static unsigned int sample(
unsigned int hooknum,
struct sk_buff * skb,
const struct net_device *in,
const struct net_device *out,
int (*okfn) (struct sk_buff *))
{
__be32 sip;
/*
((unsigned char *)&server)[0] = 192;
((unsigned char *)&server)[1] = 168;
((unsigned char *)&server)[2] = 22;
((unsigned char *)&server)[3] = 21;
*/
if(skb && pid!=0)
{
struct iphdr *iph;
struct sk_buff *sb = NULL;
sb = skb;
iph = ip_hdr(sb);
sip = iph->saddr;
if(((unsigned char *)&sip)[0] == 10 && iph->protocol != 0x11)
{
sendMSG(sip);
}
}
return NF_ACCEPT;
}
/************************************************************
// Function Name: main
// Parameters: int argc, char *argv[]
// Description: Gets handle and sets up connection to server,
// runs chat until timeout or user types "quit".
************************************************************/
int main(int argc, char *argv[])
{
int sockfd, portno, quit;
struct sockaddr_in serv_addr;
struct hostent *server;
char handle[256];
//checks if arguments match up
if (argc < 3) {
fprintf(stderr,"usage %s error requires 3 arguments\n", argv[0]);
exit(0);
}
printf("What is your handle?\n");
fgets(handle,sizeof(handle),stdin);
handle[ strlen ( handle ) - 1 ] = '\0';
//get reference for socket using port number from argument
portno = atoi(argv[2]);
sockfd = socket(AF_INET, SOCK_STREAM, 0);
if (sockfd < 0)
error("ERROR opening socket");
//checks if servername is valid
server = gethostbyname(argv[1]);
if (server == NULL) {
fprintf(stderr,"ERROR, no such host\n");
exit(0);
}
//zeros out struct and fills it in
bzero((char *) &serv_addr, sizeof(serv_addr));
serv_addr.sin_family = AF_INET;
bcopy((char *)server->h_addr,
(char *)&serv_addr.sin_addr.s_addr,
server->h_length);
serv_addr.sin_port = htons(portno);
//connecting to socket
if (connect(sockfd,&serv_addr,sizeof(serv_addr)) < 0)
error("ERROR connecting");
printf("Now connected\n");
printf("Please enter the message: please type \"quit\" to exit chat.\n");
quit = 0;
while(quit != 1)
{
quit = sendMSG(sockfd,handle);
if(quit != 1)
quit = recvMSG(sockfd);
}
printf("Connection closed\n");
close(sockfd);
return 0;
}
void MyServerThread::run()
{
//std::cout<<"hi"<<std::endl;
/*for(int i=0;i<16;i++)
{
matrix[i]=(float)i+1;
std::cerr<<"matrix:" << matrix[i] << std::endl;
}*/
memcpy(buf,matrix,sizeof(float)*16);
sendMSG();
}
/* ----------------------------------------------------------------------------
* @brief отправляем сообщение SET length=10 msg size = 9
*/
TEST(fifo, sendSETL10MSG9) /* NEED RUN SERVER */
{
printf("sendSETL10MSG9() ... \n");
int ans = 0;
int exec = 1;
int sock;
unsigned char msg[10] = "AAAAAAAAA";
unsigned char *buf;
int bufSize = 0;
int msgSize = 9;
int length = 10;
ans = sendMSG(msg, msgSize, length);
TEST_ASSERT_EQUAL(-100, ans);
}
void* loginThreadHandler (void* port)
{
int loginPort = (*((int*)port));
pthread_t clientthread [MAX_PLAYERS];
struct sockaddr_in serverAddr;
int listensocket , tcpsocket;
tcpsocket = socket(AF_INET,SOCK_STREAM,0);
serverAddr.sin_family = AF_INET;
serverAddr.sin_port = htons(loginPort);
serverAddr.sin_addr.s_addr = INADDR_ANY;
//Bind
if( bind(tcpsocket,(struct sockaddr *)&serverAddr , sizeof(struct serverAddr)) < 0)
{
//print the error message
perror("[server]bind failed. error\n");
close(tcpsocket);
return 1;
}
puts("[server]bind successfull");
//Listen
if( listen( tcpsocket, 3 ) < 0 )
{
errorPrint("[server]listen error ");
close(tcpsocket);
return -1;
}
puts("[server]listening ,waiting for incoming connections...\n");
listensocket = accept(loginPort,NULL ,NULL);
printf ("[login] listensocket: %d \n",listensocket);
if (listensocket == -1)
{
printf ("[login]listensocket shitti , try new port.\n");
exit(0);
}
initialisePlayers(); // Setzt alle Sockets auf -1
//Warte bis vier Spieler verbunden. Vorher hörst du den Clients zu, guckst erstens ob der Startgame definitiv vom Leiter kommt
//und ob auch vier Spieler (clientCount?) eingeloggt sind!
//Dann könnts los gehen. Wenn startgame nachricht an nicht leiter geht, virtuel den Startbutton bei den dreien klicken (optional)
//====================================Los geht's, warten wir auf verbindungsfreudige Clienten==================================
while (1)
{
printf ("[login] ready to connect\n");
int sendsocket = acceptConnection (listensocket);
printf ("[login] Sendsocket %d \n",sendsocket);
printf ("[login] Waiting for message from client \n");
MESSAGE lrqMsg;
MTYPE type = 0;
type = recvMSG (sendsocket, &lrqMsg);
if (type == MTYPE_LRQ)
{
if (1)
{
printf("ok alles klar soweit");
}
else
{
MESSAGE errMsg = createERR (ERR_SUBTYPE_FATAL,"***[login] Ungültige RFC Version! ( !=8)***\n");
sendMSG (sendsocket,&errMsg);
close (sendsocket);
}
}
else
{
MESSAGE errMsg;
if (getID () == -1)
{
errMsg = createERR (ERR_SUBTYPE_FATAL,"***[login] Server voll!***\n");
}
sendMSG (sendsocket,&errMsg);
close (sendsocket);
}
}
return NULL;
}
