Force usage of assert() condition when NDEBUG is defined
[lttng-tools.git] / src / common / event-rule / event-rule.c
index 627674ba90026a84cb912aa407b2a4909465f8e0..144000e0b2503c97f0295da0c9f63c41eda4565e 100644 (file)
@@ -6,16 +6,22 @@
  *
  */
 
-#include <assert.h>
 #include <common/error.h>
+#include <common/hashtable/hashtable.h>
+#include <common/hashtable/utils.h>
 #include <common/macros.h>
-#include <common/payload.h>
+#include <common/mi-lttng.h>
 #include <common/payload-view.h>
+#include <common/payload.h>
 #include <lttng/event-rule/event-rule-internal.h>
-#include <lttng/event-rule/kprobe-internal.h>
-#include <lttng/event-rule/syscall-internal.h>
-#include <lttng/event-rule/tracepoint-internal.h>
-#include <lttng/event-rule/uprobe-internal.h>
+#include <lttng/event-rule/jul-logging-internal.h>
+#include <lttng/event-rule/kernel-kprobe-internal.h>
+#include <lttng/event-rule/kernel-syscall-internal.h>
+#include <lttng/event-rule/kernel-tracepoint-internal.h>
+#include <lttng/event-rule/kernel-uprobe-internal.h>
+#include <lttng/event-rule/log4j-logging-internal.h>
+#include <lttng/event-rule/python-logging-internal.h>
+#include <lttng/event-rule/user-tracepoint-internal.h>
 #include <stdbool.h>
 
 enum lttng_event_rule_type lttng_event_rule_get_type(
@@ -31,17 +37,22 @@ enum lttng_domain_type lttng_event_rule_get_domain_type(
        enum lttng_domain_type domain_type = LTTNG_DOMAIN_NONE;
 
        switch (lttng_event_rule_get_type(event_rule)) {
-       case LTTNG_EVENT_RULE_TYPE_TRACEPOINT:
-       {
-               enum lttng_event_rule_status status;
-               status = lttng_event_rule_tracepoint_get_domain_type(event_rule, &domain_type);
-               assert(status == LTTNG_EVENT_RULE_STATUS_OK);
+       case LTTNG_EVENT_RULE_TYPE_USER_TRACEPOINT:
+               domain_type = LTTNG_DOMAIN_UST;
                break;
-       }
-       case LTTNG_EVENT_RULE_TYPE_SYSCALL:
-       case LTTNG_EVENT_RULE_TYPE_KPROBE:
-       case LTTNG_EVENT_RULE_TYPE_KRETPROBE:
-       case LTTNG_EVENT_RULE_TYPE_UPROBE:
+       case LTTNG_EVENT_RULE_TYPE_JUL_LOGGING:
+               domain_type = LTTNG_DOMAIN_JUL;
+               break;
+       case LTTNG_EVENT_RULE_TYPE_LOG4J_LOGGING:
+               domain_type = LTTNG_DOMAIN_LOG4J;
+               break;
+       case LTTNG_EVENT_RULE_TYPE_PYTHON_LOGGING:
+               domain_type = LTTNG_DOMAIN_PYTHON;
+               break;
+       case LTTNG_EVENT_RULE_TYPE_KERNEL_SYSCALL:
+       case LTTNG_EVENT_RULE_TYPE_KERNEL_KPROBE:
+       case LTTNG_EVENT_RULE_TYPE_KERNEL_UPROBE:
+       case LTTNG_EVENT_RULE_TYPE_KERNEL_TRACEPOINT:
                domain_type = LTTNG_DOMAIN_KERNEL;
                break;
        case LTTNG_EVENT_RULE_TYPE_UNKNOWN:
@@ -57,7 +68,7 @@ static void lttng_event_rule_release(struct urcu_ref *ref)
        struct lttng_event_rule *event_rule =
                        container_of(ref, typeof(*event_rule), ref);
 
-       assert(event_rule->destroy);
+       LTTNG_ASSERT(event_rule->destroy);
        event_rule->destroy(event_rule);
 }
 
