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|---|---|---|---|
| 1 | // This file is part of INSTINCT, the INS Toolkit for Integrated | ||
| 2 | // Navigation Concepts and Training by the Institute of Navigation of | ||
| 3 | // the University of Stuttgart, Germany. | ||
| 4 | // | ||
| 5 | // This Source Code Form is subject to the terms of the Mozilla Public | ||
| 6 | // License, v. 2.0. If a copy of the MPL was not distributed with this | ||
| 7 | // file, You can obtain one at https://mozilla.org/MPL/2.0/. | ||
| 8 | |||
| 9 | /// @file TsDeque.hpp | ||
| 10 | /// @brief Thread-safe deque | ||
| 11 | /// @author T. Topp (topp@ins.uni-stuttgart.de) | ||
| 12 | /// @date 2022-09-12 | ||
| 13 | |||
| 14 | #pragma once | ||
| 15 | |||
| 16 | #include <deque> | ||
| 17 | #include <mutex> | ||
| 18 | |||
| 19 | namespace NAV | ||
| 20 | { | ||
| 21 | |||
| 22 | /// @brief Thread-safe deque | ||
| 23 | /// @tparam T The type of the elements. | ||
| 24 | /// @tparam Alloc Allocator that is used to acquire/release memory and to construct/destroy the elements in that memory. | ||
| 25 | template<class T, class Alloc = std::allocator<T>> | ||
| 26 | class TsDeque | ||
| 27 | { | ||
| 28 | public: | ||
| 29 | // ####################################################################################################### | ||
| 30 | // Member functions | ||
| 31 | // ####################################################################################################### | ||
| 32 | |||
| 33 | /// @brief Default Constructor. Constructs an empty container with a default-constructed allocator. | ||
| 34 | 5811 | TsDeque() = default; | |
| 35 | |||
| 36 | /// Destructor | ||
| 37 | 7726 | ~TsDeque() = default; | |
| 38 | |||
| 39 | /// @brief Constructs an empty container with the given allocator alloc. | ||
| 40 | /// @param alloc Allocator to use for all memory allocations of this container | ||
| 41 | explicit TsDeque(const Alloc& alloc) | ||
| 42 | : _queue(alloc) {} | ||
| 43 | |||
| 44 | /// @brief Constructs the container with count copies of elements with value value. | ||
| 45 | /// @param count The size of the container | ||
| 46 | /// @param value The value to initialize elements of the container with | ||
| 47 | /// @param alloc Allocator to use for all memory allocations of this container | ||
| 48 | TsDeque(typename std::deque<T, Alloc>::size_type count, const T& value, const Alloc& alloc = Alloc()) | ||
| 49 | : _queue(count, value, alloc) {} | ||
| 50 | |||
| 51 | /// @brief Constructs the container with count default-inserted instances of T. No copies are made. | ||
| 52 | /// @param count The size of the container | ||
| 53 | /// @param alloc Allocator to use for all memory allocations of this container | ||
| 54 | explicit TsDeque(typename std::deque<T, Alloc>::size_type count, const Alloc& alloc = Alloc()) | ||
| 55 | : _queue(count, alloc) {} | ||
| 56 | |||
| 57 | /// @brief Constructs the container with the contents of the range [first, last). | ||
| 58 | /// @param first First element of the range to copy the elements from | ||
| 59 | /// @param last Last element the range to copy the elements from | ||
| 60 | /// @param alloc Allocator to use for all memory allocations of this container | ||
| 61 | template<class InputIt> | ||
| 62 | TsDeque(InputIt first, InputIt last, const Alloc& alloc = Alloc()) | ||
| 63 | : _queue(first, last, alloc) | ||
| 64 | {} | ||
| 65 | |||
| 66 | /// @brief Copy constructor. Constructs the container with the copy of the contents of other. | ||
| 67 | /// @param other Another container to be used as source to initialize the elements of the container with | ||
| 68 | 1916 | TsDeque(const TsDeque& other) | |
| 69 | 1916 | { | |
| 70 |
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1916 | std::scoped_lock lk(other._mutex); |
