mi-lttng.h mi-lttng.c \
daemonize.c daemonize.h \
unix.c unix.h \
- filter.c filter.h context.c context.h
+ filter.c filter.h context.c context.h \
+ action.c notify.c condition.c buffer-usage.c \
+ evaluation.c notification.c trigger.c endpoint.c
libcommon_la_LIBADD = \
$(top_builddir)/src/common/config/libconfig.la
--- /dev/null
+/*
+ * Copyright (C) 2017 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License, version 2.1 only,
+ * as published by the Free Software Foundation.
+ *
+ * This library 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 Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <lttng/action/action-internal.h>
+#include <lttng/action/notify-internal.h>
+#include <assert.h>
+
+enum lttng_action_type lttng_action_get_type(struct lttng_action *action)
+{
+ return action ? action->type : LTTNG_ACTION_TYPE_UNKNOWN;
+}
+
+void lttng_action_destroy(struct lttng_action *action)
+{
+ if (!action) {
+ return;
+ }
+
+ assert(action->destroy);
+ action->destroy(action);
+}
+
+LTTNG_HIDDEN
+bool lttng_action_validate(struct lttng_action *action)
+{
+ bool valid;
+
+ if (!action) {
+ valid = false;
+ goto end;
+ }
+
+ if (!action->validate) {
+ /* Sub-class guarantees that it can never be invalid. */
+ valid = true;
+ goto end;
+ }
+
+ valid = action->validate(action);
+end:
+ return valid;
+}
+
+LTTNG_HIDDEN
+ssize_t lttng_action_serialize(struct lttng_action *action, char *buf)
+{
+ ssize_t ret, action_size;
+ struct lttng_action_comm action_comm;
+
+ if (!action) {
+ ret = -1;
+ goto end;
+ }
+
+ action_comm.action_type = (int8_t) action->type;
+ ret = sizeof(struct lttng_action_comm);
+ if (buf) {
+ memcpy(buf, &action_comm, ret);
+ buf += ret;
+ }
+
+ action_size = action->serialize(action, buf);
+ if (action_size < 0) {
+ ret = action_size;
+ goto end;
+ }
+ ret += action_size;
+end:
+ return ret;
+}
+
+LTTNG_HIDDEN
+ssize_t lttng_action_create_from_buffer(const char *buf,
+ struct lttng_action **_action)
+{
+ ssize_t ret, action_size = sizeof(struct lttng_action_comm);
+ struct lttng_action *action;
+ struct lttng_action_comm *action_comm =
+ (struct lttng_action_comm *) buf;
+
+ if (!buf || !_action) {
+ ret = -1;
+ goto end;
+ }
+
+ switch (action_comm->action_type) {
+ case LTTNG_ACTION_TYPE_NOTIFY:
+ action = lttng_action_notify_create();
+ break;
+ default:
+ ret = -1;
+ goto end;
+ }
+
+ if (!action) {
+ ret = -1;
+ goto end;
+ }
+ ret = action_size;
+ *_action = action;
+end:
+ return ret;
+}
--- /dev/null
+/*
+ * Copyright (C) 2017 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License, version 2.1 only,
+ * as published by the Free Software Foundation.
+ *
+ * This library 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 Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <lttng/condition/condition-internal.h>
+#include <lttng/condition/buffer-usage-internal.h>
+#include <common/macros.h>
+#include <assert.h>
+
+static
+bool is_usage_condition(struct lttng_condition *condition)
+{
+ enum lttng_condition_type type = lttng_condition_get_type(condition);
+
+ return type == LTTNG_CONDITION_TYPE_BUFFER_USAGE_LOW ||
+ type == LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH;
+}
+
+static
+bool is_usage_evaluation(struct lttng_evaluation *evaluation)
+{
+ enum lttng_condition_type type = lttng_evaluation_get_type(evaluation);
+
+ return type == LTTNG_CONDITION_TYPE_BUFFER_USAGE_LOW ||
+ type == LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH;
+}
+
+static
+void lttng_condition_buffer_usage_destroy(struct lttng_condition *condition)
+{
+ struct lttng_condition_buffer_usage *usage;
+
+ usage = container_of(condition, struct lttng_condition_buffer_usage,
+ parent);
+
+ free(usage->session_name);
+ free(usage->channel_name);
+ free(usage);
+}
+
+static
+bool lttng_condition_buffer_usage_validate(struct lttng_condition *condition)
+{
+ bool valid = false;
+ struct lttng_condition_buffer_usage *usage;
+
+ if (!condition) {
+ goto end;
+ }
+
+ usage = container_of(condition, struct lttng_condition_buffer_usage,
+ parent);
+ if (!usage->session_name) {
+ goto end;
+ }
+ if (!usage->channel_name) {
+ goto end;
+ }
+ if (!usage->threshold_percent.set && !usage->threshold_bytes.set) {
+ goto end;
+ }
+
+ valid = true;
+end:
+ return valid;
+}
+
+static
+ssize_t lttng_condition_buffer_usage_serialize(struct lttng_condition *condition,
+ char *buf)
+{
+ struct lttng_condition_buffer_usage *usage;
+ ssize_t size;
+ size_t session_name_len, channel_name_len;
+
+ if (!condition || !is_usage_condition(condition)) {
+ size = -1;
+ goto end;
+ }
+
+ usage = container_of(condition, struct lttng_condition_buffer_usage,
+ parent);
+ size = sizeof(struct lttng_condition_buffer_usage_comm);
+ session_name_len = strlen(usage->session_name) + 1;
+ channel_name_len = strlen(usage->channel_name) + 1;
+ size += session_name_len + channel_name_len;
+ if (buf) {
+ struct lttng_condition_buffer_usage_comm usage_comm = {
+ .threshold_set_in_bytes = usage->threshold_bytes.set ? 1 : 0,
+ .session_name_len = session_name_len,
+ .channel_name_len = channel_name_len,
+ .domain_type = (int8_t) usage->domain.type,
+ };
+
+ if (usage->threshold_bytes.set) {
+ usage_comm.threshold.bytes =
+ usage->threshold_bytes.value;
+ } else {
+ usage_comm.threshold.percent =
+ usage->threshold_percent.value;
+ }
+
+ memcpy(buf, &usage_comm, sizeof(usage_comm));
+ buf += sizeof(usage_comm);
+ memcpy(buf, usage->session_name, session_name_len);
+ buf += session_name_len;
+ memcpy(buf, usage->channel_name, channel_name_len);
+ buf += channel_name_len;
+ }
+end:
+ return size;
+}
+
+static
+struct lttng_condition *lttng_condition_buffer_usage_create(
+ enum lttng_condition_type type)
+{
+ struct lttng_condition_buffer_usage *condition;
+
+ condition = zmalloc(sizeof(struct lttng_condition_buffer_usage));
+ if (!condition) {
+ goto end;
+ }
+
+ condition->parent.type = type;
+ condition->parent.validate = lttng_condition_buffer_usage_validate;
+ condition->parent.serialize = lttng_condition_buffer_usage_serialize;
+ condition->parent.destroy = lttng_condition_buffer_usage_destroy;
+end:
+ return &condition->parent;
+}
+
+struct lttng_condition *lttng_condition_buffer_usage_low_create(void)
+{
+ return lttng_condition_buffer_usage_create(
+ LTTNG_CONDITION_TYPE_BUFFER_USAGE_LOW);
+}
+
+struct lttng_condition *lttng_condition_buffer_usage_high_create(void)
+{
+ return lttng_condition_buffer_usage_create(
+ LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH);
+}
+
+static
+ssize_t init_from_buffer(struct lttng_condition *condition, const char *buf)
+{
+ ssize_t ret, condition_size;
+ enum lttng_condition_status status;
+ enum lttng_domain_type domain_type;
+ struct lttng_condition_buffer_usage_comm *condition_comm =
+ (struct lttng_condition_buffer_usage_comm *) buf;
+ const char *session_name, *channel_name;
