2 * Copyright (C) 2011 EfficiOS Inc.
4 * SPDX-License-Identifier: GPL-2.0-only
11 #include <common/argpar/argpar.h>
12 #include <common/dynamic-array.hpp>
13 #include <common/make-unique-wrapper.hpp>
15 #include <lttng/lttng.h>
21 extern char *opt_relayd_path;
22 extern int opt_no_sessiond;
23 extern char *opt_sessiond_path;
24 extern pid_t sessiond_pid;
40 * We don't use a std::vector here because it would make a copy of the C array.
43 template <typename ContainerType, typename DereferenceReturnType>
44 class iterator_template : public std::iterator<std::random_access_iterator_tag, std::size_t> {
46 explicit iterator_template(ContainerType& list, std::size_t k) : _list(list), _index(k)
50 iterator_template& operator++() noexcept
56 iterator_template& operator--() noexcept
62 iterator_template& operator++(int) noexcept
68 iterator_template& operator--(int) noexcept
74 bool operator==(iterator_template other) const noexcept
76 return _index == other._index;
79 bool operator!=(iterator_template other) const noexcept
81 return !(*this == other);
84 DereferenceReturnType& operator*() const noexcept
94 using iterator = iterator_template<session_list, lttng_session>;
95 using const_iterator = iterator_template<const session_list, const lttng_session>;
98 session_list() : _sessions_count(0), _sessions(nullptr)
102 session_list(session_list&& original, std::size_t new_count)
104 _sessions_count = new_count;
105 _sessions = std::move(original._sessions);
108 session_list(struct lttng_session *raw_sessions, std::size_t raw_sessions_count)
110 _sessions_count = raw_sessions_count;
111 _sessions.reset(raw_sessions);
114 iterator begin() noexcept
116 return iterator(*this, 0);
119 iterator end() noexcept
121 return iterator(*this, _sessions_count);
124 const_iterator begin() const noexcept
126 return const_iterator(*this, 0);
129 const_iterator end() const noexcept
131 return const_iterator(*this, _sessions_count);
134 std::size_t size() const noexcept
136 return _sessions_count;
139 void resize(std::size_t new_size) noexcept
141 _sessions_count = new_size;
144 lttng_session& operator[](std::size_t index)
146 LTTNG_ASSERT(index < _sessions_count);
147 return _sessions.get()[index];
150 const lttng_session& operator[](std::size_t index) const
152 LTTNG_ASSERT(index < _sessions_count);
153 return _sessions.get()[index];
157 std::size_t _sessions_count;
158 std::unique_ptr<lttng_session,
159 lttng::memory::create_deleter_class<lttng_session, lttng::free>::deleter>
163 char *get_session_name(void);
164 char *get_session_name_quiet(void);
165 void list_commands(struct cmd_struct *commands, FILE *ofp);
166 void list_cmd_options(FILE *ofp, struct poptOption *options);
167 void list_cmd_options_argpar(FILE *ofp, const struct argpar_opt_descr *options);
170 * Return the minimum order for which x <= (1UL << order).
171 * Return -1 if x is 0.
173 int get_count_order_u32(uint32_t x);
176 * Return the minimum order for which x <= (1UL << order).
177 * Return -1 if x is 0.
179 int get_count_order_u64(uint64_t x);
182 * Return the minimum order for which x <= (1UL << order).
183 * Return -1 if x is 0.
185 int get_count_order_ulong(unsigned long x);
187 const char *get_event_type_str(enum lttng_event_type event_type);
189 int print_missing_or_multiple_domains(unsigned int domain_count, bool include_agent_domains);
191 int spawn_relayd(const char *pathname, int port);
192 int check_relayd(void);
193 void print_session_stats(const char *session_name);
194 int get_session_stats_str(const char *session_name, char **str);
195 int show_cmd_help(const char *cmd_name, const char *help_msg);
197 int print_trace_archive_location(const struct lttng_trace_archive_location *location,
198 const char *session_name);
200 int validate_exclusion_list(const char *event_name,
201 const struct lttng_dynamic_pointer_array *exclusions);
203 session_list list_sessions(const struct session_spec& spec);
205 #endif /* _LTTNG_UTILS_H */