mirror of
https://github.com/hrydgard/ppsspp.git
synced 2024-11-27 23:40:39 +00:00
711 lines
17 KiB
C++
711 lines
17 KiB
C++
// TODO: Add license
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#include "util/text/parsers.h"
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#include "proAdhoc.h"
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uint32_t fakePoolSize = 0;
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SceNetAdhocMatchingContext * contexts = NULL;
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int one = 1;
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bool friendFinderRunning = false;
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SceNetAdhocctlPeerInfo * friends = NULL;
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SceNetAdhocctlScanInfo * networks = NULL;
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int eventHandlerUpdate = -1;
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int threadStatus = ADHOCCTL_STATE_DISCONNECTED;
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int metasocket;
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SceNetAdhocctlParameter parameter;
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std::thread friendFinderThread;
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recursive_mutex peerlock;
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SceNetAdhocPdpStat * pdp[255];
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SceNetAdhocPtpStat * ptp[255];
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int isLocalMAC(const SceNetEtherAddr * addr) {
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SceNetEtherAddr saddr;
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getLocalMac(&saddr);
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// Compare MAC Addresses
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int match = memcmp((const void *)addr, (const void *)&saddr, ETHER_ADDR_LEN);
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// Return Result
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return (match == 0);
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}
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int isPDPPortInUse(uint16_t port) {
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// Iterate Elements
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int i = 0; for(; i < 255; i++) if(pdp[i] != NULL && pdp[i]->lport == port) return 1;
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// Unused Port
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return 0;
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}
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int isPTPPortInUse(uint16_t port) {
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// Iterate Sockets
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int i = 0; for(; i < 255; i++) if(ptp[i] != NULL && ptp[i]->lport == port) return 1;
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// Unused Port
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return 0;
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}
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void addFriend(SceNetAdhocctlConnectPacketS2C * packet) {
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// Allocate Structure
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SceNetAdhocctlPeerInfo * peer = (SceNetAdhocctlPeerInfo *)malloc(sizeof(SceNetAdhocctlPeerInfo));
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// Allocated Structure
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if(peer != NULL) {
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// Clear Memory
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memset(peer, 0, sizeof(SceNetAdhocctlPeerInfo));
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// Link to existing Peers
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peer->next = friends;
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// Save Nickname
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peer->nickname = packet->name;
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// Save MAC Address
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peer->mac_addr = packet->mac;
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// Save IP Address
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peer->ip_addr = packet->ip;
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// Multithreading Lock
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peerlock.lock();
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// Link into Peerlist
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friends = peer;
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// Multithreading Unlock
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peerlock.unlock();
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}
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}
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void changeBlockingMode(int fd, int nonblocking) {
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unsigned long on = 1;
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unsigned long off = 0;
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#ifdef _MSC_VER
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if(nonblocking){
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// Change to Non-Blocking Mode
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ioctlsocket(fd,FIONBIO,&on);
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}else {
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// Change to Blocking Mode
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ioctlsocket(fd, FIONBIO, &off);
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}
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#else
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if(nonblocking == 1) fcntl(fd, F_SETFL, O_NONBLOCK);
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else {
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// Get Flags
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int flags = fcntl(fd, F_GETFL);
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// Remove Non-Blocking Flag
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fcntl(fd, F_SETFL, flags & ~O_NONBLOCK);
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}
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#endif
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}
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int countAvailableNetworks(void) {
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// Network Count
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int count = 0;
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// Group Reference
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SceNetAdhocctlScanInfo * group = networks;
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// Count Groups
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for(; group != NULL; group = group->next) count++;
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// Return Network Count
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return count;
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}
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void deleteAllPDP(void) {
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// Iterate Element
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int i = 0; for(; i < 255; i++) {
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// Active Socket
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if(pdp[i] != NULL) {
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// Close Socket
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closesocket(pdp[i]->id);
