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Fix: fail on truncation of snapshot path
[lttng-tools.git]
/
src
/
bin
/
lttng-sessiond
/
kernel-consumer.c
diff --git
a/src/bin/lttng-sessiond/kernel-consumer.c
b/src/bin/lttng-sessiond/kernel-consumer.c
index bc481e5c4cedbbfcac3818b85122a7aace36e8f7..160c19f598329ec03c6d82023ad55f09bc38db03 100644
(file)
--- a/
src/bin/lttng-sessiond/kernel-consumer.c
+++ b/
src/bin/lttng-sessiond/kernel-consumer.c
@@
-20,6
+20,7
@@
#include <stdlib.h>
#include <sys/stat.h>
#include <unistd.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <unistd.h>
+#include <inttypes.h>
#include <common/common.h>
#include <common/defaults.h>
#include <common/common.h>
#include <common/defaults.h>
@@
-44,8
+45,10
@@
static char *create_channel_path(struct consumer_output *consumer,
/* Get the right path name destination */
if (consumer->type == CONSUMER_DST_LOCAL) {
/* Set application path to the destination path */
/* Get the right path name destination */
if (consumer->type == CONSUMER_DST_LOCAL) {
/* Set application path to the destination path */
- ret = snprintf(tmp_path, sizeof(tmp_path), "%s%s",
- consumer->dst.trace_path, consumer->subdir);
+ ret = snprintf(tmp_path, sizeof(tmp_path), "%s%s%s",
+ consumer->dst.session_root_path,
+ consumer->chunk_path,
+ consumer->subdir);
if (ret < 0) {
PERROR("snprintf kernel channel path");
goto error;
if (ret < 0) {
PERROR("snprintf kernel channel path");
goto error;
@@
-66,7
+69,9
@@
static char *create_channel_path(struct consumer_output *consumer,
}
DBG3("Kernel local consumer tracefile path: %s", pathname);
} else {
}
DBG3("Kernel local consumer tracefile path: %s", pathname);
} else {
- ret = snprintf(tmp_path, sizeof(tmp_path), "%s", consumer->subdir);
+ ret = snprintf(tmp_path, sizeof(tmp_path), "%s%s",
+ consumer->dst.net.base_dir,
+ consumer->subdir);
if (ret < 0) {
PERROR("snprintf kernel metadata path");
goto error;
if (ret < 0) {
PERROR("snprintf kernel metadata path");
goto error;
@@
-129,7
+134,7
@@
int kernel_consumer_add_channel(struct consumer_socket *sock,
/* Prep channel message structure */
consumer_init_channel_comm_msg(&lkm,
LTTNG_CONSUMER_ADD_CHANNEL,
/* Prep channel message structure */
consumer_init_channel_comm_msg(&lkm,
LTTNG_CONSUMER_ADD_CHANNEL,
- channel->
fd
,
+ channel->
key
,
ksession->id,
pathname,
ksession->uid,
ksession->id,
pathname,
ksession->uid,
@@
-160,7
+165,7
@@
int kernel_consumer_add_channel(struct consumer_socket *sock,
status = notification_thread_command_add_channel(
notification_thread_handle, session->name,
ksession->uid, ksession->gid,
status = notification_thread_command_add_channel(
notification_thread_handle, session->name,
ksession->uid, ksession->gid,
- channel->channel->name, channel->
fd
,
+ channel->channel->name, channel->
key
,
LTTNG_DOMAIN_KERNEL,
channel->channel->attr.subbuf_size * channel->channel->attr.num_subbuf);
rcu_read_unlock();
LTTNG_DOMAIN_KERNEL,
channel->channel->attr.subbuf_size * channel->channel->attr.num_subbuf);
rcu_read_unlock();
@@
-213,7
+218,7
@@
int kernel_consumer_add_metadata(struct consumer_socket *sock,
/* Prep channel message structure */
consumer_init_channel_comm_msg(&lkm,
LTTNG_CONSUMER_ADD_CHANNEL,
/* Prep channel message structure */
consumer_init_channel_comm_msg(&lkm,
LTTNG_CONSUMER_ADD_CHANNEL,
- session->metadata->
fd
,
+ session->metadata->
key
,
session->id,
pathname,
session->uid,
session->id,
pathname,
session->uid,
@@
-238,7
+243,7
@@
int kernel_consumer_add_metadata(struct consumer_socket *sock,
/* Prep stream message structure */
consumer_init_stream_comm_msg(&lkm,
LTTNG_CONSUMER_ADD_STREAM,
/* Prep stream message structure */
consumer_init_stream_comm_msg(&lkm,
LTTNG_CONSUMER_ADD_STREAM,
- session->metadata->
fd
,
+ session->metadata->
key
,
session->metadata_stream_fd,
0); /* CPU: 0 for metadata. */
session->metadata_stream_fd,
0); /* CPU: 0 for metadata. */
@@
-284,7
+289,7
@@
int kernel_consumer_add_stream(struct consumer_socket *sock,
/* Prep stream consumer message */
consumer_init_stream_comm_msg(&lkm,
LTTNG_CONSUMER_ADD_STREAM,
/* Prep stream consumer message */
consumer_init_stream_comm_msg(&lkm,
LTTNG_CONSUMER_ADD_STREAM,
- channel->
fd
,
+ channel->
key
,
stream->fd,
stream->cpu);
stream->fd,
stream->cpu);
@@
-438,7
+443,7
@@
int kernel_consumer_send_session(struct consumer_socket *sock,
* Inform the relay that all the streams for the
* channel were sent.
*/
* Inform the relay that all the streams for the
* channel were sent.
*/
- ret = kernel_consumer_streams_sent(sock, session, chan->
fd
);
+ ret = kernel_consumer_streams_sent(sock, session, chan->
key
);
if (ret < 0) {
goto error;
}
if (ret < 0) {
goto error;
}
@@
-463,11
+468,11
@@
int kernel_consumer_destroy_channel(struct consumer_socket *socket,
assert(channel);
assert(socket);
assert(channel);
assert(socket);
- DBG("Sending kernel consumer destroy channel key %
d", channel->fd
);
+ DBG("Sending kernel consumer destroy channel key %
" PRIu64, channel->key
);
memset(&msg, 0, sizeof(msg));
msg.cmd_type = LTTNG_CONSUMER_DESTROY_CHANNEL;
memset(&msg, 0, sizeof(msg));
msg.cmd_type = LTTNG_CONSUMER_DESTROY_CHANNEL;
- msg.u.destroy_channel.key = channel->
fd
;
+ msg.u.destroy_channel.key = channel->
key
;
pthread_mutex_lock(socket->lock);
health_code_update();
pthread_mutex_lock(socket->lock);
health_code_update();
@@
-492,11
+497,11
@@
int kernel_consumer_destroy_metadata(struct consumer_socket *socket,
assert(metadata);
assert(socket);
assert(metadata);
assert(socket);
- DBG("Sending kernel consumer destroy channel key %
d", metadata->fd
);
+ DBG("Sending kernel consumer destroy channel key %
" PRIu64, metadata->key
);
memset(&msg, 0, sizeof(msg));
msg.cmd_type = LTTNG_CONSUMER_DESTROY_CHANNEL;
memset(&msg, 0, sizeof(msg));
msg.cmd_type = LTTNG_CONSUMER_DESTROY_CHANNEL;
- msg.u.destroy_channel.key = metadata->
fd
;
+ msg.u.destroy_channel.key = metadata->
key
;
pthread_mutex_lock(socket->lock);
health_code_update();
pthread_mutex_lock(socket->lock);
health_code_update();
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