+
+ if (condition_comm->threshold_set_in_bytes) {
+ status = lttng_condition_buffer_usage_set_threshold(condition,
+ condition_comm->threshold.bytes);
+ } else {
+ status = lttng_condition_buffer_usage_set_threshold_percentage(
+ condition, condition_comm->threshold.percent);
+ }
+ if (status != LTTNG_CONDITION_STATUS_OK) {
+ ret = -1;
+ goto end;
+ }
+
+ if (condition_comm->domain_type <= LTTNG_DOMAIN_NONE ||
+ condition_comm->domain_type > LTTNG_DOMAIN_PYTHON) {
+ /* Invalid domain value. */
+ ret = -1;
+ goto end;
+ }
+
+ domain_type = (enum lttng_domain_type) condition_comm->domain_type;
+ status = lttng_condition_buffer_usage_set_domain_type(condition,
+ domain_type);
+ if (status != LTTNG_CONDITION_STATUS_OK) {
+ ret = -1;
+ goto end;
+ }
+
+ session_name = buf + sizeof(struct lttng_condition_buffer_usage_comm);
+ channel_name = session_name + condition_comm->session_name_len;
+
+ status = lttng_condition_buffer_usage_set_session_name(condition,
+ session_name);
+ if (status != LTTNG_CONDITION_STATUS_OK) {
+ ret = -1;
+ goto end;
+ }
+
+ status = lttng_condition_buffer_usage_set_channel_name(condition,
+ channel_name);
+ if (status != LTTNG_CONDITION_STATUS_OK) {
+ ret = -1;
+ goto end;
+ }
+
+ if (!lttng_condition_validate(condition)) {
+ ret = -1;
+ goto end;
+ }
+
+ condition_size = sizeof(*condition_comm);
+ condition_size += (ssize_t) condition_comm->session_name_len;
+ condition_size += (ssize_t) condition_comm->channel_name_len;
+ ret = condition_size;
+end:
+ return ret;
+}
+
+LTTNG_HIDDEN
+ssize_t lttng_condition_buffer_usage_low_create_from_buffer(const char *buf,
+ struct lttng_condition **_condition)
+{
+ ssize_t ret;
+ struct lttng_condition *condition =
+ lttng_condition_buffer_usage_low_create();
+
+ if (!_condition || !condition) {
+ ret = -1;
+ goto error;
+ }
+
+ ret = init_from_buffer(condition, buf);
+ if (ret < 0) {
+ goto error;
+ }
+
+ *_condition = condition;
+ return ret;
+error:
+ lttng_condition_destroy(condition);
+ return ret;
+}
+
+LTTNG_HIDDEN
+ssize_t lttng_condition_buffer_usage_high_create_from_buffer(const char *buf,
+ struct lttng_condition **_condition)
+{
+ ssize_t ret;
+ struct lttng_condition *condition =
+ lttng_condition_buffer_usage_high_create();
+
+ if (!_condition || !condition) {
+ ret = -1;
+ goto error;
+ }
+
+ ret = init_from_buffer(condition, buf);
+ if (ret < 0) {
+ goto error;
+ }
+
+ *_condition = condition;
+ return ret;
+error:
+ lttng_condition_destroy(condition);
+ return ret;
+}
+
+enum lttng_condition_status
+lttng_condition_buffer_usage_get_threshold_percentage(
+ struct lttng_condition *condition, double *threshold_percent)
+{
+ struct lttng_condition_buffer_usage *usage;
+ enum lttng_condition_status status = LTTNG_CONDITION_STATUS_OK;
+
+ if (!condition || !is_usage_condition(condition) ||
+ !threshold_percent) {
+ status = LTTNG_CONDITION_STATUS_INVALID;
+ goto end;
+ }
+
+ usage = container_of(condition, struct lttng_condition_buffer_usage,
+ parent);
+ if (!usage->threshold_percent.set) {
+ status = LTTNG_CONDITION_STATUS_UNSET;
+ goto end;
+ }
+ *threshold_percent = usage->threshold_percent.value;
+end:
+ return status;
+}
+
+/* threshold_percent expressed as [0.0, 1.0]. */
+enum lttng_condition_status
+lttng_condition_buffer_usage_set_threshold_percentage(
+ struct lttng_condition *condition, double threshold_percent)
+{
+ struct lttng_condition_buffer_usage *usage;
+ enum lttng_condition_status status = LTTNG_CONDITION_STATUS_OK;
+
+ if (!condition || !is_usage_condition(condition) ||
+ threshold_percent < 0.0 || threshold_percent > 1.0) {
+ status = LTTNG_CONDITION_STATUS_INVALID;
+ goto end;
+ }
+
+ usage = container_of(condition, struct lttng_condition_buffer_usage,
+ parent);
+ usage->threshold_percent.set = true;
+ usage->threshold_bytes.set = false;
+ usage->threshold_percent.value = threshold_percent;
+end:
+ return status;
+}
+
+enum lttng_condition_status
+lttng_condition_buffer_usage_get_threshold(
+ struct lttng_condition *condition, uint64_t *threshold_bytes)
+{
+ struct lttng_condition_buffer_usage *usage;
+ enum lttng_condition_status status = LTTNG_CONDITION_STATUS_OK;
+
+ if (!condition || !is_usage_condition(condition) || !threshold_bytes) {
+ status = LTTNG_CONDITION_STATUS_INVALID;
+ goto end;
+ }
+
+ usage = container_of(condition, struct lttng_condition_buffer_usage,
+ parent);
+ if (!usage->threshold_bytes.set) {
+ status = LTTNG_CONDITION_STATUS_UNSET;
+ goto end;
+ }
+ *threshold_bytes = usage->threshold_bytes.value;
+end:
+ return status;
+}
+
+enum lttng_condition_status
+lttng_condition_buffer_usage_set_threshold(
+ struct lttng_condition *condition, uint64_t threshold_bytes)
+{
+ struct lttng_condition_buffer_usage *usage;
+ enum lttng_condition_status status = LTTNG_CONDITION_STATUS_OK;
+
+ if (!condition || !is_usage_condition(condition)) {
+ status = LTTNG_CONDITION_STATUS_INVALID;
+ goto end;
+ }
+
+ usage = container_of(condition, struct lttng_condition_buffer_usage,
+ parent);
+ usage->threshold_percent.set = false;
+ usage->threshold_bytes.set = true;
+ usage->threshold_bytes.value = threshold_bytes;
+end:
+ return status;
+}
+
+enum lttng_condition_status
+lttng_condition_buffer_usage_get_session_name(
+ struct lttng_condition *condition, const char **session_name)
+{
+ struct lttng_condition_buffer_usage *usage;
+ enum lttng_condition_status status = LTTNG_CONDITION_STATUS_OK;
+
+ if (!condition || !is_usage_condition(condition) || !session_name) {
+ status = LTTNG_CONDITION_STATUS_INVALID;
+ goto end;
+ }
+
+ usage = container_of(condition, struct lttng_condition_buffer_usage,
+ parent);
+ if (!usage->session_name) {
+ status = LTTNG_CONDITION_STATUS_UNSET;
+ goto end;
+ }
+ *session_name = usage->session_name;
+end:
+ return status;
+}
+
+extern enum lttng_condition_status
+lttng_condition_buffer_usage_set_session_name(
+ struct lttng_condition *condition, const char *session_name)
+{
+ struct lttng_condition_buffer_usage *usage;
+ enum lttng_condition_status status = LTTNG_CONDITION_STATUS_OK;
+
+ if (!condition || !is_usage_condition(condition) || !session_name ||
+ strlen(session_name) == 0) {
+ status = LTTNG_CONDITION_STATUS_INVALID;
+ goto end;
+ }
+
+ usage = container_of(condition, struct lttng_condition_buffer_usage,
+ parent);
+ usage->session_name = strdup(session_name);
+ if (!usage->session_name) {
+ status = LTTNG_CONDITION_STATUS_ERROR;
+ goto end;
+ }
+end:
+ return status;
+}
+
+enum lttng_condition_status
+lttng_condition_buffer_usage_get_channel_name(
+ struct lttng_condition *condition, const char **channel_name)
+{
+ struct lttng_condition_buffer_usage *usage;
+ enum lttng_condition_status status = LTTNG_CONDITION_STATUS_OK;
+
+ if (!condition || !is_usage_condition(condition) || !channel_name) {
+ status = LTTNG_CONDITION_STATUS_INVALID;
+ goto end;
