*
*/
-#include <common/credentials.h>
-#include <common/error.h>
-#include <common/hashtable/hashtable.h>
-#include <common/hashtable/utils.h>
-#include <common/macros.h>
-#include <common/mi-lttng.h>
-#include <common/payload-view.h>
-#include <common/payload.h>
-#include <common/runas.h>
-#include <lttng/event-rule/event-rule-internal.h>
-#include <lttng/event-rule/kernel-uprobe-internal.h>
-#include <lttng/userspace-probe-internal.h>
+#include <common/credentials.hpp>
+#include <common/error.hpp>
+#include <common/hashtable/hashtable.hpp>
+#include <common/hashtable/utils.hpp>
+#include <common/macros.hpp>
+#include <common/mi-lttng.hpp>
+#include <common/payload-view.hpp>
+#include <common/payload.hpp>
+#include <common/runas.hpp>
+
+#include <lttng/event-rule/event-rule-internal.hpp>
+#include <lttng/event-rule/kernel-uprobe-internal.hpp>
+#include <lttng/userspace-probe-internal.hpp>
#define IS_UPROBE_EVENT_RULE(rule) \
(lttng_event_rule_get_type(rule) == LTTNG_EVENT_RULE_TYPE_KERNEL_UPROBE)
{
struct lttng_event_rule_kernel_uprobe *uprobe;
- uprobe = container_of(rule, struct lttng_event_rule_kernel_uprobe, parent);
+ uprobe = lttng::utils::container_of(rule, <tng_event_rule_kernel_uprobe::parent);
lttng_userspace_probe_location_destroy(uprobe->location);
free(uprobe->name);
free(uprobe);
}
-static bool lttng_event_rule_kernel_uprobe_validate(
- const struct lttng_event_rule *rule)
+static bool lttng_event_rule_kernel_uprobe_validate(const struct lttng_event_rule *rule)
{
bool valid = false;
struct lttng_event_rule_kernel_uprobe *uprobe;
goto end;
}
- uprobe = container_of(rule, struct lttng_event_rule_kernel_uprobe, parent);
+ uprobe = lttng::utils::container_of(rule, <tng_event_rule_kernel_uprobe::parent);
/* Required field. */
if (!uprobe->name) {
return valid;
}
-static int lttng_event_rule_kernel_uprobe_serialize(
- const struct lttng_event_rule *rule,
- struct lttng_payload *payload)
+static int lttng_event_rule_kernel_uprobe_serialize(const struct lttng_event_rule *rule,
+ struct lttng_payload *payload)
{
int ret;
size_t name_len, header_offset, size_before_probe;
header_offset = payload->buffer.size;
DBG("Serializing uprobe event rule.");
- uprobe = container_of(rule, struct lttng_event_rule_kernel_uprobe, parent);
+ uprobe = lttng::utils::container_of(rule, <tng_event_rule_kernel_uprobe::parent);
name_len = strlen(uprobe->name) + 1;
uprobe_comm.name_len = name_len;
- ret = lttng_dynamic_buffer_append(
- &payload->buffer, &uprobe_comm, sizeof(uprobe_comm));
+ ret = lttng_dynamic_buffer_append(&payload->buffer, &uprobe_comm, sizeof(uprobe_comm));
if (ret) {
goto end;
}
- ret = lttng_dynamic_buffer_append(
- &payload->buffer, uprobe->name, name_len);
+ ret = lttng_dynamic_buffer_append(&payload->buffer, uprobe->name, name_len);
if (ret) {
goto end;
}
size_before_probe = payload->buffer.size;
/* This serialize return the size taken in the buffer. */
- ret = lttng_userspace_probe_location_serialize(
- uprobe->location, payload);
+ ret = lttng_userspace_probe_location_serialize(uprobe->location, payload);
if (ret < 0) {
goto end;
}
/* Update the header regarding the probe size. */
- header = (struct lttng_event_rule_kernel_uprobe_comm
- *) ((char *) payload->buffer.data +
- header_offset);
+ header = (struct lttng_event_rule_kernel_uprobe_comm *) ((char *) payload->buffer.data +
+ header_offset);
header->location_len = payload->buffer.size - size_before_probe;
ret = 0;
}
static bool lttng_event_rule_kernel_uprobe_is_equal(const struct lttng_event_rule *_a,
- const struct lttng_event_rule *_b)
+ const struct lttng_event_rule *_b)
{
bool is_equal = false;
struct lttng_event_rule_kernel_uprobe *a, *b;
- a = container_of(_a, struct lttng_event_rule_kernel_uprobe, parent);