| 71 |
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1916 | _queue = std::deque<T, Alloc>(other._queue); // NOLINT(cppcoreguidelines-prefer-member-initializer) |
| 72 | 1916 | } | |
| 73 | /// @brief Constructs the container with the copy of the contents of other, using alloc as the allocator. | ||
| 74 | /// @param other Another container to be used as source to initialize the elements of the container with | ||
| 75 | /// @param alloc Allocator to use for all memory allocations of this container | ||
| 76 | TsDeque(const TsDeque& other, const Alloc& alloc) | ||
| 77 | { | ||
| 78 | std::scoped_lock lk(other._mutex); | ||
| 79 | _queue = std::deque<T, Alloc>(other._queue, alloc); // NOLINT(cppcoreguidelines-prefer-member-initializer) | ||
| 80 | } | ||
| 81 | /// @brief Move constructor. Constructs the container with the contents of other using move semantics. | ||
| 82 | /// Allocator is obtained by move-construction from the allocator belonging to other. | ||
| 83 | /// @param other Another container to be used as source to initialize the elements of the container with | ||
| 84 | TsDeque(TsDeque&& other) noexcept | ||
| 85 | { | ||
| 86 | std::scoped_lock lk(other._mutex); | ||
| 87 | _queue = std::deque<T, Alloc>(std::move(other._queue)); // NOLINT(cppcoreguidelines-prefer-member-initializer) | ||
| 88 | } | ||
| 89 | /// @brief Allocator-extended move constructor. Using alloc as the allocator for the new container, moving the contents from other; | ||
| 90 | /// if alloc != other.get_allocator(), this results in an element-wise move. | ||
| 91 | /// @param other Another container to be used as source to initialize the elements of the container with | ||
| 92 | /// @param alloc Allocator to use for all memory allocations of this container | ||
| 93 | TsDeque(TsDeque&& other, const Alloc& alloc) noexcept | ||
| 94 | { | ||
| 95 | std::scoped_lock lk(other._mutex); | ||
| 96 | _queue = std::deque<T, Alloc>(std::move(other._queue), alloc); // NOLINT(cppcoreguidelines-prefer-member-initializer) | ||
| 97 | } | ||
| 98 | /// @brief Constructs the container with the contents of the initializer list init. | ||
| 99 | /// @param init Initializer list to initialize the elements of the container with | ||
| 100 | /// @param alloc Allocator to use for all memory allocations of this container | ||
| 101 | TsDeque(std::initializer_list<T> init, const Alloc& alloc = Alloc()) | ||
| 102 | : _queue(init, alloc) {} | ||
| 103 | |||
| 104 | /// @brief Copy assignment operator | ||
| 105 | TsDeque& operator=(const TsDeque& other) | ||
| 106 | { | ||
| 107 | if (this != &other) | ||
| 108 | { | ||
| 109 | std::scoped_lock lk(_mutex); | ||
| 110 | std::scoped_lock lko(other._mutex); | ||
| 111 | _queue = other._queue; | ||
| 112 | } | ||
| 113 | return *this; | ||
| 114 | } | ||
| 115 | /// @brief Move assignment operator | ||
| 116 | 1 | TsDeque& operator=(TsDeque&& other) noexcept | |
| 117 | { | ||
| 118 |
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1 | if (this != &other) |
| 119 | { | ||
| 120 | 1 | std::scoped_lock lk(_mutex); | |
| 121 | 1 | std::scoped_lock lko(other._mutex); | |
| 122 | 1 | _queue = std::move(other._queue); | |
| 123 | 1 | } | |
| 124 | 1 | return *this; | |
| 125 | } | ||
| 126 | /// @brief Replaces the contents with those identified by initializer list ilist. | ||
| 127 | /// @param ilist Initializer list to use as data source | ||
| 128 | TsDeque& operator=(std::initializer_list<T> ilist) | ||
| 129 | { | ||
| 130 | _queue = ilist; | ||
| 131 | } | ||
| 132 | |||
| 133 | /// @brief Replaces the contents with count copies of value value | ||
| 134 | /// | ||
| 135 | /// All iterators, pointers and references to the elements of the container are invalidated. The past-the-end iterator is also invalidated. | ||