+ }
+
+ usage = container_of(condition, struct lttng_condition_buffer_usage,
+ parent);
+ if (!usage->channel_name) {
+ status = LTTNG_CONDITION_STATUS_UNSET;
+ goto end;
+ }
+ *channel_name = usage->channel_name;
+end:
+ return status;
+}
+
+extern enum lttng_condition_status
+lttng_condition_buffer_usage_set_channel_name(
+ struct lttng_condition *condition, const char *channel_name)
+{
+ struct lttng_condition_buffer_usage *usage;
+ enum lttng_condition_status status = LTTNG_CONDITION_STATUS_OK;
+
+ if (!condition || !is_usage_condition(condition) || !channel_name ||
+ strlen(channel_name) == 0) {
+ status = LTTNG_CONDITION_STATUS_INVALID;
+ goto end;
+ }
+
+ usage = container_of(condition, struct lttng_condition_buffer_usage,
+ parent);
+ usage->channel_name = strdup(channel_name);
+ if (!usage->channel_name) {
+ status = LTTNG_CONDITION_STATUS_ERROR;
+ goto end;
+ }
+end:
+ return status;
+}
+
+extern enum lttng_condition_status
+lttng_condition_buffer_usage_get_domain_type(
+ struct lttng_condition *condition, enum lttng_domain_type *type)
+{
+ struct lttng_condition_buffer_usage *usage;
+ enum lttng_condition_status status = LTTNG_CONDITION_STATUS_OK;
+
+ if (!condition || !is_usage_condition(condition) || !type) {
+ status = LTTNG_CONDITION_STATUS_INVALID;
+ goto end;
+ }
+
+ usage = container_of(condition, struct lttng_condition_buffer_usage,
+ parent);
+ if (!usage->domain.set) {
+ status = LTTNG_CONDITION_STATUS_UNSET;
+ goto end;
+ }
+ *type = usage->domain.type;
+end:
+ return status;
+}
+
+extern enum lttng_condition_status
+lttng_condition_buffer_usage_set_domain_type(
+ struct lttng_condition *condition, enum lttng_domain_type type)
+{
+ struct lttng_condition_buffer_usage *usage;
+ enum lttng_condition_status status = LTTNG_CONDITION_STATUS_OK;
+
+ if (!condition || !is_usage_condition(condition) ||
+ type == LTTNG_DOMAIN_NONE) {
+ status = LTTNG_CONDITION_STATUS_INVALID;
+ goto end;
+ }
+
+ usage = container_of(condition, struct lttng_condition_buffer_usage,
+ parent);
+ usage->domain.set = true;
+ usage->domain.type = type;
+end:
+ return status;
+}
+
+static
+void lttng_evaluation_buffer_usage_destroy(
+ struct lttng_evaluation *evaluation)
+{
+ struct lttng_evaluation_buffer_usage *usage;
+
+ usage = container_of(evaluation, struct lttng_evaluation_buffer_usage,
+ parent);
+ free(usage);
+}
+
+LTTNG_HIDDEN
+struct lttng_evaluation *lttng_evaluation_buffer_usage_create(uint64_t use,
+ uint64_t capacity)
+{
+ struct lttng_evaluation_buffer_usage *usage;
+
+ usage = zmalloc(sizeof(struct lttng_evaluation_buffer_usage));
+ if (!usage) {
+ goto end;
+ }
+
+ usage->buffer_use = use;
+ usage->buffer_capacity = capacity;
+ usage->parent.destroy = lttng_evaluation_buffer_usage_destroy;
+end:
+ return &usage->parent;
+}
+
+/*
+ * Get the sampled buffer usage which caused the associated condition to
+ * evaluate to "true".
+ */
+enum lttng_evaluation_status
+lttng_evaluation_buffer_usage_get_usage_percentage(
+ struct lttng_evaluation *evaluation, double *usage_percent)
+{
+ struct lttng_evaluation_buffer_usage *usage;
+ enum lttng_evaluation_status status = LTTNG_EVALUATION_STATUS_OK;
+
+ if (!evaluation || !is_usage_evaluation(evaluation) || !usage_percent) {
+ status = LTTNG_EVALUATION_STATUS_INVALID;
+ goto end;
+ }
+
+ usage = container_of(evaluation, struct lttng_evaluation_buffer_usage,
+ parent);
+ *usage_percent = (double) usage->buffer_use /
+ (double) usage->buffer_capacity;
+end:
+ return status;
+}
+
+enum lttng_evaluation_status
+lttng_evaluation_buffer_usage_get_usage(struct lttng_evaluation *evaluation,
+ uint64_t *usage_bytes)
+{
+ struct lttng_evaluation_buffer_usage *usage;
+ enum lttng_evaluation_status status = LTTNG_EVALUATION_STATUS_OK;
+
+ if (!evaluation || !is_usage_evaluation(evaluation) || !usage_bytes) {
+ status = LTTNG_EVALUATION_STATUS_INVALID;
+ goto end;
+ }
+
+ usage = container_of(evaluation, struct lttng_evaluation_buffer_usage,
+ parent);
+ *usage_bytes = usage->buffer_use;
+end:
+ return status;
+}
--- /dev/null
+/*
+ * Copyright (C) 2017 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License, version 2.1 only,
+ * as published by the Free Software Foundation.
+ *
+ * This library 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 Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <lttng/condition/condition-internal.h>
+#include <lttng/condition/buffer-usage-internal.h>
+#include <common/macros.h>
+#include <stdbool.h>
+#include <assert.h>
+
+enum lttng_condition_type lttng_condition_get_type(
+ struct lttng_condition *condition)
+{
+ return condition ? condition->type : LTTNG_CONDITION_TYPE_UNKNOWN;
+}
+
+void lttng_condition_destroy(struct lttng_condition *condition)
+{
+ if (!condition) {
+ return;
+ }
+
+ assert(condition->destroy);
+ condition->destroy(condition);
+}
+
+LTTNG_HIDDEN
+bool lttng_condition_validate(struct lttng_condition *condition)
+{
+ bool valid;
+
+ if (!condition) {
+ valid = false;
+ goto end;
+ }
+
+ if (!condition->validate) {
+ /* Sub-class guarantees that it can never be invalid. */
+ valid = true;
+ goto end;
+ }
+
+ valid = condition->validate(condition);
+end:
+ return valid;
+}
+
+LTTNG_HIDDEN
+ssize_t lttng_condition_serialize(struct lttng_condition *condition, char *buf)
+{
+ ssize_t ret, condition_size;
+ struct lttng_condition_comm condition_comm;
+
+ if (!condition) {
+ ret = -1;
+ goto end;
+ }
+
+ condition_comm.condition_type = (int8_t) condition->type;
+ ret = sizeof(struct lttng_condition_comm);
+ if (buf) {
+ memcpy(buf, &condition_comm, ret);
+ buf += ret;
+ }
+
+ condition_size = condition->serialize(condition, buf);
+ if (condition_size < 0) {
+ ret = condition_size;
+ goto end;
+ }
+ ret += condition_size;
+end:
+ return ret;
+}
+
+LTTNG_HIDDEN
+ssize_t lttng_condition_create_from_buffer(const char *buf,
+ struct lttng_condition **condition)
+{
+ ssize_t ret, condition_size = 0;
+ struct lttng_condition_comm *condition_comm =
+ (struct lttng_condition_comm *) buf;
+
+ if (!buf || !condition) {
+ ret = -1;
+ goto end;
+ }
+
+ condition_size += sizeof(*condition_comm);
+ buf += condition_size;
+
+ switch (condition_comm->condition_type) {
+ case LTTNG_CONDITION_TYPE_BUFFER_USAGE_LOW:
+ ret = lttng_condition_buffer_usage_low_create_from_buffer(buf,
+ condition);
+ if (ret < 0) {
+ goto end;
+ }
+ condition_size += ret;
+ break;
+ case LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH:
+ ret = lttng_condition_buffer_usage_high_create_from_buffer(buf,
+ condition);
+ if (ret < 0) {
+ goto end;
+ }
+ condition_size += ret;
+ break;
+ default:
+ ret = -1;
+ goto end;
+ }
+ ret = condition_size;
+end:
+ return ret;
+}
--- /dev/null
+/*
+ * Copyright (C) 2017 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License, version 2.1 only,
+ * as published by the Free Software Foundation.
