#include <common/common.h>
#include <common/defaults.h>
#include <common/compat/endian.h>
+#include <common/compat/string.h>
#include <common/sessiond-comm/relayd.h>
#include <common/index/ctf-index.h>
+#include <common/trace-chunk.h>
#include "relayd.h"
}
/*
- * Starting at 2.4, RELAYD_CREATE_SESSION takes additional parameters to
+ * Starting from 2.11, RELAYD_CREATE_SESSION payload (session_name & hostname)
+ * have no length restriction on the sender side.
+ * Length for both payloads is stored in the msg struct. A new dynamic size
+ * payload size is introduced.
+ */
+static int relayd_create_session_2_11(struct lttcomm_relayd_sock *rsock,
+ const char *session_name, const char *hostname,
+ int session_live_timer, unsigned int snapshot,
+ uint64_t sessiond_session_id, const lttng_uuid sessiond_uuid)
+{
+ int ret;
+ struct lttcomm_relayd_create_session_2_11 *msg = NULL;
+ size_t session_name_len;
+ size_t hostname_len;
+ size_t msg_length;
+
+ /* The two names are sent with a '\0' delimiter between them. */
+ session_name_len = strlen(session_name) + 1;
+ hostname_len = strlen(hostname) + 1;
+
+ msg_length = sizeof(*msg) + session_name_len + hostname_len;
+ msg = zmalloc(msg_length);
+ if (!msg) {
+ PERROR("zmalloc create_session_2_11 command message");
+ ret = -1;
+ goto error;
+ }
+
+ assert(session_name_len <= UINT32_MAX);
+ msg->session_name_len = htobe32(session_name_len);
+
+ assert(hostname_len <= UINT32_MAX);
+ msg->hostname_len = htobe32(hostname_len);
+
+ if (lttng_strncpy(msg->names, session_name, session_name_len)) {
+ ret = -1;
+ goto error;
+ }
+ if (lttng_strncpy(msg->names + session_name_len, hostname, hostname_len)) {
+ ret = -1;
+ goto error;
+ }
+
+ msg->live_timer = htobe32(session_live_timer);
+ msg->snapshot = !!snapshot;
+
+ lttng_uuid_copy(msg->sessiond_uuid, sessiond_uuid);
+ msg->session_id = htobe64(sessiond_session_id);
+
+ /* Send command */
+ ret = send_command(rsock, RELAYD_CREATE_SESSION, msg, msg_length, 0);
+ if (ret < 0) {
+ goto error;
+ }
+error:
+ free(msg);
+ return ret;
+}
+/*
+ * From 2.4 to 2.10, RELAYD_CREATE_SESSION takes additional parameters to
* support the live reading capability.
*/
static int relayd_create_session_2_4(struct lttcomm_relayd_sock *rsock,
- char *session_name, char *hostname, int session_live_timer,
- unsigned int snapshot)
+ const char *session_name, const char *hostname,
+ int session_live_timer, unsigned int snapshot)
{
int ret;
struct lttcomm_relayd_create_session_2_4 msg;
* 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_relayd_sock *rsock, uint64_t *session_id,
- char *session_name, char *hostname, int session_live_timer,
- unsigned int snapshot)
+int relayd_create_session(struct lttcomm_relayd_sock *rsock,
+ uint64_t *relayd_session_id,
+ const char *session_name, const char *hostname,
+ int session_live_timer,
+ unsigned int snapshot, uint64_t sessiond_session_id,
+ const lttng_uuid sessiond_uuid)
{
int ret;
struct lttcomm_relayd_status_session reply;
assert(rsock);
- assert(session_id);
+ assert(relayd_session_id);
DBG("Relayd create session");
- switch(rsock->minor) {
- case 1:
- case 2:
- case 3:
- ret = relayd_create_session_2_1(rsock);
- break;
- case 4:
- default:
- ret = relayd_create_session_2_4(rsock, session_name,
- hostname, session_live_timer, snapshot);
- break;
+ if (rsock->minor < 4) {
+ /* From 2.1 to 2.3 */
+ ret = relayd_create_session_2_1(rsock);
+ } else if (rsock->minor >= 4 && rsock->minor < 11) {
+ /* From 2.4 to 2.10 */
+ ret = relayd_create_session_2_4(rsock, session_name,
+ hostname, session_live_timer, snapshot);
+ } else {
+ /* From 2.11 to ... */
+ ret = relayd_create_session_2_11(rsock, session_name,
+ hostname, session_live_timer, snapshot,
+ sessiond_session_id, sessiond_uuid);
}
if (ret < 0) {
goto error;
} else {
ret = 0;
- *session_id = reply.session_id;
+ *relayd_session_id = reply.session_id;
}
DBG("Relayd session created with id %" PRIu64, reply.session_id);
return ret;
}
+static int relayd_add_stream_2_1(struct lttcomm_relayd_sock *rsock,
+ const char *channel_name, const char *pathname)
+{
+ int ret;
+ struct lttcomm_relayd_add_stream msg;
+
+ 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(rsock, RELAYD_ADD_STREAM, (void *) &msg, sizeof(msg), 0);
+ if (ret < 0) {
+ ret = -1;
+ goto error;
+ }
+ ret = 0;
+error:
+ return ret;
+}
+
