/*
- * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca>
+ * Copyright (C) 2011 David Goulet <david.goulet@polymtl.ca>
*
- * 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
#include <sys/types.h>
#include <unistd.h>
#include <inttypes.h>
-#include <assert.h>
#include <ctype.h>
#include <common/sessiond-comm/sessiond-comm.h>
#include <common/utils.h>
#include <common/mi-lttng.h>
+#include <lttng/domain-internal.h>
+
#include "../command.h"
#include "../utils.h"
}
} else {
/* Checked by the caller. */
- assert(0);
+ abort();
}
set_default_attr(&dom);
/* Mi open channels element */
if (lttng_opt_mi) {
- assert(writer);
+ LTTNG_ASSERT(writer);
ret = mi_lttng_channels_open(writer);
if (ret) {
ret = CMD_ERROR;
void *extended_ptr;
/* Validate channel name's length */
- if (strlen(channel_name) >= NAME_MAX) {
+ if (strlen(channel_name) >= sizeof(chan_opts.name)) {
ERR("Channel name is too long (max. %zu characters)",
sizeof(chan_opts.name) - 1);
error = 1;
}
} else {
MSG("%s channel %s enabled for session %s",
- get_domain_str(dom.type), channel_name, session_name);
+ lttng_domain_type_str(dom.type),
+ channel_name, session_name);
success = 1;
}
static poptContext pc;
char *session_name = NULL;
char *opt_arg = NULL;
+ const char *leftover = NULL;
init_channel_config();
}
order = get_count_order_u64(chan_opts.attr.subbuf_size);
- assert(order >= 0);
+ LTTNG_ASSERT(order >= 0);
rounded_size = 1ULL << order;
if (rounded_size < chan_opts.attr.subbuf_size) {
ERR("The subbuf size (%" PRIu64 ") is rounded and overflows!",
}
/* Should now be power of 2 */
- assert(!((chan_opts.attr.subbuf_size - 1) & chan_opts.attr.subbuf_size));
+ LTTNG_ASSERT(!((chan_opts.attr.subbuf_size - 1) & chan_opts.attr.subbuf_size));
DBG("Channel subbuf size set to %" PRIu64, chan_opts.attr.subbuf_size);
break;
}
order = get_count_order_u64(chan_opts.attr.num_subbuf);
- assert(order >= 0);
+ LTTNG_ASSERT(order >= 0);
rounded_size = 1ULL << order;
if (rounded_size < chan_opts.attr.num_subbuf) {
ERR("The number of subbuffers (%" PRIu64 ") is rounded and overflows!",
}
/* Should now be power of 2 */
- assert(!((chan_opts.attr.num_subbuf - 1) & chan_opts.attr.num_subbuf));
+ LTTNG_ASSERT(!((chan_opts.attr.num_subbuf - 1) & chan_opts.attr.num_subbuf));
DBG("Channel subbuf num set to %" PRIu64, chan_opts.attr.num_subbuf);
break;
}
case OPT_SWITCH_TIMER:
{
- unsigned long v;
+ uint64_t v;
errno = 0;
opt_arg = poptGetOptArg(pc);
- v = strtoul(opt_arg, NULL, 0);
- if (errno != 0 || !isdigit(opt_arg[0])) {
- ERR("Wrong value in --switch-timer parameter: %s", opt_arg);
+
+ if (utils_parse_time_suffix(opt_arg, &v) < 0) {
+ ERR("Wrong value for --switch-timer parameter: %s", opt_arg);
ret = CMD_ERROR;
goto end;
}
+
if (v != (uint32_t) v) {
ERR("32-bit overflow in --switch-timer parameter: %s", opt_arg);
ret = CMD_ERROR;
goto end;
}
chan_opts.attr.switch_timer_interval = (uint32_t) v;
- DBG("Channel switch timer interval set to %d", chan_opts.attr.switch_timer_interval);
+ DBG("Channel switch timer interval set to %d %s",
+ chan_opts.attr.switch_timer_interval,
+ USEC_UNIT);
break;
}
case OPT_READ_TIMER:
{
- unsigned long v;
+ uint64_t v;
errno = 0;
opt_arg = poptGetOptArg(pc);
- v = strtoul(opt_arg, NULL, 0);
- if (errno != 0 || !isdigit(opt_arg[0])) {
- ERR("Wrong value in --read-timer parameter: %s", opt_arg);
+
+ if (utils_parse_time_suffix(opt_arg, &v) < 0) {
+ ERR("Wrong value for --read-timer parameter: %s", opt_arg);
ret = CMD_ERROR;
goto end;
}
+
if (v != (uint32_t) v) {
ERR("32-bit overflow in --read-timer parameter: %s", opt_arg);
ret = CMD_ERROR;
goto end;
}
chan_opts.attr.read_timer_interval = (uint32_t) v;
- DBG("Channel read timer interval set to %d", chan_opts.attr.read_timer_interval);
+ DBG("Channel read timer interval set to %d %s",
+ chan_opts.attr.read_timer_interval,
+ USEC_UNIT);
break;
}
case OPT_MONITOR_TIMER:
