Use sourcecode for libjuice

2025-10-26 20:25:34 +08:00 · 2023-07-13 16:58:20 +08:00
parent ef6a04dc97
commit 8cd87a2646
76 changed files with 14877 additions and 179 deletions
--- a/thirdparty/libjuice/src/turn.h
+++ b/thirdparty/libjuice/src/turn.h
@@ -0,0 +1,111 @@
+/**
+ * Copyright (c) 2020 Paul-Louis Ageneau
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+#ifndef JUICE_TURN_H
+#define JUICE_TURN_H
+
+#include "addr.h"
+#include "ice.h"
+#include "juice.h"
+#include "log.h"
+#include "stun.h"
+#include "timestamp.h"
+
+#include <stdint.h>
+
+#pragma pack(push, 1)
+/*
+ * TURN ChannelData Message
+ * See https://www.rfc-editor.org/rfc/rfc8656.html#section-12.4
+ *
+ *  0                   1                   2                   3
+ *  0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |         Channel Number        |            Length             |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |                                                               |
+ * /                       Application Data                        /
+ * /                                                               /
+ * |                                                               |
+ * |                               +-------------------------------+
+ * |                               |
+ * +-------------------------------+
+ */
+
+struct channel_data_header {
+	uint16_t channel_number;
+	uint16_t length;
+};
+
+#pragma pack(pop)
+
+bool is_channel_data(const void *data, size_t size);
+bool is_valid_channel(uint16_t channel);
+
+int turn_wrap_channel_data(char *buffer, size_t size, const char *data, size_t data_size,
+                           uint16_t channel);
+
+// TURN state map
+
+typedef enum turn_entry_type {
+	TURN_ENTRY_TYPE_EMPTY = 0,
+	TURN_ENTRY_TYPE_DELETED,
+	TURN_ENTRY_TYPE_PERMISSION,
+	TURN_ENTRY_TYPE_CHANNEL
+} turn_entry_type_t;
+
+typedef struct turn_entry {
+	turn_entry_type_t type;
+	timestamp_t timestamp;
+	addr_record_t record;
+	uint8_t transaction_id[STUN_TRANSACTION_ID_SIZE];
+	uint16_t channel;
+	bool fresh_transaction_id;
+} turn_entry_t;
+
+typedef struct turn_map {
+	turn_entry_t *map;
+	turn_entry_t **ordered_channels;
+	turn_entry_t **ordered_transaction_ids;
+	int map_size;
+	int channels_count;
+	int transaction_ids_count;
+} turn_map_t;
+
+int turn_init_map(turn_map_t *map, int size);
+void turn_destroy_map(turn_map_t *map);
+
+bool turn_set_permission(turn_map_t *map, const uint8_t *transaction_id,
+                         const addr_record_t *record, // record may be NULL
+                         timediff_t duration);
+bool turn_has_permission(turn_map_t *map, const addr_record_t *record);
+
+bool turn_bind_channel(turn_map_t *map, const addr_record_t *record,
+                       const uint8_t *transaction_id, // transaction_id may be NULL
+                       uint16_t channel, timediff_t duration);
+bool turn_bind_random_channel(turn_map_t *map, const addr_record_t *record, uint16_t *channel,
+                              timediff_t duration);
+bool turn_bind_current_channel(turn_map_t *map, const uint8_t *transaction_id,
+                               const addr_record_t *record, // record may be NULL
+                               timediff_t duration);
+bool turn_get_channel(turn_map_t *map, const addr_record_t *record, uint16_t *channel);
+bool turn_get_bound_channel(turn_map_t *map, const addr_record_t *record, uint16_t *channel);
+bool turn_find_channel(turn_map_t *map, uint16_t channel, addr_record_t *record);
+bool turn_find_bound_channel(turn_map_t *map, uint16_t channel, addr_record_t *record);
+
+bool turn_set_permission_transaction_id(turn_map_t *map, const addr_record_t *record,
+                                        const uint8_t *transaction_id);
+bool turn_set_channel_transaction_id(turn_map_t *map, const addr_record_t *record,
+                                     const uint8_t *transaction_id);
+bool turn_set_random_permission_transaction_id(turn_map_t *map, const addr_record_t *record,
+                                               uint8_t *transaction_id);
+bool turn_set_random_channel_transaction_id(turn_map_t *map, const addr_record_t *record,
+                                            uint8_t *transaction_id);
+bool turn_retrieve_transaction_id(turn_map_t *map, const uint8_t *transaction_id,
+                              addr_record_t *record);
+#endif