ft1 done
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47b89ae577
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9ea1fbd725
249
src/ngcft1.cpp
249
src/ngcft1.cpp
@ -1,9 +1,12 @@
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#include "./ngcft1.hpp"
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#include <solanaceae/toxcore/utils.hpp>
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#include <iostream>
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#include <set>
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#include <algorithm>
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#include <cassert>
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#include <vector>
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bool NGCFT1::sendPKG_FT1_REQUEST(
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uint32_t group_number, uint32_t peer_number,
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@ -128,11 +131,11 @@ void NGCFT1::updateSendTransfer(float time_delta, uint32_t group_number, uint32_
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if (tf.time_since_activity >= init_retry_timeout_after) {
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if (tf.inits_sent >= 3) {
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// delete, timed out 3 times
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fprintf(stderr, "FT: warning, ft init timed out, deleting\n");
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std::cerr << "NGCFT1 warning: ft init timed out, deleting\n";
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tf_opt.reset();
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} else {
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// timed out, resend
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fprintf(stderr, "FT: warning, ft init timed out, resending\n");
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std::cerr << "NGCFT1 warning: ft init timed out, resending\n";
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sendPKG_FT1_INIT(group_number, peer_number, tf.file_kind, tf.file_size, idx, tf.file_id.data(), tf.file_id.size());
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tf.inits_sent++;
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tf.time_since_activity = 0.f;
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@ -156,7 +159,7 @@ void NGCFT1::updateSendTransfer(float time_delta, uint32_t group_number, uint32_
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if (tf.time_since_activity >= sending_give_up_after) {
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// no ack after 30sec, close ft
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// TODO: notify app
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fprintf(stderr, "FT: warning, sending ft in progress timed out, deleting\n");
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std::cerr << "NGCFT1 warning: sending ft in progress timed out, deleting\n";
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// clean up cca
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tf.ssb.for_each(time_delta, [&](uint16_t id, const std::vector<uint8_t>& data, float& time_since_activity) {
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@ -247,7 +250,7 @@ void NGCFT1::updateSendTransfer(float time_delta, uint32_t group_number, uint32_
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if (tf.time_since_activity >= sending_give_up_after) {
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// no ack after 30sec, close ft
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// TODO: notify app
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fprintf(stderr, "FT: warning, sending ft finishing timed out, deleting\n");
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std::cerr << "NGCFT1 warning: sending ft finishing timed out, deleting\n";
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// clean up cca
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tf.ssb.for_each(time_delta, [&](uint16_t id, const std::vector<uint8_t>& data, float& time_since_activity) {
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@ -259,7 +262,7 @@ void NGCFT1::updateSendTransfer(float time_delta, uint32_t group_number, uint32_
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}
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break;
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default: // invalid state, delete
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fprintf(stderr, "FT: error, ft in invalid state, deleting\n");
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std::cerr << "NGCFT1 error: ft in invalid state, deleting\n";
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tf_opt.reset();
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//continue;
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return;
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@ -305,6 +308,8 @@ void NGCFT1::NGC_FT1_send_request_private(
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uint32_t file_kind,
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const uint8_t* file_id, size_t file_id_size
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) {
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// TODO: error check
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sendPKG_FT1_REQUEST(group_number, peer_number, file_kind, file_id, file_id_size);
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}
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bool NGCFT1::NGC_FT1_send_init_private(
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@ -314,31 +319,241 @@ bool NGCFT1::NGC_FT1_send_init_private(
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size_t file_size,
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uint8_t* transfer_id
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) {
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if (std::get<0>(_t.toxGroupPeerGetConnectionStatus(group_number, peer_number)).value_or(TOX_CONNECTION_NONE) == TOX_CONNECTION_NONE) {
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std::cerr << "NGCFT1 error: cant init ft, peer offline\n";
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return false;
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}
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auto& peer = groups[group_number].peers[peer_number];
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// allocate transfer_id
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size_t idx = peer.next_send_transfer_idx;
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peer.next_send_transfer_idx = (peer.next_send_transfer_idx + 1) % 256;
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{ // TODO: extract
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size_t i = idx;
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bool found = false;
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do {
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if (!peer.send_transfers[i].has_value()) {
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// free slot
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idx = i;
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found = true;
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break;
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}
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i = (i + 1) % 256;
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} while (i != idx);
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if (!found) {
