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ppsspp/Core/HLE/proAdhoc.cpp

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// Copyright (c) 2013- PPSSPP Project.
// 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, version 2.0 or later versions.
// 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 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official git repository and contact information can be found at
// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
// proAdhoc
// This is a direct port of Coldbird's code from http://code.google.com/p/aemu/
// All credit goes to him!
#include "ppsspp_config.h"
#if defined(_WIN32)
#include <WinSock2.h>
#include "Common/CommonWindows.h"
#endif
#if !defined(_WIN32)
#include <unistd.h>
#include <netinet/tcp.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <sys/types.h>
#if !PPSSPP_PLATFORM(SWITCH)
#include <ifaddrs.h>
#endif // !PPSSPP_PLATFORM(SWITCH)
#endif
#ifndef MSG_NOSIGNAL
// Default value to 0x00 (do nothing) in systems where it's not supported.
#define MSG_NOSIGNAL 0x00
#endif
#if defined(HAVE_LIBNX) || PPSSPP_PLATFORM(SWITCH)
#undef __BSD_VISIBLE
#define __BSD_VISIBLE 1
#include <switch.h>
#define TCP_MAXSEG 2
#endif // defined(HAVE_LIBNX) || PPSSPP_PLATFORM(SWITCH)
#include <algorithm>
#include <mutex>
#include <cstring>
#include "Common/Data/Text/I18n.h"
#include "Common/Data/Text/Parsers.h"
#include "Common/System/OSD.h"
#include "Common/Thread/ThreadUtil.h"
#include "Common/Serialize/SerializeFuncs.h"
#include "Common/TimeUtil.h"
#include "Core/Config.h"
#include "Core/Core.h"
#include "Core/HLE/sceKernelInterrupt.h"
#include "Core/HLE/sceKernelThread.h"
#include "Core/HLE/sceKernelMemory.h"
#include "Core/HLE/sceNetAdhoc.h"
#include "Core/Instance.h"
#include "proAdhoc.h"
#if PPSSPP_PLATFORM(SWITCH) && !defined(INADDR_NONE)
// Missing toolchain define
#define INADDR_NONE 0xFFFFFFFF
#endif
uint16_t portOffset;
uint32_t minSocketTimeoutUS;
uint32_t fakePoolSize = 0;
SceNetAdhocMatchingContext * contexts = NULL;
char* dummyPeekBuf64k = NULL;
int dummyPeekBuf64kSize = 65536;
int one = 1;
std::atomic<bool> friendFinderRunning(false);
SceNetAdhocctlPeerInfo * friends = NULL;
SceNetAdhocctlScanInfo * networks = NULL;
SceNetAdhocctlScanInfo * newnetworks = NULL;
u64 adhocctlStartTime = 0;
bool isAdhocctlNeedLogin = false;
bool isAdhocctlBusy = false;
int adhocctlState = ADHOCCTL_STATE_DISCONNECTED;
int adhocctlCurrentMode = ADHOCCTL_MODE_NONE;
int adhocConnectionType = ADHOC_CONNECT;
int gameModeSocket = (int)INVALID_SOCKET; // UDP/PDP socket? on Master only?
int gameModeBuffSize = 0;
u8* gameModeBuffer = nullptr;
GameModeArea masterGameModeArea;
std::vector<GameModeArea> replicaGameModeAreas;
std::vector<SceNetEtherAddr> requiredGameModeMacs;
std::vector<SceNetEtherAddr> gameModeMacs;
std::map<SceNetEtherAddr, u16_le> gameModePeerPorts;
int actionAfterAdhocMipsCall;
int actionAfterMatchingMipsCall;
// Broadcast MAC
uint8_t broadcastMAC[ETHER_ADDR_LEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
std::atomic<int> metasocket((int)INVALID_SOCKET);
SceNetAdhocctlParameter parameter;
SceNetAdhocctlAdhocId product_code;
std::thread friendFinderThread;
std::recursive_mutex peerlock;
AdhocSocket* adhocSockets[MAX_SOCKET];
bool isOriPort = false;
bool isLocalServer = false;
SockAddrIN4 g_adhocServerIP;
SockAddrIN4 g_localhostIP;
sockaddr LocalIP;
int defaultWlanChannel = PSP_SYSTEMPARAM_ADHOC_CHANNEL_11; // Don't put 0(Auto) here, it needed to be a valid/actual channel number
static std::mutex chatLogLock;
static std::vector<std::string> chatLog;
static int chatMessageGeneration = 0;
static int chatMessageCount = 0;
bool isMacMatch(const SceNetEtherAddr* addr1, const SceNetEtherAddr* addr2) {
// Ignoring the 1st byte since there are games (ie. Gran Turismo) who tamper with the 1st byte of OUI to change the unicast/multicast bit
return (memcmp(((const char*)addr1)+1, ((const char*)addr2)+1, ETHER_ADDR_LEN-1) == 0);
}
bool isLocalMAC(const SceNetEtherAddr * addr) {
SceNetEtherAddr saddr;
getLocalMac(&saddr);
return isMacMatch(addr, &saddr);
}
bool isPDPPortInUse(uint16_t port) {
// Iterate Elements
for (int i = 0; i < MAX_SOCKET; i++) {
auto sock = adhocSockets[i];
if (sock != NULL && sock->type == SOCK_PDP)
if (sock->data.pdp.lport == port)
return true;
}
// Unused Port
return false;
}
bool isPTPPortInUse(uint16_t port, bool forListen, SceNetEtherAddr* dstmac, uint16_t dstport) {
// Iterate Sockets
for (int i = 0; i < MAX_SOCKET; i++) {
auto sock = adhocSockets[i];
if (sock != NULL && sock->type == SOCK_PTP)
// It's allowed to Listen and Open the same PTP port, But it's not allowed to Listen or Open the same PTP port twice (unless destination mac or port are different).
if (sock->data.ptp.lport == port &&
((forListen && sock->data.ptp.state == ADHOC_PTP_STATE_LISTEN) ||
(!forListen && sock->data.ptp.state != ADHOC_PTP_STATE_LISTEN &&
sock->data.ptp.pport == dstport && dstmac != nullptr && isMacMatch(&sock->data.ptp.paddr, dstmac))))
{
return true;
}
}
// Unused Port
return false;
}
// Replacement for inet_ntoa since it's getting deprecated
std::string ip2str(in_addr in, bool maskPublicIP) {
char str[INET_ADDRSTRLEN] = "...";
u8* ipptr = (u8*)&in;
if (maskPublicIP && !isPrivateIP(in.s_addr))
snprintf(str, sizeof(str), "%u.%u.xx.%u", ipptr[0], ipptr[1], ipptr[3]);
else
snprintf(str, sizeof(str), "%u.%u.%u.%u", ipptr[0], ipptr[1], ipptr[2], ipptr[3]);
return std::string(str);
}
std::string mac2str(const SceNetEtherAddr *mac) {
char str[18] = ":::::";
if (mac != NULL) {
snprintf(str, sizeof(str), "%02x:%02x:%02x:%02x:%02x:%02x", mac->data[0], mac->data[1], mac->data[2], mac->data[3], mac->data[4], mac->data[5]);
}
return std::string(str);
}
SceNetAdhocMatchingMemberInternal* addMember(SceNetAdhocMatchingContext * context, SceNetEtherAddr * mac) {
if (context == NULL || mac == NULL) return NULL;
SceNetAdhocMatchingMemberInternal * peer = findPeer(context, mac);
// Already existed
if (peer != NULL) {
WARN_LOG(SCENET, "Member Peer Already Existed! Updating [%s]", mac2str(mac).c_str());
peer->state = 0;
peer->sending = 0;
peer->lastping = CoreTiming::GetGlobalTimeUsScaled();
}
// Member is not added yet
else {
peer = (SceNetAdhocMatchingMemberInternal *)malloc(sizeof(SceNetAdhocMatchingMemberInternal));
if (peer != NULL) {
memset(peer, 0, sizeof(SceNetAdhocMatchingMemberInternal));
peer->mac = *mac;
peer->lastping = CoreTiming::GetGlobalTimeUsScaled();
peerlock.lock();
peer->next = context->peerlist;
context->peerlist = peer;
peerlock.unlock();
}
}
return peer;
}
void addFriend(SceNetAdhocctlConnectPacketS2C * packet) {
if (packet == NULL) return;
// Multithreading Lock
std::lock_guard<std::recursive_mutex> guard(peerlock);
SceNetAdhocctlPeerInfo * peer = findFriend(&packet->mac);
// Already existed
if (peer != NULL) {
u32 tmpip = packet->ip;
WARN_LOG(SCENET, "Friend Peer Already Existed! Updating [%s][%s][%s]", mac2str(&packet->mac).c_str(), ip2str(*(struct in_addr*)&tmpip).c_str(), packet->name.data); //inet_ntoa(*(in_addr*)&packet->ip)
peer->nickname = packet->name;
peer->mac_addr = packet->mac;
peer->ip_addr = packet->ip;
// Calculate final IP-specific Port Offset
peer->port_offset = ((isOriPort && !isPrivateIP(peer->ip_addr)) ? 0 : portOffset);
// Update TimeStamp
peer->last_recv = CoreTiming::GetGlobalTimeUsScaled();
}
else {
// Allocate Structure
peer = (SceNetAdhocctlPeerInfo *)malloc(sizeof(SceNetAdhocctlPeerInfo));
// Allocated Structure
if (peer != NULL) {
// Clear Memory
memset(peer, 0, sizeof(SceNetAdhocctlPeerInfo));
// Save Nickname
peer->nickname = packet->name;
// Save MAC Address
peer->mac_addr = packet->mac;
// Save IP Address
peer->ip_addr = packet->ip;
// Calculate final IP-specific Port Offset
peer->port_offset = ((isOriPort && !isPrivateIP(peer->ip_addr)) ? 0 : portOffset);
// TimeStamp
peer->last_recv = CoreTiming::GetGlobalTimeUsScaled();
// Link to existing Peers
peer->next = friends;
// Link into Peerlist
friends = peer;
}
}
}
SceNetAdhocctlPeerInfo * findFriend(SceNetEtherAddr * MAC) {
if (MAC == NULL) return NULL;
// Friends Reference
SceNetAdhocctlPeerInfo * peer = friends;
// Iterate Friends
for (; peer != NULL; peer = peer->next) {
if (isMacMatch(&peer->mac_addr, MAC)) break;
}
// Return found friend
return peer;
}
SceNetAdhocctlPeerInfo* findFriendByIP(uint32_t ip) {
// Friends Reference
SceNetAdhocctlPeerInfo* peer = friends;
// Iterate Friends
for (; peer != NULL; peer = peer->next) {
if (peer->ip_addr == ip) break;
}
// Return found friend
return peer;
}
int IsSocketReady(int fd, bool readfd, bool writefd, int* errorcode, int timeoutUS) {
fd_set readfds, writefds;
timeval tval;
// Avoid getting Fatal signal 6 (SIGABRT) on linux/android
if (fd < 0) {
if (errorcode != nullptr)
*errorcode = EBADF;
return SOCKET_ERROR;
}
#if !defined(_WIN32)
if (fd >= FD_SETSIZE) {
if (errorcode != nullptr)
*errorcode = EBADF;
return SOCKET_ERROR;
}
#endif
FD_ZERO(&readfds);
writefds = readfds;
if (readfd) {
FD_SET(fd, &readfds);
}
if (writefd) {
FD_SET(fd, &writefds);
}
tval.tv_sec = timeoutUS / 1000000;
tval.tv_usec = timeoutUS % 1000000;
// Note: select will flags an unconnected TCP socket (ie. a freshly created socket without connecting first, or when connect failed with ECONNREFUSED on linux) as writeable/readable, thus can't be used to tell whether the connection has established or not.