| 136 | /// @param count The new size of the container | ||
| 137 | /// @param value The value to initialize elements of the container with | ||
| 138 | void assign(typename std::deque<T, Alloc>::size_type count, const T& value) | ||
| 139 | { | ||
| 140 | std::scoped_lock lk(_mutex); | ||
| 141 | _queue.assign(count, value); | ||
| 142 | } | ||
| 143 | |||
| 144 | /// @brief Replaces the contents with copies of those in the range [first, last). The behavior is undefined if either argument is an iterator into *this. | ||
| 145 | /// | ||
| 146 | /// All iterators, pointers and references to the elements of the container are invalidated. The past-the-end iterator is also invalidated. | ||
| 147 | /// @param[in] first The first element of the range to copy the elements from | ||
| 148 | /// @param[in] last The last element of the range to copy the elements from | ||
| 149 | template<class InputIt> | ||
| 150 | void assign(InputIt first, InputIt last) | ||
| 151 | { | ||
| 152 | std::scoped_lock lk(_mutex); | ||
| 153 | _queue.assign(first, last); | ||
| 154 | } | ||
| 155 | /// @brief Replaces the contents with the elements from the initializer list ilist. | ||
| 156 | /// | ||
| 157 | /// All iterators, pointers and references to the elements of the container are invalidated. The past-the-end iterator is also invalidated. | ||
| 158 | /// @param ilist Initializer list to copy the values from | ||
| 159 | void assign(std::initializer_list<T> ilist) | ||
| 160 | { | ||
| 161 | std::scoped_lock lk(_mutex); | ||
| 162 | _queue.assign(ilist); | ||
| 163 | } | ||
| 164 | |||
| 165 | /// @brief Returns the allocator associated with the container. | ||
| 166 | /// @return The associated allocator. | ||
| 167 | typename std::deque<T, Alloc>::allocator_type get_allocator() const noexcept | ||
| 168 | { | ||
| 169 | return _queue.get_allocator(); | ||
| 170 | } | ||
| 171 | |||
| 172 | // ####################################################################################################### | ||
| 173 | // Element access | ||
| 174 | // ####################################################################################################### | ||
| 175 | |||
| 176 | /// @brief Returns a reference to the element at specified location pos, with bounds checking. | ||
| 177 | /// If pos is not within the range of the container, an exception of type std::out_of_range is thrown. | ||
| 178 | /// @param[in] pos Position of the element to return | ||
| 179 | /// @return Reference to the requested element. | ||
| 180 | ✗ | auto& at(typename std::deque<T, Alloc>::size_type pos) { return _queue.at(pos); } | |
| 181 | /// @brief Returns a reference to the element at specified location pos, with bounds checking. | ||
| 182 | /// If pos is not within the range of the container, an exception of type std::out_of_range is thrown. | ||
| 183 | /// @param[in] pos Position of the element to return | ||
| 184 | /// @return Reference to the requested element. | ||
| 185 | const auto& at(typename std::deque<T, Alloc>::size_type pos) const { return _queue.at(pos); } | ||
| 186 | |||
| 187 | /// @brief Returns a reference to the element at specified location pos. No bounds checking is performed. | ||
| 188 | /// @param[in] pos Position of the element to return | ||
| 189 | /// @return Reference to the requested element. | ||
| 190 | auto& operator[](typename std::deque<T, Alloc>::size_type pos) { return _queue[pos]; } | ||
| 191 | /// @brief Returns a reference to the element at specified location pos. No bounds checking is performed. | ||
| 192 | /// @param[in] pos Position of the element to return | ||
| 193 | /// @return Reference to the requested element. | ||
| 194 | const auto& operator[](typename std::deque<T, Alloc>::size_type pos) const { return _queue[pos]; } | ||
| 195 | |||
