#include <common/payload.hpp>
#include <common/runas.hpp>
#include <common/string-utils/string-utils.hpp>
+
#include <lttng/event-rule/event-rule-internal.hpp>
#include <lttng/event-rule/kernel-syscall-internal.hpp>
{
struct lttng_event_rule_kernel_syscall *syscall;
- if (rule == NULL) {
+ if (rule == nullptr) {
return;
}
free(syscall);
}
-static bool lttng_event_rule_kernel_syscall_validate(
- const struct lttng_event_rule *rule)
+static bool lttng_event_rule_kernel_syscall_validate(const struct lttng_event_rule *rule)
{
bool valid = false;
struct lttng_event_rule_kernel_syscall *syscall;
return valid;
}
-static int lttng_event_rule_kernel_syscall_serialize(
- const struct lttng_event_rule *rule,
- struct lttng_payload *payload)
+static int lttng_event_rule_kernel_syscall_serialize(const struct lttng_event_rule *rule,
+ struct lttng_payload *payload)
{
int ret;
size_t pattern_len, filter_expression_len;
pattern_len = strlen(syscall->pattern) + 1;
- if (syscall->filter_expression != NULL) {
+ if (syscall->filter_expression != nullptr) {
filter_expression_len = strlen(syscall->filter_expression) + 1;
} else {
filter_expression_len = 0;
syscall_comm.filter_expression_len = filter_expression_len;
syscall_comm.emission_site = syscall->emission_site;
- ret = lttng_dynamic_buffer_append(
- &payload->buffer, &syscall_comm, sizeof(syscall_comm));
+ ret = lttng_dynamic_buffer_append(&payload->buffer, &syscall_comm, sizeof(syscall_comm));
if (ret) {
goto end;
}
- ret = lttng_dynamic_buffer_append(
- &payload->buffer, syscall->pattern, pattern_len);
+ ret = lttng_dynamic_buffer_append(&payload->buffer, syscall->pattern, pattern_len);
if (ret) {
goto end;
}
- ret = lttng_dynamic_buffer_append(&payload->buffer,
- syscall->filter_expression, filter_expression_len);
+ ret = lttng_dynamic_buffer_append(
+ &payload->buffer, syscall->filter_expression, filter_expression_len);
end:
return ret;
}
static bool lttng_event_rule_kernel_syscall_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_syscall *a, *b;
LTTNG_ASSERT(a->pattern);
LTTNG_ASSERT(b->pattern);
- if (strcmp(a->pattern, b->pattern)) {
+ if (strcmp(a->pattern, b->pattern) != 0) {
goto end;
}
if (a->filter_expression && b->filter_expression) {
- if (strcmp(a->filter_expression, b->filter_expression)) {
+ if (strcmp(a->filter_expression, b->filter_expression) != 0) {
goto end;
}
} else if (!!a->filter_expression != !!b->filter_expression) {
return is_equal;
}
-static enum lttng_error_code lttng_event_rule_kernel_syscall_generate_filter_bytecode(
- struct lttng_event_rule *rule,
- const struct lttng_credentials *creds)
+static enum lttng_error_code
+lttng_event_rule_kernel_syscall_generate_filter_bytecode(struct lttng_event_rule *rule,
+ const struct lttng_credentials *creds)
{
int ret;
enum lttng_error_code ret_code = LTTNG_OK;
struct lttng_event_rule_kernel_syscall *syscall;
enum lttng_event_rule_status status;
const char *filter;
- struct lttng_bytecode *bytecode = NULL;
+ struct lttng_bytecode *bytecode = nullptr;
LTTNG_ASSERT(rule);
/* Generate the filter bytecode. */
status = lttng_event_rule_kernel_syscall_get_filter(rule, &filter);
if (status == LTTNG_EVENT_RULE_STATUS_UNSET) {
