Green-Sky
/
tox_ngc_ft1
mirror of https://github.com/Green-Sky/tox_ngc_ft1.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

file kind refactor, backwards incompatible

This commit is contained in:
Green Sky 2023-01-19 14:16:14 +01:00
parent bbc96bd776
commit a7b5c31369
No known key found for this signature in database
2 changed files with 84 additions and 58 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

81
ngc_ft1.cpp
View File

@ -103,19 +103,19 @@ struct RecvSequenceBuffer {
struct NGC_FT1 {
NGC_FT1_options options;
std::unordered_map<NGC_FT1_file_kind, NGC_FT1_recv_request_cb*> cb_recv_request;
std::unordered_map<NGC_FT1_file_kind, NGC_FT1_recv_init_cb*> cb_recv_init;
std::unordered_map<NGC_FT1_file_kind, NGC_FT1_recv_data_cb*> cb_recv_data;
std::unordered_map<NGC_FT1_file_kind, NGC_FT1_send_data_cb*> cb_send_data;
std::unordered_map<NGC_FT1_file_kind, void*> ud_recv_request;
std::unordered_map<NGC_FT1_file_kind, void*> ud_recv_init;
std::unordered_map<NGC_FT1_file_kind, void*> ud_recv_data;
std::unordered_map<NGC_FT1_file_kind, void*> ud_send_data;
std::unordered_map<uint32_t, NGC_FT1_recv_request_cb*> cb_recv_request;
std::unordered_map<uint32_t, NGC_FT1_recv_init_cb*> cb_recv_init;
std::unordered_map<uint32_t, NGC_FT1_recv_data_cb*> cb_recv_data;
std::unordered_map<uint32_t, NGC_FT1_send_data_cb*> cb_send_data;
std::unordered_map<uint32_t, void*> ud_recv_request;
std::unordered_map<uint32_t, void*> ud_recv_init;
std::unordered_map<uint32_t, void*> ud_recv_data;
std::unordered_map<uint32_t, void*> ud_send_data;
struct Group {
struct Peer {
struct RecvTransfer {
NGC_FT1_file_kind file_kind;
uint32_t file_kind;
std::vector<uint8_t> file_id;
enum class State {
@ -134,7 +134,7 @@ struct NGC_FT1 {
size_t next_recv_transfer_idx {0}; // next id will be 0
struct SendTransfer {
NGC_FT1_file_kind file_kind;
uint32_t file_kind;
std::vector<uint8_t> file_id;
enum class State {
@ -166,8 +166,8 @@ struct NGC_FT1 {
};
// send pkgs
static bool _send_pkg_FT1_REQUEST(const Tox* tox, uint32_t group_number, uint32_t peer_number, uint8_t file_kind, const uint8_t* file_id, size_t file_id_size);
static bool _send_pkg_FT1_INIT(const Tox* tox, uint32_t group_number, uint32_t peer_number, uint8_t file_kind, uint64_t file_size, uint8_t transfer_id, const uint8_t* file_id, size_t file_id_size);
static bool _send_pkg_FT1_REQUEST(const Tox* tox, uint32_t group_number, uint32_t peer_number, uint32_t file_kind, const uint8_t* file_id, size_t file_id_size);
static bool _send_pkg_FT1_INIT(const Tox* tox, uint32_t group_number, uint32_t peer_number, uint32_t file_kind, uint64_t file_size, uint8_t transfer_id, const uint8_t* file_id, size_t file_id_size);
static bool _send_pkg_FT1_INIT_ACK(const Tox* tox, uint32_t group_number, uint32_t peer_number, uint8_t transfer_id);
static bool _send_pkg_FT1_DATA(const Tox* tox, uint32_t group_number, uint32_t peer_number, uint8_t transfer_id, uint16_t sequence_id, const uint8_t* data, size_t data_size);
static bool _send_pkg_FT1_DATA_ACK(const Tox* tox, uint32_t group_number, uint32_t peer_number, uint8_t transfer_id, const uint16_t* seq_ids, size_t seq_ids_size);