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// Free Memory
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free(pdp[i]);
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// Delete Reference
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pdp[i] = NULL;
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}
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}
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}
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void deleteAllPTP(void) {
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// Iterate Element
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int i = 0; for(; i < 255; i++) {
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// Active Socket
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if(ptp[i] != NULL) {
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// Close Socket
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closesocket(ptp[i]->id);
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// Free Memory
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free(ptp[i]);
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// Delete Reference
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ptp[i] = NULL;
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}
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}
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}
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void deleteFriendByIP(uint32_t ip) {
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// Previous Peer Reference
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SceNetAdhocctlPeerInfo * prev = NULL;
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// Peer Pointer
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SceNetAdhocctlPeerInfo * peer = friends;
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// Iterate Peers
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for(; peer != NULL; peer = peer->next) {
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// Found Peer
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if(peer->ip_addr == ip) {
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// Multithreading Lock
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peerlock.lock();
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// Unlink Left (Beginning)
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if(prev == NULL)friends = peer->next;
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// Unlink Left (Other)
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else prev->next = peer->next;
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// Multithreading Unlock
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peerlock.unlock();
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// Free Memory
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free(peer);
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// Stop Search
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break;
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}
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// Set Previous Reference
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prev = peer;
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}
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}
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int findFreeMatchingID(void) {
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// Minimum Matching ID
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int min = 1;
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// Maximum Matching ID
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int max = 0;
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// Find highest Matching ID
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SceNetAdhocMatchingContext * item = contexts; for(; item != NULL; item = item->next) {
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// New Maximum
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if(max < item->id) max = item->id;
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}
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// Find unoccupied ID
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int i = min; for(; i < max; i++) {
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// Found unoccupied ID
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if(findMatchingContext(i) == NULL) return i;
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}
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// Append at virtual end
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return max + 1;
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}
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SceNetAdhocMatchingContext * findMatchingContext(int id) {
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// Iterate Matching Context List
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SceNetAdhocMatchingContext * item = contexts; for(; item != NULL; item = item->next) { // Found Matching ID
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if(item->id == id) return item;
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}
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// Context not found
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return NULL;
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}
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void freeFriendsRecursive(SceNetAdhocctlPeerInfo * node) {
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// End of List
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if(node == NULL) return;
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// Increase Recursion Depth
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freeFriendsRecursive(node->next);
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// Free Memory
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free(node);
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}
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int friendFinder(){
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// Receive Buffer
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int rxpos = 0;
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uint8_t rx[1024];
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// Chat Packet
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SceNetAdhocctlChatPacketC2S chat;
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chat.base.opcode = OPCODE_CHAT;
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// Last Ping Time
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uint64_t lastping = 0;
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// Last Time Reception got updated
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uint64_t lastreceptionupdate = 0;
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uint64_t now;
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// Finder Loop
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while(friendFinderRunning) {
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// Acquire Network Lock
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//_acquireNetworkLock();
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// Ping Server
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now = real_time_now()*1000.0;
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if(now - lastping >= 100) {
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// Update Ping Time
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lastping = now;
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// Prepare Packet
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uint8_t opcode = OPCODE_PING;