int ret = select(fd + 1, readfd? &readfds: nullptr, writefd? &writefds: nullptr, nullptr, &tval);
if (errorcode != nullptr)
*errorcode = (ret < 0? errno: 0);
return ret;
}
void changeBlockingMode(int fd, int nonblocking) {
unsigned long on = 1;
unsigned long off = 0;
#if defined(_WIN32)
if (nonblocking) {
// Change to Non-Blocking Mode
ioctlsocket(fd, FIONBIO, &on);
}
else {
// Change to Blocking Mode
ioctlsocket(fd, FIONBIO, &off);
}
// If they have O_NONBLOCK, use the POSIX way to do it. On POSIX sockets Error code would be EINPROGRESS instead of EAGAIN
//#elif defined(O_NONBLOCK)
#else
int flags = fcntl(fd, F_GETFL, 0);
// Fixme: O_NONBLOCK is defined but broken on SunOS 4.1.x and AIX 3.2.5.
if (flags == -1)
flags = 0;
if (nonblocking) {
// Set Non-Blocking Flag
fcntl(fd, F_SETFL, flags | O_NONBLOCK);
}
else {
// Remove Non-Blocking Flag
fcntl(fd, F_SETFL, flags & ~O_NONBLOCK);
}
// Otherwise, use the old way of doing it (UNIX way). On UNIX sockets Error code would be EAGAIN instead of EINPROGRESS
/*#else
if (nonblocking) {
// Change to Non - Blocking Mode
ioctl(fd, FIONBIO, (char*)&on);
}
else {
// Change to Blocking Mode
ioctl(fd, FIONBIO, (char*)&off);
}*/
#endif
}
int countAvailableNetworks(const bool excludeSelf) {
// Network Count
int count = 0;
// Group Reference
SceNetAdhocctlScanInfo * group = networks;
// Count Groups
for (; group != NULL && (!excludeSelf || !isLocalMAC(&group->bssid.mac_addr)); group = group->next) count++;
// Return Network Count
return count;
}
SceNetAdhocctlScanInfo * findGroup(SceNetEtherAddr * MAC) {
if (MAC == NULL) return NULL;
// Groups Reference
SceNetAdhocctlScanInfo * group = networks;
// Iterate Groups
for (; group != NULL; group = group->next) {
if (isMacMatch(&group->bssid.mac_addr, MAC)) break;
}
// Return found group
return group;
}
void freeGroupsRecursive(SceNetAdhocctlScanInfo * node) {
// End of List
if (node == NULL) return;
// Increase Recursion Depth
freeGroupsRecursive(node->next);
// Free Memory
free(node);
node = NULL;
}
void deleteAllAdhocSockets() {
// Iterate Element
for (int i = 0; i < MAX_SOCKET; i++) {
// Active Socket
if (adhocSockets[i] != NULL) {
auto sock = adhocSockets[i];
int fd = -1;
if (sock->type == SOCK_PTP)
fd = sock->data.ptp.id;
else if (sock->type == SOCK_PDP)
fd = sock->data.pdp.id;
if (fd > 0) {
// Close Socket
shutdown(fd, SD_BOTH);
closesocket(fd);
}
// Free Memory
free(adhocSockets[i]);
// Delete Reference
adhocSockets[i] = NULL;
}
}
}
void deleteAllGMB() {
if (gameModeBuffer) {
free(gameModeBuffer);
gameModeBuffer = nullptr;
gameModeBuffSize = 0;
}
if (masterGameModeArea.data) {
free(masterGameModeArea.data);
masterGameModeArea = { 0 };
}
for (auto& it : replicaGameModeAreas) {
if (it.data) {
free(it.data);
it.data = nullptr;
}
}
replicaGameModeAreas.clear();
gameModeMacs.clear();
requiredGameModeMacs.clear();
}
void deleteFriendByIP(uint32_t ip) {
// Previous Peer Reference
SceNetAdhocctlPeerInfo * prev = NULL;
// Peer Pointer
SceNetAdhocctlPeerInfo * peer = friends;
// Iterate Peers
for (; peer != NULL; peer = peer->next) {
// Found Peer
if (peer->ip_addr == ip) {
// Multithreading Lock
peerlock.lock();
// Unlink Left (Beginning)
/*if (prev == NULL) friends = peer->next;
// Unlink Left (Other)
else prev->next = peer->next;
*/
u32 tmpip = peer->ip_addr;
INFO_LOG(SCENET, "Removing Friend Peer %s [%s]", mac2str(&peer->mac_addr).c_str(), ip2str(*(struct in_addr *)&tmpip).c_str()); //inet_ntoa(*(in_addr*)&peer->ip_addr)
// Free Memory
//free(peer);
//peer = NULL;
// Instead of removing it from the list we'll make it timed out since most Matching games are moving group and may still need the peer data thus not recognizing it as Unknown peer
peer->last_recv = 0; //CoreTiming::GetGlobalTimeUsScaled();
// Multithreading Unlock
peerlock.unlock();
// Stop Search
break;
}
// Set Previous Reference
prev = peer;
}
}
int findFreeMatchingID() {
// Minimum Matching ID
int min = 1;
// Maximum Matching ID
int max = 0;
// Find highest Matching ID
SceNetAdhocMatchingContext * item = contexts;
for (; item != NULL; item = item->next) {
// New Maximum
if (max < item->id) max = item->id;
}
// Find unoccupied ID
int i = min;
for (; i < max; i++) {
// Found unoccupied ID
if (findMatchingContext(i) == NULL) return i;
}
// Append at virtual end
return max + 1;
}
SceNetAdhocMatchingContext * findMatchingContext(int id) {
// Iterate Matching Context List
SceNetAdhocMatchingContext * item = contexts;
for (; item != NULL; item = item->next) { // Found Matching ID
if (item->id == id) return item;
}
// Context not found
return NULL;
}
/**
* Find Outgoing Request Target Peer
* @param context Matching Context Pointer
* @return Internal Peer Reference or... NULL
*/
SceNetAdhocMatchingMemberInternal * findOutgoingRequest(SceNetAdhocMatchingContext * context)
{
// Iterate Peer List for Matching Target
SceNetAdhocMatchingMemberInternal * peer = context->peerlist;
for (; peer != NULL; peer = peer->next)
{
// Found Peer in List
if (peer->state == PSP_ADHOC_MATCHING_PEER_OUTGOING_REQUEST) return peer;
}
// Peer not found
return NULL;
}
/**
* Remove unneeded Peer Data after being accepted to a match
* @param context Matching Context Pointer
*/
void postAcceptCleanPeerList(SceNetAdhocMatchingContext * context)
{
int delcount = 0;
int peercount = 0;
// Acquire Peer Lock
peerlock.lock();
// Iterate Peer List
SceNetAdhocMatchingMemberInternal * peer = context->peerlist;
while (peer != NULL)
{
// Save next Peer just in case we have to delete this one
SceNetAdhocMatchingMemberInternal * next = peer->next;
// Unneeded Peer
if (peer->state != PSP_ADHOC_MATCHING_PEER_CHILD && peer->state != PSP_ADHOC_MATCHING_PEER_P2P && peer->state != PSP_ADHOC_MATCHING_PEER_PARENT && peer->state != 0) {
deletePeer(context, peer);
delcount++;
}
// Move to Next Peer
peer = next;
peercount++;
}
// Free Peer Lock
peerlock.unlock();
INFO_LOG(SCENET, "Removing Unneeded Peers (%i/%i)", delcount, peercount);
}
/**
* Add Sibling-Data that was sent with Accept-Datagram
* @param context Matching Context Pointer
* @param siblingcount Number of Siblings
* @param siblings Sibling MAC Array
*/
void postAcceptAddSiblings(SceNetAdhocMatchingContext * context, int siblingcount, SceNetEtherAddr * siblings)
{
// Cast Sibling MAC Array to uint8_t
// PSP CPU has a problem with non-4-byte aligned Pointer Access.
// As the buffer of "siblings" isn't properly aligned I don't want to risk a crash.
uint8_t * siblings_u8 = (uint8_t *)siblings;
peerlock.lock();
// Iterate Siblings. Reversed so these siblings are added into peerlist in the same order with the peerlist on host/parent side
for (int i = siblingcount - 1; i >= 0 ; i--)
{
SceNetEtherAddr* mac = (SceNetEtherAddr*)(siblings_u8 + sizeof(SceNetEtherAddr) * i);
auto peer = findPeer(context, mac);
// Already exist
if (peer != NULL) {
// Set Peer State
peer->state = PSP_ADHOC_MATCHING_PEER_CHILD;
peer->sending = 0;
peer->lastping = CoreTiming::GetGlobalTimeUsScaled();
WARN_LOG(SCENET, "Updating Sibling Peer %s", mac2str(mac).c_str());
}
else {
// Allocate Memory
SceNetAdhocMatchingMemberInternal* sibling = (SceNetAdhocMatchingMemberInternal*)malloc(sizeof(SceNetAdhocMatchingMemberInternal));
// Allocated Memory
if (sibling != NULL)
{
// Clear Memory
memset(sibling, 0, sizeof(SceNetAdhocMatchingMemberInternal));
// Save MAC Address
memcpy(&sibling->mac, mac, sizeof(SceNetEtherAddr));
// Set Peer State
sibling->state = PSP_ADHOC_MATCHING_PEER_CHILD;
// Initialize Ping Timer
sibling->lastping = CoreTiming::GetGlobalTimeUsScaled(); //time_now_d()*1000000.0;
// Link Peer
sibling->next = context->peerlist;
context->peerlist = sibling;
// Spawn Established Event. FIXME: ESTABLISHED event should only be triggered for Parent/P2P peer?
//spawnLocalEvent(context, PSP_ADHOC_MATCHING_EVENT_ESTABLISHED, &sibling->mac, 0, NULL);
INFO_LOG(SCENET, "Accepting Sibling Peer %s", mac2str(&sibling->mac).c_str());
}
}
}
peerlock.unlock();
}
/**
* Count Children Peers (for Parent)
* @param context Matching Context Pointer
* @return Number of Children
*/
s32_le countChildren(SceNetAdhocMatchingContext * context, const bool excludeTimedout)
{
// Children Counter
s32_le count = 0;
// Iterate Peer List for Matching Target
SceNetAdhocMatchingMemberInternal * peer = context->peerlist;
for (; peer != NULL; peer = peer->next)
{
// Exclude timedout members?
if (!excludeTimedout || peer->lastping != 0)
// Increase Children Counter
if (peer->state == PSP_ADHOC_MATCHING_PEER_CHILD) count++;
}
// Return Children Count
return count;
}
/**
* Find Peer in Context by MAC
* @param context Matching Context Pointer
* @param mac Peer MAC Address
* @return Internal Peer Reference or... NULL
*/
SceNetAdhocMatchingMemberInternal * findPeer(SceNetAdhocMatchingContext * context, SceNetEtherAddr * mac)
{
if (mac == NULL)
return NULL;
// Iterate Peer List for Matching Target
SceNetAdhocMatchingMemberInternal * peer = context->peerlist;
for (; peer != NULL; peer = peer->next)
{
// Found Peer in List
if (isMacMatch(&peer->mac, mac))
{
// Return Peer Pointer
return peer;
}
}
// Peer not found
return NULL;
}
/**
* Find Parent Peer
* @param context Matching Context Pointer
* @return Internal Peer Reference or... NULL
*/
SceNetAdhocMatchingMemberInternal * findParent(SceNetAdhocMatchingContext * context)
{
// Iterate Peer List for Matching Target
SceNetAdhocMatchingMemberInternal * peer = context->peerlist;
for (; peer != NULL; peer = peer->next)
{
// Found Peer in List
if (peer->state == PSP_ADHOC_MATCHING_PEER_PARENT) return peer;
}
// Peer not found
return NULL;
}
/**
* Find P2P Buddy Peer
* @param context Matching Context Pointer
* @return Internal Peer Reference or... NULL
*/
SceNetAdhocMatchingMemberInternal * findP2P(SceNetAdhocMatchingContext * context, const bool excludeTimedout)
{
// Iterate Peer List for Matching Target
SceNetAdhocMatchingMemberInternal * peer = context->peerlist;
for (; peer != NULL; peer = peer->next)
{
// Exclude timedout members?