| 196 | /// @brief Returns a reference to the first element in the container. | ||
| 197 | /// @return Reference to the first element | ||
| 198 | 1953958 | auto& front() { return _queue.front(); } | |
| 199 | /// @brief Returns a reference to the first element in the container. | ||
| 200 | /// @return Reference to the first element | ||
| 201 | 111947 | const auto& front() const { return _queue.front(); } | |
| 202 | |||
| 203 | /// @brief Returns a reference to the last element in the container. | ||
| 204 | /// @return Reference to the last element | ||
| 205 | auto& back() { return _queue.back(); } | ||
| 206 | /// @brief Returns a reference to the last element in the container. | ||
| 207 | /// @return Reference to the last element | ||
| 208 | const auto& back() const { return _queue.back(); } | ||
| 209 | |||
| 210 | // ####################################################################################################### | ||
| 211 | // Iterators | ||
| 212 | // ####################################################################################################### | ||
| 213 | |||
| 214 | /// @brief Returns an iterator to the first element of the deque. | ||
| 215 | /// If the deque is empty, the returned iterator will be equal to end(). | ||
| 216 | /// @return Iterator to the first element. | ||
| 217 | typename std::deque<T>::iterator begin() noexcept { return _queue.begin(); } | ||
| 218 | /// @brief Returns an iterator to the first element of the deque. | ||
| 219 | /// If the deque is empty, the returned iterator will be equal to end(). | ||
| 220 | /// @return Iterator to the first element. | ||
| 221 | typename std::deque<T>::const_iterator begin() const noexcept { return _queue.begin(); } | ||
| 222 | /// @brief Returns an iterator to the first element of the deque. | ||
| 223 | /// If the deque is empty, the returned iterator will be equal to end(). | ||
| 224 | /// @return Iterator to the first element. | ||
| 225 | typename std::deque<T>::const_iterator cbegin() const noexcept { return _queue.cbegin(); } | ||
| 226 | |||
| 227 | /// @brief Returns an iterator to the element following the last element of the deque. | ||
| 228 | /// This element acts as a placeholder; attempting to access it results in undefined behavior. | ||
| 229 | /// @return Iterator to the element following the last element. | ||
| 230 | typename std::deque<T>::iterator end() noexcept { return _queue.end(); } | ||
| 231 | /// @brief Returns an iterator to the element following the last element of the deque. | ||
| 232 | /// This element acts as a placeholder; attempting to access it results in undefined behavior. | ||
| 233 | /// @return Iterator to the element following the last element. | ||
| 234 | typename std::deque<T>::const_iterator end() const noexcept { return _queue.end(); } | ||
| 235 | /// @brief Returns an iterator to the element following the last element of the deque. | ||
| 236 | /// This element acts as a placeholder; attempting to access it results in undefined behavior. | ||
| 237 | /// @return Iterator to the element following the last element. | ||
| 238 | typename std::deque<T>::const_iterator cend() const noexcept { return _queue.cend(); } | ||
| 239 | |||
| 240 | /// @brief Returns a reverse iterator to the first element of the reversed deque. It corresponds to the last element of the non-reversed deque. | ||
| 241 | /// If the deque is empty, the returned iterator is equal to rend(). | ||
| 242 | /// @return Reverse iterator to the first element. | ||
| 243 | typename std::deque<T>::reverse_iterator rbegin() noexcept { return _queue.rbegin(); } | ||
| 244 | /// @brief Returns a reverse iterator to the first element of the reversed deque. It corresponds to the last element of the non-reversed deque. | ||
| 245 | /// If the deque is empty, the returned iterator is equal to rend(). | ||
