#include <common/payload-view.hpp>
#include <common/payload.hpp>
#include <common/runas.hpp>
-#include <ctype.h>
+
#include <lttng/constant.h>
#include <lttng/event-rule/event-rule-internal.hpp>
#include <lttng/event-rule/event-rule.h>
#include <lttng/event-rule/kernel-kprobe-internal.hpp>
#include <lttng/kernel-probe-internal.hpp>
#include <lttng/kernel-probe.h>
+
+#include <ctype.h>
#include <stdio.h>
#define IS_KPROBE_EVENT_RULE(rule) \
free(kprobe);
}
-static bool lttng_event_rule_kernel_kprobe_validate(
- const struct lttng_event_rule *rule)
+static bool lttng_event_rule_kernel_kprobe_validate(const struct lttng_event_rule *rule)
{
bool valid = false;
struct lttng_event_rule_kernel_kprobe *kprobe;
}
/* Required field. */
- if(!kprobe->location) {
+ if (!kprobe->location) {
ERR("Invalid name event rule: a location must be set.");
goto end;
}
return valid;
}
-static int lttng_event_rule_kernel_kprobe_serialize(
- const struct lttng_event_rule *rule,
- struct lttng_payload *payload)
+static int lttng_event_rule_kernel_kprobe_serialize(const struct lttng_event_rule *rule,
+ struct lttng_payload *payload)
{
int ret;
size_t name_len, header_offset, size_before_location;
name_len = strlen(kprobe->name) + 1;
kprobe_comm.name_len = name_len;
- ret = lttng_dynamic_buffer_append(
- &payload->buffer, &kprobe_comm, sizeof(kprobe_comm));
+ ret = lttng_dynamic_buffer_append(&payload->buffer, &kprobe_comm, sizeof(kprobe_comm));
if (ret) {
goto end;
}
}
/* Update the header regarding the probe size. */
- header = (struct lttng_event_rule_kernel_kprobe_comm*) (
- (char *) payload->buffer.data + header_offset);
+ header = (struct lttng_event_rule_kernel_kprobe_comm *) ((char *) payload->buffer.data +
+ header_offset);
header->location_len = payload->buffer.size - size_before_location;
ret = 0;
}
static bool lttng_event_rule_kernel_kprobe_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_kprobe *a, *b;
/* Long check */
LTTNG_ASSERT(a->name);
LTTNG_ASSERT(b->name);
- if (strcmp(a->name, b->name)) {
+ if (strcmp(a->name, b->name) != 0) {
goto end;
}
- is_equal = lttng_kernel_probe_location_is_equal(
- a->location, b->location);
+ is_equal = lttng_kernel_probe_location_is_equal(a->location, b->location);
end:
return is_equal;
}
static enum lttng_error_code lttng_event_rule_kernel_kprobe_generate_filter_bytecode(
- struct lttng_event_rule *rule __attribute__((unused)),
- const struct lttng_credentials *creds __attribute__((unused)))
+ 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_kprobe_get_filter(
- const struct lttng_event_rule *rule __attribute__((unused)))
+static const char *lttng_event_rule_kernel_kprobe_get_filter(const struct lttng_event_rule *rule
+ __attribute__((unused)))
{
/* Not supported. */
- return NULL;
+ return nullptr;
}
static const struct lttng_bytecode *
-lttng_event_rule_kernel_kprobe_get_filter_bytecode(
- const struct lttng_event_rule *rule __attribute__((unused)))
+lttng_event_rule_kernel_kprobe_get_filter_bytecode(const struct lttng_event_rule *rule
+ __attribute__((unused)))
{
/* Not supported. */
- return NULL;
+ return nullptr;
}
static enum lttng_event_rule_generate_exclusions_status
-lttng_event_rule_kernel_kprobe_generate_exclusions(
- const struct lttng_event_rule *rule __attribute__((unused)),
- struct lttng_event_exclusion **exclusions)
+lttng_event_rule_kernel_kprobe_generate_exclusions(const struct lttng_event_rule *rule
+ __attribute__((unused)),
+ struct lttng_event_exclusion **exclusions)
{
/* Not supported. */
- *exclusions = NULL;
+ *exclusions = nullptr;
return LTTNG_EVENT_RULE_GENERATE_EXCLUSIONS_STATUS_NONE;
}
-static unsigned long
-lttng_event_rule_kernel_kprobe_hash(
