79 lines
1.7 KiB
C++
79 lines
1.7 KiB
C++
#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_HEADER "\xFF\xFF\xFF\xFFHLSWLANSEARCH\x00"
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#define HLSW_HEADER_LEN 0x12
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#define HLSW_MASTER_PORT 7140
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HlswServer::HlswServer(Config& conf, GameList& slist)
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{
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struct sockaddr_in dst;
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char *ip;
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if ((sock = socket(PF_INET, SOCK_DGRAM, 0)) < 0) {
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LogSystem::log(LOG_CRIT, "HlswServer(): socket()");
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return;
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}
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ip = conf.getString("global", "master_ip", "0.0.0.0");
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LogSystem::log(LOG_NOTICE, "HlswServer listen on %s:%d", ip, HLSW_MASTER_PORT);
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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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if (bind(sock, (struct sockaddr *)&dst, sizeof(dst)) < 0) {
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LogSystem::log(LOG_WARNING, "HlswServer(): bind()");
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return;
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}
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out = new HlswPacket();
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}
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HlswServer::~HlswServer()
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{
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close(sock);
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}
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int HlswServer::execute(void* arg)
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{
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struct sockaddr_in src;
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unsigned char buf[32];
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socklen_t len;
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int ret;
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while (1) {
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/* auf clientanfrage warten */
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len = sizeof(src);
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ret = recvfrom(sock, buf, sizeof(buf), 0, (struct sockaddr *)&src, &len);
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if (ret != HLSW_HEADER_LEN) {
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LogSystem::log(LOG_WARNING, "HlswServer: invalid packet");
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continue;
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}
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/* testen ob es sich um ein HLSW anforderung handelt */
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if (memcmp(buf, HLSW_HEADER, HLSW_HEADER_LEN)) {
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LogSystem::log(LOG_WARNING, "HlswServer: not a hlsw packet");
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continue;
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}
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if (out != NULL && out->count > 0) {
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HlswPacket* pkt;
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for (pkt = out; pkt != NULL; pkt = pkt->next) {
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sendto(sock, pkt->data, pkt->getSize(), 0,
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(struct sockaddr *)&src, sizeof(src));
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}
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}
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}
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return 0;
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}
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