@@ -166,22 +177,35 @@ ssize_t lttng_event_rule_create_from_payload(
        consumed += sizeof(*event_rule_comm);
 
        switch ((enum lttng_event_rule_type) event_rule_comm->event_rule_type) {
-       case LTTNG_EVENT_RULE_TYPE_TRACEPOINT:
+       case LTTNG_EVENT_RULE_TYPE_KERNEL_KPROBE:
+               create_from_payload = lttng_event_rule_kernel_kprobe_create_from_payload;
+               break;
+       case LTTNG_EVENT_RULE_TYPE_KERNEL_UPROBE:
+               create_from_payload = lttng_event_rule_kernel_uprobe_create_from_payload;
+               break;
+       case LTTNG_EVENT_RULE_TYPE_KERNEL_SYSCALL:
+               create_from_payload =
+                               lttng_event_rule_kernel_syscall_create_from_payload;
+               break;
+       case LTTNG_EVENT_RULE_TYPE_KERNEL_TRACEPOINT:
                create_from_payload =
-                               lttng_event_rule_tracepoint_create_from_payload;
+                               lttng_event_rule_kernel_tracepoint_create_from_payload;
                break;
-       case LTTNG_EVENT_RULE_TYPE_KPROBE:
-               create_from_payload = lttng_event_rule_kprobe_create_from_payload;
+       case LTTNG_EVENT_RULE_TYPE_USER_TRACEPOINT:
+               create_from_payload =
+                               lttng_event_rule_user_tracepoint_create_from_payload;
                break;
-       case LTTNG_EVENT_RULE_TYPE_KRETPROBE:
-               /* TODO */
+       case LTTNG_EVENT_RULE_TYPE_JUL_LOGGING:
+               create_from_payload =
+                               lttng_event_rule_jul_logging_create_from_payload;
                break;
-       case LTTNG_EVENT_RULE_TYPE_UPROBE:
-               create_from_payload = lttng_event_rule_uprobe_create_from_payload;
+       case LTTNG_EVENT_RULE_TYPE_LOG4J_LOGGING:
+               create_from_payload =
+                               lttng_event_rule_log4j_logging_create_from_payload;
                break;
-       case LTTNG_EVENT_RULE_TYPE_SYSCALL:
+       case LTTNG_EVENT_RULE_TYPE_PYTHON_LOGGING:
                create_from_payload =
-                               lttng_event_rule_syscall_create_from_payload;
+                               lttng_event_rule_python_logging_create_from_payload;
                break;
        default:
                ERR("Attempted to create event rule of unknown type (%i)",
@@ -190,7 +214,7 @@ ssize_t lttng_event_rule_create_from_payload(
                goto end;
        }
 
-       assert(create_from_payload);
+       LTTNG_ASSERT(create_from_payload);
 
        {
                struct lttng_payload_view child_view =
@@ -236,7 +260,7 @@ void lttng_event_rule_put(struct lttng_event_rule *event_rule)
                return;
        }
 
-       assert(event_rule->ref.refcount);
+       LTTNG_ASSERT(event_rule->ref.refcount);
        urcu_ref_put(&event_rule->ref, lttng_event_rule_release);
 }
 
@@ -245,50 +269,133 @@ enum lttng_error_code lttng_event_rule_generate_filter_bytecode(
                struct lttng_event_rule *rule,
                const struct lttng_credentials *creds)
 {
-       assert(rule->generate_filter_bytecode);
+       LTTNG_ASSERT(rule->generate_filter_bytecode);
        return rule->generate_filter_bytecode(rule, creds);
 }
 
 LTTNG_HIDDEN
 const char *lttng_event_rule_get_filter(const struct lttng_event_rule *rule)
 {
-       assert(rule->get_filter);
+       LTTNG_ASSERT(rule->get_filter);
        return rule->get_filter(rule);
 }
 
 LTTNG_HIDDEN
-const struct lttng_filter_bytecode *lttng_event_rule_get_filter_bytecode(
+const struct lttng_bytecode *lttng_event_rule_get_filter_bytecode(
                const struct lttng_event_rule *rule)
 {
-       assert(rule->get_filter_bytecode);
+       LTTNG_ASSERT(rule->get_filter_bytecode);
        return rule->get_filter_bytecode(rule);
 }
 