if (!excludeTimedout || peer->lastping != 0)
// Found Peer in List
if (peer->state == PSP_ADHOC_MATCHING_PEER_P2P) return peer;
}
// Peer not found
return NULL;
}
/**
* Delete Peer from List
* @param context Matching Context Pointer
* @param peer Internal Peer Reference
*/
void deletePeer(SceNetAdhocMatchingContext * context, SceNetAdhocMatchingMemberInternal *& peer)
{
// Valid Arguments
if (context != NULL && peer != NULL)
{
peerlock.lock();
// Previous Peer Reference
SceNetAdhocMatchingMemberInternal * previous = NULL;
// Iterate Peer List
SceNetAdhocMatchingMemberInternal * item = context->peerlist;
for (; item != NULL; item = item->next)
{
// Found Peer Match
if (item == peer) break;
// Set Previous Peer
previous = item;
}
if (item != NULL) {
// Middle Item
if (previous != NULL) previous->next = item->next;
// Beginning Item
else context->peerlist = item->next;
INFO_LOG(SCENET, "Removing Member Peer %s", mac2str(&peer->mac).c_str());
}
// Free Peer Memory
free(peer);
peer = NULL;
peerlock.unlock();
}
}
/**
* Safely Link Thread Message to Event Thread Stack
* @param context Matching Context Pointer
* @param message Thread Message Pointer
*/
void linkEVMessage(SceNetAdhocMatchingContext * context, ThreadMessage * message)
{
// Lock Access
context->eventlock->lock();
// Link Message
message->next = context->event_stack;
context->event_stack = message;
// Unlock Access
context->eventlock->unlock();
}
/**
* Safely Link Thread Message to IO Thread Stack
* @param context Matching Context Pointer
* @param message Thread Message Pointer
*/
void linkIOMessage(SceNetAdhocMatchingContext * context, ThreadMessage * message)
{
// Lock Access
context->inputlock->lock();
// Link Message
message->next = context->input_stack;
context->input_stack = message;
// Unlock Access
context->inputlock->unlock();
}
/**
* Send Generic Thread Message
* @param context Matching Context Pointer
* @param stack ADHOC_MATCHING_EVENT_STACK or ADHOC_MATCHING_INPUT_STACK
* @param mac Target MAC
* @param opcode Message Opcode
* @param optlen Optional Data Length
* @param opt Optional Data
*/
void sendGenericMessage(SceNetAdhocMatchingContext * context, int stack, SceNetEtherAddr * mac, int opcode, int optlen, const void * opt)
{
// Calculate Required Memory Size
uint32_t size = sizeof(ThreadMessage) + optlen;
// Allocate Memory
uint8_t * memory = (uint8_t *)malloc(size);
// Allocated Memory
if (memory != NULL)
{
// Clear Memory
memset(memory, 0, size);
// Cast Header
ThreadMessage * header = (ThreadMessage *)memory;
// Set Message Opcode
header->opcode = opcode;
// Set Peer MAC Address
header->mac = *mac;
// Set Optional Data Length
header->optlen = optlen;
// Set Optional Data
memcpy(memory + sizeof(ThreadMessage), opt, optlen);
// Link Thread Message
if (stack == PSP_ADHOC_MATCHING_EVENT_STACK) linkEVMessage(context, header);
// Link Thread Message to Input Stack
else linkIOMessage(context, header);
// Exit Function
return;
}
peerlock.lock();
// Out of Memory Emergency Delete
auto peer = findPeer(context, mac);
deletePeer(context, peer);
peerlock.unlock();
}
/**
* Send Accept Message from P2P -> P2P or Parent -> Children
* @param context Matching Context Pointer
* @param peer Target Peer
* @param optlen Optional Data Length
* @param opt Optional Data
*/
void sendAcceptMessage(SceNetAdhocMatchingContext * context, SceNetAdhocMatchingMemberInternal * peer, int optlen, const void * opt)
{
// Send Accept Message
sendGenericMessage(context, PSP_ADHOC_MATCHING_INPUT_STACK, &peer->mac, PSP_ADHOC_MATCHING_PACKET_ACCEPT, optlen, opt);
}
/**
* Send Join Request from P2P -> P2P or Children -> Parent
* @param context Matching Context Pointer
* @param peer Target Peer
* @param optlen Optional Data Length
* @param opt Optional Data
*/
void sendJoinRequest(SceNetAdhocMatchingContext * context, SceNetAdhocMatchingMemberInternal * peer, int optlen, const void * opt)
{
// Send Join Message
sendGenericMessage(context, PSP_ADHOC_MATCHING_INPUT_STACK, &peer->mac, PSP_ADHOC_MATCHING_PACKET_JOIN, optlen, opt);
}
/**
* Send Cancel Message to Peer (has various effects)
* @param context Matching Context Pointer
* @param peer Target Peer
* @param optlen Optional Data Length
* @param opt Optional Data
*/
void sendCancelMessage(SceNetAdhocMatchingContext * context, SceNetAdhocMatchingMemberInternal * peer, int optlen, const void * opt)
{
// Send Cancel Message
sendGenericMessage(context, PSP_ADHOC_MATCHING_INPUT_STACK, &peer->mac, PSP_ADHOC_MATCHING_PACKET_CANCEL, optlen, opt);
}
/**
* Send Bulk Data to Peer
* @param context Matching Context Pointer
* @param peer Target Peer
* @param datalen Data Length
* @param data Data
*/
void sendBulkData(SceNetAdhocMatchingContext * context, SceNetAdhocMatchingMemberInternal * peer, int datalen, const void * data)
{
// Send Bulk Data Message
sendGenericMessage(context, PSP_ADHOC_MATCHING_INPUT_STACK, &peer->mac, PSP_ADHOC_MATCHING_PACKET_BULK, datalen, data);
}
/**
* Abort Bulk Data Transfer (if in progress)
* @param context Matching Context Pointer
* @param peer Target Peer
*/
void abortBulkTransfer(SceNetAdhocMatchingContext * context, SceNetAdhocMatchingMemberInternal * peer)
{
// Send Bulk Data Abort Message
sendGenericMessage(context, PSP_ADHOC_MATCHING_INPUT_STACK, &peer->mac, PSP_ADHOC_MATCHING_PACKET_BULK_ABORT, 0, NULL);
}
/**
* Notify all established Peers about new Kid in the Neighborhood
* @param context Matching Context Pointer
* @param peer New Kid
*/
void sendBirthMessage(SceNetAdhocMatchingContext * context, SceNetAdhocMatchingMemberInternal * peer)
{
// Send Birth Message
sendGenericMessage(context, PSP_ADHOC_MATCHING_INPUT_STACK, &peer->mac, PSP_ADHOC_MATCHING_PACKET_BIRTH, 0, NULL);
}
/**
* Notify all established Peers about abandoned Child
* @param context Matching Context Pointer
* @param peer Abandoned Child
*/
void sendDeathMessage(SceNetAdhocMatchingContext * context, SceNetAdhocMatchingMemberInternal * peer)
{
// Send Death Message
sendGenericMessage(context, PSP_ADHOC_MATCHING_INPUT_STACK, &peer->mac, PSP_ADHOC_MATCHING_PACKET_DEATH, 0, NULL);
}
/**
* Return Number of Connected Peers
* @param context Matching Context Pointer
* @return Number of Connected Peers
*/
uint32_t countConnectedPeers(SceNetAdhocMatchingContext * context, const bool excludeTimedout)
{
// Peer Count
uint32_t count = 0;
// Parent Mode
if (context->mode == PSP_ADHOC_MATCHING_MODE_PARENT)
{
// Number of Children + 1 Parent (Self)
count = countChildren(context, excludeTimedout) + 1;
}
// Child Mode
else if (context->mode == PSP_ADHOC_MATCHING_MODE_CHILD)
{
// Default to 1 Child (Self)
count = 1;
// Connected to Parent
if (findParent(context) != NULL)
{
// Add Number of Siblings + 1 Parent
count += countChildren(context, excludeTimedout) + 1; // Since count is already started from 1, Do we need to +1 here? Ys vs. Sora no Kiseki seems to show wrong number of players without +1 here
}
}
// P2P Mode
else
{
// Default to 1 P2P Client (Self)
count = 1;
// Connected to another P2P Client
if (findP2P(context, excludeTimedout) != NULL)
{
// Add P2P Brother
count++;
}
}
// Return Peer Count
return count;
}
/**
* Spawn Local Event for Event Thread
* @param context Matching Context Pointer
* @param event Event ID
* @param mac Event Source MAC
* @param optlen Optional Data Length
* @param opt Optional Data
*/
void spawnLocalEvent(SceNetAdhocMatchingContext * context, int event, SceNetEtherAddr * mac, int optlen, void * opt)
{
// Spawn Local Event
sendGenericMessage(context, PSP_ADHOC_MATCHING_EVENT_STACK, mac, event, optlen, opt);
}
/**
* Handle Timeouts in Matching Context
* @param context Matching Context Pointer
*/
void handleTimeout(SceNetAdhocMatchingContext * context)
{
peerlock.lock();
// Iterate Peer List
SceNetAdhocMatchingMemberInternal * peer = context->peerlist;
while (peer != NULL && contexts != NULL && coreState != CORE_POWERDOWN)
{
// Get Next Pointer (to avoid crash on memory freeing)
SceNetAdhocMatchingMemberInternal * next = peer->next;
u64_le now = CoreTiming::GetGlobalTimeUsScaled(); //time_now_d()*1000000.0
// Timeout! Apparently the latest GetGlobalTimeUsScaled (ie. now) have a possibility to be smaller than previous GetGlobalTimeUsScaled (ie. lastping) thus resulting a negative number when subtracted :(
if (peer->state != 0 && static_cast<s64>(now - peer->lastping) > static_cast<s64>(context->timeout))
{
// Spawn Timeout Event
if ((context->mode == PSP_ADHOC_MATCHING_MODE_CHILD && peer->state == PSP_ADHOC_MATCHING_PEER_PARENT) ||
(context->mode == PSP_ADHOC_MATCHING_MODE_PARENT && peer->state == PSP_ADHOC_MATCHING_PEER_CHILD) ||
(context->mode == PSP_ADHOC_MATCHING_MODE_P2P && peer->state == PSP_ADHOC_MATCHING_PEER_P2P)) {
// FIXME: TIMEOUT event should only be triggered on Parent/P2P mode and for Parent/P2P peer?