+ *
+ * This library 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 Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <lttng/endpoint-internal.h>
+
+static
+struct lttng_endpoint lttng_session_daemon_notification_endpoint_instance = {
+ .type = LTTNG_ENDPOINT_TYPE_DEFAULT_SESSIOND_NOTIFICATION
+};
+
+struct lttng_endpoint *lttng_session_daemon_notification_endpoint =
+ <tng_session_daemon_notification_endpoint_instance;
--- /dev/null
+/*
+ * Copyright (C) 2017 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License, version 2.1 only,
+ * as published by the Free Software Foundation.
+ *
+ * This library 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 Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <lttng/condition/evaluation-internal.h>
+#include <common/macros.h>
+#include <stdbool.h>
+#include <assert.h>
+
+enum lttng_condition_type lttng_evaluation_get_type(
+ struct lttng_evaluation *evaluation)
+{
+ return evaluation ? evaluation->type : LTTNG_CONDITION_TYPE_UNKNOWN;
+}
+
+void lttng_evaluation_destroy(struct lttng_evaluation *evaluation)
+{
+ if (!evaluation) {
+ return;
+ }
+
+ assert(evaluation->destroy);
+ evaluation->destroy(evaluation);
+}
--- /dev/null
+/*
+ * Copyright (C) 2017 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License, version 2.1 only,
+ * as published by the Free Software Foundation.
+ *
+ * This library 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 Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <lttng/notification/notification-internal.h>
+#include <lttng/condition/condition.h>
+#include <lttng/condition/evaluation.h>
+#include <assert.h>
+
+LTTNG_HIDDEN
+struct lttng_notification *lttng_notification_create(
+ struct lttng_condition *condition,
+ struct lttng_evaluation *evaluation)
+{
+ struct lttng_notification *notification = NULL;
+
+ if (!condition || !evaluation) {
+ goto end;
+ }
+
+ notification = zmalloc(sizeof(struct lttng_notification));
+ if (!notification) {
+ goto end;
+ }
+
+ notification->condition = condition;
+ notification->evaluation = evaluation;
+end:
+ return notification;
+}
+
+void lttng_notification_destroy(struct lttng_notification *notification)
+{
+ if (!notification) {
+ return;
+ }
+
+ lttng_condition_destroy(notification->condition);
+ lttng_evaluation_destroy(notification->evaluation);
+ free(notification);
+}
+
+struct lttng_condition *lttng_notification_get_condition(
+ struct lttng_notification *notification)
+{
+ return notification ? notification->condition : NULL;
+}
+
+struct lttng_evaluation *lttng_notification_get_evaluation(
+ struct lttng_notification *notification)
+{
+ return notification ? notification->evaluation : NULL;
+}
--- /dev/null
+/*
+ * Copyright (C) 2017 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License, version 2.1 only,
+ * as published by the Free Software Foundation.
+ *
+ * This library 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 Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <lttng/action/action-internal.h>
+#include <lttng/action/notify-internal.h>
+#include <common/macros.h>
+#include <assert.h>
+
+static
+void lttng_action_notify_destroy(struct lttng_action *action)
+{
+ free(action);
+}
+
+static
+ssize_t lttng_action_notify_serialize(struct lttng_action *action, char *buf)
+{
+ return 0;
+}
+
+struct lttng_action *lttng_action_notify_create(void)
+{
+ struct lttng_action_notify *notify;
+
+ notify = zmalloc(sizeof(struct lttng_action_notify));
+ if (!notify) {
+ goto end;
+ }
+
+ notify->parent.type = LTTNG_ACTION_TYPE_NOTIFY;
+ notify->parent.serialize = lttng_action_notify_serialize;
+ notify->parent.destroy = lttng_action_notify_destroy;
+end:
+ return ¬ify->parent;
+}
--- /dev/null
+/*
+ * Copyright (C) 2017 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License, version 2.1 only,
+ * as published by the Free Software Foundation.
+ *
+ * This library 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 Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <lttng/trigger/trigger-internal.h>
+#include <lttng/condition/condition-internal.h>
+#include <lttng/action/action-internal.h>
+#include <assert.h>
+
+LTTNG_HIDDEN
+bool lttng_trigger_validate(struct lttng_trigger *trigger)
+{
+ bool valid;
+
+ if (!trigger) {
+ valid = false;
+ goto end;
+ }
+
+ valid = lttng_condition_validate(trigger->condition) &&
+ lttng_action_validate(trigger->action);
+end:
+ return valid;
+}
+
+struct lttng_trigger *lttng_trigger_create(
+ struct lttng_condition *condition,
+ struct lttng_action *action)
+{
+ struct lttng_trigger *trigger = NULL;
+
+ if (!condition || !action) {
+ goto end;
+ }
+
+ trigger = zmalloc(sizeof(struct lttng_trigger));
+ if (!trigger) {
+ goto end;
+ }
+
+ trigger->condition = condition;
+ trigger->action = action;
+end:
+ return trigger;
+}
+
+void lttng_trigger_destroy(struct lttng_trigger *trigger)
+{
+ if (!trigger) {
+ return;
+ }
+
+ lttng_condition_destroy(trigger->condition);
+ lttng_action_destroy(trigger->action);
+ free(trigger);
+}
+
+LTTNG_HIDDEN
+ssize_t lttng_trigger_create_from_buffer(const char *buf,
+ struct lttng_trigger **trigger)
+{
+ ssize_t ret, trigger_size;
+ struct lttng_condition *condition = NULL;
+ struct lttng_action *action = NULL;
+
+ if (!buf || !trigger) {
+ ret = -1;
+ goto end;
+ }
+
+ ret = lttng_condition_create_from_buffer(buf, &condition);
+ if (ret < 0) {
+ goto end;
+ }
+
+ trigger_size = ret;
+ buf += ret;
+ ret = lttng_action_create_from_buffer(buf, &action);
+ if (ret < 0) {
+ goto end;
+ }
+
+ trigger_size += ret;
+ *trigger = lttng_trigger_create(condition, action);
+ if (!*trigger) {
+ goto error;
+ }
+ ret = trigger_size;
+end:
+ return ret;
+error:
+ lttng_condition_destroy(condition);
+ lttng_action_destroy(action);
+ return ret;
+}
+
+/*
+ * Returns the size of a trigger's condition and action.
+ * Both elements are stored contiguously, see their "*_comm" structure
+ * for the detailed format.
+ */
+LTTNG_HIDDEN
+ssize_t lttng_trigger_serialize(struct lttng_trigger *trigger, char *buf)
+{
+ ssize_t action_size, condition_size, ret;
+
+ if (!trigger) {
+ ret = -1;
+ goto end;
+ }
+
+ condition_size = lttng_condition_serialize(trigger->condition, NULL);
+ if (condition_size < 0) {
+ ret = -1;
+ goto end;
+ }
+
+ action_size = lttng_action_serialize(trigger->action, NULL);
+ if (action_size < 0) {
+ ret = -1;
+ goto end;
+ }
+
+ ret = action_size + condition_size;
+ if (!buf) {
+ goto end;
+ }
+
+ condition_size = lttng_condition_serialize(trigger->condition, buf);
+ if (condition_size < 0) {
+ ret = -1;
+ goto end;
+ }
+
+ buf += condition_size;
+ action_size = lttng_action_serialize(trigger->action, buf);
+ if (action_size < 0) {
+ ret = -1;
+ goto end;
+ }
+end:
+ return ret;
+}
lib_LTLIBRARIES = liblttng-ctl.la
liblttng_ctl_la_SOURCES = lttng-ctl.c snapshot.c lttng-ctl-helper.h \
- lttng-ctl-health.c save.c load.c deprecated-symbols.c \
- action.c notify.c condition.c buffer-usage.c evaluation.c \
- notification.c trigger.c endpoint.c
+ lttng-ctl-health.c save.c load.c deprecated-symbols.c
liblttng_ctl_la_LDFLAGS = \
$(LT_NO_UNDEFINED)
+++ /dev/null
-/*
- * Copyright (C) 2017 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
- *
- * This library is free software; you can redistribute it and/or modify it
- * under the terms of the GNU Lesser General Public License, version 2.1 only,
- * as published by the Free Software Foundation.
