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path: root/ofAsterisk/src/Asterisk.cpp
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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...

std::vector<std::string> &split(const std::string &s, char delim, std::vector<std::string> &elems) {
    std::stringstream ss(s);
    std::string item;
    while(std::getline(ss, item, delim)) {
        elems.push_back(item);
    }
    return elems;
}

std::vector<std::string> split(const std::string &s, char delim) {
    std::vector<std::string> elems;
    return split(s, delim, elems);
}

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");
	
	string test=string("gameQ has 1 calls (max unlimited) in 'rrmemory' strategy (8s holdtime, 50s talktime), W:0, C:38, A:26, SL:36.8% within 0s\
   Members: \
      Game AGI (Local/9999@default) with penalty 1 (In use) has taken 31 calls (last was 5333 secs ago)\
   Callers: \
      1. SIP/sip_proxy-00000045 (wait: 0:06, prio: 0)");
	vector<std::string> lines=split(test,'\n');
	for (int i=0;i<test.size();i++) {
		string s=ofToString(i)+": '"+lines[i]+"'\n";
		printf(s.c_str());
	}
}

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); 
}

/*
gameQ has 1 calls (max unlimited) in 'rrmemory' strategy (8s holdtime, 50s talktime), W:0, C:38, A:26, SL:36.8% within 0s
   Members: 
      Game AGI (Local/9999@default) with penalty 1 (In use) has taken 31 calls (last was 5333 secs ago)
   Callers: 
      1. SIP/sip_proxy-00000045 (wait: 0:06, prio: 0)
*/


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);
			vector<std::string> lines=split(msg,'\n');
			//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
}