#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-tracepoint-internal.hpp>
#include <lttng/event.h>
{
struct lttng_event_rule_kernel_tracepoint *tracepoint;
- if (rule == NULL) {
+ if (rule == nullptr) {
return;
}
- tracepoint = container_of(
- rule, struct lttng_event_rule_kernel_tracepoint, parent);
+ tracepoint = lttng::utils::container_of(rule, <tng_event_rule_kernel_tracepoint::parent);
free(tracepoint->pattern);
free(tracepoint->filter_expression);
free(tracepoint);
}
-static bool lttng_event_rule_kernel_tracepoint_validate(
- const struct lttng_event_rule *rule)
+static bool lttng_event_rule_kernel_tracepoint_validate(const struct lttng_event_rule *rule)
{
bool valid = false;
struct lttng_event_rule_kernel_tracepoint *tracepoint;
goto end;
}
- tracepoint = container_of(
- rule, struct lttng_event_rule_kernel_tracepoint, parent);
+ tracepoint = lttng::utils::container_of(rule, <tng_event_rule_kernel_tracepoint::parent);
/* Required field. */
if (!tracepoint->pattern) {
return valid;
}
-static int lttng_event_rule_kernel_tracepoint_serialize(
- const struct lttng_event_rule *rule,
- struct lttng_payload *payload)
+static int lttng_event_rule_kernel_tracepoint_serialize(const struct lttng_event_rule *rule,
+ struct lttng_payload *payload)
{
int ret;
size_t pattern_len, filter_expression_len;
}
DBG("Serializing kernel tracepoint event rule.");
- tracepoint = container_of(
- rule, struct lttng_event_rule_kernel_tracepoint, parent);
+ tracepoint = lttng::utils::container_of(rule, <tng_event_rule_kernel_tracepoint::parent);
pattern_len = strlen(tracepoint->pattern) + 1;
- if (tracepoint->filter_expression != NULL) {
- filter_expression_len =
- strlen(tracepoint->filter_expression) + 1;
+ if (tracepoint->filter_expression != nullptr) {
+ filter_expression_len = strlen(tracepoint->filter_expression) + 1;
} else {
filter_expression_len = 0;
}
tracepoint_comm.pattern_len = pattern_len;
tracepoint_comm.filter_expression_len = filter_expression_len;
- ret = lttng_dynamic_buffer_append(&payload->buffer, &tracepoint_comm,
- sizeof(tracepoint_comm));
+ ret = lttng_dynamic_buffer_append(
+ &payload->buffer, &tracepoint_comm, sizeof(tracepoint_comm));
if (ret) {
goto end;
}
- ret = lttng_dynamic_buffer_append(
- &payload->buffer, tracepoint->pattern, pattern_len);
+ ret = lttng_dynamic_buffer_append(&payload->buffer, tracepoint->pattern, pattern_len);
if (ret) {
goto end;
}
- ret = lttng_dynamic_buffer_append(&payload->buffer, tracepoint->filter_expression,
- filter_expression_len);
+ ret = lttng_dynamic_buffer_append(
+ &payload->buffer, tracepoint->filter_expression, filter_expression_len);
if (ret) {
goto end;
}
return ret;
}
-static bool lttng_event_rule_kernel_tracepoint_is_equal(
- const struct lttng_event_rule *_a,
- const struct lttng_event_rule *_b)
+static bool lttng_event_rule_kernel_tracepoint_is_equal(const struct lttng_event_rule *_a,
+ const struct lttng_event_rule *_b)
{
bool is_equal = false;
struct lttng_event_rule_kernel_tracepoint *a, *b;
- a = container_of(_a, struct lttng_event_rule_kernel_tracepoint, parent);
- b = container_of(_b, struct lttng_event_rule_kernel_tracepoint, parent);
+ a = lttng::utils::container_of(_a, <tng_event_rule_kernel_tracepoint::parent);
+ b = lttng::utils::container_of(_b, <tng_event_rule_kernel_tracepoint::parent);
if (!!a->filter_expression != !!b->filter_expression) {
goto end;
/* Long check. */
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) {
}
static enum lttng_error_code
-lttng_event_rule_kernel_tracepoint_generate_filter_bytecode(
- struct lttng_event_rule *rule,
- const struct lttng_credentials *creds)
+lttng_event_rule_kernel_tracepoint_generate_filter_bytecode(struct lttng_event_rule *rule,
+ const struct lttng_credentials *creds)
{
int ret;
enum lttng_error_code ret_code;
struct lttng_event_rule_kernel_tracepoint *tracepoint;
enum lttng_event_rule_status status;
const char *filter;