 LTTNG_HIDDEN
-struct lttng_event_exclusion *lttng_event_rule_generate_exclusions(
+enum lttng_event_rule_generate_exclusions_status
+lttng_event_rule_generate_exclusions(const struct lttng_event_rule *rule,
+               struct lttng_event_exclusion **exclusions)
+{
+       LTTNG_ASSERT(rule->generate_exclusions);
+       return rule->generate_exclusions(rule, exclusions);
+}
+
+LTTNG_HIDDEN
+struct lttng_event *lttng_event_rule_generate_lttng_event(
                const struct lttng_event_rule *rule)
 {
-       assert(rule->generate_exclusions);
-       return rule->generate_exclusions(rule);
+       LTTNG_ASSERT(rule->generate_lttng_event);
+       return rule->generate_lttng_event(rule);
 }
 
 LTTNG_HIDDEN
+bool lttng_event_rule_targets_agent_domain(const struct lttng_event_rule *rule)
+{
+       bool targets_agent_domain = false;
+       enum lttng_domain_type type = lttng_event_rule_get_domain_type(rule);
+
+       switch (type) {
+       case LTTNG_DOMAIN_JUL:
+       case LTTNG_DOMAIN_LOG4J:
+       case LTTNG_DOMAIN_PYTHON:
+               targets_agent_domain = true;
+               break;
+       case LTTNG_DOMAIN_UST:
+       case LTTNG_DOMAIN_KERNEL:
+               targets_agent_domain = false;
+               break;
+       default:
+               abort();
+       };
+
+       return targets_agent_domain;
+}
+
 const char *lttng_event_rule_type_str(enum lttng_event_rule_type type)
 {
        switch (type) {
        case LTTNG_EVENT_RULE_TYPE_UNKNOWN:
                return "unknown";
-       case LTTNG_EVENT_RULE_TYPE_TRACEPOINT:
-               return "tracepoint";
-       case LTTNG_EVENT_RULE_TYPE_SYSCALL:
-               return "syscall";
-       case LTTNG_EVENT_RULE_TYPE_KPROBE:
-               return "probe";
-       case LTTNG_EVENT_RULE_TYPE_KRETPROBE:
-               return "function";
-       case LTTNG_EVENT_RULE_TYPE_UPROBE:
-               return "userspace-probe";
+       case LTTNG_EVENT_RULE_TYPE_KERNEL_SYSCALL:
+               return "kernel syscall";
+       case LTTNG_EVENT_RULE_TYPE_KERNEL_KPROBE:
+               return "kernel kprobe";
+       case LTTNG_EVENT_RULE_TYPE_KERNEL_UPROBE:
+               return "kernel uprobe";
+       case LTTNG_EVENT_RULE_TYPE_KERNEL_TRACEPOINT:
+               return "kernel tracepoint";
+       case LTTNG_EVENT_RULE_TYPE_USER_TRACEPOINT:
+               return "user tracepoint";
+       case LTTNG_EVENT_RULE_TYPE_JUL_LOGGING:
+               return "jul logging";
+       case LTTNG_EVENT_RULE_TYPE_LOG4J_LOGGING:
+               return "log4j logging";
+       case LTTNG_EVENT_RULE_TYPE_PYTHON_LOGGING:
+               return "python logging";
+
        default:
                abort();
        }
 }
+
+LTTNG_HIDDEN
+unsigned long lttng_event_rule_hash(const struct lttng_event_rule *rule)
+{
+       LTTNG_ASSERT(rule->hash);
+       return rule->hash(rule);
+}
+
+LTTNG_HIDDEN
+enum lttng_error_code lttng_event_rule_mi_serialize(
+               const struct lttng_event_rule *rule, struct mi_writer *writer)
+{
+       int ret;
+       enum lttng_error_code ret_code;
+
+       LTTNG_ASSERT(rule);
+       LTTNG_ASSERT(writer);
+       LTTNG_ASSERT(rule->mi_serialize);
+
+       /* Open event rule element. */
+       ret = mi_lttng_writer_open_element(writer, mi_lttng_element_event_rule);
+       if (ret) {
+               goto mi_error;
+       }
+
+       /* Serialize underlying event rule. */
+       ret_code = rule->mi_serialize(rule, writer);
+       if (ret_code != LTTNG_OK) {
+               goto end;
+       }
+
+       /* Close event rule element. */
+       ret = mi_lttng_writer_close_element(writer);
+       if (ret) {
+               goto mi_error;
+       }
+
+       ret_code = LTTNG_OK;
+       goto end;
+
+mi_error:
+       ret_code = LTTNG_ERR_MI_IO_FAIL;
+end:
+       return ret_code;
+}
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