void mpeServerTCP::threadedFunction()
{
while(isThreadRunning()){
if(shouldTriggerFrame){
float now = ofGetElapsedTimef();
float elapsed = (now - lastFrameTriggeredTime);
//cout << "should trigger frame!" << endl;
if(elapsed >= 1.0/framerate){
//cout << "triggered frame with framerate error of " << fabs( elapsed - 1.0/framerate) << endl;
string message = "G,"+ofToString(currentFrame);
if (newMessage){
message += currentMessage;
newMessage = false;
currentMessage = "";
}
server.sendToAll(message);
for(int i = 0; i < connections.size(); i++){
connections[i].ready = false;
}
shouldTriggerFrame = false;
lastFrameTriggeredTime = now;
currentFrame++;
}
}
else {
//check for dead clients
bool lostConnection = false;
for(int c = 0; c < numExpectedClients; c++){
if(connections[c].started && !server.isClientConnected(connections[c].tcpServerIndex)){
connections[c].started = false;
lostConnection = true;
}
}
if(allconnected && lostConnection){
ofLog(OF_LOG_NOTICE, "MPE :: Client Disconnected -- RESET");
//oops someone left
printClientStatus();
currentFrame = 0;
shouldTriggerFrame = false;
allconnected = false;
server.sendToAll("R");
}
//cout << "All clients are connected! " << endl;
for(int i = 0; i < server.getLastID(); i++){
if(!server.isClientConnected(i)){
continue;
}
string response = server.receive(i);
if(response == ""){
continue;
}
// cout << "received a response " << response << endl;
char first = response.at(0);
if(first == 'L'){
//Listener connected
listeners.push_back(i);
}
else if(first == 'S'){
//that's the start!
int clientID = ofToInt(response.substr(1,1));
if(clientID < numExpectedClients){
vector<string> info = ofSplitString(response, ",", true, true);
if(connections[clientID].started && currentFrame != 0){
//client already started, must have reset...
allconnected = false;
currentFrame = 0;
shouldTriggerFrame = false;
server.sendToAll("R");
}
connections[clientID].tcpServerIndex = i;
connections[clientID].started = true;
connections[clientID].name = info[1];
cout << "Client ID " << clientID << " with response " << response << endl;
//TODO: parse name
printClientStatus();
}
else{
ofLog(OF_LOG_ERROR, "Received Client ID " + ofToString(clientID) + " out of range");
}
}
else if(first == 'D'){
if(!allconnected){
continue;
}
vector<string> info = ofSplitString(response, ",", true, true);
if(info.size() >= 3){
int clientID = ofToInt(info[1]);
int fc = ofToInt(info[2]);
if(fc == currentFrame){
//todo validate client id
connections[clientID].ready = true;
//cout << " client " << clientID << " is ready " << endl;
}
if(info.size() > 3){
newMessage = true;
for(int i = 3; i < info.size(); i++){
currentMessage += ":" + info[i];
}
//cout << "NEW FORMAT :: MESSSAGE IS " << currentMessage << endl;
}
}
else {
ofLog(OF_LOG_ERROR, "MPE Server :: Response String " + response + " Invalid size");
}
}
}
if(!allconnected){
allconnected = true;
for(int c = 0; c < connections.size(); c++){
if(!connections[c].started){
allconnected = false;
break;
}
}
if(allconnected){
shouldTriggerFrame = true;
cout << "All clients connected!" << endl;
}
}
//All connected and going
else {
bool allready = true;
for(int c = 0; c < connections.size(); c++){
if(!connections[c].ready){
allready = false;
break;
}
}
if(allready){
shouldTriggerFrame = true;
}
}
}
ofSleepMillis(5);
}//end while
}
int main(int args, char *argv[]) {
char message[100];
MainPlayerData toPlayerData;
CandidateData toCandidateData;
StatusType status;
fd_set allSocket;
fd_set readfds;
int fdmax, k, l;
int n;
int playerIndex;
int mainPlayerSelected = 0;
int clientId;
int playerAnswer;
int level;
int numberOfClient = 0;
int yes = 1;
int readResult;
int listener;
int acceptSocket;
struct sockaddr_in server, client;
int sin_size;
int socket_in_allSocket;
int nbytes;
int i, j;
char clientName[40];
initializeClientList();
createCashPrizeList();
sin_size = sizeof(struct sockaddr_in);
FD_ZERO(&allSocket);
FD_ZERO(&readfds);
if (args < 2) {
printf("Usage : %s <PORT>\n", argv[0]);
exit(-1);
}
readResult = readQuestionFile("question.txt");
if (readResult < 0) {
printf("Can't load the questions !");
exit(-1);
}
if ((listener = socket(AF_INET, SOCK_STREAM, 0)) == -1) {
printf("socket() error!\n");
exit(-1);
}
server.sin_family = AF_INET;
server.sin_port = htons(atoi(argv[1]));
server.sin_addr.s_addr = INADDR_ANY;
bzero(&(server.sin_zero), 8);
setsockopt(listener, SOL_SOCKET, SO_REUSEADDR, &yes, sizeof(int));
if (bind(listener, (struct sockaddr*) &server, sizeof(struct sockaddr))
== -1) {
printf("bind() error!\n");
exit(-1);
}
//listen
if (listen(listener, 2) == -1) {
perror("listen");
exit(3);
}
FD_SET(listener, &allSocket);
fdmax = listener;
printf("\t<<<Gameshow GHE NONG - AI LA TRIEU PHU>>>\n");
while (1) {
readfds = allSocket;
/* On error, -1 is returned, select() and pselect() return the number of file descriptors */
if (mainPlayerSelected == 0) {
if (select(fdmax + 1, &readfds, NULL, NULL, NULL ) == -1) {
perror("select");
printf("errno = %d.\n", errno);
exit(4);
}
}
for (i = 0; i <= fdmax; i++) {
if (FD_ISSET(i, &readfds)) {
//printf("isset i=%d\n", i);
if (i == listener) {
acceptSocket = accept(listener, (struct sockaddr*) &client,
&sin_size);
printf("Listener : %d accept %d\n", listener, acceptSocket);
//in dia chi ip
printf("\n client address %s\n",
inet_ntoa(client.sin_addr));
if (acceptSocket == -1) {
perror("accept");
} else if (isClientListFull()) {
clientId = NULL_ID;
send(acceptSocket, &clientId, sizeof clientId, 0);
close(acceptSocket);
//FD_CLR(acceptSocket, &allSocket);
} else {
FD_SET(acceptSocket, &allSocket);
printf("Server connected with socket %d\n",
acceptSocket);
addClient(acceptSocket);
clientId = acceptSocket;
if (acceptSocket > fdmax) {
fdmax = acceptSocket;
//printf("Now fdmax is : %d\n", fdmax);
}
send(acceptSocket, &clientId, sizeof clientId, 0);
numberOfClient = getNumberOfClient();
printf("We're now having %d clients connected !\n",
numberOfClient);
}
} else {
// printf("i before switch = %d Fmax=%d\n", i, fdmax);
switch_case: switch (getClientStatus(i)) {
case CONNECTED:
if ((nbytes = recv(i, &toCandidateData,
sizeof toCandidateData, 0)) <= 0) {
printf(
"Server stopped connecting to client id %d\n",
i);
close(i);
removeClient(i);
printf("%d clients left !\n", getNumberOfClient());
FD_CLR(i, &allSocket);
break;
} else {
recv(i, clientName, sizeof clientName, 0);
setClientStatus(i, WAITING, clientName);
strcpy(message, "Welcome : ");
strcat(message, clientName);
strcat(message, "\n");
strcpy(toCandidateData.message, message);
toCandidateData.status = WAITING;
send(i, &toCandidateData, sizeof toCandidateData,
0);
printClientList();
/* check if have enough 6 clients, so we can start the game */
if (readyToStart()) {
printf("We can start the game !!\n");
k = randomNumber(NUMBERS_PER_QUES);
//send question to all the clients //
for (j = 0; j < BACKLOG; j++) {
setCompetition(j);
copyQuestion(&(toCandidateData.question),
questLib[0][k]);
toCandidateData.ansTime = 0;
toCandidateData.status = COMPETING;
strcpy(toCandidateData.message,
QUICK_QUESTION_MESSAGE);
send(clientInfo[j].id, &toCandidateData,
sizeof(CandidateData), 0);
}
//get the answer back from them //
for (j = 0; j < BACKLOG; j++) {
if (recv(clientInfo[j].id, &toCandidateData,
sizeof toCandidateData, 0) <= 0) {
printf(
"Server stopped connecting to client id %d\n",
i);
close(i);
removeClient(i);
printf("%d clients left !\n",
getNumberOfClient());
FD_CLR(i, &allSocket);
} else {
clientInfo[j].quick_answer =
toCandidateData.answer;
clientInfo[j].ansTime =
toCandidateData.ansTime;
}
}
//printf("Sending question done!\n");
printClientsAnswerList();
//select the main player //
playerIndex = selectMainPlayer(questLib[0][k],
BACKLOG);
printf(
"Our answer for the quick question : %d\n",
questLib[0][k].ans);
printf("====MAIN PLAYER SELECTED : %s ====\n",
clientInfo[playerIndex].clientName);
printClientStatus(clientInfo[playerIndex].id);
startGame(playerIndex);
for (j = 0; j < BACKLOG; j++) {
if (j != playerIndex) {
strcpy(toCandidateData.message,
JOINER_MESSAGE);
} else {
strcpy(toCandidateData.message,
MAIN_PLAYER_SELECTED);
strcpy(toPlayerData.name,
clientInfo[j].clientName);
}
toCandidateData.status = getClientStatus(
clientInfo[j].id);
send(clientInfo[j].id, &toCandidateData,
sizeof(CandidateData), 0);
}
printClientList();
//printf("Current i = %d\n", i);
i = clientInfo[playerIndex].id;
mainPlayerSelected = 1;
goto switch_case;
// break;
} else {
sprintf(message,
"We now have %d players online, please wait until we have more %d client(s) !\n",
getNumberOfClient(),
BACKLOG - getNumberOfClient());
strcpy(toCandidateData.message, message);
send(i, &toCandidateData,
sizeof toCandidateData, 0);
}
}
break;
case JOINING:
//printf("[JOINING] Current i = %d\n", i);
// i = 0;
// if (mainPlayerSelected == 1) {
// if ((nbytes = recv(i, &toCandidateData,
// sizeof toCandidateData, 0)) <= 0) {
// printf(
// "Server stopped connecting to client id %d\n",
// i);
// close(i);
// removeClient(i);
// printf("%d clients left !\n",
// getNumberOfClient());
// FD_CLR(i, &allSocket);
// break;
// }
// }
break;
case PLAYING:
mainPlayerSelected = 1;
initializeMainPlayerData(&toPlayerData);
level = 1;
do {
selectQuestion(level, &toPlayerData);
send(clientInfo[playerIndex].id, &toPlayerData,
sizeof toPlayerData, 0);
for (n = 0; n < BACKLOG; n++) {
if (clientInfo[n].status == JOINING) {
send(clientInfo[n].id, &toPlayerData,
sizeof toPlayerData, 0);
}
}
if (recv(i, &playerAnswer, sizeof playerAnswer, 0)
<= 0) {
printf(
"Server stopped connecting to client id %d\n",
i);
close(i);
removeClient(i);
printf("%d clients left !\n",
getNumberOfClient());
FD_CLR(i, &allSocket);
gameFinish(&toPlayerData,END);
for (n = 0; n < BACKLOG; n++) {
if (clientInfo[n].status == JOINING) {
toPlayerData.status = FINISHED;
send(clientInfo[n].id, &toPlayerData,
sizeof toPlayerData, 0);
close(clientInfo[n].id);
removeClient(clientInfo[n].id);
FD_CLR(clientInfo[n].id, &allSocket);
}
}
continue;
}
if (playerAnswer == RIGHT) {
printf("Good job! The player gave a right answer!\n");
increaseQuestion(&toPlayerData);
//tra loi dung o cau hoi so 15
if (level == MAX_LEVEL) {
wonGame(&toPlayerData);
send(i, &toPlayerData, sizeof toPlayerData,
0);
for (n = 0; n < BACKLOG; n++) {
if (clientInfo[n].status == JOINING) {
send(clientInfo[n].id,
&toPlayerData,
sizeof toPlayerData, 0);
close(clientInfo[n].id);
removeClient(clientInfo[n].id);
FD_CLR(clientInfo[n].id,
&allSocket);
}
}
close(i);
removeClient(i);
FD_CLR(i, &allSocket);
exit(1);
}
level = level + 1;
} else {
endGame(&toPlayerData, playerAnswer);
gameFinish(&toPlayerData,playerAnswer);
send(i, &toPlayerData, sizeof toPlayerData, 0);
for (n = 0; n < BACKLOG; n++) {
if (clientInfo[n].status == JOINING) {
toPlayerData.status = FINISHED;
send(clientInfo[n].id, &toPlayerData,
sizeof toPlayerData, 0);
close(clientInfo[n].id);
removeClient(clientInfo[n].id);
FD_CLR(clientInfo[n].id, &allSocket);
}
}
close(i);
removeClient(i);
printf("%d clients left !\n",
getNumberOfClient());
FD_CLR(i, &allSocket);
}
} while (playerAnswer == RIGHT && level <= MAX_LEVEL);
printf("The game of player : %s ended !\n",
toPlayerData.name);
exit(1);
break;
default:
break;
}
}
}
}
}
}