- filter = NULL;
+ filter = nullptr;
} else if (status != LTTNG_EVENT_RULE_STATUS_OK) {
ret_code = LTTNG_ERR_FILTER_INVAL;
goto end;
goto end;
}
- if (filter == NULL) {
+ if (filter == nullptr) {
/* Nothing to do. */
ret = LTTNG_OK;
goto end;
}
syscall->internal_filter.filter = strdup(filter);
- if (syscall->internal_filter.filter == NULL) {
+ if (syscall->internal_filter.filter == nullptr) {
ret_code = LTTNG_ERR_NOMEM;
goto end;
}
- ret = run_as_generate_filter_bytecode(
- syscall->internal_filter.filter, creds, &bytecode);
+ ret = run_as_generate_filter_bytecode(syscall->internal_filter.filter, creds, &bytecode);
if (ret) {
ret_code = LTTNG_ERR_FILTER_INVAL;
}
syscall->internal_filter.bytecode = bytecode;
- bytecode = NULL;
+ bytecode = nullptr;
end:
free(bytecode);
return ret_code;
}
-static const char *lttng_event_rule_kernel_syscall_get_internal_filter(
- const struct lttng_event_rule *rule)
+static const char *
+lttng_event_rule_kernel_syscall_get_internal_filter(const struct lttng_event_rule *rule)
{
struct lttng_event_rule_kernel_syscall *syscall;
}
static const struct lttng_bytecode *
-lttng_event_rule_kernel_syscall_get_internal_filter_bytecode(
- const struct lttng_event_rule *rule)
+lttng_event_rule_kernel_syscall_get_internal_filter_bytecode(const struct lttng_event_rule *rule)
{
struct lttng_event_rule_kernel_syscall *syscall;
}
static enum lttng_event_rule_generate_exclusions_status
-lttng_event_rule_kernel_syscall_generate_exclusions(
- const struct lttng_event_rule *rule __attribute__((unused)),
- struct lttng_event_exclusion **exclusions)
+lttng_event_rule_kernel_syscall_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_syscall_hash(
- const struct lttng_event_rule *rule)
+static unsigned long lttng_event_rule_kernel_syscall_hash(const struct lttng_event_rule *rule)
{
unsigned long hash;
struct lttng_event_rule_kernel_syscall *syscall_rule =
- lttng::utils::container_of(rule, <tng_event_rule_kernel_syscall::parent);
+ lttng::utils::container_of(rule, <tng_event_rule_kernel_syscall::parent);
- hash = hash_key_ulong((void *) LTTNG_EVENT_RULE_TYPE_KERNEL_SYSCALL,
- lttng_ht_seed);
+ hash = hash_key_ulong((void *) LTTNG_EVENT_RULE_TYPE_KERNEL_SYSCALL, lttng_ht_seed);
hash ^= hash_key_str(syscall_rule->pattern, lttng_ht_seed);
if (syscall_rule->filter_expression) {
- hash ^= hash_key_str(syscall_rule->filter_expression,
- lttng_ht_seed);
+ hash ^= hash_key_str(syscall_rule->filter_expression, lttng_ht_seed);
}
return hash;
}
-static enum lttng_error_code lttng_event_rule_kernel_syscall_mi_serialize(
- const struct lttng_event_rule *rule, struct mi_writer *writer)
+static enum lttng_error_code
+lttng_event_rule_kernel_syscall_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;
enum lttng_event_rule_kernel_syscall_emission_site site_type;
- const char *filter = NULL;
- const char *name_pattern = NULL;
- const char *site_type_str = NULL;
+ const char *filter = nullptr;
+ const char *name_pattern = nullptr;
+ const char *site_type_str = nullptr;
LTTNG_ASSERT(rule);
LTTNG_ASSERT(writer);
LTTNG_ASSERT(IS_SYSCALL_EVENT_RULE(rule));
- status = lttng_event_rule_kernel_syscall_get_name_pattern(