- *
- * This library 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 Lesser General Public License
- * for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this library; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include <lttng/action/action-internal.h>
-#include <lttng/action/notify-internal.h>
-#include <assert.h>
-
-enum lttng_action_type lttng_action_get_type(struct lttng_action *action)
-{
- return action ? action->type : LTTNG_ACTION_TYPE_UNKNOWN;
-}
-
-void lttng_action_destroy(struct lttng_action *action)
-{
- if (!action) {
- return;
- }
-
- assert(action->destroy);
- action->destroy(action);
-}
-
-LTTNG_HIDDEN
-bool lttng_action_validate(struct lttng_action *action)
-{
- bool valid;
-
- if (!action) {
- valid = false;
- goto end;
- }
-
- if (!action->validate) {
- /* Sub-class guarantees that it can never be invalid. */
- valid = true;
- goto end;
- }
-
- valid = action->validate(action);
-end:
- return valid;
-}
-
-LTTNG_HIDDEN
-ssize_t lttng_action_serialize(struct lttng_action *action, char *buf)
-{
- ssize_t ret, action_size;
- struct lttng_action_comm action_comm;
-
- if (!action) {
- ret = -1;
- goto end;
- }
-
- action_comm.action_type = (int8_t) action->type;
- ret = sizeof(struct lttng_action_comm);
- if (buf) {
- memcpy(buf, &action_comm, ret);
- buf += ret;
- }
-
- action_size = action->serialize(action, buf);
- if (action_size < 0) {
- ret = action_size;
- goto end;
- }
- ret += action_size;
-end:
- return ret;
-}
-
-LTTNG_HIDDEN
-ssize_t lttng_action_create_from_buffer(const char *buf,
- struct lttng_action **_action)
-{
- ssize_t ret, action_size = sizeof(struct lttng_action_comm);
- struct lttng_action *action;
- struct lttng_action_comm *action_comm =
- (struct lttng_action_comm *) buf;
-
- if (!buf || !_action) {
- ret = -1;
- goto end;
- }
-
- switch (action_comm->action_type) {
- case LTTNG_ACTION_TYPE_NOTIFY:
- action = lttng_action_notify_create();
- break;
- default:
- ret = -1;
- goto end;
- }
-
- if (!action) {
- ret = -1;
- goto end;
- }
- ret = action_size;
- *_action = action;
-end:
- return ret;
-}
+++ /dev/null
-/*
- * Copyright (C) 2017 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
- *
- * This library is free software; you can redistribute it and/or modify it
- * under the terms of the GNU Lesser General Public License, version 2.1 only,
- * as published by the Free Software Foundation.
- *
- * This library 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 Lesser General Public License
- * for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this library; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include <lttng/condition/condition-internal.h>
-#include <lttng/condition/buffer-usage-internal.h>
-#include <common/macros.h>
-#include <assert.h>
-
-static
-bool is_usage_condition(struct lttng_condition *condition)
-{
- enum lttng_condition_type type = lttng_condition_get_type(condition);
-
- return type == LTTNG_CONDITION_TYPE_BUFFER_USAGE_LOW ||
- type == LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH;
-}
-
-static
-bool is_usage_evaluation(struct lttng_evaluation *evaluation)
-{
- enum lttng_condition_type type = lttng_evaluation_get_type(evaluation);
-
- return type == LTTNG_CONDITION_TYPE_BUFFER_USAGE_LOW ||
- type == LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH;
-}
-
-static
-void lttng_condition_buffer_usage_destroy(struct lttng_condition *condition)
-{
- struct lttng_condition_buffer_usage *usage;
-
- usage = container_of(condition, struct lttng_condition_buffer_usage,
- parent);
-
- free(usage->session_name);
- free(usage->channel_name);
- free(usage);
-}
-
-static
-bool lttng_condition_buffer_usage_validate(struct lttng_condition *condition)
-{
- bool valid = false;
- struct lttng_condition_buffer_usage *usage;
-
- if (!condition) {
- goto end;
- }
-
- usage = container_of(condition, struct lttng_condition_buffer_usage,
- parent);
- if (!usage->session_name) {
- goto end;
- }
- if (!usage->channel_name) {
- goto end;
- }
- if (!usage->threshold_percent.set && !usage->threshold_bytes.set) {
- goto end;
- }
-
- valid = true;
-end:
- return valid;
-}
-
-static
-ssize_t lttng_condition_buffer_usage_serialize(struct lttng_condition *condition,
- char *buf)
-{
- struct lttng_condition_buffer_usage *usage;
- ssize_t size;
- size_t session_name_len, channel_name_len;
-
- if (!condition || !is_usage_condition(condition)) {
- size = -1;
- goto end;
- }
-
- usage = container_of(condition, struct lttng_condition_buffer_usage,
- parent);
- size = sizeof(struct lttng_condition_buffer_usage_comm);
- session_name_len = strlen(usage->session_name) + 1;
- channel_name_len = strlen(usage->channel_name) + 1;
- size += session_name_len + channel_name_len;
- if (buf) {
- struct lttng_condition_buffer_usage_comm usage_comm = {
- .threshold_set_in_bytes = usage->threshold_bytes.set ? 1 : 0,
- .session_name_len = session_name_len,
- .channel_name_len = channel_name_len,
- .domain_type = (int8_t) usage->domain.type,
- };
-
- if (usage->threshold_bytes.set) {
- usage_comm.threshold.bytes =
- usage->threshold_bytes.value;
- } else {
- usage_comm.threshold.percent =
- usage->threshold_percent.value;
- }
-
- memcpy(buf, &usage_comm, sizeof(usage_comm));
- buf += sizeof(usage_comm);
- memcpy(buf, usage->session_name, session_name_len);
- buf += session_name_len;
- memcpy(buf, usage->channel_name, channel_name_len);
- buf += channel_name_len;
- }
-end:
- return size;
-}
-
-static
-struct lttng_condition *lttng_condition_buffer_usage_create(
- enum lttng_condition_type type)
-{
- struct lttng_condition_buffer_usage *condition;
-
- condition = zmalloc(sizeof(struct lttng_condition_buffer_usage));
- if (!condition) {
- goto end;
- }
-
- condition->parent.type = type;
- condition->parent.validate = lttng_condition_buffer_usage_validate;
- condition->parent.serialize = lttng_condition_buffer_usage_serialize;
- condition->parent.destroy = lttng_condition_buffer_usage_destroy;
-end:
- return &condition->parent;
-}
-
-struct lttng_condition *lttng_condition_buffer_usage_low_create(void)
-{
- return lttng_condition_buffer_usage_create(
- LTTNG_CONDITION_TYPE_BUFFER_USAGE_LOW);
-}
-
-struct lttng_condition *lttng_condition_buffer_usage_high_create(void)
-{
- return lttng_condition_buffer_usage_create(
- LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH);
-}
-
-static
-ssize_t init_from_buffer(struct lttng_condition *condition, const char *buf)
-{
- ssize_t ret, condition_size;
- enum lttng_condition_status status;
- enum lttng_domain_type domain_type;
- struct lttng_condition_buffer_usage_comm *condition_comm =
- (struct lttng_condition_buffer_usage_comm *) buf;
- const char *session_name, *channel_name;
-
- if (condition_comm->threshold_set_in_bytes) {
- status = lttng_condition_buffer_usage_set_threshold(condition,
- condition_comm->threshold.bytes);
- } else {
- status = lttng_condition_buffer_usage_set_threshold_percentage(