- struct lttng_bytecode *bytecode = NULL;
+ struct lttng_bytecode *bytecode = nullptr;
LTTNG_ASSERT(rule);
- tracepoint = container_of(
- rule, struct lttng_event_rule_kernel_tracepoint, parent);
+ tracepoint = lttng::utils::container_of(rule, <tng_event_rule_kernel_tracepoint::parent);
status = lttng_event_rule_kernel_tracepoint_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;
if (filter) {
tracepoint->internal_filter.filter = strdup(filter);
- if (tracepoint->internal_filter.filter == NULL) {
+ if (tracepoint->internal_filter.filter == nullptr) {
ret_code = LTTNG_ERR_NOMEM;
goto error;
}
} else {
- tracepoint->internal_filter.filter = NULL;
+ tracepoint->internal_filter.filter = nullptr;
}
- if (tracepoint->internal_filter.filter == NULL) {
+ if (tracepoint->internal_filter.filter == nullptr) {
ret_code = LTTNG_OK;
goto end;
}
- ret = run_as_generate_filter_bytecode(
- tracepoint->internal_filter.filter, creds,
- &bytecode);
+ ret = run_as_generate_filter_bytecode(tracepoint->internal_filter.filter, creds, &bytecode);
if (ret) {
ret_code = LTTNG_ERR_FILTER_INVAL;
goto end;
}
tracepoint->internal_filter.bytecode = bytecode;
- bytecode = NULL;
+ bytecode = nullptr;
ret_code = LTTNG_OK;
error:
return ret_code;
}
-static const char *lttng_event_rule_kernel_tracepoint_get_internal_filter(
- const struct lttng_event_rule *rule)
+static const char *
+lttng_event_rule_kernel_tracepoint_get_internal_filter(const struct lttng_event_rule *rule)
{
struct lttng_event_rule_kernel_tracepoint *tracepoint;
LTTNG_ASSERT(rule);
- tracepoint = container_of(
- rule, struct lttng_event_rule_kernel_tracepoint, parent);
+ tracepoint = lttng::utils::container_of(rule, <tng_event_rule_kernel_tracepoint::parent);
return tracepoint->internal_filter.filter;
}
static const struct lttng_bytecode *
-lttng_event_rule_kernel_tracepoint_get_internal_filter_bytecode(
- const struct lttng_event_rule *rule)
+lttng_event_rule_kernel_tracepoint_get_internal_filter_bytecode(const struct lttng_event_rule *rule)
{
struct lttng_event_rule_kernel_tracepoint *tracepoint;
LTTNG_ASSERT(rule);
- tracepoint = container_of(
- rule, struct lttng_event_rule_kernel_tracepoint, parent);
+ tracepoint = lttng::utils::container_of(rule, <tng_event_rule_kernel_tracepoint::parent);
return tracepoint->internal_filter.bytecode;
}
static enum lttng_event_rule_generate_exclusions_status
-lttng_event_rule_kernel_tracepoint_generate_exclusions(
- const struct lttng_event_rule *rule __attribute__((unused)),
- struct lttng_event_exclusion **_exclusions)
+lttng_event_rule_kernel_tracepoint_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_tracepoint_hash(
- const struct lttng_event_rule *rule)
+static unsigned long lttng_event_rule_kernel_tracepoint_hash(const struct lttng_event_rule *rule)
{
unsigned long hash;
struct lttng_event_rule_kernel_tracepoint *tp_rule =
- container_of(rule, typeof(*tp_rule), parent);
+ lttng::utils::container_of(rule, <tng_event_rule_kernel_tracepoint::parent);
- hash = hash_key_ulong((void *) LTTNG_EVENT_RULE_TYPE_KERNEL_TRACEPOINT,
- lttng_ht_seed);
+ hash = hash_key_ulong((void *) LTTNG_EVENT_RULE_TYPE_KERNEL_TRACEPOINT, lttng_ht_seed);
hash ^= hash_key_str(tp_rule->pattern, lttng_ht_seed);
if (tp_rule->filter_expression) {
return hash;
}
-static enum lttng_error_code lttng_event_rule_kernel_tracepoint_mi_serialize(
- const struct lttng_event_rule *rule, struct mi_writer *writer)
+static enum lttng_error_code
+lttng_event_rule_kernel_tracepoint_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 *filter = NULL;
- const char *name_pattern = NULL;
+ const char *filter = nullptr;
+ const char *name_pattern = nullptr;
LTTNG_ASSERT(rule);
LTTNG_ASSERT(writer);
LTTNG_ASSERT(IS_KERNEL_TRACEPOINT_EVENT_RULE(rule));
- status = lttng_event_rule_kernel_tracepoint_get_name_pattern(
- rule, &name_pattern);
+ status = lttng_event_rule_kernel_tracepoint_get_name_pattern(rule, &name_pattern);