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std::cerr << "NGCFT1 error: cant init ft, no free transfer slot\n";
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return false;
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}
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}
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// TODO: check return value
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sendPKG_FT1_INIT(group_number, peer_number, file_kind, file_size, idx, file_id, file_id_size);
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peer.send_transfers[idx] = Group::Peer::SendTransfer{
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file_kind,
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std::vector(file_id, file_id+file_id_size),
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Group::Peer::SendTransfer::State::INIT_SENT,
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1,
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0.f,
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file_size,
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0,
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{}, // ssb
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};
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if (transfer_id != nullptr) {
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*transfer_id = idx;
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}
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return true;
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}
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bool NGCFT1::onEvent(const Events::NGCEXT_ft1_request&) {
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std::cout << "NGCFT1: FT1_REQUEST\n";
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return false;
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bool NGCFT1::onEvent(const Events::NGCEXT_ft1_request& e) {
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std::cout << "NGCFT1: FT1_REQUEST fk:" << e.file_kind << " [" << bin2hex(e.file_id) << "]\n";
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// .... just rethrow??
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// TODO: dont
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return dispatch(
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NGCFT1_Event::recv_request,
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Events::NGCFT1_recv_request{
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e.group_number, e.peer_number,
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static_cast<NGCFT1_file_kind>(e.file_kind),
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e.file_id.data(), e.file_id.size()
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}
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);
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}
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bool NGCFT1::onEvent(const Events::NGCEXT_ft1_init&) {
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std::cout << "NGCFT1: FT1_INIT\n";
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return false;
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bool NGCFT1::onEvent(const Events::NGCEXT_ft1_init& e) {
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std::cout << "NGCFT1: FT1_INIT fk:" << e.file_kind << " fs:" << e.file_size << " tid:" << e.transfer_id << " [" << bin2hex(e.file_id) << "]\n";
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bool accept = false;
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dispatch(
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NGCFT1_Event::recv_init,
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Events::NGCFT1_recv_init{
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e.group_number, e.peer_number,
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static_cast<NGCFT1_file_kind>(e.file_kind),
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e.file_id.data(), e.file_id.size(),
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e.transfer_id,
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e.file_size,
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accept
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}
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);
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if (!accept) {
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std::cout << "NGCFT1: rejected init\n";
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return true; // return true?
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}
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sendPKG_FT1_INIT_ACK(e.group_number, e.peer_number, e.transfer_id);
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std::cout << "NGCFT1: accepted init\n";
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auto& peer = groups[e.group_number].peers[e.peer_number];
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if (peer.recv_transfers[e.transfer_id].has_value()) {
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std::cerr << "NGCFT1 warning: overwriting existing recv_transfer " << e.transfer_id << "\n";
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}
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peer.recv_transfers[e.transfer_id] = Group::Peer::RecvTransfer{
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e.file_kind,
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e.file_id,
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Group::Peer::RecvTransfer::State::INITED,
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e.file_size,
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0u,
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{} // rsb
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};
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return true;
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}
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bool NGCFT1::onEvent(const Events::NGCEXT_ft1_init_ack&) {
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bool NGCFT1::onEvent(const Events::NGCEXT_ft1_init_ack& e) {
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std::cout << "NGCFT1: FT1_INIT_ACK\n";
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return false;
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// we now should start sending data
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if (!groups.count(e.group_number)) {
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std::cerr << "NGCFT1 warning: init_ack for unknown group\n";
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return true;
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}
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Group::Peer& peer = groups[e.group_number].peers[e.peer_number];
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if (!peer.send_transfers[e.transfer_id].has_value()) {
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std::cerr << "NGCFT1 warning: init_ack for unknown transfer\n";
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return true;
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}
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Group::Peer::SendTransfer& transfer = peer.send_transfers[e.transfer_id].value();
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using State = Group::Peer::SendTransfer::State;
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if (transfer.state != State::INIT_SENT) {
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std::cerr << "NGCFT1 error: inti_ack but not in INIT_SENT state\n";
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return true;