@ -315,7 +315,7 @@ void NGC_FT1_iterate(Tox *tox, NGC_FT1* ngc_ft1_ctx, float time_delta) {
void NGC_FT1_register_callback_recv_request(
NGC_FT1* ngc_ft1_ctx,
NGC_FT1_file_kind file_kind,
uint32_t file_kind,
NGC_FT1_recv_request_cb* callback,
void* user_data
) {
@ -327,7 +327,7 @@ void NGC_FT1_register_callback_recv_request(
void NGC_FT1_register_callback_recv_init(
NGC_FT1* ngc_ft1_ctx,
NGC_FT1_file_kind file_kind,
uint32_t file_kind,
NGC_FT1_recv_init_cb* callback,
void* user_data
) {
@ -339,7 +339,7 @@ void NGC_FT1_register_callback_recv_init(
void NGC_FT1_register_callback_recv_data(
NGC_FT1* ngc_ft1_ctx,
NGC_FT1_file_kind file_kind,
uint32_t file_kind,
NGC_FT1_recv_data_cb* callback,
void* user_data
) {
@ -351,7 +351,7 @@ void NGC_FT1_register_callback_recv_data(
void NGC_FT1_register_callback_send_data(
NGC_FT1* ngc_ft1_ctx,
NGC_FT1_file_kind file_kind,
uint32_t file_kind,
NGC_FT1_send_data_cb* callback,
void* user_data
) {
@ -367,7 +367,7 @@ void NGC_FT1_send_request_private(
uint32_t group_number,
uint32_t peer_number,
NGC_FT1_file_kind file_kind,
uint32_t file_kind,
const uint8_t* file_id,
size_t file_id_size
@ -383,13 +383,13 @@ void NGC_FT1_send_request_private(
bool NGC_FT1_send_init_private(
Tox *tox, NGC_FT1* ngc_ft1_ctx,
uint32_t group_number, uint32_t peer_number,
NGC_FT1_file_kind file_kind,
uint32_t file_kind,
const uint8_t* file_id, size_t file_id_size,
size_t file_size,
uint8_t* transfer_id
) {
//fprintf(stderr, "TODO: init ft for %08X\n", msg_id);
fprintf(stderr, "FT: init ft\n");
//fprintf(stderr, "FT: init ft\n");
if (tox_group_peer_get_connection_status(tox, group_number, peer_number, nullptr) == TOX_CONNECTION_NONE) {
fprintf(stderr, "FT: error: cant init ft, peer offline\n");
@ -440,13 +440,15 @@ bool NGC_FT1_send_init_private(
return true;
}
static bool _send_pkg_FT1_REQUEST(const Tox* tox, uint32_t group_number, uint32_t peer_number, uint8_t file_kind, const uint8_t* file_id, size_t file_id_size) {
static bool _send_pkg_FT1_REQUEST(const Tox* tox, uint32_t group_number, uint32_t peer_number, uint32_t file_kind, const uint8_t* file_id, size_t file_id_size) {
// - 1 byte packet id
// - 1 byte (TODO: more?) file_kind
// - 4 byte file_kind
// - X bytes file_id
std::vector<uint8_t> pkg;
pkg.push_back(NGC_EXT::FT1_REQUEST);
pkg.push_back(file_kind);
for (size_t i = 0; i < sizeof(file_kind); i++) {
pkg.push_back((file_kind>>(i*8)) & 0xff);
}
for (size_t i = 0; i < file_id_size; i++) {
pkg.push_back(file_id[i]);
}
@ -455,16 +457,18 @@ static bool _send_pkg_FT1_REQUEST(const Tox* tox, uint32_t group_number, uint32_
return tox_group_send_custom_private_packet(tox, group_number, peer_number, true, pkg.data(), pkg.size(), nullptr);
}
static bool _send_pkg_FT1_INIT(const Tox* tox, uint32_t group_number, uint32_t peer_number, uint8_t file_kind, uint64_t file_size, uint8_t transfer_id, const uint8_t* file_id, size_t file_id_size) {
static bool _send_pkg_FT1_INIT(const Tox* tox, uint32_t group_number, uint32_t peer_number, uint32_t file_kind, uint64_t file_size, uint8_t transfer_id, const uint8_t* file_id, size_t file_id_size) {
// - 1 byte packet id
