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controller_patcher/network/TCPServer.cpp

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/****************************************************************************
* Copyright (C) 2016,2017 Maschell
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
****************************************************************************/
#include "TCPServer.hpp"
#include <malloc.h>
#include <stdio.h>
#include <sys/time.h>
#include <string.h>
#include "../ControllerPatcher.hpp"
#include "./ControllerPatcherNet.hpp"
#define WIIU_CP_TCP_HANDSHAKE 0x12
#define WIIU_CP_TCP_SAME_CLIENT 0x20
#define WIIU_CP_TCP_NEW_CLIENT 0x21
#define ATTACH 0x01
#define DETACH 0x00
#define WIIU_CP_TCP_ATTACH 0x01
#define WIIU_CP_TCP_DETACH 0x02
#define WIIU_CP_TCP_PING 0xF0
#define WIIU_CP_TCP_ATTACH_CONFIG_FOUND 0xE0
#define WIIU_CP_TCP_ATTACH_CONFIG_NOT_FOUND 0xE1
#define WIIU_CP_TCP_ATTACH_USER_DATA_OKAY 0xE8
#define WIIU_CP_TCP_ATTACH_USER_DATA_BAD 0xE9
#define errno (*__gh_errno_ptr())
ControllerPatcherThread * TCPServer::pThread = NULL;
TCPServer * TCPServer::instance = NULL;
TCPServer::TCPServer(int port){
this->sockfd = -1;
this->clientfd = -1;
memset(&(this->sock_addr),0,sizeof(this->sock_addr));
TCPServer::AttachDetach(DETACH);
StartTCPThread(this);
}
TCPServer::~TCPServer(){
CloseSockets();
if(HID_DEBUG) log_printf("TCPServer: Thread will be closed\n");
TCPServer::AttachDetach(DETACH);
exitThread = 1;
if(TCPServer::pThread != NULL){
if(HID_DEBUG) log_printf("TCPServer: Deleting it!\n");
delete TCPServer::pThread;
}
if(HID_DEBUG) log_printf("TCPServer: Thread done\n");
TCPServer::pThread = NULL;
}
void TCPServer::CloseSockets(){
if (this->sockfd != -1){
socketclose(this->sockfd);
}
if (this->clientfd != -1){
socketclose(this->clientfd);
}
this->sockfd = -1;
this->clientfd = -1;
}
void TCPServer::StartTCPThread(TCPServer * server){
TCPServer::pThread = ControllerPatcherThread::create(TCPServer::DoTCPThread, (void*)server, ControllerPatcherThread::eAttributeAffCore2,28);
TCPServer::pThread->resumeThread();
}
void TCPServer::AttachDetach(int attach){
if(HID_DEBUG){
if(attach){
log_printf("TCPServer: Network Attach\n");
}else{
log_printf("TCPServer: Network Detach\n");
}
}
for(int i= 0;i< gHIDMaxDevices;i++){
for(int j= 0;j< HID_MAX_PADS_COUNT;j++){
if(gNetworkController[i][j][NETWORK_CONTROLLER_ACTIVE] > 0){
log_printf("Found a registered pad in deviceslot %d and padslot %d! Lets detach it.\n",i,j);
HIDDevice device;
memset(&device,0,sizeof(device));
device.interface_index = 0;
device.vid = gNetworkController[i][j][NETWORK_CONTROLLER_VID];
device.pid = gNetworkController[i][j][NETWORK_CONTROLLER_PID];
device.handle = gNetworkController[i][j][NETWORK_CONTROLLER_HANDLE];
device.max_packet_size_rx = 8;
ControllerPatcherHID::externAttachDetachCallback(&device,attach);
memset(gNetworkController[i][j],0,sizeof(gNetworkController[i][j]));
}
}
}
if(HID_DEBUG){
if(attach){
log_printf("TCPServer: Network Attach DONE!\n");
}else{
log_printf("TCPServer: Network Detach DONE!\n");
}
}
}
void TCPServer::DetachAndDelete(){
TCPServer::AttachDetach(DETACH);
memset(&gNetworkController,0,sizeof(gNetworkController));
}
int TCPServer::RunTCP(){
int ret;
while (1) {
if(exitThread) break;
ret = ControllerPatcherNet::checkbyte(clientfd);
if (ret < 0) {
if(errno != 6) return ret;
usleep(1000);
continue;
}
//log_printf("got byte from tcp! %01X\n",ret);
switch (ret) {
case WIIU_CP_TCP_ATTACH: { /*attach */
int handle;
ret = ControllerPatcherNet::recvwait(clientfd, &handle, 4);