- b = container_of(_b, struct lttng_event_rule_kernel_uprobe, parent);
+ a = lttng::utils::container_of(_a, <tng_event_rule_kernel_uprobe::parent);
+ b = lttng::utils::container_of(_b, <tng_event_rule_kernel_uprobe::parent);
/* uprobe is invalid if this is not true. */
LTTNG_ASSERT(a->name);
LTTNG_ASSERT(b->name);
- if (strcmp(a->name, b->name)) {
+ if (strcmp(a->name, b->name) != 0) {
goto end;
}
LTTNG_ASSERT(a->location);
LTTNG_ASSERT(b->location);
- is_equal = lttng_userspace_probe_location_is_equal(
- a->location, b->location);
+ is_equal = lttng_userspace_probe_location_is_equal(a->location, b->location);
end:
return is_equal;
}
static enum lttng_error_code lttng_event_rule_kernel_uprobe_generate_filter_bytecode(
- struct lttng_event_rule *rule,
- const struct lttng_credentials *creds)
+ struct lttng_event_rule *rule __attribute__((unused)),
+ const struct lttng_credentials *creds __attribute__((unused)))
{
/* Nothing to do. */
return LTTNG_OK;
}
-static const char *lttng_event_rule_kernel_uprobe_get_filter(
- const struct lttng_event_rule *rule)
+static const char *lttng_event_rule_kernel_uprobe_get_filter(const struct lttng_event_rule *rule
+ __attribute__((unused)))
{
/* Unsupported. */
- return NULL;
+ return nullptr;
}
static const struct lttng_bytecode *
-lttng_event_rule_kernel_uprobe_get_filter_bytecode(const struct lttng_event_rule *rule)
+lttng_event_rule_kernel_uprobe_get_filter_bytecode(const struct lttng_event_rule *rule
+ __attribute__((unused)))
{
/* Unsupported. */
- return NULL;
+ return nullptr;
}
static enum lttng_event_rule_generate_exclusions_status
-lttng_event_rule_kernel_uprobe_generate_exclusions(const struct lttng_event_rule *rule,
- struct lttng_event_exclusion **exclusions)
+lttng_event_rule_kernel_uprobe_generate_exclusions(const struct lttng_event_rule *rule
+ __attribute__((unused)),
+ struct lttng_event_exclusion **exclusions)
{
/* Unsupported. */
- *exclusions = NULL;
+ *exclusions = nullptr;
return LTTNG_EVENT_RULE_GENERATE_EXCLUSIONS_STATUS_NONE;
}
-static unsigned long
-lttng_event_rule_kernel_uprobe_hash(
- const struct lttng_event_rule *rule)
+static unsigned long lttng_event_rule_kernel_uprobe_hash(const struct lttng_event_rule *rule)
{
unsigned long hash;
struct lttng_event_rule_kernel_uprobe *urule =
- container_of(rule, typeof(*urule), parent);
+ lttng::utils::container_of(rule, <tng_event_rule_kernel_uprobe::parent);
- hash = hash_key_ulong((void *) LTTNG_EVENT_RULE_TYPE_KERNEL_UPROBE,
- lttng_ht_seed);
+ hash = hash_key_ulong((void *) LTTNG_EVENT_RULE_TYPE_KERNEL_UPROBE, lttng_ht_seed);
hash ^= hash_key_str(urule->name, lttng_ht_seed);
hash ^= lttng_userspace_probe_location_hash(urule->location);
return hash;
}
-static
-int userspace_probe_set_location(
- struct lttng_event_rule_kernel_uprobe *uprobe,
- const struct lttng_userspace_probe_location *location)
+static int userspace_probe_set_location(struct lttng_event_rule_kernel_uprobe *uprobe,
+ const struct lttng_userspace_probe_location *location)
{
int ret;
- struct lttng_userspace_probe_location *location_copy = NULL;
+ struct lttng_userspace_probe_location *location_copy = nullptr;
if (!uprobe || !location || uprobe->location) {
ret = -1;
}
uprobe->location = location_copy;
- location_copy = NULL;
+ location_copy = nullptr;
ret = 0;
end:
lttng_userspace_probe_location_destroy(location_copy);
return ret;
}
-static enum lttng_error_code lttng_event_rule_kernel_uprobe_mi_serialize(
- const struct lttng_event_rule *rule, struct mi_writer *writer)
+static enum lttng_error_code
+lttng_event_rule_kernel_uprobe_mi_serialize(const struct lttng_event_rule *rule,
+ struct mi_writer *writer)
{
int ret;
enum lttng_error_code ret_code;
enum lttng_event_rule_status status;
- const char *event_name = NULL;