| 246 | /// @return Reverse iterator to the first element. | ||
| 247 | typename std::deque<T>::const_reverse_iterator rbegin() const noexcept { return _queue.rbegin(); } | ||
| 248 | /// @brief Returns a reverse iterator to the first element of the reversed deque. It corresponds to the last element of the non-reversed deque. | ||
| 249 | /// If the deque is empty, the returned iterator is equal to rend(). | ||
| 250 | /// @return Reverse iterator to the first element. | ||
| 251 | typename std::deque<T>::const_reverse_iterator crbegin() const noexcept { return _queue.crbegin(); } | ||
| 252 | |||
| 253 | /// @brief Returns a reverse iterator to the element following the last element of the reversed deque. | ||
| 254 | /// It corresponds to the element preceding the first element of the non-reversed deque. | ||
| 255 | /// This element acts as a placeholder, attempting to access it results in undefined behavior. | ||
| 256 | /// @return Reverse iterator to the element following the last element. | ||
| 257 | typename std::deque<T>::reverse_iterator rend() noexcept { return _queue.rend(); } | ||
| 258 | /// @brief Returns a reverse iterator to the element following the last element of the reversed deque. | ||
| 259 | /// It corresponds to the element preceding the first element of the non-reversed deque. | ||
| 260 | /// This element acts as a placeholder, attempting to access it results in undefined behavior. | ||
| 261 | /// @return Reverse iterator to the element following the last element. | ||
| 262 | typename std::deque<T>::const_reverse_iterator rend() const noexcept { return _queue.rend(); } | ||
| 263 | /// @brief Returns a reverse iterator to the element following the last element of the reversed deque. | ||
| 264 | /// It corresponds to the element preceding the first element of the non-reversed deque. | ||
| 265 | /// This element acts as a placeholder, attempting to access it results in undefined behavior. | ||
| 266 | /// @return Reverse iterator to the element following the last element. | ||
| 267 | typename std::deque<T>::const_reverse_iterator crend() const noexcept { return _queue.crend(); } | ||
| 268 | |||
| 269 | // ####################################################################################################### | ||
| 270 | // Capacity | ||
| 271 | // ####################################################################################################### | ||
| 272 | |||
| 273 | /// @brief Checks if the container has no elements, i.e. whether 'begin() == end()'. | ||
| 274 | /// @return true if the container is empty, false otherwise | ||
| 275 | 4401970 | [[nodiscard]] bool empty() const noexcept | |
| 276 | { | ||
| 277 | 4401970 | std::scoped_lock lk(_mutex); | |
| 278 | 4403967 | return _queue.empty(); | |
| 279 | 4403385 | } | |
| 280 | |||
| 281 | /// @brief Returns the number of elements in the container, i.e. std::distance(begin(), end()). | ||
| 282 | /// @return The number of elements in the container. | ||
| 283 | 56800 | typename std::deque<T, Alloc>::size_type size() const noexcept | |
| 284 | { | ||
| 285 | 56800 | std::scoped_lock lk(_mutex); | |
| 286 | 56800 | return _queue.size(); | |
| 287 | 56800 | } | |
| 288 | |||
| 289 | /// @brief Returns the maximum number of elements the container is able to hold due to system or library implementation limitations, i.e. std::distance(begin(), end()) for the largest container. | ||
| 290 | /// @return Maximum number of elements. | ||
| 291 | typename std::deque<T, Alloc>::size_type max_size() const noexcept | ||
| 292 | { | ||
| 293 | std::scoped_lock lk(_mutex); | ||
| 294 | return _queue.max_size(); | ||
| 295 | } | ||
| 296 | |||
| 297 | /// @brief Requests the removal of unused capacity. | ||
| 298 | void shrink_to_fit() | ||
| 299 | { | ||
