/**
* \brief execute a subcommand
*/
void guiderportcommand::operator()(const std::string& /* commandname */,
const std::vector<std::string>& arguments) {
debug(LOG_DEBUG, DEBUG_LOG, 0, "guiderport command");
if (arguments.size() < 2) {
throw command_error("guiderport command requires 2 arguments");
}
std::string guiderportid = arguments[0];
std::string subcommandname = arguments[1];
if (subcommandname == "activate") {
activate(guiderportid, arguments);
return;
}
if (subcommandname == "release") {
release(guiderportid, arguments);
return;
}
if (subcommandname == "assign") {
assign(guiderportid, arguments);
return;
}
throw command_error("guiderport subcommand not known");
}
void filterwheelcommand::operator()(const std::string& /* commandname */,
const std::vector<std::string>& arguments) {
if (arguments.size() < 2) {
throw command_error("filterwheel command requires 2 arguments");
}
std::string filterwheelid = arguments[0];
std::string subcommandname = arguments[1];
debug(LOG_DEBUG, DEBUG_LOG, 0,
"filterwheel command for FW %s, subcommand %s",
filterwheelid.c_str(), subcommandname.c_str());
if (subcommandname == "release") {
release(filterwheelid, arguments);
return;
}
if (subcommandname == "assign") {
assign(filterwheelid, arguments);
return;
}
Filterwheels filterwheels;
FilterwheelWrapper filterwheel
= filterwheels.byname(filterwheelid);
if (subcommandname == "info") {
info(filterwheel, arguments);
return;
}
if (subcommandname == "position") {
position(filterwheel, arguments);
return;
}
if (subcommandname == "wait") {
wait(filterwheel, arguments);
return;
}
throw command_error("unknown command");
}
/**
* \brief start command
*
* This command initiates a calibration or guiding process. The command
* takes an optional argument for the focallength or the gain
*/
void guidercommand::start(GuiderWrapper& guider,
const std::vector<std::string>& arguments) {
if (arguments.size() < 3) {
throw command_error("start command requires 2 arguments");
}
std::string what = arguments[2];
if (what == "calibration") {
float focallength = 0.600;
if (arguments.size() >= 4) {
focallength = stod(arguments[3]);
debug(LOG_DEBUG, DEBUG_LOG, 0, "using focal length %f",
focallength);
}
guider->startCalibration(focallength);
return;
}
if (what == "guiding") {
if (guider->getState() == Astro::Guider::GUIDER_GUIDING) {
std::cout << "already guiding, ignored" << std::endl;
return;
}
double interval = 10;
if (arguments.size() >= 4) {
interval = stod(arguments[3]);
}
interval = std::max(1., interval);
guider->startGuiding(interval);
return;
}
}
/**
* \brief calibration command
*
* This command can be used to force a calibration, without actually going
* through the calibration process on the server side. This allows to
* reuse calibration settings when the next guide process is based on a
* guide star close to the one previously used.
*/
void guidercommand::calibration(GuiderWrapper& guider,
const std::vector<std::string>& arguments) {
if (arguments.size() < 3) {
throw command_error("calibration command requires an argument");
}
long cal = stod(arguments[2]);
guider->useCalibration(cal);
}
/**
* \brief Set exposure time command
*
* This command allows to change the exposure time
*/
void guidercommand::exposuretime(GuiderWrapper& guider,
const std::vector<std::string>& arguments) {
if (arguments.size() < 3) {
throw command_error("exposure time missing");
}
Astro::Exposure exposure = guider->getExposure();
exposure.exposuretime = stof(arguments[2]);
guider->setExposure(exposure);
}
void sleepcommand::operator()(const std::string& /* commandname */,
const std::vector<std::string>& arguments) {
if (arguments.size() < 1) {
throw command_error("sleep command requires time argument");
}
std::string timestring = arguments[0];
useconds_t sleeptime = 1000000 * stof(timestring);
usleep(sleeptime);
}
void filterwheelcommand::assign(const std::string& filterwheelid,
const std::vector<std::string>& arguments) {
debug(LOG_DEBUG, DEBUG_LOG, 0, "assign %s", filterwheelid.c_str());
try {
Filterwheels filterwheels;
filterwheels.assign(filterwheelid, arguments);
} catch (std::exception& x) {
throw command_error(x.what());
}
}
/**
* \brief star command
*
* This command sets the star point. The star point is used as a reference
* during calibration, the calibration computes offsets from this point.