- condition, condition_comm->threshold.percent);
- }
- if (status != LTTNG_CONDITION_STATUS_OK) {
- ret = -1;
- goto end;
- }
-
- if (condition_comm->domain_type <= LTTNG_DOMAIN_NONE ||
- condition_comm->domain_type > LTTNG_DOMAIN_PYTHON) {
- /* Invalid domain value. */
- ret = -1;
- goto end;
- }
-
- domain_type = (enum lttng_domain_type) condition_comm->domain_type;
- status = lttng_condition_buffer_usage_set_domain_type(condition,
- domain_type);
- if (status != LTTNG_CONDITION_STATUS_OK) {
- ret = -1;
- goto end;
- }
-
- session_name = buf + sizeof(struct lttng_condition_buffer_usage_comm);
- channel_name = session_name + condition_comm->session_name_len;
-
- status = lttng_condition_buffer_usage_set_session_name(condition,
- session_name);
- if (status != LTTNG_CONDITION_STATUS_OK) {
- ret = -1;
- goto end;
- }
-
- status = lttng_condition_buffer_usage_set_channel_name(condition,
- channel_name);
- if (status != LTTNG_CONDITION_STATUS_OK) {
- ret = -1;
- goto end;
- }
-
- if (!lttng_condition_validate(condition)) {
- ret = -1;
- goto end;
- }
-
- condition_size = sizeof(*condition_comm);
- condition_size += (ssize_t) condition_comm->session_name_len;
- condition_size += (ssize_t) condition_comm->channel_name_len;
- ret = condition_size;
-end:
- return ret;
-}
-
-LTTNG_HIDDEN
-ssize_t lttng_condition_buffer_usage_low_create_from_buffer(const char *buf,
- struct lttng_condition **_condition)
-{
- ssize_t ret;
- struct lttng_condition *condition =
- lttng_condition_buffer_usage_low_create();
-
- if (!_condition || !condition) {
- ret = -1;
- goto error;
- }
-
- ret = init_from_buffer(condition, buf);
- if (ret < 0) {
- goto error;
- }
-
- *_condition = condition;
- return ret;
-error:
- lttng_condition_destroy(condition);
- return ret;
-}
-
-LTTNG_HIDDEN
-ssize_t lttng_condition_buffer_usage_high_create_from_buffer(const char *buf,
- struct lttng_condition **_condition)
-{
- ssize_t ret;
- struct lttng_condition *condition =
- lttng_condition_buffer_usage_high_create();
-
- if (!_condition || !condition) {
- ret = -1;
- goto error;
- }
-
- ret = init_from_buffer(condition, buf);
- if (ret < 0) {
- goto error;
- }
-
- *_condition = condition;
- return ret;
-error:
- lttng_condition_destroy(condition);
- return ret;
-}
-
-enum lttng_condition_status
-lttng_condition_buffer_usage_get_threshold_percentage(
- struct lttng_condition *condition, double *threshold_percent)
-{
- struct lttng_condition_buffer_usage *usage;
- enum lttng_condition_status status = LTTNG_CONDITION_STATUS_OK;
-
- if (!condition || !is_usage_condition(condition) ||
- !threshold_percent) {
- status = LTTNG_CONDITION_STATUS_INVALID;
- goto end;
- }
-
- usage = container_of(condition, struct lttng_condition_buffer_usage,
- parent);
- if (!usage->threshold_percent.set) {
- status = LTTNG_CONDITION_STATUS_UNSET;
- goto end;
- }
- *threshold_percent = usage->threshold_percent.value;
-end:
- return status;
-}
-
-/* threshold_percent expressed as [0.0, 1.0]. */
-enum lttng_condition_status
-lttng_condition_buffer_usage_set_threshold_percentage(
- struct lttng_condition *condition, double threshold_percent)
-{
- struct lttng_condition_buffer_usage *usage;
- enum lttng_condition_status status = LTTNG_CONDITION_STATUS_OK;
-
- if (!condition || !is_usage_condition(condition) ||
- threshold_percent < 0.0 || threshold_percent > 1.0) {
- status = LTTNG_CONDITION_STATUS_INVALID;
- goto end;
- }
-
- usage = container_of(condition, struct lttng_condition_buffer_usage,
- parent);
- usage->threshold_percent.set = true;
- usage->threshold_bytes.set = false;
- usage->threshold_percent.value = threshold_percent;
-end:
- return status;
-}
-
-enum lttng_condition_status
-lttng_condition_buffer_usage_get_threshold(
- struct lttng_condition *condition, uint64_t *threshold_bytes)
-{
- struct lttng_condition_buffer_usage *usage;
- enum lttng_condition_status status = LTTNG_CONDITION_STATUS_OK;
-
- if (!condition || !is_usage_condition(condition) || !threshold_bytes) {
- status = LTTNG_CONDITION_STATUS_INVALID;
- goto end;
- }
-
- usage = container_of(condition, struct lttng_condition_buffer_usage,
- parent);
- if (!usage->threshold_bytes.set) {
- status = LTTNG_CONDITION_STATUS_UNSET;
- goto end;
- }
- *threshold_bytes = usage->threshold_bytes.value;
-end:
- return status;
-}
-
-enum lttng_condition_status
-lttng_condition_buffer_usage_set_threshold(
- struct lttng_condition *condition, uint64_t threshold_bytes)
-{
- struct lttng_condition_buffer_usage *usage;
- enum lttng_condition_status status = LTTNG_CONDITION_STATUS_OK;
-
- if (!condition || !is_usage_condition(condition)) {
- status = LTTNG_CONDITION_STATUS_INVALID;
- goto end;
- }
-
- usage = container_of(condition, struct lttng_condition_buffer_usage,
- parent);
- usage->threshold_percent.set = false;
- usage->threshold_bytes.set = true;
- usage->threshold_bytes.value = threshold_bytes;
-end:
- return status;
-}
-
-enum lttng_condition_status
-lttng_condition_buffer_usage_get_session_name(
- struct lttng_condition *condition, const char **session_name)
-{
- struct lttng_condition_buffer_usage *usage;
- enum lttng_condition_status status = LTTNG_CONDITION_STATUS_OK;
-
- if (!condition || !is_usage_condition(condition) || !session_name) {
- status = LTTNG_CONDITION_STATUS_INVALID;
- goto end;
- }
-
- usage = container_of(condition, struct lttng_condition_buffer_usage,
- parent);
- if (!usage->session_name) {
- status = LTTNG_CONDITION_STATUS_UNSET;
- goto end;
- }
- *session_name = usage->session_name;
-end:
- return status;
-}
-
-extern enum lttng_condition_status
-lttng_condition_buffer_usage_set_session_name(
- struct lttng_condition *condition, const char *session_name)
-{
- struct lttng_condition_buffer_usage *usage;
- enum lttng_condition_status status = LTTNG_CONDITION_STATUS_OK;
-
- if (!condition || !is_usage_condition(condition) || !session_name ||
- strlen(session_name) == 0) {
- status = LTTNG_CONDITION_STATUS_INVALID;
- goto end;
- }
-
- usage = container_of(condition, struct lttng_condition_buffer_usage,
- parent);
- usage->session_name = strdup(session_name);
- if (!usage->session_name) {
- status = LTTNG_CONDITION_STATUS_ERROR;
- goto end;
- }
-end:
- return status;
-}
-
-enum lttng_condition_status
-lttng_condition_buffer_usage_get_channel_name(
- struct lttng_condition *condition, const char **channel_name)
-{
- struct lttng_condition_buffer_usage *usage;
- enum lttng_condition_status status = LTTNG_CONDITION_STATUS_OK;
-
- if (!condition || !is_usage_condition(condition) || !channel_name) {
- status = LTTNG_CONDITION_STATUS_INVALID;
- goto end;
- }
-
- usage = container_of(condition, struct lttng_condition_buffer_usage,
- parent);
- if (!usage->channel_name) {
- status = LTTNG_CONDITION_STATUS_UNSET;
- goto end;
- }
- *channel_name = usage->channel_name;
-end:
- return status;
-}
-
-extern enum lttng_condition_status