if(ret < 0){
log_printf("TCPServer::RunTCP() Error in %02X: recvwait handle\n",WIIU_CP_TCP_ATTACH);
return ret;
}
if(HID_DEBUG) log_printf("TCPServer: got handle %d\n",handle);
u16 vid = 0;
u16 pid = 0;
ret = ControllerPatcherNet::recvwait(clientfd, &vid, 2);
if(ret < 0){
log_printf("TCPServer::RunTCP() Error in %02X: recvwait vid\n",WIIU_CP_TCP_ATTACH);
return ret;
}
if(HID_DEBUG) log_printf("TCPServer: got vid %04X\n",vid);
ret = ControllerPatcherNet::recvwait(clientfd, &pid, 2);
if(ret < 0){
log_printf("TCPServer::RunTCP() Error in %02X: recvwait pid\n",WIIU_CP_TCP_ATTACH);
return ret;
}
if(HID_DEBUG) log_printf("TCPServer: got pid %04X\n",pid);
HIDDevice device;
memset(&device,0,sizeof(device));
device.handle = handle;
device.interface_index = 0;
device.vid = SWAP16(vid);
device.pid = SWAP16(pid);
device.max_packet_size_rx = 8;
my_cb_user * user = NULL;
ControllerPatcherHID::externAttachDetachCallback(&device,1);
if((ret = ControllerPatcherUtils::getDataByHandle(handle,&user)) < 0){
log_printf("TCPServer::RunTCP() Error in %02X: getDataByHandle(%d,%08X).\n",WIIU_CP_TCP_ATTACH,handle,&user);
log_printf("TCPServer::RunTCP() Error in %02X: Config for the controller is missing.\n",WIIU_CP_TCP_ATTACH);
if((ret = ControllerPatcherNet::sendbyte(clientfd, WIIU_CP_TCP_ATTACH_CONFIG_NOT_FOUND) < 0)){
log_printf("TCPServer::RunTCP() Error in %02X: Sending the WIIU_CP_TCP_ATTACH_CONFIG_NOT_FOUND byte failed. Error: %d.\n",WIIU_CP_TCP_ATTACH,ret);
}
return -1;
}
if((ret = ControllerPatcherNet::sendbyte(clientfd, WIIU_CP_TCP_ATTACH_CONFIG_FOUND) < 0)){
log_printf("TCPServer::RunTCP() Error in %02X: Sending the WIIU_CP_TCP_ATTACH_CONFIG_FOUND byte failed. Error: %d.\n",WIIU_CP_TCP_ATTACH,ret);
return ret;
}
if(user != NULL){
if((ret = ControllerPatcherNet::sendbyte(clientfd, WIIU_CP_TCP_ATTACH_USER_DATA_OKAY) < 0)){
log_printf("TCPServer::RunTCP() Error in %02X: Sending the WIIU_CP_TCP_ATTACH_USER_DATA_OKAY byte failed. Error: %d.\n",WIIU_CP_TCP_ATTACH,ret);
return ret;
}
ret = ControllerPatcherNet::sendwait(clientfd,&user->slotdata.deviceslot,2);
if(ret < 0){
log_printf("TCPServer::RunTCP() Error in %02X: sendwait slotdata: %04X\n",WIIU_CP_TCP_ATTACH,user->slotdata.deviceslot);
return ret;
}
ret = ControllerPatcherNet::sendwait(clientfd,&user->pad_slot,1);
if(ret < 0){
log_printf("TCPServer::RunTCP() Error in %02X: sendwait pad_slot: %04X\n",WIIU_CP_TCP_ATTACH,user->pad_slot);
return ret;
}
}else{
log_printf("TCPServer::RunTCP() Error in %02X: invalid user data.\n",WIIU_CP_TCP_ATTACH);
if((ret = ControllerPatcherNet::sendbyte(clientfd, WIIU_CP_TCP_ATTACH_USER_DATA_BAD) < 0)){
log_printf("TCPServer::RunTCP() Error in %02X: Sending the WIIU_CP_TCP_ATTACH_USER_DATA_BAD byte failed. Error: %d.\n",WIIU_CP_TCP_ATTACH,ret);
return ret;
}
return -1;
break;
}
if(HID_DEBUG) log_printf("TCPServer: attachted to device slot: %d , pad slot is: %d\n",user->slotdata.deviceslot,user->pad_slot);
gNetworkController[user->slotdata.deviceslot][user->pad_slot][NETWORK_CONTROLLER_VID] = device.vid;
gNetworkController[user->slotdata.deviceslot][user->pad_slot][NETWORK_CONTROLLER_PID] = device.pid;
gNetworkController[user->slotdata.deviceslot][user->pad_slot][NETWORK_CONTROLLER_ACTIVE] = 1;
gNetworkController[user->slotdata.deviceslot][user->pad_slot][NETWORK_CONTROLLER_HANDLE] = handle;
if(HID_DEBUG) log_printf("TCPServer: handle %d connected! vid: %02X pid: %02X deviceslot %d, padslot %d\n",handle,vid,pid,user->slotdata.deviceslot,user->pad_slot);
break;
}
case WIIU_CP_TCP_DETACH: { /*detach */