- const struct lttng_event_rule *rule)
+static unsigned long lttng_event_rule_kernel_kprobe_hash(const struct lttng_event_rule *rule)
{
unsigned long hash;
struct lttng_event_rule_kernel_kprobe *krule =
- lttng::utils::container_of(rule, <tng_event_rule_kernel_kprobe::parent);
+ lttng::utils::container_of(rule, <tng_event_rule_kernel_kprobe::parent);
- hash = hash_key_ulong((void *) LTTNG_EVENT_RULE_TYPE_KERNEL_KPROBE,
- lttng_ht_seed);
+ hash = hash_key_ulong((void *) LTTNG_EVENT_RULE_TYPE_KERNEL_KPROBE, lttng_ht_seed);
hash ^= hash_key_str(krule->name, lttng_ht_seed);
hash ^= lttng_kernel_probe_location_hash(krule->location);
return hash;
}
-static
-int kernel_probe_set_location(
- struct lttng_event_rule_kernel_kprobe *kprobe,
- const struct lttng_kernel_probe_location *location)
+static int kernel_probe_set_location(struct lttng_event_rule_kernel_kprobe *kprobe,
+ const struct lttng_kernel_probe_location *location)
{
int ret;
- struct lttng_kernel_probe_location *location_copy = NULL;
+ struct lttng_kernel_probe_location *location_copy = nullptr;
if (!kprobe || !location || kprobe->location) {
ret = -1;
}
kprobe->location = location_copy;
- location_copy = NULL;
+ location_copy = nullptr;
ret = 0;
end:
lttng_kernel_probe_location_destroy(location_copy);
return ret;
}
-static
-enum lttng_error_code lttng_event_rule_kernel_kprobe_mi_serialize(
- const struct lttng_event_rule *rule, struct mi_writer *writer)
+static enum lttng_error_code
+lttng_event_rule_kernel_kprobe_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_kernel_probe_location *location = NULL;
+ const char *event_name = nullptr;
+ const struct lttng_kernel_probe_location *location = nullptr;
LTTNG_ASSERT(rule);
LTTNG_ASSERT(writer);
LTTNG_ASSERT(IS_KPROBE_EVENT_RULE(rule));
- status = lttng_event_rule_kernel_kprobe_get_event_name(
- rule, &event_name);
+ status = lttng_event_rule_kernel_kprobe_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 kprobe element. */
- ret = mi_lttng_writer_open_element(
- writer, mi_lttng_element_event_rule_kernel_kprobe);
+ ret = mi_lttng_writer_open_element(writer, mi_lttng_element_event_rule_kernel_kprobe);
if (ret) {
goto mi_error;
}
/* 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_kprobe_create(
- const struct lttng_kernel_probe_location *location)
+struct lttng_event_rule *
+lttng_event_rule_kernel_kprobe_create(const struct lttng_kernel_probe_location *location)
{
- struct lttng_event_rule *rule = NULL;
+ struct lttng_event_rule *rule = nullptr;
struct lttng_event_rule_kernel_kprobe *krule;
krule = zmalloc<lttng_event_rule_kernel_kprobe>();
krule->parent.equal = lttng_event_rule_kernel_kprobe_is_equal;
krule->parent.destroy = lttng_event_rule_kernel_kprobe_destroy;
krule->parent.generate_filter_bytecode =
- lttng_event_rule_kernel_kprobe_generate_filter_bytecode;
+ lttng_event_rule_kernel_kprobe_generate_filter_bytecode;
krule->parent.get_filter = lttng_event_rule_kernel_kprobe_get_filter;
- krule->parent.get_filter_bytecode =
- lttng_event_rule_kernel_kprobe_get_filter_bytecode;
- krule->parent.generate_exclusions =
- lttng_event_rule_kernel_kprobe_generate_exclusions;
+ krule->parent.get_filter_bytecode = lttng_event_rule_kernel_kprobe_get_filter_bytecode;
+ krule->parent.generate_exclusions = lttng_event_rule_kernel_kprobe_generate_exclusions;
krule->parent.hash = lttng_event_rule_kernel_kprobe_hash;
krule->parent.mi_serialize = lttng_event_rule_kernel_kprobe_mi_serialize;
if (kernel_probe_set_location(krule, location)) {
lttng_event_rule_destroy(rule);
- rule = NULL;
+ rule = nullptr;
}
end:
return rule;
}
-ssize_t lttng_event_rule_kernel_kprobe_create_from_payload(
