| 1 | /* |
| 2 | * Copyright (C) 2019 Simon Marchi <simon.marchi@efficios.com> |
| 3 | * |
| 4 | * SPDX-License-Identifier: LGPL-2.1-only |
| 5 | * |
| 6 | */ |
| 7 | |
| 8 | #ifndef LTTNG_ACTION_LIST_INTERNAL_H |
| 9 | #define LTTNG_ACTION_LIST_INTERNAL_H |
| 10 | |
| 11 | #include <common/container-wrapper.hpp> |
| 12 | #include <common/exception.hpp> |
| 13 | #include <common/format.hpp> |
| 14 | #include <common/macros.hpp> |
| 15 | |
| 16 | #include <lttng/lttng.h> |
| 17 | |
| 18 | #include <assert.h> |
| 19 | #include <sys/types.h> |
| 20 | |
| 21 | struct lttng_action; |
| 22 | struct lttng_payload_view; |
| 23 | struct mi_writer; |
| 24 | struct mi_lttng_error_query_callbacks; |
| 25 | struct lttng_dynamic_array; |
| 26 | struct lttng_trigger; |
| 27 | |
| 28 | /* |
| 29 | * Create an action list from a payload view. |
| 30 | * |
| 31 | * On success, return the number of bytes consumed from `view`, and the created |
| 32 | * list in `*list`. On failure, return -1. |
| 33 | */ |
| 34 | extern ssize_t lttng_action_list_create_from_payload(struct lttng_payload_view *view, |
| 35 | struct lttng_action **list); |
| 36 | |
| 37 | extern struct lttng_action * |
| 38 | lttng_action_list_borrow_mutable_at_index(const struct lttng_action *list, unsigned int index); |
| 39 | |
| 40 | enum lttng_error_code |
| 41 | lttng_action_list_mi_serialize(const struct lttng_trigger *trigger, |
| 42 | const struct lttng_action *action, |
| 43 | struct mi_writer *writer, |
| 44 | const struct mi_lttng_error_query_callbacks *error_query_callbacks, |
| 45 | struct lttng_dynamic_array *action_path_indexes); |
| 46 | |
| 47 | namespace lttng { |
| 48 | namespace ctl { |
| 49 | namespace details { |
| 50 | class action_list_operations { |
| 51 | public: |
| 52 | static lttng_action *get(const lttng_action *list, std::size_t index) noexcept |
| 53 | { |
| 54 | return lttng_action_list_borrow_mutable_at_index(list, index); |
| 55 | } |
| 56 | |
| 57 | static std::size_t size(const lttng_action *list) |
| 58 | { |
| 59 | unsigned int count; |
| 60 | const auto status = lttng_action_list_get_count(list, &count); |
| 61 | |
| 62 | if (status != LTTNG_ACTION_STATUS_OK) { |
| 63 | LTTNG_THROW_INVALID_ARGUMENT_ERROR( |
| 64 | "Failed to get action list element count"); |
| 65 | } |
| 66 | |
| 67 | return count; |
| 68 | } |
| 69 | }; |
| 70 | |
| 71 | class const_action_list_operations { |
| 72 | public: |
| 73 | static const lttng_action *get(const lttng_action *list, std::size_t index) noexcept |
| 74 | { |
| 75 | return lttng_action_list_get_at_index(list, index); |
| 76 | } |
| 77 | |
| 78 | static std::size_t size(const lttng_action *list) |
| 79 | { |
| 80 | return action_list_operations::size(list); |
| 81 | } |
| 82 | }; |
| 83 | } /* namespace details */ |
| 84 | |
| 85 | using action_list_view = utils::random_access_container_wrapper<const lttng_action *, |
| 86 | lttng_action *, |
| 87 | details::action_list_operations>; |
| 88 | |
| 89 | using const_action_list_view = |
| 90 | utils::random_access_container_wrapper<const lttng_action *, |
| 91 | const lttng_action *, |
| 92 | details::const_action_list_operations>; |
| 93 | |
| 94 | } /* namespace ctl */ |
| 95 | } /* namespace lttng */ |
| 96 | |
| 97 | #endif /* LTTNG_ACTION_LIST_INTERNAL_H */ |