SelectionHeuristic Controller::getMethod() {
if (!adaptive) {
if (currentMethod == RANDOM) {
if ((rand() & 0x1) > 0) {
return SECONDORDER;
} else {
return FIRSTORDER;
}
}
return currentMethod;
}
if (timeSinceInspection >= inspectionPeriod) {
int currentIteration = progress.size();
gettimeofday(&start, 0);
currentInspectionPhase = 1;
timeSinceInspection = 0;
beginningOfEpoch = currentIteration;
} else if (currentInspectionPhase == 1) {
int currentIteration = progress.size();
middleOfEpoch = currentIteration;
gettimeofday(&mid, 0);
rates[currentMethod] = findRate(&start, &mid, beginningOfEpoch, middleOfEpoch);
currentInspectionPhase++;
if (currentMethod == FIRSTORDER) {
currentMethod = SECONDORDER;
} else {
currentMethod = FIRSTORDER;
}
} else if (currentInspectionPhase == 2) {
int currentIteration = progress.size();
gettimeofday(&finish, 0);
rates[currentMethod] = findRate(&mid, &finish, middleOfEpoch, currentIteration);
timeSinceInspection = 0;
currentInspectionPhase = 0;
if (fabs(rates[1]) > fabs(rates[0])) {
currentMethod = SECONDORDER;
} else {
currentMethod = FIRSTORDER;
}
//printf("Rate 0: %f, Rate 1: %f, choose method: %i\n", rates[0], rates[1], currentMethod);
} else {
timeSinceInspection++;
}
return currentMethod;
}
fxStr
ModemConfig::parseATCmd(const char* cp)
{
fxStr cmd(cp);
u_int pos = 0;
while ((pos = cmd.next(pos, '<')) != cmd.length()) {
u_int epos = pos+1;
fxStr esc = cmd.token(epos, '>');
esc.lowercase();
char ecode;
if (esc == "xon")
ecode = (0x80|0xf) ;
else if (esc == "rts")
ecode = (0x80|0xe) ;
else if (esc == "none")
ecode = (0x80|0xd) ;
else if (esc == "")
ecode = '<';
else {
BaudRate br = findRate(esc);
if (br == FaxModem::BR0) {
syslog(3 , "Unknown AT escape code \"%s\"", (char*) esc);
pos = epos;
continue;
}
ecode = 0x80| ((int)( br )) ;
}
cmd.remove(pos, epos-pos);
cmd.insert(ecode, pos);
}
return (cmd);
}
static BaudRate
getRate(const char* cp)
{
BaudRate br = findRate(cp);
if (br == FaxModem::BR0) {
syslog(3 , "Unknown baud rate \"%s\", using 19200", cp);
br = FaxModem::BR19200;
}
return (br);
}