spawnLocalEvent(context, PSP_ADHOC_MATCHING_EVENT_TIMEOUT, &peer->mac, 0, NULL);
INFO_LOG(SCENET, "TimedOut Member Peer %s (%lld - %lld = %lld > %lld us)", mac2str(&peer->mac).c_str(), now, peer->lastping, (now - peer->lastping), context->timeout);
if (context->mode == PSP_ADHOC_MATCHING_MODE_PARENT)
sendDeathMessage(context, peer);
else
sendCancelMessage(context, peer, 0, NULL);
}
}
// Move Pointer
peer = next;
}
peerlock.unlock();
}
/**
* Recursive Stack Cleaner
* @param node Current Thread Message Node
*/
void clearStackRecursive(ThreadMessage *& node)
{
// Not End of List
if (node != NULL) clearStackRecursive(node->next);
// Free Last Existing Node of List (NULL is handled in _free)
free(node);
node = NULL;
}
/**
* Clear Thread Stack
* @param context Matching Context Pointer
* @param stack ADHOC_MATCHING_EVENT_STACK or ADHOC_MATCHING_INPUT_STACK
*/
void clearStack(SceNetAdhocMatchingContext * context, int stack)
{
if (context == NULL) return;
// Clear Event Stack
if (stack == PSP_ADHOC_MATCHING_EVENT_STACK)
{
context->eventlock->lock();
// Free Memory Recursively
clearStackRecursive(context->event_stack);
// Destroy Reference
context->event_stack = NULL;
context->eventlock->unlock();
}
// Clear IO Stack
else
{
context->inputlock->lock();
// Free Memory Recursively
clearStackRecursive(context->input_stack);
// Destroy Reference
context->input_stack = NULL;
context->inputlock->unlock();
}
}
/**
* Clear Peer List
* @param context Matching Context Pointer
*/
void clearPeerList(SceNetAdhocMatchingContext * context)
{
// Acquire Peer Lock
peerlock.lock();
// Iterate Peer List
SceNetAdhocMatchingMemberInternal * peer = context->peerlist;
while (peer != NULL)
{
// Grab Next Pointer
context->peerlist = peer->next; //SceNetAdhocMatchingMemberInternal * next = peer->next;
// Delete Peer
free(peer); //deletePeer(context, peer);
// Instead of removing peer immediately, We should give a little time before removing the peer and let it timed out? just in case the game is in the middle of communicating with the peer on another thread so it won't recognize it as Unknown peer
//peer->lastping = CoreTiming::GetGlobalTimeUsScaled();
// Move Pointer
peer = context->peerlist; //peer = next;
}
// Free Peer Lock
peerlock.unlock();
}
void AfterMatchingMipsCall::DoState(PointerWrap & p) {
auto s = p.Section("AfterMatchingMipsCall", 1, 4);
if (!s)
return;
if (s >= 1) {
Do(p, EventID);
} else {
EventID = -1;
}
if (s >= 4) {
Do(p, contextID);
Do(p, bufAddr);
} else {
contextID = -1;
bufAddr = 0;
}
}
// It seems After Actions being called in reverse order of Mipscall order (ie. MipsCall order of ACCEPT(6)->ESTABLISH(7) getting AfterAction order of ESTABLISH(7)->ACCEPT(6)
void AfterMatchingMipsCall::run(MipsCall &call) {
if (context == NULL) {
peerlock.lock();
context = findMatchingContext(contextID);
peerlock.unlock();
}
u32 v0 = currentMIPS->r[MIPS_REG_V0];
if (__IsInInterrupt()) ERROR_LOG(SCENET, "AfterMatchingMipsCall::run [ID=%i][Event=%d] is Returning Inside an Interrupt!", contextID, EventID);
//SetMatchingInCallback(context, false);
DEBUG_LOG(SCENET, "AfterMatchingMipsCall::run [ID=%i][Event=%d][%s] [cbId: %u][retV0: %08x]", contextID, EventID, mac2str((SceNetEtherAddr*)Memory::GetPointer(bufAddr)).c_str(), call.cbId, v0);
if (Memory::IsValidAddress(bufAddr)) userMemory.Free(bufAddr);
//call.setReturnValue(v0);
}
void AfterMatchingMipsCall::SetData(int ContextID, int eventId, u32_le BufAddr) {
contextID = ContextID;
EventID = eventId;
bufAddr = BufAddr;
peerlock.lock();
context = findMatchingContext(ContextID);
peerlock.unlock();
}
bool SetMatchingInCallback(SceNetAdhocMatchingContext* context, bool IsInCB) {
if (context == NULL) return false;
peerlock.lock();
context->IsMatchingInCB = IsInCB;
peerlock.unlock();
return IsInCB;
}
bool IsMatchingInCallback(SceNetAdhocMatchingContext* context) {
bool inCB = false;
if (context == NULL) return inCB;
peerlock.lock();
inCB = (context->IsMatchingInCB);
peerlock.unlock();
return inCB;
}
void AfterAdhocMipsCall::DoState(PointerWrap & p) {
auto s = p.Section("AfterAdhocMipsCall", 1, 4);
if (!s)
return;
if (s >= 3) {
Do(p, HandlerID);
Do(p, EventID);
Do(p, argsAddr);
} else {
HandlerID = -1;
EventID = -1;
argsAddr = 0;
}
}
void AfterAdhocMipsCall::run(MipsCall& call) {
u32 v0 = currentMIPS->r[MIPS_REG_V0];
if (__IsInInterrupt()) ERROR_LOG(SCENET, "AfterAdhocMipsCall::run [ID=%i][Event=%d] is Returning Inside an Interrupt!", HandlerID, EventID);
SetAdhocctlInCallback(false);
isAdhocctlBusy = false;
DEBUG_LOG(SCENET, "AfterAdhocMipsCall::run [ID=%i][Event=%d] [cbId: %u][retV0: %08x]", HandlerID, EventID, call.cbId, v0);
//call.setReturnValue(v0);
}
void AfterAdhocMipsCall::SetData(int handlerID, int eventId, u32_le ArgsAddr) {
HandlerID = handlerID;
EventID = eventId;
argsAddr = ArgsAddr;
}
int SetAdhocctlInCallback(bool IsInCB) {
std::lock_guard<std::recursive_mutex> adhocGuard(adhocEvtMtx);
IsAdhocctlInCB += (IsInCB?1:-1);
return IsAdhocctlInCB;
}
int IsAdhocctlInCallback() {
std::lock_guard<std::recursive_mutex> adhocGuard(adhocEvtMtx);
int inCB = IsAdhocctlInCB;
return inCB;
}
// Make sure MIPS calls have been fully executed before the next notifyAdhocctlHandlers
void notifyAdhocctlHandlers(u32 flag, u32 error) {
__UpdateAdhocctlHandlers(flag, error);
}
// Matching callback is void function: typedef void(*SceNetAdhocMatchingHandler)(int id, int event, SceNetEtherAddr * peer, int optlen, void * opt);
// Important! The MIPS call need to be fully executed before the next MIPS call invoked, as the game (ie. DBZ Tag Team) may need to prepare something for the next callback event to use
// Note: Must not lock peerlock within this function to prevent race-condition with other thread whos owning peerlock and trying to lock context->eventlock owned by this thread
void notifyMatchingHandler(SceNetAdhocMatchingContext * context, ThreadMessage * msg, void * opt, u32_le &bufAddr, u32_le &bufLen, u32_le * args) {
// Don't share buffer address space with other mipscall in the queue since mipscalls aren't immediately executed
MatchingArgs argsNew = { 0 };
u32_le dataBufLen = msg->optlen + 8; //max(bufLen, msg->optlen + 8);
u32_le dataBufAddr = userMemory.Alloc(dataBufLen); // We will free this memory after returning from mipscall. FIXME: Are these buffers supposed to be taken/pre-allocated from the memory pool during sceNetAdhocMatchingInit?
uint8_t *dataPtr = Memory::GetPointerWriteRange(dataBufAddr, dataBufLen);
if (dataPtr) {
memcpy(dataPtr, &msg->mac, sizeof(msg->mac));
if (msg->optlen > 0)
memcpy(dataPtr + 8, opt, msg->optlen);
argsNew.data[1] = msg->opcode;
argsNew.data[2] = dataBufAddr;
argsNew.data[3] = msg->optlen;
argsNew.data[4] = dataBufAddr + 8; // OptData Addr
}
else {
argsNew.data[1] = PSP_ADHOC_MATCHING_EVENT_ERROR; // not sure where to put the error code for EVENT_ERROR tho
//argsNew.data[2] = dataBufAddr; // FIXME: Is the MAC address mandatory (ie. can't be null pointer) even for EVENT_ERROR? Where should we put this MAC data in the case we failed to allocate the memory? may be on the memory pool?
}
argsNew.data[0] = context->id;
argsNew.data[5] = context->handler.entryPoint; //not part of callback argument, just borrowing a space to store callback address so i don't need to search the context first later
// ScheduleEvent_Threadsafe_Immediate seems to get mixed up with interrupt (returning from mipscall inside an interrupt) and getting invalid address before returning from interrupt
__UpdateMatchingHandler(argsNew);
}
void freeFriendsRecursive(SceNetAdhocctlPeerInfo * node, int32_t* count) {
// End of List
if (node == NULL) return;
// Increase Recursion Depth
freeFriendsRecursive(node->next, count);
// Free Memory
free(node);
node = NULL;
if (count != NULL) (*count)++;
}
void timeoutFriendsRecursive(SceNetAdhocctlPeerInfo * node, int32_t* count) {
// End of List
if (node == NULL) return;
// Increase Recursion Depth
timeoutFriendsRecursive(node->next, count);
// Set last timestamp
node->last_recv = 0;
if (count != NULL) (*count)++;
}
void sendChat(std::string chatString) {
SceNetAdhocctlChatPacketC2S chat;
auto n = GetI18NCategory(I18NCat::NETWORKING);
chat.base.opcode = OPCODE_CHAT;
//TODO check network inited, check send success or not, chatlog.pushback error on failed send, pushback error on not connected
if (friendFinderRunning) {
// Send Chat to Server
if (!chatString.empty()) {
//maximum char allowed is 64 character for compability with original server (pro.coldbird.net)
std::string message = chatString.substr(0, 60); // 64 return chat variable corrupted is it out of memory?
strcpy(chat.message, message.c_str());
//Send Chat Messages
if (IsSocketReady((int)metasocket, false, true) > 0) {
int chatResult = send((int)metasocket, (const char*)&chat, sizeof(chat), MSG_NOSIGNAL);
NOTICE_LOG(SCENET, "Send Chat %s to Adhoc Server", chat.message);
std::string name = g_Config.sNickName;
std::lock_guard<std::mutex> guard(chatLogLock);
chatLog.emplace_back(name.substr(0, 8) + ": " + chat.message);
chatMessageGeneration++;
}
}
} else {
std::lock_guard<std::mutex> guard(chatLogLock);
chatLog.push_back(n->T("You're in Offline Mode, go to lobby or online hall"));
chatMessageGeneration++;
}
}
std::vector<std::string> getChatLog() {
std::lock_guard<std::mutex> guard(chatLogLock);
// If the log gets large, trim it down.
