_status = lttng_trace_chunk_get_id(chunk, &chunk_id);
msg.u.trace_chunk_exists.chunk_id = chunk_id;
DBG("Sending consumer trace chunk exists command: relayd_id = %" PRId64
- ", session_id = %" PRIu64
- ", chunk_id = %" PRIu64, relayd_id, session_id, chunk_id);
+ ", session_id = %" PRIu64 ", chunk_id = %" PRIu64,
+ relayd_id,
+ session_id,
+ chunk_id);
health_code_update();
ret = consumer_send_msg(socket, &msg);
ret = -1;
goto error;
}
- DBG("Consumer reply to TRACE_CHUNK_EXISTS command: %s",
- consumer_reply_str);
+ DBG("Consumer reply to TRACE_CHUNK_EXISTS command: %s", consumer_reply_str);
ret = 0;
error:
health_code_update();