9b36dd9d99
9ed2fa80d fix(toxav): remove extra copy of video frame on encode de30cf3ad docs: Add new file kinds, that should be useful to all clients. d5b5e879d fix(DHT): Correct node skipping logic timed out nodes. 30e71fe97 refactor: Generate event dispatch functions and add tox_events_dispatch. 8fdbb0b50 style: Format parameter lists in event handlers. d00dee12b refactor: Add warning logs when losing chat invites. b144e8db1 feat: Add a way to look up a file number by ID. 849281ea0 feat: Add a way to fetch groups by chat ID. a2c177396 refactor: Harden event system and improve type safety. 8f5caa656 refactor: Add MessagePack string support to bin_pack. 34e8d5ad5 chore: Add GitHub CodeQL workflow and local Docker runner. f7b068010 refactor: Add nullability annotations to event headers. 788abe651 refactor(toxav): Use system allocator for mutexes. 2e4b423eb refactor: Use specific typedefs for public API arrays. 2baf34775 docs(toxav): update idle iteration interval see 679444751876fa3882a717772918ebdc8f083354 2f87ac67b feat: Add Event Loop abstraction (Ev). f8dfc38d8 test: Fix data race in ToxScenario virtual_clock. 38313921e test(TCP): Add regression test for TCP priority queue integrity. f94a50d9a refactor(toxav): Replace mutable_mutex with dynamically allocated mutex. ad054511e refactor: Internalize DHT structs and add debug helpers. 8b467cc96 fix: Prevent potential integer overflow in group chat handshake. 4962bdbb8 test: Improve TCP simulation and add tests 5f0227093 refactor: Allow nullable data in group chat handlers. e97b18ea9 chore: Improve Windows Docker support. b14943bbd refactor: Move Logger out of Messenger into Tox. dd3136250 cleanup: Apply nullability qualifiers to C++ codebase. 1849f70fc refactor: Extract low-level networking code to net and os_network. 8fec75421 refactor: Delete tox_random, align on rng and os_random. a03ae8051 refactor: Delete tox_memory, align on mem and os_memory. 4c88fed2c refactor: Use `std::` prefixes more consistently in C++ code. 72452f2ae test: Add some more tests for onion and shared key cache. d5a51b09a cleanup: Use tox_attributes.h in tox_private.h and install it. b6f5b9fc5 test: Add some benchmarks for various high level things. 8a8d02785 test(support): Introduce threaded Tox runner and simulation barrier d68d1d095 perf(toxav): optimize audio and video intermediate buffers by keeping them around REVERT: c9cdae001 fix(toxav): remove extra copy of video frame on encode git-subtree-dir: external/toxcore/c-toxcore git-subtree-split: 9ed2fa80d582c714d6bdde6a7648220a92cddff8
125 lines
2.2 KiB
C
125 lines
2.2 KiB
C
/* SPDX-License-Identifier: GPL-3.0-or-later
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* Copyright © 2016-2025 The TokTok team.
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* Copyright © 2013 Tox project.
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* Copyright © 2013 plutooo
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*/
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#include "ring_buffer.h"
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#include <stdlib.h>
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#include "../toxcore/ccompat.h"
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struct RingBuffer {
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uint16_t size; /* Max size */
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uint16_t start;
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uint16_t end;
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void **data;
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};
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bool rb_full(const RingBuffer *b)
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{
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return (b->end + 1) % b->size == b->start;
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}
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bool rb_empty(const RingBuffer *b)
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{
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return b->end == b->start;
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}
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/**
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* @retval NULL on success
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* @return input value "p" on failure, so caller can free on failed rb_write
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*/
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void *rb_write(RingBuffer *b, void *p)
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{
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if (b == nullptr) {
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return p;
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}
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void *rc = nullptr;
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if ((b->end + 1) % b->size == b->start) { /* full */
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rc = b->data[b->start];
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}
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b->data[b->end] = p;
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b->end = (b->end + 1) % b->size;
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if (b->end == b->start) {
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b->start = (b->start + 1) % b->size;
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}
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return rc;
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}
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bool rb_read(RingBuffer *b, void **p)
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{
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if (b->end == b->start) { /* Empty */
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*p = nullptr;
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return false;
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}
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*p = b->data[b->start];
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b->start = (b->start + 1) % b->size;
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return true;
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}
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RingBuffer *rb_new(int size)
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{
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if (size < 0 || size >= 65535) {
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return nullptr;
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}
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RingBuffer *buf = (RingBuffer *)calloc(1, sizeof(RingBuffer));
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if (buf == nullptr) {
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return nullptr;
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}
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buf->size = size + 1; /* include empty elem */
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buf->data = (void **)calloc(buf->size, sizeof(void *));
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if (buf->data == nullptr) {
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free(buf);
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return nullptr;
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}
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return buf;
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}
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void rb_kill(RingBuffer *b)
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{
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if (b != nullptr) {
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free(b->data);
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free(b);
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}
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}
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uint16_t rb_size(const RingBuffer *b)
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{
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if (rb_empty(b)) {
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return 0;
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}
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return
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b->end > b->start ?
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b->end - b->start :
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(b->size - b->start) + b->end;
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}
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uint16_t rb_data(const RingBuffer *b, void **dest, uint16_t dest_size)
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{
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uint16_t i;
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uint16_t size = rb_size(b);
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if (size > dest_size) {
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size = dest_size;
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}
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for (i = 0; i < size; ++i) {
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dest[i] = b->data[(b->start + i) % b->size];
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}
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return i;
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}
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