2 * Copyright (C) 2011 EfficiOS Inc.
4 * SPDX-License-Identifier: GPL-2.0-only
11 #include <common/argpar/argpar.h>
12 #include <common/container-wrapper.hpp>
13 #include <common/dynamic-array.hpp>
14 #include <common/make-unique-wrapper.hpp>
16 #include <lttng/lttng.h>
22 extern char *opt_relayd_path;
23 extern int opt_no_sessiond;
24 extern char *opt_sessiond_path;
25 extern pid_t sessiond_pid;
39 explicit session_spec(type spec_type, const char *name_or_pattern = nullptr) noexcept :
40 type_(spec_type), value(name_or_pattern)
44 /* Disambiguate type enum from the member for buggy g++ versions. */
52 class session_storage {
54 session_storage(lttng_session *raw_sessions, std::size_t sessions_count) :
55 _array(raw_sessions), _count(sessions_count)
59 session_storage(session_storage&& original) :
60 _array(std::move(original._array)), _count(original._count)
64 session_storage(session_storage&& original, std::size_t new_count) :
65 _array(std::move(original._array)), _count(new_count)
69 std::unique_ptr<lttng_session,
70 lttng::memory::create_deleter_class<lttng_session, lttng::free>::deleter>
72 std::size_t _count = 0;
75 class session_list_operations {
77 static lttng_session& get(const lttng::cli::details::session_storage& storage,
78 std::size_t index) noexcept
80 return storage._array.get()[index];
83 static std::size_t size(const lttng::cli::details::session_storage& storage)
85 return storage._count;
88 } /* namespace details */
91 * We don't use a std::vector here because it would make a copy of the C array.
94 : public lttng::utils::random_access_container_wrapper<details::session_storage,
96 details::session_list_operations> {
98 friend details::session_list_operations;
101 lttng::utils::random_access_container_wrapper<details::session_storage,
103 details::session_list_operations>(
108 session_list(session_list&& original) :
109 lttng::utils::random_access_container_wrapper<details::session_storage,
111 details::session_list_operations>(
112 std::move(original._container))
116 session_list(session_list&& original, std::size_t new_count) :
117 lttng::utils::random_access_container_wrapper<details::session_storage,
119 details::session_list_operations>(
120 { std::move(original._container), new_count })
124 session_list(lttng_session *raw_sessions, std::size_t raw_sessions_count) :
125 lttng::utils::random_access_container_wrapper<details::session_storage,
127 details::session_list_operations>(
128 { raw_sessions, raw_sessions_count })
132 void resize(std::size_t new_size) noexcept
134 _container._count = new_size;
138 lttng::cli::session_list list_sessions(const struct session_spec& spec);
139 } /* namespace cli */
140 } /* namespace lttng */
142 char *get_session_name(void);
143 char *get_session_name_quiet(void);
144 void list_commands(struct cmd_struct *commands, FILE *ofp);
145 void list_cmd_options(FILE *ofp, struct poptOption *options);
146 void list_cmd_options_argpar(FILE *ofp, const struct argpar_opt_descr *options);
149 * Return the minimum order for which x <= (1UL << order).
150 * Return -1 if x is 0.
152 int get_count_order_u32(uint32_t x);
155 * Return the minimum order for which x <= (1UL << order).
156 * Return -1 if x is 0.
158 int get_count_order_u64(uint64_t x);
161 * Return the minimum order for which x <= (1UL << order).
162 * Return -1 if x is 0.
164 int get_count_order_ulong(unsigned long x);
166 const char *get_event_type_str(enum lttng_event_type event_type);
168 int print_missing_or_multiple_domains(unsigned int domain_count, bool include_agent_domains);
170 int spawn_relayd(const char *pathname, int port);
171 int check_relayd(void);
172 void print_session_stats(const char *session_name);
173 int get_session_stats_str(const char *session_name, char **str);
174 int show_cmd_help(const char *cmd_name, const char *help_msg);
176 int print_trace_archive_location(const struct lttng_trace_archive_location *location,
177 const char *session_name);
179 int validate_exclusion_list(const char *event_name,
180 const struct lttng_dynamic_pointer_array *exclusions);
182 #endif /* _LTTNG_UTILS_H */