// - 1 byte (file_kind)
// - 4 byte (file_kind)
// - 8 bytes (data size)
// - 1 byte (temporary_file_tf_id, for this peer only, technically just a prefix to distinguish between simultainious fts)
// - X bytes (file_kind dependent id, differnt sizes)
std::vector<uint8_t> pkg;
pkg.push_back(NGC_EXT::FT1_INIT);
pkg.push_back(file_kind);
for (size_t i = 0; i < sizeof(file_kind); i++) {
pkg.push_back((file_kind>>(i*8)) & 0xff);
}
for (size_t i = 0; i < sizeof(file_size); i++) {
pkg.push_back((file_size>>(i*8)) & 0xff);
}
@ -541,13 +545,13 @@ static void _handle_FT1_REQUEST(
NGC_FT1* ngc_ft1_ctx = static_cast<NGC_FT1*>(user_data);
size_t curser = 0;
// TODO: might be uint16_t or even larger
uint8_t file_kind_u8;
_DATA_HAVE(sizeof(file_kind_u8), fprintf(stderr, "FT: packet too small, missing file_kind\n"); return)
file_kind_u8 = data[curser++];
auto file_kind = static_cast<NGC_FT1_file_kind>(file_kind_u8);
uint32_t file_kind {0u};
_DATA_HAVE(sizeof(file_kind), fprintf(stderr, "FT: packet too small, missing file_kind\n"); return)
for (size_t i = 0; i < sizeof(file_kind); i++, curser++) {
file_kind |= uint32_t(data[curser]) << (i*8);
}
fprintf(stderr, "FT: got FT request with file_kind %u [", file_kind_u8);
fprintf(stderr, "FT: got FT request with file_kind %u [", file_kind);
for (size_t curser_copy = curser; curser_copy < length; curser_copy++) {
fprintf(stderr, "%02X", data[curser_copy]);
}
@ -582,13 +586,12 @@ static void _handle_FT1_INIT(
NGC_FT1* ngc_ft1_ctx = static_cast<NGC_FT1*>(user_data);
size_t curser = 0;
// - 1 byte (file_kind)
// TODO: might be uint16_t or even larger
uint8_t file_kind_u8;
_DATA_HAVE(sizeof(file_kind_u8), fprintf(stderr, "FT: packet too small, missing file_kind\n"); return)
file_kind_u8 = data[curser++];
auto file_kind = static_cast<NGC_FT1_file_kind>(file_kind_u8);
// - 4 byte (file_kind)
uint32_t file_kind {0u};
_DATA_HAVE(sizeof(file_kind), fprintf(stderr, "FT: packet too small, missing file_kind\n"); return)
for (size_t i = 0; i < sizeof(file_kind); i++, curser++) {
file_kind |= uint32_t(data[curser]) << (i*8);
}
// - 8 bytes (data size)
size_t file_size {0u};
@ -605,7 +608,7 @@ static void _handle_FT1_INIT(
// - X bytes (file_kind dependent id, differnt sizes)
const std::vector file_id(data+curser, data+curser+(length-curser));
fprintf(stderr, "FT: got FT init with file_kind:%u file_size:%lu tf_id:%u [", file_kind_u8, file_size, transfer_id);
fprintf(stderr, "FT: got FT init with file_kind:%u file_size:%lu tf_id:%u [", file_kind, file_size, transfer_id);
for (size_t curser_copy = curser; curser_copy < length; curser_copy++) {
fprintf(stderr, "%02X", data[curser_copy]);
}

61
ngc_ft1.h
View File

@ -18,7 +18,7 @@ typedef struct NGC_FT1 NGC_FT1;
struct NGC_FT1_options {
// TODO
size_t acks_per_packet; // 5
size_t acks_per_packet; // 3
float init_retry_timeout_after; // 10sec
@ -28,15 +28,16 @@ struct NGC_FT1_options {
size_t packet_window_size; // 2
};
// uint16_t ?
// uint32_t - same as tox friend ft
// ffs c does not allow types
typedef enum NGC_FT1_file_kind /*: uint8_t*/ {
//INVALID = 0u,
typedef enum NGC_FT1_file_kind /*: uint32_t*/ {
//INVALID = 0u, // DATA?