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// Send Ping to Server
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send(metasocket, (const char *)&opcode, 1,0);
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}
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// Send Chat Messages
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//while(popFromOutbox(chat.message))
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//{
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// // Send Chat to Server
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// sceNetInetSend(metasocket, (const char *)&chat, sizeof(chat), 0);
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//}
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// Wait for Incoming Data
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int received = recv(metasocket, (char *)(rx + rxpos), sizeof(rx) - rxpos,0);
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// Free Network Lock
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//_freeNetworkLock();
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// Received Data
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if(received > 0) {
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// Fix Position
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rxpos += received;
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// Log Incoming Traffic
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//printf("Received %d Bytes of Data from Server\n", received);
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INFO_LOG(SCENET, "Received %d Bytes of Data from Adhoc Server", received);
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}
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// Handle Packets
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if(rxpos > 0) {
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// BSSID Packet
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if(rx[0] == OPCODE_CONNECT_BSSID) {
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// Enough Data available
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if(rxpos >= (int)sizeof(SceNetAdhocctlConnectBSSIDPacketS2C)) {
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// Cast Packet
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SceNetAdhocctlConnectBSSIDPacketS2C * packet = (SceNetAdhocctlConnectBSSIDPacketS2C *)rx;
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// Update BSSID
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parameter.bssid.mac_addr = packet->mac;
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// Change State
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threadStatus = ADHOCCTL_STATE_CONNECTED;
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// Notify Event Handlers
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CoreTiming::ScheduleEvent_Threadsafe_Immediate(eventHandlerUpdate, join32(ADHOCCTL_EVENT_CONNECT, 0));
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// Move RX Buffer
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memmove(rx, rx + sizeof(SceNetAdhocctlConnectBSSIDPacketS2C), sizeof(rx) - sizeof(SceNetAdhocctlConnectBSSIDPacketS2C));
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// Fix RX Buffer Length
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rxpos -= sizeof(SceNetAdhocctlConnectBSSIDPacketS2C);
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}
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}
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// Chat Packet
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else if(rx[0] == OPCODE_CHAT) {
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// Enough Data available
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if(rxpos >= (int)sizeof(SceNetAdhocctlChatPacketS2C)) {
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// Cast Packet
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SceNetAdhocctlChatPacketS2C * packet = (SceNetAdhocctlChatPacketS2C *)rx;
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// Fix for Idiots that try to troll the "ME" Nametag
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if(strcasecmp((char *)packet->name.data, "ME") == 0) strcpy((char *)packet->name.data, "NOT ME");
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// Add Incoming Chat to HUD
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//printf("Receive chat message %s", packet->base.message);
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// Move RX Buffer
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memmove(rx, rx + sizeof(SceNetAdhocctlChatPacketS2C), sizeof(rx) - sizeof(SceNetAdhocctlChatPacketS2C));
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// Fix RX Buffer Length
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rxpos -= sizeof(SceNetAdhocctlChatPacketS2C);
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}
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}
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// Connect Packet
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else if(rx[0] == OPCODE_CONNECT) {
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// Enough Data available
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if(rxpos >= (int)sizeof(SceNetAdhocctlConnectPacketS2C)) {
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// Log Incoming Peer
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INFO_LOG(SCENET,"Incoming Peer Data...");
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// Cast Packet
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SceNetAdhocctlConnectPacketS2C * packet = (SceNetAdhocctlConnectPacketS2C *)rx;
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// Add User
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addFriend(packet);
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// Update HUD User Count
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#ifdef LOCALHOST_AS_PEER
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setUserCount(getActivePeerCount());
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#else
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// setUserCount(getActivePeerCount()+1);
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#endif
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// Move RX Buffer
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memmove(rx, rx + sizeof(SceNetAdhocctlConnectPacketS2C), sizeof(rx) - sizeof(SceNetAdhocctlConnectPacketS2C));
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// Fix RX Buffer Length
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rxpos -= sizeof(SceNetAdhocctlConnectPacketS2C);
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}
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}
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// Disconnect Packet
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else if(rx[0] == OPCODE_DISCONNECT) {
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// Enough Data available
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if(rxpos >= (int)sizeof(SceNetAdhocctlDisconnectPacketS2C)) {
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// Log Incoming Peer Delete Request
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INFO_LOG(SCENET,"FriendFinder: Incoming Peer Data Delete Request...");
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// Cast Packet
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SceNetAdhocctlDisconnectPacketS2C * packet = (SceNetAdhocctlDisconnectPacketS2C *)rx;
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// Delete User by IP
