void internsymbol(node s, scope v){
assertpos(issym(s),s);
push(complete_symbol_list,s);
if (s->body.symbol.flags & intern_F) {
errorpos(s,"symbol defined again ... ");
return;
}
s->body.symbol.flags |= intern_F;
if (v != NULL) reinternsymbol(s,v);
/* if ( 0 == strcmp("x",tostring(s)) ) trap(); */
if (s->body.symbol.type!=keyword_T) {
char *Cname;
assertpos(issym(s),s);
if (s->body.symbol.flags & literal_F) {
Cname = tostring(s); /* no totoken here? */
if (!(s->body.symbol.flags & nouniquify_F))
Cname = uniquify(Cname);
}
else {
Cname = totoken(tostring(s));
if (s->body.symbol.flags & (export_F | import_F))
Cname = prefixify(s->body.symbol.package,Cname);
if (!(s->body.symbol.flags & nouniquify_F))
Cname = uniquify(Cname);
else if (s->body.symbol.name->body.unique_string.seqno == 0)
s->body.symbol.name->body.unique_string.seqno++;
}
s->body.symbol.Cname = Cname;
}
if (s->body.symbol.flags & (export_F|import_F)) exportit(s,v);
}
int main(){
//if( argc != 2)
// { cout << "requires localport" << endl; return(-1); }
//int localport = atoi(argv[1]);
int localport = 1234;
cout << "Hello!" << endl;
dataholder players("playerlist.txt");
dataholder highs("highscores.txt");
string gamemap[15];
getmap(gamemap);
cout << "Current map:\n";
for(int i = 0; i < 15; i++)
cout << gamemap[i] << endl;
cout << "\n\n";
int mainsocket = socket(AF_INET, SOCK_DGRAM, 0);
if (mainsocket < 0){
perror("socket creation");
exit(1);
}
sockaddr_in localinfo;
//localinfo.sin_len = sizeof(localinfo);
localinfo.sin_family = AF_INET;
localinfo.sin_addr.s_addr = htonl(INADDR_ANY);
localinfo.sin_port = htons(localport);
int r = bind(mainsocket, (sockaddr *) &localinfo, sizeof(localinfo));
if (r<0){
perror("bind");
exit(1);
}
printf("ready\n");
cout << "running on port " << localport << endl;
char buffer[20000];
int tokcount;
string tok1;
string tok2;
string tok3;
string tok4;
string tosend;
string strbuff;
int a;
string findret;
while(true){
tosend.clear();
tokcount = 1;
//struct sockadder_in incoming_info;
//unsigned int socklen = sizeof(incoming);
struct sockaddr_in incoming;
unsigned int socklen = sizeof(incoming);
r = recvfrom( mainsocket, &buffer, sizeof(buffer)-1, 0,
(sockaddr *) &incoming, &socklen);
printf("from %s port %d, %d characters: %s\n",
inet_ntoa(incoming.sin_addr),
ntohs(incoming.sin_port),
r, buffer);
buffer[r] = 0;
cout << "Received: " << buffer << endl;
if( r<0 ){
perror("recvfrom");
exit(1); }
buffer[r] = 0;
strbuff = buffer;
// change to loop when adding data structures
a = totoken(strbuff,tok1);
if (a >= 0){
tokcount++;
a = totoken(strbuff,tok2);
if (a >= 0){
tokcount++;
a = totoken(strbuff,tok3);
if( a >= 0){
tokcount++;
a = totoken(strbuff,tok4);
if( a >=0)
tokcount++; } } }
cout << "tokcount-> " << tokcount << endl;
if (tokcount == 2){ // FINP, DELP, FINM, FINH, WINNER
cout << "tok1: " << tok1 << " tok2: " << tok2 << endl;
string comp = "WIN";
if(tok1 == "WINNER" || tok1 == "WIN" || tok1 == comp)
cout << "They are the same\n";
if( tok1 == "FINP" ){
a = players.find(tok2,findret);
if( a == -1)
tosend = "could not find";
else{
tosend = "PLR:";
tosend += findret;
}
}
else if(tok1 == "WINNER" || tok1 == "WIN" || tok1 == comp){
r = recvfrom( mainsocket, &buffer, sizeof(buffer)-1, 0,
(sockaddr *) &incoming, &socklen);
buffer[r] = 0;
cout << "ABOUT TO ADD: " << buffer << " TO HIGHSCORES\n";
highs.highadd(buffer);
cout << "Added " << buffer << " to highscores\n";
tosend = "good";
}
else if (tok1 == "DELP"){
a = players.find(tok2,findret);
if( a == -1)
tosend = "ERR:invalid gamertag";
else{
players.take(a-1,a+3);
tosend = "good\n";}
}
else if (tok1 == "FINM"){
tosend = "good";
}
else if( tok1 == "FINH"){
a = highs.find(tok2,findret);
if( a == -1)
tosend = "cound not find";
else{
tosend = "SCO:";
tosend += findret;
}
}
else { tosend = "ERR: invalid first token"; }
}
else if (tokcount == 3){// ADDM
cout << "tok1: " << tok1 << " tok2: " << tok2 << " tok3: " << tok3<< endl;
if( tok1 == "ADDM"){
tosend = "good";
}
else
tosend = "ERR: invalid first token";
}
else if (tokcount == 4){// ADDH, ADDP, U
cout << "tok1: " << tok1 << " tok2: " << tok2 << " tok3: " << tok3 << " tok4: " << tok4 << endl;
if(tok1 == "U"){
players.find(tok2, findret);
tosend += tok2;
tosend += ':';
tosend += tok3;
tosend += ':';
tosend += tok4;
cout << "Comparing tosend and findret\n";
cout << "Tosend: " << tosend << " findret: " << findret << endl;
if(tosend == findret)
tosend = '1';
else tosend = '0';
}
else if (tok1 == "ADDP"){
a = players.find(tok3,findret);
if(a == -1){
players.add(4,tok2,tok3,tok4);
tosend = "good";
}
else tosend = "ERR:gamertag taken";
}
else if( tok1 == "ADDH"){
tosend = "good";
}
}
else {
if (tok1 == "off") tosend = "off";
else if (tok1 == "save"){
players.writeout(); //finish later
highs.writeout();
}
else if (tok1 == "MAP"){
for( int i = 0; i < 15; i++){
tosend += gamemap[i];
tosend += '!';
}
}
else tosend = "ERR: invalid message structure";}
cout << "---REPONSE---\n" << tosend << endl << endl;
r = sendto(mainsocket, tosend.c_str(), strlen(tosend.c_str()), 0,
(sockaddr *) &incoming, sizeof(incoming));
if (r<0){
perror("sendto");
exit(1); }
if( tok1 == "off" ) break;
}
return 0;
}
