/**
* Erstellet einen Socket der horcht
* @param Der jeweilige Socketdiskriptor
* @param Fehlercode
* @return Der Rückgabewert ist ein Integer und gibt den Socket Deskriptor an
*/
int openListenSocket(int lsd,int error){
int result = opensocket(SOCK_STREAM, &error);
if(result == API_ERROR){
printf("\r\nTCP Echoserver, Open socket failed %d",error);
shutDownServer(lsd,error);
}//if(result == API_ERROR)
return result;
}//openListenSocket()
/**
* Startet die erfoderlichen Sub Socketserver um weiter Clients zu verbinden
* @param Horchende Socketdeskripto, erforderlich für shitDownServer()
* @param Fehlercode
*/
void initSubServerTask(int lsd, int error){
for(int i=0;i<MAX_SERVER;i++){
int result = RTX_Create_Task(&EchoServer[i].taskID , EchoServer[i].taskdefblock);
if(result!=0){
printf("\r\nTCP Echoserver Creating task %d failed, err: %d -> exit program\r\n",i,result);
shutDownServer(lsd,error);
}//if(result!=0)
}//for(int i=0;i<MAX_SERVER;i++)
}//initSubServerTask()
/**
* main()
*/
int main()
{
int lsd = -1; //listening socketdescriptor
int asd = -1; //new socketdescriptor from accept
int port = TM_PORT_ECHO; //default port
int error = 0;
int result;
//int i;
struct sockaddr_in addr;
struct sockaddr_in claddr;
char ClientIP[17];
int taskrdy = -1;
initServer();
startDK40Task();
initSubServerTask(lsd,error);
RTX_Sleep_Time(100);
lsd = openListenSocket(lsd,error);
#ifdef TCPSERV_DEBUG
printf("\r\nTCP Echoserver: Öffnen einen Socket %d",lsd);
#endif
/**
* Setzt den horchenden Socket auf Wiederverwendbar ein
* @param lsd Den Socketdeskriptor des horchenden Sockets
* @param error Fehlercode
* @return (0) für erfolgreich, ungleich (0) für fehler
*/
result = setreuse(lsd,&error);
#ifdef TCPSERV_DEBUG
if(result == API_ERROR){
printf("\r\nTCP Echoserver: Set reuse failed %d",error);
}
#endif
addr.sin_family = PF_INET;
addr.sin_port = htons(port); //Konvertierung von Little Endian zu Big Endian
addr.sin_addr.s_addr = 0L;
result = bind(lsd,(struct sockaddr *)&addr,&error);
if(result == API_ERROR){
printf("\r\nTCP Echoserver, Bind socket failed %d",error);
shutDownServer(lsd,error);
}//(result == API_ERROR)
/*
* Endlosschleife, horcht und baut Verbindungen auf
*/
while(1)
{
/**
* listen
*/
result = listen(lsd, MAX_SERVER, &error);
if(result == API_ERROR){
printf("\r\nTCP Echoserver, listen failed %d",error);
shutDownServer(lsd,error);
}//if(result == API_ERROR)
/**
* accept , establish a connection
*/
claddr.sin_family = PF_INET;
claddr.sin_port = 0; //clear
claddr.sin_addr.s_addr = 0L; //clear
result = accept(lsd,(struct sockaddr *)&claddr,&error);
if(result == API_ERROR){
printf("\r\nTCP Echoserver, accept failed %d",error);
shutDownServer(lsd,error);
}//if(result == API_ERROR)
InetToAscii(&claddr.sin_addr.s_addr,ClientIP);
#ifdef TCPSERV_DEBUG
printf("\r\nTCP Echoserver: Connected with %s , Port %u\r\n",ClientIP,claddr.sin_port);
#endif
asd = result;
cnt_connection++;
#ifdef SERVER_SHUTDOWN_TEST
if(cnt_connection>6L){
result = closesocket(asd,&error);
if(result==API_ERROR){
printf("\r\nTCP Echoserver, socket close failed %d",error);
}
printf("\r\nTCP Echoserver: Shutdown test\r\n");
shutDownServer(lsd,error);
}//if(cnt_connection>6L)
#endif
/**
* Suche einer ruhenden Server Task
*/
taskrdy = Get_Free_Server_Task();
if(taskrdy == -1){ //no sleeping task found
#ifdef TCPSERV_DEBUG
printf("\r\nTCPserver: busy, refusing connection with %s , Port %u\r\n",ClientIP,claddr.sin_port);
#endif
closesocket(asd, &error);
}//if(taskrdy == -1)
else{
//insert the socket descriptor
EchoServer[taskrdy].sd = asd;
//and wakeup the sleeping server task
result = RTX_Wakeup(EchoServer[taskrdy].taskID);
if(result != 0){
printf("\r\nTCPserver: wakeup error\r\n");
closesocket(asd, &error);
}//if(result != 0)
else{
//a task is waked up and serves from now on this connection
}
}//elseif(taskrdy == -1) //no sleeping task found
}//while(1) //do forever
}
int main(int argc, char *argv[])
{
int portno,map_id;
pthread_t receive_connection_thread;
int receive_t;
portno=atoi(argv[1]);
char usertext[10];
system("setterm -term linux -back green -fore white -bold on -clear");
//system("gnome-terminal ");
//gotoxy(50,50);
fflush(stdout);
clrScreen();
printCenter("Max No. of Players : ");
scanf("%d",&max_players);
clrScreen();
printCenter("No. Of Automatic Commandos : ");
scanf("%d",&auto_commando_count);
clrScreen();
printCenter("No.Of Automatic ALiens : ");
scanf("%d",&auto_alien_count);
printCenter(" Choose Arena\n");
printCenter("******************\n");
printCenter("1 : Forest_War\n");
printCenter("2 : Nuke_Alien\n");
printCenter("3 : Mountain_Comm\n");
printCenter("4 : Mission_Earth\n");
printCenter("5 : Collapse_CA\n");
printCenter("Your Choice : ");
scanf("%d",&map_id);
clrScreen();
initializeGame(map_id);
serverInit(portno);
printCenter(" *********The Game Begins Now*******\n");
printCenter(" Server Established \n");
printCenter("Waiting For Incomming Connections...\n");
//timer();
//change
pthread_create(&receive_connection_thread,NULL,receiveIncomingConnections,(void *)&receive_t);
//receiveIncomingConnections();
while(1)
{
printCenter("Press x to Shutdown Server : ");
scanf("%s",usertext);
if(strcmp(usertext,"q")==0)
{
system("setterm -default");
system("clear");
printf("All Connections Terminated\n");
printf("Server ShutDown\n");
showAllData(-1);
shutDownServer();
//exit(0);
}
else
{
printCenter("Please enter x to quit :\n");
}
}
}