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deleteFriendByIP(packet->ip);
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// Update HUD User Count
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#ifdef LOCALHOST_AS_PEER
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setUserCount(_getActivePeerCount());
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#else
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//setUserCount(_getActivePeerCount()+1);
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#endif
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// Move RX Buffer
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memmove(rx, rx + sizeof(SceNetAdhocctlDisconnectPacketS2C), sizeof(rx) - sizeof(SceNetAdhocctlDisconnectPacketS2C));
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// Fix RX Buffer Length
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rxpos -= sizeof(SceNetAdhocctlDisconnectPacketS2C);
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}
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}
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// Scan Packet
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else if(rx[0] == OPCODE_SCAN) {
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// Enough Data available
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if(rxpos >= (int)sizeof(SceNetAdhocctlScanPacketS2C)) {
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// Log Incoming Network Information
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INFO_LOG(SCENET,"Incoming Group Information...");
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// Cast Packet
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SceNetAdhocctlScanPacketS2C * packet = (SceNetAdhocctlScanPacketS2C *)rx;
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// Allocate Structure Data
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SceNetAdhocctlScanInfo * group = (SceNetAdhocctlScanInfo *)malloc(sizeof(SceNetAdhocctlScanInfo));
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// Allocated Structure Data
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if(group != NULL)
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{
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// Clear Memory
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memset(group, 0, sizeof(SceNetAdhocctlScanInfo));
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// Link to existing Groups
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group->next = networks;
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// Copy Group Name
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group->group_name = packet->group;
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// Set Group Host
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group->bssid.mac_addr = packet->mac;
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// Link into Group List
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networks = group;
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}
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// Move RX Buffer
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memmove(rx, rx + sizeof(SceNetAdhocctlScanPacketS2C), sizeof(rx) - sizeof(SceNetAdhocctlScanPacketS2C));
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// Fix RX Buffer Length
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rxpos -= sizeof(SceNetAdhocctlScanPacketS2C);
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}
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}
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// Scan Complete Packet
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else if(rx[0] == OPCODE_SCAN_COMPLETE) {
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// Log Scan Completion
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INFO_LOG(SCENET,"FriendFinder: Incoming Scan complete response...");
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// Change State
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threadStatus = ADHOCCTL_STATE_DISCONNECTED;
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// Notify Event Handlers
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CoreTiming::ScheduleEvent_Threadsafe_Immediate(eventHandlerUpdate,join32(ADHOCCTL_EVENT_SCAN, 0));
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//int i = 0; for(; i < ADHOCCTL_MAX_HANDLER; i++)
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//{
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// // Active Handler
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// if(_event_handler[i] != NULL) _event_handler[i](ADHOCCTL_EVENT_SCAN, 0, _event_args[i]);
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//}
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// Move RX Buffer
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memmove(rx, rx + 1, sizeof(rx) - 1);
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// Fix RX Buffer Length
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rxpos -= 1;
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}
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}
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// Original value was 10 ms, I think 100 is just fine
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sleep_ms(100);
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}
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// Log Shutdown
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INFO_LOG(SCENET, "FriendFinder: End of Friend Finder Thread");
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// Return Success
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return 0;
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}
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int getActivePeerCount(void) {
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// Counter
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int count = 0;
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// #ifdef LOCALHOST_AS_PEER
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// // Increase for Localhost
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// count++;
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// #endif
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// Peer Reference
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SceNetAdhocctlPeerInfo * peer = friends;
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// Iterate Peers
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for(; peer != NULL; peer = peer->next) {
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// Increase Counter
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count++;
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}
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// Return Result
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return count;
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}
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int getLocalIp(sockaddr_in * SocketAddress){
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#ifdef _MSC_VER
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// Get local host name
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char szHostName[128] = "";
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if(::gethostname(szHostName, sizeof(szHostName))) {
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// Error handling
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}
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// Get local IP addresses
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struct hostent *pHost = 0;