- const struct lttng_userspace_probe_location *location = NULL;
+ const char *event_name = nullptr;
+ const struct lttng_userspace_probe_location *location = nullptr;
LTTNG_ASSERT(rule);
LTTNG_ASSERT(writer);
LTTNG_ASSERT(IS_UPROBE_EVENT_RULE(rule));
- status = lttng_event_rule_kernel_uprobe_get_event_name(
- rule, &event_name);
+ status = lttng_event_rule_kernel_uprobe_get_event_name(rule, &event_name);
LTTNG_ASSERT(status == LTTNG_EVENT_RULE_STATUS_OK);
LTTNG_ASSERT(event_name);
LTTNG_ASSERT(location);
/* Open event rule kernel uprobe element. */
- ret = mi_lttng_writer_open_element(
- writer, mi_lttng_element_event_rule_kernel_uprobe);
+ ret = mi_lttng_writer_open_element(writer, mi_lttng_element_event_rule_kernel_uprobe);
if (ret) {
goto mi_error;
}
/* Event name. */
- ret = mi_lttng_writer_write_element_string(writer,
- mi_lttng_element_event_rule_event_name, event_name);
+ ret = mi_lttng_writer_write_element_string(
+ writer, mi_lttng_element_event_rule_event_name, event_name);
if (ret) {
goto mi_error;
}
return ret_code;
}
-struct lttng_event_rule *lttng_event_rule_kernel_uprobe_create(
- const struct lttng_userspace_probe_location *location)
+struct lttng_event_rule *
+lttng_event_rule_kernel_uprobe_create(const struct lttng_userspace_probe_location *location)
{
- struct lttng_event_rule *rule = NULL;
+ struct lttng_event_rule *rule = nullptr;
struct lttng_event_rule_kernel_uprobe *urule;
- urule = (lttng_event_rule_kernel_uprobe *) zmalloc(sizeof(struct lttng_event_rule_kernel_uprobe));
+ urule = zmalloc<lttng_event_rule_kernel_uprobe>();
if (!urule) {
goto end;
}
urule->parent.equal = lttng_event_rule_kernel_uprobe_is_equal;
urule->parent.destroy = lttng_event_rule_kernel_uprobe_destroy;
urule->parent.generate_filter_bytecode =
- lttng_event_rule_kernel_uprobe_generate_filter_bytecode;
+ lttng_event_rule_kernel_uprobe_generate_filter_bytecode;
urule->parent.get_filter = lttng_event_rule_kernel_uprobe_get_filter;
- urule->parent.get_filter_bytecode =
- lttng_event_rule_kernel_uprobe_get_filter_bytecode;
- urule->parent.generate_exclusions =
- lttng_event_rule_kernel_uprobe_generate_exclusions;
+ urule->parent.get_filter_bytecode = lttng_event_rule_kernel_uprobe_get_filter_bytecode;
+ urule->parent.generate_exclusions = lttng_event_rule_kernel_uprobe_generate_exclusions;
urule->parent.hash = lttng_event_rule_kernel_uprobe_hash;
urule->parent.mi_serialize = lttng_event_rule_kernel_uprobe_mi_serialize;
if (userspace_probe_set_location(urule, location)) {
lttng_event_rule_destroy(rule);
- rule = NULL;
+ rule = nullptr;
}
end:
return rule;
}
-ssize_t lttng_event_rule_kernel_uprobe_create_from_payload(
- struct lttng_payload_view *view,
- struct lttng_event_rule **_event_rule)
+ssize_t lttng_event_rule_kernel_uprobe_create_from_payload(struct lttng_payload_view *view,
+ struct lttng_event_rule **_event_rule)
{
ssize_t ret, offset = 0;
const struct lttng_event_rule_kernel_uprobe_comm *uprobe_comm;
const char *name;
struct lttng_buffer_view current_buffer_view;
- struct lttng_event_rule *rule = NULL;
- struct lttng_userspace_probe_location *location = NULL;
+ struct lttng_event_rule *rule = nullptr;
+ struct lttng_userspace_probe_location *location = nullptr;
enum lttng_event_rule_status status;
if (!_event_rule) {
goto end;
}
- current_buffer_view = lttng_buffer_view_from_view(
- &view->buffer, offset, sizeof(*uprobe_comm));
+ current_buffer_view =
+ lttng_buffer_view_from_view(&view->buffer, offset, sizeof(*uprobe_comm));
if (!lttng_buffer_view_is_valid(¤t_buffer_view)) {
ERR("Failed to initialize from malformed event rule uprobe: buffer too short to contain header");
ret = -1;
offset += current_buffer_view.size;
/* Map the name. */
- current_buffer_view = lttng_buffer_view_from_view(