| 300 | std::scoped_lock lk(_mutex); | ||
| 301 | _queue.shrink_to_fit(); | ||
| 302 | } | ||
| 303 | |||
| 304 | // ####################################################################################################### | ||
| 305 | // Modifiers | ||
| 306 | // ####################################################################################################### | ||
| 307 | |||
| 308 | /// Erases all elements from the container. After this call, size() returns zero. | ||
| 309 | /// Invalidates any references, pointers, or iterators referring to contained elements. Any past-the-end iterators are also invalidated. | ||
| 310 | 920 | void clear() noexcept | |
| 311 | { | ||
| 312 | 920 | std::scoped_lock lk(_mutex); | |
| 313 | 920 | _queue.clear(); | |
| 314 | 919 | } | |
| 315 | |||
| 316 | /// @brief Insert value before pos in the container. | ||
| 317 | /// @param[in] pos Iterator before which the content will be inserted. pos may be the end() iterator | ||
| 318 | /// @param[in] value Element value to insert | ||
| 319 | /// @return Iterator pointing to the inserted value | ||
| 320 | typename std::deque<T>::iterator insert(typename std::deque<T>::const_iterator pos, const T& value) | ||
| 321 | { | ||
| 322 | std::scoped_lock lk(_mutex); | ||
| 323 | return _queue.insert(pos, value); | ||
| 324 | } | ||
| 325 | |||
| 326 | /// @brief Insert value before pos in the container. | ||
| 327 | /// @param[in] pos Iterator before which the content will be inserted. pos may be the end() iterator | ||
| 328 | /// @param[in] value Element value to insert | ||
| 329 | /// @return Iterator pointing to the inserted value | ||
| 330 | typename std::deque<T>::iterator insert(typename std::deque<T>::const_iterator pos, T&& value) | ||
| 331 | { | ||
| 332 | std::scoped_lock lk(_mutex); | ||
| 333 | return _queue.insert(pos, value); | ||
| 334 | } | ||
| 335 | |||
| 336 | /// @brief inserts count copies of the value before pos | ||
| 337 | /// @param[in] pos Iterator before which the content will be inserted. pos may be the end() iterator | ||
| 338 | /// @param[in] count Number of elements to insert | ||
| 339 | /// @param[in] value Element value to insert | ||
| 340 | /// @return Linear in count plus linear in the lesser of the distances between pos and either of the ends of the container. | ||
| 341 | typename std::deque<T>::iterator insert(typename std::deque<T>::const_iterator pos, typename std::deque<T, Alloc>::size_type count, const T& value) | ||
| 342 | { | ||
| 343 | std::scoped_lock lk(_mutex); | ||
| 344 | return _queue.insert(pos, count, value); | ||
| 345 | } | ||
| 346 | |||
| 347 | /// @brief inserts elements from range [first, last) before pos. | ||
| 348 | /// @tparam InputIt Input iterator type | ||
| 349 | /// @param[in] pos Iterator before which the content will be inserted. pos may be the end() iterator | ||
| 350 | /// @param[in] first The first element of the range of elements to insert, can't be iterators into container for which insert is called | ||
| 351 | /// @param[in] last The last element of the range of elements to insert, can't be iterators into container for which insert is called | ||
| 352 | /// @return Iterator pointing to the first element inserted, or pos if first==last. | ||
| 353 | template<class InputIt> | ||
| 354 | typename std::deque<T>::iterator insert(typename std::deque<T>::const_iterator pos, InputIt first, InputIt last) | ||
| 355 | { | ||
| 356 | std::scoped_lock lk(_mutex); | ||
| 357 | return _queue.insert(pos, first, last); | ||
| 358 | } | ||
| 359 | |||
| 360 | /// @brief Inserts elements from initializer list ilist before pos. | ||
| 361 | /// @param[in] pos Iterator before which the content will be inserted. pos may be the end() iterator | ||
| 362 | /// @param[in] ilist Initializer list to insert the values from | ||