+static int relayd_add_stream_2_2(struct lttcomm_relayd_sock *rsock,
+ const char *channel_name, const char *pathname,
+ uint64_t tracefile_size, uint64_t tracefile_count)
+{
+ int ret;
+ struct lttcomm_relayd_add_stream_2_2 msg;
+
+ memset(&msg, 0, sizeof(msg));
+ /* Compat with relayd 2.2 to 2.10 */
+ 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;
+ }
+ msg.tracefile_size = htobe64(tracefile_size);
+ msg.tracefile_count = htobe64(tracefile_count);
+
+ /* Send command */
+ ret = send_command(rsock, RELAYD_ADD_STREAM, (void *) &msg, sizeof(msg), 0);
+ if (ret < 0) {
+ goto error;
+ }
+ ret = 0;
+error:
+ return ret;
+}
+
+static int relayd_add_stream_2_11(struct lttcomm_relayd_sock *rsock,
+ const char *channel_name, const char *pathname,
+ uint64_t tracefile_size, uint64_t tracefile_count,
+ uint64_t trace_archive_id)
+{
+ int ret;
+ struct lttcomm_relayd_add_stream_2_11 *msg = NULL;
+ size_t channel_name_len;
+ size_t pathname_len;
+ size_t msg_length;
+
+ /* The two names are sent with a '\0' delimiter between them. */
+ channel_name_len = strlen(channel_name) + 1;
+ pathname_len = strlen(pathname) + 1;
+
+ msg_length = sizeof(*msg) + channel_name_len + pathname_len;
+ msg = zmalloc(msg_length);
+ if (!msg) {
+ PERROR("zmalloc add_stream_2_11 command message");
+ ret = -1;
+ goto error;
+ }
+
+ assert(channel_name_len <= UINT32_MAX);
+ msg->channel_name_len = htobe32(channel_name_len);
+
+ assert(pathname_len <= UINT32_MAX);
+ msg->pathname_len = htobe32(pathname_len);
+
+ if (lttng_strncpy(msg->names, channel_name, channel_name_len)) {
+ ret = -1;
+ goto error;
+ }
+ if (lttng_strncpy(msg->names + channel_name_len, pathname, pathname_len)) {
+ ret = -1;
+ goto error;
+ }
+
+ msg->tracefile_size = htobe64(tracefile_size);
+ msg->tracefile_count = htobe64(tracefile_count);
+ msg->trace_archive_id = htobe64(trace_archive_id);
+
+ /* Send command */
+ ret = send_command(rsock, RELAYD_ADD_STREAM, (void *) msg, msg_length, 0);
+ if (ret < 0) {
+ goto error;
+ }
+ ret = 0;
+error:
+ free(msg);
+ return ret;
+}
+
/*
* Add stream on the relayd and assign stream handle to the stream_id argument.
*
*/
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)
+ uint64_t tracefile_size, uint64_t tracefile_count,
+ struct lttng_trace_chunk *trace_chunk)
{
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. */
/* 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(rsock, RELAYD_ADD_STREAM, (void *) &msg, sizeof(msg), 0);
- if (ret < 0) {
- goto error;
- }
+ /* For 2.1 */
+ assert(!trace_chunk);
+ ret = relayd_add_stream_2_1(rsock, channel_name, pathname);
+
+ } else if (rsock->minor > 1 && rsock->minor < 11) {
+ /* From 2.2 to 2.10 */
+ assert(!trace_chunk);
+ ret = relayd_add_stream_2_2(rsock, channel_name, pathname,
+ tracefile_size, tracefile_count);
} 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);
+ enum lttng_trace_chunk_status chunk_status;
+ uint64_t chunk_id;
- /* Send command */
- ret = send_command(rsock, RELAYD_ADD_STREAM, (void *) &msg_2_2, sizeof(msg_2_2), 0);
- if (ret < 0) {
- goto error;
- }
+ assert(trace_chunk);
+ chunk_status = lttng_trace_chunk_get_id(trace_chunk,
+ &chunk_id);
+ assert(chunk_status == LTTNG_TRACE_CHUNK_STATUS_OK);
+
+ /* From 2.11 to ...*/
+ ret = relayd_add_stream_2_11(rsock, channel_name, pathname,
+ tracefile_size, tracefile_count,
+ chunk_id);
+ }
+
+ if (ret) {
+ ret = -1;
+ goto error;
}
/* Waiting for reply */
}
DBG("Relayd stream added successfully with handle %" PRIu64,
- reply.handle);
+ reply.handle);
error:
return ret;
}
int relayd_rotate_stream(struct lttcomm_relayd_sock *rsock, uint64_t stream_id,
- const char *new_pathname, uint64_t new_chunk_id,
- uint64_t seq_num)
+ uint64_t new_chunk_id, uint64_t seq_num)
{
int ret;
struct lttcomm_relayd_rotate_stream *msg = NULL;
struct lttcomm_relayd_generic_reply reply;
size_t len;
int msg_len;
+ /* FIXME */
+ char *new_pathname = NULL;
/* Code flow error. Safety net. */
assert(rsock);
DBG("Sending rotate stream id %" PRIu64 " command to relayd", stream_id);
/* Account for the trailing NULL. */
- len = strnlen(new_pathname, LTTNG_PATH_MAX) + 1;
+ len = lttng_strnlen(new_pathname, LTTNG_PATH_MAX) + 1;
if (len > LTTNG_PATH_MAX) {
ERR("Path used in relayd rotate stream command exceeds the maximal allowed length");
ret = -1;
projects / lttng-tools.git / blobdiff