// id:
// group (implicit)
// peer pub key + msg_id
NGC_HS1_MESSAGE_BY_ID = 1u, // history sync PoC 1
// TODO: oops, 1 should be avatar v1
// id: TOX_FILE_ID_LENGTH (32) bytes
// this is basically and id and probably not a hash, like the tox friend api
@ -48,32 +49,54 @@ typedef enum NGC_FT1_file_kind /*: uint8_t*/ {
// draft: (for single file)
// - 256 bytes | filename
// - 8bytes | file size
// - 4bytes | chunk size
// - array of chunk hashes (ids) [
// - SHA1 bytes (20)
// - ]
HASH_SHA1_INFO,
// draft: (for single file) v2
// - c-string | filename
// - 8bytes | file size
// - 4bytes | chunk size
// - array of chunk hashes (ids) [
// - SHA1 bytes (20)
// - ]
HASH_SHA1_INFO2,
// draft: multiple files
// - 4bytes | number of filenames
// - array of filenames (variable length c-strings) [
// - c-string | filename (including path and '/' as dir seperator)
// - ]
// - 256 bytes | filename
// - 8bytes | file size
// - fixed chunk size of 4kb
// - array of chunk hashes (ids) [
// - SHAX bytes
// - ]
HASH_SHA1_INFO,
HASH_SHA2_INFO,
HASH_SHA1_INFO3,
HASH_SHA2_INFO, // hm?
// id: hash of the content
// TODO: fixed chunk size or variable (defined in info)
// if "variable" sized, it can be aliased with TORRENT_VX_CHUNK in the implementation
// if "variable" sized, it can be aliased with TORRENT_V1_CHUNK in the implementation
HASH_SHA1_CHUNK,
HASH_SHA2_CHUNK,
// :)
// draft for fun and profit
// TODO: should we even support v1?
// TODO: design the same thing again for tox? (msg_pack instead of bencode?)
// id: infohash
TORRENT_V1_METAINFO,
// id: sha1
TORRENT_V1_CHUNK, // alias with SHA1_CHUNK?
TORRENT_V1_PIECE, // alias with SHA1_CHUNK?
// id: infohash
TORRENT_V2_METAINFO, // meta info is kind of more complicated than that <.<
// in v2, metainfo contains only the root hashes of the merkletree(s)
TORRENT_V2_METAINFO,
// id: root hash
// contains all the leaf hashes for a file root hash
TORRENT_V2_FILE_HASHES,
// id: sha256
TORRENT_V2_CHUNK,
// always of size 16KiB, except if last piece in file
TORRENT_V2_PIECE,
} NGC_FT1_file_kind;
// ========== init / kill ==========
@ -93,7 +116,7 @@ void NGC_FT1_iterate(Tox *tox, NGC_FT1* ngc_ft1_ctx, float time_delta);
void NGC_FT1_send_request_private(
Tox *tox, NGC_FT1* ngc_ft1_ctx,
uint32_t group_number, uint32_t peer_number,
NGC_FT1_file_kind file_kind,
uint32_t file_kind,
const uint8_t* file_id, size_t file_id_size
);
@ -106,7 +129,7 @@ typedef void NGC_FT1_recv_request_cb(
void NGC_FT1_register_callback_recv_request(
NGC_FT1* ngc_ft1_ctx,
NGC_FT1_file_kind file_kind,
uint32_t file_kind,
NGC_FT1_recv_request_cb* callback,
void* user_data
);
@ -117,7 +140,7 @@ void NGC_FT1_register_callback_recv_request(
bool NGC_FT1_send_init_private(
Tox *tox, NGC_FT1* ngc_ft1_ctx,
uint32_t group_number, uint32_t peer_number,
NGC_FT1_file_kind file_kind,
uint32_t file_kind,
const uint8_t* file_id, size_t file_id_size,
size_t file_size,
uint8_t* transfer_id
@ -135,7 +158,7 @@ typedef bool NGC_FT1_recv_init_cb(
void NGC_FT1_register_callback_recv_init(
NGC_FT1* ngc_ft1_ctx,
NGC_FT1_file_kind file_kind,
uint32_t file_kind,
NGC_FT1_recv_init_cb* callback,
void* user_data
);
@ -155,7 +178,7 @@ typedef void NGC_FT1_recv_data_cb(
void NGC_FT1_register_callback_recv_data(
NGC_FT1* ngc_ft1_ctx,
NGC_FT1_file_kind file_kind,
uint32_t file_kind,
NGC_FT1_recv_data_cb* callback,
void* user_data
);
@ -174,7 +197,7 @@ typedef void NGC_FT1_send_data_cb(
void NGC_FT1_register_callback_send_data(
NGC_FT1* ngc_ft1_ctx,
NGC_FT1_file_kind file_kind,
uint32_t file_kind,
NGC_FT1_send_data_cb* callback,
void* user_data
);