Green-Sky/tmp_solplug_ngcft1
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Green Sky 2023-08-08 13:21:38 +02:00
parent a9f1b048fd
commit 6e058a7596
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3 changed files with 79 additions and 72 deletions
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1
src/CMakeLists.txt
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@ -12,6 +12,7 @@ target_link_libraries(ngcext PUBLIC
######################################## ########################################
add_library(ngcft1 STATIC add_library(ngcft1 STATIC
./ngcft1_file_kind.hpp
./ngcft1.hpp ./ngcft1.hpp
./ngcft1.cpp ./ngcft1.cpp

74
src/ngcft1.hpp
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@ -11,81 +11,11 @@
#include "./rcv_buf.hpp" #include "./rcv_buf.hpp"
#include "./snd_buf.hpp" #include "./snd_buf.hpp"
#include "./ngcft1_file_kind.hpp"
#include <map> #include <map>
#include <set> #include <set>
// uint32_t - same as tox friend ft
// TODO: fill in toxfriend file kinds
enum class NGCFT1_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
// this id can be unique between 2 peers
ID = 8u,
// id: hash of the info, like a torrent infohash (using the same hash as the data)
// TODO: determain internal format
// 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_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_V1_CHUNK in the implementation
HASH_SHA1_CHUNK,
HASH_SHA2_CHUNK,
// TODO: design the same thing again for tox? (msg_pack instead of bencode?)
// id: infohash
TORRENT_V1_METAINFO,
// id: sha1
TORRENT_V1_PIECE, // alias with SHA1_CHUNK?
// TODO: fix all the v2 stuff here
// id: infohash
// 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
// always of size 16KiB, except if last piece in file
TORRENT_V2_PIECE,
};
// TODO: events // TODO: events
//typedef void NGC_FT1_recv_request_cb( //typedef void NGC_FT1_recv_request_cb(
//Tox *tox, //Tox *tox,

76
src/ngcft1_file_kind.hpp Normal file
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@ -0,0 +1,76 @@
#pragma once
#include <cstdint>
// uint32_t - same as tox friend ft
// TODO: fill in toxfriend file kinds
enum class NGCFT1_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
// this id can be unique between 2 peers
ID = 8u,
// id: hash of the info, like a torrent infohash (using the same hash as the data)
// TODO: determain internal format
// 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_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_V1_CHUNK in the implementation
HASH_SHA1_CHUNK,
HASH_SHA2_CHUNK,
// TODO: design the same thing again for tox? (msg_pack instead of bencode?)
// id: infohash
TORRENT_V1_METAINFO,
// id: sha1
TORRENT_V1_PIECE, // alias with SHA1_CHUNK?
// TODO: fix all the v2 stuff here
// id: infohash
// 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
// always of size 16KiB, except if last piece in file
TORRENT_V2_PIECE,
};