LTTNG_ASSERT(status == LTTNG_EVENT_RULE_STATUS_OK);
LTTNG_ASSERT(name_pattern);
status = lttng_event_rule_kernel_tracepoint_get_filter(rule, &filter);
LTTNG_ASSERT(status == LTTNG_EVENT_RULE_STATUS_OK ||
- status == LTTNG_EVENT_RULE_STATUS_UNSET);
+ status == LTTNG_EVENT_RULE_STATUS_UNSET);
/* Open event rule kernel tracepoint element. */
- ret = mi_lttng_writer_open_element(
- writer, mi_lttng_element_event_rule_kernel_tracepoint);
+ ret = mi_lttng_writer_open_element(writer, mi_lttng_element_event_rule_kernel_tracepoint);
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_tracepoint_create(void)
{
- struct lttng_event_rule *rule = NULL;
+ struct lttng_event_rule *rule = nullptr;
struct lttng_event_rule_kernel_tracepoint *tp_rule;
enum lttng_event_rule_status status;
- tp_rule = (lttng_event_rule_kernel_tracepoint *) zmalloc(sizeof(struct lttng_event_rule_kernel_tracepoint));
+ tp_rule = zmalloc<lttng_event_rule_kernel_tracepoint>();
if (!tp_rule) {
goto end;
}
tp_rule->parent.equal = lttng_event_rule_kernel_tracepoint_is_equal;
tp_rule->parent.destroy = lttng_event_rule_kernel_tracepoint_destroy;
tp_rule->parent.generate_filter_bytecode =
- lttng_event_rule_kernel_tracepoint_generate_filter_bytecode;
- tp_rule->parent.get_filter =
- lttng_event_rule_kernel_tracepoint_get_internal_filter;
+ lttng_event_rule_kernel_tracepoint_generate_filter_bytecode;
+ tp_rule->parent.get_filter = lttng_event_rule_kernel_tracepoint_get_internal_filter;
tp_rule->parent.get_filter_bytecode =
- lttng_event_rule_kernel_tracepoint_get_internal_filter_bytecode;
+ lttng_event_rule_kernel_tracepoint_get_internal_filter_bytecode;
tp_rule->parent.generate_exclusions =
- lttng_event_rule_kernel_tracepoint_generate_exclusions;
+ lttng_event_rule_kernel_tracepoint_generate_exclusions;
tp_rule->parent.hash = lttng_event_rule_kernel_tracepoint_hash;
tp_rule->parent.mi_serialize = lttng_event_rule_kernel_tracepoint_mi_serialize;
/* Not necessary for now. */
- tp_rule->parent.generate_lttng_event = NULL;
+ tp_rule->parent.generate_lttng_event = nullptr;
/* Default pattern is '*'. */
status = lttng_event_rule_kernel_tracepoint_set_name_pattern(rule, "*");
if (status != LTTNG_EVENT_RULE_STATUS_OK) {
lttng_event_rule_destroy(rule);
- rule = NULL;
+ rule = nullptr;
}
end:
return rule;
}
-ssize_t lttng_event_rule_kernel_tracepoint_create_from_payload(
- struct lttng_payload_view *view,
- struct lttng_event_rule **_event_rule)
+ssize_t
+lttng_event_rule_kernel_tracepoint_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_tracepoint_comm *tracepoint_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(*tracepoint_comm));
+ current_buffer_view =
+ lttng_buffer_view_from_view(&view->buffer, offset, sizeof(*tracepoint_comm));
if (!lttng_buffer_view_is_valid(¤t_buffer_view)) {
ERR("Failed to initialize from malformed event rule kernel tracepoint: buffer too short to contain header.");
ret = -1;
offset += current_buffer_view.size;
/* Map the pattern. */
- current_buffer_view = lttng_buffer_view_from_view(
- &view->buffer, offset, tracepoint_comm->pattern_len);
+ current_buffer_view =
+ lttng_buffer_view_from_view(&view->buffer, offset, tracepoint_comm->pattern_len);
if (!lttng_buffer_view_is_valid(¤t_buffer_view)) {
ret = -1;
}
pattern = current_buffer_view.data;
- if (!lttng_buffer_view_contains_string(¤t_buffer_view, pattern,
- tracepoint_comm->pattern_len)) {
+ if (!lttng_buffer_view_contains_string(
+ ¤t_buffer_view, pattern, tracepoint_comm->pattern_len)) {
ret = -1;
goto end;
}
}
/* Map the filter_expression. */
- current_buffer_view = lttng_buffer_view_from_view(&view->buffer, offset,
- tracepoint_comm->filter_expression_len);
+ current_buffer_view = lttng_buffer_view_from_view(
+ &view->buffer, offset, tracepoint_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,
- tracepoint_comm->filter_expression_len)) {
+ filter_expression,
+ tracepoint_comm->filter_expression_len)) {
