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Allow for a udp handshake

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This commit is contained in:
Jack Garrard 2022-10-23 16:37:47 -07:00
parent 968f513bf2
commit 694c9e73d6
4 changed files with 71 additions and 19 deletions
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2
include/server/Client.hpp
View file

@ -197,6 +197,8 @@ class Client {
void updateTagInfo(TagInf *packet);
void updateCaptureInfo(CaptureInf* packet);
void sendToStage(ChangeStagePacket* packet);
void sendUdpHolePunch();
void sendUdpInit();
void disconnectPlayer(PlayerDC *packet);
PuppetInfo* findPuppetInfo(const nn::account::Uid& id, bool isFindAvailable);

2
include/server/SocketClient.hpp
View file

@ -44,7 +44,7 @@ class SocketClient : public SocketBase {
void printPacket(Packet* packet);
bool isConnected() { return socket_log_state == SOCKET_LOG_CONNECTED; }
u16 getUdpPort();
u16 getLocalUdpPort();
s32 setPeerUdpPort(u16 port);
u32 getSendCount() { return mSendQueue.getCount(); }

51
source/server/Client.cpp
View file

@ -383,6 +383,19 @@ void Client::readFunc() {
maxPuppets = initPacket->maxPlayers - 1;
break;
}
case PacketType::UDPINIT: {
UdpInit* initPacket = (UdpInit*)curPacket;
Logger::log("Received udp init packet from server");
sInstance->mSocket->setPeerUdpPort(initPacket->port);
sendUdpHolePunch();
sendUdpInit();
break;
}
case PacketType::HOLEPUNCH:
sendUdpHolePunch();
break;
default:
Logger::log("Discarding Unknown Packet Type.\n");
break;
@ -939,7 +952,45 @@ void Client::sendToStage(ChangeStagePacket* packet) {
GameDataFunction::tryChangeNextStage(accessor, &info);
}
}
/**
* @brief
* Send a udp holepunch packet to the server
*/
void Client::sendUdpHolePunch() {
if (!sInstance) {
Logger::log("Static Instance is Null!\n");
return;
}
sead::ScopedCurrentHeapSetter setter(sInstance->mHeap);
HolePunch *packet = new HolePunch();
packet->mUserID = sInstance->mUserID;
sInstance->mSocket->queuePacket(packet);
}
/**
* @brief
* Send a udp init packet to server
*/
void Client::sendUdpInit() {
if (!sInstance) {
Logger::log("Static Instance is Null!\n");
return;
}
sead::ScopedCurrentHeapSetter setter(sInstance->mHeap);
UdpInit *packet = new UdpInit();
packet->mUserID = sInstance->mUserID;
packet->port = sInstance->mSocket->getLocalUdpPort();
sInstance->mSocket->queuePacket(packet);
}
/**
* @brief
*

21
source/server/SocketClient.cpp
View file

@ -91,10 +91,7 @@ nn::Result SocketClient::init(const char* ip, u16 port) {
udpAddress.port = nn::socket::InetHtons(41553);
udpAddress.family = 2;
this->udp_addr = udpAddress;
// udpAddress.address = hostAddress;
// udpAddress.port = nn::socket::InetHtons(57734);
// udpAddress.family = 2;
this->has_recv_udp = false;
if((result = nn::socket::Connect(this->udp_socket, &udpAddress, sizeof(udpAddress))).isFailure()) {
Logger::log("Udp Socket Connection Failed!\n");
@ -128,7 +125,7 @@ nn::Result SocketClient::init(const char* ip, u16 port) {
}
u16 SocketClient::getUdpPort() {
u16 SocketClient::getLocalUdpPort() {
sockaddr udpAddress = { 0 };
u32 size = sizeof(udpAddress);
@ -235,19 +232,21 @@ bool SocketClient::recv() {
Packet* header = reinterpret_cast<Packet*>(headerBuf);
int fullSize = header->mPacketSize + sizeof(Packet);
// Verify packet size is appropriate
if (result < fullSize || result > MAXPACKSIZE || fullSize > MAXPACKSIZE){
return true;
}
char* packetBuf = (char*)malloc(fullSize);
// Verify type of packet
if (!(header->mType > PacketType::UNKNOWN && header->mType < PacketType::End)) {
Logger::log("Failed to acquire valid packet type! Packet Type: %d Full Packet Size %d valread size: %d", header->mType, fullSize, result);
free(packetBuf);
return true;
}
this->has_recv_udp = true;
char* packetBuf = (char*)mHeap->alloc(fullSize);
if (packetBuf){
memcpy(packetBuf, headerBuf, fullSize);
@ -255,9 +254,9 @@ bool SocketClient::recv() {
if(!mRecvQueue.isFull()) {
mRecvQueue.push((s64)packet, sead::MessageQueue::BlockType::NonBlocking);
this->has_recv_udp = true;
} else {
free(packetBuf);
mHeap->free(packetBuf);
}
}
return true;
}