* The guiding process then guides the telescope in such a way that the
* guide star is at this position as precisely as possible.
*/
void guidercommand::star(GuiderWrapper& guider,
const std::vector<std::string>& arguments) {
if (arguments.size() < 4) {
throw command_error("star coordinates missing");
}
Astro::Point point;
point.x = stoi(arguments[2]);
point.y = stoi(arguments[3]);
guider->setStar(point);
}
/**
* \brief size command
*
* This command sets the size of the rectangle to track the guide star
*/
void guidercommand::size(GuiderWrapper& guider,
const std::vector<std::string>& arguments) {
if (arguments.size() < 4) {
throw command_error("viewport window missing");
}
Astro::Exposure exposure = guider->getExposure();
exposure.frame.size.width = stoi(arguments[2]);
exposure.frame.size.height = stoi(arguments[3]);
guider->setExposure(exposure);
}
/**
* \brief Binning command
*
* This command allows to change the binning mode of the guiding exposure.
* This is only reasonable if the guide camera has rather small pixels.
*/
void guidercommand::binning(GuiderWrapper& guider,
const std::vector<std::string>& arguments) {
if (arguments.size() < 4) {
throw command_error("binning mode missing");
}
Astro::Exposure exposure = guider->getExposure();
exposure.mode.x = stoi(arguments[2]);
exposure.mode.y = stoi(arguments[3]);
guider->setExposure(exposure);
}
command_fn find_command_fn (const string& cmd) {
// Note: value_type is pair<const key_type, mapped_type>
// So: iterator->first is key_type (string)
// So: iterator->second is mapped_type (command_fn)
const auto result = cmd_hash.find (cmd);
if (result == cmd_hash.end()) {
throw command_error (cmd + ": no such function");
}
return result->second;
}
void on_message(connection_ptr connection,websocketpp::message::data_ptr msg) {
typename std::set<connection_ptr>::iterator it;
wscmd::cmd command = wscmd::parse(msg->get_payload());
if (command.command == "close") {
handle_close(connection,command);
} else {
command_error(connection,"Invalid Command");
}
}
void fn_cat (inode_state& state, const wordvec& words){
DEBUGF ('c', state);
DEBUGF ('c', words);
string filename = *(words.end()-1);
inode_ptr ogcwd = state.getCwd();
inode_ptr res = resolvePath(words[1], state.getCwd());
if (res == nullptr){
throw command_error ("cat: " + filename + ": file does not exist");
return; }
if (res->isDirectory()) return; //error here
cout << res->getContents()->readfile() << endl;
}
static void help() {
int i;
char *tok = strtok(NULL, DELIMS);
if (tok != NULL) {
Command *c = find_command(tok);
if (c != NULL)
printf("%s\n", c->help);
else
command_error(tok);
return;
}
for (i = 0; commands[i].name != NULL; ++i)
printf("%s: %s\n", commands[i].name, commands[i].help);
}
void guiderfactorycommand::operator()(const std::string& /* command */,
const std::vector<std::string>& arguments) {
if (arguments.size() < 2) {
throw command_error("guiderfactory command requires more "
"arguments");
}
std::string guiderid = arguments[0];
std::string subcommand = arguments[1];
debug(LOG_DEBUG, DEBUG_LOG, 0, "guiderid: %s", guiderid.c_str());
if (subcommand == "release") {
release(guiderid, arguments);
return;
}
if (subcommand == "assign") {
assign(guiderid, arguments);
return;
}
}
/**
* \brief wait command
*
* This command waits for the completion of the calibration process on the
* server. It does not use the waitCalibration method, because this would
* block a thread on the server side.
