int main()
{
const char *name = "OS_HW1"; // Name of shared memory object to be passed to shm_open
int bufSize; // Bounded buffer size
int itemCnt; // Number of items to be consumed
int shm_fd; // Shared Memory File Descriptor
// Write code here to create a shared memory block and map it to gShmPtr
// Use the above name
// **Extremely Important: map the shared memory block for both reading and writing
// Use PROT_READ | PROT_WRITE
shm_fd = shm_open(name, O_RDWR , 0666);
gShmPtr = mmap(0,SHM_SIZE,PROT_READ | PROT_WRITE,MAP_SHARED,shm_fd,0);
// Write code here to read the four integers from the header of the shared memory block
// These are: bufSize, itemCnt, in, out
// Just call the functions provided below like this:
bufSize = GetBufSize();
itemCnt = GetItemCnt();
// Write code here to check that the consumer has read the right values:
printf("Consumer reading: bufSize = %d\n",bufSize);
printf("Consumer reading: itemCnt = %d\n",itemCnt);
printf("Consumer reading: in = %d\n",GetIn());
printf("Consumer reading: out = %d\n",GetOut());
// Write code here to consume all the items produced by the producer
// Use the functions provided below to get/set the values of shared variables in, out, bufSize
// Use the provided function ReadAtBufIndex() to read from the bounded buffer
// **Extremely Important: Remember to set the value of any shared variable you change locally
// Use the following print statement to report the consumption of an item:
// printf("Consuming Item %d with value %d at Index %d\n", i, val, out);
// where i is the item number, val is the item value, out is its index in the bounded buffer
int i;
for(i=0;i < GetItemCnt(); i++){
while(GetIn() == GetOut())
;
printf("Consuming Item %d with value %d at Index %d\n", i+1, ReadAtBufIndex(GetOut()), GetOut()); //i+1 to show human readable count
SetOut((GetOut()+1) % GetBufSize());
}
// remove the shared memory segment
if (shm_unlink(name) == -1) {
printf("Error removing %s\n",name);
exit(-1);
}
return 0;
}
void Producer(int bufSize, int itemCnt, int randSeed)
{
srand(randSeed);
// Write code here to produce itemCnt integer values in the range [0-100]
// Use the functions provided below to get/set the values of shared variables "in" and "out"
// Use the provided function WriteAtBufIndex() to write into the bounded buffer
// Use the provided function GetRand() to generate a random number in the specified range
// **Extremely Important: Remember to set the value of any shared variable you change locally
// Use the following print statement to report the production of an item:
// printf("Producing Item %d with value %d at Index %d\n", i, val, in);
// where i is the item number, val is the item value, in is its index in the bounded buffer
int i;
for(i=0;i < GetItemCnt(); i++){
while(((GetIn()+1) % GetBufSize())==GetOut())
;
int rando = GetRand(0,100);
WriteAtBufIndex(GetIn(),rando);
printf("Producing Item %d with value %d at Index %d\n", i+1, rando, GetIn());
SetIn((GetIn()+1) % GetBufSize());
}
printf("Producer Completed\n");
}
bool Game::Fail(){
StatusUnstable();
ExecTrials++;
if(ExecTrials >= GetConfig()->MaxExecTrials) {
Status = Failed;
GetOut()->Put(Parent, OutPrefix, " Maximum execution attempts for game exceeded.", NULL);
StatusStable();
return true;
} else {
StatusStable();
if(cleanup) return true;
Halt(5);
Start();
return false;
}
}
void flext_base::ToSysAtom(int n,const t_atom &at) const
{
outlet *o = GetOut(n);
if(LIKELY(o)) {
CRITON();
if(IsSymbol(at))
outlet_symbol((t_outlet *)o,const_cast<t_symbol *>(GetSymbol(at)));
else if(IsFloat(at))
outlet_float((t_outlet *)o,GetFloat(at));
#if FLEXT_SYS == FLEXT_SYS_MAX
else if(IsInt(at))
outlet_flint((t_outlet *)o,GetInt(at));
#endif
#if FLEXT_SYS == FLEXT_SYS_PD
else if(IsPointer(at))
outlet_pointer((t_outlet *)o,GetPointer(at));
#endif
else
error("Atom type not supported");
CRITOFF();
}
}
void Game::Control(){
pthread_mutex_lock(&controlmutex);
std::string line;
boost::smatch regex_ret;
while(clonk->ReadLine(line)){
StatusUnstable();
GetOut()->Put(Parent, OutPrefix, " ", line.c_str(), NULL);
//Scan for events
if(regex_match(line, regex_ret, rx::cm_base)){
if(!regex_ret[2].compare("hilf") || !regex_ret[2].compare("help")) {
SendMsg("Liste aller Befehle:\n----%list\n--------Listet alle verfügbaren Szenarien auf\n----%start Szenname -lobby:Sekunden -passwort:\"pw\" -liga\n--------Startet ein Szenario. Alles ab -lobby ist optional.\n----%hilf\n--------Gibt das hier aus.\n", NULL);
} else if(!regex_ret[2].compare("list")) {
StringCollector list("Folgende Szenarien koennen gestartet werden:\n", false);
const ScenarioSet * scn;
GetConfig()->LockStatus();
for(int i=0; (scn = GetConfig()->GetScen(i)); i++){
const char * name = scn->GetName(0);
if(name){
list.Push("-", false);
int i=0;
while(name) {
list.Push(name, false);
name = scn->GetName(++i);
if(name) list.Push(", ", false);
}
list.Push("\n");
}
}
GetConfig()->UnlockStatus();
SendMsg(list.GetBlock(), NULL);
} else if(!regex_ret[2].compare("start")) {
char * cmd = new char [regex_ret[4].length() + 1];
strncpy(cmd, regex_ret[4].str().data(), regex_ret[4].length() + 1); //I know, .str().data() sucks... Do it better.