- struct lttng_payload_view *view,
- struct lttng_event_rule **_event_rule)
+ssize_t lttng_event_rule_kernel_kprobe_create_from_payload(struct lttng_payload_view *view,
+ struct lttng_event_rule **_event_rule)
{
ssize_t ret, offset = 0;
enum lttng_event_rule_status status;
const struct lttng_event_rule_kernel_kprobe_comm *kprobe_comm;
const char *name;
struct lttng_buffer_view current_buffer_view;
- struct lttng_event_rule *rule = NULL;
- struct lttng_kernel_probe_location *location = NULL;
+ struct lttng_event_rule *rule = nullptr;
+ struct lttng_kernel_probe_location *location = nullptr;
if (!_event_rule) {
ret = -1;
goto end;
}
- current_buffer_view = lttng_buffer_view_from_view(
- &view->buffer, offset, sizeof(*kprobe_comm));
+ current_buffer_view =
+ lttng_buffer_view_from_view(&view->buffer, offset, sizeof(*kprobe_comm));
if (!lttng_buffer_view_is_valid(¤t_buffer_view)) {
ERR("Failed to initialize from malformed event rule kprobe: buffer too short to contain header.");
ret = -1;
{
/* Map the name. */
struct lttng_payload_view current_payload_view =
- lttng_payload_view_from_view(view, offset,
- kprobe_comm->name_len);
+ lttng_payload_view_from_view(view, offset, kprobe_comm->name_len);
if (!lttng_payload_view_is_valid(¤t_payload_view)) {
ret = -1;
name = current_payload_view.buffer.data;
if (!lttng_buffer_view_contains_string(
- ¤t_payload_view.buffer, name,
- kprobe_comm->name_len)) {
+ ¤t_payload_view.buffer, name, kprobe_comm->name_len)) {
ret = -1;
goto end;
}
/* Map the kernel probe location. */
{
struct lttng_payload_view current_payload_view =
- lttng_payload_view_from_view(view, offset,
- kprobe_comm->location_len);
+ lttng_payload_view_from_view(view, offset, kprobe_comm->location_len);
if (!lttng_payload_view_is_valid(¤t_payload_view)) {
ret = -1;
goto end;
}
- ret = lttng_kernel_probe_location_create_from_payload(
- ¤t_payload_view, &location);
+ ret = lttng_kernel_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_kernel_probe_location_destroy(location);
return ret;
}
-enum lttng_event_rule_status lttng_event_rule_kernel_kprobe_get_location(
- const struct lttng_event_rule *rule,
- const struct lttng_kernel_probe_location **location)
+enum lttng_event_rule_status
+lttng_event_rule_kernel_kprobe_get_location(const struct lttng_event_rule *rule,
+ const struct lttng_kernel_probe_location **location)
{
enum lttng_event_rule_status status = LTTNG_EVENT_RULE_STATUS_OK;
struct lttng_event_rule_kernel_kprobe *kprobe;
return status;
}
-enum lttng_event_rule_status lttng_event_rule_kernel_kprobe_set_event_name(
- struct lttng_event_rule *rule, const char *name)
+enum lttng_event_rule_status
+lttng_event_rule_kernel_kprobe_set_event_name(struct lttng_event_rule *rule, const char *name)
{
- char *name_copy = NULL;
+ char *name_copy = nullptr;
struct lttng_event_rule_kernel_kprobe *kprobe;
enum lttng_event_rule_status status = LTTNG_EVENT_RULE_STATUS_OK;
- if (!rule || !IS_KPROBE_EVENT_RULE(rule) || !name ||
- strlen(name) == 0) {
+ if (!rule || !IS_KPROBE_EVENT_RULE(rule) || !name || strlen(name) == 0) {
status = LTTNG_EVENT_RULE_STATUS_INVALID;
goto end;
}
free(kprobe->name);
kprobe->name = name_copy;
- name_copy = NULL;
+ name_copy = nullptr;
end:
return status;
}
-enum lttng_event_rule_status lttng_event_rule_kernel_kprobe_get_event_name(
- const struct lttng_event_rule *rule, const char **name)
+enum lttng_event_rule_status
+lttng_event_rule_kernel_kprobe_get_event_name(const struct lttng_event_rule *rule,
+ const char **name)
{
struct lttng_event_rule_kernel_kprobe *kprobe;
enum lttng_event_rule_status status = LTTNG_EVENT_RULE_STATUS_OK;
projects / lttng-tools.git / blobdiff