ret = -1;
goto end;
}
}
if (filter_expression) {
- status = lttng_event_rule_kernel_tracepoint_set_filter(
- rule, filter_expression);
+ status = lttng_event_rule_kernel_tracepoint_set_filter(rule, filter_expression);
if (status != LTTNG_EVENT_RULE_STATUS_OK) {
ERR("Failed to set event rule kernel tracepoint 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_tracepoint_set_name_pattern(
- struct lttng_event_rule *rule, const char *pattern)
+enum lttng_event_rule_status
+lttng_event_rule_kernel_tracepoint_set_name_pattern(struct lttng_event_rule *rule,
+ const char *pattern)
{
- char *pattern_copy = NULL;
+ char *pattern_copy = nullptr;
struct lttng_event_rule_kernel_tracepoint *tracepoint;
enum lttng_event_rule_status status = LTTNG_EVENT_RULE_STATUS_OK;
- if (!rule || !IS_KERNEL_TRACEPOINT_EVENT_RULE(rule) || !pattern ||
- strlen(pattern) == 0) {
+ if (!rule || !IS_KERNEL_TRACEPOINT_EVENT_RULE(rule) || !pattern || strlen(pattern) == 0) {
status = LTTNG_EVENT_RULE_STATUS_INVALID;
goto end;
}
- tracepoint = container_of(
- rule, struct lttng_event_rule_kernel_tracepoint, parent);
+ tracepoint = lttng::utils::container_of(rule, <tng_event_rule_kernel_tracepoint::parent);
pattern_copy = strdup(pattern);
if (!pattern_copy) {
status = LTTNG_EVENT_RULE_STATUS_ERROR;
free(tracepoint->pattern);
tracepoint->pattern = pattern_copy;
- pattern_copy = NULL;
+ pattern_copy = nullptr;
end:
return status;
}
-enum lttng_event_rule_status lttng_event_rule_kernel_tracepoint_get_name_pattern(
- const struct lttng_event_rule *rule, const char **pattern)
+enum lttng_event_rule_status
+lttng_event_rule_kernel_tracepoint_get_name_pattern(const struct lttng_event_rule *rule,
+ const char **pattern)
{
struct lttng_event_rule_kernel_tracepoint *tracepoint;
enum lttng_event_rule_status status = LTTNG_EVENT_RULE_STATUS_OK;
goto end;
}
- tracepoint = container_of(
- rule, struct lttng_event_rule_kernel_tracepoint, parent);
+ tracepoint = lttng::utils::container_of(rule, <tng_event_rule_kernel_tracepoint::parent);
if (!tracepoint->pattern) {
status = LTTNG_EVENT_RULE_STATUS_UNSET;
goto end;
return status;
}
-enum lttng_event_rule_status lttng_event_rule_kernel_tracepoint_set_filter(
- struct lttng_event_rule *rule, const char *expression)
+enum lttng_event_rule_status
+lttng_event_rule_kernel_tracepoint_set_filter(struct lttng_event_rule *rule, const char *expression)
{
- char *expression_copy = NULL;
+ char *expression_copy = nullptr;
struct lttng_event_rule_kernel_tracepoint *tracepoint;
enum lttng_event_rule_status status = LTTNG_EVENT_RULE_STATUS_OK;
if (!rule || !IS_KERNEL_TRACEPOINT_EVENT_RULE(rule) || !expression ||
- strlen(expression) == 0) {
+ strlen(expression) == 0) {
status = LTTNG_EVENT_RULE_STATUS_INVALID;
goto end;
}
- tracepoint = container_of(
- rule, struct lttng_event_rule_kernel_tracepoint, parent);
+ tracepoint = lttng::utils::container_of(rule, <tng_event_rule_kernel_tracepoint::parent);
expression_copy = strdup(expression);
if (!expression_copy) {
PERROR("Failed to copy filter expression");
}
tracepoint->filter_expression = expression_copy;
- expression_copy = NULL;
+ expression_copy = nullptr;
end:
return status;
}
-enum lttng_event_rule_status lttng_event_rule_kernel_tracepoint_get_filter(
- const struct lttng_event_rule *rule, const char **expression)
+enum lttng_event_rule_status
+lttng_event_rule_kernel_tracepoint_get_filter(const struct lttng_event_rule *rule,
+ const char **expression)
{
struct lttng_event_rule_kernel_tracepoint *tracepoint;
enum lttng_event_rule_status status = LTTNG_EVENT_RULE_STATUS_OK;
goto end;
}
- tracepoint = container_of(
- rule, struct lttng_event_rule_kernel_tracepoint, parent);
+ tracepoint = lttng::utils::container_of(rule, <tng_event_rule_kernel_tracepoint::parent);
if (!tracepoint->filter_expression) {
status = LTTNG_EVENT_RULE_STATUS_UNSET;
goto end;
projects / lttng-tools.git / blobdiff