| 363 | /// @return Iterator pointing to the first element inserted, or pos if ilist is empty. | ||
| 364 | typename std::deque<T>::iterator insert(typename std::deque<T>::const_iterator pos, std::initializer_list<T> ilist) | ||
| 365 | { | ||
| 366 | std::scoped_lock lk(_mutex); | ||
| 367 | return _queue.insert(pos, ilist); | ||
| 368 | } | ||
| 369 | |||
| 370 | /// @brief Inserts a new element into the container directly before pos. | ||
| 371 | /// @param[in] pos Iterator before which the new element will be constructed | ||
| 372 | /// @param[in] args Arguments to forward to the constructor of the element | ||
| 373 | /// @return Iterator pointing to the emplaced element. | ||
| 374 | template<class... Args> | ||
| 375 | typename std::deque<T>::iterator emplace(typename std::deque<T>::const_iterator pos, Args&&... args) | ||
| 376 | { | ||
| 377 | std::scoped_lock lk(_mutex); | ||
| 378 | return _queue.emplace(pos, std::forward<Args>(args)...); | ||
| 379 | } | ||
| 380 | |||
| 381 | /// @brief Removes the element at pos. | ||
| 382 | /// @param[in] pos Iterator to the element to remove | ||
| 383 | /// @return Iterator following the last removed element. | ||
| 384 | typename std::deque<T>::iterator erase(typename std::deque<T>::const_iterator pos) | ||
| 385 | { | ||
| 386 | std::scoped_lock lk(_mutex); | ||
| 387 | return _queue.erase(pos); | ||
| 388 | } | ||
| 389 | /// @brief Removes the elements in the range [first, last). | ||
| 390 | /// All iterators and references are invalidated, unless the erased elements are at the end or the beginning of the container, | ||
| 391 | /// in which case only the iterators and references to the erased elements are invalidated. | ||
| 392 | /// @param[in] first First element of the range of elements to remove | ||
| 393 | /// @param[in] last Last element of the range of elements to remove | ||
| 394 | /// @return Iterator following the last removed element. | ||
| 395 | typename std::deque<T>::iterator erase(typename std::deque<T>::const_iterator first, typename std::deque<T>::const_iterator last) | ||
| 396 | { | ||
| 397 | std::scoped_lock lk(_mutex); | ||
| 398 | return _queue.erase(first, last); | ||
| 399 | } | ||
| 400 | |||
| 401 | /// @brief Appends the given element value to the end of the container. The new element is initialized as a copy of value. | ||
| 402 | /// @param[in] value The value of the element to append | ||
| 403 | 481199 | void push_back(const T& value) | |
| 404 | { | ||
| 405 |
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481199 | std::scoped_lock lk(_mutex); |
| 406 |
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481235 | _queue.push_back(value); |
| 407 | 481061 | } | |
| 408 | /// @brief Appends the given element value to the end of the container. Value is moved into the new element. | ||
| 409 | /// @param[in] value The value of the element to append | ||
| 410 | ✗ | void push_back(T&& value) | |
| 411 | { | ||
| 412 | ✗ | std::scoped_lock lk(_mutex); | |
| 413 | ✗ | _queue.push_back(value); | |
| 414 | ✗ | } | |
| 415 | |||
| 416 | /// @brief Appends a new element to the end of the container. | ||
| 417 | /// @param[in] args Arguments to forward to the constructor of the element | ||
| 418 | /// @return A reference to the inserted element. | ||
| 419 | template<class... Args> | ||
| 420 | auto& emplace_back(Args&&... args) | ||
| 421 | { | ||
| 422 | std::scoped_lock lk(_mutex); | ||
| 423 | return _queue.emplace_back(std::forward<Args>(args)...); | ||
| 424 | } | ||
| 425 | |||
| 426 | /// @brief Removes the last element of the container. | ||
| 427 | void pop_back() | ||
| 428 | { | ||
| 429 | std::scoped_lock lk(_mutex); | ||
| 430 | _queue.pop_back(); | ||
| 431 | } | ||
| 432 | |||
| 433 | /// @brief Prepends the given element value to the beginning of the container. The new element is initialized as a copy of value. | ||