- rule, &name_pattern);
+ status = lttng_event_rule_kernel_syscall_get_name_pattern(rule, &name_pattern);
LTTNG_ASSERT(status == LTTNG_EVENT_RULE_STATUS_OK);
LTTNG_ASSERT(name_pattern);
status = lttng_event_rule_kernel_syscall_get_filter(rule, &filter);
LTTNG_ASSERT(status == LTTNG_EVENT_RULE_STATUS_OK ||
- status == LTTNG_EVENT_RULE_STATUS_UNSET);
+ status == LTTNG_EVENT_RULE_STATUS_UNSET);
site_type = lttng_event_rule_kernel_syscall_get_emission_site(rule);
}
/* Open event rule kernel syscall element. */
- ret = mi_lttng_writer_open_element(
- writer, mi_lttng_element_event_rule_kernel_syscall);
+ ret = mi_lttng_writer_open_element(writer, mi_lttng_element_event_rule_kernel_syscall);
if (ret) {
goto mi_error;
}
/* Emission site. */
- ret = mi_lttng_writer_write_element_string(writer,
- mi_lttng_element_event_rule_kernel_syscall_emission_site,
- site_type_str);
+ ret = mi_lttng_writer_write_element_string(
+ writer, mi_lttng_element_event_rule_kernel_syscall_emission_site, site_type_str);
if (ret) {
goto mi_error;
}
/* Name pattern. */
- ret = mi_lttng_writer_write_element_string(writer,
- mi_lttng_element_event_rule_name_pattern, name_pattern);
+ ret = mi_lttng_writer_write_element_string(
+ writer, mi_lttng_element_event_rule_name_pattern, name_pattern);
if (ret) {
goto mi_error;
}
/* Filter. */
- if (filter != NULL) {
- ret = mi_lttng_writer_write_element_string(writer,
- mi_lttng_element_event_rule_filter_expression,
- filter);
+ if (filter != nullptr) {
+ ret = mi_lttng_writer_write_element_string(
+ writer, mi_lttng_element_event_rule_filter_expression, filter);
if (ret) {
goto mi_error;
}
}
struct lttng_event_rule *lttng_event_rule_kernel_syscall_create(
- enum lttng_event_rule_kernel_syscall_emission_site
- emission_site)
+ enum lttng_event_rule_kernel_syscall_emission_site emission_site)
{
- struct lttng_event_rule *rule = NULL;
+ struct lttng_event_rule *rule = nullptr;
struct lttng_event_rule_kernel_syscall *syscall_rule;
enum lttng_event_rule_status status;
}
rule = &syscall_rule->parent;
- lttng_event_rule_init(
- &syscall_rule->parent, LTTNG_EVENT_RULE_TYPE_KERNEL_SYSCALL);
+ lttng_event_rule_init(&syscall_rule->parent, LTTNG_EVENT_RULE_TYPE_KERNEL_SYSCALL);
syscall_rule->parent.validate = lttng_event_rule_kernel_syscall_validate;
syscall_rule->parent.serialize = lttng_event_rule_kernel_syscall_serialize;
syscall_rule->parent.equal = lttng_event_rule_kernel_syscall_is_equal;
syscall_rule->parent.destroy = lttng_event_rule_kernel_syscall_destroy;
syscall_rule->parent.generate_filter_bytecode =
- lttng_event_rule_kernel_syscall_generate_filter_bytecode;
- syscall_rule->parent.get_filter =
- lttng_event_rule_kernel_syscall_get_internal_filter;
+ lttng_event_rule_kernel_syscall_generate_filter_bytecode;
+ syscall_rule->parent.get_filter = lttng_event_rule_kernel_syscall_get_internal_filter;
syscall_rule->parent.get_filter_bytecode =
- lttng_event_rule_kernel_syscall_get_internal_filter_bytecode;
+ lttng_event_rule_kernel_syscall_get_internal_filter_bytecode;
syscall_rule->parent.generate_exclusions =
- lttng_event_rule_kernel_syscall_generate_exclusions;
+ lttng_event_rule_kernel_syscall_generate_exclusions;