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}
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// iterate will now call NGC_FT1_send_data_cb
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transfer.state = State::SENDING;
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transfer.time_since_activity = 0.f;
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return true;
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}
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bool NGCFT1::onEvent(const Events::NGCEXT_ft1_data&) {
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bool NGCFT1::onEvent(const Events::NGCEXT_ft1_data& e) {
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std::cout << "NGCFT1: FT1_DATA\n";
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return false;
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if (e.data.empty()) {
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std::cerr << "NGCFT1 error: data of size 0!\n";
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return true;
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}
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if (!groups.count(e.group_number)) {
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std::cerr << "NGCFT1 warning: data for unknown group\n";
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return true;
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}
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Group::Peer& peer = groups[e.group_number].peers[e.peer_number];
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if (!peer.recv_transfers[e.transfer_id].has_value()) {
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std::cerr << "NGCFT1 warning: data for unknown transfer\n";
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return true;
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}
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auto& transfer = peer.recv_transfers[e.transfer_id].value();
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// do reassembly, ignore dups
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transfer.rsb.add(e.sequence_id, std::vector<uint8_t>(e.data)); // TODO: ugly explicit copy for what should just be a move
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// loop for chunks without holes
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while (transfer.rsb.canPop()) {
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auto data = transfer.rsb.pop();
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// TODO: check return value
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dispatch(
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NGCFT1_Event::recv_data,
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Events::NGCFT1_recv_data{
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e.group_number, e.peer_number,
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e.transfer_id,
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transfer.file_size_current,
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data.data(), data.size()
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}
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);
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transfer.file_size_current += data.size();
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}
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// send acks
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std::vector<uint16_t> ack_seq_ids(transfer.rsb.ack_seq_ids.cbegin(), transfer.rsb.ack_seq_ids.cend());
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// TODO: check if this caps at max acks
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if (!ack_seq_ids.empty()) {
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// TODO: check return value
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sendPKG_FT1_DATA_ACK(e.group_number, e.peer_number, e.transfer_id, ack_seq_ids.data(), ack_seq_ids.size());
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}
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return true;
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}
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bool NGCFT1::onEvent(const Events::NGCEXT_ft1_data_ack&) {
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bool NGCFT1::onEvent(const Events::NGCEXT_ft1_data_ack& e) {
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std::cout << "NGCFT1: FT1_DATA_ACK\n";
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return false;
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if (!groups.count(e.group_number)) {
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std::cerr << "NGCFT1 warning: data_ack for unknown group\n";
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return true;
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}
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Group::Peer& peer = groups[e.group_number].peers[e.peer_number];
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if (!peer.send_transfers[e.transfer_id].has_value()) {
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std::cerr << "NGCFT1 warning: data_ack for unknown transfer\n";
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return true;
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}
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Group::Peer::SendTransfer& transfer = peer.send_transfers[e.transfer_id].value();
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using State = Group::Peer::SendTransfer::State;
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if (transfer.state != State::SENDING && transfer.state != State::FINISHING) {
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std::cerr << "NGCFT1 error: data_ack but not in SENDING or FINISHING state (" << int(transfer.state) << ")\n";
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return true;
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}
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//if ((length - curser) % sizeof(uint16_t) != 0) {
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//fprintf(stderr, "FT: data_ack with misaligned data\n");
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//return;
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//}
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transfer.time_since_activity = 0.f;
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std::vector<LEDBAT::SeqIDType> seqs;
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for (const auto it : e.sequence_ids) {
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// TODO: improve this o.o
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seqs.push_back({e.transfer_id, it});
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transfer.ssb.erase(it);
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}
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peer.cca.onAck(seqs);
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// delete if all packets acked
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if (transfer.file_size == transfer.file_size_current && transfer.ssb.size() == 0) {
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std::cout << "NGCFT1: " << e.transfer_id << " done\n";
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peer.send_transfers[e.transfer_id].reset();
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}
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return true;
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}
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