if (chatLog.size() > 50) {
chatLog.erase(chatLog.begin(), chatLog.begin() + (chatLog.size() - 50));
}
return chatLog;
}
int GetChatChangeID() {
return chatMessageGeneration;
}
int GetChatMessageCount() {
return chatMessageCount;
}
// TODO: We should probably change this thread into PSPThread (or merging it into the existing AdhocThread PSPThread) as there are too many global vars being used here which also being used within some HLEs
int friendFinder(){
SetCurrentThreadName("FriendFinder");
auto n = GetI18NCategory(I18NCat::NETWORKING);
// Receive Buffer
int rxpos = 0;
uint8_t rx[1024];
// Chat Packet
SceNetAdhocctlChatPacketC2S chat;
chat.base.opcode = OPCODE_CHAT;
// Last Ping Time
uint64_t lastping = 0;
// Last Time Reception got updated
uint64_t lastreceptionupdate = 0;
uint64_t now;
// Log Startup
INFO_LOG(SCENET, "FriendFinder: Begin of Friend Finder Thread");
// Resolve and cache AdhocServer DNS
addrinfo* resolved = nullptr;
std::string err;
g_adhocServerIP.in.sin_addr.s_addr = INADDR_NONE;
if (g_Config.bEnableWlan && !net::DNSResolve(g_Config.proAdhocServer, "", &resolved, err)) {
ERROR_LOG(SCENET, "DNS Error Resolving %s\n", g_Config.proAdhocServer.c_str());
g_OSD.Show(OSDType::MESSAGE_ERROR, n->T("DNS Error Resolving ") + g_Config.proAdhocServer);
}
if (resolved) {
for (auto ptr = resolved; ptr != NULL; ptr = ptr->ai_next) {
switch (ptr->ai_family) {
case AF_INET:
g_adhocServerIP.in = *(sockaddr_in*)ptr->ai_addr;
break;
}
}
net::DNSResolveFree(resolved);
}
g_adhocServerIP.in.sin_port = htons(SERVER_PORT);
// Finder Loop
friendFinderRunning = true;
while (friendFinderRunning) {
// Acquire Network Lock
//_acquireNetworkLock();
// Reconnect when disconnected while Adhocctl is still inited
if (metasocket == (int)INVALID_SOCKET && netAdhocctlInited && isAdhocctlNeedLogin) {
if (g_Config.bEnableWlan) {
if (initNetwork(&product_code) == 0) {
networkInited = true;
INFO_LOG(SCENET, "FriendFinder: Network [RE]Initialized");
// At this point we are most-likely not in a Group within the Adhoc Server, so we should probably reset AdhocctlState
adhocctlState = ADHOCCTL_STATE_DISCONNECTED;
netAdhocGameModeEntered = false;
isAdhocctlBusy = false;
}
else {
networkInited = false;
shutdown((int)metasocket, SD_BOTH);
closesocket((int)metasocket);
metasocket = (int)INVALID_SOCKET;
}
}
}
// Prevent retrying to Login again unless it was on demand
isAdhocctlNeedLogin = false;
if (networkInited) {
// Ping Server
now = time_now_d() * 1000000.0; // Use time_now_d()*1000000.0 instead of CoreTiming::GetGlobalTimeUsScaled() if the game gets disconnected from AdhocServer too soon when FPS wasn't stable
// original code : ((sceKernelGetSystemTimeWide() - lastping) >= ADHOCCTL_PING_TIMEOUT)
if (static_cast<s64>(now - lastping) >= PSP_ADHOCCTL_PING_TIMEOUT) { // We may need to use lower interval to prevent getting timeout at Pro Adhoc Server through internet
// Prepare Packet
uint8_t opcode = OPCODE_PING;
// Send Ping to Server, may failed with socket error 10054/10053 if someone else with the same IP already connected to AdHoc Server (the server might need to be modified to differentiate MAC instead of IP)
if (IsSocketReady((int)metasocket, false, true) > 0) {
int iResult = send((int)metasocket, (const char*)&opcode, 1, MSG_NOSIGNAL);
int error = errno;
// KHBBS seems to be getting error 10053 often
if (iResult == SOCKET_ERROR) {
ERROR_LOG(SCENET, "FriendFinder: Socket Error (%i) when sending OPCODE_PING", error);
if (error != EAGAIN && error != EWOULDBLOCK) {
networkInited = false;
shutdown((int)metasocket, SD_BOTH);
closesocket((int)metasocket);
metasocket = (int)INVALID_SOCKET;
g_OSD.Show(OSDType::MESSAGE_ERROR, std::string(n->T("Disconnected from AdhocServer")) + " (" + std::string(n->T("Error")) + ": " + std::to_string(error) + ")");
// Mark all friends as timedout since we won't be able to detects disconnected friends anymore without being connected to Adhoc Server
peerlock.lock();
timeoutFriendsRecursive(friends);
peerlock.unlock();
}
}
else {
// Update Ping Time
lastping = now;
VERBOSE_LOG(SCENET, "FriendFinder: Sending OPCODE_PING (%llu)", static_cast<unsigned long long>(now));
}
}
}
// Check for Incoming Data
if (IsSocketReady((int)metasocket, true, false) > 0) {
int received = recv((int)metasocket, (char*)(rx + rxpos), sizeof(rx) - rxpos, MSG_NOSIGNAL);
// Free Network Lock
//_freeNetworkLock();
// Received Data
if (received > 0) {
// Fix Position
rxpos += received;
// Log Incoming Traffic
//printf("Received %d Bytes of Data from Server\n", received);
INFO_LOG(SCENET, "Received %d Bytes of Data from Adhoc Server", received);
}
}
// Calculate EnterGameMode Timeout to prevent waiting forever for disconnected players
if (isAdhocctlBusy && adhocctlState == ADHOCCTL_STATE_DISCONNECTED && adhocctlCurrentMode == ADHOCCTL_MODE_GAMEMODE && netAdhocGameModeEntered && static_cast<s64>(now - adhocctlStartTime) > netAdhocEnterGameModeTimeout) {
netAdhocGameModeEntered = false;
notifyAdhocctlHandlers(ADHOCCTL_EVENT_ERROR, ERROR_NET_ADHOC_TIMEOUT);
}
// Handle Packets
if (rxpos > 0) {
// BSSID Packet
if (rx[0] == OPCODE_CONNECT_BSSID) {
// Enough Data available
if (rxpos >= (int)sizeof(SceNetAdhocctlConnectBSSIDPacketS2C)) {
// Cast Packet
SceNetAdhocctlConnectBSSIDPacketS2C* packet = (SceNetAdhocctlConnectBSSIDPacketS2C*)rx;
INFO_LOG(SCENET, "FriendFinder: Incoming OPCODE_CONNECT_BSSID [%s]", mac2str(&packet->mac).c_str());
// Update User BSSID
parameter.bssid.mac_addr = packet->mac; // This packet seems to contains Adhoc Group Creator's BSSID (similar to AP's BSSID) so it shouldn't get mixed up with local MAC address
// From JPCSP: Some games have problems when the PSP_ADHOCCTL_EVENT_CONNECTED is sent too quickly after connecting to a network. The connection will be set CONNECTED with a small delay (200ms or 200us?)
// Notify Event Handlers
if (adhocctlCurrentMode == ADHOCCTL_MODE_GAMEMODE) {
SceNetEtherAddr localMac;
getLocalMac(&localMac);
if (std::find_if(gameModeMacs.begin(), gameModeMacs.end(),
[localMac](SceNetEtherAddr const& e) {
return isMacMatch(&e, &localMac);
}) == gameModeMacs.end()) {
// Arrange the order to be consistent on all players (Host on top), Starting from our self the rest of new players will be added to the back
gameModeMacs.push_back(localMac);
// FIXME: OPCODE_CONNECT_BSSID only triggered once, but the timing of ADHOCCTL_EVENT_GAME notification could be too soon, since there could be more players that need to join before the event should be notified
if (netAdhocGameModeEntered && gameModeMacs.size() >= requiredGameModeMacs.size()) {
notifyAdhocctlHandlers(ADHOCCTL_EVENT_GAME, 0);
}
}
else
WARN_LOG(SCENET, "GameMode SelfMember [%s] Already Existed!", mac2str(&localMac).c_str());
}
else {
//adhocctlState = ADHOCCTL_STATE_CONNECTED;
notifyAdhocctlHandlers(ADHOCCTL_EVENT_CONNECT, 0);
}
// Give time a little time
//sceKernelDelayThread(adhocEventDelayMS * 1000);
//sleep_ms(adhocEventDelayMS);
// Move RX Buffer
memmove(rx, rx + sizeof(SceNetAdhocctlConnectBSSIDPacketS2C), sizeof(rx) - sizeof(SceNetAdhocctlConnectBSSIDPacketS2C));
// Fix RX Buffer Length
rxpos -= sizeof(SceNetAdhocctlConnectBSSIDPacketS2C);
}
}
// Chat Packet
else if (rx[0] == OPCODE_CHAT) {
// Enough Data available
if (rxpos >= (int)sizeof(SceNetAdhocctlChatPacketS2C)) {
// Cast Packet
SceNetAdhocctlChatPacketS2C* packet = (SceNetAdhocctlChatPacketS2C*)rx;
INFO_LOG(SCENET, "FriendFinder: Incoming OPCODE_CHAT");
// Fix strings with null-terminated
packet->name.data[ADHOCCTL_NICKNAME_LEN - 1] = 0;
packet->base.message[ADHOCCTL_MESSAGE_LEN - 1] = 0;
// Add Incoming Chat to HUD
NOTICE_LOG(SCENET, "Received chat message %s", packet->base.message);
std::string incoming = "";
std::string name = (char*)packet->name.data;
incoming.append(name.substr(0, 8));
incoming.append(": ");
incoming.append((char*)packet->base.message);
std::lock_guard<std::mutex> guard(chatLogLock);
chatLog.push_back(incoming);
chatMessageGeneration++;
chatMessageCount++;
// Move RX Buffer
memmove(rx, rx + sizeof(SceNetAdhocctlChatPacketS2C), sizeof(rx) - sizeof(SceNetAdhocctlChatPacketS2C));
// Fix RX Buffer Length
rxpos -= sizeof(SceNetAdhocctlChatPacketS2C);
}
}
// Connect Packet
else if (rx[0] == OPCODE_CONNECT) {
// Enough Data available
if (rxpos >= (int)sizeof(SceNetAdhocctlConnectPacketS2C)) {
// Cast Packet
SceNetAdhocctlConnectPacketS2C* packet = (SceNetAdhocctlConnectPacketS2C*)rx;
// Fix strings with null-terminated
packet->name.data[ADHOCCTL_NICKNAME_LEN - 1] = 0;
// Log Incoming Peer
u32_le ipaddr = packet->ip;
INFO_LOG(SCENET, "FriendFinder: Incoming OPCODE_CONNECT [%s][%s][%s]", mac2str(&packet->mac).c_str(), ip2str(*(in_addr*)&ipaddr).c_str(), packet->name.data);
// Add User
addFriend(packet);
// Make sure GameMode participants are all joined (including self MAC)
if (adhocctlCurrentMode == ADHOCCTL_MODE_GAMEMODE) {
if (std::find_if(gameModeMacs.begin(), gameModeMacs.end(),
[packet](SceNetEtherAddr const& e) {
return isMacMatch(&e, &packet->mac);
}) == gameModeMacs.end()) {
// Arrange the order to be consistent on all players (Host on top), Existing players are sent in reverse by AdhocServer
SceNetEtherAddr localMac;
getLocalMac(&localMac);
auto it = std::find_if(gameModeMacs.begin(), gameModeMacs.end(),
[localMac](SceNetEtherAddr const& e) {
return isMacMatch(&e, &localMac);
});
// Starting from our self the rest of new players will be added to the back
if (it != gameModeMacs.end()) {
gameModeMacs.push_back(packet->mac);
}
else {
it = gameModeMacs.begin() + 1;
gameModeMacs.insert(it, packet->mac);
}
// From JPCSP: Join complete when all the required MACs have joined
if (netAdhocGameModeEntered && requiredGameModeMacs.size() > 0 && gameModeMacs.size() == requiredGameModeMacs.size()) {
// TODO: Should we replace gameModeMacs contents with requiredGameModeMacs contents to make sure they are in the same order with macs from sceNetAdhocctlCreateEnterGameMode? But may not be consistent with the list on client side!
//gameModeMacs = requiredGameModeMacs;
notifyAdhocctlHandlers(ADHOCCTL_EVENT_GAME, 0);
}
}
else
WARN_LOG(SCENET, "GameMode Member [%s] Already Existed!", mac2str(&packet->mac).c_str());
}
// Update HUD User Count
std::string name = (char*)packet->name.data;
std::string incoming = "";
incoming.append(name.substr(0, 8));
incoming.append(" Joined ");
//do we need ip?