- &view->buffer, offset, uprobe_comm->name_len);
+ current_buffer_view =
+ lttng_buffer_view_from_view(&view->buffer, offset, uprobe_comm->name_len);
if (!lttng_buffer_view_is_valid(¤t_buffer_view)) {
ret = -1;
goto end;
}
name = current_buffer_view.data;
- if (!lttng_buffer_view_contains_string(¤t_buffer_view, name,
- uprobe_comm->name_len)) {
+ if (!lttng_buffer_view_contains_string(¤t_buffer_view, name, uprobe_comm->name_len)) {
ret = -1;
goto end;
}
/* Map the location. */
{
struct lttng_payload_view current_payload_view =
- lttng_payload_view_from_view(view, offset,
- uprobe_comm->location_len);
+ lttng_payload_view_from_view(view, offset, uprobe_comm->location_len);
if (!lttng_payload_view_is_valid(¤t_payload_view)) {
ERR("Failed to initialize from malformed event rule uprobe: buffer too short to contain location");
goto end;
}
- ret = lttng_userspace_probe_location_create_from_payload(
- ¤t_payload_view, &location);
+ ret = lttng_userspace_probe_location_create_from_payload(¤t_payload_view,
+ &location);
if (ret < 0) {
ret = -1;
goto end;
}
*_event_rule = rule;
- rule = NULL;
+ rule = nullptr;
ret = offset;
end:
lttng_userspace_probe_location_destroy(location);
return ret;
}
-
-enum lttng_event_rule_status lttng_event_rule_kernel_uprobe_get_location(
- const struct lttng_event_rule *rule,
- const struct lttng_userspace_probe_location **location)
+enum lttng_event_rule_status
+lttng_event_rule_kernel_uprobe_get_location(const struct lttng_event_rule *rule,
+ const struct lttng_userspace_probe_location **location)
{
enum lttng_event_rule_status status = LTTNG_EVENT_RULE_STATUS_OK;
}
struct lttng_userspace_probe_location *
-lttng_event_rule_kernel_uprobe_get_location_mutable(
- const struct lttng_event_rule *rule)
+lttng_event_rule_kernel_uprobe_get_location_mutable(const struct lttng_event_rule *rule)
{
struct lttng_event_rule_kernel_uprobe *uprobe;
LTTNG_ASSERT(rule);
- uprobe = container_of(rule, struct lttng_event_rule_kernel_uprobe, parent);
+ uprobe = lttng::utils::container_of(rule, <tng_event_rule_kernel_uprobe::parent);
return uprobe->location;
}
-enum lttng_event_rule_status lttng_event_rule_kernel_uprobe_set_event_name(
- struct lttng_event_rule *rule, const char *name)
+enum lttng_event_rule_status
+lttng_event_rule_kernel_uprobe_set_event_name(struct lttng_event_rule *rule, const char *name)
{
- char *name_copy = NULL;
+ char *name_copy = nullptr;
struct lttng_event_rule_kernel_uprobe *uprobe;
enum lttng_event_rule_status status = LTTNG_EVENT_RULE_STATUS_OK;
- if (!rule || !IS_UPROBE_EVENT_RULE(rule) || !name ||
- strlen(name) == 0) {
+ if (!rule || !IS_UPROBE_EVENT_RULE(rule) || !name || strlen(name) == 0) {
status = LTTNG_EVENT_RULE_STATUS_INVALID;
goto end;
}
- uprobe = container_of(rule, struct lttng_event_rule_kernel_uprobe, parent);
+ uprobe = lttng::utils::container_of(rule, <tng_event_rule_kernel_uprobe::parent);
name_copy = strdup(name);
if (!name_copy) {
status = LTTNG_EVENT_RULE_STATUS_ERROR;
}
uprobe->name = name_copy;
- name_copy = NULL;
+ name_copy = nullptr;
end:
return status;
}
-enum lttng_event_rule_status lttng_event_rule_kernel_uprobe_get_event_name(
- const struct lttng_event_rule *rule, const char **name)
+enum lttng_event_rule_status
+lttng_event_rule_kernel_uprobe_get_event_name(const struct lttng_event_rule *rule,
+ const char **name)
{
struct lttng_event_rule_kernel_uprobe *uprobe;
enum lttng_event_rule_status status = LTTNG_EVENT_RULE_STATUS_OK;
goto end;
}
- uprobe = container_of(rule, struct lttng_event_rule_kernel_uprobe, parent);
+ uprobe = lttng::utils::container_of(rule, <tng_event_rule_kernel_uprobe::parent);
if (!uprobe->name) {
status = LTTNG_EVENT_RULE_STATUS_UNSET;
goto end;
projects / lttng-tools.git / blobdiff