2006-02-02 16:55:44 +01:00
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#include <unistd.h>
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#include <string.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <netinet/ip.h>
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#include <arpa/inet.h>
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#include "config.h"
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#include "logging.h"
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#include "hlswserver.h"
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#define HLSW_MASTER_PORT 7140
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2006-02-06 20:58:32 +01:00
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static const char hlsw_header[] = "\xFF\xFF\xFF\xFFHLSWLANSEARCH";
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2006-02-20 21:58:59 +01:00
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#define DEFAULT_REBUILD_INTERVAL 5
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struct hlsw_entry {
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uint16_t gameid;
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uint32_t ip;
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uint16_t port1;
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uint16_t port2;
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} __attribute__ ((packed));
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2006-02-06 20:58:32 +01:00
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HlswServer::HlswPacket::HlswPacket(HlswPacket* next)
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2006-03-05 02:28:19 +01:00
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: NetPkt(1418), next(next)
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2006-02-06 20:58:32 +01:00
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{
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2006-03-05 02:28:19 +01:00
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memcpy((void*)data, hlsw_header, sizeof(hlsw_header));
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used = sizeof(hlsw_header);
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2006-02-06 20:58:32 +01:00
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}
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HlswServer::HlswPacket::~HlswPacket()
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{
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if (next)
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delete next;
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}
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2006-02-19 18:45:56 +01:00
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bool HlswServer::HlswPacket::addGame(GameEntry* ge)
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2006-02-06 20:58:32 +01:00
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{
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2006-03-05 02:28:19 +01:00
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if (used >= 1418)
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2006-02-06 20:58:32 +01:00
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return false;
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2006-03-05 02:28:19 +01:00
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2006-02-20 21:58:59 +01:00
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struct hlsw_entry tmp;
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tmp.gameid = ge->gameid;
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tmp.ip = ge->addr.s_addr;
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tmp.port1 = ge->port1;
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tmp.port2 = ge->port2;
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2006-03-05 02:28:19 +01:00
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memcpy((void*)(data + used), &tmp, sizeof(tmp));
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used += sizeof(tmp);
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2006-02-20 21:58:59 +01:00
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return true;
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2006-02-06 20:58:32 +01:00
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}
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2006-03-05 02:28:19 +01:00
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void HlswServer::HlswPacket::send(Socket* socket, struct sockaddr_in* dst)
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2006-02-06 20:58:32 +01:00
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{
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if (next)
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next->send(socket, dst);
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2006-03-05 02:28:19 +01:00
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socket->sendto(this, dst);
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2006-02-06 20:58:32 +01:00
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}
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2006-02-02 16:55:44 +01:00
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2006-02-20 21:58:59 +01:00
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HlswServer::HlswServer(Config& conf, GameList& glist)
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: lastUpdate(0)
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2006-02-02 16:55:44 +01:00
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{
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2006-02-20 21:58:59 +01:00
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const char *ip = conf.getString("global", "master_ip", "0.0.0.0");
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2006-02-02 16:55:44 +01:00
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LogSystem::log(LOG_NOTICE, "HlswServer listen on %s:%d", ip, HLSW_MASTER_PORT);
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2006-02-20 21:58:59 +01:00
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struct sockaddr_in dst;
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2006-02-02 16:55:44 +01:00
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dst.sin_family = AF_INET;
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dst.sin_port = htons(HLSW_MASTER_PORT);
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inet_aton(ip, &dst.sin_addr);
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2006-03-05 02:28:19 +01:00
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socket = Socket::createSocket(&dst);
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2006-02-02 16:55:44 +01:00
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2006-02-20 21:58:59 +01:00
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int interval = conf.getInteger("global", "rebuild_interval", DEFAULT_REBUILD_INTERVAL);
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TimerService::registerTimer(new Timer(new RebuildEvent(*this, glist), interval));
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2006-03-05 02:28:19 +01:00
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2006-02-06 20:58:32 +01:00
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pktlist = new HlswPacket(NULL);
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2006-02-02 16:55:44 +01:00
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}
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HlswServer::~HlswServer()
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{
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2006-02-06 20:58:32 +01:00
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delete pktlist;
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2006-03-05 02:28:19 +01:00
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delete socket;
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2006-02-02 16:55:44 +01:00
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}
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int HlswServer::execute(void* arg)
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{
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while (1) {
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2006-03-05 02:28:19 +01:00
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NetPkt* pkt = socket->recv();
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if (!pkt->compare(0, hlsw_header, sizeof(hlsw_header))) {
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2006-02-05 12:00:47 +01:00
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LogSystem::log(LOG_NOTICE, "HlswServer: not a hlsw packet");
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2006-02-02 16:55:44 +01:00
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continue;
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}
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2006-02-06 20:58:32 +01:00
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mutex.lock();
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2006-03-05 02:28:19 +01:00
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pktlist->send(socket, pkt->getAddress());
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2006-02-06 20:58:32 +01:00
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mutex.unlock();
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2006-03-05 02:28:19 +01:00
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2006-02-02 16:55:44 +01:00
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}
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return 0;
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}
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2006-02-06 20:58:32 +01:00
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2006-02-20 21:58:59 +01:00
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2006-02-19 18:45:56 +01:00
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void HlswServer::rebuild(GameList& glist) {
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2006-02-20 21:58:59 +01:00
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if (glist.getLastUpdate() > lastUpdate) {
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HlswPacket* newlist = new HlswPacket(NULL);
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2006-03-05 02:28:19 +01:00
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2006-02-20 21:58:59 +01:00
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Iterator<GameEntry>* it = glist.createIterator();
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while (it->hasNext()) {
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GameEntry* d = it->next();
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if (!newlist->addGame(d)) {
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newlist = new HlswPacket(newlist);
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newlist->addGame(d);
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}
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2006-02-06 20:58:32 +01:00
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}
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2006-02-20 21:58:59 +01:00
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lastUpdate = glist.getLastUpdate();
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delete it;
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2006-03-05 02:28:19 +01:00
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2006-02-20 21:58:59 +01:00
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mutex.lock();
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HlswPacket* oldlist = pktlist;
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pktlist = newlist;
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mutex.unlock();
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2006-03-05 02:28:19 +01:00
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2006-02-20 21:58:59 +01:00
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delete oldlist;
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}
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2006-02-19 18:45:56 +01:00
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}
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