{
- unsigned long long v;
+ uint64_t v;
errno = 0;
opt_arg = poptGetOptArg(pc);
- v = strtoull(opt_arg, NULL, 0);
- if (errno != 0 || !isdigit(opt_arg[0])) {
- ERR("Wrong value in --monitor-timer parameter: %s", opt_arg);
+
+ if (utils_parse_time_suffix(opt_arg, &v) < 0) {
+ ERR("Wrong value for --monitor-timer parameter: %s", opt_arg);
ret = CMD_ERROR;
goto end;
}
opt_monitor_timer.interval = (uint64_t) v;
opt_monitor_timer.set = true;
- DBG("Channel monitor timer interval set to %" PRIu64" (µs)", opt_monitor_timer.interval);
+ DBG("Channel monitor timer interval set to %" PRIu64 " %s",
+ opt_monitor_timer.interval,
+ USEC_UNIT);
break;
}
case OPT_BLOCKING_TIMEOUT:
{
- long long v; /* in usec */
+ uint64_t v;
long long v_msec;
errno = 0;
opt_arg = poptGetOptArg(pc);
- v = strtoll(opt_arg, NULL, 0);
- if (errno != 0 || (!isdigit(opt_arg[0]) && opt_arg[0] != '-')
- || v < -1) {
- ERR("Wrong value in --blocking-timeout parameter: %s", opt_arg);
+
+ if (strcmp(opt_arg, "inf") == 0) {
+ opt_blocking_timeout.value = (int64_t) -1;
+ opt_blocking_timeout.set = true;
+ DBG("Channel blocking timeout set to infinity");
+ break;
+ }
+
+ if (utils_parse_time_suffix(opt_arg, &v) < 0) {
+ ERR("Wrong value for --blocking-timeout parameter: %s", opt_arg);
ret = CMD_ERROR;
goto end;
}
- if (v >= 0) {
- /*
- * While LTTng-UST and LTTng-tools will accept
- * a blocking timeout expressed in µs, the
- * current tracer implementation relies on
- * poll() which takes an "int timeout" parameter
- * expressed in msec.
- *
- * Since the error reporting from the tracer
- * is not precise, we perform this check here
- * to provide a helpful error message in case of
- * overflow.
- *
- * The setter (liblttng-ctl) also performs an
- * equivalent check.
- */
- v_msec = v / 1000;
- if (v_msec != (int32_t) v_msec) {
- ERR("32-bit milliseconds overflow in --blocking-timeout parameter: %s", opt_arg);
- ret = CMD_ERROR;
- goto end;
- }
- } else if (v != -1) {
- ERR("Invalid negative value passed as --blocking-timeout parameter; -1 (block forever) is the only valid negative value");
+
+ /*
+ * While LTTng-UST and LTTng-tools will accept a
+ * blocking timeout expressed in µs, the current
+ * tracer implementation relies on poll() which
+ * takes an "int timeout" parameter expressed in
+ * msec.
+ *
+ * Since the error reporting from the tracer is
+ * not precise, we perform this check here to
+ * provide a helpful error message in case of
+ * overflow.
+ *
+ * The setter (liblttng-ctl) also performs an
+ * equivalent check.
+ */
+ v_msec = v / 1000;
+ if (v_msec != (int32_t) v_msec) {
+ ERR("32-bit milliseconds overflow in --blocking-timeout parameter: %s", opt_arg);
+ ret = CMD_ERROR;
+ goto end;
}
+
opt_blocking_timeout.value = (int64_t) v;
opt_blocking_timeout.set = true;
- DBG("Channel blocking timeout set to %" PRId64 " (µs)",
- opt_blocking_timeout.value);
+ DBG("Channel blocking timeout set to %" PRId64 " %s%s",
+ opt_blocking_timeout.value,
+ USEC_UNIT,
+ opt_blocking_timeout.value == 0 ?
+ " (non-blocking)" : "");
break;
}
case OPT_USERSPACE:
}
}
- ret = print_missing_or_multiple_domains(opt_kernel + opt_userspace);
+ ret = print_missing_or_multiple_domains(
+ opt_kernel + opt_userspace, false);
if (ret) {
ret = CMD_ERROR;
goto end;
}
+ if (chan_opts.attr.overwrite == 1 && opt_blocking_timeout.set &&
+ opt_blocking_timeout.value != 0) {
+ ERR("You cannot specify --overwrite and --blocking-timeout=N, "
+ "where N is different than 0");
+ ret = CMD_ERROR;
+ goto end;
+ }
+
/* Mi check */
if (lttng_opt_mi) {
writer = mi_lttng_writer_create(fileno(stdout), lttng_opt_mi);
goto mi_closing;
}
+ leftover = poptGetArg(pc);
+ if (leftover) {
+ ERR("Unknown argument: %s", leftover);
+ ret = CMD_ERROR;
+ success = 0;
+ goto mi_closing;
+ }
+
if (!opt_session_name) {
session_name = get_session_name();
if (session_name == NULL) {