#include "testpoint.h"
#include "utils.h"
#include "manage-consumer.h"
+#include "clear.h"
static bool is_root;
case LTTNG_ROTATION_GET_INFO:
case LTTNG_ROTATION_SET_SCHEDULE:
case LTTNG_SESSION_LIST_ROTATION_SCHEDULES:
+ case LTTNG_CLEAR_SESSION:
need_domain = 0;
break;
default:
case LTTNG_LIST_CHANNELS:
case LTTNG_LIST_EVENTS:
case LTTNG_LIST_SYSCALLS:
- case LTTNG_LIST_TRACKER_PIDS:
+ case LTTNG_LIST_TRACKER_IDS:
case LTTNG_DATA_PENDING:
case LTTNG_ROTATE_SESSION:
case LTTNG_ROTATION_GET_INFO:
kernel_poll_pipe[1]);
break;
}
- case LTTNG_TRACK_PID:
+ case LTTNG_TRACK_ID:
{
- ret = cmd_track_pid(cmd_ctx->session,
- cmd_ctx->lsm->domain.type,
- cmd_ctx->lsm->u.pid_tracker.pid);
+ struct lttng_tracker_id *id = NULL;
+ enum lttng_tracker_id_status status;
+
+ id = lttng_tracker_id_create();
+ if (!id) {
+ ret = LTTNG_ERR_NOMEM;
+ goto error;
+ }
+
+ switch (cmd_ctx->lsm->u.id_tracker.id_type) {
+ case LTTNG_ID_ALL:
+ status = lttng_tracker_id_set_all(id);
+ break;
+ case LTTNG_ID_VALUE:
+ status = lttng_tracker_id_set_value(
+ id, cmd_ctx->lsm->u.id_tracker.u.value);
+ break;
+ case LTTNG_ID_STRING:
+ {
+ const size_t var_len = cmd_ctx->lsm->u.id_tracker.u.var_len;
+ char *string = NULL;
+
+ string = zmalloc(var_len);
+ if (!string) {
+ lttng_tracker_id_destroy(id);
+ ret = LTTNG_ERR_NOMEM;
+ goto error;
+ }
+ DBG("Receiving var len tracker id string from client");
+ ret = lttcomm_recv_unix_sock(*sock, string, var_len);
+ if (ret <= 0) {
+ DBG("Nothing received");
+ *sock_error = 1;
+ free(string);
+ lttng_tracker_id_destroy(id);
+ ret = LTTNG_ERR_INVALID;
+ goto error;
+ }
+ if (strnlen(string, var_len) != var_len - 1) {
+ DBG("String received as tracker ID is not NULL-terminated");
+ free(string);
+ lttng_tracker_id_destroy(id);
+ ret = LTTNG_ERR_INVALID;
+ goto error;
+ }
+
+ status = lttng_tracker_id_set_string(id, string);
+ free(string);
+ break;
+ }
+ default:
+ lttng_tracker_id_destroy(id);
+ ret = LTTNG_ERR_INVALID;
+ goto error;
+ }
+
+ if (status != LTTNG_TRACKER_ID_STATUS_OK) {
+ ERR("Invalid value for tracker id");
+ ret = LTTNG_ERR_INVALID;
+ lttng_tracker_id_destroy(id);
+ goto error;
+ }
+
+ ret = cmd_track_id(cmd_ctx->session,
+ cmd_ctx->lsm->u.id_tracker.tracker_type,
+ cmd_ctx->lsm->domain.type, id);
+ lttng_tracker_id_destroy(id);
break;
}
- case LTTNG_UNTRACK_PID:
+ case LTTNG_UNTRACK_ID:
{
- ret = cmd_untrack_pid(cmd_ctx->session,
- cmd_ctx->lsm->domain.type,
- cmd_ctx->lsm->u.pid_tracker.pid);
+ struct lttng_tracker_id *id = NULL;
+ enum lttng_tracker_id_status status;
+
+ id = lttng_tracker_id_create();
+
+ switch (cmd_ctx->lsm->u.id_tracker.id_type) {
+ case LTTNG_ID_ALL:
+ status = lttng_tracker_id_set_all(id);
+ break;
+ case LTTNG_ID_VALUE:
+ status = lttng_tracker_id_set_value(
+ id, cmd_ctx->lsm->u.id_tracker.u.value);
+ break;
+ case LTTNG_ID_STRING:
+ {
+ const size_t var_len = cmd_ctx->lsm->u.id_tracker.u.var_len;
+ char *string = NULL;
+
+ string = zmalloc(var_len);
+ if (!string) {
+ ret = LTTNG_ERR_NOMEM;
+ lttng_tracker_id_destroy(id);
+ goto error;
+ }
+ DBG("Receiving var len tracker id string from client");
+ ret = lttcomm_recv_unix_sock(*sock, string, var_len);
+ if (ret <= 0) {
+ DBG("Nothing received");
+ *sock_error = 1;
+ lttng_tracker_id_destroy(id);
+ free(string);
