X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fsession.c;h=03bec43fd9284009fbdb7e07e85519d8116f7746;hp=0da2058fdf28dbbef05f0d2490cfbf49a089a294;hb=640b9481e1805d314256361ed49d55dcc35d6172;hpb=ccbdaca404a66cf124ec7e4926b1507327f6d165 diff --git a/src/bin/lttng-sessiond/session.c b/src/bin/lttng-sessiond/session.c index 0da2058fd..03bec43fd 100644 --- a/src/bin/lttng-sessiond/session.c +++ b/src/bin/lttng-sessiond/session.c @@ -1,18 +1,8 @@ /* - * Copyright (C) 2011 - David Goulet + * Copyright (C) 2011 David Goulet * - * 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 published by the Free Software Foundation. + * SPDX-License-Identifier: GPL-2.0-only * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ #define _LGPL_SOURCE @@ -589,6 +579,7 @@ struct lttng_trace_chunk *session_create_new_trace_chunk( }; uint64_t next_chunk_id; const struct consumer_output *output; + const char *new_path; if (consumer_output_override) { output = consumer_output_override; @@ -612,8 +603,26 @@ struct lttng_trace_chunk *session_create_new_trace_chunk( next_chunk_id = session->most_recent_chunk_id.is_set ? session->most_recent_chunk_id.value + 1 : 0; + if (session->current_trace_chunk && + !lttng_trace_chunk_get_name_overridden(session->current_trace_chunk)) { + chunk_status = lttng_trace_chunk_rename_path(session->current_trace_chunk, + DEFAULT_CHUNK_TMP_OLD_DIRECTORY); + if (chunk_status != LTTNG_TRACE_CHUNK_STATUS_OK) { + goto error; + } + } + if (!session->current_trace_chunk) { + if (!session->rotated) { + new_path = ""; + } else { + new_path = NULL; + } + } else { + new_path = DEFAULT_CHUNK_TMP_NEW_DIRECTORY; + } + trace_chunk = lttng_trace_chunk_create(next_chunk_id, - chunk_creation_ts); + chunk_creation_ts, new_path); if (!trace_chunk) { goto error; } @@ -678,6 +687,7 @@ int session_close_trace_chunk(struct ltt_session *session, struct consumer_socket *socket; enum lttng_trace_chunk_status chunk_status; const time_t chunk_close_timestamp = time(NULL); + const char *new_path; chunk_status = lttng_trace_chunk_set_close_command( trace_chunk, close_command); @@ -692,6 +702,44 @@ int session_close_trace_chunk(struct ltt_session *session, ret = -1; goto end; } + + if (close_command == LTTNG_TRACE_CHUNK_COMMAND_TYPE_DELETE && !session->rotated) { + /* New chunk stays in session output directory. */ + new_path = ""; + } else { + /* Use chunk name for new chunk. */ + new_path = NULL; + } + if (session->current_trace_chunk && + !lttng_trace_chunk_get_name_overridden(session->current_trace_chunk)) { + /* Rename new chunk path. */ + chunk_status = lttng_trace_chunk_rename_path(session->current_trace_chunk, + new_path); + if (chunk_status != LTTNG_TRACE_CHUNK_STATUS_OK) { + ret = -1; + goto end; + } + } + if (!lttng_trace_chunk_get_name_overridden(trace_chunk) && + close_command == LTTNG_TRACE_CHUNK_COMMAND_TYPE_NO_OPERATION) { + const char *old_path; + + if (!session->rotated) { + old_path = ""; + } else { + old_path = NULL; + } + /* We need to move back the .tmp_old_chunk to its rightful place. */ + chunk_status = lttng_trace_chunk_rename_path(trace_chunk, + old_path); + if (chunk_status != LTTNG_TRACE_CHUNK_STATUS_OK) { + ret = -1; + goto end; + } + } + if (close_command == LTTNG_TRACE_CHUNK_COMMAND_TYPE_MOVE_TO_COMPLETED) { + session->rotated = true; + } chunk_status = lttng_trace_chunk_set_close_timestamp(trace_chunk, chunk_close_timestamp); if (chunk_status != LTTNG_TRACE_CHUNK_STATUS_OK) {