| 434 | /// All iterators, including the past-the-end iterator, are invalidated. No references are invalidated. | ||
| 435 | /// @param[in] value The value of the element to prepend | ||
| 436 | void push_front(const T& value) | ||
| 437 | { | ||
| 438 | std::scoped_lock lk(_mutex); | ||
| 439 | _queue.push_front(value); | ||
| 440 | } | ||
| 441 | /// @brief Prepends the given element value to the beginning of the container. Value is moved into the new element. | ||
| 442 | /// All iterators, including the past-the-end iterator, are invalidated. No references are invalidated. | ||
| 443 | /// @param[in] value The value of the element to prepend | ||
| 444 | void push_front(T&& value) | ||
| 445 | { | ||
| 446 | std::scoped_lock lk(_mutex); | ||
| 447 | _queue.push_front(value); | ||
| 448 | } | ||
| 449 | |||
| 450 | /// @brief Inserts a new element to the beginning of the container. | ||
| 451 | /// @param[in] args Arguments to forward to the constructor of the element | ||
| 452 | /// @return A reference to the inserted element. | ||
| 453 | template<class... Args> | ||
| 454 | auto& emplace_front(Args&&... args) | ||
| 455 | { | ||
| 456 | std::scoped_lock lk(_mutex); | ||
| 457 | return _queue.emplace_front(std::forward<Args>(args)...); | ||
| 458 | } | ||
| 459 | |||
| 460 | /// @brief Removes the first element of the container. If there are no elements in the container, the behavior is undefined. | ||
| 461 | 480608 | void pop_front() | |
| 462 | { | ||
| 463 |
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480608 | std::scoped_lock lk(_mutex); |
| 464 | 480873 | _queue.pop_front(); | |
| 465 | 480341 | } | |
| 466 | |||
| 467 | /// @brief Resizes the container to contain count elements. | ||
| 468 | /// @param[in] count New size of the container | ||
| 469 | void resize(typename std::deque<T, Alloc>::size_type count) | ||
| 470 | { | ||
| 471 | std::scoped_lock lk(_mutex); | ||
| 472 | _queue.resize(count); | ||
| 473 | } | ||
| 474 | /// @brief Resizes the container to contain count elements. | ||
| 475 | /// @param[in] count New size of the container | ||
| 476 | /// @param[in] value The value to initialize the new elements with | ||
| 477 | void resize(typename std::deque<T, Alloc>::size_type count, const T& value) | ||
| 478 | { | ||
| 479 | std::scoped_lock lk(_mutex); | ||
| 480 | _queue.resize(count, value); | ||
| 481 | } | ||
| 482 | |||
| 483 | /// @brief Exchanges the contents of the container with those of other. Does not invoke any move, copy, or swap operations on individual elements. | ||
| 484 | /// All iterators and references remain valid. The past-the-end iterator is invalidated. | ||
| 485 | /// @param[in, out] other Container to exchange the contents with | ||
| 486 | void swap(std::deque<T>& other) noexcept | ||
| 487 | { | ||
| 488 | std::scoped_lock lk(_mutex); | ||
| 489 | _queue.swap(other); | ||
| 490 | } | ||
| 491 | |||
| 492 | /// @brief Returns a copy of the first element in the container and removes it from the container. | ||
| 493 | /// @return Copy of the first element | ||
| 494 | 474579 | auto extract_front() | |
| 495 | { | ||
| 496 | 474579 | T front; | |
| 497 | { | ||
| 498 |
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474579 | std::scoped_lock lk(_mutex); |
| 499 | 474768 | front = _queue.front(); | |
| 500 | 473961 | } | |
| 501 |
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474426 | pop_front(); |
| 502 | 474297 | return front; | |
| 503 | ✗ | } | |
| 504 | |||
| 505 | private: | ||
| 506 | /// Queue with received data | ||
| 507 | std::deque<T, Alloc> _queue; | ||
| 508 | |||
| 509 | /// Mutex to interact with the queue object | ||
| 510 | mutable std::mutex _mutex; | ||
| 511 | }; | ||
| 512 | |||
| 513 | } // namespace NAV | ||
| 514 |