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pHost = ::gethostbyname(szHostName);
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if(pHost) {
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memcpy(&SocketAddress->sin_addr, pHost->h_addr_list[0], pHost->h_length);
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return 0;
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}
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return -1;
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#else
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SocketAddress->sin_addr.s_addr = inet_addr("192.168.12.1");
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return 0;
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#endif
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}
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void getLocalMac(SceNetEtherAddr * addr){
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// Read MAC Address from config
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uint8_t mac[ETHER_ADDR_LEN] = {0};
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if (!ParseMacAddress(g_Config.localMacAddress.c_str(), mac)) {
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ERROR_LOG(SCENET, "Error parsing mac address %s", g_Config.localMacAddress.c_str());
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}
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memcpy(addr, mac, ETHER_ADDR_LEN);
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}
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int getPTPSocketCount(void) {
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// Socket Counter
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int counter = 0;
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// Count Sockets
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int i = 0; for(; i < 255; i++) if(ptp[i] != NULL) counter++;
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// Return Socket Count
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return counter;
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}
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int initNetwork(SceNetAdhocctlAdhocId *adhoc_id){
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int iResult = 0;
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#ifdef _MSC_VER
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WSADATA data;
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iResult = WSAStartup(MAKEWORD(2,2),&data);
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if(iResult != NOERROR){
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ERROR_LOG(SCENET, "Wsa failed");
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return iResult;
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}
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#endif
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metasocket = (int)INVALID_SOCKET;
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metasocket = socket(AF_INET,SOCK_STREAM, IPPROTO_TCP);
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if(metasocket == INVALID_SOCKET){
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ERROR_LOG(SCENET,"invalid socket");
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return -1;
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}
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struct sockaddr_in server_addr;
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server_addr.sin_family = AF_INET;
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server_addr.sin_port = htons(27312); // Maybe read this from config too
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// Resolve dns
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addrinfo * resultAddr;
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addrinfo * ptr;
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in_addr serverIp;
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iResult = getaddrinfo(g_Config.proAdhocServer.c_str(),0,NULL,&resultAddr);
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if(iResult != 0){
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ERROR_LOG(SCENET, "Dns error\n");
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return iResult;
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}
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for(ptr = resultAddr; ptr != NULL; ptr = ptr->ai_next){
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switch(ptr->ai_family){
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case AF_INET:
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serverIp = ((sockaddr_in *)ptr->ai_addr)->sin_addr;
|
|
}
|
|
}
|
|
server_addr.sin_addr = serverIp;
|
|
iResult = connect(metasocket,(sockaddr *)&server_addr,sizeof(server_addr));
|
|
if(iResult == SOCKET_ERROR){
|
|
ERROR_LOG(SCENET,"Socket error");
|
|
return iResult;
|
|
}
|
|
memset(¶meter,0,sizeof(parameter));
|
|
strcpy((char *)¶meter.nickname.data, g_Config.sNickName.c_str());
|
|
parameter.channel = 1; // Fake Channel 1
|
|
|
|
// Prepare Login Packet
|
|
getLocalMac(¶meter.bssid.mac_addr);
|
|
SceNetAdhocctlLoginPacketC2S packet;
|
|
packet.base.opcode = OPCODE_LOGIN;
|
|
SceNetEtherAddr addres;
|
|
getLocalMac(&addres);
|
|
packet.mac = addres;
|
|
strcpy((char *)packet.name.data, g_Config.sNickName.c_str());
|
|
memcpy(packet.game.data, adhoc_id->data, ADHOCCTL_ADHOCID_LEN);
|
|
int sent = send(metasocket, (char*)&packet, sizeof(packet), 0);
|
|
changeBlockingMode(metasocket,1); // Change to non-blocking
|
|
if(sent > 0){
|
|
return 0;
|
|
}else{
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
int isBroadcastMAC(const SceNetEtherAddr * addr) {
|
|
// Broadcast MAC
|
|
if(memcmp(addr->data, "\xFF\xFF\xFF\xFF\xFF\xFF", ETHER_ADDR_LEN) == 0) return 1;
|
|
// Normal MAC
|
|
return 0;
|
|
}
|
|
|
|
int resolveIP(uint32_t ip, SceNetEtherAddr * mac) {
|
|
sockaddr_in addr;
|
|
getLocalIp(&addr);
|
|
uint32 localIp = addr.sin_addr.s_addr;
|
|
|
|
if(ip == localIp){
|
|
getLocalMac(mac);
|
|
return 0;
|
|
}
|
|
|
|
// Multithreading Lock
|
|
peerlock.lock();
|
|
|
|
// 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;
|
|
|
|
// Multithreading Unlock
|
|
peerlock.unlock();
|
|
|
|
// Return Success
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
// Multithreading Unlock
|
|
peerlock.unlock();
|
|
|
|
// Peer not found
|
|
return -1;
|
|
}
|
|
|
|
int resolveMAC(SceNetEtherAddr * mac, uint32_t * ip) {
|
|
// Get Local MAC Address
|
|
SceNetEtherAddr localMac;
|
|
getLocalMac(&localMac);
|
|
// Local MAC Requested
|
|
if(memcmp(&localMac, mac, sizeof(SceNetEtherAddr)) == 0) {
|
|
// Get Local IP Address
|
|
sockaddr_in sockAddr;
|
|
getLocalIp(&sockAddr);
|
|
*ip = sockAddr.sin_addr.s_addr;
|
|
return 0; // return succes
|
|
}
|
|
|
|
// Multithreading Lock
|
|
peerlock.lock();
|
|
|
|
// Peer Reference
|
|
SceNetAdhocctlPeerInfo * peer = friends;
|
|
|
|
// Iterate Peers
|
|
for(; peer != NULL; peer = peer->next) {
|
|
// Found Matching Peer
|
|
if(memcmp(&peer->mac_addr, mac, sizeof(SceNetEtherAddr)) == 0) {
|
|
// Copy Data
|
|
*ip = peer->ip_addr;
|
|
|
|
// Multithreading Unlock
|
|
peerlock.unlock();
|
|
|
|
// Return Success
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
// Multithreading Unlock
|
|
peerlock.unlock();
|
|
|
|
// Peer not found
|
|
return -1;
|
|
}
|
|
|
|
int validNetworkName(const SceNetAdhocctlGroupName * group_name) {
|
|
// Result
|
|
int valid = 1;
|
|
|
|
// Name given
|
|
if(group_name != NULL) {
|
|
// Iterate Name Characters
|
|
int i = 0; for(; 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 = 0;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
// 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;
|
|
}
|