X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng%2Fcommands%2Fcreate.c;h=eac261ac7a4b6575405039553a1606970b74cc1d;hp=f60fe619e223e0db9c5686f0a62a5c73362bd02d;hb=d386b2341d96bbeeb1f89071614506c0ddbb9bcc;hpb=ae8564917fa3cb3497ec17951d8ac0ee28de9c81 diff --git a/src/bin/lttng/commands/create.c b/src/bin/lttng/commands/create.c index f60fe619e..eac261ac7 100644 --- a/src/bin/lttng/commands/create.c +++ b/src/bin/lttng/commands/create.c @@ -1,19 +1,18 @@ /* * 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 - * as published by the Free Software Foundation; only version 2 - * of the License. + * 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. * * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * 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 _GNU_SOURCE @@ -29,6 +28,8 @@ #include "../command.h" #include "../utils.h" +#include + static char *opt_output_path; static char *opt_session_name; @@ -67,7 +68,7 @@ static void usage(FILE *ofp) */ static int create_session() { - int ret; + int ret, have_name = 0; char datetime[16]; char *session_name, *traces_path = NULL, *alloc_path = NULL; time_t rawtime; @@ -80,41 +81,56 @@ static int create_session() /* Auto session name creation */ if (opt_session_name == NULL) { - ret = asprintf(&session_name, "auto"); + ret = asprintf(&session_name, "auto-%s", datetime); if (ret < 0) { perror("asprintf session name"); - ret = CMD_ERROR; goto error; } DBG("Auto session name set to %s", session_name); } else { session_name = opt_session_name; + have_name = 1; } /* Auto output path */ if (opt_output_path == NULL) { - alloc_path = strdup(config_get_default_path()); + alloc_path = config_get_default_path(); if (alloc_path == NULL) { - ERR("Home path not found.\n" - "Please specify an output path using -o, --output PATH\n"); + ERR("HOME path not found.\n \ + Please specify an output path using -o, --output PATH"); ret = CMD_FATAL; goto error; } + alloc_path = strdup(alloc_path); + + if (have_name) { + ret = asprintf(&traces_path, "%s/" DEFAULT_TRACE_DIR_NAME + "/%s-%s", alloc_path, session_name, datetime); + } else { + ret = asprintf(&traces_path, "%s/" DEFAULT_TRACE_DIR_NAME + "/%s", alloc_path, session_name); + } - ret = asprintf(&traces_path, "%s/" DEFAULT_TRACE_DIR_NAME "/%s-%s", - alloc_path, session_name, datetime); if (ret < 0) { perror("asprintf trace dir name"); - ret = CMD_ERROR; goto error; } } else { - traces_path = opt_output_path; + traces_path = expand_full_path(opt_output_path); + if (traces_path == NULL) { + ret = CMD_ERROR; + goto error; + } } ret = lttng_create_session(session_name, traces_path); if (ret < 0) { /* Don't set ret so lttng can interpret the sessiond error. */ + switch (-ret) { + case LTTCOMM_EXIST_SESS: + WARN("Session %s already exists", session_name); + break; + } goto error; }