int handle;
ret = ControllerPatcherNet::recvwait(clientfd, &handle, 4);
if(ret < 0){
log_printf("TCPServer::RunTCP() Error in %02X: recvwait handle\n",WIIU_CP_TCP_DETACH);
return ret;
break;
}
if(HID_DEBUG) log_printf("TCPServer: got detach for handle: %d\n",handle);
my_cb_user * user = NULL;
if(ControllerPatcherUtils::getDataByHandle(handle,&user) < 0){
log_printf("TCPServer::RunTCP() Error in %02X: getDataByHandle(%d,%08X).\n",WIIU_CP_TCP_DETACH,handle,&user);
return -1;
break;
}
if(user == NULL){
log_printf("TCPServer::RunTCP() Error in %02X: invalid user data.\n",WIIU_CP_TCP_DETACH);
return -1;
break;
}
int deviceslot = user->slotdata.deviceslot;
if(HID_DEBUG) log_printf("TCPServer: device slot is: %d , pad slot is: %d\n",deviceslot,user->pad_slot);
DeviceVIDPIDInfo vidpid;
int result;
if((result = ControllerPatcherUtils::getVIDPIDbyDeviceSlot(deviceslot,&vidpid)) < 0){
log_printf("TCPServer::RunTCP() Error in %02X: Couldn't find a valid VID/PID for device slot %d. Error: %d\n",WIIU_CP_TCP_DETACH,deviceslot,ret);
return -1;
break;
}
HIDDevice device;
memset(&device,0,sizeof(device));
device.handle = handle;
device.interface_index = 0;
device.vid = SWAP16(vidpid.vid);
device.pid = SWAP16(vidpid.pid);
device.max_packet_size_rx = 14;
ControllerPatcherHID::externAttachDetachCallback(&device,DETACH);
memset(gNetworkController[deviceslot][user->pad_slot],0,sizeof(gNetworkController[deviceslot][user->pad_slot]));
if(HID_DEBUG) log_printf("TCPServer: handle %d disconnected!\n",handle);
break;
}
case WIIU_CP_TCP_PING: { /*ping*/
if(HID_DEBUG) log_printf("TCPServer: GOT PING\n");
break;
}
default:
return -1;
break;
}
}
return 0;
}
void TCPServer::ErrorHandling(){
CloseSockets();
usleep(1000*1000*2);
}
void TCPServer::DoTCPThreadInternal(){
int ret;
s32 len;
while (1) {
if(exitThread) break;
memset(&(this->sock_addr),0,sizeof(sock_addr));
sock_addr.sin_family = AF_INET;
sock_addr.sin_port = DEFAULT_TCP_PORT;
sock_addr.sin_addr.s_addr = 0;
this->sockfd = ret = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
if(ret == -1){ ErrorHandling(); continue;}
int enable = 1;
setsockopt(this->sockfd, SOL_SOCKET, SO_REUSEADDR, &enable, sizeof(enable));
ret = bind(this->sockfd, (sockaddr *)&sock_addr, 16);
if(ret < 0) { ErrorHandling(); continue;}
ret = listen(this->sockfd, 1);
if(ret < 0){ ErrorHandling(); continue;}
do{
if(HID_DEBUG) log_printf("TCPServer::DoTCPThreadInternal: Waiting for a connection\n");
if(exitThread) break;
len = 16;
clientfd = ret = accept(sockfd, (sockaddr *)&(sock_addr), &len);
if(HID_DEBUG) log_printf("TCPServer::DoTCPThreadInternal: Connection accepted\n");
if(ret == -1){ ErrorHandling(); break;}
int ret;
ret = ControllerPatcherNet::sendbyte(clientfd, WIIU_CP_TCP_HANDSHAKE); //Hey I'm a WiiU console!
if(ret < 0){ log_printf("TCPServer::DoTCPThreadInternal: Error sendbyte: %02X\n",WIIU_CP_TCP_HANDSHAKE); ErrorHandling(); break;}
if(ret < 0){ log_printf("TCPServer::DoTCPThreadInternal: Error sendbyte %02X/02X\n",WIIU_CP_TCP_NEW_CLIENT,WIIU_CP_TCP_SAME_CLIENT); ErrorHandling(); break;}
TCPServer::DetachAndDelete(); //Clear connected controller
RunTCP();
if(clientfd != -1){
socketclose(clientfd);
}
clientfd = -1;
}while(0);
TCPServer::DetachAndDelete(); //Clear connected controller
CloseSockets();
if(HID_DEBUG) log_printf("TCPServer: Connection closed\n");
continue;
}
}
void TCPServer::DoTCPThread(ControllerPatcherThread *thread, void *arg){
TCPServer * args = (TCPServer * )arg;
return args->DoTCPThreadInternal();
}
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