*/
void guidercommand::wait(GuiderWrapper& guider,
const std::vector<std::string>& arguments) {
if (arguments.size() < 3) {
throw command_error("stop command requires 2 arguments");
}
std::string what = arguments[2];
double timeout = 60;
if (arguments.size() >= 4) {
timeout = stod(arguments[3]);
}
double timeouttime = astro::Timer::gettime() + timeout;
if (what == "calibration") {
while ((guider->getState() == Astro::Guider::GUIDER_CALIBRATING)
&& (astro::Timer::gettime() < timeouttime)) {
usleep(1000000);
}
switch (guider->getState()) {
case Astro::Guider::GUIDER_CALIBRATED:
std::cout << "calibration complete" << std::endl;
break;
default:
std::cout << "calibration failed" << std::endl;
break;
}
return;
}
if (what == "guiding") {
while ((guider->getState() == Astro::Guider::GUIDER_GUIDING)
&& (astro::Timer::gettime() < timeouttime)) {
usleep(1000000);
}
if (guider->getState() == Astro::Guider::GUIDER_GUIDING) {
std::cout << "still guiding" << std::endl;
}
return;
}
}
/**
* \brief stop command
*
* The stop command can be used to stop a calibraiton or guiding process.
*/
void guidercommand::stop(GuiderWrapper& guider,
const std::vector<std::string>& arguments) {
if (arguments.size() < 3) {
throw command_error("start command requires 2 arguments");
}
std::string what = arguments[2];
if (what == "calibration") {
if (guider->getState() != Astro::Guider::GUIDER_CALIBRATING) {
std::cout << "not currently calibrating" << std::endl;
return;
}
guider->cancelCalibration();
return;
}
if (what == "guiding") {
if (guider->getState() != Astro::Guider::GUIDER_GUIDING) {
std::cout << "not currently guiding" << std::endl;
return;
}
guider->stopGuiding();
return;
}
}
int
_start (int a1, int a2)
{
char buf[100];
for (;;) {
printf ("sendexample> ");
lineinput (buf, 100);
switch (buf[0]) {
case 'h':
print_help (buf);
break;
case 's':
sendex (buf);
break;
case 'q':
exitprocess (0);
break;
default:
command_error ();
break;
}
}
}
/**
* \brief Main command interpreter function
*
* This operator analyzes the command arguments and calls the appropriate
* subcommand method.
*/
void guidercommand::operator()(const std::string& /* command */,
const std::vector<std::string>& arguments) {
if (arguments.size() < 2) {
throw command_error("guider command requires more "
"arguments");
}
std::string guiderid = arguments[0];
std::string subcommand = arguments[1];
debug(LOG_DEBUG, DEBUG_LOG, 0, "guiderid: %s", guiderid.c_str());
Guiders guiders;
GuiderWrapper guider = guiders.byname(guiderid);
if (subcommand == "info") {
info(guider, arguments);
return;
}
if (subcommand == "exposure") {
exposure(guider, arguments);
return;
}
if (subcommand == "exposuretime") {
exposuretime(guider, arguments);
return;
}
if (subcommand == "binning") {
binning(guider, arguments);
return;
}
if (subcommand == "size") {
size(guider, arguments);
return;
}
if (subcommand == "offset") {
offset(guider, arguments);
return;
}
if (subcommand == "star") {
star(guider, arguments);
return;
}
if (subcommand == "calibration") {
calibration(guider, arguments);
return;
}
if (subcommand == "start") {
start(guider, arguments);
return;
}
if (subcommand == "stop") {
stop(guider, arguments);
return;
}
if (subcommand == "wait") {
wait(guider, arguments);
return;
}
if (subcommand == "image") {
image(guider, arguments);
return;
}
}
/* Read and execute commands until EOF is reached. This assumes that
