1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
|
#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;
}
Asterisk::~Asterisk()
{
stopThread();
pclose(file);
}
/*
Use a thread to track status with a blocking popen()
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)
*/
void Asterisk::threadedFunction(){
while( isThreadRunning() != 0 ){
FILE *f = popen("ssh 80.93.22.22 'sudo /usr/sbin/asterisk -rx \"queue show gameQ\"'", "re");
int fn=fileno(f);
char buf[1000];
ssize_t r = read(fn, buf, 1000);
pclose(f);
string msg=string(buf);
//received data is always a command ACKNOWLEDGEMENT
if (msg.compare(0,5,"gameQ")==0) {
vector<std::string> lines;
split(msg,'\n',lines);
queued=0;
for (int i=4;i<lines.size();i++) {
if (lines[i].compare(0,6," ")==0&&lines[i].compare(7,1,".")==0) queued++;
}
}
else {
printf("status err: %s\n",buf);
}
ofSleepMillis(statusPollMillis);
}
}
void Asterisk::setup(string passcode,int millis){
udpConnection.Create();
udpConnection.Bind(5000);
udpConnection.SetNonBlocking(true);
cmd("ssh 80.93.22.22 'sudo /usr/sbin/asterisk -rx \"database put GAME passcode "+passcode+"\"'");
state=WAITING; //for acknowledge
isPlaying=false;
statusPollMillis=millis;
if (statusPollMillis>0) startThread(true, false); // blocking, verbose
}
void Asterisk::startGame(){
if (!isPlaying&&queued) {
cmd("ssh 80.93.22.22 'sudo /usr/sbin/asterisk -rx \"devstate change Custom:GAME NOT_INUSE\"'");
printf("Asterisk: attempting to dequeue\n");
state=WAITING;
}
}
void Asterisk::endGame(string score){
printf("Asterisk: request hangup %s\n",playerCode.c_str());
if (isPlaying) {
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+"\"'";
cmd(emsg);
printf("Asterisk: hanging up %s\n",playerCode.c_str());
state=WAITING;
isPlaying=false;
}
}
void Asterisk::cmd(string s) {
//non blocking command for anync messages
file = popen(s.c_str(), "re");
filenum=fileno(file);
fcntl(filenum, F_SETFL, O_NONBLOCK);
}
int Asterisk::update(){
//capture stdin response from popen
if (state==WAITING||state==STARTING) {
char buf[100];
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);
state=IDLE;
//received data is always a command ACKNOWLEDGEMENT
//can never issue a new one until last one returns?
if (msg.compare(0,8,"Changing")==0) {
printf("player dequeued\n");
state==PLAYING;
isPlaying=true;
}
else {
printf("stdin says: %s\n",buf);
}
}
}
//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;
}
|