char * params = strstr(cmd, " -");
ScenarioSet * scn;
if(params){
*params = 0;
scn = GetConfig()->GetScen(cmd);
*params = ' ';
} else scn = GetConfig()->GetScen(cmd);
if(scn != 0) {
scn = new ScenarioSet(*scn); //Make a Copy of it.
if(strstr(cmd, " -liga")) scn -> SetLeague(1);
else scn -> SetLeague(0);
char * pos;
if((pos = strstr(cmd, " -lobby:"))){
pos += 8;
int time = atoi(pos);
if(time > GetConfig()->LobbyTime) time = GetConfig()->LobbyTime;
if(time < 10) time = 10;
scn -> SetTime(time);
}
if((pos = strstr(cmd, " -pw:"))){
pos += 5;
char chr = ' ';
if(*pos == '"') {chr = '"'; pos++;}
char * itr = pos;
while(*itr++ != chr);
chr = *itr;
*itr = 0;
scn -> SetPW(pos);
*itr = chr; //Actually, that wouldn't be necessary. But I feel it is an itty bit more clean...
}
if(Parent -> Enqueue(scn)){ //Perhaps I should Fix() the scenario...
SendMsg("Szenario \"", scn->GetPath(), "\" wurde der Warteliste hinzugefuegt.\n", NULL);
} else {
SendMsg("Maximale Groesse der Warteliste ueberschritten.\n", NULL);
delete scn; //Retour
}
} else {
SendMsg("Szenario nicht gefunden \"", cmd, "\"\n", NULL);
}
delete [] cmd;
} else {
SendMsg("Es gibt kein Kommando: \"", regex_ret[2].str().data(), "\". Gib %hilf ein, um alle Kommandos anzuzeigen.\n", NULL);
}
} else if(Status==Lobby){
if(regex_match(line, rx::gm_gohot)) {
SendMsg("Jetzt geht es los!\n", NULL);
SendMsg("Viel Glueck und viel Spass!\n", NULL);
} else if(regex_match(line, regex_ret, rx::cl_join)){
if(!GetConfig()->GetBan(regex_ret[1].str().c_str())){
SendMsg("Hi! Viel Spass beim Spielen, ", regex_ret[1].str().data(), ".\n", NULL);
SendMsg(2, "Mehr ueber diesen Server erfaehrst du unter cserv.game-server.cc\nJeder kann bestimmen, was gehostet wird. Gib %hilf ein!\n", NULL);
}
} else if(regex_match(line, regex_ret, rx::cl_conn)){
if(const char * reason = GetConfig()->GetBan(regex_ret[1].str().c_str())){
//SendMsg("Sorry, ", regex_ret[1].str().data(), " aber du stehst auf meiner Abschussliste. (", reason, ")\n");
SendMsg("/kick ", regex_ret[1].str().data(), "\n");
}
} else if(regex_match(line, regex_ret, rx::cl_part)){
if(!GetConfig()->GetBan(regex_ret[1].str().data())) SendMsg("Boeh, ", regex_ret[1].str().data(), " ist ein Leaver.\n", NULL);
/*mysqlpp::Connection conn(false);
if (conn.connect(Login.db, Login.addr, Login.usr, Login.pw)) {
std::string querystring;
//Hier werden die einzelnen Bestandteile zusamemngesetzt
querystring = "INSERT INTO 'banned_people'(`pc-name`, `ip-address`, `cause`, `time`) VALUES ('";
querystring += regex_ret[1].str().data();
querystring += "', ";
querystring += "'255.255.255.0', "; //NOT YET IMPLENTENED!!! TODO
querystring += "'Leaving', ";
querystring += "'3')";
//Ende Bestandteile
mysqlpp::Query query1 = conn.query(querystring.c_str());
}
else {
SendMsg("Hast Glück gehabt, ", regex_ret[1].str().data(), ", der MySQL-Server ist tot.\n", NULL);
}*/
} else if(regex_match(line, rx::gm_load)){
Status=Load;
}
} else if(Status==Run) {
if(regex_match(line, regex_ret, rx::pl_die)){
SendMsg("Wie die Fliegen, wie die Fliegen. Pass das naechste mal besser auf, ", regex_ret[1].str().data(), ", du Tropf.\n.", NULL);
} else if(regex_match(line, rx::gm_tick0)){
SendMsg("/me r0kt!\n", NULL);
if(!Settings.Scen->GetLeague()) {
#ifdef NO_GAME_TIMED_MSGS
Halt(10);
#endif
SendMsg(20, "/set maxplayer 1\n", NULL);
}
}
} else if(Status==Load) {
if(regex_match(line, rx::gm_go)){
Status=Run;
}
} else if(Status==PreLobby) {
if(regex_match(line, rx::ctrl_err) || regex_match(line, rx::gm_exit)) {
StatusStable(); Fail(); pthread_mutex_unlock(&controlmutex); return;
}
if(regex_match(line, rx::gm_lobby)){
Status=Lobby;
if(!Settings.Scen->GetLeague()) SendMsg("/set maxplayer 1337\n", NULL);
}
if(regex_match(line, rx::ms_flood)) {
GetOut()->Put(Parent, OutPrefix, " Masterserver complained about too much games from this IP.", NULL);
Halt(300);
Fail();
}
}
StatusStable();
}
StatusUnstable();
delete clonk; clonk = NULL;
StatusStable();
if(Status==PreLobby) Fail();
pthread_mutex_unlock(&controlmutex);
return;
}