-lttng_condition_buffer_usage_set_channel_name(
- struct lttng_condition *condition, const char *channel_name)
-{
- struct lttng_condition_buffer_usage *usage;
- enum lttng_condition_status status = LTTNG_CONDITION_STATUS_OK;
-
- if (!condition || !is_usage_condition(condition) || !channel_name ||
- strlen(channel_name) == 0) {
- status = LTTNG_CONDITION_STATUS_INVALID;
- goto end;
- }
-
- usage = container_of(condition, struct lttng_condition_buffer_usage,
- parent);
- usage->channel_name = strdup(channel_name);
- if (!usage->channel_name) {
- status = LTTNG_CONDITION_STATUS_ERROR;
- goto end;
- }
-end:
- return status;
-}
-
-extern enum lttng_condition_status
-lttng_condition_buffer_usage_get_domain_type(
- struct lttng_condition *condition, enum lttng_domain_type *type)
-{
- struct lttng_condition_buffer_usage *usage;
- enum lttng_condition_status status = LTTNG_CONDITION_STATUS_OK;
-
- if (!condition || !is_usage_condition(condition) || !type) {
- status = LTTNG_CONDITION_STATUS_INVALID;
- goto end;
- }
-
- usage = container_of(condition, struct lttng_condition_buffer_usage,
- parent);
- if (!usage->domain.set) {
- status = LTTNG_CONDITION_STATUS_UNSET;
- goto end;
- }
- *type = usage->domain.type;
-end:
- return status;
-}
-
-extern enum lttng_condition_status
-lttng_condition_buffer_usage_set_domain_type(
- struct lttng_condition *condition, enum lttng_domain_type type)
-{
- struct lttng_condition_buffer_usage *usage;
- enum lttng_condition_status status = LTTNG_CONDITION_STATUS_OK;
-
- if (!condition || !is_usage_condition(condition) ||
- type == LTTNG_DOMAIN_NONE) {
- status = LTTNG_CONDITION_STATUS_INVALID;
- goto end;
- }
-
- usage = container_of(condition, struct lttng_condition_buffer_usage,
- parent);
- usage->domain.set = true;
- usage->domain.type = type;
-end:
- return status;
-}
-
-static
-void lttng_evaluation_buffer_usage_destroy(
- struct lttng_evaluation *evaluation)
-{
- struct lttng_evaluation_buffer_usage *usage;
-
- usage = container_of(evaluation, struct lttng_evaluation_buffer_usage,
- parent);
- free(usage);
-}
-
-LTTNG_HIDDEN
-struct lttng_evaluation *lttng_evaluation_buffer_usage_create(uint64_t use,
- uint64_t capacity)
-{
- struct lttng_evaluation_buffer_usage *usage;
-
- usage = zmalloc(sizeof(struct lttng_evaluation_buffer_usage));
- if (!usage) {
- goto end;
- }
-
- usage->buffer_use = use;
- usage->buffer_capacity = capacity;
- usage->parent.destroy = lttng_evaluation_buffer_usage_destroy;
-end:
- return &usage->parent;
-}
-
-/*
- * Get the sampled buffer usage which caused the associated condition to
- * evaluate to "true".
- */
-enum lttng_evaluation_status
-lttng_evaluation_buffer_usage_get_usage_percentage(
- struct lttng_evaluation *evaluation, double *usage_percent)
-{
- struct lttng_evaluation_buffer_usage *usage;
- enum lttng_evaluation_status status = LTTNG_EVALUATION_STATUS_OK;
-
- if (!evaluation || !is_usage_evaluation(evaluation) || !usage_percent) {
- status = LTTNG_EVALUATION_STATUS_INVALID;
- goto end;
- }
-
- usage = container_of(evaluation, struct lttng_evaluation_buffer_usage,
- parent);
- *usage_percent = (double) usage->buffer_use /
- (double) usage->buffer_capacity;
-end:
- return status;
-}
-
-enum lttng_evaluation_status
-lttng_evaluation_buffer_usage_get_usage(struct lttng_evaluation *evaluation,
- uint64_t *usage_bytes)
-{
- struct lttng_evaluation_buffer_usage *usage;
- enum lttng_evaluation_status status = LTTNG_EVALUATION_STATUS_OK;
-
- if (!evaluation || !is_usage_evaluation(evaluation) || !usage_bytes) {
- status = LTTNG_EVALUATION_STATUS_INVALID;
- goto end;
- }
-
- usage = container_of(evaluation, struct lttng_evaluation_buffer_usage,
- parent);
- *usage_bytes = usage->buffer_use;
-end:
- return status;
-}
+++ /dev/null
-/*
- * Copyright (C) 2017 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
- *
- * This library is free software; you can redistribute it and/or modify it
- * under the terms of the GNU Lesser General Public License, version 2.1 only,
- * as published by the Free Software Foundation.
- *
- * This library 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 Lesser General Public License
- * for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this library; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include <lttng/condition/condition-internal.h>
-#include <lttng/condition/buffer-usage-internal.h>
-#include <common/macros.h>
-#include <stdbool.h>
-#include <assert.h>
-
-enum lttng_condition_type lttng_condition_get_type(
- struct lttng_condition *condition)
-{
- return condition ? condition->type : LTTNG_CONDITION_TYPE_UNKNOWN;
-}
-
-void lttng_condition_destroy(struct lttng_condition *condition)
-{
- if (!condition) {
- return;
- }
-
- assert(condition->destroy);
- condition->destroy(condition);
-}
-
-LTTNG_HIDDEN
-bool lttng_condition_validate(struct lttng_condition *condition)
-{
- bool valid;
-
- if (!condition) {
- valid = false;
- goto end;
- }
-
- if (!condition->validate) {
- /* Sub-class guarantees that it can never be invalid. */
- valid = true;
- goto end;
- }
-
- valid = condition->validate(condition);
-end:
- return valid;
-}
-
-LTTNG_HIDDEN
-ssize_t lttng_condition_serialize(struct lttng_condition *condition, char *buf)
-{
- ssize_t ret, condition_size;
- struct lttng_condition_comm condition_comm;
-
- if (!condition) {
- ret = -1;
- goto end;
- }
-
- condition_comm.condition_type = (int8_t) condition->type;
- ret = sizeof(struct lttng_condition_comm);
- if (buf) {
- memcpy(buf, &condition_comm, ret);
- buf += ret;
- }
-
- condition_size = condition->serialize(condition, buf);
- if (condition_size < 0) {
- ret = condition_size;
- goto end;
- }
- ret += condition_size;
-end:
- return ret;
-}
-
-LTTNG_HIDDEN
-ssize_t lttng_condition_create_from_buffer(const char *buf,
- struct lttng_condition **condition)
-{
- ssize_t ret, condition_size = 0;
- struct lttng_condition_comm *condition_comm =
- (struct lttng_condition_comm *) buf;
-
- if (!buf || !condition) {
- ret = -1;
- goto end;
- }
-
- condition_size += sizeof(*condition_comm);
- buf += condition_size;
-
- switch (condition_comm->condition_type) {
- case LTTNG_CONDITION_TYPE_BUFFER_USAGE_LOW:
- ret = lttng_condition_buffer_usage_low_create_from_buffer(buf,
- condition);
- if (ret < 0) {
- goto end;
- }
- condition_size += ret;
- break;
- case LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH:
- ret = lttng_condition_buffer_usage_high_create_from_buffer(buf,
- condition);
- if (ret < 0) {
- goto end;
- }
- condition_size += ret;
- break;
- default:
- ret = -1;
- goto end;
- }
- ret = condition_size;
-end:
- return ret;
-}
+++ /dev/null
-/*
- * Copyright (C) 2017 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
- *
- * This library is free software; you can redistribute it and/or modify it
- * under the terms of the GNU Lesser General Public License, version 2.1 only,
- * as published by the Free Software Foundation.
