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wip send file request

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Green Sky
2022-10-03 23:33:08 +02:00
parent 97a5241fad
commit 41150a0332
5 changed files with 243 additions and 32 deletions
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92
ngc_ft1.cpp
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@@ -2,16 +2,27 @@
#include "ngc_ext_common.hpp"
#include <vector>
#include <cassert>
struct NGC_FT1 {
NGC_FT1_options options;
};
static void _handle_FT1_REQUEST(Tox* tox, NGC_EXT_CTX* ngc_ext_ctx, uint32_t group_number, uint32_t peer_number, const uint8_t *data, size_t length);
//static void _handle_FT1_INIT(Tox* tox, NGC_EXT_CTX* ngc_ext_ctx, uint32_t group_number, uint32_t peer_number, const uint8_t *data, size_t length);
//static void _handle_FT1_INIT_ACK(Tox* tox, NGC_EXT_CTX* ngc_ext_ctx, uint32_t group_number, uint32_t peer_number, const uint8_t *data, size_t length);
//static void _handle_FT1_DATA(Tox* tox, NGC_EXT_CTX* ngc_ext_ctx, uint32_t group_number, uint32_t peer_number, const uint8_t *data, size_t length);
//static void _handle_FT1_DATA_ACK(Tox* tox, NGC_EXT_CTX* ngc_ext_ctx, uint32_t group_number, uint32_t peer_number, const uint8_t *data, size_t length);
//static void _handle_FT1_DATA_FIN(Tox* tox, NGC_EXT_CTX* ngc_ext_ctx, uint32_t group_number, uint32_t peer_number, const uint8_t *data, size_t length);
//static void _handle_FT1_DATA_FIN_ACK(Tox* tox, NGC_EXT_CTX* ngc_ext_ctx, uint32_t group_number, uint32_t peer_number, const uint8_t *data, size_t length);
bool NGC_FT1_init(NGC_EXT_CTX* ngc_ext_ctx, const struct NGC_FT1_options* options) {
ngc_ext_ctx->ngc_ft1_ctx = new NGC_FT1;
ngc_ext_ctx->ngc_ft1_ctx->options = *options;
ngc_ext_ctx->callbacks[FT1_REQUEST] = nullptr;
ngc_ext_ctx->callbacks[FT1_REQUEST] = _handle_FT1_REQUEST;
ngc_ext_ctx->callbacks[FT1_INIT] = nullptr;
ngc_ext_ctx->callbacks[FT1_INIT_ACK] = nullptr;
ngc_ext_ctx->callbacks[FT1_DATA] = nullptr;
@@ -29,3 +40,82 @@ void NGC_FT1_kill(NGC_EXT_CTX* ngc_ext_ctx) {
ngc_ext_ctx->ngc_ft1_ctx = nullptr;
}
// iterate
void NGC_FT1_request(
Tox *tox, NGC_EXT_CTX* ngc_ext_ctx,
uint32_t group_number,
NGC_FT1_file_kind file_kind,
const uint8_t* file_id,
size_t file_id_size
) {
// just call private for every peer in group?
for (;;) {
uint32_t peer_number = 0;
NGC_FT1_request_private(tox, ngc_ext_ctx, group_number, peer_number, file_kind, file_id, file_id_size);
assert(false && "not implemented");
}
}
void NGC_FT1_request_private(
Tox *tox, NGC_EXT_CTX* ngc_ext_ctx,
uint32_t group_number,
uint32_t peer_number,
NGC_FT1_file_kind file_kind,
const uint8_t* file_id,
size_t file_id_size
) {
assert(tox);
assert(ngc_ext_ctx);
assert(ngc_ext_ctx->ngc_ft1_ctx);
// record locally that we sent(or want to send) the request?
// - 1 byte packet id
// - 1 byte (TODO: more?) file_kind
// - X bytes file_id
std::vector<uint8_t> pkg;
pkg.push_back(FT1_REQUEST);
pkg.push_back(file_kind);
for (size_t i = 0; i < file_id_size; i++) {
pkg.push_back(file_id[i]);
}
// lossless
tox_group_send_custom_private_packet(tox, group_number, peer_number, true, pkg.data(), pkg.size(), nullptr);
}
#define _DATA_HAVE(x, error) if ((length - curser) < (x)) { error; }
static void _handle_FT1_REQUEST(
Tox* tox,
NGC_EXT_CTX* ngc_ext_ctx,
uint32_t group_number,
uint32_t peer_number,
const uint8_t *data,
size_t length
) {
size_t curser = 0;
// TODO: might be uint16_t or even larger
uint8_t file_kind;
_DATA_HAVE(sizeof(file_kind), fprintf(stderr, "packet too small, missing file_kind\n"); return)
file_kind = data[curser++];
fprintf(stderr, "got FT request with file_kind %u [", file_kind);
for (; curser < length; curser++) {
fprintf(stderr, "%02X", data[curser]);
}
fprintf(stderr, "]\n");
}
#undef _DATA_HAVE