//joined.append((char *)packet->ip);
std::lock_guard<std::mutex> guard(chatLogLock);
chatLog.push_back(incoming);
chatMessageGeneration++;
#ifdef LOCALHOST_AS_PEER
setUserCount(getActivePeerCount());
#else
// setUserCount(getActivePeerCount()+1);
#endif
// Move RX Buffer
memmove(rx, rx + sizeof(SceNetAdhocctlConnectPacketS2C), sizeof(rx) - sizeof(SceNetAdhocctlConnectPacketS2C));
// Fix RX Buffer Length
rxpos -= sizeof(SceNetAdhocctlConnectPacketS2C);
}
}
// Disconnect Packet
else if (rx[0] == OPCODE_DISCONNECT) {
// Enough Data available
if (rxpos >= (int)sizeof(SceNetAdhocctlDisconnectPacketS2C)) {
// Cast Packet
SceNetAdhocctlDisconnectPacketS2C* packet = (SceNetAdhocctlDisconnectPacketS2C*)rx;
DEBUG_LOG(SCENET, "FriendFinder: OPCODE_DISCONNECT");
// Log Incoming Peer Delete Request
INFO_LOG(SCENET, "FriendFinder: Incoming Peer Data Delete Request...");
if (adhocctlCurrentMode == ADHOCCTL_MODE_GAMEMODE) {
auto peer = findFriendByIP(packet->ip);
for (auto& gma : replicaGameModeAreas)
if (isMacMatch(&gma.mac, &peer->mac_addr)) {
gma.updateTimestamp = 0;
break;
}
}
// Delete User by IP, should delete by MAC since IP can be shared (behind NAT) isn't?
deleteFriendByIP(packet->ip);
// Update HUD User Count
#ifdef LOCALHOST_AS_PEER
setUserCount(_getActivePeerCount());
#else
//setUserCount(_getActivePeerCount()+1);
#endif
// Move RX Buffer
memmove(rx, rx + sizeof(SceNetAdhocctlDisconnectPacketS2C), sizeof(rx) - sizeof(SceNetAdhocctlDisconnectPacketS2C));
// Fix RX Buffer Length
rxpos -= sizeof(SceNetAdhocctlDisconnectPacketS2C);
}
}
// Scan Packet
else if (rx[0] == OPCODE_SCAN) {
// Enough Data available
if (rxpos >= (int)sizeof(SceNetAdhocctlScanPacketS2C)) {
// Cast Packet
SceNetAdhocctlScanPacketS2C* packet = (SceNetAdhocctlScanPacketS2C*)rx;
DEBUG_LOG(SCENET, "FriendFinder: OPCODE_SCAN");
// Log Incoming Network Information
INFO_LOG(SCENET, "Incoming Group Information...");
// Multithreading Lock
peerlock.lock();
// Allocate Structure Data
SceNetAdhocctlScanInfo* group = (SceNetAdhocctlScanInfo*)malloc(sizeof(SceNetAdhocctlScanInfo));
// Allocated Structure Data
if (group != NULL) {
// Clear Memory, should this be done only when allocating new group?
memset(group, 0, sizeof(SceNetAdhocctlScanInfo));
// Link to existing Groups
group->next = newnetworks;
// Copy Group Name
group->group_name = packet->group;
// Set Group Host
group->bssid.mac_addr = packet->mac;
// Set group parameters
// Since 0 is not a valid active channel we fake the channel for Automatic Channel (JPCSP use 11 as default). Ridge Racer 2 will ignore any groups with channel 0 or that doesn't matched with channel value returned from sceUtilityGetSystemParamInt (which mean sceUtilityGetSystemParamInt must not return channel 0 when connected to a network?)
group->channel = parameter.channel; //(parameter.channel == PSP_SYSTEMPARAM_ADHOC_CHANNEL_AUTOMATIC) ? defaultWlanChannel : parameter.channel;
// This Mode should be a valid mode (>=0), probably should be sent by AdhocServer since there are 2 possibilities (Normal and GameMode). Air Conflicts - Aces Of World War 2 (which use GameMode) seems to relies on this Mode value.
group->mode = std::max(ADHOCCTL_MODE_NORMAL, adhocctlCurrentMode); // default to ADHOCCTL_MODE_NORMAL
// Link into Group List
newnetworks = group;
}
// Multithreading Unlock
peerlock.unlock();
// Move RX Buffer
memmove(rx, rx + sizeof(SceNetAdhocctlScanPacketS2C), sizeof(rx) - sizeof(SceNetAdhocctlScanPacketS2C));
// Fix RX Buffer Length
rxpos -= sizeof(SceNetAdhocctlScanPacketS2C);
}
}
// Scan Complete Packet
else if (rx[0] == OPCODE_SCAN_COMPLETE) {
DEBUG_LOG(SCENET, "FriendFinder: OPCODE_SCAN_COMPLETE");
// Log Scan Completion
INFO_LOG(SCENET, "FriendFinder: Incoming Scan complete response...");
// Reset current networks to prevent disbanded host to be listed again
peerlock.lock();
if (networks != newnetworks) {
freeGroupsRecursive(networks);
networks = newnetworks;
}
newnetworks = NULL;
peerlock.unlock();
// Notify Event Handlers
notifyAdhocctlHandlers(ADHOCCTL_EVENT_SCAN, 0);
// Move RX Buffer
memmove(rx, rx + 1, sizeof(rx) - 1);
// Fix RX Buffer Length
rxpos -= 1;
}
}
}
// This delay time should be 100ms when there is an event otherwise 500ms ?
sleep_ms(10); // Using 1ms for faster response just like AdhocServer?
// Don't do anything if it's paused, otherwise the log will be flooded
while (Core_IsStepping() && coreState != CORE_POWERDOWN && friendFinderRunning) sleep_ms(10);
}
// Groups/Networks should be deallocated isn't?
// Prevent the games from having trouble to reInitiate Adhoc (the next NetInit -> PdpCreate after NetTerm)
adhocctlState = ADHOCCTL_STATE_DISCONNECTED;
friendFinderRunning = false;
// Log Shutdown
INFO_LOG(SCENET, "FriendFinder: End of Friend Finder Thread");
// Return Success
return 0;
}
int getActivePeerCount(const bool excludeTimedout) {
// Counter
int count = 0;
// #ifdef LOCALHOST_AS_PEER
// // Increase for Localhost
// count++;
// #endif
// Peer Reference
SceNetAdhocctlPeerInfo * peer = friends;
// Iterate Peers
for (; peer != NULL; peer = peer->next) {
// Increase Counter, Should we exclude peers pending for timed out?
if (!excludeTimedout || peer->last_recv != 0)
count++;
}
// Return Result
return count;
}
int getLocalIp(sockaddr_in* SocketAddress) {
if (isLocalServer) {
SocketAddress->sin_addr = g_localhostIP.in.sin_addr;
return 0;
}
#if !PPSSPP_PLATFORM(SWITCH)
if (metasocket != (int)INVALID_SOCKET) {
struct sockaddr_in localAddr {};
localAddr.sin_addr.s_addr = INADDR_ANY;
socklen_t addrLen = sizeof(localAddr);
int ret = getsockname((int)metasocket, (struct sockaddr*)&localAddr, &addrLen);
// Note: Sometimes metasocket still contains a valid socket fd right after failed to connect to AdhocServer on a different thread, thus ended with 0.0.0.0 here
if (SOCKET_ERROR != ret && localAddr.sin_addr.s_addr != 0) {
SocketAddress->sin_addr = localAddr.sin_addr;
return 0;
}
}
#endif // !PPSSPP_PLATFORM(SWITCH)
// Fallback if not connected to AdhocServer
// getifaddrs first appeared in glibc 2.3, On Android officially supported since __ANDROID_API__ >= 24
#if defined(_IFADDRS_H_) || (__GLIBC__ > 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 3) || (__ANDROID_API__ >= 24)
struct ifaddrs* ifAddrStruct = NULL;
struct ifaddrs* ifa = NULL;
getifaddrs(&ifAddrStruct);
if (ifAddrStruct != NULL) {
for (ifa = ifAddrStruct; ifa != NULL; ifa = ifa->ifa_next) {
if (!ifa->ifa_addr) {
continue;
}
if (ifa->ifa_addr->sa_family == AF_INET) { // check it is IP4
// is a valid IP4 Address
SocketAddress->sin_addr = ((struct sockaddr_in*)ifa->ifa_addr)->sin_addr;
break;
}
}
freeifaddrs(ifAddrStruct);
return 0;
}
#else // Alternative way
int sock = socket(AF_INET, SOCK_DGRAM, 0);
if (sock != SOCKET_ERROR) {
const char* kGoogleDnsIp = "8.8.8.8"; // Needs to be an IP string so it can be resolved as fast as possible to IP, doesn't need to be reachable
uint16_t kDnsPort = 53;
struct sockaddr_in serv {};
u32 ipv4 = INADDR_NONE; // inet_addr(kGoogleDnsIp); // deprecated?