syscall_rule->parent.hash = lttng_event_rule_kernel_syscall_hash;
syscall_rule->parent.mi_serialize = lttng_event_rule_kernel_syscall_mi_serialize;
status = lttng_event_rule_kernel_syscall_set_name_pattern(rule, "*");
if (status != LTTNG_EVENT_RULE_STATUS_OK) {
lttng_event_rule_destroy(rule);
- rule = NULL;
+ rule = nullptr;
}
/* Emission site type */
return rule;
}
-ssize_t lttng_event_rule_kernel_syscall_create_from_payload(
- struct lttng_payload_view *view,
- struct lttng_event_rule **_event_rule)
+ssize_t lttng_event_rule_kernel_syscall_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_syscall_comm *syscall_comm;
const char *pattern;
- const char *filter_expression = NULL;
+ const char *filter_expression = nullptr;
struct lttng_buffer_view current_buffer_view;
- struct lttng_event_rule *rule = NULL;
+ struct lttng_event_rule *rule = nullptr;
if (!_event_rule) {
ret = -1;
goto end;
}
- current_buffer_view = lttng_buffer_view_from_view(
- &view->buffer, offset, sizeof(*syscall_comm));
+ current_buffer_view =
+ lttng_buffer_view_from_view(&view->buffer, offset, sizeof(*syscall_comm));
if (!lttng_buffer_view_is_valid(¤t_buffer_view)) {
ret = -1;
goto end;
}
syscall_comm = (typeof(syscall_comm)) current_buffer_view.data;
- rule = lttng_event_rule_kernel_syscall_create((lttng_event_rule_kernel_syscall_emission_site) syscall_comm->emission_site);
+ rule = lttng_event_rule_kernel_syscall_create(
+ (lttng_event_rule_kernel_syscall_emission_site) syscall_comm->emission_site);
if (!rule) {
ERR("Failed to create event rule syscall");
ret = -1;
offset += current_buffer_view.size;
/* Map the pattern. */
- current_buffer_view = lttng_buffer_view_from_view(
- &view->buffer, offset, syscall_comm->pattern_len);
+ current_buffer_view =
+ lttng_buffer_view_from_view(&view->buffer, offset, syscall_comm->pattern_len);
if (!lttng_buffer_view_is_valid(¤t_buffer_view)) {
ret = -1;
goto end;
}
pattern = current_buffer_view.data;
- if (!lttng_buffer_view_contains_string(¤t_buffer_view, pattern,
- syscall_comm->pattern_len)) {
+ if (!lttng_buffer_view_contains_string(
+ ¤t_buffer_view, pattern, syscall_comm->pattern_len)) {
ret = -1;
goto end;
}
}
/* Map the filter_expression. */
- current_buffer_view = lttng_buffer_view_from_view(&view->buffer, offset,
- syscall_comm->filter_expression_len);
+ current_buffer_view = lttng_buffer_view_from_view(
+ &view->buffer, offset, syscall_comm->filter_expression_len);
if (!lttng_buffer_view_is_valid(¤t_buffer_view)) {
ret = -1;
goto end;
}
filter_expression = current_buffer_view.data;
- if (!lttng_buffer_view_contains_string(¤t_buffer_view,
- filter_expression,
- syscall_comm->filter_expression_len)) {
+ if (!lttng_buffer_view_contains_string(
+ ¤t_buffer_view, filter_expression, syscall_comm->filter_expression_len)) {
ret = -1;
goto end;
}
}
if (filter_expression) {
- status = lttng_event_rule_kernel_syscall_set_filter(
- rule, filter_expression);
+ status = lttng_event_rule_kernel_syscall_set_filter(rule, filter_expression);
if (status != LTTNG_EVENT_RULE_STATUS_OK) {
ERR("Failed to set event rule syscall pattern");
ret = -1;
}
*_event_rule = rule;
- rule = NULL;
+ rule = nullptr;
ret = offset;
end:
lttng_event_rule_destroy(rule);
return ret;
}
-enum lttng_event_rule_status lttng_event_rule_kernel_syscall_set_name_pattern(
- struct lttng_event_rule *rule, const char *pattern)
+enum lttng_event_rule_status
+lttng_event_rule_kernel_syscall_set_name_pattern(struct lttng_event_rule *rule, const char *pattern)
{
- char *pattern_copy = NULL;
+ char *pattern_copy = nullptr;
struct lttng_event_rule_kernel_syscall *syscall;
enum lttng_event_rule_status status = LTTNG_EVENT_RULE_STATUS_OK;
- if (!rule || !IS_SYSCALL_EVENT_RULE(rule) || !pattern ||
- strlen(pattern) == 0) {
+ if (!rule || !IS_SYSCALL_EVENT_RULE(rule) || !pattern || strlen(pattern) == 0) {
status = LTTNG_EVENT_RULE_STATUS_INVALID;
goto end;
}
free(syscall->pattern);
syscall->pattern = pattern_copy;
- pattern_copy = NULL;
+ pattern_copy = nullptr;
end:
return status;
}
-enum lttng_event_rule_status lttng_event_rule_kernel_syscall_get_name_pattern(
- const struct lttng_event_rule *rule, const char **pattern)
+enum lttng_event_rule_status
+lttng_event_rule_kernel_syscall_get_name_pattern(const struct lttng_event_rule *rule,
+ const char **pattern)
{
struct lttng_event_rule_kernel_syscall *syscall;
enum lttng_event_rule_status status = LTTNG_EVENT_RULE_STATUS_OK;
return status;
}
-enum lttng_event_rule_status lttng_event_rule_kernel_syscall_set_filter(
- struct lttng_event_rule *rule, const char *expression)
+enum lttng_event_rule_status
+lttng_event_rule_kernel_syscall_set_filter(struct lttng_event_rule *rule, const char *expression)
{
- char *expression_copy = NULL;
+ char *expression_copy = nullptr;
struct lttng_event_rule_kernel_syscall *syscall;
enum lttng_event_rule_status status = LTTNG_EVENT_RULE_STATUS_OK;
/* TODO: validate that the passed expression is valid. */
- if (!rule || !IS_SYSCALL_EVENT_RULE(rule) || !expression ||
- strlen(expression) == 0) {
+ if (!rule || !IS_SYSCALL_EVENT_RULE(rule) || !expression || strlen(expression) == 0) {
status = LTTNG_EVENT_RULE_STATUS_INVALID;
goto end;
}
}
syscall->filter_expression = expression_copy;
- expression_copy = NULL;
+ expression_copy = nullptr;
end:
return status;
}
-enum lttng_event_rule_status lttng_event_rule_kernel_syscall_get_filter(
- const struct lttng_event_rule *rule, const char **expression)
+enum lttng_event_rule_status
+lttng_event_rule_kernel_syscall_get_filter(const struct lttng_event_rule *rule,
+ const char **expression)
{
struct lttng_event_rule_kernel_syscall *syscall;
enum lttng_event_rule_status status = LTTNG_EVENT_RULE_STATUS_OK;
return status;
}
extern enum lttng_event_rule_kernel_syscall_emission_site
-lttng_event_rule_kernel_syscall_get_emission_site(
- const struct lttng_event_rule *rule)
+lttng_event_rule_kernel_syscall_get_emission_site(const struct lttng_event_rule *rule)
{
enum lttng_event_rule_kernel_syscall_emission_site emission_site =
LTTNG_EVENT_RULE_KERNEL_SYSCALL_EMISSION_SITE_UNKNOWN;
}
const char *lttng_event_rule_kernel_syscall_emission_site_str(
- enum lttng_event_rule_kernel_syscall_emission_site emission_site)
+ enum lttng_event_rule_kernel_syscall_emission_site emission_site)
{
switch (emission_site) {
case LTTNG_EVENT_RULE_KERNEL_SYSCALL_EMISSION_SITE_ENTRY: