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#include "Asterisk.h"
//there is no notification that there is someone in the queue
//but there is a status message you can check periodically...
Asterisk::Asterisk()
{
udpConnection.Create();
udpConnection.Bind(5000);
udpConnection.SetNonBlocking(true);
cmd("ssh 80.93.22.22 'sudo /usr/sbin/asterisk -rx \"database put GAME passcode 1234\"'");
state=WAITING; //for acknowledge
printf("Asterisk: created socket and connected to server\n");
}
void Asterisk::startGame(){
if (state==IDLE) {
cmd("ssh 80.93.22.22 'sudo /usr/sbin/asterisk -rx \"devstate change Custom:GAME NOT_INUSE\"'");
printf("Asterisk: attempting to dequeue\n");
state=STARTING;
}
}
void Asterisk::endGame(string score){
if (state==PLAYING) {
cmd("ssh 80.93.22.22 'sudo /usr/sbin/asterisk -rx \"database put GAME statuscode "+score+"\"'");
string emsg="ssh 80.93.22.22 'sudo /usr/sbin/asterisk -rx \"hangup request "+playerCode+"\"'";
printf("%s\n",emsg.c_str());
cmd(emsg);
printf("Asterisk: hanging up %s\n",playerCode.c_str());
state=WAITING;
}
}
void Asterisk::cmd(string s) {
file = popen(s.c_str(), "re");
filenum=fileno(file);
fcntl(filenum, F_SETFL, O_NONBLOCK); //doesn't seem to work, still pauses
//pclose(file); //discard the pipe THIS IS BLOCKING
}
int Asterisk::update(){
//capture stdin response from popen
if (state==WAITING||state==STARTING) {
char buf[1000];
ssize_t r = read(filenum, buf, 1000);
//if (r == -1 && errno == EAGAIN)
//no data yet
//else
if (r > 0) {
pclose(file);
string msg=string(buf);
//received data is always a command ACKNOWLEDGEMENT
if (msg.compare("Changing GAME to NOT_INUSE")==0) {
printf("player dequeued\n");
state=PLAYING;
}
else if (msg.compare(0,5,"gameQ")==0) {
//queue status message
}
else {
printf("stdin says: %s\n",buf);
state=IDLE;
}
}
}
//check udp messages, return new keypresses
char udpMessage[10000];
udpConnection.Receive(udpMessage,10000);
string msg=udpMessage;
if(msg!=""){
printf("Asterisk: %s\n",msg.c_str());
if (msg.length()>3) {
//printf("status msg: %s\n",msg.c_str());
if (msg.substr(0,5)=="Local") {
state=PLAYING;
playerCode=msg.substr(0,msg.length()-1);
printf("Asterisk: game started: code %s\n",playerCode.c_str());
return 1000;
}
return 0;
}
else {
return ofToInt(msg);
}
}
else return 0;
}
Asterisk::~Asterisk()
{
pclose(file);
//dtor
}
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