inet_pton(AF_INET, kGoogleDnsIp, &ipv4);
serv.sin_family = AF_INET;
serv.sin_addr.s_addr = ipv4;
serv.sin_port = htons(kDnsPort);
int err = connect(sock, (struct sockaddr*)&serv, sizeof(serv)); // connect should succeed even with SOCK_DGRAM
if (err != SOCKET_ERROR) {
struct sockaddr_in name {};
socklen_t namelen = sizeof(name);
err = getsockname(sock, (struct sockaddr*)&name, &namelen);
if (err != SOCKET_ERROR) {
SocketAddress->sin_addr = name.sin_addr; // May be we should cache this so it doesn't need to use connect all the time, or even better cache it when connecting to adhoc server to get an accurate IP
closesocket(sock);
return 0;
}
}
closesocket(sock);
}
#endif
return -1;
}
uint32_t getLocalIp(int sock) {
struct sockaddr_in localAddr {};
localAddr.sin_addr.s_addr = INADDR_ANY;
socklen_t addrLen = sizeof(localAddr);
getsockname(sock, (struct sockaddr*)&localAddr, &addrLen);
if (isLocalServer) {
localAddr.sin_addr = g_localhostIP.in.sin_addr;
}
return localAddr.sin_addr.s_addr;
}
static std::vector<std::pair<uint32_t, uint32_t>> InitPrivateIPRanges() {
struct sockaddr_in saNet {}, saMask{};
std::vector<std::pair<uint32_t, uint32_t>> ip_ranges;
ip_ranges.reserve(5);
if (1 == inet_pton(AF_INET, "192.168.0.0", &(saNet.sin_addr)) && 1 == inet_pton(AF_INET, "255.255.0.0", &(saMask.sin_addr)))
ip_ranges.push_back({saNet.sin_addr.s_addr, saMask.sin_addr.s_addr});
if (1 == inet_pton(AF_INET, "172.16.0.0", &(saNet.sin_addr)) && 1 == inet_pton(AF_INET, "255.240.0.0", &(saMask.sin_addr)))
ip_ranges.push_back({ saNet.sin_addr.s_addr, saMask.sin_addr.s_addr });
if (1 == inet_pton(AF_INET, "10.0.0.0", &(saNet.sin_addr)) && 1 == inet_pton(AF_INET, "255.0.0.0", &(saMask.sin_addr)))
ip_ranges.push_back({ saNet.sin_addr.s_addr, saMask.sin_addr.s_addr });
if (1 == inet_pton(AF_INET, "127.0.0.0", &(saNet.sin_addr)) && 1 == inet_pton(AF_INET, "255.0.0.0", &(saMask.sin_addr)))
ip_ranges.push_back({ saNet.sin_addr.s_addr, saMask.sin_addr.s_addr });
if (1 == inet_pton(AF_INET, "169.254.0.0", &(saNet.sin_addr)) && 1 == inet_pton(AF_INET, "255.255.0.0", &(saMask.sin_addr)))
ip_ranges.push_back({ saNet.sin_addr.s_addr, saMask.sin_addr.s_addr });
return ip_ranges;
}
bool isPrivateIP(uint32_t ip) {
static const std::vector<std::pair<uint32_t, uint32_t>> ip_ranges = InitPrivateIPRanges();
for (auto& ipRange : ip_ranges) {
if ((ip & ipRange.second) == (ipRange.first & ipRange.second)) // We can just use ipRange.first directly if it's already correctly formatted
return true;
}
return false;
}
bool isLoopbackIP(uint32_t ip) {
return ((uint8_t*)&ip)[0] == 0x7f;
}
void getLocalMac(SceNetEtherAddr * addr){
// Read MAC Address from config
uint8_t mac[ETHER_ADDR_LEN] = {0};
if (PPSSPP_ID > 1) {
memset(&mac, PPSSPP_ID, sizeof(mac));
// Making sure the 1st 2-bits on the 1st byte of OUI are zero to prevent issue with some games (ie. Gran Turismo)
mac[0] &= 0xfc;
}
else
if (!ParseMacAddress(g_Config.sMACAddress, mac)) {
ERROR_LOG(SCENET, "Error parsing mac address %s", g_Config.sMACAddress.c_str());
memset(&mac, 0, sizeof(mac));
}
memcpy(addr, mac, ETHER_ADDR_LEN);
}
uint16_t getLocalPort(int sock) {
struct sockaddr_in localAddr {};
localAddr.sin_port = 0;
socklen_t addrLen = sizeof(localAddr);
getsockname(sock, (struct sockaddr*)&localAddr, &addrLen);
return ntohs(localAddr.sin_port);
}
u_long getAvailToRecv(int sock, int udpBufferSize) {
u_long n = 0; // Typical MTU size is 1500
int err = -1;
// Note: FIONREAD may have different behavior depends on the platform, according to https://stackoverflow.com/questions/9278189/how-do-i-get-amount-of-queued-data-for-udp-socket/9296481#9296481
#if defined(_WIN32)
err = ioctlsocket(sock, FIONREAD, &n);
#else
err = ioctl(sock, FIONREAD, &n);
#endif
if (err < 0)
return 0;
if (udpBufferSize > 0 && n > 0) {
// TODO: May need to filter out packets from an IP that can't be translated to MAC address
// TODO: Cap number of bytes of full DGRAM message(s) up to buffer size, but may cause Warriors Orochi 2 to get FPS drops
}
return n;
}
int getSockMaxSize(int udpsock) {
int n = PSP_ADHOC_PDP_MTU; // Typical MTU size is 1500
#if defined(SO_MAX_MSG_SIZE) // May not be available on all platform
socklen_t m = sizeof(n);
getsockopt(udpsock, SOL_SOCKET, SO_MAX_MSG_SIZE, (char*)&n, &m);
#endif
return n;
}
int getSockBufferSize(int sock, int opt) { // opt = SO_RCVBUF/SO_SNDBUF
int n = PSP_ADHOC_PDP_MFS; // 16384;
socklen_t m = sizeof(n);
getsockopt(sock, SOL_SOCKET, opt, (char *)&n, &m); // in linux the value is twice of the value being set using setsockopt
return (n/2);
}
int setSockBufferSize(int sock, int opt, int size) { // opt = SO_RCVBUF/SO_SNDBUF
int n = size; // 8192; //16384
return setsockopt(sock, SOL_SOCKET, opt, (char *)&n, sizeof(n));
}
int setSockMSS(int sock, int size) {
int mss = size; // 1460;
return setsockopt(sock, IPPROTO_TCP, TCP_MAXSEG, (char*)&mss, sizeof(mss));
}
int setSockTimeout(int sock, int opt, unsigned long timeout_usec) { // opt = SO_SNDTIMEO/SO_RCVTIMEO
if (timeout_usec > 0 && timeout_usec < minSocketTimeoutUS) timeout_usec = minSocketTimeoutUS; // Override timeout for high latency multiplayer
#if defined(_WIN32)
unsigned long optval = timeout_usec / 1000UL;
if (timeout_usec > 0 && optval == 0) optval = 1; // Since there are games that use 100 usec timeout, we should set it to minimum value on Windows (1 msec) instead of using 0 (0 = indefinitely timeout)
#elif defined(__APPLE__)
struct timeval optval;
optval.tv_sec = static_cast<long>(timeout_usec) / 1000000L;
optval.tv_usec = static_cast<long>(timeout_usec) % 1000000L;
#else
struct timeval optval = { static_cast<long>(timeout_usec) / 1000000L, static_cast<long>(timeout_usec) % 1000000L };
#endif
return setsockopt(sock, SOL_SOCKET, opt, (char*)&optval, sizeof(optval));
}
int getSockError(int sock) {
int result = 0;
socklen_t result_len = sizeof(result);
if (getsockopt(sock, SOL_SOCKET, SO_ERROR, (char*)&result, &result_len) < 0) {
result = errno;
}
return result;
}
int getSockNoDelay(int tcpsock) {
int opt = 0;
socklen_t optlen = sizeof(opt);
getsockopt(tcpsock, IPPROTO_TCP, TCP_NODELAY, (char*)&opt, &optlen);
return opt;
}
//#define TCP_QUICKACK 0x0c
int setSockNoDelay(int tcpsock, int flag) {
int opt = flag;
// Disable ACK Delay when supported
#if defined(TCP_QUICKACK)
setsockopt(tcpsock, IPPROTO_TCP, TCP_QUICKACK, (char*)&opt, sizeof(opt));
#elif defined(_WIN32)
#if !defined(SIO_TCP_SET_ACK_FREQUENCY)
#define SIO_TCP_SET_ACK_FREQUENCY _WSAIOW(IOC_VENDOR,23)
#endif
int freq = flag? 1:2; // can be 1..255, default is 2 (delayed 200ms)
DWORD retbytes = 0;
WSAIoctl(tcpsock, SIO_TCP_SET_ACK_FREQUENCY, &freq, sizeof(freq), NULL, 0, &retbytes, NULL, NULL);
#endif
// Disable Nagle Algo
return setsockopt(tcpsock, IPPROTO_TCP, TCP_NODELAY, (char*)&opt, sizeof(opt));
}
int setSockNoSIGPIPE(int sock, int flag) {
// Set SIGPIPE when supported (ie. BSD/MacOS X)
int opt = flag;
#if defined(SO_NOSIGPIPE)
// Note: Linux might have SO_NOSIGPIPE defined too, but using it on setsockopt will result to EINVAL error
return setsockopt(sock, SOL_SOCKET, SO_NOSIGPIPE, (void*)&opt, sizeof(opt));
#endif
return -1;
}
int setSockReuseAddrPort(int sock) {
int opt = 1;
// Should we set SO_BROADCAST too for SO_REUSEADDR to works like SO_REUSEPORT ?
// Set SO_REUSEPORT also when supported (ie. Android)
#if defined(SO_REUSEPORT)
setsockopt(sock, SOL_SOCKET, SO_REUSEPORT, (const char*)&opt, sizeof(opt));
#endif
return setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, (const char*)&opt, sizeof(opt));
}
int setUDPConnReset(int udpsock, bool enabled) {
// On Windows: Connection Reset error on UDP could cause a strange behavior https://stackoverflow.com/questions/34242622/windows-udp-sockets-recvfrom-fails-with-error-10054
#if defined(_WIN32)
#if !defined(SIO_UDP_CONNRESET)
#define SIO_UDP_CONNRESET _WSAIOW(IOC_VENDOR, 12)
#endif
BOOL bNewBehavior = enabled;
DWORD dwBytesReturned = 0;
return WSAIoctl(udpsock, SIO_UDP_CONNRESET, &bNewBehavior, sizeof bNewBehavior, NULL, 0, &dwBytesReturned, NULL, NULL);
#endif
return -1;
}
#if !defined(TCP_KEEPIDLE) && !PPSSPP_PLATFORM(SWITCH)
#define TCP_KEEPIDLE TCP_KEEPALIVE //TCP_KEEPIDLE on Linux is equivalent to TCP_KEEPALIVE on macOS
#endif
// VS 2017 compatibility
#if _MSC_VER
#ifndef TCP_KEEPCNT
#define TCP_KEEPCNT 16
#endif
#ifndef TCP_KEEPINTVL
#define TCP_KEEPINTVL 17
#endif
#endif
int setSockKeepAlive(int sock, bool keepalive, const int keepinvl, const int keepcnt, const int keepidle) {
int optval = keepalive ? 1 : 0;
int optlen = sizeof(optval);
int result = setsockopt(sock, SOL_SOCKET, SO_KEEPALIVE, (char*)&optval, optlen);
#if !PPSSPP_PLATFORM(SWITCH) && !PPSSPP_PLATFORM(OPENBSD)
if (result == 0 && keepalive) {
if (getsockopt(sock, SOL_SOCKET, SO_TYPE, (char*)&optval, (socklen_t*)&optlen) == 0 && optval == SOCK_STREAM) {
optlen = sizeof(optval);
optval = keepidle; //180 sec
setsockopt(sock, IPPROTO_TCP, TCP_KEEPIDLE, (char*)&optval, optlen);
optval = keepinvl; //60 sec
setsockopt(sock, IPPROTO_TCP, TCP_KEEPINTVL, (char*)&optval, optlen);
optval = keepcnt; //20
setsockopt(sock, IPPROTO_TCP, TCP_KEEPCNT, (char*)&optval, optlen);
}
}
#endif // !PPSSPP_PLATFORM(SWITCH) && !PPSSPP_PLATFORM(OPENBSD)
return result;
}
/**
* Return the Number of Players with the chosen Nickname in the Local Users current Network
* @param nickname To-be-searched Nickname
* @return Number of matching Players
*/
int getNicknameCount(const char * nickname)
{
// Counter
int count = 0;
// Local Nickname Matches
if (strncmp((char *)&parameter.nickname.data, nickname, ADHOCCTL_NICKNAME_LEN) == 0) count++;
// Peer Reference
SceNetAdhocctlPeerInfo * peer = friends;
// Iterate Peers
for (; peer != NULL; peer = peer->next)
{
// Match found
if (peer->last_recv != 0 && strncmp((char *)&peer->nickname.data, nickname, ADHOCCTL_NICKNAME_LEN) == 0) count++;