the input source has already been initialized. */
int
reader_loop ()
{
//printf("reader_loop ------> Start\n");
int our_indirection_level;
COMMAND * volatile current_command;
USE_VAR(current_command);
current_command = (COMMAND *)NULL;
our_indirection_level = ++indirection_level;
while (EOF_Reached == 0)
{
//printf("EOF_Reached == 0 =======> Start\n");
int code;
code = setjmp_nosigs (top_level);
#if defined (PROCESS_SUBSTITUTION)
unlink_fifo_list ();
#endif /* PROCESS_SUBSTITUTION */
/* XXX - why do we set this every time through the loop? */
if (interactive_shell && signal_is_ignored (SIGINT) == 0)
{
//printf("if (interactive_shell && signal_is_ignored (SIGINT) == 0)\n");
set_signal_handler (SIGINT, sigint_sighandler);
}
if (code != NOT_JUMPED)
{
//printf("if (code != NOT_JUMPED)\n");
indirection_level = our_indirection_level;
switch (code)
{
/* Some kind of throw to top_level has occurred. */
case FORCE_EOF:
case ERREXIT:
case EXITPROG:
//printf("case EXITPROG:\n");
current_command = (COMMAND *)NULL;
if (exit_immediately_on_error)
{
//printf("if (exit_immediately_on_error)\n");
variable_context = 0; /* not in a function */
}
EOF_Reached = EOF;
goto exec_done;
case DISCARD:
//printf("case DISCARD:\n");
/* Make sure the exit status is reset to a non-zero value, but
leave existing non-zero values (e.g., > 128 on signal)
alone. */
if (last_command_exit_value == 0)
{
//printf("if (last_command_exit_value == 0)\n");
last_command_exit_value = EXECUTION_FAILURE;
}
if (subshell_environment)
{
//printf("if (subshell_environment)\n");
current_command = (COMMAND *)NULL;
EOF_Reached = EOF;
goto exec_done;
}
/* Obstack free command elements, etc. */
if (current_command)
{
//printf("if (current_command)\n");
dispose_command (current_command);
current_command = (COMMAND *)NULL;
}
#if defined (HAVE_POSIX_SIGNALS)
sigprocmask (SIG_SETMASK, &top_level_mask, (sigset_t *)NULL);
#endif
break;
default:
command_error ("reader_loop", CMDERR_BADJUMP, code, 0);
}
}
executing = 0;
if (temporary_env)
{
//printf("if (temporary_env)\n");
dispose_used_env_vars ();
}
#if (defined (ultrix) && defined (mips)) || defined (C_ALLOCA)
/* Attempt to reclaim memory allocated with alloca (). */
(void) alloca (0);
#endif
if (read_command () == 0)
{
//printf("read_command () == 0\n");
if (interactive_shell == 0 && read_but_dont_execute)
{
//printf("if (interactive_shell == 0 && read_but_dont_execute)");
last_command_exit_value = EXECUTION_SUCCESS;
dispose_command (global_command);
global_command = (COMMAND *)NULL;
}
else if (current_command = global_command)
{
//printf("else if (current_command:%d = global_command:%d)\n",current_command, global_command);
global_command = (COMMAND *)NULL;
current_command_number++;
executing = 1;
stdin_redir = 0;
execute_command (current_command);
exec_done:
QUIT;
if (current_command)
{
//printf("if (current_command)\n");
dispose_command (current_command);
current_command = (COMMAND *)NULL;
}
}
}
else
{
/* Parse error, maybe discard rest of stream if not interactive. */
if (interactive == 0)
{
//printf("if (interactive == 0)\n");
EOF_Reached = EOF;
}
}
if (just_one_command)
{
//printf("just_one_command\n");
EOF_Reached = EOF;
}
//printf("EOF_Reached == 0 =======> Exit\n");
}
indirection_level--;
//printf("reader_loop ------> Exit\n");
return (last_command_exit_value);
}