+++ /dev/null
-/*
- * event-internal.h
- *
- * Linux Trace Toolkit Control Library
- *
- * Copyright (C) 2017 Jérémie Galarneau <jeremie.galarneau@efficios.com>
- *
- * SPDX-License-Identifier: LGPL-2.1-only
- *
- */
-
-#ifndef LTTNG_EVENT_INTERNAL_H
-#define LTTNG_EVENT_INTERNAL_H
-
-#include <common/macros.h>
-#include <lttng/event.h>
-#include <lttng/lttng-error.h>
-
-struct lttng_event_exclusion;
-struct lttng_userspace_probe_location;
-struct lttng_dynamic_buffer;
-struct lttng_buffer_view;
-
-struct lttng_event_comm {
- int8_t event_type;
- int8_t loglevel_type;
- int32_t loglevel;
- int8_t enabled;
- int32_t pid;
- uint32_t flags;
-
- /* Payload. */
- /* Includes terminator `\0`. */
- uint32_t name_len;
- uint32_t exclusion_count;
- /* Includes terminator `\0`. */
- uint32_t filter_expression_len;
- uint32_t bytecode_len;
-
- /* Type specific payload. */
- uint32_t userspace_probe_location_len;
- uint32_t lttng_event_probe_attr_len;
- uint32_t lttng_event_function_attr_len;
-
- /*
- * Contain:
- * - name [name_len],
- * - exclusions if any
- * - char filter_expression[filter_expression_len],
- * - unsigned char filter_bytecode[bytecode_len],
- * - userspace probe location [userspace_probe_location_len],
- * - probe or ftrace based on event type.
- */
-
- char payload[];
-} LTTNG_PACKED;
-
-struct lttng_event_exclusion_comm {
- /* Includes terminator `\0`. */
- uint32_t len;
- char payload [];
-} LTTNG_PACKED;
-
-struct lttng_event_probe_attr_comm {
- uint64_t addr;
- uint64_t offset;
- /* Includes terminator `\0`. */
- uint32_t symbol_name_len;
-
- char payload[];
-} LTTNG_PACKED;
-
-struct lttng_event_function_attr_comm {
- /* Includes terminator `\0`. */
- uint32_t symbol_name_len;
-
- char payload[];
-} LTTNG_PACKED;
-
-struct lttng_event_context_comm {
- uint32_t type;
- /*
- * Depending on the type.
- * For:
- * - LTTNG_EVENT_CONTEXT_APP_CONTEXT.
- *
- * -> struct lttng_event_context_app_comm
- *
- * For
- * - LTTNG_EVENT_CONTEXT_PERF_COUNTER,
- * - LTTNG_EVENT_CONTEXT_PERF_CPU_COUNTER,
- * - LTTNG_EVENT_CONTEXT_PERF_THREAD_COUNTER.
- *
- * -> struct lttng_event_context_perf_counter_comm
- *
- * Other type -> no payload.
- */
- char payload[];
-} LTTNG_PACKED;
-
-struct lttng_event_context_perf_counter_comm {
- uint32_t type;
- uint64_t config;
- /* Includes terminator `\0`. */
- uint32_t name_len;
- /*
- * char name [name_len]
- */
- char payload[];
-} LTTNG_PACKED;
-
-struct lttng_event_context_app_comm {
- /* Includes terminator `\0`. */
- uint32_t provider_name_len;
- /* Includes terminator `\0`. */
- uint32_t ctx_name_len;
- /*
- * provider name [provider_name_len]
- * ctx name [ctx_name_len]
- */
- char payload[];
-} LTTNG_PACKED;
-
-struct lttng_event_field_comm {
- uint8_t type;
- uint8_t nowrite;
- /* Includes terminator `\0`. */
- uint32_t name_len;
- uint32_t event_len;
-
- /*
- * - name [name_len]
- * - lttng_event object
- */
- char payload[];
-} LTTNG_PACKED;
-
-struct lttng_event_extended {
- /*
- * exclusions and filter_expression are only set when the lttng_event
- * was created/allocated by a list operation. These two elements must
- * not be free'd as they are part of the same contiguous buffer that
- * contains all events returned by the listing.
- */
- char *filter_expression;
- struct {
- unsigned int count;
- /* Array of strings of fixed LTTNG_SYMBOL_NAME_LEN length. */
- char *strings;
- } exclusions;
- struct lttng_userspace_probe_location *probe_location;
-};
-
-struct lttng_event *lttng_event_copy(const struct lttng_event *event);
-
-ssize_t lttng_event_create_from_payload(struct lttng_payload_view *view,
- struct lttng_event **out_event,
- struct lttng_event_exclusion **out_exclusion,
- char **out_filter_expression,
- struct lttng_bytecode **out_bytecode);
-
-int lttng_event_serialize(const struct lttng_event *event,
- unsigned int exclusion_count,
- char **exclusion_list,
- char *filter_expression,
- size_t bytecode_len,
- struct lttng_bytecode *bytecode,
- struct lttng_payload *payload);
-
-ssize_t lttng_event_context_create_from_payload(
- struct lttng_payload_view *view,
- struct lttng_event_context **event_ctx);
-
-int lttng_event_context_serialize(struct lttng_event_context *context,
- struct lttng_payload *payload);
-
-void lttng_event_context_destroy(struct lttng_event_context *context);
-
-enum lttng_error_code lttng_events_create_and_flatten_from_payload(
- struct lttng_payload_view *view,
- unsigned int count,
- struct lttng_event **events);
-
-ssize_t lttng_event_field_create_from_payload(
- struct lttng_payload_view *view,
- struct lttng_event_field **field);
-
-int lttng_event_field_serialize(const struct lttng_event_field *field,
- struct lttng_payload *payload);
-
-enum lttng_error_code lttng_event_fields_create_and_flatten_from_payload(
- struct lttng_payload_view *view,
- unsigned int count,
- struct lttng_event_field **fields);
-
-#endif /* LTTNG_EVENT_INTERNAL_H */
projects / lttng-tools.git / blobdiff