}
// Return Result
return count;
}
/**
* PDP Socket Counter
* @return Number of internal PDP Sockets
*/
int getPDPSocketCount()
{
// Socket Counter
int counter = 0;
// Count Sockets
for (int i = 0; i < MAX_SOCKET; i++)
if (adhocSockets[i] != NULL && adhocSockets[i]->type == SOCK_PDP)
counter++;
// Return Socket Count
return counter;
}
int getPTPSocketCount() {
// Socket Counter
int counter = 0;
// Count Sockets
for (int i = 0; i < MAX_SOCKET; i++)
if (adhocSockets[i] != NULL && adhocSockets[i]->type == SOCK_PTP)
counter++;
// Return Socket Count
return counter;
}
int initNetwork(SceNetAdhocctlAdhocId *adhoc_id){
auto n = GetI18NCategory(I18NCat::NETWORKING);
int iResult = 0;
metasocket = (int)INVALID_SOCKET;
metasocket = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
if (metasocket == INVALID_SOCKET){
ERROR_LOG(SCENET, "Invalid socket");
return SOCKET_ERROR;
}
setSockKeepAlive((int)metasocket, true);
// Disable Nagle Algo to prevent delaying small packets
setSockNoDelay((int)metasocket, 1);
// Switch to Nonblocking Behaviour
changeBlockingMode((int)metasocket, 1);
// Ignore SIGPIPE when supported (ie. BSD/MacOS)
setSockNoSIGPIPE((int)metasocket, 1);
// If Server is at localhost Try to Bind socket to specific adapter before connecting to prevent 2nd instance being recognized as already existing 127.0.0.1 by AdhocServer
// (may not works in WinXP/2003 for IPv4 due to "Weak End System" model)
if (isLoopbackIP(g_adhocServerIP.in.sin_addr.s_addr)) {
int on = 1;
// Not sure what is this SO_DONTROUTE supposed to fix, but i do remembered there were issue related to multiple-instances without SO_DONTROUTE, but forgot how to reproduce it :(
setsockopt((int)metasocket, SOL_SOCKET, SO_DONTROUTE, (const char*)&on, sizeof(on));
setSockReuseAddrPort((int)metasocket);
g_localhostIP.in.sin_port = 0;
// Bind Local Address to Socket
iResult = bind((int)metasocket, &g_localhostIP.addr, sizeof(g_localhostIP.addr));
if (iResult == SOCKET_ERROR) {
ERROR_LOG(SCENET, "Bind to alternate localhost[%s] failed(%i).", ip2str(g_localhostIP.in.sin_addr).c_str(), iResult);
g_OSD.Show(OSDType::MESSAGE_ERROR, std::string(n->T("Failed to Bind Localhost IP")) + " " + ip2str(g_localhostIP.in.sin_addr).c_str());
}
}
// Default/Initial Network Parameters
memset(&parameter, 0, sizeof(parameter));
strncpy((char *)&parameter.nickname.data, g_Config.sNickName.c_str(), ADHOCCTL_NICKNAME_LEN);
parameter.nickname.data[ADHOCCTL_NICKNAME_LEN - 1] = 0;
parameter.channel = g_Config.iWlanAdhocChannel;
// Assign a Valid Channel when connected to AP/Adhoc if it's Auto. JPCSP use 11 as default for Auto (Commonly for Auto: 1, 6, 11)
if (parameter.channel == PSP_SYSTEMPARAM_ADHOC_CHANNEL_AUTOMATIC) parameter.channel = defaultWlanChannel; // Faked Active channel to default channel
//getLocalMac(&parameter.bssid.mac_addr);
// Default ProductId
product_code.type = adhoc_id->type;
memcpy(product_code.data, adhoc_id->data, ADHOCCTL_ADHOCID_LEN);
// Don't need to connect if AdhocServer DNS was not resolved
if (g_adhocServerIP.in.sin_addr.s_addr == INADDR_NONE)
return SOCKET_ERROR;
// Don't need to connect if AdhocServer IP is the same with this instance localhost IP and having AdhocServer disabled
if (g_adhocServerIP.in.sin_addr.s_addr == g_localhostIP.in.sin_addr.s_addr && !g_Config.bEnableAdhocServer)
return SOCKET_ERROR;
// Connect to Adhoc Server
int errorcode = 0;
int cnt = 0;
DEBUG_LOG(SCENET, "InitNetwork: Connecting to AdhocServer");
iResult = connect((int)metasocket, &g_adhocServerIP.addr, sizeof(g_adhocServerIP));
errorcode = errno;
if (iResult == SOCKET_ERROR && errorcode != EISCONN) {
u64 startTime = (u64)(time_now_d() * 1000000.0);
bool done = false;
while (!done) {
if (coreState == CORE_POWERDOWN)
return iResult;
done = (IsSocketReady((int)metasocket, false, true) > 0);
struct sockaddr_in sin;
socklen_t sinlen = sizeof(sin);
memset(&sin, 0, sinlen);
// Ensure that the connection really established or not, since "select" alone can't accurately detects it
done &= (getpeername((int)metasocket, (struct sockaddr*)&sin, &sinlen) != SOCKET_ERROR);
u64 now = (u64)(time_now_d() * 1000000.0);
if (static_cast<s64>(now - startTime) > adhocDefaultTimeout) {
if (connectInProgress(errorcode))
errorcode = ETIMEDOUT;
break;
}
sleep_ms(10);
}
if (!done) {
ERROR_LOG(SCENET, "Socket error (%i) when connecting to AdhocServer [%s/%s:%u]", errorcode, g_Config.proAdhocServer.c_str(), ip2str(g_adhocServerIP.in.sin_addr).c_str(), ntohs(g_adhocServerIP.in.sin_port));
g_OSD.Show(OSDType::MESSAGE_ERROR, std::string(n->T("Failed to connect to Adhoc Server")) + " (" + std::string(n->T("Error")) + ": " + std::to_string(errorcode) + ")");
return iResult;
}
}
// Prepare Login Packet
SceNetAdhocctlLoginPacketC2S packet;
packet.base.opcode = OPCODE_LOGIN;
SceNetEtherAddr addres;
getLocalMac(&addres);
packet.mac = addres;
strncpy((char *)&packet.name.data, g_Config.sNickName.c_str(), ADHOCCTL_NICKNAME_LEN);
packet.name.data[ADHOCCTL_NICKNAME_LEN - 1] = 0;
memcpy(packet.game.data, adhoc_id->data, ADHOCCTL_ADHOCID_LEN);
IsSocketReady((int)metasocket, false, true, nullptr, adhocDefaultTimeout);
DEBUG_LOG(SCENET, "InitNetwork: Sending LOGIN OPCODE %d", packet.base.opcode);
int sent = send((int)metasocket, (char*)&packet, sizeof(packet), MSG_NOSIGNAL);
if (sent > 0) {
socklen_t addrLen = sizeof(LocalIP);
memset(&LocalIP, 0, addrLen);
getsockname((int)metasocket, &LocalIP, &addrLen);
g_OSD.Show(OSDType::MESSAGE_SUCCESS, n->T("Network Initialized"), 1.0);
return 0;
} else {
return SOCKET_ERROR;
}
}
bool isZeroMAC(const SceNetEtherAddr* addr) {
return (memcmp(addr->data, "\x00\x00\x00\x00\x00\x00", ETHER_ADDR_LEN) == 0);
}
bool isBroadcastMAC(const SceNetEtherAddr * addr) {
return (memcmp(addr->data, "\xFF\xFF\xFF\xFF\xFF\xFF", ETHER_ADDR_LEN) == 0);
}
bool resolveIP(uint32_t ip, SceNetEtherAddr * mac) {
sockaddr_in addr;
getLocalIp(&addr);
uint32_t localIp = addr.sin_addr.s_addr;
if (ip == localIp || ip == g_localhostIP.in.sin_addr.s_addr) {
getLocalMac(mac);
return true;
}
// Multithreading Lock
std::lock_guard<std::recursive_mutex> peer_guard(peerlock);
// Peer Reference
SceNetAdhocctlPeerInfo * peer = friends;
// Iterate Peers
for (; peer != NULL; peer = peer->next) {
// Found Matching Peer
if (peer->ip_addr == ip) {
// Copy Data
*mac = peer->mac_addr;
// Return Success
return true;
}
}
// Peer not found
return false;
}
bool resolveMAC(SceNetEtherAddr* mac, uint32_t* ip, u16* port_offset) {
// Get Local MAC Address
SceNetEtherAddr localMac;
getLocalMac(&localMac);
// Local MAC Requested
if (isMacMatch(&localMac, mac)) {
// Get Local IP Address
sockaddr_in sockAddr;
getLocalIp(&sockAddr);
*ip = sockAddr.sin_addr.s_addr;
if (port_offset)
*port_offset = portOffset;
return true; // return succes
}
// Multithreading Lock
std::lock_guard<std::recursive_mutex> peer_guard(peerlock);
// Peer Reference
SceNetAdhocctlPeerInfo * peer = friends;
// Iterate Peers
for (; peer != NULL; peer = peer->next) {
// Found Matching Peer
if (isMacMatch(&peer->mac_addr, mac)) {
// Copy Data
*ip = peer->ip_addr;
if (port_offset)
*port_offset = peer->port_offset;
// Return Success
return true;
}
}
// Peer not found
return false;
}
bool validNetworkName(const SceNetAdhocctlGroupName * group_name) {
// Result
bool valid = true;
// Name given
if (group_name != NULL) {
// Iterate Name Characters
for (int i = 0; i < ADHOCCTL_GROUPNAME_LEN && valid; i++) {
// End of Name
if (group_name->data[i] == 0) break;
// Not a digit
if (group_name->data[i] < '0' || group_name->data[i] > '9') {
// Not 'A' to 'Z'
if (group_name->data[i] < 'A' || group_name->data[i] > 'Z') {
// Not 'a' to 'z'
if (group_name->data[i] < 'a' || group_name->data[i] > 'z') {
// Invalid Name
valid = false;
}
}
}
}
}
// Return Result
return valid;
}
u64 join32(u32 num1, u32 num2){
return (u64)num2 << 32 | num1;
}
void split64(u64 num, int buff[]){
int num1 = (int)(num&firstMask);
int num2 = (int)((num&secondMask) >> 32);
buff[0] = num1;
buff[1] = num2;
}
const char* getMatchingEventStr(int code) {
const char *buf = NULL;
switch (code) {
case PSP_ADHOC_MATCHING_EVENT_HELLO:
buf = "HELLO"; break;
case PSP_ADHOC_MATCHING_EVENT_REQUEST:
buf = "JOIN"; break;
case PSP_ADHOC_MATCHING_EVENT_LEAVE:
buf = "LEAVE"; break;
case PSP_ADHOC_MATCHING_EVENT_DENY:
buf = "REJECT"; break;
case PSP_ADHOC_MATCHING_EVENT_CANCEL:
buf = "CANCEL"; break;
case PSP_ADHOC_MATCHING_EVENT_ACCEPT:
buf = "ACCEPT"; break;
case PSP_ADHOC_MATCHING_EVENT_ESTABLISHED:
buf = "ESTABLISHED"; break;
case PSP_ADHOC_MATCHING_EVENT_TIMEOUT:
buf = "TIMEOUT"; break;
case PSP_ADHOC_MATCHING_EVENT_ERROR:
buf = "ERROR"; break;
case PSP_ADHOC_MATCHING_EVENT_BYE:
buf = "DISCONNECT"; break;
case PSP_ADHOC_MATCHING_EVENT_DATA:
buf = "DATA"; break;
case PSP_ADHOC_MATCHING_EVENT_DATA_ACK:
buf = "DATA_ACK"; break;
case PSP_ADHOC_MATCHING_EVENT_DATA_TIMEOUT:
buf = "DATA_TIMEOUT"; break;
case PSP_ADHOC_MATCHING_EVENT_INTERNAL_PING:
buf = "INTERNAL_PING"; break;
default:
buf = "UNKNOWN";
}
return buf;
}
const char* getMatchingOpcodeStr(int code) {
const char *buf = NULL;
switch (code) {
case PSP_ADHOC_MATCHING_PACKET_PING:
buf = "PING"; break;
case PSP_ADHOC_MATCHING_PACKET_HELLO:
buf = "HELLO"; break;
case PSP_ADHOC_MATCHING_PACKET_JOIN:
buf = "JOIN"; break;
case PSP_ADHOC_MATCHING_PACKET_ACCEPT:
buf = "ACCEPT"; break;
case PSP_ADHOC_MATCHING_PACKET_CANCEL:
buf = "CANCEL"; break;
case PSP_ADHOC_MATCHING_PACKET_BULK:
buf = "BULK"; break;
case PSP_ADHOC_MATCHING_PACKET_BULK_ABORT:
buf = "BULK_ABORT"; break;
case PSP_ADHOC_MATCHING_PACKET_BIRTH:
buf = "BIRTH"; break;
case PSP_ADHOC_MATCHING_PACKET_DEATH:
buf = "DEATH"; break;
case PSP_ADHOC_MATCHING_PACKET_BYE:
buf = "BYE"; break;
default:
buf = "UNKNOWN";
}
return buf;
}
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