+ ret = LTTNG_ERR_INVALID;
+ goto error;
+ }
+ if (strnlen(string, var_len) != var_len - 1) {
+ DBG("String received as tracker ID is not NULL-terminated");
+ lttng_tracker_id_destroy(id);
+ free(string);
+ ret = LTTNG_ERR_INVALID;
+ goto error;
+ }
+ status = lttng_tracker_id_set_string(id, string);
+ free(string);
+ break;
+ }
+ default:
+ lttng_tracker_id_destroy(id);
+ ret = LTTNG_ERR_INVALID;
+ goto error;
+ }
+
+ if (status != LTTNG_TRACKER_ID_STATUS_OK) {
+ ERR("Invalid tracker id");
+ lttng_tracker_id_destroy(id);
+ ret = LTTNG_ERR_INVALID;
+ goto error;
+ }
+
+ ret = cmd_untrack_id(cmd_ctx->session,
+ cmd_ctx->lsm->u.id_tracker.tracker_type,
+ cmd_ctx->lsm->domain.type, id);
+ lttng_tracker_id_destroy(id);
break;
}
case LTTNG_ENABLE_EVENT:
ret = LTTNG_OK;
break;
}
- case LTTNG_LIST_TRACKER_PIDS:
+ case LTTNG_LIST_TRACKER_IDS:
{
- int32_t *pids = NULL;
- ssize_t nr_pids;
-
- nr_pids = cmd_list_tracker_pids(cmd_ctx->session,
- cmd_ctx->lsm->domain.type, &pids);
- if (nr_pids < 0) {
+ struct lttcomm_tracker_command_header cmd_header;
+ struct lttng_tracker_id **ids = NULL;
+ ssize_t nr_ids, i;
+ struct lttng_dynamic_buffer buf;
+
+ nr_ids = cmd_list_tracker_ids(
+ cmd_ctx->lsm->u.id_tracker.tracker_type,
+ cmd_ctx->session, cmd_ctx->lsm->domain.type,
+ &ids);
+ if (nr_ids < 0) {
/* Return value is a negative lttng_error_code. */
- ret = -nr_pids;
+ ret = -nr_ids;
goto error;
}
- /*
- * Setup lttng message with payload size set to the event list size in
- * bytes and then copy list into the llm payload.
- */
- ret = setup_lttng_msg_no_cmd_header(cmd_ctx, pids,
- sizeof(int32_t) * nr_pids);
- free(pids);
+ lttng_dynamic_buffer_init(&buf);
+ for (i = 0; i < nr_ids; i++) {
+ struct lttng_tracker_id *id = ids[i];
+ struct lttcomm_tracker_id_header id_hdr;
+ size_t var_data_len = 0;
+ enum lttng_tracker_id_status status;
+ const char *string;
+ int value;
+
+ memset(&id_hdr, 0, sizeof(id_hdr));
+ id_hdr.type = lttng_tracker_id_get_type(id);
+ switch (id_hdr.type) {
+ case LTTNG_ID_ALL:
+ break;
+ case LTTNG_ID_VALUE:
+ status = lttng_tracker_id_get_value(id, &value);
+ id_hdr.u.value = value;
+ if (status != LTTNG_TRACKER_ID_STATUS_OK) {
+ ret = LTTNG_ERR_INVALID;
+ goto error_list_tracker;
+ }
+ break;
+ case LTTNG_ID_STRING:
+ status = lttng_tracker_id_get_string(
+ id, &string);
+ if (status != LTTNG_TRACKER_ID_STATUS_OK) {
+ ret = LTTNG_ERR_INVALID;
+ goto error_list_tracker;
+ }
+
+ id_hdr.u.var_data_len = var_data_len =
+ strlen(string) + 1;
+ break;
+ default:
+ ret = LTTNG_ERR_INVALID;
+ goto error_list_tracker;
+ }
+ ret = lttng_dynamic_buffer_append(
+ &buf, &id_hdr, sizeof(id_hdr));
+ if (ret) {
+ ret = LTTNG_ERR_NOMEM;
+ goto error_list_tracker;
+ }
+ ret = lttng_dynamic_buffer_append(
+ &buf, string, var_data_len);
+ if (ret) {
+ ret = LTTNG_ERR_NOMEM;
+ goto error_list_tracker;
+ }
+ }
+ cmd_header.nb_tracker_id = nr_ids;
+ ret = setup_lttng_msg(cmd_ctx, buf.data, buf.size, &cmd_header,
+ sizeof(cmd_header));
+ error_list_tracker:
+ lttng_tracker_ids_destroy(ids, nr_ids);
+ free(ids);
+ lttng_dynamic_buffer_reset(&buf);
if (ret < 0) {
goto setup_error;
}
ret = LTTNG_OK;
break;
}
+ case LTTNG_CLEAR_SESSION:
+ {
+ ret = cmd_clear_session(cmd_ctx->session, sock);
+ break;
+ }
default:
ret = LTTNG_ERR_UND;
break;