- *
- * This library 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 Lesser General Public License
- * for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this library; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include <lttng/endpoint-internal.h>
-
-static
-struct lttng_endpoint lttng_session_daemon_notification_endpoint_instance = {
- .type = LTTNG_ENDPOINT_TYPE_DEFAULT_SESSIOND_NOTIFICATION
-};
-
-struct lttng_endpoint *lttng_session_daemon_notification_endpoint =
- <tng_session_daemon_notification_endpoint_instance;
+++ /dev/null
-/*
- * Copyright (C) 2017 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
- *
- * This library is free software; you can redistribute it and/or modify it
- * under the terms of the GNU Lesser General Public License, version 2.1 only,
- * as published by the Free Software Foundation.
- *
- * This library 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 Lesser General Public License
- * for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this library; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include <lttng/condition/evaluation-internal.h>
-#include <common/macros.h>
-#include <stdbool.h>
-#include <assert.h>
-
-enum lttng_condition_type lttng_evaluation_get_type(
- struct lttng_evaluation *evaluation)
-{
- return evaluation ? evaluation->type : LTTNG_CONDITION_TYPE_UNKNOWN;
-}
-
-void lttng_evaluation_destroy(struct lttng_evaluation *evaluation)
-{
- if (!evaluation) {
- return;
- }
-
- assert(evaluation->destroy);
- evaluation->destroy(evaluation);
-}
+++ /dev/null
-/*
- * Copyright (C) 2017 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
- *
- * This library is free software; you can redistribute it and/or modify it
- * under the terms of the GNU Lesser General Public License, version 2.1 only,
- * as published by the Free Software Foundation.
- *
- * This library 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 Lesser General Public License
- * for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this library; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include <lttng/notification/notification-internal.h>
-#include <lttng/condition/condition.h>
-#include <lttng/condition/evaluation.h>
-#include <assert.h>
-
-LTTNG_HIDDEN
-struct lttng_notification *lttng_notification_create(
- struct lttng_condition *condition,
- struct lttng_evaluation *evaluation)
-{
- struct lttng_notification *notification = NULL;
-
- if (!condition || !evaluation) {
- goto end;
- }
-
- notification = zmalloc(sizeof(struct lttng_notification));
- if (!notification) {
- goto end;
- }
-
- notification->condition = condition;
- notification->evaluation = evaluation;
-end:
- return notification;
-}
-
-void lttng_notification_destroy(struct lttng_notification *notification)
-{
- if (!notification) {
- return;
- }
-
- lttng_condition_destroy(notification->condition);
- lttng_evaluation_destroy(notification->evaluation);
- free(notification);
-}
-
-struct lttng_condition *lttng_notification_get_condition(
- struct lttng_notification *notification)
-{
- return notification ? notification->condition : NULL;
-}
-
-struct lttng_evaluation *lttng_notification_get_evaluation(
- struct lttng_notification *notification)
-{
- return notification ? notification->evaluation : NULL;
-}
+++ /dev/null
-/*
- * Copyright (C) 2017 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
- *
- * This library is free software; you can redistribute it and/or modify it
- * under the terms of the GNU Lesser General Public License, version 2.1 only,
- * as published by the Free Software Foundation.
- *
- * This library 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 Lesser General Public License
- * for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this library; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include <lttng/action/action-internal.h>
-#include <lttng/action/notify-internal.h>
-#include <common/macros.h>
-#include <assert.h>
-
-static
-void lttng_action_notify_destroy(struct lttng_action *action)
-{
- free(action);
-}
-
-static
-ssize_t lttng_action_notify_serialize(struct lttng_action *action, char *buf)
-{
- return 0;
-}
-
-struct lttng_action *lttng_action_notify_create(void)
-{
- struct lttng_action_notify *notify;
-
- notify = zmalloc(sizeof(struct lttng_action_notify));
- if (!notify) {
- goto end;
- }
-
- notify->parent.type = LTTNG_ACTION_TYPE_NOTIFY;
- notify->parent.serialize = lttng_action_notify_serialize;
- notify->parent.destroy = lttng_action_notify_destroy;
-end:
- return ¬ify->parent;
-}
+++ /dev/null
-/*
- * Copyright (C) 2017 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
- *
- * This library is free software; you can redistribute it and/or modify it
- * under the terms of the GNU Lesser General Public License, version 2.1 only,
- * as published by the Free Software Foundation.
- *
- * This library 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 Lesser General Public License
- * for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this library; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include <lttng/trigger/trigger-internal.h>
-#include <lttng/condition/condition-internal.h>
-#include <lttng/action/action-internal.h>
-#include <assert.h>
-
-LTTNG_HIDDEN
-bool lttng_trigger_validate(struct lttng_trigger *trigger)
-{
- bool valid;
-
- if (!trigger) {
- valid = false;
- goto end;
- }
-
- valid = lttng_condition_validate(trigger->condition) &&
- lttng_action_validate(trigger->action);
-end:
- return valid;
-}
-
-struct lttng_trigger *lttng_trigger_create(
- struct lttng_condition *condition,
- struct lttng_action *action)
-{
- struct lttng_trigger *trigger = NULL;
-
- if (!condition || !action) {
- goto end;
- }
-
- trigger = zmalloc(sizeof(struct lttng_trigger));
- if (!trigger) {
- goto end;
- }
-
- trigger->condition = condition;
- trigger->action = action;
-end:
- return trigger;
-}
-
-void lttng_trigger_destroy(struct lttng_trigger *trigger)
-{
- if (!trigger) {
- return;
- }
-
- lttng_condition_destroy(trigger->condition);
- lttng_action_destroy(trigger->action);
- free(trigger);
-}
-
-LTTNG_HIDDEN
-ssize_t lttng_trigger_create_from_buffer(const char *buf,
- struct lttng_trigger **trigger)
-{
- ssize_t ret, trigger_size;
- struct lttng_condition *condition = NULL;
- struct lttng_action *action = NULL;
-
- if (!buf || !trigger) {
- ret = -1;
- goto end;
- }
-
- ret = lttng_condition_create_from_buffer(buf, &condition);
- if (ret < 0) {
- goto end;
- }
-
- trigger_size = ret;
- buf += ret;
- ret = lttng_action_create_from_buffer(buf, &action);
- if (ret < 0) {
- goto end;
- }
-
- trigger_size += ret;
- *trigger = lttng_trigger_create(condition, action);
- if (!*trigger) {
- goto error;
- }
- ret = trigger_size;
-end:
- return ret;
-error:
- lttng_condition_destroy(condition);
- lttng_action_destroy(action);
- return ret;
-}
-
-/*
- * Returns the size of a trigger's condition and action.
- * Both elements are stored contiguously, see their "*_comm" structure
- * for the detailed format.
- */
-LTTNG_HIDDEN
-ssize_t lttng_trigger_serialize(struct lttng_trigger *trigger, char *buf)
-{
- ssize_t action_size, condition_size, ret;
-
- if (!trigger) {
- ret = -1;
- goto end;
- }
-
- condition_size = lttng_condition_serialize(trigger->condition, NULL);
- if (condition_size < 0) {
- ret = -1;
- goto end;
- }
-
- action_size = lttng_action_serialize(trigger->action, NULL);
- if (action_size < 0) {
- ret = -1;
- goto end;
- }
-
- ret = action_size + condition_size;
- if (!buf) {
- goto end;
- }
-
- condition_size = lttng_condition_serialize(trigger->condition, buf);
- if (condition_size < 0) {
- ret = -1;
- goto end;
- }
-
- buf += condition_size;
- action_size = lttng_action_serialize(trigger->action, buf);
- if (action_size < 0) {
- ret = -1;
- goto end;
- }
-end:
- return ret;
-}
projects / lttng-tools.git / commitdiff
