Rename uprobe files to userspace-probe

[lttng-tools.git] / src / common / event-rule / event-rule.c

diff --git a/src/common/event-rule/event-rule.c b/src/common/event-rule/event-rule.c
index e5736d6f9288e8eb716464f6ef4ffeb77c2ce692..dfb8febfe49dd78c3c0d40e29d5d598d73e3980e 100644 (file)
--- a/src/common/event-rule/event-rule.c
+++ b/src/common/event-rule/event-rule.c
@@ -11,8 +11,13 @@
 #include <common/macros.h>
 #include <common/payload.h>
 #include <common/payload-view.h>
+#include <common/hashtable/hashtable.h>
+#include <common/hashtable/utils.h>
 #include <lttng/event-rule/event-rule-internal.h>
-#include <lttng/event-rule/kprobe-internal.h>
+#include <lttng/event-rule/kernel-probe-internal.h>
+#include <lttng/event-rule/syscall-internal.h>
+#include <lttng/event-rule/tracepoint-internal.h>
+#include <lttng/event-rule/userspace-probe-internal.h>
 #include <stdbool.h>
 
 enum lttng_event_rule_type lttng_event_rule_get_type(
@@ -29,13 +34,16 @@ enum lttng_domain_type lttng_event_rule_get_domain_type(
 
        switch (lttng_event_rule_get_type(event_rule)) {
        case LTTNG_EVENT_RULE_TYPE_TRACEPOINT:
-               /* TODO */
-               domain_type = LTTNG_DOMAIN_NONE;
+       {
+               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);
                break;
+       }
        case LTTNG_EVENT_RULE_TYPE_SYSCALL:
-       case LTTNG_EVENT_RULE_TYPE_KPROBE:
+       case LTTNG_EVENT_RULE_TYPE_KERNEL_PROBE:
        case LTTNG_EVENT_RULE_TYPE_KRETPROBE:
-       case LTTNG_EVENT_RULE_TYPE_UPROBE:
+       case LTTNG_EVENT_RULE_TYPE_USERSPACE_PROBE:
                domain_type = LTTNG_DOMAIN_KERNEL;
                break;
        case LTTNG_EVENT_RULE_TYPE_UNKNOWN:
@@ -139,33 +147,43 @@ ssize_t lttng_event_rule_create_from_payload(
                struct lttng_event_rule **event_rule)
 {
        ssize_t ret, consumed = 0;
-       const struct lttng_event_rule_comm *event_rule_comm;
        event_rule_create_from_payload_cb create_from_payload = NULL;
+       const struct lttng_event_rule_comm *event_rule_comm;
+       const struct lttng_payload_view event_rule_comm_view =
+                       lttng_payload_view_from_view(
+                                       view, 0, sizeof(*event_rule_comm));
 
        if (!view || !event_rule) {
                ret = -1;
                goto end;
        }
 
-       DBG("Deserializing event_rule from payload.");
-       event_rule_comm = (const struct lttng_event_rule_comm *) view->buffer.data;
+       if (!lttng_payload_view_is_valid(&event_rule_comm_view)) {
+               ret = -1;
+               goto end;
+       }
+
+       DBG("Deserializing event_rule from payload");
+       event_rule_comm = (const struct lttng_event_rule_comm *) event_rule_comm_view.buffer.data;
        consumed += sizeof(*event_rule_comm);
 
        switch ((enum lttng_event_rule_type) event_rule_comm->event_rule_type) {
        case LTTNG_EVENT_RULE_TYPE_TRACEPOINT:
-               /* TODO */
+               create_from_payload =
+                               lttng_event_rule_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_KERNEL_PROBE:
+               create_from_payload = lttng_event_rule_kernel_probe_create_from_payload;
                break;
        case LTTNG_EVENT_RULE_TYPE_KRETPROBE:
                /* TODO */
                break;
-       case LTTNG_EVENT_RULE_TYPE_UPROBE:
-               /* TODO */
+       case LTTNG_EVENT_RULE_TYPE_USERSPACE_PROBE:
+               create_from_payload = lttng_event_rule_userspace_probe_create_from_payload;
                break;
        case LTTNG_EVENT_RULE_TYPE_SYSCALL:
-               /* TODO */
+               create_from_payload =
+                               lttng_event_rule_syscall_create_from_payload;
                break;
        default:
                ERR("Attempted to create event rule of unknown type (%i)",
@@ -226,10 +244,11 @@ void lttng_event_rule_put(struct lttng_event_rule *event_rule)
 
 LTTNG_HIDDEN
 enum lttng_error_code lttng_event_rule_generate_filter_bytecode(
-               struct lttng_event_rule *rule, uid_t uid, gid_t gid)
+               struct lttng_event_rule *rule,
+               const struct lttng_credentials *creds)
 {
        assert(rule->generate_filter_bytecode);
-       return rule->generate_filter_bytecode(rule, uid, gid);
+       return rule->generate_filter_bytecode(rule, creds);
 }
 
 LTTNG_HIDDEN
@@ -240,7 +259,7 @@ const char *lttng_event_rule_get_filter(const struct lttng_event_rule *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);
@@ -248,14 +267,45 @@ const struct lttng_filter_bytecode *lttng_event_rule_get_filter_bytecode(
 }
 
 LTTNG_HIDDEN
-struct lttng_event_exclusion *lttng_event_rule_generate_exclusions(
-               const struct lttng_event_rule *rule)
+enum lttng_event_rule_generate_exclusions_status
+lttng_event_rule_generate_exclusions(const struct lttng_event_rule *rule,
+               struct lttng_event_exclusion **exclusions)
 {
        assert(rule->generate_exclusions);
-       return rule->generate_exclusions(rule);
+       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_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) {
@@ -265,13 +315,20 @@ const char *lttng_event_rule_type_str(enum lttng_event_rule_type type)
                return "tracepoint";
        case LTTNG_EVENT_RULE_TYPE_SYSCALL:
                return "syscall";
-       case LTTNG_EVENT_RULE_TYPE_KPROBE:
+       case LTTNG_EVENT_RULE_TYPE_KERNEL_PROBE:
                return "probe";
        case LTTNG_EVENT_RULE_TYPE_KRETPROBE:
                return "function";
-       case LTTNG_EVENT_RULE_TYPE_UPROBE:
+       case LTTNG_EVENT_RULE_TYPE_USERSPACE_PROBE:
                return "userspace-probe";
        default:
                abort();
        }
 }
+
+LTTNG_HIDDEN
+unsigned long lttng_event_rule_hash(const struct lttng_event_rule *rule)
+{
+       assert(rule->hash);
+       return rule->hash(rule);
+}